Annular inductor

By designing a transmission structure in the annular inductor to drive the swing of the extension rod and the bracket, combined with components such as reinforcement ribs, the existing annular inductor tilt problem is solved, and the stable support of the inductor coil and the improvement of magnetic field uniformity is achieved.

CN222213908UActive Publication Date: 2024-12-20SUZHOU YUANSHI MATERIAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420847296.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2024-12-20
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

The existing annular inductor is mainly supported and installed through two pins, resulting in tilt and affecting the uniformity of the magnetic field distribution.

Method used

A ring inductor including inductor coil, bearing plate, support structure and transmission structure is designed. The extension rod and bracket swing through the transmission structure to achieve extrusion support of the inductor coil, prevent tilting, and pass reinforcement, insulation plate, Components such as frames, rotors, screw sleeves and compression springs improve connection stability and operational ease.

Benefits of technology

It effectively prevents the inductor coil from tilting, saves the operating steps of the adjustment bracket, improves the connection strength and stability, reduces the impact of friction and wear and vibration, and ensures the uniformity of the magnetic field distribution.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222213908U_ABST
    Figure CN222213908U_ABST
Patent Text Reader

Abstract

The utility model discloses an annular inductor which comprises an inductance coil, a bearing plate arranged at the bottom of the inductance coil and a pin electrically connected to the output end of the inductance coil, a supporting structure located on the top of the bearing plate is arranged on the surface of the inductance coil, and a transmission structure located on the inner side of the supporting structure is arranged on the top of the inductance coil. The supporting structure comprises a sleeve arranged in the inductance coil, the two ends of the sleeve penetrate through the inductance coil and extend to the two sides of the inductance coil, the two sides of the front face and the two sides of the back face of the sleeve are movably connected with supports through pin shafts, and the bottoms of the supports make contact with the top of the bearing plate. The extension rod is extruded through the transmission structure, the extension rod is extruded and drives the supports to swing with the pin shaft on the surface of the sleeve as the axis, and when the bottoms of the two supports are attached to the surface of the bearing plate, the effect of extruding and supporting the inductance coil is achieved, and the inductance coil is prevented from inclining.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of annular inductor processing, in particular to an annular inductor. Background Art

[0002] A toroidal inductor is an inductor device that is a coil wound into a ring shape. It has good magnetic coupling performance, so that multiple windings on the same toroidal inductor can achieve efficient electromagnetic coupling. In addition, toroidal inductors usually have large self-inductance and are suitable for applications that require high inductance values. Toroidal inductors are widely used in many fields, including but not limited to filters in AC power supplies, wireless communication equipment, converters, radio frequency circuits, and high-frequency applications. In these applications, toroidal inductors can remove high-frequency noise and fluctuations, provide larger inductance values ​​and good magnetic coupling characteristics. Structurally, there are many ways to wind toroidal inductor coils, such as single-sided winding and double-layer winding. Each method has its specific application scenarios and advantages. However, toroidal inductors also have some challenges in the manufacturing process. For example, since the wire is mainly bent manually, the process is mostly handled manually, which affects production efficiency to a certain extent.

[0003] However, the existing toroidal inductors are mainly supported and installed by two pins, and the insertion depth of the pins relies on manual detection, which makes the toroidal inductor prone to tilting. The tilted placement will affect its magnetic field, and the relative position of its internal coil and magnetic core will change, which may cause uneven or changed magnetic field distribution. Utility Model Content

[0004] 1. Technical problems to be solved by the utility model

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a toroidal inductor, aiming to solve the problem that the prior toroidal inductor is mainly supported and installed by two pins, and the insertion depth of the pins relies on manual detection, which causes the toroidal inductor to be prone to tilt. The tilted placement will affect its magnetic field, and the relative position of its internal coil and magnetic core will change, which may lead to uneven or changing magnetic field distribution.

