Transformer convenient for welding fly wire on winding
By designing a strip-shaped plate structure for the first pin and a traditional cylindrical second pin, the problem of difficult winding of thick copper wire and excessive flying wires in transformer winding pins was solved, achieving stable soldering and a neat and beautiful winding coil.
Patent Information
- Application Number
- CN202520342899.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-28
AI Technical Summary
The existing transformer winding pins are insufficient to meet the winding requirements of thick copper wire and multiple flying wires, resulting in difficulties in soldering and insufficient space.
The first pin, which adopts a strip plate structure, is equipped with a U-shaped buckle and a recessed part to secure the flying wire of the winding coil. The strip-shaped protrusion helps to cut off the excess flying wire scraps. Combined with the traditional cylindrical second pin, it can achieve stable soldering of various winding coils.
It achieves stable soldering of thick copper wire and multiple flying wires, improves the neatness and aesthetics of the winding coil, and simplifies the soldering process.
Smart Images
Figure CN223808996U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transformer technical field more specifically refers to a transformer convenient to winding welding flying wire. BACKGROUND
[0002] The transformer is a device for changing AC voltage by using the principle of electromagnetic induction, mainly composed of winding frame, magnetic core assembly and winding coil, and has various functions, including voltage change, current change, impedance change, isolation, voltage stabilization and the like.
[0003] In order to avoid flying wire flying randomly on the circuit board, the existing transformer usually has a pin for welding winding flying wire on the winding frame of the transformer. The traditional pin is usually arranged at both sides of one end of the winding frame by a plurality of cylindrical pins. However, due to the diversity of transformer functions and the parameter requirements of actual products, the copper wire winding mode of the winding coil is various, such as some transformers need to use thick copper wire for winding, some transformers need to control the number of pins, and multiple winding flying wires are welded on one pin. In the above-mentioned cases, the existing cylindrical pin is difficult to meet the winding requirements of the flying wire. For example, for thick copper wire flying wire, it is difficult to tin solder the thick copper wire on the cylindrical pin, or in the case of multiple flying wires, the cylindrical pin has limited winding space and tin soldering is difficult. SUMMARY
[0004] Therefore, the utility model provides a transformer convenient to winding welding flying wire to solve the above-mentioned problems.
[0005] The utility model adopts the following technical scheme:
[0006] A transformer convenient to winding welding flying wire, comprising a cylindrical winding frame, a magnetic core assembled at both ends of the winding frame, an upper baffle and a lower baffle respectively arranged at both ends of the winding frame, a winding slot formed between the upper baffle and the lower baffle for winding the winding coil, the lower baffle being in the shape of a "Hou" character, the two sides of the "Hou" character-shaped lower baffle being respectively provided with a first pin portion and a second pin portion for tin soldering the winding coil flying wire, a plurality of first pins being arranged at intervals in the first pin portion, the first pin being a strip-shaped plate structure, a U-shaped buckle being arranged at the upper part of the first pin, the lower part of the first pin extending out of the lower baffle for inserting the circuit board.
[0007] Further, the first pin portion is a strip-shaped boss integrally formed with the lower baffle, a plurality of pin holes are arranged on the top surface of the strip-shaped boss, and the lower part of the first pin is inserted into the pin hole.
[0008] Preferably, the side surface of the strip-shaped boss is provided with a strip-shaped convex edge for assisting the cutting of the flying wire.
[0009] Preferably, the strip-shaped convex edge is provided with a plurality of recesses for assisting in fixing the flying wire, and the recesses correspond to the first needle feet one by one.
[0010] Preferably, the top surface of the strip-shaped convex platform is provided with a partition block between two adjacent first needle feet.
[0011] Further, the second needle foot part is arranged with a plurality of second needle feet, the second needle foot part has the same structure as the first needle foot part, and the second needle feet have the same structure as the first needle feet.
[0012] Further, the second needle foot part is arranged with a plurality of second needle feet, the second needle feet are cylindrical needle feet, and the second needle foot part is provided with a plurality of needle foot seats for inserting the second needle feet.
[0013] From the above description of the structure of the utility model, compared with the prior art, the utility model has the following advantages:
[0014] 1. The needle feet of at least one needle foot part of the first needle foot part and the second needle foot part adopt a strip-shaped plate structure, and a U-shaped buckle part is arranged at the upper part of the needle feet for assisting in buckling the flying wire of the winding coil, the U-shaped buckle part can better buckle the flying wire, and provides sufficient stable space for soldering, especially for soldering a plurality of flying wires to one needle foot or soldering the flying wire of thick copper wire, so that the soldering of the flying wire is more convenient, stable and reliable.
[0015] 2. The utility model is provided with a strip-shaped convex edge for assisting in cutting the flying wire on the side surface of the strip-shaped convex platform, and the strip-shaped convex edge is provided with a plurality of recesses for assisting in fixing the flying wire, and the recesses correspond to the first needle feet one by one. The utility model can quickly and neatly cut off the flying wire extended from the strip-shaped convex edge and the soldering edge angle material through a cutting knife, so that the first needle foot part is more neat and beautiful. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the utility model
[0017] Figure 2 It is another perspective structural schematic view of the utility model.
[0018] Figure 3 It is an exploded schematic view of the utility model.
[0019] Figure 4 It is a structural schematic view of the winding framework of the utility model.
[0020] Figure 5 It is a bottom view structural schematic view of the winding framework of the utility model.
[0021] Wherein, the figure label is: winding framework 10, upper baffle 11, lower baffle 12, winding groove 13, inclined surface 14, wire hanging support 15, first pin section 20, first pin 21, strip boss 22, pin hole 23, strip convex edge 24, recess 25, partition block 26, second pin section 30, second pin 31, pin seat 32, magnetic core 40. DETAILED DESCRIPTION
[0022] The specific implementation of the embodiments of the present application will be described below with reference to the accompanying drawings.
