CN219610178U - Penetrating screw rod assembly based on transformer core - Google Patents

Abstract

The utility model discloses a threading screw assembly based on a transformer iron core, wherein a sealing fixing assembly is arranged at the end part of a half screw, anti-loosening screw holes are symmetrically formed in the top surface of a nut, anti-loosening screws are arranged in the anti-loosening screw holes through threads, a fixing gasket is arranged below the nut, a sealing groove is formed in the bottom surface of the fixing gasket, a rubber ring is embedded in the sealing groove, a magnetic ring is embedded in the extrusion hole, and the bottom surface of the magnetic ring is adhered with an extrusion ring.

Description

Penetrating screw rod assembly based on transformer core

Technical Field

The utility model relates to the technical field of transformer accessories, in particular to a core-penetrating screw assembly based on a transformer core.

Background

The transformer iron core is a main magnetic circuit part in the transformer, is generally formed by stacking hot-rolled or cold-rolled silicon steel sheets with higher silicon content and insulating paint coated on the surfaces, and the iron core and coils wound on the iron core form a complete electromagnetic induction system, so that the iron core is firm and usually needs to be fixed by using a penetrating screw, and an insulating layer is generally coated on the outer side of the screw.

But the core screw rod subassembly of transformer core in the present market is in the use, leads to the nut to become flexible because of the shake easily, and the nut hookup location is easy to permeate water, leads to threaded connection part rust, is difficult to dismantle the maintenance.

Disclosure of Invention

The utility model provides a penetrating screw rod assembly based on a transformer iron core, which can effectively solve the problems that in the using process of the penetrating screw rod assembly of the transformer iron core, nuts are easy to loosen due to shaking, water is easy to permeate into the connecting position of the nuts, the threaded connecting part is rusted, and the disassembly and the maintenance are difficult.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sealing and fixing assembly comprises a nut, a locking screw hole, a locking screw, a fixing gasket, a sealing groove, a rubber ring, an extrusion hole, a magnetic ring and an extrusion ring;

the end part of the half screw rod is sleeved with a nut through threads, anti-loosening screw holes are symmetrically formed in the top surface of the nut, anti-loosening screws are arranged in the anti-loosening screw holes through threads, a fixed gasket is arranged below the nut, a sealing groove is formed in the bottom surface of the fixed gasket, a rubber ring is inlaid in the sealing groove, an extrusion hole is formed in the top surface of the sealing groove, a magnetic ring is inlaid in the extrusion hole, and an extrusion ring is bonded on the bottom surface of the magnetic ring.

Preferably, the diameter of the anti-loosening screw hole is equal to the diameter of the top end of the anti-loosening screw, and the bottom end of the anti-loosening screw is a rough plane.

Preferably, the diameter of the sealing groove is equal to the outer diameter of the rubber ring, and the bottom end of the sealing groove is flush with the bottom surface of the rubber ring.

Preferably, chamfer angles are formed on the top edge of the inner ring of the rubber ring and the bottom edge of the extrusion ring, and the inner diameter of the rubber ring is equal to the outer diameter of the extrusion ring.

Preferably, one end of the half screw rod far away from the nut is connected with an internal thread pipe through threads, the two internal thread pipes are symmetrically welded at two ends of the rotating block respectively, an extrusion screw hole is formed in one end of the internal thread pipe close to the half screw rod of the plate, an anti-rotation groove is formed in the middle of the inside of the extrusion screw hole, a sliding plate is arranged in the anti-rotation groove in a sliding mode, an extrusion block is welded at one end of the sliding plate, and an extrusion screw is arranged at one end of the extrusion screw hole through threads.

Preferably, the anti-rotation groove is a regular hexagon groove, the sliding plate is a regular hexagon block, and threads are formed on the extrusion block close to the internal thread pipe.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use;

1. be provided with sealed fixed subassembly, when installing the nut, fixed gasket is put in the nut bottom, the rubber ring is embedded in inside the seal groove, the extrusion ring is embedded in the extrusion is downthehole, when rotating the nut and remove, the extrusion ring gets into the extrusion ring gradually, this in-process rubber ring can be by extrusion deformation to be full of the seal groove, make junction gap between nut and the iron core littleer, water is difficult for getting into, the locking screw in the locking screw of rethread, locking screw promotes nut and screw joint inseparabler, it is difficult for becoming flexible more, it is more firm to connect.

