CN220543696U

CN220543696U - Flat annular inductor

Info

Publication number: CN220543696U
Application number: CN202322200645.7U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Nanchong Chuanlei Electronic Technology Co ltd
Current assignee: Nanchong Chuanlei Electronic Technology Co ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-02-27
Anticipated expiration: 2033-08-16

Abstract

The utility model relates to the technical field of inductors, in particular to a flat annular inductor which comprises a base body and an annular magnetic core, wherein the front end of the top of the base body is fixedly connected with a front guard plate, the rear end of the top of the base body is fixedly connected with a rear guard plate, the middle parts of the rear guard plate and the front guard plate are respectively provided with a central square frame through integral forming, and a movable clamping plate is connected above the central square frame in a sliding manner.

Description

Flat annular inductor

Technical Field

The utility model relates to the technical field of inductors, in particular to a flat annular inductor.

Background

In the filter circuit, the flat annular inductor is a common electronic element, and because the flat wire is wound in a single layer, the parallel distance between turns of the wire is long, meanwhile, the winding is completely in a fan shape, and the structural characteristics of large contact surface with air can enable the flat annular inductor to fully dissipate heat when the flat inductor is electrified and run, and the main structure of the conventional flat annular inductor comprises a coil, a magnetic core, a base and other components;

in the actual existing flat toroidal inductor, when the magnetic core and the base are spliced together in the process of processing and manufacturing, and then the follow-up dispensing limiting operation is carried out, the magnetic core and the base are not effectively limited, so that the magnetic core is easy to shift in position, and after the finished product is manufactured, the phenomenon that the connection between the magnetic core and the base is unstable in structure is easy to occur due to the shift in position, so that the flat toroidal inductor is proposed for solving the problems.

Disclosure of Invention

The present utility model is directed to a flat toroidal inductor, which solves the problem that the unstable connection between the magnetic core and the base in the above-mentioned background art can cause the structural stability of the whole flat toroidal inductor after manufacturing.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a flat toroidal inductor, includes base body and annular magnetic core, the top front end fixedly connected with front guard plate of base body, and the top rear end fixedly connected with backplate of base body, the middle part of backplate and front guard plate is equipped with central square frame through integrated into one piece respectively, and the top sliding connection of central square frame has movable cardboard, the insulating depression bar is equipped with to the top position card in the middle of the movable cardboard, the inboard top position in the center square frame is equipped with short sleeve, and short telescopic middle part has inserted trapezoidal lead screw, the top outside cover of trapezoidal lead screw is equipped with the carousel, the top middle part threaded connection of movable cardboard has the extrusion screw, the arc groove has been seted up through integrated into one piece in the top face middle part of base body.

Preferably, the lower half end of the annular magnetic core is clamped at the inner side of the arc groove, a right coil winding is wound outside one side of the annular magnetic core, a left coil winding is wound outside the other side of the annular magnetic core, and the left coil winding and the right coil winding are symmetrically arranged.

Preferably, the front end and the rear end of the two sides of the base body are respectively provided with an insulating sleeve ring, the middle part of the insulating sleeve ring is inserted with a pin, and the pin on the two sides is respectively integrated with the left coil winding and the right coil winding.

Preferably, the height of the front guard plate is equal to that of the rear guard plate, and inclined plates are fixedly connected to one side ends of the rear guard plate and the front guard plate respectively.

Preferably, a sliding groove which is in sliding connection with the movable clamping plate is formed in the inner side of the central square frame, the central square frame and the trapezoidal screw rod are rotationally connected, the turntable is embedded and arranged at the upper position inside the central square frame, and the movable clamping plate is fixedly connected with the short sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the annular magnetic core, the turntable, the trapezoidal screw rod, the extrusion screw, the insulation compression rod, the short sleeve, the inclined plate and the movable clamping plate, the screw rod sensing structure is adjusted downwards, and after the insulation compression rod is limited at the top by assembling the extrusion screw, the insulation compression rod limits the magnetic core to the middle part of the base in a tight pressing mode, and the magnetic core which is vertically clamped can be pressed and limited before the magnetic core is fixed by subsequent dispensing operation, so that the phenomenon of position deviation of the magnetic core is prevented from easily occurring in the limiting operation of subsequent dispensing filling, and meanwhile, the structure stability of the magnetic core after the magnetic core is connected with the base can be improved by the limited structure, so that the technical problem in the background technology can be effectively solved.