[0023] Referring to Figures 1 to 3 A transformer facilitating flying wire welding of winding, comprising a winding framework 10 in the shape of a cylinder, magnetic cores 40 assembled at both ends of the winding framework 10, the magnetic cores 40 being two magnetic cores 40 designed symmetrically with each other. The winding framework 10 is provided with an upper baffle 11 and a lower baffle 12 at both ends, respectively, and the winding groove 13 for winding the winding coil is formed between the upper baffle 11 and the lower baffle 12. The upper baffle 11 is provided with a plurality of wire hanging supports 15 for hanging the flying wire, and the lower baffle 12 is in the shape of a Chinese character, and the two sides of the Chinese character-shaped lower baffle 12 are respectively provided with a first pin section 20 and a second pin section 30 for soldering the winding coil flying wire.
[0024] Referring to Figure 4 And Figure 5 The first pin section 20 is spaced apart from a plurality of first pins 21, specifically, the first pin section 20 is a strip boss 22 integrally formed with the lower baffle 12, and the top surface of the strip boss 22 is provided with a plurality of pin holes 23 corresponding to the first pins 21. The first pin 21 is a conductive metal piece in the structure of a strip plate, and the upper part of the first pin 21 is bent in a horizontal direction to form a U-shaped buckle part; the lower part of the first pin 21 is inserted into the pin hole 23 and extends out of the lower baffle, used for inserting the circuit board.
[0025] Referring to Figure 4 And Figure 5 The flying wire of the winding coil of the present application can be inserted into and soldered in the U-shaped buckle part, and in order to better cut the excess flying wire corners and soldering corners of the first pin section 20, the present application is provided with a strip convex edge 24 on the side surface of the strip boss 22 for assisting the cutting of the flying wire, and a plurality of recesses 25 for assisting the fixation of the flying wire are provided on the strip convex edge 24, and the recesses 25 correspond to the first pins 21 one by one. The flying wire extended out of the strip convex edge 24 and the soldering corners are quickly and neatly cut off by the cutter, so that the first pin section 20 is more neat and beautiful.
[0026] Referring to Figure 4In order to facilitate the flying wire of the winding coil, especially for some thick copper winding coil, the utility model discloses an inclined surface 14 between the Chinese character top surface of the lower baffle 12 and the first pin portion 20, and a partition block 26 between the top surface of the strip-shaped boss 22 and the adjacent two first pins 21.
[0027] With reference to Figure 2 The second pin portion 30 can adopt the same structure design as the first pin portion 20, or can adopt the traditional structure design according to the requirement. When the structure is the same, the second pin portion 30 is arranged with a plurality of second pins 31 at intervals, the structure of the second pin portion 30 is the same as that of the first pin portion 20, and the structure of the second pin 31 is the same as that of the first pin 21.
[0028] With reference to Figure 2 In the embodiment, the second pin portion 30 is preferably the traditional structure design, that is, the second pin portion 30 is arranged with a plurality of second pins 31 at intervals, the second pin 31 is a cylindrical metal conductive pin, and the second pin portion 30 is provided with a plurality of pin seats 32 for inserting the second pin 31. The flying wire winding of the second pin portion 30 is basically the same as the existing traditional flying wire and soldering, and will not be described further.
[0029] The above is only the specific implementation manner of the utility model, but the design concept of the utility model is not limited to this, and any non-essential change of the utility model by using the concept should belong to the act of infringing the protection range of the utility model.
Claims
1. A transformer facilitating winding soldering fly wires, comprising a winding frame in a cylindrical shape, magnetic cores assembled at both ends of the winding frame, upper and lower baffle plates respectively provided at both ends of the winding frame, and a winding slot for winding a winding coil formed between the upper and lower baffle plates, characterized in that: The lower baffle is in the shape of a Chinese character, and the two sides of the Chinese character-shaped lower baffle are respectively provided with a first pin portion and a second pin portion for soldering winding coil flying wires, a plurality of first pins are arranged at intervals on the first pin portion, the first pin is a strip-shaped plate structure, a U-shaped buckle portion is arranged on the upper portion of the first pin, and the lower portion of the first pin extends out of the lower baffle and is used for inserting a circuit board.
2. A transformer facilitating welding of a winding flying lead as claimed in claim 1, wherein: The first pin portion is a strip-shaped boss which is integrally formed with the lower baffle, a plurality of pin holes are arranged on the top surface of the strip-shaped boss, and the lower portion of the first pin is inserted into the pin hole.
3. A transformer facilitating welding of a flying lead to a winding as claimed in claim 2, wherein: A strip-shaped convex edge is arranged on the side surface of the strip-shaped boss and is used for assisting in cutting the flying wire.
4. A transformer facilitating welding of a flying lead to a winding as claimed in claim 3, wherein: A plurality of recessed portions for assisting in fixing the flying wire are arranged on the strip-shaped convex edge, and the recessed portions correspond to the first pins one by one.
5. A transformer facilitating welding of a flying lead to a winding as claimed in claim 2, wherein: A separation block is arranged between two adjacent first pins on the top surface of the strip-shaped boss.
6. A transformer facilitating welding of a flying lead to a winding as claimed in any one of claims 1 to 5, wherein: A plurality of second pins are arranged at intervals on the second pin portion, the structure of the second pin portion is the same as that of the first pin portion, and the structure of the second pin is the same as that of the first pin.
7. A transformer facilitating welding of a flying lead to a winding as claimed in any one of claims 1 to 5, wherein: A plurality of second pins are arranged at intervals on the second pin portion, the second pin is a cylindrical pin, and the second pin portion is provided with a plurality of pin seats for inserting the second pins.