Integrally-formed transformer

Abstract

The invention discloses an integrally-formed transformer, and relates to the technical field of transformers, the integrally-formed transformer comprises a frame body, the frame body comprises a base and a core column, the integrally-formed transformer further comprises an outer supporting assembly arranged in the core column, after a wire is wound, a worker manually screws a shifting block, and a threaded rod is driven to rotate and descend along an internal thread in a connecting column; when the threaded rod descends, the embedded block is driven to move downwards, then the first fixing block descends, the first fixing block drives the first positioning rod to push the sleeve rod, when the sleeve rod is pushed, the second positioning rod pushes the second fixing block to move outwards on the surface of the fixing plate, the limiting block connected with the second positioning rod synchronously moves in the limiting groove, and finally the push plate moves outwards to make contact with the wire. The groove on the outer wall of the push plate can increase the friction force with the wire and prevent the wire from slipping when the wire is tightened, and when the push plate moves outwards to tighten the wire, a fine gap can be formed between the wire and the core column, so that the heat dissipation performance in actual work is enhanced, and the heat of the inner ring of the wire can flow along the gap.

Description

Technical Field

[0001] This invention relates to the field of transformer technology, and more particularly to a one-piece molded transformer. Background Technology

[0002] Power transformers, as indispensable soft magnetic electromagnetic components in electronic circuits, play a crucial role in the conversion and transmission of electrical energy. Structurally, they mainly consist of two core parts: a magnetic core and windings. Both the magnetic core and windings are securely mounted on a base, which has pins for connecting to the circuit board, thus enabling the transformer to be electrically connected to the entire circuit system.

[0003] Specifically, the winding section consists of core posts and wires tightly wound around them. In actual production, to improve efficiency and simplify assembly, the industry commonly uses a one-piece machining process for the core post and base. In this one-piece machining process, the leads are precisely embedded into the base, thus forming a complete transformer frame. This one-piece transformer frame greatly facilitates subsequent assembly. In the later assembly stages, operators only need to carefully wind wires around the core post according to process requirements to complete the basic assembly of the transformer.

[0004] However, a prominent problem with existing one-piece molded transformer bobbins is that the core column surface is too smooth. During the wire winding process, this smooth surface easily leads to wire slippage. Once the wire slips, it causes loose and unwieldy winding, severely impacting the transformer's electrical performance and reducing its efficiency and stability within the circuit system. Summary of the Invention

[0005] The purpose of this invention is to address the problem that in existing one-piece molded transformer frames, the core column surface is relatively smooth, making it easy for slippage to occur during the winding of wires, which leads to loosening of the wires and adversely affects the performance of the transformer. Therefore, this invention proposes an one-piece molded transformer.

[0006] To achieve the above objectives, the present invention employs the following technology: an integrally molded transformer, comprising a frame, the frame including a base and a core column, and further comprising: an external support assembly disposed inside the core column; The external support assembly includes a slot on the outer wall of the core column, a fixing plate fixed to the inner wall of the core column, a connecting column fixed to the top of the fixing plate, and a threaded rod connected to the connecting column through an internal thread on the inner wall. A toggle block is fixed to the top of the threaded rod, and an embedded block is rotatably connected to the threaded rod through an embedded slot on the outer wall. Several limiting slots are provided on the top of the fixing plate, and a pusher is connected between each limiting slot and the embedded block. A pusher plate is provided on the side of the pusher. Rotate the actuating block, and the threaded rod rotates and descends along the internal thread. The inner block drives the pusher to descend synchronously and pushes the push plate to unfold outward.

