Mounting and fixing structure of large-current power distribution cabinet busbar

Abstract

The utility model relates to an installing and fixing structure of a large-current power distribution cabinet busbar, which belongs to the technical field of busbar installation and comprises a busbar fixing structure body, a connecting and fixing plate and a fixing shell, the connecting and fixing plate and the fixing shell are arranged on the busbar fixing structure body, and two positioning grooves are arranged on the left side face of the fixing shell. The right side face of the connecting and fixing plate is fixedly connected with two positioning plates, the two positioning plates extend into the two positioning grooves correspondingly, and the peripheral walls of the two positioning plates are fixedly sleeved with rubber rings correspondingly. According to the mounting and fixing structure of the large-current power distribution cabinet busbar, the connecting and fixing plate is fixed through clearance fit between the fixing rod and the fixing hole, the connecting and fixing plate is supported through cooperation between the positioning plate and the positioning groove, the stability of the connecting and fixing plate is improved, and meanwhile, the rubber ring and the positioning groove are attached to each other, so that the mounting and fixing effects are improved. The positioning plate is supported, and the stability of the positioning plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of busbar installation, in particular to an installation and fixing structure of a busbar of a large current distribution cabinet. Background Art

[0002] Busbar is the name of the conductive material on the power distribution equipment. It is made of flat copper and has no insulation layer. The outside is painted with color paint indicating the phase sequence or covered with sleeves of corresponding colors. It is mainly used to connect indoor transformers to distribution cabinets, then to the main power switch and then to each sub-switch to distribute larger power to each component of the distributed system.

[0003] Chinese patent CN216625225U discloses a distribution cabinet busbar installation and fixing mechanism. The patent discloses a technical solution with high stability, which solves the problem that in the existing busbar arrangement structure, the heat generated by the use of lead wires for power supply may cause the busbar plate to bend due to heat and contact with adjacent busbars, thereby causing a short circuit accident, thereby affecting the normal operation of the distribution system.

[0004] When the device is in use, the adapter card slots and the adapter card slots, the busbar fixing slots and the concave slots are configured to be correspondingly adapted and connected with the busbar, thereby improving the stability and sealing of the busbar during installation. However, the fixed housing and the connection fixing plate are fixed by multiple connecting fixing screws, which need to be operated by external tools, reducing the efficiency of disassembly and assembly. Therefore, an installation and fixing structure for the busbar of a large current distribution cabinet is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an installation and fixing structure for the busbar of a large-current distribution cabinet, which has the advantage of convenient disassembly and assembly, and solves the problem that when the device is in use, the adapter card slots and the adapter card slots, the busbar fixing slots and the concave slots are correspondingly adapted and connected with the busbar, thereby improving the stability and sealing of the busbar during installation. However, the fixing outer shell and the connecting fixing plate are fixed by multiple connecting fixing screws, which need to be operated by external tools, thereby reducing the efficiency of disassembly and assembly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an installation and fixing structure for a busbar of a large current distribution cabinet, comprising a busbar fixing structure body and a connecting fixing plate and a fixing shell arranged on the busbar fixing structure body, wherein two positioning grooves are provided on the left side of the fixing shell.

[0007] Two positioning plates are fixedly connected to the right side of the connecting and fixing plate, and the two positioning plates extend to the inside of the two positioning grooves respectively. The outer peripheral walls of the two positioning plates are fixedly sleeved with rubber rings. Two fixing holes are opened on the left side of the connecting and fixing plate, and fixing rods with one end extending to the inside of the fixing hole are placed on the top and bottom of the fixed shell.

[0008] The fixed shell is provided with a supporting assembly for supporting the fixed rod.

[0009] The fixed shell is provided with a limiting component for supporting the supporting component.

[0010] Furthermore, the two rubber rings are both rectangular rings, and the two rubber rings are respectively located in the two positioning grooves and fit tightly together.

[0011] Furthermore, the two fixing rods are both U-shaped rods, and the two fixing rods are respectively clearance-matched with the two fixing holes.

