Fixing base for low-voltage current transformer

Abstract

The utility model relates to the technical field of low-voltage current transformers, in particular to a fixing base for a low-voltage current transformer, which comprises a base body, a placing groove is arranged at a position close to the middle of the top end of the base body, and fixing holes are arranged at positions close to two sides of the top end of the base body. Through holes are formed in the positions, close to the two sides, of the interior of the base body, magnet plates are installed at the positions, close to the lower portions of the through holes, of one side of the base body, and a current transformer body is placed in the containing groove. By arranging parts such as a fixing hole, a through hole, a magnet plate, a fixing plate, a fixing rod, a locking hole, a mounting disc, a handheld rod, a locking rod, a limiting disc, a grip and a nut, the problem that in the process of mounting the low-voltage current transformer, due to limitation of operation space and mounting tools, the operation range of mounting personnel is limited, and inconvenience is brought to work can be effectively solved. And in addition, small parts needing to be used in the installation process are prone to being lost.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage current transformers, in particular to a fixing base for low-voltage current transformers. Background Art

[0002] A low-voltage current transformer is a device used to convert high AC current into a lower, more manageable current. It offers excellent performance and stable accuracy, and is primarily used in low-voltage power distribution systems for current measurement, energy metering, and relay protection.

[0003] During the installation of low-voltage current transformers, the limited working space and installation tools restrict the installer's range of operations, which brings inconvenience. In addition, small parts required during installation are easily lost, increasing safety risks. Therefore, corresponding improvements are being made to address these issues. Utility Model Content

[0004] The purpose of the utility model is to provide a fixing base for a low-voltage current transformer to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a fixed base for a low-voltage current transformer, comprising a base body, a placement groove being provided at the middle position of the top of the base body, and fixing holes being provided at both sides of the top of the base body, through holes being installed at both sides of the interior of the base body, and a magnet plate being installed at a position below the through holes on one side of the base body, a current transformer body being placed inside the placement groove, and fixing plates being installed at the bottom ends of both sides of the current transformer body, the interiors of the fixing plates being movably connected to fixing rods, and locking holes being provided inside the fixing rods, a locking rod being movably connected inside the through holes, and a limiting disk being installed at one end of the locking rod, a handle being installed at one side of the limiting disk, a threaded groove being provided at the end of the locking rod, and a nut being movably screwed to the end of the locking rod through the threaded groove.

[0006] Preferably, a mounting plate is installed on the top of the fixing rod, and a hand-held rod is installed on the top of the mounting plate.

[0007] Preferably, the outer diameter of the fixing rod is adapted to the inner diameter of the fixing hole, and the bottom end of the fixing rod extends into the interior of the fixing hole and is movably engaged therewith.

[0008] Preferably, the inner diameter of the locking hole is matched with the outer diameter of the locking rod, and one end of the locking rod passes through the locking hole and penetrates the interior of the fixing rod.

[0009] Preferably, one end of the locking rod passes through the interior of the base body through a through hole.

[0010] Preferably, the magnet plates are all arc-shaped, and the curvature of the inner wall of the magnet plate is matched with the curvature of the side surface of the limiting plate.

[0011] Preferably, the inner wall of the magnet plate is fitted with the side surface of the limiting disk and fixed by adsorption.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The arrangement of components such as fixing holes, through-holes, magnet plates, fixing plates, fixing rods, locking holes, mounting plates, hand-held rods, locking rods, limit plates, grips, and nuts effectively solves the inconvenience caused by the limited working space and installation tools during the installation of low-voltage current transformers. In addition, the problem of small components required during installation being easily lost is solved.

[0014] The user can place the current transformer body in the placement slot, so that the two sets of fixing plates can be overlapped on the top of the base body. After that, the user can insert the fixing rod into the inside of the fixing plate by holding the rod, and make the bottom end of the fixing rod extend into the inside of the fixing hole, so that the bottom end of the mounting plate can be overlapped on the top of the fixing plate. After that, one end of the locking rod can be passed through the through hole into the inside of the base body by the handle, and at the same time pass through the inside of the fixing rod through the locking hole, so that one end of the locking rod can pass through the locking hole and the fixing The inside of the rod is plugged in, and at the same time, the inner surface of the limit plate can be fitted with one side surface of the base body, and the side surface of the limit plate can be fitted with the inner wall of the magnet plate and fixed accordingly. Finally, the nut can be movably screwed on the threaded groove opened at the end of the locking rod, and the inner surface of the nut can be fitted with the other side surface of the base body. At this point, the fixing rod can be fixed in the fixing hole by the locking rod, so that the fixing rod can be moved at will, so that the current transformer body can be firmly installed between the base body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the utility model.

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the base body of the utility model.

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the current transformer body of the utility model.

[0018] In the figure: 1. Base body; 11. Placement slot; 12. Fixing hole; 13. Through hole; 14. Magnet plate; 2. Current transformer body; 21. Fixing plate; 22. Fixing rod; 23. Locking hole; 24. Mounting plate; 25. Handle rod; 3. Locking rod; 31. Limit plate; 32. Handle; 33. Nut. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] according to Figure 1-Figure 3 As shown, it includes a base body 1, a placement groove 11 is provided at the middle position of the top of the base body 1, and fixing holes 12 are provided at the positions on both sides of the top of the base body 1, through holes 13 are installed at the positions on both sides of the interior of the base body 1, and a magnet plate 14 is installed at the position below the through hole 13 on one side of the base body 1, and the shape of the magnet plate 14 is an arc setting, and the curvature of the inner wall of the magnet plate 14 is adapted to the curvature of the side surface of the limit plate 31, and the inner wall of the magnet plate 14 is fitted with the side surface of the limit plate 31 and is adsorbed and fixed accordingly.