[0007] As a further description of the integrally molded transformer described above: The pushing component includes a limiting block that is slidably connected to the inner wall of the limiting groove. The embedded block is connected to the first positioning rod through a first fixing block fixed at the bottom. The limiting block is connected to the second positioning rod through a second fixing block fixed on one side. A sleeve rod is rotatably connected between the second positioning rod and the first positioning rod. As an implementation of the above scheme, manually turning the actuating block causes the threaded rod to rotate and descend along the internal thread inside the connecting column. The descending of the threaded rod causes the inner insert to move down, and the inner insert causes the first fixing block to descend. The first fixing block causes the first positioning rod to push the sleeve rod. When the sleeve rod is pushed, the second positioning rod pushes the second fixing block to move outward on the surface of the fixing plate. At the same time, the limiting block connected to the second fixing block moves in the limiting groove, thereby causing the push plate to move outward and contact the wire.

[0008] As a further description of the integrally molded transformer described above: The outer wall of the push plate is provided with a plurality of vertically arrayed grooves; As an implementation of the above solution, the groove on the outer wall of the push plate can increase the friction with the wire, preventing the wire from slipping when it is taut. When the push plate moves outward to tighten the wire, a tiny gap will appear between the wire and the core post.

[0009] As a further description of the integrally molded transformer described above: The top of the fixed plate is provided with an adjustment component, which includes a connecting plate installed on the inner wall of the slot and an L-shaped plate fixed to the bottom of the embedded block. The connecting plate has several through slots and moving slots inside.

[0010] As a further description of the integrally molded transformer described above: Several movable blocks are slidably connected inside the movable groove, and one side of the several movable blocks extends out of the movable groove and is connected to a horizontal plate. As an implementation of the above scheme, the threaded rod descends, causing the inner block to descend and the L-shaped plate to descend. The L-shaped plate then drives the connecting rod to pull the bottom horizontal plate. The horizontal plate causes the moving block to move within the moving groove, and the fixed column also moves with the horizontal plate.

[0011] As a further description of the integrally molded transformer described above: One of the horizontal plates in the middle is fixedly connected to the connecting plate.

[0012] As a further description of the integrally molded transformer described above: Each of the horizontal plates is fixed with a fixed post on the side away from the connecting plate, and two staggered connecting rods are rotatably sleeved on the outer periphery of each fixed post, with a central post connecting the ends of adjacent connecting rods. As an implementation of the above scheme, the bottom fixed column descends and pulls the connecting rod. Under the action of the central column, the connecting rod moves in a cross direction. Since the middle horizontal plate is fixedly connected to the connecting plate, the connecting rod on the outer periphery of the side fixed column will push the fixed column on the side of the upper horizontal plate, causing the upper and lower horizontal plates of the middle horizontal plate to gradually move away from each other.

[0013] As a further description of the integrally molded transformer described above: A connecting rod is fixedly connected between the bottom horizontal plate and the L-shaped plate, and an adjusting plate extending through a slot is connected to the side of each horizontal plate away from the fixed column.

[0014] As a further description of the integrally molded transformer described above: The length of the connecting rods on the outer periphery of the two mutually distant fixed columns is less than that of the connecting rod on the outer periphery of the middle fixed column.

[0015] As a further description of the integrally molded transformer described above: The frame also includes a top plate fixed to the top of the core column and lead wires installed at the bottom of the base; As an implementation of the above scheme, the horizontal plate moves to drive the adjusting plate to move within the through slot, increasing the spacing between the adjusting plates and adjusting the spacing between the wound wires, leaving gaps between the wires on both sides, enhancing the heat dissipation effect, and also guiding the wires to be evenly spirally wound on the core column to prevent them from scattering.

