CN205004477U - Reversible pluggable female connector - Google Patents

Abstract

The utility model discloses a female connector capable of being plugged in and out positively and negatively, which comprises a seat body, a plurality of butt-joint terminals and a shielding shell body which is wrapped and positioned outside the seat body, wherein the seat body comprises an upper seat and a lower seat, a plurality of butt-joint terminals are clamped and positioned between the upper seat and the lower seat, two sides of the tongue plate extending towards one side of the base of the seat body are provided with buckling grooves, butt-joint parts in the butt-joint terminals are positioned on the upper surface and the lower surface of the tongue plate, the butt-joint parts in the butt-joint terminals form a welding part exposed out of the base part along a bending part bent downwards, an expansion part extending horizontally and a butt-joint part positioned in the buckling grooves are arranged in front of the butt-joint parts in the two butt-joint terminals close to the outermost sides of the buckling grooves, the butt-joint terminal made of metal can be used to generate friction with the buckling elastic sheet so as to avoid the structural damage caused by the repeated plugging and unplugging of two sides of the tongue plate of the plastic insulating base body.

Description

Reversible pluggable female connector

technical field

The utility model relates to a reversible plug-in female connector, in particular to a base body of the female connector comprising an upper seat and a lower seat, and a plurality of butt terminals are interposed and positioned between the upper seat and the lower seat, and The front of the butt joint part of the two outermost butt terminals near the buckle groove is provided with a horizontally extending expansion part and an abutment part located in the buckle groove, and the butt terminals made of metal are rubbed to avoid repeated contact. Structural damage caused by plugging and unplugging.

Background technique

Among the types of electrical connectors commonly used in electronic equipment today, the electrical connectors of the Universal Serial Bus (USB) specification are the most used, and change with the specification of the Universal Serial Bus, such as USB2.0, USB3.0, micro Universal Serial Bus (MicroUSB), Mini Universal Serial Bus (MiniUSB) or Universal Serial Bus Type-C and other specifications, there are more types available for application, among which the female connector of Universal Serial Bus Type-C specification The connector can provide the male connector to be plugged in the front type or the reverse type, and the terminal group of the Universal Serial Bus Type-C female connector includes multiple terminals on the tongue plate and the lower surface of the docking part. An upper row of terminals and a plurality of lower rows of terminals, and the plurality of upper and lower rows of terminals include terminal groups that can transmit high frequency, low frequency and power supply. In addition, there are generally in-position detection terminals at the butt joint of the tongue plate , in addition, in order to cope with the interference caused by high-frequency transmission or noise, it is convenient to install a metal partition between the upper and lower rows of terminals on the tongue plate, and the metal partition is sandwiched between the upper row of terminals and the multiple terminals. Between the insulating rubber seats of the lower row of terminals, it can be formed into a female connector, and there are grooves on both sides of the tongue plate that can be elastically buckled by the fixed terminals on the left and right sides of the plug-in part of the male connector. , the edges on both sides of the metal partition are also located in the groove to prevent the tongue plate of the insulating rubber seat from being damaged when plugging and unplugging. However, the Universal Serial Bus Type-C is a new standard connector, and the overall structure of the female connector Complicated, difficult to design and high in cost, if the female connector is used in electronic devices with only low-frequency signals (such as mobile phones, tablet computers, etc.), the number of terminals used does not require so many terminals, and the high-frequency signal can be omitted Terminals only need to be reserved for low-frequency signal and power supply terminals. In addition to considering whether the overall structure of the female connector for such low-frequency signals is simple and low-cost, it is also necessary to consider the use of the male connector and the female connector. Stability during plugging, so how to solve the above-mentioned problems and deficiencies is the direction that those skilled in the art want to study and improve.

Utility model content

In view of the above-mentioned deficiencies, the inventor of this case has collected relevant information, evaluated and considered in many ways, and based on years of experience accumulated in this industry, through continuous trial and modification, he designed this low-cost and structurally-damaged structure. Reversible pluggable female connector.

The main purpose of this utility model is that the seat body includes an upper seat and a lower seat, and a plurality of butt terminals are interposed and positioned between the upper seat and the lower seat. The buckling groove, the front of the butt joint part of the two outermost butt terminals near the buckling groove is provided with a horizontally extending expansion part and an abutment part located in the buckling groove. This method can be made of metal The butt terminal rubs against the buckling elastic piece, which is also made of metal, so as to avoid structural damage caused by repeated insertion and extraction of the two sides of the tongue plate of the insulating seat body made of plastic.