[0006] 2. Technical solution

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A toroidal inductor comprises an inductor coil, a carrier plate arranged at the bottom of the inductor coil, and a pin electrically connected to the output end of the inductor coil, wherein the surface of the inductor coil is provided with a support structure located at the top of the carrier plate, the top of the inductor coil is provided with a transmission structure located inside the support structure, the support structure comprises a sleeve arranged inside the inductor coil, both ends of the sleeve penetrate the inductor coil and extend to both sides of the inductor coil, both sides of the front and back sides of the sleeve are movably connected with a bracket through a pin shaft, the bottom of the bracket contacts the top of the carrier plate, the side of the bracket close to the sleeve is fixedly connected with an extension rod, and the transmission structure can drive the extension rod to swing.

[0009] As a preferred solution of the utility model, the transmission structure includes a support frame arranged on the top of the inductor coil, the left and right sides of the support frame respectively extend to the two sides of the inductor coil and are fixedly connected to the surface of the sleeve, the top of the support frame is movably connected to a screw rod through a bearing, the surface of the screw rod is threadedly connected to a transmission plate, the left and right sides of the transmission plate are movably connected to a crank through a pin shaft, and the side of the crank away from the transmission plate is movably connected to the top of the extension rod.

[0010] As a preferred solution of the utility model, a reinforcing rib is fixedly connected to the outer side of the extension rod, and a side of the reinforcing rib away from the extension rod is fixedly connected to the outer side of the bracket.

[0011] As a preferred solution of the utility model, an insulating plate is fixedly connected to the bottom of the bracket, a side of the insulating plate away from the bracket is in contact with the top of the supporting plate, and the insulating plate is elastic.

[0012] As a preferred solution of the utility model, a frame sleeved on the surface of the screw is provided on the top of the transmission plate, the left and right sides of the frame both penetrate the transmission plate and are fixedly connected to the top of the support frame, and the frame and the transmission plate are slidably connected.

[0013] As a preferred solution of the utility model, the top end of the screw rod passes through the frame and extends to the top of the frame, and the top end of the screw rod is fixedly connected to a rotating wheel.

[0014] As a preferred solution of the utility model, a screw sleeve is fixedly connected to the bottom of the transmission plate, the screw sleeve is sleeved on the surface of the screw rod, and the screw sleeve and the screw rod are threadedly connected.

[0015] As a preferred solution of the utility model, a compression spring is fixedly connected to the top of the transmission plate, the compression spring is sleeved on the surface of the screw rod, and the compression spring is located inside the frame.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model extrude the extension rod through the transmission structure, and the extension rod is extruded and drives the bracket to swing with the pin shaft on the surface of the sleeve as the axis. When the bottoms of the two brackets are in contact with the surface of the bearing plate, the effect of extruding and supporting the inductor coil is achieved to prevent the inductor coil from tilting. By arranging the screw rod, the transmission plate and the crank, the two brackets can be controlled to swing at the same time, saving the operation steps of adjusting the brackets multiple times. By arranging the reinforcing ribs, the connection strength between the bracket and the extension rod can be improved, and the connection stability can be improved. By arranging the insulating plate, the bearing plate can be protected, and the wear of the bracket and the bearing plate during contact friction can be reduced. By arranging the frame, the screw rod can be supported and the transmission plate can be positioned at the same time. By arranging the rotating wheel, it can be convenient for users to rotate the screw rod, and the friction between the screw rod and the hand can be increased. By arranging the screw sleeve, the contact area between the screw rod and the transmission plate can be increased, and the thread meshing distance between the two can be increased. By arranging the compression spring, the transmission plate can be supported to ensure the meshing stability of the transmission plate and the screw rod, and the influence of vibration on it can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of a toroidal inductor of the utility model;

[0020] Figure 2 It is a left-side schematic diagram of the structure of a toroidal inductor of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of a toroidal inductor of the utility model;

[0022] Figure 4 The utility model is a schematic bottom view of the structure of a toroidal inductor.