[0016] In summary, due to the adoption of the above-mentioned technology in the integrally molded transformer, the beneficial effects of this invention are: After the wire is wound around using the external support and adjustment components, the operator manually turns the actuating block to drive the threaded rod to rotate and descend along the internal thread of the connecting column. The descending threaded rod causes the inner block to move down, which in turn causes the first fixing block to descend. The first fixing block drives the first positioning rod to push the sleeve rod. When the sleeve rod is pushed, the second positioning rod pushes the second fixing block to move outward on the surface of the fixing plate. The limiting block connected to it moves synchronously in the limiting groove, eventually causing the push plate to move outward and contact the wire, allowing the wire to gradually tighten and effectively preventing loosening. The grooves on the outer wall of the push plate can increase the friction with the wire, preventing the wire from slipping when it is taut. In addition, when the push plate moves outward to tighten the wire, a tiny gap will appear between the wire and the core post, which enhances the heat dissipation during actual operation and allows the heat inside the wire to flow along the gap. At the same time, the threaded rod descends, causing the inner block to lower the L-shaped plate. The L-shaped plate then drives the connecting rod to pull the bottom horizontal plate. The horizontal plate moves the moving block within the moving groove, and the fixed column also moves with the horizontal plate. The bottom fixed column descends, pulling the connecting rod. Under the action of the central column, the connecting rod moves in a crisscross pattern. Because the middle horizontal plate is fixedly connected to the connecting plate, the connecting rod on the outer periphery of its side fixed column pushes the fixed column on the side of the upper horizontal plate, causing the upper and lower horizontal plates of the middle horizontal plate to gradually move away from each other. The movement of the horizontal plate causes the adjusting plate to move within the through groove, increasing the spacing between the adjusting plates and adjusting the spacing of the wound wires, leaving gaps between the wires on both sides to further enhance the heat dissipation effect. At the same time, the adjusting plate can guide the wires to be evenly spirally wound on the core column, preventing the wires from becoming tangled. Attached Figure Description

[0017] Figure 1 A schematic diagram of the overall structure according to the present invention is shown; Figure 2 A schematic diagram of the slotted structure according to the present invention is shown; Figure 3 A schematic cross-sectional view of the base structure according to the present invention is shown; Figure 4 A schematic diagram of the external support component structure according to the present invention is shown; Figure 5 A schematic diagram of the pusher plate structure according to the present invention is shown; Figure 6 The present invention is shown Figure 5 Another perspective structural diagram; Figure 7 A schematic diagram of the adjustment component structure according to the present invention is shown; Figure 8 The present invention is shown Figure 7 A magnified view of a portion of point A in the middle.

[0018] Legend: 10. Frame; 11. Base; 12. Core column; 13. Top plate; 14. Lead wire; 20. External support assembly; 21. Slot; 22. Fixing plate; 23. Connecting column; 231. Internal thread; 232. Threaded rod; 233. Actuating block; 24. Embedded groove; 25. Restricting groove; 26. Embedded block; 261. First fixing block; 262. First positioning rod; 263. Sleeve rod; 264. Second positioning rod; 265. Second fixing block; 27. Restricting block; 28. Push plate; 281. Groove; 30. Adjustment component; 31. Connecting plate; 311. Through slot; 312. Moving slot; 32. L-shaped plate; 33. Connecting rod; 34. Moving block; 35. Horizontal plate; 36. Fixed column; 37. Connecting rod; 38. Central column; 39. Adjustment plate. Detailed Implementation

[0019] The following will describe, with reference to the accompanying drawings of the embodiments of the present invention, a one-piece molded transformer of the present invention clearly and completely. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] like Figures 1-8 As shown, the present invention provides an integrally molded transformer: including a frame 10, the frame 10 including a base 11 and a core column 12, the core column 12 is installed on the top of the base 11, the outer periphery of the core column 12 is wound with wires, the top of the core column 12 is fixed with a top plate 13, the bottom of the base 11 is installed with lead wires 14, and also includes an external support assembly 20 disposed inside the core column 12.

