CN211957998U - Card edge electric connector and electric component thereof - Google Patents

Abstract

The utility model discloses a card reason electric connector and electrical component thereof, electrical component includes a terminal module and a tandem piece. The terminal module comprises a rubber core and a plurality of conductive terminals fixed on the rubber core. Each conductive terminal comprises an embedded section embedded in the rubber core, a contact section extending from one end of the embedded section, and a welding section extending from the other end of the embedded section. The series connection piece is arranged on the rubber core of the terminal module and comprises a cross beam embedded in the rubber core and a plurality of elastic arms extending from the cross beam. The elastic arms of the serial connection piece are respectively abutted to the embedded sections of all the grounding terminals in the conductive terminals. Therefore, each rubber core is provided with one serial connection piece, and each serial connection piece is abutted against at least two conductive terminals (such as a grounding terminal) in the corresponding rubber core, so that the technical effect of electrical serial connection is realized.

Description

Card edge electrical connector and its electrical components

technical field

The utility model relates to a connector, in particular to a card edge electrical connector and an electrical component thereof.

Background technique

The existing card edge electrical connector includes a plurality of conductive terminals arranged in two rows, and since the structure of the existing card edge electrical connector has tended to mature, there are few major changes. Accordingly, it is difficult to add additional components to connect the at least two conductive terminals in each row in series in the existing card edge electrical connector.

Therefore, the present inventor believes that the above-mentioned defects can be improved, and through research and the application of scientific principles, the present invention with a reasonable design and effectively improving the above-mentioned defects is proposed.

Utility model content

The embodiments of the present invention provide a card edge electrical connector and an electrical component thereof, which can effectively improve the possible defects of the existing card edge electrical connector.

The embodiment of the present utility model discloses a card edge electrical connector, which comprises: an insulating housing, including a plug-in surface and an assembly surface, the insulating housing is recessed on the plug-in surface to form a slot, and the slot is used for receiving the edge of an electronic card that is inserted and docked along a first direction, the insulating housing is recessed to form an accommodating groove on the assembly surface; a terminal module includes two plastic cores and is fixed and arranged by each plastic core A plurality of conductive terminals in a row, each rubber core is received in the accommodating groove of the insulating housing; and two series connection pieces, respectively installed on the two rubber cores of the terminal module, each series connection piece has a plurality of elastic Arms, a plurality of elastic arms respectively extend toward some of the conductive terminals on the corresponding rubber core, and any serial connection piece is not located between the two columns of conductive terminals of the terminal module.

Preferably, the two rubber cores are in interference fit with the accommodating grooves of the insulating housing respectively.

Preferably, each rubber core has a plurality of grooves, and each groove extends along a second direction perpendicular to the first direction, and each elastic arm of any one of the serial components is received in one of the corresponding rubber cores In the groove, each elastic arm is allowed to slide relatively linearly along the second direction.

Preferably, any one of the series connection members includes a beam, and the two beams of the two series connection members are separated from each other, and the elastic arms of each series connection member extend from the corresponding beam.

Preferably, the card edge electrical connector includes a metal shell mounted on the outside of the insulating housing, and each serial connection piece does not contact the metal shell.

Preferably, the card edge electrical connector includes a metal shell mounted on the outer side of the insulating shell, and each serial connection piece passes through the corresponding rubber core and the insulating shell to abut against the metal shell.

Preferably, the card edge electrical connector includes a metal shell mounted on the outer side of the insulating housing, and each series connection includes two extension arms respectively extending from opposite ends of the beam; wherein, each series connection The two extending arms of the insulator respectively pass out of the accommodating groove of the insulating shell and are in contact with the metal shell.

Preferably, each conductive terminal includes an embedded segment embedded in the corresponding plastic core, a contact segment extending from one end of the embedded segment into the slot, and a welding segment extending from the other end of the embedded segment ; wherein, each series connection piece includes a beam embedded in the corresponding rubber core and a plurality of elastic arms extending from the beam; the plurality of elastic arms of the two series connection pieces are respectively abutted in a plurality of conductive terminals Buried section of all ground terminals.

