Double-shielding mutual inductor

Abstract

The utility model relates to the technical field of mutual inductors, in particular to a double-shielding mutual inductor which comprises a lower shell, the inner wall of the lower shell is fixedly connected with a wiring terminal, the top of the wiring terminal is fixedly connected with an inner cylinder, the outer surface of the inner cylinder is provided with a clamping groove, the inner wall of the clamping groove is fixedly connected with a clamping plate, and the inner wall of the clamping plate is fixedly connected with an outer cylinder. One end of the clamping plate is fixedly connected with an iron core, the top of the lower shell is fixedly connected with an upper shell, the top of the upper shell is fixedly connected with a rotating shaft A, one end of the rotating shaft A is fixedly connected with a protective shell, and the inner wall of the protective shell is fixedly connected with an inner shell. According to the double-shielding mutual inductor, through the arrangement of the lower shell, the wiring terminal, the inner barrel, the clamping plate and the iron core, when the double-shielding mutual inductor is used, a worker connects one end of the clamping plate into a clamping groove in the surface of the inner barrel, the other end of the clamping plate is connected into a clamping groove of the iron core, the worker can conveniently assemble and disassemble the double-shielding mutual inductor, and the working efficiency of the worker in the working process is improved; and the workload of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mutual inductors, in particular to a double-shielded mutual inductor. Background Art

[0002] When the magnetic field frequency is lower than 100kHz, soft magnetic materials are usually used to shunt the interfering magnetic field, concentrating the magnetic lines of force inside and limiting their large-scale dissipation in the air. In the field of instrumentation analysis and measurement and control, transformers and mutual inductors are widely used.

[0003] A double-shielded mutual inductor disclosed in the Chinese utility model patent application disclosure specification CN212303320U includes a lower cover body, a mounting cavity is provided in the lower cover body, a lower cover inner cylinder is provided at the center of the mounting cavity, an inner cylinder cavity is provided in the lower cover inner cylinder, an iron core body is composed of an iron core cylinder body and an iron core winding block, a sleeve hole is provided on the iron core cylinder body, the sleeve hole is sleeved on the outer wall of the lower cover inner cylinder, an anti-slip buffer pad is provided between the inner hole wall of the sleeve hole and the outer wall of the lower cover inner cylinder, a limited stopper is provided at one end of the iron core winding block close to the outer wall of the iron core cylinder, a through hole is provided on the iron core cylinder body, a column rod is slidably sleeved in the through hole, and a connecting block and a hook ring are provided on the column rod. The winding is realized to carry out orderly group winding, avoid winding chaos, and improve the winding stability of the whole winding on the T-shaped iron core winding block, avoid the phenomenon of the winding slipping on the T-shaped iron core winding block, and improve the installation convenience and buffering of the iron core body as a whole.

[0004] However, the device lacks the function of easy installation and disassembly. When in use, it takes a lot of time for the staff to install and disassemble the device, which causes a lot of trouble and makes it inconvenient for the staff to work. Not only that, the device also lacks the function of protecting the interior. When in use, the device cannot effectively waterproof the internal parts, which causes a lot of trouble and even poses certain safety hazards. Utility Model Content

[0005] The purpose of the utility model is to provide a double-shielded mutual inductor to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A double-shielded mutual inductor, comprising

[0008] A lower shell, wherein the inner wall of the lower shell is fixedly connected with a wiring terminal, the top of the wiring terminal is fixedly connected with an inner cylinder, the outer surface of the inner cylinder is provided with a slot, the inner wall of the slot is fixedly connected with a clamping plate, and one end of the clamping plate is fixedly connected with an iron core;

[0009] The top of the lower shell is fixedly connected to the upper shell, the top of the upper shell is fixedly connected to the rotating shaft A, one end of the rotating shaft A is fixedly connected to a protective shell, the inner wall of the protective shell is fixedly connected to the inner shell, and the inner wall of the inner shell is fixedly connected to a waterproof pad.

[0010] Preferably, a support plate is fixedly connected to the top of the lower shell, and a fixing plate is fixedly connected to the lower surface of the support plate.

[0011] Preferably, a fixing block is fixedly connected to the outer surface of the upper shell, a rotating shaft B is fixedly connected to the outer surface of the fixing block, and a plug plate is rotatably connected to the outer surface of the rotating shaft B.