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 As shown, the external support assembly 20 includes a slot 21 formed on the outer wall of the core column 12. A fixing plate 22 is fixed to the inner wall of the core column 12. A connecting column 23 is fixed to the top of the fixing plate 22, and the connecting column 23 is connected to a threaded rod 232 through an internal thread 231 formed on the inner wall. A toggle block 233 is fixed to the top of the threaded rod 232. An embedded block 26 is rotatably connected to the threaded rod 232 through an embedded groove 24 formed on the outer wall. A plurality of limiting grooves 25 are formed on the top of the fixing plate 22, and a pushing member is connected between each limiting groove 25 and the embedded block 26. The pushing member includes a limiting block 27 slidably connected to the inner wall of the limiting groove 25. The embedded block 26 is connected to a first fixed at the bottom. The fixing block 261 is connected to the first positioning rod 262. The limiting block 27 is connected to the second positioning rod 264 through the second fixing block 265 fixed on one side. The second fixing block 265 is in contact with the surface of the fixing plate 22. The second positioning rod 264 and the first positioning rod 262 are rotatably connected by a sleeve rod 263. When the threaded rod 232 is raised and lowered, the limiting block 27 is restricted by the limiting groove 25 to only move in a straight line. Thus, through the transmission of the pushing member, the embedded block 26 rotates in the embedded groove 24. The side of the second fixing block 265 is provided with a push plate 28. The push plate 28 is slidably connected to the slot 21. The outer wall of the push plate 28 is provided with a plurality of vertically arrayed grooves 281. To prevent the wires from becoming loose after the workers have finished winding them, the following method can be used to tighten the wires: After the wire winding process is completed, the workers manually turn the actuating block 233. At this time, the actuating block 233 drives the threaded rod 232 to rotate along the internal thread 231 inside the connecting column 23. During the rotation of the threaded rod 232, due to its threaded engagement with the internal thread 231, the threaded rod 232 will move downwards synchronously. The descent of the threaded rod 232 will cause the inner block 26 connected to it to move downward. During the descent of the inner block 26, it will cause the first fixed block 261 to move downward synchronously. When the first fixed block 261 descends, it will push the first positioning rod 262 connected to it, thereby causing the first positioning rod 262 to push the sleeve rod 263. When the sleeve rod 263 is pushed, the second positioning rod 264 at the other end will push the second fixing block 265. The second fixing block 265 moves outward on the surface of the fixing plate 22, and at the same time, the limiting block 27 connected to the second fixing block 265 will slide in the limiting groove 25. As the second fixing block 265 moves, the push plate 28 will be driven to move outward until it contacts the wire wrapped around the core post 12. The push plate 28 continues to move, gradually making the wire tend to be taut, effectively preventing the wire from loosening. In addition, the outer wall of the push plate 28 is designed with a groove 281. This structure can increase the friction between the wire and the push plate 28, and prevent the wire from slipping during the tensioning process. Moreover, when the push plate 28 moves outward and tensions the wire, a tiny gap will be formed between the wire and the core post 12. In actual operation, these gaps can enhance the heat dissipation performance of the wire, allowing the heat generated in the inner ring of the wire to flow and dissipate along the gap.