The embodiment of the present invention also discloses an electrical component of a card edge electrical connector, which includes: a terminal module, including a plastic core and a plurality of conductive terminals fixed on the plastic core; wherein, each conductive terminal includes a buried an embedded section disposed on the rubber core, a contact section extending from one end of the embedded section, a welding section extending from the other end of the embedded section; and a series connection piece mounted on the rubber core of the terminal module, and The series connection element includes a beam embedded in the rubber core and a plurality of elastic arms extending from the beam; wherein, the plurality of elastic arms of the series connection element respectively abut on the embedded sections of all the ground terminals in the plurality of conductive terminals .

Preferably, the rubber core is formed with a transverse groove and two notches respectively located at opposite ends of the transverse groove, and the connecting piece includes two extending arms respectively extending from opposite ends of the beam; wherein the beam is embedded in the transverse groove of the rubber core. In the groove, the two extending arms pass through two notches respectively.

To sum up, in the card edge electrical connector and its electrical components disclosed in the embodiments of the present invention, each of the rubber cores is installed with one of the series connection pieces, and each of the series connection pieces abuts against each other. It is connected to at least two conductive terminals (eg, ground terminals) in the corresponding rubber core, so as to realize the technical effect of electrical series connection.

In order to further understand the features and technical content of the present utility model, please refer to the following detailed descriptions and accompanying drawings about the present utility model, but such descriptions and drawings are only used to illustrate the present utility model, not to protect the present utility model. any limitation on the scope.

Description of drawings

FIG. 1 is a three-dimensional schematic diagram of a card edge electrical connector according to an embodiment of the present invention.

FIG. 2 is an exploded schematic view of FIG. 1 .

FIG. 3 is an exploded schematic view of FIG. 2 after the metal casing is omitted.

FIG. 4 is a schematic exploded view from another perspective of FIG. 2 after the metal casing is omitted.

FIG. 5 is an exploded schematic view of the terminal module and the serial connection in FIG. 3 .

FIG. 6 is an exploded schematic view of the terminal module and the serial connection in FIG. 4 .

FIG. 7 is a schematic cross-sectional view along the line VII-VII of FIG. 1 .

FIG. 8 is a schematic cross-sectional view taken along line VIII-VIII of FIG. 1 .

9 is a three-dimensional schematic diagram of a card edge electrical connector according to another embodiment of the present invention.

Detailed ways

The following are specific embodiments to illustrate the embodiments of the “card edge electrical connector and its electrical components” disclosed in the present invention. Those skilled in the art can understand the advantages and disadvantages of the present invention from the content disclosed in this specification. Effect. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the accompanying drawings of the present invention are merely schematic illustrations, and are not drawn according to the actual size, and are stated in advance. The following embodiments will further describe the related technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention.

It should be understood that although terms such as "first", "second", "third" and the like may be used herein to describe various components or signals, these components or signals should not be limited by these terms. These terms are primarily used to distinguish one component from another component, or one signal from another. In addition, the term "or", as used herein, should include any one or a combination of more of the associated listed items, as the case may be.

Please refer to FIG. 1 to FIG. 9 , the present embodiment discloses a card edge electrical connector 100 , which is used for plugging with an electronic card (not shown in the drawings) along a first direction D1 . It should be noted that the card edge electrical connector 100 is described as a vertical connector in this embodiment, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the card edge electrical connector 100 may also be a right angle connector.

As shown in FIGS. 1 to 4 , the card edge electrical connector 100 includes an insulating housing 1 , a terminal module 2 mounted in the insulating housing 1 , and two strings mounted on the terminal module 2 . The connector 3 and a metal shell 4 mounted on the outer side of the insulating shell 1 . Wherein, in order to facilitate the description of the component structures and connection relationships of the card edge electrical connector 100 in this embodiment, the card edge electrical connector 100 further defines a second direction D2 that is perpendicular to the first direction D1 and a third direction D3 perpendicular to the first direction D1 and the second direction D2.

