Combined flat transformer

The quick connection between the magnetic core is achieved through the cooperation of the tenon shaft and the lock shaft, which solves the cumbersome problems of installation and disassembly in the prior art, and improves the convenience of maintenance and work efficiency.

CN222546087UActive Publication Date: 2025-02-28DONGGUAN BEICHENGXIN ELECTRICAL APPLIANCE CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421138254.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-02-28
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The existing combined flat panel transformers are cumbersome during installation and disassembly, and are inconvenient to the maintenance of the circuit board, which affects the convenience of maintenance.

Method used

The mortise shaft is inserted into the mortise groove to achieve a quick connection between the magnetic cores, and the mortise shaft is fixed by the combination of the lock shaft and the lock shell to avoid the use of bolts. At the same time, the pins are threaded in the fixing sleeve to facilitate replacement of damaged pins.

Benefits of technology

It realizes rapid installation and removal between magnetic cores, simplifies the installation process, facilitates the maintenance of circuit boards, and improves the convenience and work efficiency of maintenance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 00000000_0000_ABST
    Figure 00000000_0000_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of flat plate transformers, and discloses a combined flat plate transformer which comprises a first magnetic core, the bottom side of the first magnetic core is connected with a second magnetic core through two plug-in assemblies, a circuit board is installed between the first magnetic core and the second magnetic core, the interior of the circuit board is connected with a first pin through a fixing assembly, and the first pin is connected with a second pin through a fixing assembly. The outer wall of the first magnetic core and the outer wall of the second magnetic core are connected through a locking assembly and an inserting assembly, the inserting assembly comprises a mortise located in the close side of the first magnetic core and the close side of the second magnetic core, and a tenon shaft is arranged in the mortise. According to the utility model, the quick connection between the first magnetic core and the second magnetic core is realized by inserting the tenon shaft into the mortise, meanwhile, the lock shaft can be inserted into the lock shell by shifting the shifting piece, the tenon shaft is fixed in the mortise, and meanwhile, the pin I and the pin II can be in threaded connection with the interior of the fixing sleeve, so that the pin I and the pin II can be fixed in the mortise. Therefore, the damaged pin can be replaced quickly.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of flat-plate transformers, in particular to a combined flat-plate transformer. Background Art

[0002] The biggest difference between flat transformers and traditional transformers lies in the iron core and coil winding. They use small-sized E-type, RM-type or toroidal ferrite cores, and the windings are made of multi-layer printed circuit boards. The windings or copper sheets are stacked on the flat high-frequency iron core to form the magnetic circuit of the transformer.

[0003] After searching, a combined flat-plate transformer with announcement number CN220526720U includes a first magnetic core and a second magnetic core, a quick-connect mechanism is provided between the first magnetic core and the second magnetic core, a plurality of circuit boards are installed between the first magnetic core and the second magnetic core, a pin mechanism is provided on the circuit board, the quick-connect mechanism includes a plurality of positioning lock blocks and two toggle blocks, the top ends of the two toggle blocks are fixedly connected to a rotating shaft, the bottom ends of the two toggle blocks are fixedly connected to an elastic clamp, and one side of the two toggle blocks is fixedly connected to an active tooth block. The combined flat-plate transformer drives the locking pin to move by rotating the toggle block, pulls the locking pin out of the positioning lock block, releases the constraint on the second magnetic core, and quickly installs and removes the first magnetic core and the second magnetic core, without installing a plurality of bolts, and is convenient for the inspection of the circuit board, thereby effectively improving the convenience of inspection.

[0004] Based on the above patent, the combined flat-plate transformer mentioned in its background technology uses multiple bolts to fix two magnetic cores together. When the internal circuit board is inspected and repaired, loading and unloading is inconvenient, making the convenience of inspection and repair less than ideal. In this regard, in order to solve this technical problem, this application proposes a combined flat-plate transformer. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art and proposes a combined flat-plate transformer, which realizes a quick connection between a magnetic core 1 and a magnetic core 2 by inserting a tenon shaft into a tenon groove, and can insert a lock shaft into a lock shell by toggling a paddle to fix the tenon shaft in the tenon groove, and can quickly replace a damaged pin by threading pin 1 and pin 2 into a fixing sleeve.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a combined flat-plate transformer, comprising a magnetic core 1, the bottom side of the magnetic core 1 is connected to the magnetic core 2 via two plug-in components, a circuit board is installed between the magnetic core 1 and the magnetic core 2, the inside of the circuit board is connected with a pin 1 via a fixing component, and the outer walls of the magnetic core 1 and the magnetic core 2 are connected via a locking component and a plug-in component.

[0007] Furthermore, the plug-in assembly includes a tenon groove located on a side close to the first magnetic core and the second magnetic core, and a tenon shaft is arranged inside the tenon groove.