2. The screw rod is provided with an internal thread pipe, a rotating block, an extruding block and an extruding screw, the two half screw rods are prolonged through the internal thread pipe, the total length of the connecting screw rods is adjusted according to requirements, the extruding screw is rotated in the extruding screw hole, the extruding block is pushed to be close to the half screw rods, looseness is prevented from being generated between the connection of the internal thread pipe and the half screw rods, and the connection strength is further improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the seal and holder assembly of the present utility model;

FIG. 3 is a schematic view of the structure of the area A of FIG. 3 according to the present utility model;

FIG. 4 is a schematic view of the mounting structure of the extrusion block of the present utility model;

reference numerals in the drawings: 1. a half screw;

2. a seal-fixing assembly; 201. a nut; 202. a locking screw hole; 203. a locking screw; 204. fixing the gasket; 205. sealing grooves; 206. a rubber ring; 207. extruding the hole; 208. a magnetic ring; 209. a pressing ring;

3. an internally threaded tube; 4. a rotating block; 5. extruding the screw holes; 6. an anti-rotation groove; 7. a sliding plate; 8. extruding a block; 9. the screw is pressed.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1-4, the utility model provides a technical scheme of a penetrating screw assembly based on a transformer core, which comprises a half screw 1, wherein a sealing and fixing assembly 2 is arranged at the end part of the half screw 1, and the sealing and fixing assembly 2 comprises a nut 201, a locking screw hole 202, a locking screw 203, a fixing gasket 204, a sealing groove 205, a rubber ring 206, a pressing hole 207, a magnetic ring 208 and a pressing ring 209;

the end of the half screw rod 1 is sleeved with a nut 201 through threads, a locking screw hole 202 is symmetrically formed in the top surface of the nut 201, a locking screw 203 is installed in the locking screw hole 202 through threads, the diameter of the locking screw 202 is equal to that of the top end of the locking screw 203, the bottom end of the locking screw 203 is a rough plane, the locking screw 203 is more stably installed in the locking screw 202, a fixed gasket 204 is arranged below the nut 201, a sealing groove 205 is formed in the bottom surface of the fixed gasket 204, a rubber ring 206 is inlaid in the sealing groove 205, the diameter of the sealing groove 205 is equal to the outer diameter of the rubber ring 206, the bottom end of the sealing groove 205 is flush with the bottom surface of the rubber ring 206, the rubber ring 206 is convenient to fill in the sealing groove 205, an extrusion hole 207 is formed in the top surface of the sealing groove 205, a magnetic ring 208 is inlaid in the extrusion hole 207, the bottom surface of the magnetic ring 208 is adhered with an extrusion ring 209, the top end edge of the inner ring 206 and the bottom end edge of the extrusion ring 209 are both provided with chamfers, and the inner diameter of the rubber ring 206 is equal to the outer diameter of the extrusion ring 209.

The nut 201 one end is kept away from to half screw rod 1 has internal thread pipe 3 through threaded connection, two internal thread pipes 3 symmetry respectively weld in rotating block 4 both ends, extrusion screw 5 has been seted up to internal thread pipe 3 near half screw rod 1 one end of board, extrusion screw 5 inside middle part has been seted up and has been prevented changeing groove 6, prevent changeing groove 6 inside slidable mounting has sliding plate 7, prevent changeing groove 6 and be regular hexagon groove, sliding plate 7 is regular hexagon piece, extrusion piece 8 is close to internal thread pipe 3 department and sets up the screw thread, prevent extrusion piece 8 tip extrusion destruction half screw 1's screw thread, the welding of sliding plate 7 one end has extrusion piece 8, extrusion screw 5 one end has extrusion screw 9 through threaded mounting.