[0021] The current transformer body 2 is placed inside the placement slot 11, and fixing plates 21 are installed on both sides of the current transformer body 2 near the bottom. The interior of the fixing plate 21 is movably connected to the fixing rod 22, and the interior of the fixing rod 22 is provided with a locking hole 23. The inner diameter of the locking hole 23 is adapted to the outer diameter of the locking rod 3, and one end of the locking rod 3 passes through the interior of the fixing rod 22 through the locking hole 23. The outer diameter of the fixing rod 22 is adapted to the inner diameter of the fixing hole 12, and the bottom end of the fixing rod 22 extends into the interior of the fixing hole 12 and is movably connected thereto. A mounting disk 24 is installed at the top of the fixing rod 22, and a hand-held rod 25 is installed at the top of the mounting disk 24.

[0022] A locking rod 3 is movably inserted into the through hole 13, and a limit plate 31 is installed at one end of the locking rod 3. One end of the locking rod 3 passes through the interior of the base body 1 through the through hole 13. A handle 32 is installed on one side of the limit plate 31. A threaded groove is provided at the end of the locking rod 3, and a nut 33 is movably screwed to the end of the locking rod 3 through the threaded groove.

[0023] During installation, the user can place the current transformer body 2 in the placement slot 11, so that the two sets of fixing plates 21 can be overlapped on the top of the base body 1. After that, the user can insert the fixing rod 22 into the interior of the fixing plate 21 by holding the rod 25, and make the bottom end of the fixing rod 22 extend into the interior of the fixing hole 12, so that the bottom end of the mounting plate 24 can be overlapped on the top of the fixing plate 21. After that, one end of the locking rod 3 can be passed through the through hole 13 into the interior of the base body 1 through the handle 32, and at the same time, through the interior of the fixing rod 22 through the locking hole 23, so that one end of the locking rod 3 can be locked through the locking hole 23. The fixed hole 23 is plugged into the interior of the fixing rod 22. At the same time, the inner surface of the limit plate 31 can be fitted with one side surface of the base body 1, and the side surface of the limit plate 31 can be fitted with the inner wall of the magnet plate 14 and fixed accordingly. Finally, the nut 33 can be movably screwed to the threaded groove opened at the end of the locking rod 3, and the inner surface of the nut 33 can be fitted with the other side surface of the base body 1. At this point, the fixing rod 22 can be fixed in the fixing hole 12 by the locking rod 3, so that the fixing rod 22 can be moved at will, so that the current transformer body 2 can be firmly installed between the base body 1.

[0024] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixed base for a low-voltage current transformer, comprising a base body (1), characterized in that: The top of the base body (1) is provided with a placement groove (11) at the middle position, and the top of the base body (1) is provided with fixing holes (12) at the two sides, the inside of the base body (1) is provided with through holes (13) at the two sides, and a magnet plate (14) is provided at a position below the through holes (13) on one side of the base body (1), the current transformer body (2) is placed inside the placement groove (11), and the two sides of the current transformer body (2) are provided with magnet plates (14) at the bottom. A fixing plate (21) is provided, wherein the interior of the fixing plate (21) is movably connected to the fixing rod (22), and the interior of the fixing rod (22) is provided with a locking hole (23), a locking rod (3) is movably connected to the interior of the through hole (13), and a limiting plate (31) is installed at one end of the locking rod (3), a handle (32) is installed at one side of the limiting plate (31), a threaded groove is provided at the end of the locking rod (3), and a nut (33) is movably screwed to the end of the locking rod (3) through the threaded groove.

2. A fixed base for a low-voltage current transformer according to claim 1, characterized in that: The top end of the fixing rod (22) is provided with a mounting plate (24), and the top end of the mounting plate (24) is provided with a hand-held rod (25).

3. The fixing base for a low-voltage current transformer according to claim 1, characterized in that: The outer diameter of the fixing rod (22) is adapted to the inner diameter of the fixing hole (12), and the bottom end of the fixing rod (22) extends into the interior of the fixing hole (12) and is movably engaged therewith.

4. The fixing base for a low-voltage current transformer according to claim 1, characterized in that: The inner diameter of the locking hole (23) is matched with the outer diameter of the locking rod (3), and one end of the locking rod (3) passes through the locking hole (23) and penetrates the interior of the fixing rod (22).

5. The fixing base for a low-voltage current transformer according to claim 1, characterized in that: One end of the locking rod (3) passes through the interior of the base body (1) through a through hole (13).

6. The fixing base for a low-voltage current transformer according to claim 1, characterized in that: The shape of the magnet plate (14) is an arc, and the curvature of the inner wall of the magnet plate (14) is adapted to the curvature of the side surface of the limiting plate (31).

7. The fixing base for a low-voltage current transformer according to claim 1, characterized in that: The inner wall of the magnet plate (14) is fitted with the side surface of the limiting plate (31) and is fixed by adsorption.

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