[0022] like Figure 1 , Figure 3 , Figure 7 , Figure 8As shown, an adjustment assembly 30 is provided on the top of the fixed plate 22. The adjustment assembly 30 includes a connecting plate 31 installed on the inner wall of the slot 21 and an L-shaped plate 32 fixed to the bottom of the embedded block 26. The connecting plate 31 has several through slots 311 and a moving slot 312 inside. Several moving blocks 34 are slidably connected in the moving slot 312, and one side of several moving blocks 34 extends out of the moving slot 312 and is connected to a horizontal plate 35. One of the horizontal plates 35 in the middle is fixedly connected to the connecting plate 31. Each horizontal plate 35... 5. A fixed column 36 is fixed on the side away from the connecting plate 31, and two staggered connecting rods 37 are rotatably sleeved on the outer periphery of each fixed column 36. A central column 38 is connected between the ends of adjacent connecting rods 37, and a connecting rod 33 is fixedly connected between the bottom horizontal plate 35 and the L-shaped plate 32. An adjusting plate 39 extending through a through groove 311 is connected on the side of each horizontal plate 35 away from the fixed column 36. The length of the connecting rods 37 on the outer periphery of the two mutually distant fixed columns 36 is less than that of the connecting rods 37 on the outer periphery of the middle fixed column 36. During the descent of the threaded rod 232, it will also drive the inner block 26 to move downward simultaneously. When the inner block 26 descends, it will drive the L-shaped plate 32 connected to it to descend together. The descent of the L-shaped plate 32 will further pull the connecting rod 33, and the other end of the connecting rod 33 is connected to the bottom horizontal plate 35. Therefore, under the pull of the connecting rod 33, the bottom horizontal plate 35 will start to move. When the horizontal plate 35 moves, it will drive the moving block 34 fixedly connected to it to slide in the moving groove 312 to ensure the stability of the movement of the horizontal plate 35. At the same time, the fixing column 36 fixed on the horizontal plate 35 will also move together with the horizontal plate 35. When the bottom fixed post 36 descends, it pulls the connecting rod 37 connected to it. Under the traction of the central post 38, the connecting rod 37 will move in a cross motion. This cross motion design allows the connecting rod 37 to effectively transmit force. Specifically, during the movement, the connecting rod 37 on the outer periphery of the bottom fixed post 36 will pull the connecting rod 37 on the outer periphery of the fixed post 36 on one side of the adjacent horizontal plate 35, forming a chain reaction. Since the middle horizontal plate 35 is fixedly connected to the connecting plate 31, when the connecting rod 37 moves in a cross direction, the connecting rod 37 on the outer periphery of the fixing post 36 on the side of the middle horizontal plate 35 will push the fixing post 36 on the side of the upper horizontal plate 35, so that the horizontal plates 35 above and below the middle horizontal plate 35 gradually move away from each other. As the horizontal plate 35 moves, the connecting adjustment plate 39 also moves within the through slot 311. This movement causes the gap between the originally close adjustment plates 39 to gradually increase. The increase in the gap between the adjustment plates 39 can adjust the spacing when winding the wire, ensuring that the wires on both sides of the adjustment plate 39 have sufficient gaps. This design not only increases the heat dissipation effect of the wires, but also helps the wires to dissipate heat better during operation. Meanwhile, guided by the adjusting plate 39, the wire can be wound evenly and spirally on the core post 12. This uniform winding method effectively prevents the wire from becoming tangled and improves the neatness and stability of the wire winding.

[0023] Working principle: To prevent the wire from becoming loose after the operator winds it up, the operator manually turns the lever 233 after winding the wire. This causes the threaded rod 232 to rotate and descend along the internal thread 231 inside the connecting post 23. The descending threaded rod 232 causes the inner insert 26 to move down, which in turn causes the first fixing block 261 to descend. The first fixing block 261 then causes the first positioning rod 262 to push the sleeve rod 263. When the sleeve rod 263 is pushed, the second positioning rod 264 pushes the second fixing block 265 to move outward on the surface of the fixing plate 22. At the same time, the limiting block 27 connected to the second fixing block 265 moves within the limiting groove 25, thereby causing the push plate 28 to move outward and contact the wire, gradually tightening the wire and preventing it from becoming loose. The groove 281 on the outer wall of the push plate 28 can increase the friction with the wire and prevent the wire from slipping when it is taut. When the push plate 28 moves outward to tighten the wire, a tiny gap will appear between the wire and the core post 12, which enhances the heat dissipation during actual operation and allows the heat in the inner ring of the wire to flow along the gap. Simultaneously, the threaded rod 232 descends, causing the inner block 26 to lower the L-shaped plate 32. The L-shaped plate 32 then drives the connecting rod 33 to pull the bottom horizontal plate 35. The horizontal plate 35 drives the moving block 34 to move within the moving groove 312. The fixed column 36 also moves with the horizontal plate 35. The bottom fixed column 36 descends, pulling the connecting rod 37. Under the action of the central column 38, the connecting rod 37 moves in a crisscross pattern. Because the middle horizontal plate 35 is fixedly connected to the connecting plate 31, the connecting rod 37 on the outer periphery of its side fixed column 36 will push the fixed column 36 on the side of the upper horizontal plate 35, causing the horizontal plates 35 above and below the middle horizontal plate 35 to gradually move away from each other. The movement of the horizontal plate 35 drives the adjusting plate 39 to move within the through groove 311, increasing the spacing of the adjusting plate 39 and adjusting the spacing of the wound wires. This leaves gaps between the wires on both sides, enhancing the heat dissipation effect and guiding the wires to be evenly spirally wound on the core column 12, preventing them from becoming scattered.

