Split type magnetic device

Abstract

The utility model provides a split type magnetic device which comprises a framework and a coil, the framework comprises a winding frame and a base, the coil is wound on the winding frame, the base is provided with a plurality of terminals and a clamping strip bent towards the inner side of the base, a sliding groove is formed in the side face of the winding frame, and the clamping strip is clamped in the sliding groove so that the winding frame can be connected with the base. And the base or the framework can be replaced conveniently.

Description

Technical Field

[0001] This application relates to the field of magnetic device technology, specifically to a split-type magnetic device. Background Technology

[0002] Magnetic components used in electronic products are typically composed of a frame, coil, and magnetic core. The frame is used to provide space for winding wires, fix the magnetic core in the magnetic component, or provide a path for the wires when winding the magnetic component. Existing frames are usually one-piece molded designs, which are non-removable structures and inconvenient to replace. Utility Model Content

[0003] In view of this, this application provides a split magnetic device to facilitate the replacement of the base or winding frame.

[0004] This application provides a split magnetic device, including a frame and a coil. The frame includes a winding frame and a base. The coil is wound on the winding frame. The base has multiple terminals and a locking strip bent inwards. The side of the winding frame has a groove, and the locking strip engages in the groove to connect the winding frame to the base.

[0005] In some embodiments, the bottom of the slide groove has a locking groove, and the bent end of the locking strip has a locking block protruding toward the inside of the base, the locking block being engaged in the locking groove.

[0006] In some embodiments, the direction from the extended head end of the engaging strip toward the extended tail end of the engaging strip is a first direction, in which the width of the engaging block located near the extended head end of the engaging strip increases, and the width of the engaging block located near the extended tail end of the engaging strip decreases.

[0007] In some embodiments, the base has a limiting block located at the extended end of the engaging bar, the limiting block being used to control the movement distance of the winding frame.

[0008] In some embodiments, the width of the engagement strip increases at the portion of the extension near the head end of the engagement strip.

[0009] In some embodiments, the base further includes a carrier plate and a side plate. The carrier plate has a plurality of terminals and a through hole. The coil is located in the through hole. The side plate protrudes and is connected to both sides of the carrier plate. The protrusion direction of the side plate is perpendicular to the first direction. The side plate opposite to the carrier plate is connected to a locking strip that bends toward the inside of the base. The locking strip opposite to the carrier plate is connected to a locking block.

[0010] In some embodiments, the base further includes a fixing groove located on both sides of the carrier plate, the fixing groove extending perpendicular to the extending direction of the locking strip.

[0011] In some embodiments, the carrier plate has a wire inlet groove on the side opposite to the winding frame, the wire inlet groove being used to wind the end of the coil onto the terminal.

[0012] In some embodiments, the winding frame has a through hole, the extension direction of which is the same as the extension direction of the locking strip, and the split magnetic device further includes a magnetic core, a portion of which is inserted into the through hole, and another portion of which is located outside the through hole and on both sides of the coil.

[0013] In some embodiments, the magnetic core and the winding frame are connected by an adhesive layer.

[0014] This application provides a split magnetic device, including a frame and a coil. The frame includes a winding frame and a base. The coil is wound on the winding frame. The base has multiple terminals and a locking strip bent inwards. The side of the winding frame has a groove. The locking strip engages in the groove to connect the winding frame and the base, so as to facilitate the replacement of the base or the frame. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the magnetic device provided in this application;

[0017] Figure 2 This is a three-dimensional structural diagram of the base provided in this application;

[0018] Figure 3 This is a three-dimensional structural diagram of the winding frame provided in this application;

[0019] Figure 4 yes Figure 3 An enlarged structural diagram of point a on the winding frame;

[0020] Figure 5 This is an exploded structural diagram of the magnetic device provided in this application.

[0021] Figure label:

[0022] 10. Magnetic components; 100. Frame; 110. Winding frame; 111. Slide groove; 112. Winding shaft; 113. Bracket; 114. Locking groove; 115. Through hole; 120. Base; 121. Wire inlet groove; 122. Locking strip; 123. Locking block; 124. Carrier plate; 125. Side plate; 126. Through hole; 127. Limiting block; 128. Locking groove; 129. Terminal; 200. Coil; 300. Magnetic core; 400. Cover plate. Detailed Implementation

[0023] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. In the absence of conflict, the following embodiments and their technical features can be combined with each other.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified. In the description of this application, "several" means at least one, such as one, two, etc., unless otherwise explicitly specified.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items. The terms "connection," "electrical connection," and "electrical link" as used herein include any direct and indirect electrical or structural connection means. Therefore, if a first device is described herein as coupled / connected / electrically connected to a second device, it means that the first device can be directly electrically / structurally connected to the second device, or indirectly electrically / structurally connected to the second device through other means or connection methods.