[0012] Preferably, the top of the lower shell is rotatably connected to a rotating shaft C, and the outer surface of the rotating shaft C is rotatably connected to the bottom of the upper shell.

[0013] Preferably, a thread groove is provided on the top of the fixing plate, and a fixing screw is threadedly connected to the inner wall of the thread groove.

[0014] Preferably, a connecting block is fixedly connected to the outer surface of the lower shell, a threaded groove is provided at the top of the rectangular groove, and a limiting screw is threadedly connected to the inner wall of the threaded groove.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. This double-shielded mutual inductor is arranged through the lower shell, terminal blocks, inner tube, card plate and iron core. When in use, the staff connects one end of the card plate to the card groove on the surface of the inner tube and the other end to the card groove of the iron core, which is convenient for the staff to install and disassemble the device, improves the work efficiency of the staff during work, and reduces the workload of the staff.

[0017] 2. This double-shielded mutual inductor is provided with a rotating shaft A, a protective shell, an inner shell and a waterproof pad. When in use, the staff can rotate the rotating shaft A to allow the protective shell to cover the surface of the device. The inner wall of the protective shell is provided with an inner shell, and the inner shell is provided with a waterproof pad. The parts inside the device can be effectively waterproofed, thereby improving the comprehensiveness and integrity of the device and reducing the safety hazards of the device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view of a double-shielded mutual inductor of the utility model;

[0019] Figure 2 This is an internal schematic diagram of a double-shielded transformer of the utility model;

[0020] Figure 3 A schematic diagram of a protective shell of a double-shielded transformer of the utility model;

[0021] Figure 4 The utility model is a disassembly schematic diagram of a double-shielded transformer.

[0022] In the figure: 1. lower shell; 2. terminal; 3. inner tube; 4. clamping plate; 5. iron core; 6. upper shell; 7. shaft A; 8. protective shell; 9. inner shell; 10. waterproof pad; 11. support plate; 12. fixing plate; 13. fixing block; 14. shaft B; 15. shaft C; 16. fixing screw; 17. connecting block; 18. limit screw; 19. plug-in board. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-Figure 4 As shown, the utility model provides a technical solution: a double-shielded mutual inductor, comprising

[0025] A lower housing 1, the inner wall of which is fixedly connected with a terminal 2, the top of which is fixedly connected with an inner cylinder 3, the outer surface of which is provided with a slot, the inner wall of which is fixedly connected with a card plate 4, one end of which is fixedly connected with an iron core 5;

[0026] The top of the lower shell 1 is fixedly connected to the upper shell 6, the top of the upper shell 6 is fixedly connected to the rotating shaft A7, one end of the rotating shaft A7 is fixedly connected to the protective shell 8, the inner wall of the protective shell 8 is fixedly connected to the inner shell 9, and the inner wall of the inner shell 9 is fixedly connected to the waterproof pad 10; through the arrangement of the lower shell 1, the wiring terminal 2, the inner cylinder 3, the card plate 4 and the iron core 5, when in use, the staff connects one end of the card plate 4 to the card groove on the surface of the inner cylinder 3, and the other end to the card groove of the iron core 5, which is convenient for the staff to install and disassemble the device, improves the work efficiency of the staff when working, and reduces the workload of the staff. Through the arrangement of the rotating shaft A7, the protective shell 8, the inner shell 9 and the waterproof pad 10, when in use, the staff can rotate the rotating shaft A7 to let the protective shell 8 cover the surface of the device, the inner wall of the protective shell 8 is provided with the inner shell 9, and the inner shell 9 is provided with the waterproof pad 10, which can effectively waterproof the parts inside the device, improve the comprehensiveness and integrity of the device, and reduce the safety hazards of the device when in use.

[0027] In this embodiment, preferably, a support plate 11 is fixedly connected to the top of the lower shell 1, and a fixing plate 12 is fixedly connected to the lower surface of the support plate 11; through the arrangement of the lower shell 1, the support plate 11 and the fixing plate 12, when in use, the support plate 11 provides stability and safety for the device, reducing the potential safety hazards of the device when in use.

[0028] In this embodiment, preferably, the outer surface of the upper shell 6 is fixedly connected to a fixed block 13, the outer surface of the fixed block 13 is fixedly connected to a rotating shaft B14, and the outer surface of the rotating shaft B14 is rotatably connected to an insert plate 19; through the arrangement of the upper shell 6, the fixed block 13, the rotating shaft B14 and the insert plate 19, when in use, the staff can adjust the rotating shaft B14 on the fixed block 13 to adjust the angular position of the insert plate 19, thereby improving the flexibility of the device.