[0024] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technology of the integrated transformer and the inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. An integrally molded transformer comprising a frame (10) including a base (11) and a core post (12), characterized in that, Also include: The outer support assembly (20) is arranged in the core column (12); The outer support assembly (20) includes a slot (21) opened in the outer wall of the core column (12), the inner wall of the core column (12) is fixedly connected with a fixed plate (22), the top of the fixed plate (22) is fixedly connected with a connecting column (23), the connecting column (23) is connected with a threaded rod (232) through the inner thread (231) opened in the inner wall, the top of the threaded rod (232) is fixedly connected with a push block (233), the threaded rod (232) is rotatably connected with an embedded block (26) through the embedded slot (24) opened in the outer wall, the top of the fixed plate (22) is provided with a plurality of limiting grooves (25), and each limiting groove (25) is connected with a pusher between the embedded block (26), and the side of the pusher is provided with a push plate (28); Rotate the push block (233), the threaded rod (232) rotates downward along the inner thread (231), the embedded block (26) drives the pusher to descend synchronously and pushes the push plate (28) to expand outward.

2. An integrally formed transformer according to claim 1, wherein The pusher includes a limiting block (27) slidably connected to the inner wall of the limiting groove (25), the embedded block (26) is connected with a first positioning rod (262) through a first fixed block (261) fixedly connected to the bottom, the limiting block (27) is connected with a second positioning rod (264) through a second fixed block (265) fixedly connected to one side, and the second positioning rod (264) and the first positioning rod (262) are rotatably connected with a sleeve rod (263).

3. An integrally formed transformer according to claim 2, wherein The outer wall of the push plate (28) is provided with a plurality of vertically arranged grooves (281).

4. The integrally formed transformer of claim 1, wherein, The top of the fixed plate (22) is provided with an adjusting assembly (30), and the adjusting assembly (30) includes a connecting plate (31) mounted on the inner wall of the slot (21) and an L-shaped plate (32) fixed to the bottom of the embedded block (26), a plurality of through grooves (311) and a moving groove (312) are formed in the inner portion of the connecting plate (31).

5. An integrally formed transformer according to claim 4, wherein A plurality of moving blocks (34) are slidably connected in the moving groove (312), and one side of the plurality of moving blocks (34) extends out of the moving groove (312) and is connected with a horizontal plate (35).

6. An integrally formed transformer according to claim 5, wherein One of the horizontal plates (35) is fixedly connected between the connecting plate (31) and the L-shaped plate (32).

7. An integrally formed transformer according to claim 5, wherein Each of the horizontal plates (35) is fixedly connected with a fixed column (36) on the side away from the connecting plate (31), and two link rods (37) are rotatably connected around each fixed column (36), and a center column (38) is connected between the end of the adjacent link rods (37).

8. The integrally formed transformer of claim 7, wherein the horizontal plate (35) located at the bottom is fixedly connected with a connecting rod (33) between the L-shaped plate (32), and each horizontal plate (35) is connected with an adjusting plate (39) extending out of the through groove (311) on the side away from the fixed column (36).

9. An integrally formed transformer according to claim 8, wherein The length of the link rod (37) around the outer periphery of the two mutually distant fixed columns (36) is less than that of the link rod (37) around the outer periphery of the middle fixed column (36).

10. The integrally formed transformer of claim 1, wherein, The frame body (10) further comprises a top plate (13) fixedly connected to the top of the core column (12) and a lead wire (14) mounted to the bottom of the base (11).

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