[0026] This application provides a split magnetic device, including a frame and a coil. The frame includes a winding frame and a base. The coil is wound on the winding frame. The base has multiple terminals and a locking strip bent inwards. The side of the winding frame has a groove, and the locking strip engages in the groove to connect the winding frame and the base.

[0027] In this application, the skeleton is composed of a winding frame and a base. By providing a locking strip that bends inward on the base and a sliding groove that matches the locking strip on the winding frame, the winding frame and the base are engaged in the sliding groove by the locking strip, so that the two can be detachably connected, thus forming a skeleton that is easy to disassemble. When the parts on the skeleton need to be replaced, the base or the winding frame can be replaced, thus improving the replacement efficiency.

[0028] Please see Figures 1-5 , Figure 1 This is a three-dimensional structural schematic diagram of the magnetic device provided in this application; Figure 2 This is a three-dimensional structural diagram of the base provided in this application; Figure 3 This is a three-dimensional structural diagram of the winding frame provided in this application; Figure 4 yes Figure 3 An enlarged structural diagram of point a on the winding frame;

[0029] Figure 5This is an exploded structural diagram of the magnetic device provided in this application. This application provides a split magnetic device 10, including a frame 100 and a coil 200. The frame 100 includes a winding frame 110 and a base 120. The coil 200 is wound on the winding frame 110. The base 120 has multiple terminals 129 and a locking strip 122 bent inwards. The side of the winding frame 110 has a groove 111, and the locking strip 122 engages in the groove 111 to connect the winding frame 110 and the base 120. Specifically, the magnetic device 10 includes a frame 100 and a coil 200. The coil 200 is formed by winding wire, which can be flat wire, round wire, or square wire, and is not limited here. The material forming the frame 100 includes at least one of PET (polyethylene terephthalate), ABS (acrylonitrile-butadiene-styrene), PA (polyamide), and PC (polycarbonate). The frame 100 includes a winding frame 110 and a base 120. The winding frame 110 includes a winding central shaft 112 and a bracket 113 connected to the beginning and end of the winding central shaft 112. The winding central shaft 112 is connected to the side of the bracket 113 away from the base 120. The extension direction of the winding central shaft 112 is a first direction X, which is perpendicular to a second direction Y. The bracket 113 extends along the second direction Y, and the winding central shaft 112 is wound... A coil 200 is wound on a winding frame 110. The two sides of the support 113 have grooves 111 extending along the first direction X, that is, the sides of the winding frame 110 have grooves 111. The winding shaft 112 and the two supports 113 are designed as a single unit to reduce failures caused by loose connections or displacement between components, thereby improving the mechanical strength and stability of the winding frame 110. The base 120 has multiple spaced terminals 129 and a locking strip 122 bent inwards towards the base 120. The bending direction of the locking strip 122 is the same as the second direction Y. The locking strip 122 extends along the first direction X, that is, the extension direction of the locking strip 122 is the same as the extension direction of the groove 111. The size of the locking strip 122 matches the size of the groove 111. The locking strip 122 engages in the groove 111 to connect the winding frame 110 and the base 120.

[0030] In this application, the skeleton 100 is composed of a winding frame 110 and a base 120. By providing a locking strip 122 that bends inward on the base 120 and a sliding groove 111 that matches the locking strip 122 on the winding frame 110, the winding frame 110 and the base 120 are engaged in the sliding groove 111 by the locking strip 122, so that the two can be detachably connected, thus forming a skeleton 100 that is easy to disassemble. When the parts on the skeleton 100 need to be replaced, the base 120 or the winding frame 110 can be replaced, thereby improving the replacement efficiency.

[0031] In this application, by making the skeleton 100 detachable, it is possible to adapt to magnetic cores 300 of various sizes by changing the structure of the winding frame 110, or to achieve different performance requirements of magnetic devices 10 by changing the base 120 with different numbers of terminals 129, or to solve the problem of increasing the overall size of magnetic devices 10 due to insufficient winding space by simply changing the winding frame 110 with different heights, or to improve replacement efficiency and reduce production costs by simply changing the base 120 or the winding frame 110, so that the output power is different when the same coil 200 is used.