[0023] In the figure: 1. inductor; 2. load-bearing plate; 3. pin; 4. support structure; 5. transmission structure; 6. sleeve; 7. bracket; 8. extension rod; 9. support frame; 10. screw rod; 11. transmission plate; 12. crank; 13. reinforcing rib; 14. insulating plate; 15. frame; 16. rotating wheel; 17. screw sleeve; 18. compression spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] Example:

[0026] See also Figure 1-4 The present embodiment provides a toroidal inductor, comprising an inductor coil 1, a carrier plate 2 arranged at the bottom of the inductor coil 1, a pin 3 electrically connected to the output end of the inductor coil 1, a support structure 4 located at the top of the carrier plate 2 is arranged on the surface of the inductor coil 1, a transmission structure 5 located inside the support structure 4 is arranged on the top of the inductor coil 1, the support structure 4 comprises a sleeve 6 arranged inside the inductor coil 1, both ends of the sleeve 6 penetrate the inductor coil 1 and extend to both sides of the inductor coil 1, both sides of the front and back sides of the sleeve 6 are movably connected with a bracket 7 through a pin shaft, the bottom of the bracket 7 contacts the top of the carrier plate 2, and the side of the bracket 7 close to the sleeve 6 is fixedly connected with an extension rod 8, the transmission structure 5 can drive the extension rod 8 to swing, and the extension rod 8 is squeezed by the transmission structure 5, and the extension rod 8 is squeezed and drives the bracket 7 to swing with the pin shaft on the surface of the sleeve 6 as the axis, and when the bottoms of the two brackets 7 are in contact with the surface of the carrier plate 2, the effect of squeezing and supporting the inductor coil 1 is achieved to prevent the inductor coil 1 from tilting.

[0027] In this embodiment, if Figure 3 As shown, the transmission structure 5 includes a support frame 9 arranged on the top of the inductor 1, the left and right sides of the support frame 9 extend to the two sides of the inductor 1 respectively and are fixedly connected to the surface of the sleeve 6, the top of the support frame 9 is movably connected with a screw rod 10 through a bearing, the surface of the screw rod 10 is threadedly connected with a transmission plate 11, the left and right sides of the transmission plate 11 are movably connected with a crank 12 through a pin shaft, and the side of the crank 12 away from the transmission plate 11 is movably connected to the top of the extension rod 8. By arranging the screw rod 10, the transmission plate 11 and the crank 12, the two brackets 7 can be controlled to swing at the same time, saving the operating steps of adjusting the brackets 7 multiple times.

[0028] In this embodiment, if Figure 4 As shown, a reinforcing rib 13 is fixedly connected to the outer side of the extension rod 8, and the side of the reinforcing rib 13 away from the extension rod 8 is fixedly connected to the outer side of the bracket 7. By providing the reinforcing rib 13, the connection strength between the bracket 7 and the extension rod 8 can be improved, and the connection stability can be improved.

[0029] In this embodiment, if Figure 4 As shown, an insulating plate 14 is fixedly connected to the bottom of the bracket 7, and the side of the insulating plate 14 away from the bracket 7 is in contact with the top of the supporting plate 2. The insulating plate 14 is elastic. By setting the insulating plate 14, the supporting plate 2 can be protected and the wear of the bracket 7 and the supporting plate 2 during contact friction can be reduced.

[0030] In this embodiment, if Figure 3As shown, a frame 15 is provided on the top of the transmission plate 11 and is sleeved on the surface of the screw rod 10. The left and right sides of the frame 15 both penetrate the transmission plate 11 and are fixedly connected to the top of the support frame 9. The frame 15 and the transmission plate 11 are slidably connected. By setting the frame 15, the screw rod 10 can be supported and the transmission plate 11 can be positioned at the same time.

[0031] In this embodiment, if Figure 4 As shown, the top end of the screw rod 10 passes through the frame 15 and extends to the top of the frame 15. The top end of the screw rod 10 is fixedly connected with a rotating wheel 16. By setting the rotating wheel 16, it is convenient for the user to rotate the screw rod 10, and the friction between the screw rod 10 and the hand can be increased.

[0032] In this embodiment, if Figure 3 As shown, a screw sleeve 17 is fixedly connected to the bottom of the transmission plate 11. The screw sleeve 17 is sleeved on the surface of the screw rod 10. The screw sleeve 17 and the screw rod 10 are threadedly connected. By providing the screw sleeve 17, the contact area between the screw rod 10 and the transmission plate 11 can be increased, and the thread engagement distance between the two can be increased.