The secondary purpose of this utility model is that the seat body of the female connector includes an upper seat and a lower seat, and a plurality of butt terminals are interposed and positioned between the upper seat and the lower seat. A tongue plate is extended, and the upper and lower surfaces of the tongue plate are respectively provided with multiple low-frequency signal docking terminals, multiple power supply docking terminals, multiple detection docking terminals and multiple grounding docking terminals. This design can save The metal partition in the tongue plate of the existing universal serial bus Type-C standard female connector can also simplify the overall structure and make it easier to design, and the component cost and manufacturing cost can also be greatly reduced accordingly.

Another object of the present utility model is that a horizontally extending expansion part and an abutment part located in the buckling groove are provided in front of the butt joint parts of the two outermost butt joint terminals close to the buckling groove, Since the two outermost butt terminals are for grounding, there is no need to consider the problem of impedance matching, and the grounding butt terminals can be thickened. The thickness of the two outermost butt terminals near the buckle groove is larger than that of other butt joints. The thickness of the terminal makes it possible for the buckling shrapnel on both sides of the male connector to slide into the buckling groove, which can actually contact the butt terminal for grounding, and increase the contact friction area between the two to achieve the purpose of sure grounding and prolonging the service life. .

Another object of the utility model is that the seat body of the female connector includes an upper seat and a lower seat, and a plurality of butt terminals are interposed and positioned between the upper seat and the lower seat, and the upper surface and the lower surface of the tongue plate are respectively provided with Multiple low-frequency signal butt terminals, multiple power supply butt terminals, multiple detection butt terminals and multiple grounding butt terminals, omitting high-frequency signal terminals, so metal separators can be saved, and the upper and lower seats are not separated. It needs to be formed by expensive in-mold injection, and the two sides of the base are respectively provided with a buckle groove and a buckle hook that are opposite to each other, so that the upper seat and the lower seat can be inserted and assembled relative to each other, and are formed by using the buckle groove and the buckle hook. Positioning to reduce components and reduce costs.

In order to achieve the above purpose, the utility model discloses a reversible pluggable female connector, including a seat body, a plurality of butt terminals and a shielding shell, wherein:

The seat body includes an upper seat and a lower seat, a plurality of butt terminals are interposed and positioned between the upper seat and the lower seat, and the surface of the upper seat and the lower seat are provided with corresponding passages for positioning a plurality of butt terminals, and the seat body is provided with a a base portion, a tongue plate extending toward one side from the base portion, and both sides of the tongue plate are provided with buckling grooves;

The butt joints of the plurality of butt joint terminals are located on the upper and lower surfaces of the tongue plate, and the joint joints of the plurality of butt joint terminals form a welded part exposed outside the base along a downwardly bent bent part, close to the buckle A horizontally extending expansion part and an abutting part located in the buckling groove are provided in front of the butt joint parts of the two outermost butt joint terminals of the groove; and

The shielding shell is wrapped and positioned outside the base, and the shielding shell forms a docking space at the tongue plate for plugging the male connectors in forward and reverse directions.

In an embodiment of the present invention, the two sides of the base are respectively provided with a buckle groove and a buckle hook which are oppositely buckled.

In one embodiment of the present invention, the tongue plate in the seat body is arranged at the central position to divide the docking space into an upper layer and a lower layer, and the upper and lower surfaces of the tongue plate are respectively provided with a plurality of low-frequency signal docking terminals , multiple power docking terminals, multiple detection docking terminals, and multiple grounding docking terminals. Terminals and butt terminals for low-frequency signals.

In an embodiment of the present invention, a plurality of positioning feet protruding downward are provided on both sides of the shielding case.

In an embodiment of the present invention, the thickness of the two outermost butt terminals close to the buckling groove is greater than the thickness of the other butt terminals.

In one embodiment of the present invention, the front of the butt joint parts of the two outermost butt terminals close to the holding grooves of the plurality of butt terminals is provided with a turning part that is bent from the outside to the rear, and then bent toward The step difference extending obliquely is provided with a horizontally extending expansion part and an abutting part located in the buckling groove behind the step difference.

Description of drawings

Fig. 1 is the three-dimensional exterior view of the utility model;

Fig. 2 is a three-dimensional exploded view of the utility model;

Fig. 3 is another three-dimensional exploded view of the utility model;

Fig. 4 is another three-dimensional exploded view of the utility model;

Figure 5 is a top sectional view of the utility model;

Fig. 6 is a perspective view of the utility model before plugging;

Fig. 7 is a top sectional view of the utility model before plugging;

Fig. 8 is a top sectional view of the utility model after plugging;

Fig. 9 is a three-dimensional exploded view of another embodiment of the present invention.