[0032] In one embodiment, the bottom of the slide groove 111 has a locking groove 114, and the bent end of the locking strip 122 has a locking block 123 protruding towards the inside of the base 120. The locking block 123 is engaged in the locking groove 114. Specifically, the locking groove 114 is located on a bracket 113 near the extended end of the locking strip 122. The extending direction of the locking groove 114 is the same as the extending direction of the first direction X. The bent end of the locking strip 122 has a locking block 123 protruding towards the second direction Y. The locking block 123 is engaged in the locking groove 114 to avoid the risk of the winding frame 110 and the base 120 falling off after they are engaged, thereby ensuring the reliability of the magnetic device 10.

[0033] In one embodiment, the direction from the extended head end of the locking bar 122 toward the extended tail end of the locking bar 122 is a first direction X. In the first direction X, the width of the locking block 123 located near the extended head end of the locking bar 122 increases, and the width of the locking block 123 located near the extended tail end of the locking bar 122 decreases. Specifically, the locking block 123 includes a first locking portion and a second locking portion connected to the first locking portion. The first locking portion is located on the side of the second locking portion near the extended head end of the locking bar 122. In the first direction X, the width of the first locking portion increases and the width of the second locking portion decreases. The width direction of the first locking portion and the second locking portion is the same as that of the second direction Y. That is, in the first direction X, the width of the locking block 123 located near the extended head end of the locking bar 122 increases and the width of the locking block 123 located near the extended end of the locking bar 122 decreases. The locking groove 114 has two oppositely arranged groove walls that are inclined along the first direction X. Both groove walls are inclined towards the outside of the locking groove 114 to match the first locking portion and the second locking portion, thereby further improving the connection stability between the base 120 and the winding frame 110, thereby further reducing the risk of detachment, and thereby further improving the reliability of the magnetic device 10.

[0034] In one embodiment, the base 120 further includes a carrier plate 124 and a side plate 125. The carrier plate 124 has a plurality of terminals 129 and a through hole 126. The coil 200 is located in the through hole 126. The side plate 125 protrudes and is connected to both sides of the carrier plate 124. The protruding direction of the side plate 125 is perpendicular to the first direction X. A locking strip 122 bent toward the inside of the base 120 is connected to the side of the side plate 125 away from the carrier plate 124. A locking block 123 is connected to the side of the locking strip 122 away from the carrier plate 124. Specifically, the carrier plate 124 is used to support the winding frame 110. The carrier plate 124 has multiple terminals 129 and through holes 126. The coil 200 is located in the through holes 126. The side plate 125 protrudes towards the third direction Z and is connected to both sides of the carrier plate 124. The third direction Z is perpendicular to the first direction X. The extension direction of the side plate 125 is the same as the extension direction of the locking strip 122. The side of the side plate 125 away from the carrier plate 124 is connected to the locking strip 122 which bends towards the second direction Y. The side of the locking strip 122 away from the carrier plate 124 is connected to the locking block 123. The locking strip 122, the side plate 125 and the carrier plate 124 form a locking groove 128. The locking groove 128 is used to engage with the protruding edge connected to the slide groove 111 to further reduce the risk of detachment between the two, thereby further improving the connection stability between the base 120 and the winding frame 110, and thus further improving the reliability of the magnetic device 10. Optionally, the locking strip 122, the carrier plate 124, and the side plate 125 are integrated into one structure to reduce the failure of the base 120 caused by loose connections or displacement between components, thereby improving the mechanical strength and stability of the base 120.

[0035] In one embodiment, the base 120 has a limiting block 127 located at the extended end of the engaging strip 122, which controls the movement distance of the winding frame 110. Specifically, the limiting block 127 is located at the extended end of the engaging strip 122 and the extended end of the side plate 125. The limiting block 127 controls the movement distance of the winding frame 110, thereby avoiding the risk of detachment between the base 120 and the winding frame 110, and further improving the reliability of the magnetic device 10.

[0036] In one embodiment, the width of the portion of the engaging strip 122 located near the extended head end of the engaging strip 122 increases. Specifically, in the first direction X, the width of the portion of the engaging strip 122 provided with the other bracket 113 connected to the extended head end of the winding shaft 112 increases, that is, the width of the portion of the engaging strip 122 located near the extended head end of the engaging strip 122 increases. The width of the engaging strip 122 is the same as that in the second direction Y, so that the winding frame 110 can more easily engage with the base 120, improving assembly efficiency and thus improving production efficiency.

[0037] In one embodiment, the base 120 further includes fixing grooves located on both sides of the carrier plate 124, with the extending direction of the fixing grooves perpendicular to the extending direction of the engaging strip 122. Specifically, both brackets 113 are provided with fixing grooves, with the extending direction of the fixing grooves being the same as the second direction Y, that is, the extending direction of the fixing grooves being perpendicular to the extending direction of the engaging strip 122, so that the brackets 113 can be better engaged on the base 120, while reducing the risk of movement between the two.