[0012] Furthermore, the support assembly includes two mounting plates, the two mounting plates are respectively fixedly connected to the top surface and the bottom surface of the fixed shell, the left sides of the two mounting plates are fixedly connected to telescopic rods, the left sides of the two telescopic rods are fixedly connected to support plates, the two fixed rods are respectively rotatably connected to the two support plates through bearings, and the outer peripheral walls of the two telescopic rods are respectively provided with springs fixedly connected to the mounting plates and the support plates.

[0013] Furthermore, the telescopic rod is composed of a sleeve and a moving rod, one end of the moving rod penetrates and extends into the interior of the sleeve, the outer side of the moving rod is fixedly connected to a limiting block located inside the sleeve, and one side of the sleeve is provided with a through hole adapted to the moving rod.

[0014] Furthermore, the limiting assembly includes two sliders, the two sliders are respectively fixedly connected to one side surface of the two support plates close to the mounting plate, the two mounting plates are each provided with a sliding groove on the opposite side, the two sliders are respectively extended to the inside of the two sliding grooves, the front and back sides of the two sliders are both fixedly connected with rubber pads, the inside of the two positioning grooves are both fixedly connected with positioning rods, the right sides of the two positioning plates are provided with positioning holes, the two positioning rods are respectively extended to the inside of the two positioning holes, and the outer peripheral walls of the two positioning rods are fixedly covered with rubber rings.

[0015] Furthermore, the two sliding blocks are respectively slidably connected to the two sliding grooves, and the rubber pad is fitted with the sliding grooves.

[0016] Furthermore, the positioning rod and the positioning hole are clearance-matched, and the rubber ring and the positioning hole are fitted.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0018] 1. The installation and fixing structure of the busbar of the high-current distribution cabinet fixes the connection fixing plate through the clearance fit between the fixing rod and the fixing hole, supports the connection fixing plate through the fit between the positioning plate and the positioning groove, and improves the stability of the connection fixing plate. At the same time, the positioning plate is supported through the fit between the rubber ring and the positioning groove, and the stability of the positioning plate is improved;

[0019] 2. The installation and fixing structure of the busbar of the large current distribution cabinet supports the fixing rod under the action of the spring to improve the stability of the fixing rod, supports the support plate through the sliding connection between the slider and the slide groove to improve the stability of the support plate, and at the same time, fixes the positioning plate through the clearance fit between the positioning rod and the positioning hole, which is convenient for the staff to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 for Figure 1 A is a magnified schematic diagram of the structure;

[0022] Figure 3 for Figure 1 A schematic diagram of the structure of B in the middle;

[0023] Figure 4 It is a top view schematic diagram of the mounting plate in the structure of the utility model.

[0024] In the figure: 1 busbar fixing structure body, 2 mounting plate, 3 telescopic rod, 4 spring, 5 slide groove, 6 support plate, 7 fixing rod, 8 fixing hole, 9 positioning plate, 10 connecting fixing plate, 11 fixing shell, 12 rubber pad, 13 slider, 14 positioning rod, 15 positioning groove, 16 rubber ring, 17 positioning hole, 18 rubber ring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Please refer to Figure 1-4In this embodiment, a busbar installation and fixing structure for a large current distribution cabinet includes a busbar fixing structure body 1 and a connecting fixing plate 10 and a fixing shell 11 arranged on the busbar fixing structure body 1. Two positioning grooves 15 are opened on the left side of the fixing shell 11.

[0027] Two positioning plates 9 are fixedly connected to the right side of the connecting and fixing plate 10, and the two positioning plates 9 extend to the inside of the two positioning grooves 15 respectively. The outer peripheral walls of the two positioning plates 9 are fixedly sleeved with rubber rings 16. Two fixing holes 8 are opened on the left side of the connecting and fixing plate 10, and a fixing rod 7 with one end extending to the inside of the fixing hole 8 is placed on the top and bottom of the fixing shell 11.

[0028] The two rubber rings 16 are both rectangular rings, and the two rubber rings 16 are respectively located in the two positioning grooves 15 and fit tightly, and the two fixing rods 7 are both U-shaped rods, and the two fixing rods 7 are respectively loosely matched with the two fixing holes 8 .