The working principle and the using flow of the utility model are as follows: after the single half screw 1 passes through the iron core, the nuts 201 are arranged at the two ends of the half screw 1, the fixing gaskets 204 are arranged at the gaps between the nuts 201 and the connecting parts, the rubber rings 206 are filled in the sealing grooves 205, the magnetic rings 208 are adsorbed in the extrusion holes 207, the rotary extrusion rings 209 are embedded in the extrusion holes 207, when the rotary nuts 201 move, the extrusion rings 209 gradually enter the extrusion rings 209, the rubber rings 206 are extruded and deformed in the process, and the sealing grooves 205 are filled, so that the gaps at the connecting parts between the nuts 201 and the iron core are smaller, water is not easy to enter, the locking screws 203 in the locking screw holes 202 are rotated, the locking screws 203 push the nuts 201 and the threaded clamping parts to be tighter, the locking screws are not easy to loosen, and the connection is firmer;

if the length of the half screw 1 is insufficient, the two half screws 1 respectively penetrate through the two aligned mounting holes, the internal thread pipes 3 at the two ends of the rotating block 4 are respectively connected to the end parts of the two plate threaded rods 1, the rotating block 4 rotates to adjust the length of the combined half screw 1, then the extrusion screw 9 is rotated in the extrusion screw hole 5 to push the extrusion block 8 to be close to the half screw 1, looseness is prevented from being generated between the connection of the internal thread pipes 3 and the half screw 1, the connection strength is further improved, then the nut 201 is installed, and the connection is firm and the use is convenient.

Finally, it should be noted that: the foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a wear core screw rod subassembly based on transformer core, includes half screw rod (1), its characterized in that: the end part of the half screw rod (1) is provided with a sealing and fixing assembly (2), and the sealing and fixing assembly (2) comprises a nut (201), a locking screw hole (202), a locking screw (203), a fixing gasket (204), a sealing groove (205), a rubber ring (206), an extrusion hole (207), a magnetic ring (208) and an extrusion ring (209);

half screw rod (1) tip has cup jointed nut (201) through the screw thread, locking screw (202) have been seted up to nut (201) top surface symmetry, locking screw (203) have been installed through the screw thread to locking screw (202) inside, nut (201) below is provided with fixed gasket (204), seal groove (205) have been seted up to fixed gasket (204) bottom surface, seal groove (205) inside is inlayed and is had rubber ring (206), extrusion hole (207) have been seted up to seal groove (205) top surface, extrusion hole (207) inside is inlayed and is had magnetic ring (208), the bonding of magnetic ring (208) bottom surface has extrusion ring (209).

2. The transformer core-based feed-through screw assembly according to claim 1, wherein the diameter of the locking screw hole (202) is equal to the diameter of the top end of the locking screw (203), and the bottom end of the locking screw (203) is a rough plane.

3. The transformer core-based feed-through screw assembly of claim 1, wherein the diameter of the seal groove (205) is equal to the outer diameter of the rubber ring (206), and the bottom end of the seal groove (205) is flush with the bottom surface of the rubber ring (206).

4. The transformer core-based feed-through screw assembly according to claim 1, wherein the inner ring top edge of the rubber ring (206) and the bottom edge of the extrusion ring (209) are both provided with chamfers, and the inner diameter of the rubber ring (206) is equal to the outer diameter of the extrusion ring (209).

5. The through screw assembly based on the transformer core according to claim 1, characterized in that one end of the half screw rod (1) far away from the nut (201) is connected with an internal thread pipe (3) through threads, the two internal thread pipes (3) are symmetrically welded at two ends of the rotating block (4) respectively, an extrusion screw hole (5) is formed in one end of the internal thread pipe (3) close to the half screw rod (1) of the plate, an anti-rotation groove (6) is formed in the middle of the inside of the extrusion screw hole (5), a sliding plate (7) is mounted in the anti-rotation groove (6) in a sliding mode, an extrusion block (8) is welded at one end of the sliding plate (7), and an extrusion screw (9) is mounted at one end of the extrusion screw hole (5) through threads.

6. The transformer core-based through screw assembly according to claim 5, wherein the anti-rotation groove (6) is a regular hexagonal groove, the sliding plate (7) is a regular hexagonal block, and the extrusion block (8) is provided with threads close to the internally threaded pipe (3).