CN222734788U

CN222734788U - A network transformer and its pin structure

Info

Publication number: CN222734788U
Application number: CN202421411781.9U
Authority: CN
Inventors: 甘伟
Original assignee: Shenzhen Hengxingfa Plastic Electronics Co ltd
Current assignee: Shenzhen Hengxingfa Plastic Electronics Co ltd
Priority date: 2024-06-19
Filing date: 2024-06-19
Publication date: 2025-04-08
Anticipated expiration: 2034-06-19

Abstract

The utility model relates to a network transformer and a pin structure thereof, wherein the pin structure comprises a pin part, a wiring part and a positioning part connected with the pin part and the wiring part, the positioning part comprises a positioning section, the extending direction of the positioning section is opposite to the extending direction of the pin part, and the wiring part is respectively arranged at an included angle with the plane of the pin part and the plane of the positioning section. In the utility model, the pin structure is provided with the positioning section, when the pin structure is installed in the shell, the positioning section plays a role in positioning and installing, and the wiring part and the plane of the pin part and the plane of the positioning part are arranged at an included angle, so that the lead of the iron core unit can be relatively and fixedly wound on the wiring part, thereby bringing convenience to production.

Description

Network transformer and pin structure thereof

Technical Field

The present utility model relates to the field of network transformers, and in particular, to a network transformer and a pin structure thereof.

Background

The network transformer is also called data mercury, and has two main functions on the network card, namely, data transmission, that is, differential signals sent by PHY are filtered by using differential mode coupled coil coupling to strengthen the signals and are coupled to the other end of a connecting network cable with different levels through the conversion of electromagnetic fields, and the different levels between different network devices connected with the isolating network cable are isolated to prevent the devices from being damaged by the transmission of different voltages through the network cable. Besides, the network transformer can also play a role in lightning protection for equipment.

In the related art, the pin structures of some network transformers only comprise pin parts for being inserted into a PCB and wiring parts for being connected with the wires of the iron core units, and are not provided with related positioning structures, so that the positioning and the installation of the pin structures are inconvenient, and the pin parts and the wiring parts of some pin structures are arranged in a straight shape, so that the connection of the wiring parts and the wires of the iron core units is not facilitated, and the production efficiency is lower.

Disclosure of utility model

The present utility model addresses the above-mentioned shortcomings of the prior art by providing an improved network transformer and pin structure thereof.

The utility model solves the technical problems by adopting the technical scheme that a pin structure is constructed, the pin structure comprises a pin part, a wiring part and a positioning part connected with the pin part and the wiring part, the positioning part comprises a positioning section, and the extending direction of the positioning section is opposite to the extending direction of the pin part;

The wiring part is respectively arranged at an included angle with the plane of the pin part and the plane of the positioning section.

In some embodiments, the pin portion includes a first end and a second end disposed opposite the first end, and one end of the wire portion is connected to the first end of the pin portion.

In some embodiments, the wire connection portion is perpendicular to the pin portion, the wire connection portion is disposed in an L-shape with the pin portion, and/or,

The wiring portion is concavely disposed near the other end thereof, and forms a narrowed portion.

In some embodiments, the positioning segment is parallel to the pin portion.

In some embodiments, the positioning portion is located at one side of the pin portion, and the positioning portion further includes a connection section, where the connection section connects the positioning section and the pin portion.

In some embodiments, the locating portion is located on the same plane as the pin portion;

The positioning section comprises a head end and a tail end which is opposite to the head end, one end of the connecting section is connected with the head end of the positioning section, and the other end of the connecting section is connected with the first end of the pin part.

In some embodiments, the positioning section is provided with a first protrusion, and the first protrusion is located on at least one surface of other outer surfaces of the positioning section except for two end surfaces in the extending direction of the positioning section.

In some embodiments, the surface of the connection part is provided with a second convex part, and the second convex part is positioned on the outer surface of at least one of two sides of the connection part.

The utility model also provides a network transformer, which comprises a shell and a plurality of pin structures, wherein the shell is internally provided with a containing groove for containing the iron core unit;

The side of casing is equipped with a plurality of mounting grooves, and a plurality of pin structure cartridge respectively in a plurality of the mounting groove, the prong portion is towards the back one side of holding groove stretches out, the one end of wiring portion is followed the one end of mounting groove stretches out outside the casing, and with the holding groove intercommunication.

In some embodiments, at least the locating section is an interference fit with an inner wall surface of the mounting groove.

