Low-voltage distribution box convenient to maintain

Abstract

The utility model provides a low-voltage distribution box convenient to maintain, belongs to the technical field of distribution boxes, and aims to solve the problems that internal electronic elements need to be overhauled and maintained after a box door is opened in the overhaul and maintenance process of the conventional low-voltage distribution box, and the box door is easy to close when the opened box door is pushed by external force, so that the maintenance is inconvenient. The low-voltage distribution box comprises a box door which is hinged to the outer side of a box body through a hinge; the dustproof separation net is fixedly connected to the outer side of the box body through screws; the cooling fan is fixedly mounted on the inner side of the box body through bolts; the number of the first fixing blocks is two, and the two first fixing blocks are both welded to the inner side of the box body. The number of the second fixing blocks is two, and the two second fixing blocks are both welded to the inner side of the box door. According to the utility model, the limiting of the box door is realized, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of distribution boxes, and more specifically, particularly relates to a low-voltage distribution box which is easy to maintain. Background Art

[0002] A low-voltage distribution box is an electrical device used to distribute, control and protect electrical energy. It is usually installed at the end of the distribution system and is responsible for distributing electrical energy to various electrical equipment. A low-voltage distribution box is usually composed of a box body, a box door and an internal circuit. It controls the electrical equipment by opening and closing the switches in the control circuit.

[0003] According to the application number: CN201721766283.6, a low-voltage distribution box is disclosed, including a distribution box body, an entrance and exit 1 is opened on the top of the front surface of the distribution box body, a movable door 1 is installed on the front surface of the distribution box body and at a position corresponding to the entrance and exit 1 through a hinge, an entrance and exit 2 is opened on the bottom of the front surface of the distribution box body, and a movable door 2 is installed on the front surface of the distribution box body and at a position corresponding to the entrance and exit 2 through a hinge, and a baffle is arranged inside the distribution box body, and both sides of the baffle are fixedly connected to both sides of the inner wall of the distribution box body. The utility model achieves the effect of improving the heat dissipation effect of the low-voltage distribution box, extending the service life of the low-voltage distribution box, reducing unnecessary costs, and facilitating people's use by arranging a motor, a rotating column, a gear, a toothed plate, a slide, a slide bar, a placement box 1, a fixing plate, a fan 1, an L-shaped hose, a through hole 1, a wind cover, a placement box 2, a through hole 2 and a fan 2.

[0004] Based on the above, during the inspection and maintenance of the existing low-voltage distribution box, it is necessary to open the box door to inspect and maintain the internal electronic components. However, the open door is easily closed when pushed by external force, which affects the inspection and maintenance of the low-voltage distribution box and affects work efficiency. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a low-voltage distribution box that is easy to maintain, so as to solve the problem that during the inspection and maintenance of the existing low-voltage distribution box, the box door needs to be opened to inspect and maintain the internal electronic components, and the open cabinet door is easily closed when pushed by external force, which affects the inspection and maintenance of the low-voltage distribution box and affects work efficiency.

[0006] The purpose and effect of the utility model of a low-voltage distribution box that is easy to maintain are achieved by the following specific technical means:

[0007] A low-voltage distribution box that is easy to maintain, comprises a box body, a box door, a dust screen, a cooling fan, a first fixed block, a second fixed block, a lighting maintenance mechanism and a limiting mechanism; the box door is hinged to the outside of the box body by hinges; the dust screen is fixedly connected to the outside of the box body by screws; the cooling fan is fixedly installed on the inside of the box body by bolts; two first fixing blocks are provided, and the two first fixing blocks are both welded to the inside of the box body; two second fixing blocks are provided, and the two second fixing blocks are both welded to the inside of the box door; the lighting maintenance mechanism is arranged on the inside of the box body; the limiting mechanism is arranged on the inside of the box body.

[0008] Furthermore, the lighting maintenance mechanism includes: a fixing frame, a tool box and a magnetic block; two fixing frames are provided, and both fixing frames are welded to the inner side of the box door; the tool box is hinged to the inner side of the fixing frame; and the magnetic block is interference connected to the inner side of the tool box.

