Power distribution cabinet copper bar through-wall insulation structure

Abstract

The utility model discloses a power distribution cabinet copper bar through-wall insulation structure, which relates to the technical field of power distribution cabinets, and comprises a power distribution box, a mounting rack is fixedly mounted in the power distribution box, a load meter is mounted on the front surface of the mounting rack, a copper bar is arranged in the load meter, the copper bar is fixed with the mounting rack through bolts, and the power distribution box is fixed on the mounting rack through bolts. An insulating sleeve is fixedly connected in the distribution box, a copper bar is slidably connected in the insulating sleeve, and a mounting box is fixedly connected in the distribution box. The insulation sleeve is arranged to protect the joint of the copper bar and the distribution box, the installation block, the baffle plate and other components are arranged to shield the copper bar and avoid mistaken touch during operation, and the through holes are arranged to avoid the phenomenon that the heat dissipation effect of the copper bar is poor due to the baffle plate. The technical problem that the copper bar is exposed in a power distribution box and is not safe because the copper bar of the power distribution cabinet is not frequently detached and cannot be touched after through-wall installation is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinets, in particular to a copper bar through-the-wall insulation structure of a power distribution cabinet. Background Art

[0002] A switchboard is a device used to control and distribute electricity, commonly found in industrial, commercial, and residential buildings. It usually contains one or more power input ports for receiving power supply, and multiple output ports for distributing power to different circuits and devices. Switchboard copper busbars are common conductive structures in switchboards, used to transfer electrical energy from one place to another, connecting different electrical devices or branch circuits. According to the utility model with patent authorization announcement number CN207651803U, a copper busbar of a distribution box with a long service life is disclosed, including a copper busbar body, both sides of the top outer wall of the copper busbar body are provided with fixing holes, and the inner wall of the fixing hole is connected with a fixing pin by a thread, the bottom outer wall of the copper busbar body is fixed with a bottom plate by a fixing pin, and the outer walls on both sides of the bottom plate are welded with a fixing seat, the bottom outer wall of the fixing seat is welded with a lifting block, and the bottom outer wall of the lifting block is provided with a base, the top outer wall of the base is provided with a square slide, and the lifting block is slidably connected to the inner wall of the square slide, a through hole is provided on one side outer wall of the base, and the inner wall of the through hole is connected with a positioning pin by a thread, and the two fixing seats are ladder structures. After the copper busbar of the distribution cabinet is installed through the wall, it will not be frequently disassembled and cannot be touched, so it is not safe for the copper busbar to be exposed in the distribution box. Utility Model Content

[0003] The utility model provides a wall-penetrating insulation structure for a copper busbar of a power distribution cabinet, which solves the technical problem that after the copper busbar of the power distribution cabinet is installed through the wall, it will not be frequently disassembled and cannot be touched, so the copper busbar is exposed in the power distribution box and is unsafe.

[0004] In order to solve the above technical problems, the utility model provides a copper busbar through-wall insulation structure of a distribution cabinet, comprising a distribution box, a mounting frame is fixedly installed inside the distribution box, a load meter is installed on the front of the mounting frame, a copper busbar is arranged inside the load meter, the copper busbar and the mounting frame are fixed by bolts, an insulating sleeve is fixedly connected inside the distribution box, the copper busbar is slidably connected inside the insulating sleeve, a mounting box is fixedly connected inside the distribution box, a threaded rod is rotatably connected inside the mounting box, a connecting block is slidably connected inside the mounting box, a slider is fixedly connected to the front of the connecting block, the slider is slidably connected to the mounting box, and one end of the slider away from the connecting block is fixedly connected to a limiting plate. The outer side of the limit plate is fixedly connected with an insulating pad, the limit plate contacts the mounting box, the insulating pad contacts the mounting box, the front side of the mounting frame is fixedly connected with a mounting block, the front side of the mounting block contacts the insulating plate, the inner side of the insulating plate is slidably connected with a moving block, the side of the moving block close to the mounting block is fixedly connected with a clamping block, the clamping block contacts the insulating plate, a clamping groove is provided inside the mounting block, the clamping block is slidably connected inside the clamping groove, the two moving blocks are fixedly connected with a sliding rod on the sides away from each other, the sliding rod is slidably connected to the insulating plate, the inner side of the insulating plate is fixedly connected with a limiting ring, the inner side of the limiting ring is slidably connected with the sliding rod, and a spring is provided on the outer side of the sliding rod.

[0005] Preferably, a baffle is fixedly connected to the outer side of the threaded rod, and the baffle is in contact with the installation box. A knob is fixedly connected to the right end of the threaded rod, and the knob is in contact with the installation box. The design of the baffle can limit the threaded rod, and the design of the knob can facilitate the rotation of the threaded rod.