The network transformer and the pin structure thereof have the following beneficial effects:

The pin structure is provided with the positioning section, when the pin structure is installed in the shell, the positioning section plays a role in positioning and installing, and the wiring part and the plane of the pin part and the plane of the positioning part are arranged at an included angle, so that the lead of the iron core unit can be relatively and fixedly wound on the wiring part, and convenience is brought to production.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

Fig. 1 is a schematic structural diagram of a part of the structure of a network transformer according to an embodiment of the present utility model;

FIG. 2 is an exploded view of the network transformer of FIG. 1;

FIG. 3 is a schematic diagram of the pin structure shown in FIG. 2;

FIG. 4 is an enlarged partial view of area A of FIG. 2;

FIG. 5 is a cross-sectional view of the network transformer of FIG. 1;

Fig. 6 is a schematic structural diagram of a stamping die of a pin structure according to an embodiment of the present utility model.

In the drawings, 10, network transformer, 1, housing, 11, receiving slot, 12, side, 13, mounting slot, 131, first opening, 132, second opening, 133, first slot portion, 134, second slot portion, 135, third slot portion, 14, spacing slot, 2, pin structure, 21, plug foot portion, 211, first end, 212, second end, 22, wire connection portion, 221, narrowing portion, 222, second protrusion, 23, positioning portion, 231, positioning segment, 2311, head end, 2312, tail end, 2313, first protrusion, 232, connecting segment, 20.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are merely for convenience of description of the present utility model, not to indicate that the apparatus or element referred to must have specific directions, and thus should not be construed as limiting the present utility model.

It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediate medium, or in communication between two elements or in an interaction relationship between two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," "third," and the like are used merely for convenience in describing the present utility model and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," etc. may explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Fig. 1 and 2 show a network transformer 10 according to an embodiment of the utility model, which network transformer 10 is applicable to an RJ45 connector, which network transformer 10 comprises a housing 1 and a number of pin structures 2. As shown in fig. 3, the pin structure 2 may include a pin portion 21, a wire connection portion 22, and a positioning portion 23 connected to the pin portion 21 and the wire connection portion 22, and it is understood that the pin portion 21, the wire connection portion 22 and the positioning portion 23 are connected to form a pin structure 2 as a whole, so as to facilitate the installation of the pin structure 2.

The pin portion 21 may extend in one direction, and may include a first end 211 and a second end 212 disposed opposite to the first end 211, and one end of the wire portion 22 is connected to the first end 211 of the pin portion 21. It can be understood that the pin portion 21 may be disposed in a straight shape, the first end 211 of the pin portion 21 is used for being connected with the wire connection portion 22, and the second end 212 of the pin portion 21 is used for being connected with the RJ45 connector, wherein the second end 212 of the pin portion 21 may be plugged onto the PCB board to be connected with the RJ45 connector.

The pin portion 21 may be gradually reduced in width from a position near the second end 212 to the second end 212 so as to facilitate plugging with the PCB. It will be appreciated that the length of extension of the pins 21 may be set as desired.

The wiring parts 22 are respectively arranged at an included angle with the plane of the pin part 21 and the plane of the positioning part 23, so that the wiring parts 22 are respectively arranged at an included angle with the pin part 21 and the positioning part 23. It will be appreciated that when the lead frame 2 is mounted on the housing 1, the wire connection portion 22 and the lead portion 21 will extend in different directions, so that the fixing effect of the wire is good and the winding of the wire is facilitated when the core unit is wound on the wire connection portion 22 through the wire to be in conductive contact with the wire connection portion 22.

The wire connection portion 22 is perpendicular to the pin portion 21, the wire connection portion 22 and the pin portion 21 are provided in an L-shape, and/or the wire connection portion 22 is concavely provided near the other end thereof and forms a narrowed portion 221. It is understood that the meaning of "and/or" may be arranged in the former way, in the latter way, or in both the former and the latter way.

In this embodiment, the former and the latter are provided at the same time, that is, the wire portion 22 is perpendicular to the pin portion 21, the wire portion 22 and the pin portion 21 are provided in an L-shape, and the wire portion 22 is concavely provided near the other end thereof, and the narrowed portion 221 is formed. As can be appreciated, one end of the wire portion 22 is connected to the first end 211 of the pin portion 21, and the wire portion 22 is perpendicular to the pin portion 21, such that the wire portion 22 and the pin portion 21 are in an L-shaped arrangement. Of course, in other embodiments, the connection portion 22 and the pin portion 21 may be disposed at other angles, such as an angle approaching 90 °.

The wire connection part 22 may be disposed in a substantially straight shape, and the wire connection part 22 is recessed inward at both sides near the other end thereof such that the width of the wire connection part 22 at the place is smaller than the width of both ends thereof, i.e., the width of the wire connection part 22 at the place is locally reduced, thereby forming the narrowed portion 221. As can be appreciated, the wire of the core unit is fixed by being wound around the narrowed portion 221, so that the wire is not easily slid on the wire connection portion 22.