[0008] Furthermore, the locking assembly includes a lock shell located on the outer wall of the magnetic core one and the magnetic core two and two lock shafts located inside the middle end of the tenon shaft, and the two lock shafts are arranged inside the lock shell with one end separated from each other.

[0009] Furthermore, the middle ends of the two lock shafts are fixedly connected with a fixing ring, the outer wall of the fixing ring is fixedly connected with a paddle, and the adjacent ends of the two lock shafts are connected via a spring.

[0010] Furthermore, one end of the spring is fixedly connected to the outer wall of the upper fixing ring, and the other end of the spring is fixedly connected to the outer wall of the lower fixing ring.

[0011] Furthermore, the fixing component includes a fixing sleeve located inside the circuit board, the fixing sleeve has a pin 1 threadedly connected inside, a pin 2 is arranged on the bottom side of the pin 1, and the top end of the pin 2 is threadedly connected to the inner wall of the bottom end of the fixing sleeve.

[0012] Furthermore, an insert block is fixedly connected to the bottom end of the first pin, and the insert block is arranged inside the top end of the second pin.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, after the magnetic core 1 and the magnetic core 2 are put together, the tenon grooves are put together so that the tenon shaft can be inserted therein, and then the quick connection between the magnetic core 1 and the magnetic core 2 is realized through the cooperation between the lock shaft and the lock shell, thereby avoiding the cumbersome installation caused by connecting the magnetic core 1 and the magnetic core 2 with bolts, and facilitating the improvement of the work efficiency of the installation of the flat transformer.

[0015] 2. In the utility model, pin one and pin two can be joined together by an insert block, and then pin one and pin two can be threadedly connected inside the fixing sleeve to achieve installation of pin one and pin two, and at the same time, it is convenient to quickly replace the damaged pin. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a combined flat-plate transformer proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the fixing sleeve structure of a combined flat-plate transformer proposed by the utility model;

[0018] Figure 3 The utility model provides a schematic diagram of the tenon-shaft structure of a combined flat-plate transformer.

[0019] Legend:

[0020] 1. Magnetic core 1; 2. Magnetic core 2; 3. Tenon shaft; 4. Lock housing; 5. Circuit board; 6. Fixing sleeve; 7. Pin 1; 8. Tenon groove; 9. Lock shaft; 10. Pin 2; 11. Insert block; 12. Fixing ring; 13. Spring; 14. Pick. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-3 The utility model provides an embodiment: a combined flat transformer, including a magnetic core 1, the bottom side of the magnetic core 1 is connected to the magnetic core 2 2 through a tenon groove 8 and a tenon shaft 3, a circuit board 5 is installed between the magnetic core 1 and the magnetic core 2, the inside of the circuit board 5 is connected with a pin 7 through a fixing sleeve 6, and the outer walls of the magnetic core 1 and the magnetic core 2 are connected to the tenon shaft 3 through a lock shell 4 and a lock shaft 9;

[0023] Specifically, first, the magnetic core 1 and the magnetic core 2 2 are put together and then the circuit board 5 is installed between the magnetic core 1 and the magnetic core 2 2. When Cixi 1 and Cixi 2 are put together, the upper and lower tenon grooves 8 are put together, and the tenon shaft 3 can be inserted to realize the quick installation between the magnetic core 1 and the magnetic core 2. At the same time, the lock shaft 9 is driven by the toggle lever 14 to cooperate with the spring 13 to realize the clamping of the lock shaft 9 inside the lock shell 4, so as to realize the connection between the tenon shaft 3 and the magnetic core 1 and the magnetic core 2. When it is necessary to disassemble the magnetic core 1 and the magnetic core 2, the spring 13 can be compressed by toggle the toggle lever 14 to make the lock shaft 9 and the lock shell 4 disengage, and then the tenon shaft 3 is pulled out to realize the disconnection between the magnetic core 1 and the magnetic core 2. At the same time, the pin 1 7 and the pin 2 10 can be connected through the plug block 11, and then the pin 1 7 and the pin 2 10 are threadedly connected to the inside of the fixing sleeve 6, so that the damaged pins can be quickly replaced, the maintenance efficiency can be improved, and manpower and material resources can be saved.