[0038] In one embodiment, a wire inlet groove 121 is provided on the side of the carrier plate 124 away from the winding frame 110. The wire inlet groove 121 is used to wind the wire head and wire tail of the coil 200 onto the terminal 129 through the wire inlet groove 121, so that when there are too many wires forming the coil 200, the wire head can be wound onto the terminal 129 through the wire inlet groove 121, avoiding a messy situation due to too many wires.

[0039] In one embodiment, the winding frame 110 has a through hole 115, the extension direction of which is the same as the extension direction of the locking strip 122. The split magnetic device 10 also includes a magnetic core 300, a portion of which is inserted through the through hole 115, and another portion of which is located outside the through hole 115 and on both sides of the coil 200. Specifically, the winding shaft 112 has a through hole 115 extending along the first direction X. The magnetic core 300 consists of two cores, each including a magnetic post, two magnetic edge plates, and a magnetic plate. The magnetic post and the two magnetic edge plates are connected to the same side of the magnetic plate. The two magnetic edge plates are spaced apart on both sides of the magnetic post. The magnetic posts of the two cores 300 are inserted through the through hole 115, and the two magnetic edge plates are located on both sides of the coil 200 and the winding shaft 112. A through hole 115 is provided in the winding shaft 112 so that part of the magnetic core 300 can be inserted into the through hole 115, thereby reducing the volume of the magnetic device 10.

[0040] In one embodiment, the magnetic core 300 and the winding frame 110 are connected by an adhesive layer. Specifically, the magnetic device 10 also includes a cover plate 400, which covers the coil 200 and the side of the bracket 113 facing away from the base 120. The magnetic core 300, the winding frame 110, the cover plate 400, and the coil 200 can be connected by an adhesive layer to fix the magnetic core 300 to the winding frame 110. At the same time, the cover plate 400 and the coil 200 are also connected to the winding frame 110 by adhesive to avoid the risk of movement between components and improve the reliability of the magnetic device 10.

[0041] The above description is merely an embodiment of this application and does not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, such as the combination of technical features between embodiments, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A split-type magnetic device, characterized in that, The device includes a frame and a coil. The frame includes a winding frame and a base. The coil is wound on the winding frame. The base has multiple terminals and a locking strip that bends inward toward the base. The side of the winding frame has a groove. The locking strip engages in the groove to connect the winding frame to the base.

2. The split-type magnetic device according to claim 1, characterized in that, The bottom of the slide groove has a locking groove, and the bent end of the locking strip has a locking block that protrudes into the base. The locking block is engaged in the locking groove.

3. The split-type magnetic device according to claim 2, characterized in that, The first direction is from the extended head end of the engaging strip toward the extended tail end of the engaging strip. In the first direction, the width of the engaging block located near the extended head end of the engaging strip increases, and the width of the engaging block located near the extended tail end of the engaging strip decreases.

4. The split-type magnetic device according to claim 3, characterized in that, The base has a limiting block located at the extended end of the engaging strip, the limiting block being used to control the moving distance of the winding frame.

5. The split-type magnetic device according to claim 3, characterized in that, The width of the engagement strip increases at the portion located near the extended head end of the engagement strip.

6. The split-type magnetic device according to claim 3, characterized in that, The base also includes a carrier plate and a side plate. The carrier plate has multiple terminals and a through hole. The coil is located in the through hole. The side plate protrudes and is connected to both sides of the carrier plate. The protrusion direction of the side plate is perpendicular to the first direction. The side plate opposite to the carrier plate is connected to a locking strip that bends toward the inside of the base. The locking strip opposite to the carrier plate is connected to a locking block.

7. The split-type magnetic device according to claim 6, characterized in that, The base also includes a fixing groove located on both sides of the carrier plate, and the extending direction of the fixing groove is perpendicular to the extending direction of the locking strip.

8. The split-type magnetic device according to claim 6, characterized in that, The carrier plate has a wire inlet groove on the side opposite to the winding frame. The wire inlet groove is used to wind the end of the coil onto the terminal.

9. The split-type magnetic device according to claim 1, characterized in that, The winding frame has a through hole, the extension direction of which is the same as the extension direction of the locking strip. The split magnetic device also includes a magnetic core, a portion of which is inserted into the through hole, and another portion of which is located outside the through hole and on both sides of the coil.

10. The split-type magnetic device according to claim 9, characterized in that, The magnetic core and the winding frame are connected by an adhesive layer.

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