The positioning portion 23 includes a positioning section 231, and an extending direction of the positioning section 231 is opposite to an extending direction of the pin portion 21. It will be appreciated that when the pin structure 2 is mounted on the housing 1, the positioning section 231 cooperates with the housing 1 to realize positioning and mounting of the pin structure 2, and the pin portion 21 extends toward a side facing away from the housing 1 so as to be connected with the RJ45 connector. Wherein, the junction 22 and the locating portion 23 are disposed at an included angle, and the junction 22 and the locating portion 231 are disposed at an included angle.

The positioning segment 231 may be parallel to the pin portion 21, i.e., the positioning segment 231 and the pin portion 21 extend in opposite and parallel directions, respectively. Of course, in other embodiments, the positioning segment 231 may be non-parallel to the pin portion 21, such as an angle of approximately 0 ° or 180 ° therebetween.

The positioning portion 23 may be located at one side of the pin portion 21, and the positioning portion 23 may further include a connection section 232, where the connection section 232 connects the positioning section 231 and the pin portion 21. It can be understood that the connection portion 22 and the pin portion 21 are connected to form an L-shaped integral body, and the positioning section 231 is connected to the L-shaped integral pin portion 21 through the connection section 232, so that the pin portion 21, the connection portion 22 and the positioning portion 23 are connected to form a pin structure 2 integral body.

The positioning portion 23 and the pin portion 21 may be located on the same plane, the positioning segment 231 may include a head end 2311 and a tail end 2312 opposite to the head end 2311, one end of the connecting segment 232 is connected to the head end 2311 of the positioning segment 231, and the other end of the connecting segment 232 is connected to the first end 211 of the pin portion 21. Of course, in other embodiments, the positioning portion 23 and the pin portion 21 may be located on different planes, for example, the positioning section 231 of the positioning portion 23 is connected between one end and the other end of the wire portion 22 through the connecting section 232, and of course, the connecting section 232 and the positioning section 231 may also be located on different planes.

The connecting section 232 may be perpendicular to the positioning section 231, i.e. the connecting section 232 and the positioning section 231 are L-shaped, i.e. the positioning portion 23 is L-shaped. Of course, in other embodiments, the connecting section 232 may be disposed at other angles with respect to the positioning section 231.

The pin structure 2 may be provided with a protrusion structure and is engaged with the housing 1 through the protrusion structure to be firmly mounted to the housing 1. In this embodiment, the protrusion structure may include a first protrusion 2313, and in particular, the positioning segment 231 may be provided with the first protrusion 2313, and the first protrusion 2313 may be located on at least one of the other outer surfaces of the positioning segment 231 except for the two end surfaces in the extending direction thereof.

It will be appreciated that the positioning segment 231 extends in one direction from its head end 2311 to its tail end 2312 and may be in a straight shape. The cross section of the positioning segment 231 may be rectangular, and the positioning segment 231 may include six outer surfaces, specifically including two end surfaces located in the extending direction of the positioning segment 231, and four outer surfaces located in the circumferential direction of the positioning segment 231. It can be appreciated that the two end surfaces in the extending direction are two surfaces disposed opposite to each other in the head end 2311 and the tail end 2312 of the positioning segment 231.

The first protrusion 2313 may be provided on at least one of the four outer surfaces of the positioning segment 231 such that when the pin structure 2 is mounted to the housing 1, the positioning segment 231 may be interference-fitted with the housing 1 through the first protrusion 2313 to firmly position the mounting.

In this embodiment, the first protrusion 2313 may be disposed on an outer surface of the positioning segment 231 at a side remote from the wire connection part 22, and the first protrusion 2313 may include at least one protrusion that may be disposed at intervals along an extending direction of the positioning segment 231.

The protrusion structure may further include a second protrusion 222, and in particular, the second protrusion 222 may be provided on the surface of the wire connection part 22, and the second protrusion 222 may be located on the outer surface of at least one of both sides of the wire connection part 22. In this embodiment, the second protruding portion 222 may be disposed on the outer surface of the wire portion 22 on the side close to the positioning section 231 and the side far from the positioning section 231. Wherein, the second protrusion 222 may include at least one protrusion, which may be spaced apart along the extending direction of the wire connection portion 22.

Of course, in other embodiments, the second protrusion 222 may be disposed only on the outer surface of the side of the wire connection portion 22 near the positioning section 231, or only on the outer surface of the side of the wire connection portion 22 far from the positioning section 231.