[0029] In this embodiment, preferably, the top of the lower shell 1 is rotatably connected to the rotating shaft C15, and the outer surface of the rotating shaft C15 is rotatably connected to the bottom of the upper shell 6; through the arrangement of the lower shell 1, the rotating shaft C15 and the upper shell 6, when in use, the rotating shaft C15 connects the lower shell 1 and the upper shell 6, allowing it to be a flexible rotating shaft, thereby improving the functionality of the device and facilitating the use of the device by the staff.

[0030] In this embodiment, preferably, a thread groove is opened on the top of the fixing plate 12, and the inner wall of the thread groove is threadedly connected with a fixing screw 16; through the arrangement of the fixing plate 12 and the fixing screw 16, when in use, the fixing screw 16 stably fixes the fixing plate 12, thereby improving the stability and safety of the device and reducing the potential safety hazards when the device is used.

[0031] In this embodiment, preferably, the outer surface of the lower shell 1 is fixedly connected with a connecting block 17, the top of the rectangular groove is provided with a threaded groove, and the inner wall of the threaded groove is threadedly connected with a limiting screw 18; through the arrangement of the lower shell 1, the connecting block 17 and the limiting screw 18, when in use, the limiting screw 18 stably fixes the plug plate 19 in the rectangular groove of the connecting block 17, thereby improving the safety and stability of the device during use and facilitating the staff to separate and fix the upper shell 6 and the lower shell 1.

[0032] When a double-shielded mutual inductor of the present embodiment is in use, the staff connects one end of the card plate 4 to the card slot on the surface of the inner tube 3 and the other end to the card slot of the iron core 5, which is convenient for the staff to install and disassemble the device, improves the work efficiency of the staff when working, and reduces the workload of the staff. The staff can rotate the rotating shaft A7 to allow the protective shell 8 to cover the surface of the device. The inner wall of the protective shell 8 is provided with an inner shell 9, and the inner shell 9 is provided with a waterproof pad 10, which can effectively waterproof the parts inside the device, improve the comprehensiveness and integrity of the device, and reduce the safety hazards of the device when in use. The staff can adjust the rotating shaft B14 on the fixing block 13 to adjust the angular position of the plug plate 19. The limit screw 18 stably fixes the plug plate 19 in the rectangular groove of the connecting block 17, improves the safety and stability of the device when in use, and facilitates the staff to separate and fix the upper shell 6 and the lower shell 1.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A double-shielded mutual inductor, characterized in that: include A lower shell (1), wherein a wiring terminal (2) is fixedly connected to the inner wall of the lower shell (1), an inner cylinder (3) is fixedly connected to the top of the wiring terminal (2), a slot is provided on the outer surface of the inner cylinder (3), a clamping plate (4) is fixedly connected to the inner wall of the clamping plate, and an iron core (5) is fixedly connected to one end of the clamping plate (4); The top of the lower shell (1) is fixedly connected to the upper shell (6), the top of the upper shell (6) is fixedly connected to the rotating shaft A (7), one end of the rotating shaft A (7) is fixedly connected to the protective shell (8), the inner wall of the protective shell (8) is fixedly connected to the inner shell (9), and the inner wall of the inner shell (9) is fixedly connected to the waterproof pad (10).

2. A double-shielded mutual inductor according to claim 1, characterized in that: A support plate (11) is fixedly connected to the top of the lower shell (1), and a fixing plate (12) is fixedly connected to the lower surface of the support plate (11).

3. A double-shielded mutual inductor according to claim 1, characterized in that: The outer surface of the upper shell (6) is fixedly connected to a fixing block (13), the outer surface of the fixing block (13) is fixedly connected to a rotating shaft B (14), and the outer surface of the rotating shaft B (14) is rotatably connected to an insert plate (19).

4. A double-shielded mutual inductor according to claim 1, characterized in that: The top of the lower shell (1) is rotatably connected to a rotating shaft C (15), and the outer surface of the rotating shaft C (15) is rotatably connected to the bottom of the upper shell (6).

5. A double-shielded mutual inductor according to claim 2, characterized in that: A thread groove is formed on the top of the fixing plate (12), and a fixing screw (16) is threadedly connected to the inner wall of the thread groove.

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