Explanation of reference signs: 1-female connector; 11-seat body; 110-docking space; 1101-channel; 111-base; 1111-buckle groove; Groove; 12-butting terminal; 121-butting part; 1211-butting part; 1212-expanding part; 1213-turning part; 1214-step difference; 122-welding part; - positioning feet; 2 - male connector; 21 - insertion space; 22 - buckle shrapnel.

detailed description

In order to achieve the above-mentioned purpose and effect, the technical means and the structure adopted by the utility model are hereby drawn to illustrate in detail the features and functions of the preferred embodiments of the utility model as follows.

As shown in Figure 1, Figure 2, Figure 3, Figure 4, and Figure 5, it can be clearly seen from the figures that the female connector 1 provided by the utility model includes a seat body 11, a plurality of butt terminals 12 and a shielding shell 13, wherein the seat body 11 includes an upper seat and a lower seat, and a plurality of butt terminals 12 are interposed and positioned between the upper seat and the lower seat, and the surface of the upper seat and the lower seat are provided with corresponding channels 1101 for positioning a plurality of butt terminals 12 , the base 11 is provided with a base 111, a tongue 112 is extended from the base 111 to one side, and the two sides of the base 111 are respectively provided with a buckle groove 1111 and a buckle 1112 for buckling, and a plurality of docking terminals 12 The butt joint portion 121 is located on the upper surface and the lower surface of the tongue plate 112, and the butt joint portion 121 in the plurality of butt joint terminals 12 forms a welding portion 122 exposed outside the base portion 111 along a downwardly bent bent portion 123. In addition, both sides of the tongue plate 112 are provided with buckling grooves 1121, and in front of the butt joint portions 121 of the two outermost docking terminals 12 near the buckle grooves 1121 are horizontally extending expansion portions 1212 and The abutting part 1211 is located in the buckling groove 1121. In addition, the seat body 11 is covered with a shielding shell 13. The shielding shell 13 is formed on the tongue plate 112 to allow the male connector 2 to be inserted in the forward and reverse directions. The two sides of the shielding case 13 are provided with a plurality of downward protruding positioning feet 131 .

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, and Fig. 8, the female connector 1 includes a base body 11 and a plurality of butt terminals 12 pierced through the base body 11 And the shielding shell 13 that covers the outside of the seat body 11, the tongue plate 112 in the seat body 11 is arranged at the central position to divide the docking space 110 into an upper layer and a lower layer, and the upper surface and the lower surface of the tongue plate 112 are respectively There are multiple low-frequency signal docking terminals 12, multiple power supply docking terminals 12, multiple detection docking terminals 12, and multiple grounding docking terminals 12, wherein the multiple grounding docking terminals 12 are located on the outside of both sides. That is, in the two docking terminals 12 with the horizontally extending expansion part 1212 and the abutting part 1211, the inner sides of the two grounding docking terminals 12 are the power docking terminal 12, the detection docking terminal 12 and the low frequency signal docking terminal respectively. 12. Therefore, when the male connector 2 is plugged into the female connector 1 either from the front or the reverse side, the tongue plate 112 inserted into the female connector 1 is inserted into the insertion space 21 of the male connector 2 And it is electrically connected with the docking terminal 12 in the docking space 110 of the upper layer and the lower layer, so the male connector 2 can be smoothly inserted into the female connector 1 no matter whether it is plugged into the front type or the reverse type, and generates electrical sexual connection.

However, whether the above-mentioned male connector 2 is inserted into the female connector 1 from the front or the reverse side, the buckling springs 22 on both sides of the male connector 2 are along the center of the female connector 1 . The two sides of the tongue plate 112 and the outer side of the expansion part 1212 of the docking part 121 of the docking terminal 12 are pushed against and elastically deformed, and then slide into the buckling groove 1121 and the abutting part 1211 to form a positioning. This method can use metal The produced butt terminal 12 rubs against the buckle elastic piece 22, which is also made of metal, so as to avoid structural damage caused by the two sides of the tongue plate 112 of the insulating seat 11 made of plastic being repeatedly plugged and pulled out. This design can also save the metal partition in the tongue plate of the existing universal serial bus Type-C female connector, which can make the overall structure more simplified and easy to design, and the cost of components and manufacturing can also be greatly reduced accordingly. It is used on the female connector 1 of the low-frequency Universal Serial Bus Type-C specification.