The second protrusion 222 may be disposed between the narrowed portion 221 and one end of the connection portion 22 connected to the pin portion 21, so that the connection portion 22 is engaged with the housing 1 without affecting the winding of the wire.

The pin structure 2 is an integrally formed structure, alternatively, the pin structure 2 may be formed from a copper sheet through a stamping process, and the stamping die 20 may be implemented using the stamping die 20 shown in fig. 6. Of course, other materials with good conductivity can be used for the pin structure 2.

As shown in fig. 2 and 5, the housing 1 of the network transformer 10 is provided with a receiving groove 11 for receiving the core unit inside, and the side 12 of the housing 1 is provided with a plurality of mounting grooves 13. It will be appreciated that the housing 1 comprises at least two side portions 12 arranged along the circumferential direction, the at least two side portions 12 together defining the receiving groove 11. Of course, the housing 1 may be recessed downward to form the accommodating groove 11, and the housing 1 may be formed with at least two side portions 12 in the circumferential direction of the accommodating groove 11. It is understood that the at least two side portions 12 may include four side portions 12.

The side portion 12 forms a plurality of mounting grooves 13 at a side facing away from the accommodating groove 11, and the plurality of pin structures 2 are respectively inserted into the plurality of mounting grooves 13. Wherein, the pin portion 21 extends towards one side facing away from the accommodating groove 11, and the other end of the wiring portion 22 extends out of the housing 1 from the top of the mounting groove 13 and is communicated with the accommodating groove 11.

Specifically, as shown in fig. 2 and 4, the mounting groove 13 has a first opening 131 facing away from the accommodating groove 11, and the shape of the mounting groove 13 is adapted to the shape of the pin structure 2, so that the pin structure 2 can be moved from the side 12 away from the accommodating groove 11 to the side close to the accommodating groove 11, and inserted into the mounting groove 13.

It will be appreciated that the positioning portion 23 of the pin structure 2 is inserted towards the side of the mounting groove 13, so that when the pin structure 2 is inserted into the mounting groove 13, the positioning portion 23 of the pin structure 2 is inserted into the housing 1 (as shown in fig. 5), and the pin portion 21 protrudes outwards towards the side facing away from the receiving groove 11, so as to be connected with an RJ45 connector.

As shown in fig. 4 and 5, the mounting groove 13 may have a second opening 132 penetrating one end of the side portion 12, and the second opening 132 communicates with the receiving groove 11. Therefore, when the pin structure 2 is inserted into the mounting groove 13, one end of the wire connection portion 22 remote from the pin portion 21 protrudes from the second opening 132 of the mounting groove 13 out of the housing 1 and communicates with the accommodation groove 11. It will be appreciated that the narrowed portion 221 of the wiring portion 22 protrudes from the second opening 132 of the mounting groove 13 out of the housing 1. The second opening 132 may extend through the top or bottom end of the side 12.

As can be appreciated, after the core unit is mounted in the accommodating groove 11, the core unit may be wound on the narrowed portion 221 of the wire connection portion 22 by a wire, so that the connection effect of the core unit and the pin structure 2 is good, and the connection stability is good.

As shown in fig. 4 and 5, each mounting groove 13 may be correspondingly provided with a first groove 133, a second groove 134 and a third groove 135, wherein the first groove 133 extends along the thickness direction of the side portion 12 for inserting the positioning segment 231, the second groove 134 is provided for mounting the wire connection portion 22, and the third groove 135 is provided for mounting the connection segment 232 and the head end 2311 of the pin portion 21. It will be appreciated that the first opening 131 is formed on the second groove 134 and the third groove 135 to facilitate the insertion of the pin structure 2 into the mounting groove 13, and the second opening 132 is formed on the second groove 134.

At least the positioning section 231 is interference fit with the inner wall surface of the mounting groove 13. It will be appreciated that the housing 1 may be made of plastic, and the positioning segment 231 is interference fit with the inner wall surface of the first groove portion 133 through the first protrusion 2313 thereon, so that the pin structure 2 is firmly mounted in the mounting groove 13.

Further, the wiring portion 22 can be in interference fit with the inner wall surface of the second groove portion 134 through the second protruding portion 222 thereon, so that the mounting of the pin structure 2 is more firm and reliable.

As shown in fig. 2 and 5, the housing 1 may be provided with two accommodating grooves 11, and the two accommodating grooves 11 are respectively disposed opposite to each other and are open. In the direction shown in fig. 5, one receiving groove 11 penetrates the top of the housing 1, the other receiving groove 11 penetrates the bottom of the housing 1, and the two receiving grooves 11 are spaced apart.