[0033] In this embodiment, if Figure 4 As shown, a compression spring 18 is fixedly connected to the top of the transmission plate 11. The compression spring 18 is sleeved on the surface of the screw rod 10. The compression spring 18 is located inside the frame 15. By setting the compression spring 18, the transmission plate 11 can be supported to ensure the meshing stability of the transmission plate 11 and the screw rod 10, while reducing the impact of vibration on it.

[0034] Working principle: When the toroidal inductor is in use, first insert the inductor coil 1 into the interior of the carrier plate 2 through the pin 3, and then rotate the rotating wheel 16, which drives the screw 10 to rotate. The screw 10 uses the thread to push the transmission plate 11 to move downward. During the movement, the transmission plate 11 uses the crank 12 to squeeze the extension rod 8. The extension rod 8 is squeezed and drives the bracket 7 to swing around the pin shaft on the surface of the sleeve 6. When the bottoms of the two brackets 7 are in contact with the surface of the carrier plate 2, the effect of squeezing and supporting the inductor coil 1 is achieved to prevent the inductor coil 1 from tilting.

[0035] All technical features in this embodiment can be freely combined according to actual needs.

[0036] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A toroidal inductor, comprising an inductor coil (1), a carrier plate (2) arranged at the bottom of the inductor coil (1), and a pin (3) electrically connected to an output end of the inductor coil (1). Features: The surface of the inductor (1) is provided with a support structure (4) located at the top of the carrier plate (2); the top of the inductor (1) is provided with a transmission structure (5) located inside the support structure (4); the support structure (4) comprises a sleeve (6) arranged inside the inductor (1); both ends of the sleeve (6) penetrate the inductor (1) and extend to both sides of the inductor (1); both sides of the front and back of the sleeve (6) are movably connected to a bracket (7) via a pin shaft; the bottom of the bracket (7) contacts the top of the carrier plate (2); the side of the bracket (7) close to the sleeve (6) is fixedly connected to an extension rod (8); and the transmission structure (5) can drive the extension rod (8) to swing.

2. A toroidal inductor according to claim 1, Features: The transmission structure (5) comprises a support frame (9) arranged on the top of the inductor (1), the left side and the right side of the support frame (9) respectively extending to the two sides of the inductor (1) and fixedly connected to the surface of the sleeve (6), the top of the support frame (9) is movably connected to a screw rod (10) via a bearing, the surface of the screw rod (10) is threadedly connected to a transmission plate (11), the left side and the right side of the transmission plate (11) are movably connected to a crank (12) via a pin shaft, and the crank (12) is movably connected to the top of the extension rod (8) on a side away from the transmission plate (11).

3. A toroidal inductor according to claim 1, Features: A reinforcing rib (13) is fixedly connected to the outer side of the extension rod (8), and a side of the reinforcing rib (13) away from the extension rod (8) is fixedly connected to the outer side of the bracket (7).

4. A toroidal inductor according to claim 1, Features: An insulating plate (14) is fixedly connected to the bottom of the bracket (7), and a side of the insulating plate (14) away from the bracket (7) is in contact with the top of the supporting plate (2), and the insulating plate (14) is elastic.

5. A toroidal inductor according to claim 2, Features: A frame (15) is provided on the top of the transmission plate (11) and is sleeved on the surface of the screw rod (10). The left and right sides of the frame (15) both penetrate the transmission plate (11) and are fixedly connected to the top of the support frame (9). The frame (15) and the transmission plate (11) are slidably connected.

6. A toroidal inductor according to claim 5, Features: The top end of the screw rod (10) passes through the frame (15) and extends to the top of the frame (15), and the top end of the screw rod (10) is fixedly connected to a rotating wheel (16).

7. A toroidal inductor according to claim 2, Features: A screw sleeve (17) is fixedly connected to the bottom of the transmission plate (11), the screw sleeve (17) is sleeved on the surface of the screw rod (10), and the screw sleeve (17) and the screw rod (10) are threadedly connected.

8. A toroidal inductor according to claim 5, Features: A compression spring (18) is fixedly connected to the top of the transmission plate (11), and the compression spring (18) is sleeved on the surface of the screw rod (10). The compression spring (18) is located inside the frame (15).