Magnetic self-sealing plate

Abstract

The magnetic force self-sealing plate comprises a shielding plate, an adjustable magnetic attraction structure is arranged on the shielding plate, and an elastic sealing ring matched with the adjustable magnetic attraction structure in an adjusting mode is arranged on the outer side of the adjustable magnetic attraction structure in a sleeved mode. By the adoption of the structure, bolt installation is not needed, equipment interfaces are blocked through magnetic adsorption, gaps are sealed, and sundries, insects and mice are prevented from entering; by matching with the elasticity of the sealing ring, the magnetic suction caliber is properly adjusted to adapt to plugging of various equipment structures with different calibers; the device is simple in structure, convenient and flexible to operate and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance equipment for hydropower stations, in particular to a magnetic self-sealing plate. Background Art

[0002] In the past, metal plugs were used to seal the external interfaces of oil pipelines, vacuum pipes, oil tanks, oil pumps, oil filters and other tools and equipment pipelines when repairing oil-immersed transformers. Since metal plugs are bulky, storage and disassembly are laborious, and a large number of bolts are required. In order to reduce the difficulty and workload of the corresponding operations, it is necessary to design a self-sealing plate that is lightweight, bolt-free, easy to disassemble and assemble, and used to seal the interfaces of various non-pressure ferromagnetic equipment, and used together with metal plugs for the maintenance of oil-immersed transformers and other equipment. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a magnetic self-sealing plate, which does not need to be installed with bolts, seals the equipment interface through magnetic adsorption, seals the gap, and prevents debris, insects and mice from entering; cooperates with the elasticity of the sealing ring, appropriately adjusts the magnetic suction diameter, and is suitable for sealing and using equipment structures with different diameters; the device has a simple structure, is convenient and flexible to operate, and is highly practical.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a magnetic self-sealing plate, including a shielding plate, on which an adjustable magnetic attraction structure is provided, and the outer side of the adjustable magnetic attraction structure is covered with an elastic sealing ring that is adjusted and matched therewith.

[0005] In a preferred embodiment, the adjustable magnetic structure includes an adjusting screw that cooperates with the baffle plate thread, the end of the adjusting screw away from the handle is fixedly connected to the inner ring of the bearing, and a plurality of connecting seats are evenly distributed on the outer ring of the bearing. The connecting seat is hinged to one end of the adjusting arm, and the other end of the adjusting arm is hinged to one end of the telescopic arm through a connecting pin shaft. A magnetic plate is provided at the other end of the telescopic arm, and the telescopic arm cooperates with a limiting sleeve arranged on the baffle plate for limited movement.

[0006] In a preferred embodiment, the magnetic attraction plate is an arc-shaped strip plate.

[0007] In a preferred solution, handle structures are symmetrically provided on the shielding plate.

[0008] In a preferred solution, the elastic sealing ring is made of rubber magnetic material.

[0009] The magnetic self-sealing plate provided by the utility model has the following beneficial effects by adopting the above structure:

[0010] (1) No bolts are required for installation. The equipment interface is sealed by magnetic adsorption, and the gaps are sealed to prevent debris, insects and rodents from entering;

[0011] (2) According to the elasticity of the sealing ring, the magnetic suction diameter can be adjusted appropriately to adapt to the sealing of equipment structures with different diameters;

[0012] (3) The device has a simple structure, convenient and flexible operation, and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the adjustable magnetic attraction structure of the utility model.

[0017] In the figure: a shielding plate 1, a handle structure 2, an adjustable magnetic structure 3, an elastic sealing ring 4, an adjusting screw 5, a bearing 6, a connecting seat 7, an adjusting arm 8, a telescopic arm 9, a magnetic plate 10, and a limiting sleeve 11. DETAILED DESCRIPTION

[0018] like Figure 1-3 In the figure, the magnetic self-sealing plate comprises a shielding plate 1, on which an adjustable magnetic attraction structure 3 is arranged, and an elastic sealing ring 4 which is adjusted and matched with the adjustable magnetic attraction structure 3 is sleeved on the outer side.

[0019] In the preferred solution, the adjustable magnetic structure 3 includes an adjusting screw 5 threadedly matched with the shielding plate 1, the end of the adjusting screw 5 away from the handle is fixedly connected to the inner ring of the bearing 6, and a plurality of connecting seats 7 are evenly arranged on the outer ring of the bearing 6. The connecting seat 7 is hinged to one end of the adjusting arm 8, and the other end of the adjusting arm 8 is hinged to one end of the telescopic arm 9 through a connecting pin. The other end of the telescopic arm 9 is provided with a magnetic plate 10, and the telescopic arm 9 is limited and moved with a limiting sleeve 11 provided on the shielding plate 1. With the elasticity of the sealing ring, the magnetic suction caliber is appropriately adjusted, and it is suitable for sealing and using equipment structures with different calibers.

[0020] In the preferred solution, the magnetic plate 10 is an arc-shaped strip plate, which better fits the equipment interface pipeline or flange port, and evenly expands the elastic sealing ring 4, which is highly practical.

[0021] In a preferred solution, the shielding plate 1 is symmetrically provided with a handle structure 2, which is convenient for loading and unloading operations and easy for adjustment.

[0022] In a preferred solution, the elastic sealing ring 4 is made of rubber magnetic material, so that the elastic sealing ring 4 has adjustable elasticity and can properly adsorb the device interface and the shielding plate 1 on both sides to ensure sealing.

[0023] The method of using the utility model is as follows: when in use, the device is held by the handle structure 2, and then the adjusting screw 5 is rotated to extend or retract the telescopic arm 9, so that the magnetic suction plate 10 adapts to the adsorption and fixing requirements of the device interface, and can be directly magnetically installed and fixed to seal the device interface or flange pipe opening.

[0024] The beneficial effects of the utility model are as follows: no bolt installation is required, the equipment interface is sealed by magnetic adsorption, and the gap is sealed to prevent debris, insects and rodents from entering; the elasticity of the sealing ring is combined with the appropriate adjustment of the magnetic suction diameter, and it is suitable for sealing equipment structures with different diameters; the device has a simple structure, is easy and flexible to operate, and is highly practical.

Claims

1. A magnetic self-sealing plate, comprising a shielding plate (1), characterized in that: The shielding plate (1) is provided with an adjustable magnetic attraction structure (3), and the outer side of the adjustable magnetic attraction structure (3) is covered with an elastic sealing ring (4) that is adjusted and matched with the adjustable magnetic attraction structure (3); The adjustable magnetic attraction structure (3) comprises an adjusting screw (5) threadedly matched with the shielding plate (1); the end of the adjusting screw (5) away from the handle is fixedly connected to the inner ring of the bearing (6); a plurality of connecting seats (7) are evenly distributed on the outer ring of the bearing (6); the connecting seat (7) is hinged to one end of the adjusting arm (8); the other end of the adjusting arm (8) is hinged to one end of the telescopic arm (9) via a connecting pin; the other end of the telescopic arm (9) is provided with a magnetic attraction plate (10); the telescopic arm (9) is matched with a limiting sleeve (11) provided on the shielding plate (1) for limited movement.

2. The magnetic self-sealing plate according to claim 1, characterized in that: The magnetic attraction plate (10) is an arc-shaped strip plate.

3. The magnetic self-sealing plate according to claim 1, characterized in that: The shielding plate (1) is symmetrically provided with a handle structure (2).

4. The magnetic self-sealing plate according to claim 1, characterized in that: The elastic sealing ring (4) is made of rubber magnetic material.

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