A plurality of pin structures 2 are respectively installed on both sides of the two accommodating grooves 11. It is understood that the mounting groove 13 is disposed corresponding to the receiving groove 11, and the mounting groove 13 is disposed corresponding to the receiving groove 11 on opposite sides thereof. It will be appreciated that the network transformer 10 has two receiving slots 11, two core units may be provided, respectively, so that the network transformer 10 may be connected with a dual-interface RJ45 connector, or with two single-interface RJ45 connectors.

As shown in fig. 2, the casing 1 may be provided with a plurality of limiting grooves 14, the limiting grooves 14 are disposed on one side of the casing 1 away from the mounting groove 13, that is, the limiting grooves 14 are disposed on the side of the accommodating groove 11, and the limiting grooves 14 may be disposed in one-to-one correspondence with the mounting grooves 13. The limiting groove 14 may gradually incline from one side close to the mounting groove 13 to one side close to the accommodating groove 11 toward the bottom direction of the accommodating groove 11, that is, the bottom surface of the limiting groove 14 inclines toward the bottom direction of the accommodating groove 11, so that the limiting groove 14 plays a role in guiding and limiting the wire when the wire of the iron core unit is wound on the wire connection portion 22. The limiting groove 14 may be disposed in a staggered manner with respect to the mounting groove 13.

The pin structure 2 of the utility model can be firmly positioned and installed on the shell 1, is convenient for being connected with the lead wires of the iron core unit, and brings convenience to production. The network transformer 10 can be provided with double iron core units, and has simple structure and strong universality.

It is understood that the foregoing examples merely illustrate preferred embodiments of the present utility model, and the description thereof is specific and detailed and not to be construed as limiting the utility model, and that it is understood that various changes and modifications can be made by one skilled in the art without departing from the spirit of the utility model, and that it is intended to cover all modifications and adaptations of the utility model as fall within the scope of the utility model.

Claims

1. A pin structure, characterized by comprising a pin part (21), a wiring part (22) and a positioning part (23) connected with the pin part (21) and the wiring part (22), wherein the positioning part (23) comprises a positioning section (231), and the extending direction of the positioning section (231) is opposite to the extending direction of the pin part (21);

The wiring part (22) is respectively arranged at an included angle with the plane of the pin part (21) and the plane of the positioning section (231).

2. The pin structure according to claim 1, wherein the pin portion (21) includes a first end (211) and a second end (212) disposed opposite the first end (211), and one end of the wire connection portion (22) is connected to the first end (211) of the pin portion (21).

3. The pin structure according to claim 2, wherein the connection portion (22) is perpendicular to the pin portion (21), the connection portion (22) and the pin portion (21) are provided in an L-shape, and/or,

The wiring portion (22) is concavely provided near the other end thereof, and forms a narrowed portion (221).

4. A pin structure according to claim 1, characterized in that the positioning section (231) is parallel to the pin section (21).

5. The pin structure according to claim 1, wherein the positioning portion (23) is located at one side of the pin portion (21), the positioning portion (23) further comprising a connection section (232), the connection section (232) connecting the positioning section (231) with the pin portion (21).

6. -Pin structure according to claim 5, characterized in that the positioning portion (23) is located on the same plane as the pin portion (21);

The positioning section (231) comprises a head end (2311) and a tail end (2312) which is opposite to the head end (2311), one end of the connecting section (232) is connected with the head end (2311) of the positioning section (231), and the other end of the connecting section (232) is connected with the first end (211) of the pin part (21).

7. The pin structure according to claim 1, wherein the positioning section (231) is provided with a first protrusion (2313), and the first protrusion (2313) is located on at least one of the outer surfaces of the positioning section (231) except for both end surfaces in the extending direction thereof.

8. The pin structure according to claim 1, wherein a second protrusion (222) is provided on a surface of the wiring portion (22), the second protrusion (222) being located on an outer surface of at least one of both sides of the wiring portion (22).

9. A network transformer, characterized by comprising a housing (1) and a number of pin structures (2) according to any of the preceding claims 1-8, said housing (1) being provided on the inside with a receiving slot (11) for receiving an iron core unit;

The side (12) of casing (1) is equipped with a plurality of mounting groove (13), a plurality of pin structure (2) cartridge respectively in a plurality of mounting groove (13), the portion of participating in (21) is towards facing away from one side of holding groove (11) stretches out, the one end of wiring portion (22) is followed the one end of mounting groove (13) stretches out outside casing (1), and with holding groove (11) intercommunication.

10. Network transformer according to claim 9, characterized in that at least the positioning segments (231) are interference fitted with the inner wall surface of the mounting groove (13).