Busbar clamp for switchgear

Abstract

The utility model relates to a power distribution cabinet technical field especially relates to a bus clamp for power distribution cabinet, including the clamping plate no.

Description

Technical Field

[0001] This utility model relates to the field of power distribution cabinet technology, and in particular to a busbar clamp for power distribution cabinet. Background Technology

[0002] The power distribution cabinet is equipped with a busbar for connecting to the power supply. A busbar is a common path on which multiple devices are connected in parallel branches. Busbar clamps are usually used to fix and support the metal accessories of the busbar in the power distribution equipment. Busbar clamps are commonly used to fix the busbars of low-voltage electrical distribution cabinets.

[0003] For example, patent number CN218828450U discloses a busbar clamp structure for a power distribution cabinet. The key technical points include a cabinet body containing several busbar clamps. Each busbar clamp includes a first clamping plate and a second clamping plate. The first clamping plate has a slot A, and the second clamping plate has a slot B, which are directly opposite each other. The second clamping plate has a retractable sliding pressure rod and an indicator rod. One end of the pressure rod extends into slot B, and the other end has a beveled surface. One end of the indicator rod extends from the side wall of the second clamping plate, and the other end has an arc-shaped portion that abuts against the surface of the beveled surface. This invention provides a clear indication of whether the clamps are secure, facilitating installation and making it easier to detect loose busbar clamps during maintenance.

[0004] The busbar clamp for the distribution cabinet in this patent lacks a pre-fixing function, making it difficult to fine-tune the busbar. In addition, bolts are required to fix and lock the clamp plate, resulting in a large number of parts during assembly, complicated operation, low efficiency, and easy loss of parts. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a busbar clamp for power distribution cabinets, which solves the problems of lacking pre-fixing function, making it difficult to fine-tune the busbar, and having many parts during assembly, resulting in low efficiency and the risk of parts being lost.

[0006] The technical solution of this utility model is as follows: a busbar clamp for a power distribution cabinet includes a clamp plate one, a clamp plate two is provided on the front side of the clamp plate one, and a sliding groove is provided on the left and right sides of the surface of the clamp plate one. An adjusting screw is provided on the inner side of the sliding groove, and an adjusting block is provided on the outer side of the adjusting screw. A slot is provided on the surface of the adjusting block. Insert blocks are provided on the left and right sides of the front end of the clamp plate two. A limiting groove is provided on the rear side of the clamp plate two. An abutment block is provided at the rear end of the limiting groove. The rear end of the abutment block and the clamp plate one are slidably sleeved through a movable groove. A spring one is provided on the inner side of the movable groove. A through groove is provided on the front side of the clamp plate two. An indicator slide rod is provided on the inner side of the through groove. A spring two is sleeved on the outer side of the indicator slide rod.

[0007] Preferably, the front and rear ends of the adjusting screw are rotatably connected to the clamping plate, and the front end of the adjusting screw extends to the outside of the clamping plate and is fixedly installed with an adjusting knob.

[0008] Preferably, the adjusting block and the slide are slidably connected on the inner side, the adjusting screw and the adjusting block are threadedly connected, and the slot is arranged to pass through the adjusting block from front to back.

[0009] Preferably, the left and right sides of the second clamping plate are slidably fitted with the first clamping plate, the insert block is fixedly connected to the surface of the second clamping plate, and the inner sides of the insert block and the slot are mutually adapted.

[0010] Preferably, the front end of the abutment block and the inner side of the limiting groove are adapted to each other, the rear end of the abutment block extends to the inner side of the movable groove and is fixedly connected to the front end of the first spring, and the rear end of the first spring is fixedly connected to the inner side of the movable groove.

[0011] Preferably, the surface of the clamping plate one is provided with equally spaced wire grooves one, and the surface of the clamping plate two is provided with equally spaced wire grooves two. The wire grooves one and two are adapted to each other, and the surface of the clamping plate two is provided with weight reduction grooves between the wire grooves two.

[0012] Preferably, the rear end of the through groove and the inner side of the second groove are connected to each other, the indicator slide rod is slidably connected to the inner side of the through groove, the outer side of the indicator slide rod is fixedly installed with a limiting plate, the front end of the second spring is fixedly connected to the inner side of the through groove, and the rear end of the second spring is fixedly connected to the limiting plate.

[0013] The beneficial effects of this utility model are:

[0014] 1. The distribution cabinet uses busbar clamps. The clamp plate is connected to one side of the busbar, and then the second clamp plate is placed inside the first clamp plate along the other side of the busbar, so that the two plugs are inserted into the slots and the abutment block is inserted into the limiting slot. At this time, the abutment block presses against the second clamp plate, realizing the pre-installation limit of the first clamp plate and the second clamp plate, which facilitates the fine adjustment of the busbar.