[0009] Furthermore, the lighting maintenance mechanism also includes: a push switch, a lamp holder and a lighting lamp; the push switch is fixedly installed on the inner side of the box; the lamp holder is fixedly installed on the top of the inner side of the box; the lighting lamp is fixedly connected to the inner side of the lamp holder, and the lighting lamp is electrically connected to the push switch.

[0010] Furthermore, the limiting mechanism includes: a first hinged rod, a telescopic rod, a second hinged rod, a limiting block and a limiting spring; the first hinged rod is hinged on the inner side of the two second fixed blocks; the telescopic rod is fixedly connected to the outer side of the first hinged rod; the second hinged rod is hinged on the inner side of the two first fixed blocks, and the second hinged rod is slidably connected to the telescopic rod; the limiting block is slidably connected to the inner side of the second hinged rod; the lower end of the limiting spring is fixedly connected to the upper end surface of the limiting block, and the upper end of the limiting spring is fixedly connected to the inner side of the second hinged rod.

[0011] Furthermore, the limiting mechanism also includes: a sliding rod and a compression spring; two sliding rods are provided, and both sliding rods are slidably connected to the inner side of the limiting block; the compression spring is fixedly connected to the inner sides of the two sliding rods.

[0012] Furthermore, the limiting mechanism also includes: a limiting groove, a reset groove and an extrusion slope; the limiting groove is provided in plurality, and the plurality of limiting grooves are all opened on the inner side of the telescopic rod; the reset groove is provided in two, and the two reset grooves are both opened on the inner side of the front end of the telescopic rod; the extrusion slope is provided in two, and the two extrusion slopes are both opened on the inner side of the front end of the telescopic rod.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model realizes the lighting of the interior of the box and the storage of tools through the arrangement of the lighting maintenance mechanism. When the box door is opened, the lighting lamp will be powered on and light up to illuminate the interior of the box, which is convenient for inspection and maintenance. Moreover, after the tool box is opened, the tools and disassembled parts can be placed in the tool box, which is convenient for taking out and preventing loss, thereby improving work efficiency and reducing economic losses. The box door can be limited by the arrangement of the limiting mechanism. When the box door is opened, the limiting block will be inserted into the inner side of the limiting groove under the action of the limiting spring to limit the box door and prevent the box door from being closed by external force, thereby improving work efficiency. The arrangement of the above-mentioned mechanism realizes the lighting of the interior of the box and the storage of tools, which improves work efficiency and reduces economic losses. The box door can also be limited to improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the main body of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the fixing frame of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the lighting lamp of the utility model.

[0018] Figure 4 It is a structural schematic diagram of the reset groove of the utility model.

[0019] Figure 5 It is a structural schematic diagram of a cross-section of the second hinged rod of the utility model.

[0020] Figure 6 It is a schematic structural diagram of a cross-section of a limit block of the utility model.

[0021] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0022] 1. Box body; 2. Box door; 3. Dust screen; 4. Cooling fan; 5. First fixing block; 6. Second fixing block; 7. Fixing frame; 8. Tool box; 801. Magnetic block; 9. Push switch; 10. Lamp holder; 11. Lighting lamp; 12. First hinge rod; 1201. Telescopic rod; 1202. Limiting groove; 1203. Reset groove; 1204. Extrusion slope; 13. Second hinge rod; 14. Limiting block; 1401. Sliding rod; 1402. Compression spring; 15. Limiting spring. DETAILED DESCRIPTION

[0023] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0024] Embodiment 1:

[0025] As attached Figure 1-Figure 3 As shown:

[0026] The utility model provides a low-voltage distribution box which is easy to maintain, comprising a box body 1, a box door 2, a dustproof screen 3, a heat dissipation fan 4, a first fixing block 5, a second fixing block 6 and a lighting maintenance mechanism; the box door 2 is hinged to the outer side of the box body 1 through hinges; the dustproof screen 3 is fixedly connected to the outer side of the box body 1 through screws; the heat dissipation fan 4 is fixedly installed on the inner side of the box body 1 through bolts; two first fixing blocks 5 are provided, and the two first fixing blocks 5 are both welded to the inner side of the box body 1; two second fixing blocks 6 are provided, and the two second fixing blocks 6 are both welded to the inner side of the box door 2; and the lighting maintenance mechanism is arranged on the inner side of the box body 1.