[0029] Specifically, the connecting fixing plate 10 is pushed to insert the positioning plate 9 into the positioning groove 15. The positioning plate 9 is supported by the fit between the rubber ring 16 and the positioning groove 15. The fixing rod 7 and the fixing hole 8 are located on the same center line. The fixing rod 7 is inserted into the fixing hole 8. The connecting fixing plate 10 is fixed by the clearance fit between the fixing rod 7 and the fixing hole 8.

[0030] Example 2: Please refer to Figure 1-4 In this embodiment, on the basis of embodiment one, a support assembly is provided on a fixed shell 11, and the support assembly includes two mounting plates 2, and the two mounting plates 2 are respectively fixedly connected to the top surface and the bottom surface of the fixed shell 11, and the left sides of the two mounting plates 2 are fixedly connected to telescopic rods 3, and the left sides of the two telescopic rods 3 are fixedly connected to support plates 6, and two fixed rods 7 are respectively rotatably connected to the two support plates 6 through bearings, and the outer peripheral walls of the two telescopic rods 3 are respectively provided with springs 4 fixedly connected to the mounting plates 2 and the support plates 6.

[0031] Among them, the telescopic rod 3 is composed of a sleeve and a moving rod. One end of the moving rod penetrates and extends into the interior of the sleeve. The outer side of the moving rod is fixedly connected to a limiting block located inside the sleeve. A through hole matching the moving rod is opened on one side of the sleeve.

[0032] Specifically, the fixing rod 7 is rotated to make the fixing plate 7 and the supporting plate 6 in a horizontal state, the fixing rod 7 is pulled to make the fixing rod 7 drive the supporting plate 6 to move, the telescopic rod 3 and the spring 4 are stretched, the fixing rod 7 is rotated to make the fixing rod 7 and the fixing hole 8 be located on the same center line, the fixing rod 7 is loosened, and the fixing rod 7 is reset.

[0033] Example 3: Please refer to Figure 1-4 In this embodiment, on the basis of Embodiment 1 and Embodiment 2, a limit assembly is provided on the fixed shell 11, and the limit assembly includes two sliders 13, and the two sliders 13 are respectively fixedly connected to one side surface of the two support plates 6 close to the mounting plate 2, and the two mounting plates 2 have opposite side surfaces each provided with a slide groove 5, and the two sliders 13 extend to the inside of the two slide grooves 5, respectively, and the front and back surfaces of the two sliders 13 are fixedly connected with rubber pads 12, and the inside of the two positioning grooves 15 are fixedly connected with positioning rods 14, and the right sides of the two positioning plates 9 are provided with positioning holes 17, and the two positioning rods 14 extend to the inside of the two positioning holes 17, respectively, and the outer peripheral walls of the two positioning rods 14 are fixedly sleeved with rubber rings 18.

[0034] The two sliders 13 are slidably connected to the two slide grooves 5 respectively, the rubber pad 12 fits with the slide groove 5 , the positioning rod 14 and the positioning hole 17 are clearance-matched, and the rubber ring 18 fits with the positioning hole 17 .

[0035] Specifically, the support plate 6 is supported by the sliding connection between the slider 13 and the slide groove 5 to improve the stability of the support plate 6, the slider 13 is supported by the fit between the rubber pad 12 and the slide groove 5, the positioning rod 14 is inserted into the interior of the positioning hole 17, the positioning plate 9 is restricted by the clearance fit between the positioning rod 14 and the positioning hole 17, and the positioning rod 14 is fixed by the clearance fit between the rubber ring 18 and the positioning hole 17.

[0036] The working principle of the above embodiment is:

[0037] The fixing rod 7 is rotated to make the fixing plate 7 and the supporting plate 6 in a horizontal state, and the connecting fixing plate 10 is pushed to insert the positioning plate 9 into the inside of the positioning groove 15. The positioning plate 9 is supported by the fit between the rubber ring 16 and the positioning groove 15. The positioning rod 14 is inserted into the inside of the positioning hole 17. The positioning plate 9 is restricted by the clearance fit between the positioning rod 14 and the positioning hole 17. The positioning rod 14 is fixed by the clearance fit between the rubber ring 18 and the positioning hole 17, and then the fixing rod 7 is pulled to drive the fixing rod 7 to move. The support plate 6 moves to stretch the telescopic rod 3 and the spring 4. The support plate 6 is supported by the sliding connection between the slider 13 and the slide groove 5 to improve the stability of the support plate 6. The slider 13 is supported by the fit between the rubber pad 12 and the slide groove 5. The fixing rod 7 is rotated so that the fixing rod 7 and the fixing hole 8 are located on the same center line. The fixing rod 7 is loosened, reset, and inserted into the fixing hole 8. The connecting fixing plate 10 is fixed by the clearance fit between the fixing rod 7 and the fixing hole 8.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A busbar installation and fixing structure for a large current distribution cabinet, comprising a busbar fixing structure body (1) and a connecting fixing plate (10) and a fixing shell (11) arranged on the busbar fixing structure body (1), characterized in that: The left side surface of the fixed housing (11) is provided with two positioning grooves (15); The right side of the connecting and fixing plate (10) is fixedly connected with two positioning plates (9), the two positioning plates (9) respectively extend to the inside of the two positioning grooves (15), the outer peripheral walls of the two positioning plates (9) are fixedly sleeved with rubber rings (16), the left side of the connecting and fixing plate (10) is provided with two fixing holes (8), and the top and bottom of the fixing shell (11) are both provided with fixing rods (7) with one end extending to the inside of the fixing holes (8); A supporting component is provided on the fixed housing (11), and a limiting component is provided on the fixed housing (11).

2. The installation and fixing structure of a busbar of a large current distribution cabinet according to claim 1 is characterized in that: The two rubber rings (16) are both rectangular rings, and the two rubber rings (16) are respectively located in the two positioning grooves (15) and fit tightly together.

3. The installation and fixing structure of a busbar of a large current distribution cabinet according to claim 2 is characterized in that: The two fixing rods (7) are both U-shaped rods, and the two fixing rods (7) are respectively clearance-matched with the two fixing holes (8).

4. The installation and fixing structure of a busbar of a large current distribution cabinet according to claim 1 is characterized in that: The support assembly comprises two mounting plates (2), the two mounting plates (2) being fixedly connected to the top surface and the bottom surface of the fixed housing (11), respectively; the left sides of the two mounting plates (2) are fixedly connected to telescopic rods (3), the left sides of the two telescopic rods (3) are fixedly connected to support plates (6), the two fixed rods (7) are rotatably connected to the two support plates (6) via bearings, and the outer peripheral walls of the two telescopic rods (3) are respectively provided with springs (4) fixedly connected to the mounting plates (2) and the support plates (6).

5. The installation and fixing structure of a busbar of a large current distribution cabinet according to claim 4 is characterized in that: The telescopic rod (3) is composed of a sleeve and a moving rod, one end of the moving rod penetrates and extends into the interior of the sleeve, the outer side of the moving rod is fixedly connected to a limiting block located inside the sleeve, and one side of the sleeve is provided with a through hole adapted to the moving rod.

6. The installation and fixing structure of a busbar of a large current distribution cabinet according to claim 4 is characterized in that: The limiting assembly comprises two sliders (13), the two sliders (13) are respectively fixedly connected to one side surface of the two support plates (6) close to the mounting plate (2), the two mounting plates (2) are provided with a slide groove (5) on the opposite side, the two sliders (13) respectively extend to the inside of the two slide grooves (5), the front and back surfaces of the two sliders (13) are fixedly connected to rubber pads (12), the inside of the two positioning grooves (15) are fixedly connected to positioning rods (14), the right sides of the two positioning plates (9) are provided with positioning holes (17), the two positioning rods (14) respectively extend to the inside of the two positioning holes (17), and the outer peripheral walls of the two positioning rods (14) are fixedly sleeved with rubber rings (18).

7. The installation and fixing structure of a busbar of a large current distribution cabinet according to claim 6 is characterized in that: The two sliding blocks (13) are respectively slidably connected to the two sliding grooves (5), and the rubber pad (12) is in close contact with the sliding grooves (5).

8. The installation and fixing structure of a busbar of a large current distribution cabinet according to claim 7 is characterized in that: The positioning rod (14) and the positioning hole (17) are clearance-matched, and the rubber ring (18) and the positioning hole (17) are in close contact.

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