Drawings

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

FIG. 2 is a schematic view of the structure of the base body of the present utility model;

FIG. 3 is a schematic view of the structure of the movable clamping plate of the present utility model;

FIG. 4 is a schematic view showing a cut-away structure of the toroidal core of the present utility model.

In the figure: 1. a base body; 2. a toroidal core; 3. a front guard board; 4. a central square frame; 5. a movable clamping plate; 6. an insulating compression bar; 7. a short sleeve; 8. a trapezoidal screw rod; 9. a turntable; 10. extruding a screw; 11. a rear guard board; 12. a sloping plate; 13. an arc groove; 14. a right coil winding; 15. a left coil winding; 16. an insulating collar; 17. pin needles.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a flat toroidal inductor, including base body 1 and toroidal core 2, the top front end fixedly connected with front guard plate 3 of base body 1, and the top rear end fixedly connected with back guard plate 11 of base body 1, the middle part of back guard plate 11 and front guard plate 3 is equipped with center square frame 4 through integrated into one piece respectively, and the top sliding connection of center square frame 4 has movable cardboard 5, insulating depression bar 6 has been blocked to the upper position in movable cardboard 5, the inboard upper middle position of center square frame 4 is equipped with short sleeve 7, and the middle part of short sleeve 7 is inserted and is equipped with trapezoidal lead screw 8, trapezoidal lead screw 8's top outside cover is equipped with carousel 9, the top middle part threaded connection of movable cardboard 5 has extrusion screw 10, arc groove 13 has been seted up through integrated into one piece in the top face middle part of base body 1.

As shown in fig. 1 and 4, the lower half end of the toroidal core 2 is clamped inside the arc slot 13, a right coil winding 14 is wound outside one side of the toroidal core 2, a left coil winding 15 is wound outside the other side of the toroidal core 2, the left coil winding 15 and the right coil winding 14 are symmetrically arranged, and the left coil winding 15 and the right coil winding 14 wound outside the toroidal core 2 respectively can play a role in blocking alternating current when the inductor is used.

As shown in fig. 1 and 2, the front and rear ends of two sides of the base body 1 are respectively provided with an insulating collar 16, the middle of the insulating collar 16 is inserted with a pin 17, the pin 17 on two sides is respectively integrated with the left coil winding 15 and the right coil winding 14, when the flat annular inductor is installed, the whole flat annular inductor can be quickly welded and fixed on a circuit board by respectively welding two groups of pin 17 under the limited cooperation of the insulating collars 16; the height of the front guard plate 3 and the height of the rear guard plate 11 are equal, and the rear guard plate 11 and one side end of the front guard plate 3 are fixedly connected with inclined plates 12 respectively, when the lower half end of the annular magnetic core 2 is to be clamped into the arc groove 13, a group of inclined plates 12 respectively connected with the rear guard plate 11 and the front guard plate 3 can provide guiding assistance for the annular magnetic core 2 when contacting the annular magnetic core 2, so that accurate clamping can be realized.

As shown in fig. 1, 2, 3 and 4, a sliding groove slidingly connected with the movable clamping plate 5 is formed in the inner side of the central square frame 4, the central square frame 4 and the trapezoidal screw rod 8 are rotatably connected, the turntable 9 is embedded and installed at the upper position inside the central square frame 4, the movable clamping plate 5 is fixedly connected with the short sleeve 7, a front group of movable clamping plates 5 and a rear group of movable clamping plates 5 are connected through an insulating pressing rod 6, and when the whole flat annular inductor is assembled, the insulating pressing rod 6 is assembled in place, and the whole flat annular inductor can limit the magnetic core to the middle of the base by using the insulating pressing rod.