[0027] Among them, the lighting maintenance mechanism includes: a fixing frame 7, a tool box 8, a magnetic block 801, a push switch 9, a lamp holder 10 and a lighting lamp 11; two fixing frames 7 are provided, and the two fixing frames 7 are welded to the inner side of the box door 2; the tool box 8 is hinged on the inner side of the fixing frame 7; the magnetic block 801 is interference connected to the inner side of the tool box 8; the push switch 9 is fixedly installed on the inner side of the box body 1; the lamp holder 10 is fixedly installed on the top of the inner side of the box body 1; the lighting lamp 11 is fixedly connected to the inner side of the lamp holder 10, and the lighting lamp 11 is electrically connected to the push switch 9.

[0028] The specific usage and function of this embodiment are as follows: when closing the box door 2, the box door 2 will press the push switch 9, and at this time, the push switch 9 will disconnect the power of the lighting lamp 11. When the box door 2 is opened, the box door 2 is separated from the push switch 9, and the push switch 9 will connect the power of the lighting lamp 11 to illuminate the inside of the box body 1. By opening the tool box 8, tools or removed parts can be placed in the tool box 8 to prevent loss. After use, the tool box 8 can be closed by tilting it upwards so that the magnetic block 801 adsorbs the tool box 8 on the inner side of the box door 2.

[0029] Embodiment 2:

[0030] On the basis of the first embodiment, Figure 4-Figure 6As shown, the limiting mechanism includes: a first hinge rod 12, a telescopic rod 1201, a limiting groove 1202, a reset groove 1203, an extrusion slope 1204, a second hinge rod 13, a limiting block 14, a sliding rod 1401, a compression spring 1402 and a limiting spring 15; the limiting mechanism is arranged on the inner side of the box body 1; the first hinge rod 12 is hinged on the inner side of the two second fixing blocks 6; the telescopic rod 1201 is fixedly connected to the outer side of the first hinge rod 12; a plurality of limiting grooves 1202 are provided, and the plurality of limiting grooves 1202 are all provided on the inner side of the telescopic rod 1201; two reset grooves 1203 are provided, and the two reset grooves 1203 are both provided on the front of the telescopic rod 1201 The inner side of the end; two extrusion inclined surfaces 1204 are provided, and the two extrusion inclined surfaces 1204 are both opened on the inner side of the front end of the telescopic rod 1201; the second hinged rod 13 is hinged on the inner side of the two first fixed blocks 5, and the second hinged rod 13 is slidably connected to the telescopic rod 1201; the limit block 14 is slidably connected to the inner side of the second hinged rod 13; two sliding rods 1401 are provided, and the two sliding rods 1401 are slidably connected to the inner side of the limit block 14; the compression spring 1402 is fixedly connected to the inner side of the two sliding rods 1401; the lower end of the limit spring 15 is fixedly connected to the upper end surface of the limit block 14, and the upper end of the limit spring 15 is fixedly connected to the inner side of the second hinged rod 13.

[0031] The specific usage and function of this embodiment are as follows: when the door 2 is opened, the second hinge rod 13 and the telescopic rod 1201 will slide relative to each other, and at this time, the limit block 14 will be inserted into the inner side of the limit groove 1202 under the action of the limit spring 15, and the opening angle of the door 2 is limited to prevent the closing of the door 2 from affecting the inspection and maintenance. When the door 2 needs to be closed, the door 2 can be fully opened. At this time, the limit block 14 will be located at the rear end of the telescopic rod 1201 and disengage from the limit groove 1202, and the sliding rod 1401 will be compressed by the spring 1401. 02, when the door 2 is closed, the sliding rod 1401 will limit the limit block 14, so that the limit block 14 cannot be inserted into the inner side of the limit groove 1202, and the telescopic rod 1201 will be retracted into the inner side of the second hinged rod 13. When the door 2 is completely closed, the sliding rod 1401 will be aligned with the reset groove 1203, and the limit block 14 will slide down and be re-inserted into the inner side of the limit groove 1202. When the door 2 is opened again, the sliding rod 1401 will be retracted into the limit block 14 under the action of the extrusion slope 1204.

