CN114121455A

CN114121455A - Transformer wire frame

Info

Publication number: CN114121455A
Application number: CN202111397873.7A
Authority: CN
Inventors: 赵善东
Original assignee: Zhongshan Huahong Precision Mould Machinery Co ltd
Current assignee: Zhongshan Huahong Precision Mould Machinery Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-03-01

Abstract

The invention discloses a transformer coil holder which comprises a coil holder body, wherein the coil holder body is provided with a winding part for winding a wire to form a winding, the front end and the rear end of the winding part are respectively connected with a wiring part, a channel which penetrates through the winding part and the wiring part from front to back so as to be convenient for an iron core to be installed in the winding part is arranged in the winding part, a plurality of conductive connectors are fixed on the wiring part, each conductive connector is provided with a conductive pin part positioned at the lower end of the wiring part, and a conductive bayonet part positioned at the upper end of the wiring part and upwards opened for the wire to be clamped in.

Description

Transformer wire frame

Technical Field

The invention relates to a transformer coil holder.

Background

At present, a transformer is generally connected with a circuit board through pins, the end parts of wires on a winding of the transformer can be directly wound at the pins of the transformer, the pins are thin and generally soft, the pins are prone to being deformed when the wires are wound at the pins, and the deformation causes that all the pins on the transformer are not positioned on the same plane, so that the contact effect of all the pins and the circuit board is inconsistent when the transformer is installed on the circuit board, and the probability of faults caused by poor contact is greatly increased.

Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by those skilled in the art.

Disclosure of Invention

The invention overcomes the defects of the technology and provides a transformer wire frame.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a transformer line frame, includes line frame body 1, line frame body 1 is equipped with and is used for supplying the wire to twine the portion 2 that forms the winding on it, both ends are connected with wiring portion 3 respectively around the portion 2 that winds, run through around being equipped with in the portion 2 that winds 2 and wiring portion 3 so that supply the passageway 4 among them of iron core installation, all be fixed with a plurality of electrically conductive connectors 5 on the wiring portion 3, electrically conductive connectors 5 are equipped with and are located electrically conductive pin part 51 of 3 lower extremes of wiring portion, be located 3 upper end opening of wiring portion upwards is used for supplying the wire card to the electrically conductive bayonet part 52 among them.

Preferably, the wire connecting portions 3 at the conductive bayonet portions 52 are each provided with a groove 31 for accommodating solder, and the grooves 31 are provided with openings open outwardly and upwardly.

Preferably, a notch 32 for facilitating the wire to be clamped into the conductive bayonet portion 52 is formed in one side of the groove 31 close to the winding portion 2, and the bottom of the notch 32 is higher than the winding portion 2.

Preferably, a first chamfer inclined plane 33 is arranged on one side of the notch 32 close to the conductive bayonet portion 52, and a second chamfer inclined plane 34 is arranged on the bottom of the groove 31 close to the outer side so as to prevent the wire from being scratched when the wire is clamped downwards into the conductive bayonet portion 52.

Preferably, the outer side and the upper side of the groove 31 are provided with a third chamfer slope 35 so as to expose the conductive bayonet part 52 for the wire to be clipped in.

Preferably, the wiring portion 3 and the winding portion 2 of the wire holder body 1 are made of integral plastic, the conductive connector 5 is integrally injection-molded with the wire holder body 1 as an insert, and the conductive connector 5 is provided with a conductive portion 53 which is wrapped by the wire holder body 1 and is not exposed outside and is used for connecting the conductive lead portion 51 and the conductive bayonet portion 52.

Compared with the prior art, the invention has the beneficial effects that:

the present case transformer line frame is fixed with the conductive connector in wiring portion department, conductive connector upper end is for supplying the wire card at the conductive bayonet part wherein, the lower extreme is conductive pin portion, so, the wire alright avoid the winding to cause the pin to warp through joint quick and conductive connector intercommunication and lead to contact failure, in addition, conductive pin portion is located even the improper operation makes conductive bayonet part warp when wire and conductive bayonet part joint and also can not influence being connected of conductive pin portion and external circuit board at conductive connector lower extreme, the improvement of very big degree the reliability that transformer and circuit board are connected.

Drawings

Fig. 1 is a schematic diagram of a transformer bobbin of the present application.

Fig. 2 is a schematic view of the wire stand body of the present application.

Fig. 3 is a schematic view of the conductive connector of the present invention, wherein the wiring portion is cut away.

Detailed Description

The features of the present invention and other related features are further described in detail below by way of examples to facilitate understanding by those skilled in the art:

as shown in fig. 1 to 3, a transformer bobbin includes a bobbin body 1, the bobbin body 1 is provided with a winding portion 2 for winding a wire thereon to form a winding, the front and rear ends of the winding portion 2 are respectively connected with a wiring portion 3, a channel 4 is provided in the winding portion 2 and runs through the winding portion 2 and the wiring portion 3 from front to rear so as to facilitate the installation of an iron core therein, a plurality of conductive connectors 5 are fixed on the wiring portion 3, each conductive connector 5 is provided with a conductive pin portion 51 located at the lower end of the wiring portion 3 and a conductive bayonet portion 52 located at the upper end of the wiring portion 3 and used for the wire to be clamped therein.