The working flow is as follows: before the whole flat toroidal inductor is used, the inductor is connected into a filter circuit, when current passes through the whole flat toroidal inductor, under the arrangement of a right coil winding 14 and a left coil winding 15, the current can generate a magnetic field around, then the current change in the circuit can be counteracted by utilizing the generated induced potential, thereby realizing the function of inductance, the circuit normally operates, in addition, when the whole flat toroidal inductor is assembled, the toroidal magnetic core 2 can be accurately clamped with an arc groove 13 after contacting the inclined plane of a group of inclined plates 12, when a front screw rod structure and a rear screw rod structure are adjusted, so that a front movable clamping plate and a rear movable clamping plate 5 are arranged from inside to outside, when the front movable clamping plate and the rear movable clamping plate 5 are slidingly unfolded, the insulating pressing rod 6 inserted into the toroidal magnetic core 2 can be simultaneously clamped into and connected with a group of movable clamping plates 5, then the screw rod trapezoid 8 is rotated through a turntable 9, so that the short sleeve 7 can press down the insulating pressing rod 6 through the movable clamping plates 5, and after the top of the insulating pressing rod 6 is limited through an assembling extrusion screw 10, the insulating pressing rod 6 can be limited to the middle part of a base in a tight pressing manner.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A flat toroidal inductor comprising a base body (1) and a toroidal core (2), characterized in that: the novel anti-theft base is characterized in that the front end of the top of the base body (1) is fixedly connected with the front guard plate (3), the rear guard plate (11) is fixedly connected with the rear end of the top of the base body (1), the middle parts of the rear guard plate (11) and the front guard plate (3) are respectively provided with a central square frame (4) through integrated forming, the upper part of the central square frame (4) is slidably connected with a movable clamping plate (5), an insulating compression rod (6) is clamped at the upper middle position of the movable clamping plate (5), a short sleeve (7) is arranged at the middle upper middle position of the inner side of the central square frame (4), a trapezoidal screw (8) is inserted in the middle of the short sleeve (7), a turntable (9) is sleeved outside the upper part of the trapezoidal screw (8), an extrusion screw (10) is connected with the middle part of the top end surface of the movable clamping plate (5), and an arc groove (13) is formed through integrated forming.

2. A flat toroidal inductor as claimed in claim 1, wherein: the lower half end of the annular magnetic core (2) is clamped at the inner side of the arc groove (13), a right coil winding (14) is wound outside one side of the annular magnetic core (2), a left coil winding (15) is wound outside the other side of the annular magnetic core (2), and the left coil winding (15) and the right coil winding (14) are symmetrically arranged.

3. A flat toroidal inductor as claimed in claim 1, wherein: the base is characterized in that insulation lantern rings (16) are respectively arranged at the front end and the rear end of two sides of the base body (1), pin needles (17) are inserted into the middle of the insulation lantern rings (16), and the pin needles (17) at two sides are respectively integrally formed with the left coil winding (15) and the right coil winding (14).

4. A flat toroidal inductor as claimed in claim 1, wherein: the height of the front guard plate (3) is equal to that of the rear guard plate (11), and inclined plates (12) are fixedly connected to one side ends of the rear guard plate (11) and the front guard plate (3) respectively.

5. A flat toroidal inductor as claimed in claim 1, wherein: the inner side of the center square frame (4) is provided with a sliding groove which is in sliding connection with the movable clamping plate (5), the center square frame (4) is rotationally connected with the trapezoidal screw rod (8), the turntable (9) is embedded and arranged at the upper position inside the center square frame (4), the movable clamping plate (5) is fixedly connected with the short sleeve (7), and the front part and the rear part of the movable clamping plate (5) are connected through the insulating compression rod (6).