Claims

1. A low-voltage distribution box that is easy to maintain, comprising a box body (1), a box door (2), a dust screen (3), a heat dissipation fan (4), a first fixing block (5), a second fixing block (6), a lighting maintenance mechanism and a limit mechanism; the box door (2) is hinged to the outside of the box body (1) by a hinge; the dust screen (3) is fixedly connected to the outside of the box body (1) by screws; the heat dissipation fan (4) is fixedly installed on the inside of the box body (1) by bolts; characterized in that: Two first fixing blocks (5) are provided, and the two first fixing blocks (5) are both welded to the inner side of the box body (1); two second fixing blocks (6) are provided, and the two second fixing blocks (6) are both welded to the inner side of the box door (2); the lighting maintenance mechanism is arranged on the inner side of the box body (1); and the limiting mechanism is arranged on the inner side of the box body (1).

2. A low-voltage distribution box that is easy to maintain as claimed in claim 1, characterized in that: The lighting maintenance mechanism comprises: a fixing frame (7), a tool box (8) and a magnetic block (801); two fixing frames (7) are provided, and the two fixing frames (7) are welded to the inner side of the box door (2); the tool box (8) is hinged to the inner side of the fixing frame (7); and the magnetic block (801) is interference-connected to the inner side of the tool box (8).

3. A low-voltage distribution box that is easy to maintain as claimed in claim 2, characterized in that: The lighting maintenance mechanism further comprises: a push switch (9), a lamp holder (10) and a lighting lamp (11); the push switch (9) is fixedly mounted on the inner side of the box (1); the lamp holder (10) is fixedly mounted on the top of the inner side of the box (1); the lighting lamp (11) is fixedly connected to the inner side of the lamp holder (10), and the lighting lamp (11) is electrically connected to the push switch (9).

4. A low-voltage distribution box that is easy to maintain as claimed in claim 1, characterized in that: The limiting mechanism comprises: a first hinged rod (12), a telescopic rod (1201), a second hinged rod (13), a limiting block (14) and a limiting spring (15); the first hinged rod (12) is hinged on the inner side of the two second fixed blocks (6); the telescopic rod (1201) is fixedly connected to the outer side of the first hinged rod (12); the second hinged rod (13) is hinged on the inner side of the two first fixed blocks (5), and the second hinged rod (13) is slidably connected to the telescopic rod (1201); the limiting block (14) is slidably connected to the inner side of the second hinged rod (13); the lower end of the limiting spring (15) is fixedly connected to the upper end surface of the limiting block (14), and the upper end of the limiting spring (15) is fixedly connected to the inner side of the second hinged rod (13).

5. A low-voltage distribution box that is easy to maintain as claimed in claim 4, characterized in that: The limiting mechanism further comprises: a sliding rod (1401) and a compression spring (1402); two sliding rods (1401) are provided, and both sliding rods (1401) are slidably connected to the inner side of the limiting block (14); and the compression spring (1402) is fixedly connected to the inner sides of the two sliding rods (1401).

6. A low-voltage distribution box that is easy to maintain as claimed in claim 5, characterized in that: The limiting mechanism further comprises: a limiting groove (1202), a reset groove (1203) and an extrusion inclined surface (1204); a plurality of the limiting grooves (1202) are provided, and the plurality of limiting grooves (1202) are all arranged on the inner side of the telescopic rod (1201); two reset grooves (1203) are provided, and the two reset grooves (1203) are both arranged on the inner side of the front end of the telescopic rod (1201); and two extrusion inclined surfaces (1204) are provided, and the two extrusion inclined surfaces (1204) are both arranged on the inner side of the front end of the telescopic rod (1201).

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