As described above, the transformer bobbin of the present application is fixed with the conductive connector 5 at the wiring portion 3, the upper end of the conductive connector 5 is a conductive bayonet portion 52 for the wire to be clamped in, and the lower end is a conductive pin portion 51, so that the wire can be quickly connected with the conductive connector 5 through clamping to avoid the winding and the deformation of the pin to cause poor contact, in addition, the conductive pin portion 51 is located at the lower end of the conductive connector 5, even if the conductive bayonet portion 52 is not deformed when the wire is clamped with the conductive bayonet portion 52, the connection between the conductive pin portion 51 and the external circuit board is not affected, and the reliability of the connection between the transformer and the circuit board is greatly improved.

As shown in fig. 1 to 2, it is preferable that the wire connecting portions 3 at the conductive bayonet portions 52 are each provided with a groove 31 for accommodating solder, and the groove 31 is provided with an opening opened outward and upward.

As shown in fig. 1 to 2, preferably, a notch 32 for facilitating the wire to be clamped into the conductive bayonet portion 52 is disposed on one side of the groove 31 close to the winding portion 2, and a bottom of the notch 32 is higher than the winding portion 2.

As shown in fig. 1 to fig. 2, preferably, a first chamfer inclined plane 33 is disposed on one side of the notch 32 close to the conductive bayonet portion 52, and a second chamfer inclined plane 34 is disposed on the outer side of the bottom of the groove 31 so as to prevent the wire from being scratched when the wire is clamped into the conductive bayonet portion 52 downward.

As shown in fig. 1 to 2, preferably, the outer side and the upper side of the groove 31 are provided with third chamfer slopes 35 to expose the conductive bayonet portion 52 for the wire to be clipped in.

As shown in fig. 1 and 3, it is preferable that the connection portion 3 and the winding portion 2 of the wire holder body 1 are made of a single plastic, the conductive connector 5 is formed integrally with the wire holder body 1 as an insert by injection molding, and the conductive connector 5 has a conductive portion 53 which is wrapped by the wire holder body 1 and is not exposed to the outside for connecting the conductive lead portion 51 and the conductive bayonet portion 52.

As mentioned above, the present disclosure is directed to a transformer bobbin, and all technical solutions that are the same as or similar to the present disclosure should be considered as falling within the scope of the present disclosure.

Claims

1. The utility model provides a transformer line frame, its characterized in that includes line frame body (1), line frame body (1) is equipped with winding portion (2) that are used for supplying the wire to twine and form the winding on it, both ends are connected with wiring portion (3) respectively around winding portion (2), run through around being equipped with in winding portion (2) and wiring portion (3) so that supply passageway (4) wherein the iron core installation, all be fixed with a plurality of electrically conductive connectors (5) on wiring portion (3), electrically conductive connector (5) are equipped with and are located electrically conductive pin portion (51) of wiring portion (3) lower extreme, be located wiring portion (3) upper end opening upwards is used for supplying the wire card at electrically conductive bayonet part (52) wherein.

2. A transformer bobbin as claimed in claim 1, characterised in that the connection portions (3) at the conductive bayonet portions (52) are each provided with a recess (31) for accommodating solder, the recesses (31) being provided with an opening which is open towards the outside and upwards.

3. A transformer bobbin as claimed in claim 2, characterised in that the recess (31) is provided with a notch (32) at a side thereof adjacent to the winding portion (2) for facilitating the insertion of a conductor into the conductive notch portion (52), the bottom of the notch (32) being higher than the winding portion (2).

4. A transformer bobbin as claimed in claim 3, characterized in that the notch (32) is provided with a first chamfer (33) near the conductive bayonet part (52) and a second chamfer (34) near the outside of the bottom of the groove (31) to prevent the wires from scratching when the wires are clamped down into the conductive bayonet part (52).

5. A transformer bobbin as claimed in claim 2, characterised in that the outer and upper side of the recess (31) are provided with a third chamfered ramp (35) to expose the conductive bayonet portion (52) for a wire to be snapped into.

6. A transformer bobbin according to any one of claims 1-5, characterized in that the connection part (3) and the winding part (2) of the bobbin body (1) are made of a single plastic material, the conductive connector (5) is integrally injection-molded with the bobbin body (1) as an insert, and the conductive connector (5) is provided with a conductive part (53) which is wrapped by the bobbin body (1) and is not exposed to the outside for connecting the conductive lead part (51) and the conductive bayonet part (52).