[0015] 2. The distribution cabinet uses busbar clamps. By turning the adjustment knob, the adjustment screw is rotated, which causes the adjustment block to push the clamp plate two to move and clamp the busbar. During the clamping process, the protrusion status of the indicator slide bar can be observed to easily determine whether the busbar is clamped. This reduces the number of parts, simplifies the operation steps, and improves installation efficiency. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the busbar clamp for the distribution cabinet of this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of the clamping plate of this utility model;

[0018] Figure 3The diagram shown is a three-dimensional cross-sectional view of the clamping plate of this utility model.

[0019] Figure 4 The diagram shown is a three-dimensional structural schematic of the clamping plate of this utility model.

[0020] Figure 5 The diagram shown is a two-dimensional cross-sectional view of the clamping plate of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Clamping plate one; 101. Wire groove one; 2. Clamping plate two; 201. Wire groove two; 3. Slide groove; 4. Adjusting screw; 401. Adjusting knob; 5. Adjusting block; 6. Slot; 7. Insert block; 8. Limiting groove; 9. Abutment block; 10. Movable groove; 11. Spring one; 12. Through groove; 13. Indicator slide rod; 14. Spring two. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-5 This utility model provides an embodiment: a busbar clamp for a power distribution cabinet, including a clamp plate 1, a clamp plate 2 on the front side of the clamp plate 1, a sliding groove 3 on the left and right sides of the clamp plate 2 on the surface of the clamp plate 1, an adjusting screw 4 on the inner side of the sliding groove 3, an adjusting block 5 on the outer side of the adjusting screw 4, a slot 6 on the surface of the adjusting block 5, insert blocks 7 on the left and right sides of the front end of the clamp plate 2, a limiting groove 8 on the rear side of the clamp plate 2, an abutment block 9 on the rear end of the limiting groove 8, the rear end of the abutment block 9 and the clamp plate 1 are slidably sleeved through a movable groove 10, a spring 11 on the inner side of the movable groove 10, a through groove 12 on the front side of the clamp plate 2, an indicator slide rod 13 on the inner side of the through groove 12, and a spring 2 14 sleeved on the outer side of the indicator slide rod 13.

[0024] Please see Figures 1-4In this embodiment, the front and rear ends of the adjusting screw 4 are rotatably connected to the clamping plate 1. The front end of the adjusting screw 4 extends to the outside of the clamping plate 1 and is fixedly installed with an adjusting knob 401. The adjusting block 5 and the inner side of the slide groove 3 are slidably connected. The adjusting screw 4 and the adjusting block 5 are threadedly connected. The slot 6 is arranged to pass through the adjusting block 5 from front to back. The left and right sides of the clamping plate 2 are slidably fitted with the clamping plate 1. The insert 7 is fixedly connected to the surface of the clamping plate 2. The inner side of the insert 7 and the slot 6 are mutually adapted. The front end of the abutting block 9 is mutually adapted to the inner side of the limiting groove 8. The rear end of the abutting block 9 extends to the inner side of the movable groove 10 and is fixedly connected to the front end of the spring 11. The rear end of the spring 11 is fixedly connected to the inner side of the movable groove 10. The surface of the clamping plate 1 is provided with equally spaced wire grooves 101. The surface of the clamping plate 2 is provided with equally spaced wire grooves 101. The cable groove 201 is provided at the interval. The cable groove 101 and the cable groove 201 are adapted to each other. The surface of the clamping plate 2 is provided with a weight-reducing groove between the cable grooves 201. The clamping plate 1 is sleeved on one side of the busbar, and the clamping plate 2 is placed on the inside of the clamping plate 1 along the other side of the busbar, so that the two inserts 7 are inserted into the slots 6, and the abutment block 9 is inserted into the limiting groove 8. At this time, the spring 11 is compressed, so that the abutment block 9 applies a pushing force to the clamping plate 2, and clamping the clamping plate 2 tightly, realizing the pre-installation limit of the clamping plate 1 and the clamping plate 2. At this time, the busbar can be finely adjusted. After the adjustment is completed, the adjusting screw 4 is rotated by turning the adjusting knob 401, so that the adjusting block 5 slides along the slide groove 3, pushing the clamping plate 2 to move, so that the cable groove 101 and the cable groove 201 cooperate to clamp the busbar.

