Transformer framework

Abstract

The utility model discloses a transformer framework which comprises a framework body, an upper end plate and a lower end plate are respectively arranged on the framework body, a winding groove surrounding a coil is formed between the upper end plate and the lower end plate, a plurality of pins are respectively arranged on two sides of the upper end plate, a concave cavity is formed in the upper end plate, a magnetic core is arranged in the concave cavity, and the magnetic core is arranged in the concave cavity. A glue injection groove is formed between the magnetic core and the side wall of the concave cavity, the pins comprise first pins used for grounding, one end of each first pin penetrates through the upper end plate and extends into the glue injection groove, and the glue injection groove is filled with conductive glue so that the first pins can be connected with the magnetic core. The grounding lead is wound on the first pin, one end of the first pin penetrates through the upper end plate and extends into the glue injection groove, and at the moment, the glue injection groove is directly filled with the conductive glue, so that the first pin is connected with the magnetic core, the magnetic core is grounded, and the defects that the grounding lead is difficult to connect with the magnetic core and complex in soldering tin due to the fact that the grounding lead is too thin are overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to a transformer framework. BACKGROUND

[0002] The transformer is the device that uses the principle of electromagnetic induction to change AC voltage, comprises magnetic core, primary winding, secondary winding, framework and needle foot.

[0003] At present, in the transformer, the magnetic core and needle foot are connected through the grounding lead, the grounding lead uses the reserved line point conductive glue, the needle foot tin soldering is easy to connect tin, and the lead needs to be corrected before soldering, so that the production efficiency is low, and the defective product is easy to produce.

[0004] Therefore, a transformer framework is needed to improve the above problems. UTILITY MODEL CONTENT

[0005] In view of the defects in the prior art, the technical problem to be solved by the utility model is to provide a transformer framework.

[0006] A transformer framework, comprising a framework body, the framework body is provided with an upper end plate and a lower end plate respectively, a winding slot surrounding the coil is formed between the upper end plate and the lower end plate, a plurality of needle feet are arranged on both sides of the upper end plate, a recess is formed on the upper end plate, a magnetic core is arranged in the recess, an injection groove is formed between the magnetic core and the side wall of the recess, a plurality of needle feet include a first needle foot for grounding, one end of the first needle foot extends into the injection groove through the upper end plate, and conductive glue is filled in the injection groove so that the first needle foot is connected with the magnetic core.

[0007] In an embodiment, a plurality of winding columns are arranged on the upper side of the upper end plate.

[0008] In an embodiment, a plurality of first hidden line grooves are recessed on both sides of the upper end plate.

[0009] In an embodiment, a plurality of second hidden line grooves are recessed on the lower side of the upper end plate, and the plurality of second hidden line grooves and the plurality of first hidden line grooves are correspondingly staggered and communicated.

[0010] In an embodiment, the magnetic core is fixed in the recess by adhesion glue.

[0011] In summary, the utility model has the beneficial effects that:

[0012] The grounding lead is wound on the first pin, and then the first pin is extended to the glue injection groove in the upper end plate, at this time, conductive glue is directly filled in the glue injection groove, so that the first pin is kept connected with the magnetic core, thereby realizing the grounding of the magnetic core, and through the form of positioning and filling the conductive glue by the glue injection groove, the disadvantages of difficult connection with the magnetic core and complex soldering caused by the too thin grounding lead are effectively avoided, thereby effectively reducing the generation of defective products. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is an explosion schematic view of the transformer framework in one embodiment of the utility model;

[0014] Figure 2 It is a top view of the transformer framework in one embodiment of the utility model;

[0015] Figure 3 It is an enlarged schematic view of A in one embodiment of the utility model; Figure 2

[0016] Figure 4 It is a perspective view of the transformer framework in one embodiment of the utility model. DETAILED DESCRIPTION

[0017] The utility model will be further described in combination with the description and specific implementation of the drawings:

[0018] As Figures 1 to 4 shown, the embodiment of the utility model preferably provides a transformer framework, which comprises a framework body 1, the framework body 1 is respectively provided with upper end plate 2 and lower end plate 3, the upper end plate 2 and lower end plate 3 form the winding slot 4 that surrounds the coil between, the upper end plate 2 both sides are respectively provided with a plurality of pin 5, form the recess 6 on the upper end plate 2, the recess 6 is provided with the magnetic core 7, the magnetic core 7 and the recess 6 side wall form the glue injection groove 8 between, a plurality of pin 5 include the first pin 51 for grounding, the first pin 51 one end extends to the glue injection groove 8 through the upper end plate 2, the glue injection groove 8 is filled with conductive glue so that the first pin 51 is connected with the magnetic core 7.

[0019] Specifically, the grounding lead is wound on the first pin, and then the first pin is extended to the glue injection groove in the upper end plate, at this time, conductive glue is directly filled in the glue injection groove, so that the first pin is kept connected with the magnetic core, thereby realizing the grounding of the magnetic core, and through the form of positioning and filling the conductive glue by the glue injection groove, the disadvantages of difficult connection with the magnetic core and complex soldering caused by the too thin grounding lead are effectively avoided, thereby effectively reducing the generation of defective products.

[0020] ​Further, the upper end plate 2 is provided with a plurality of winding columns on the upper side. Further, the winding columns are arranged at intervals, so that the coil wire heads can be correspondingly connected to the needle foot through the winding columns, the coil groups are clear, the winding is smooth, and the product process consistency is improved.

[0021] Further, the upper end plate 2 is provided with a plurality of winding columns on the upper side. Further, the winding columns are arranged at intervals, so that the coil wire heads can be correspondingly connected to the needle foot through the winding columns, the coil groups are clear, the winding is smooth, and the product process consistency is improved.

[0022] Further, the magnetic core 7 is fixed in the cavity 6 by adhesion.

[0023] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and the skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A transformer frame, comprising a frame body (1), the frame body (1) having an upper end plate (2) and a lower end plate (3) respectively, a winding slot (4) surrounding a coil being formed between the upper end plate (2) and the lower end plate (3), a plurality of pins (5) being arranged on both sides of the upper end plate (2) respectively, a recess (6) being formed on the upper end plate (2), and a magnetic core (7) being arranged in the recess (6), characterized in that: The magnetic core (7) and the side wall of the cavity (6) form a glue injection groove (8), a plurality of pins (5) include a first pin (51) for grounding, one end of the first pin (51) extends through the upper end plate (2) to the glue injection groove (8), and the glue injection groove (8) is filled with conductive glue to connect the first pin (51) and the magnetic core (7).

2. A transformer skeleton according to claim 1, characterized in that: A plurality of winding columns are arranged on the upper side of the upper end plate (2) in a spaced manner.

3. A transformer skeleton according to claim 1, characterized in that: A plurality of first hidden line grooves (9) are recessed in the upper end plate (2) on both sides in a spaced manner.

4. A transformer skeleton according to claim 3, characterised in that: A plurality of second hidden line grooves (10) are recessed in the upper end plate (2) on the lower side in a spaced manner, the plurality of second hidden line grooves (10) and the plurality of first hidden line grooves (9) are correspondingly arranged in a staggered and communicating manner.

5. A transformer skeleton according to claim 1, characterized in that: The magnetic core (7) is fixed in the cavity (6) by means of adhesive.

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