The seat body 11 of the female connector 1 includes an upper seat and a lower seat, and a plurality of butt terminals 12 are interposed and positioned between the upper seat and the lower seat, and the butt joint portions 121 of the plurality of butt terminals 12 are located on the upper surface of the tongue plate 112 and On the lower surface, the upper surface and the lower surface of the tongue plate 112 are respectively provided with a plurality of low-frequency signal docking terminals 12, a plurality of power supply docking terminals 12, a plurality of detection docking terminals 12 and a plurality of grounding docking terminals 12. The high-frequency signal terminal is added, so the metal partition plate can be saved, the upper seat and the lower seat do not need to be formed by expensive in-mold injection, and the two sides of the base 111 are respectively provided with a buckle groove 1111 and a buckle The hook 1112 allows the upper seat and the lower seat to be inserted and assembled relative to each other, and the buckle groove 1111 and the buckle hook 1112 are used to form positioning, so as to reduce components and reduce costs.

As shown in Fig. 3, Fig. 4, Fig. 7, Fig. 8, and Fig. 9, a plurality of butt terminals 12 near the outermost two butt terminals 121 of the buckling groove 1121 are provided with a horizontally extending expansion in front of the butt portion 121. part 1212 and the abutment part 1211 located in the buckle groove 1121. In addition, in another embodiment, a turning part 1213 that is bent from the outside to the rear can be provided in front of the butt joint part 121 of the two butt joint terminals 12, and then bent There is a step difference 1214 extending obliquely upward, and behind the step difference 1214 there is a horizontally extending expansion part 1212 and an abutment part 1211 located in the buckling groove 1121; since the two outermost butt terminals 12 are used for grounding, it is not necessary to The problem of impedance matching needs to be considered, so that the butt terminals 12 for grounding can be thickened, and the thickness of the two outermost butt terminals 12 close to the holding groove 1121 is greater than the thickness of the other butt terminals 12, so that the male connector 2 has two sides. When the buckling elastic piece 22 on the side slides into the buckling groove 1121, it can surely contact the docking terminal 12 for grounding, and increase the contact friction area between the two, so as to achieve the purpose of sure grounding and prolonging the service life.

In this utility model, only the basic form of the female connector is mentioned, which does not limit the scope of protection of the utility model. If other modifications and equivalent structural changes are used, they should be included in the scope of protection of the utility model in the same way. Inside, together with Chen Ming.

Claims (6)

1. A reversible pluggable female connector, including a seat body, a plurality of butt terminals and a shielding shell, characterized in that: The seat body includes an upper seat and a lower seat, a plurality of butt terminals are interposed and positioned between the upper seat and the lower seat, and the surface of the upper seat and the lower seat are provided with corresponding passages for positioning a plurality of butt terminals, and the seat body is provided with a a base portion, a tongue plate extending toward one side from the base portion, and both sides of the tongue plate are provided with buckling grooves; The butt joints of the plurality of butt joint terminals are located on the upper and lower surfaces of the tongue plate, and the joint joints of the plurality of butt joint terminals form a welded part exposed outside the base along a downwardly bent bent part, close to the buckle A horizontally extending expansion part and an abutting part located in the buckling groove are provided in front of the butt joint parts of the two outermost butt joint terminals of the groove; and The shielding shell is wrapped and positioned outside the base, and the shielding shell forms a docking space at the tongue plate for plugging the male connectors in forward and reverse directions. 2 . The reversible pluggable female connector according to claim 1 , wherein two sides of the base are respectively provided with a corresponding buckle groove and a buckle hook. 3 . 3. The reversible pluggable female connector according to claim 1, characterized in that, the tongue plate in the seat body is arranged at the central position to divide the docking space into an upper layer and a lower layer, and the tongue plate The surface and the lower surface are respectively provided with multiple low-frequency signal docking terminals, multiple power supply docking terminals, multiple detection docking terminals, and multiple grounding docking terminals. Multiple grounding docking terminals are located on the outside of both sides, and multiple grounding The inner sides of the docking terminals used are power docking terminals, detection docking terminals, and low-frequency signal docking terminals. 4 . The reversible pluggable female connector according to claim 1 , wherein a plurality of positioning feet protruding downward are provided on both sides of the shielding shell. 5 . The reversible pluggable female connector according to claim 1 , wherein the thickness of the two outermost butt terminals close to the locking groove is greater than the thickness of the other butt terminals. 6 . 6. The reversible pluggable female connector according to claim 1, characterized in that, the plurality of butt terminals are arranged in front of the butt joint parts of the two outermost butt terminals close to the buckling groove. The turning part bent backward on the outer side is further bent with a step extending obliquely upwards, and behind the step there is a horizontally extending expansion part and an abutting part located in the buckling groove.