[0006] Preferably, the outer side of the threaded rod is provided with positive and negative threads, and the threaded rod is connected to the connecting block through threads. Through the design of the threaded rod, the two connecting blocks can be driven to move at the same time.

[0007] Preferably, a through hole is provided inside the insulating plate, guide blocks are fixedly connected to both ends of the insulating plate, a guide groove is provided inside the distribution box, and a guide block is slidably connected inside the guide groove. The through hole design can facilitate heat dissipation of the copper busbar, and the design of the guide block and the guide groove can guide the insulating plate.

[0008] Preferably, one end of the spring contacts the slide rod, and the other end of the spring contacts the limiting ring. The design of the spring can drive the clamping block to limit the insulating plate.

[0009] Preferably, a push plate is fixedly connected to a side of the moving block away from the card block, and the push plate is in contact with the insulating plate. The card block can be easily moved through the design of the push plate.

[0010] Compared with the related art, the copper busbar through-wall insulation structure of the power distribution cabinet provided by the utility model has the following beneficial effects:

[0011] The utility model provides a wall-penetrating insulation structure for the copper busbar of a distribution cabinet. The insulating sleeve is provided to protect the connection between the copper busbar and the distribution box, and the installation block, baffle and other components are provided to shield the copper busbar to avoid accidental touching during operation. The through hole is provided to avoid the baffle causing poor heat dissipation of the copper busbar, thereby solving the technical problem that the copper busbar of the distribution cabinet will not be frequently disassembled and cannot be touched after being installed through the wall, so it is unsafe for the copper busbar to be exposed in the distribution box.

[0012] The utility model provides a wall-penetrating insulation structure for a copper busbar of a power distribution cabinet. By providing components such as an installation box, a limit plate, and an insulating pad, the copper busbar can be limited to avoid contact between the copper busbars. Moreover, by providing a threaded rod, the position of the limit plate can be adjusted according to the installation position of the copper busbar, so that the limit plate can better limit the copper busbar. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 A front view stereogram of the local structure;

[0015] Figure 3 For this utility model Figure 1 A side perspective view of a local structure;

[0016] Figure 4 For this utility model Figure 3 A top sectional view of

[0017] Figure 5 For this utility model Figure 3 A in the enlarged view;

[0018] Figure 6 For this utility model Figure 3 Enlarged view of point B in .

[0019] Numbers in the figure: 1. Distribution box; 2. Mounting frame; 3. Load meter; 4. Copper busbar; 5. Insulating sleeve; 6. Mounting box; 61. Threaded rod; 62. Baffle; 63. Knob; 64. Connecting block; 65. Slider; 66. Limit plate; 67. Insulating pad; 7. Mounting block; 71. Insulating plate; 711. Through hole; 712. Guide block; 713. Guide groove; 72. Moving block; 73. Block; 74. Slot; 75. Sliding rod; 76. Limit ring; 77. Spring; 78. Push plate. DETAILED DESCRIPTION

[0020] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 A copper busbar through-wall insulation structure for a distribution cabinet comprises a distribution box 1, a mounting frame 2 is fixedly installed inside the distribution box 1, a load meter 3 is installed on the front of the mounting frame 2, a copper busbar 4 is arranged inside the load meter 3, the copper busbar 4 is fixed to the mounting frame 2 by bolts, an insulating sleeve 5 is fixedly connected inside the distribution box 1, the copper busbar 4 is slidably connected inside the insulating sleeve 5, a mounting box 6 is fixedly connected inside the distribution box 1, a threaded rod 61 is rotatably connected inside the mounting box 6, a baffle 62 is fixedly connected to the outer side of the threaded rod 61, the baffle 62 contacts the mounting box 6, a knob 63 is fixedly connected to the right end of the threaded rod 61, the knob 63 contacts the mounting box 6, the baffle 62 can limit the threaded rod 61 through the design of the baffle 62, and the threaded rod 61 can be easily rotated through the design of the knob 63.

[0021] See also Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 The inside of the installation box 6 is slidably connected with a connecting block 64, and the outer side of the threaded rod 61 is provided with positive and negative threads. The threaded rod 61 is connected to the connecting block 64 through threads. Through the design of the threaded rod 61, the two connecting blocks 64 can be driven to move at the same time. The front of the connecting block 64 is fixedly connected with a slider 65, and the slider 65 is slidably connected to the installation box 6. The end of the slider 65 away from the connecting block 64 is fixedly connected to a limiting plate 66, and the outer side of the limiting plate 66 is fixedly connected with an insulating pad 67. The limiting plate 66 contacts the installation box 6, and the insulating pad 67 is fixedly connected. 7 contacts with the mounting box 6, the front of the mounting frame 2 is fixedly connected with a mounting block 7, the front of the mounting block 7 contacts with an insulating plate 71, a through hole 711 is provided inside the insulating plate 71, both ends of the insulating plate 71 are fixedly connected with guide blocks 712, a guide groove 713 is provided inside the distribution box 1, and the guide groove 713 is slidably connected with the guide block 712. The design of the through hole 711 can facilitate the heat dissipation of the copper bus 4, and the design of the guide block 712 and the guide groove 713 can guide the insulating plate 71.