[0024] A tenon groove 8 is located on the side close to the magnetic core 1 and the magnetic core 2, a tenon shaft 3 is arranged inside the tenon groove 8, a lock shell 4 is located on the outer wall of the magnetic core 1 and the magnetic core 2, and two lock shafts 9 are located inside the middle end of the tenon shaft 3, the two lock shafts 9 are arranged inside the lock shell 4 at one end away, the middle ends of the two lock shafts 9 are fixedly connected with a fixing ring 12, the outer wall of the fixing ring 12 is fixedly connected with a paddle 14, the two lock shafts 9 are connected to each other through a spring 13 at one end, one end of the spring 13 is fixedly connected to the outer wall of the upper fixing ring 12, and the other end of the spring 13 is fixedly connected to the outer wall of the lower fixing ring 12, a fixing sleeve 6 is located inside the circuit board 5, the fixing sleeve 6 is threadedly connected with a pin 17, a pin 2 10 is arranged on the bottom side of the pin 17, the top of the pin 2 10 is threadedly connected to the inner wall of the bottom end of the fixing sleeve 6, the bottom of the pin 17 is fixedly connected with an insert 11, and the insert 11 is arranged inside the top of the pin 2 10;

[0025] Specifically, by putting the magnetic core 1 and the magnetic core 2 together and then installing the circuit board 5 between the magnetic core 1 and the magnetic core 2, when Cixi 1 and Cixi 2 are put together, the upper and lower tenon grooves 8 are put together, and the tenon shaft 3 can be inserted to realize the quick installation between the magnetic core 1 and the magnetic core 2. When it is necessary to disassemble the magnetic core 1 and the magnetic core 2, the spring 13 can be compressed by toggling the paddle 14 to make the lock shaft 9 and the lock shell 4 disengage, and then the tenon shaft 3 can be pulled out to disconnect the magnetic core 1 and the magnetic core 2. At the same time, the pin 1 7 and the pin 2 10 can be connected by the plug block 11, and then the pin 1 7 and the pin 2 10 are threadedly connected inside the fixing sleeve 6, so that the damaged pins can be quickly replaced, and the work efficiency of the flat-plate transformer installation can be improved.

[0026] Working principle: first, put the magnetic core 1 and the magnetic core 2 2 together and then install the circuit board 5 between the magnetic core 1 and the magnetic core 2 2. When Cixi 1 and Cixi 2 are put together, the upper and lower tenon grooves 8 are put together, and the tenon shaft 3 can be inserted to realize the quick installation between the magnetic core 1 and the magnetic core 2 2. When it is necessary to disassemble the magnetic core 1 and the magnetic core 2 2, the spring 13 can be compressed by toggling the paddle 14 to make the lock shaft 9 and the lock shell 4 disengaged, and then the tenon shaft 3 can be pulled out to disconnect the magnetic core 1 and the magnetic core 2 2. At the same time, the pin 1 7 and the pin 2 10 can be connected through the plug block 11, and then the pin 1 7 and the pin 2 10 are threadedly connected inside the fixing sleeve 6, so that the damaged pins can be quickly replaced, the maintenance efficiency can be improved, and manpower and material resources can be saved.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A combined planar transformer, comprising a magnetic core (1), characterized in that: The bottom side of the magnetic core 1 (1) is connected to the magnetic core 2 (2) via two plug-in components; a circuit board (5) is installed between the magnetic core 1 (1) and the magnetic core 2 (2); the inside of the circuit board (5) is connected to a pin 1 (7) via a fixing component; and the outer walls of the magnetic core 1 (1) and the magnetic core 2 (2) are connected via a locking component and a plug-in component.

2. A combined flat-plate transformer according to claim 1, characterized in that: The plug-in assembly comprises a tenon groove (8) located on a side close to the first magnetic core (1) and the second magnetic core (2), and a tenon shaft (3) is arranged inside the tenon groove (8).

3. The combined flat-plate transformer according to claim 2, characterized in that: The locking assembly comprises a lock shell (4) located on the outer wall of the magnetic core 1 (1) and the magnetic core 2 (2) and two lock shafts (9) located inside the middle end of the tenon shaft (3), and the two lock shafts (9) are arranged inside the lock shell (4) at one end away from each other.

4. The combined planar transformer according to claim 3, characterized in that: The middle ends of the two lock shafts (9) are fixedly connected to a fixing ring (12), the outer wall of the fixing ring (12) is fixedly connected to a paddle (14), and the adjacent ends of the two lock shafts (9) are connected via a spring (13).

5. The combined planar transformer according to claim 4, characterized in that: One end of the spring (13) is fixedly connected to the outer wall of the upper fixing ring (12), and the other end of the spring (13) is fixedly connected to the outer wall of the lower fixing ring (12).

6. The combined flat-plate transformer according to claim 1, characterized in that: The fixing assembly comprises a fixing sleeve (6) located inside the circuit board (5), wherein the fixing sleeve (6) is internally threadedly connected with a pin 1 (7), a pin 2 (10) is arranged on the bottom side of the pin 1 (7), and the top end of the pin 2 (10) is threadedly connected to the inner wall of the bottom end of the fixing sleeve (6).

7. The combined flat-plate transformer according to claim 6, characterized in that: The bottom end of the pin one (7) is fixedly connected with an insert block (11), and the insert block (11) is arranged inside the top end of the pin two (10).

Citation Information

Patent Citations

  • Combined flat transformer

    CN220526720U