[0025] Please see Figures 2-5 In this embodiment, the rear end of the through groove 12 and the inner side of the second wire groove 201 are connected to each other. The indicator slide rod 13 is slidably connected to the inner side of the through groove 12. A limit plate is fixedly installed on the outer side of the indicator slide rod 13. The front end of the second spring 14 is fixedly connected to the inner side of the through groove 12. The rear end of the second spring 14 is fixedly connected to the limit plate. During the clamping process, the end of the indicator slide rod 13 located inside the second wire groove 201 abuts against the busbar, causing the second spring 14 to be squeezed. The other end of the indicator slide rod 13 extends to the outer side of the second clamping plate 2. By observing the protruding state of the indicator slide rod 13, it is convenient to determine whether the busbar has been clamped.

[0026] During operation, clamp 1 is fitted onto one side of the busbar, and clamp 2 is placed on the other side of the busbar inside clamp 1. The two inserts 7 are inserted into slots 6, and the abutment block 9 is inserted into the limiting slot 8. At this time, spring 11 is compressed, causing the abutment block 9 to exert a pushing force on clamp 2, thus clamping clamp 2 and achieving the pre-installation limit of clamp 1 and clamp 2. At this time, the busbar can be finely adjusted. After the adjustment is completed, the adjusting screw 4 is rotated by turning the adjusting knob 401, causing the adjusting block 5 to slide along the slide groove 3, pushing clamp 2 to move, so that slot 101 and slot 201 cooperate to clamp the busbar. During the clamping process, the end of the indicator slide rod 13 located inside slot 201 abuts against the busbar, causing spring 214 to be compressed. The other end of the indicator slide rod 13 extends to the outside of clamp 2. By observing the protruding state of the indicator slide rod 13, it is easy to determine whether the busbar is clamped.

[0027] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A busbar clamp for a power distribution cabinet, comprising a clamping plate (1), characterized in that: A clamping plate 2 (2) is provided on the front side of clamping plate 1 (1). A sliding groove (3) is provided on the surface of clamping plate 1 (1) on the left and right sides of clamping plate 2 (2). An adjusting screw (4) is provided on the inner side of the sliding groove (3). An adjusting block (5) is provided on the outer side of the adjusting screw (4). A slot (6) is provided on the surface of the adjusting block (5). Insert blocks (7) are provided on the left and right sides of the front end of clamping plate 2 (2). A limiting groove (8) is provided on the rear side of clamping plate 2 (2). An abutment block (9) is provided at the rear end of the limiting groove (8). The rear end of the abutment block (9) and clamping plate 1 (1) are slidably connected through a movable groove (10). A spring 1 (11) is provided on the inner side of the movable groove (10). A through groove (12) is provided on the front side of clamping plate 2 (2). An indicator slide rod (13) is provided on the inner side of the through groove (12). A spring 2 (14) is sleeved on the outer side of the indicator slide rod (13).

2. The busbar clamp for a distribution cabinet according to claim 1, characterized in that: The front and rear ends of the adjusting screw (4) are rotatably connected to the clamp plate (1), and the front end of the adjusting screw (4) extends to the outside of the clamp plate (1) and is fixedly installed with an adjusting knob (401).

3. A busbar clamp for a distribution cabinet according to claim 1, characterized in that: The inner sides of the adjusting block (5) and the slide (3) are slidably connected, the adjusting screw (4) and the adjusting block (5) are threadedly connected, and the slot (6) is arranged to pass through the adjusting block (5) from front to back.

4. A busbar clamp for a distribution cabinet according to claim 1, characterized in that: The left and right sides of the second clamp (2) slide and fit together with the first clamp (1), the insert (7) and the surface of the second clamp (2) are fixedly connected, and the inner sides of the insert (7) and the slot (6) are adapted to each other.

5. A busbar clamp for a distribution cabinet according to claim 1, characterized in that: The front end of the abutment block (9) and the inner side of the limiting groove (8) are adapted to each other. The rear end of the abutment block (9) extends to the inner side of the movable groove (10) and is fixedly connected to the front end of the spring (11). The rear end of the spring (11) is fixedly connected to the inner side of the movable groove (10).

6. A busbar clamp for a distribution cabinet according to claim 1, characterized in that: The surface of clamping plate 1 (1) is provided with 101 grooves at equal intervals, and the surface of clamping plate 2 (2) is provided with 201 grooves at equal intervals. The 101 grooves and the 201 grooves are adapted to each other. The surface of clamping plate 2 (2) is provided with a weight reduction groove between the 201 grooves.

7. A busbar clamp for a distribution cabinet according to claim 6, characterized in that: The rear end of the through groove (12) and the inner side of the second line groove (201) are connected to each other. The indicator slide rod (13) and the inner side of the through groove (12) are slidably connected. A limit plate is fixedly installed on the outer side of the indicator slide rod (13). The front end of the second spring (14) and the inner side of the through groove (12) are fixedly connected. The rear end of the second spring (14) and the limit plate are fixedly connected.

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