[0022] See also Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6The locking cam 77 is provided with a spring 77a which is arranged on the outer side of the locking cam 74 and on the outer side of the locking cam 75b which is provided with a forceful force to move the locking cam 75b to the left of the locking cam 74b.

[0023] Working principle: When in use, by turning the knob 63, the knob 63 drives the threaded rod 61 to rotate, so that the threaded rod 61 and the connecting block 64 have a threaded movement, so that the connecting block 64 drives the slider 65 to move, and the slider 65 drives the limit plate 66 to move, so that the limit plate 66 and the insulating pad 67 move. The position of the limit plate 66 and the insulating pad 67 can be adjusted according to the installation position of the copper bar 4, so as to better limit the copper bar 4, so that the copper bars 4 will not contact each other due to looseness;

[0024] By moving the two push plates 78 toward each other, the push plates 78 drive the moving block 72 to move, and the moving block 72 drives the slide bar 75 to slide in the limit ring 76, and the slide bar 75 squeezes the spring 77, and at the same time, the moving block 72 drives the clamping block 73 to move, so that the clamping block 73 is no longer clamped with the mounting block 7, and then the insulating plate 71 is moved away from the mounting block 7, so that the insulating plate 71 can be removed and the copper bus 4 can be inspected and maintained.

Claims

1. A copper busbar through-wall insulation structure for a power distribution cabinet, comprising a power distribution box (1), characterized in that: The distribution box (1) is fixedly installed with a mounting frame (2) inside, a load meter (3) is installed on the front of the mounting frame (2), a copper busbar (4) is arranged inside the load meter (3), and the copper busbar (4) is fixed to the mounting frame (2) by bolts, an insulating sleeve (5) is fixedly connected inside the distribution box (1), and the copper busbar (4) is slidably connected inside the insulating sleeve (5), a mounting box (6) is fixedly connected inside the distribution box (1), a threaded rod (61) is rotatably connected inside the mounting box (6), a connecting block (64) is slidably connected inside the mounting box (6), a slider (65) is fixedly connected to the front of the connecting block (64), and the slider (65) is slidably connected to the mounting box (6), and one end of the slider (65) away from the connecting block (64) is fixedly connected to a limiting plate (66), and an insulating pad (67) is fixedly connected to the outer side of the limiting plate (66), and the limiting plate (66) is connected to the mounting frame (6). The mounting box (6) is in contact with the insulating pad (67) and the mounting box (6). The front of the mounting frame (2) is fixedly connected with a mounting block (7). The front of the mounting block (7) is in contact with an insulating plate (71). A moving block (72) is slidably connected inside the insulating plate (71). A clamping block (73) is fixedly connected to a side of the moving block (72) close to the mounting block (7). The clamping block (73) is in contact with the insulating plate (71). A clamping groove (74) is provided inside the mounting block (7). The clamping block (73) is slidably connected inside the clamping groove (74). A sliding rod (75) is fixedly connected to the sides of the two moving blocks (72) that are away from each other. The sliding rod (75) is slidably connected to the insulating plate (71). A limiting ring (76) is fixedly connected inside the insulating plate (71). The sliding rod (75) is slidably connected inside the limiting ring (76). A spring (77) is provided on the outside of the sliding rod (75).

2. A distribution cabinet copper bar through-wall insulation structure according to claim 1, characterized in that: A baffle (62) is fixedly connected to the outer side of the threaded rod (61), and the baffle (62) contacts the installation box (6). A knob (63) is fixedly connected to the right end of the threaded rod (61), and the knob (63) contacts the installation box (6).

3. A distribution cabinet copper bar through-wall insulation structure according to claim 1, characterized in that: The outer side of the threaded rod (61) is provided with positive and negative threads, and the threaded rod (61) is connected to the connecting block (64) via threads.

4. A distribution cabinet copper bar through-wall insulation structure according to claim 1, characterized in that: A through hole (711) is provided inside the insulating plate (71), guide blocks (712) are fixedly connected to both ends of the insulating plate (71), a guide groove (713) is provided inside the distribution box (1), and a guide block (712) is slidably connected inside the guide groove (713).

5. A distribution cabinet copper bar through-wall insulation structure according to claim 1, characterized in that: One end of the spring (77) contacts the slide bar (75), and the other end of the spring (77) contacts the limiting ring (76).

6. A distribution cabinet copper bar through-wall insulation structure according to claim 1, characterized in that: A push plate (78) is fixedly connected to one side of the moving block (72) away from the clamping block (73), and the push plate (78) is in contact with the insulating plate (71).

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