The insulating housing 1 is in the form of a rectangular parallelepiped in this embodiment, and the insulating housing 1 includes an insertion surface 11 and an assembly surface 12 . Wherein, the insertion surface 11 is located on one side of the insulating housing 1, and the side of the insulating housing 1 can be defined as the front side of the insulating housing 1 (as shown in FIG. 4 ), and A slot 13 is concavely formed on the insertion surface 11 (along the first direction D1 and toward the assembling surface 12 ) of the insulating housing 1 for receiving the insertion and mating along the first direction D1 the edge of the electronic card. The assembly surface 12 is located on the other side of the insulating housing 1 , and the other side of the insulating housing 1 can be defined as the rear side of the insulating housing 1 (as shown in FIG. 3 ), and An accommodating groove 14 is concavely formed on the assembly surface 12 (along the first direction D1 and toward the insertion surface 11 ) of the insulating housing 1 , and the accommodating groove 14 communicates with the insertion surface 14 . Slot 13.

As shown in FIG. 5 to FIG. 8 , the terminal module 2 includes two rubber cores 21 and a plurality of conductive terminals 22 fixed by each of the rubber cores 21 and arranged in a row. Wherein, each of the rubber cores 21 has a transverse groove 212 , a plurality of grooves 211 connected to the same side of the transverse groove 212 , and two notches 215 respectively located at opposite ends of the transverse groove 212 . In each of the rubber cores 21, the transverse grooves 212 are parallel to the third direction D3, and each of the grooves 211 extends along the second direction D2, and the two notches 215 are respectively Both ends of the trench 211 are formed along the third direction D3.

Furthermore, the relative positions of the two rubber cores 21 are restricted by linear sliding fit, and the two rubber cores 21 are allowed to slide relatively linearly along the first direction D1 . In this embodiment, the two rubber cores 21 are formed with a plurality of dovetail grooves 213 and a plurality of dovetail tenons 214 that cooperate with each other, so that the two rubber cores 21 can pass through the multiple dovetail grooves 213 . The multiple dovetail tenons 214 are inserted into each other, and are slidably assembled with each other along the first direction D1.

It should be noted that, a plurality of the dovetail grooves 213 and a plurality of the dovetail tenons 214 are formed in the adjacent parts of the two rubber cores 21 , and the two rubber cores 21 are formed at positions away from each other. A plurality of the transverse grooves 212 , a plurality of the grooves 211 and a plurality of the notches 215 are concavely formed on the surface respectively; further, the surfaces away from each other may be two of the rubber cores 21 adjacent to each other The surface where the part is located, the opposite surface or the surface away from it, that is, the two rubber cores 21 are formed with a plurality of the dovetail grooves 213 and a plurality of the dovetails 214. The surface away from it (for example: the top surface of the uppermost rubber core 21 in FIG. 5 , that is, the surface of the rubber core 21 close to the uppermost serial element 3 is the top surface; the same as the lowermost rubber core 21 in FIG. 6 . The bottom surface, that is, the surface close to the rubber core 21 of the lowermost serial component 3 is the bottom surface).

Each of the conductive terminals 22 includes an embedded section 221 embedded in the corresponding rubber core 21 , a contact section 222 extending from one end of the embedded section 221 into the socket 13 , and a contact section 222 extending from one end of the embedded section 221 into the socket 13 A welding section 223 extends from the other end of the embedded section 221 . In addition, a plurality of the conductive terminals 22 may be defined as at least one of a signal terminal, a ground terminal, and a power terminal according to functions. Furthermore, the positions of the conductive terminals 22 in any row are respectively corresponding to the positions of the conductive terminals 22 in the other row along the second direction D2; Mirror symmetry settings. It should be additionally noted that all the ground terminals of the plurality of conductive terminals 22 of the terminal module 2 and their parts (that is, the embedded segments 221 of all the ground terminals) are exposed on the two rubber cores 21 respectively. in a plurality of the grooves 211 .

In this embodiment, the two rubber cores 21 are assembled with each other along the first direction D1 and are jointly installed in the accommodating groove 14 of the insulating housing 1 along the first direction D1; that is, , each of the rubber cores 21 is received in the accommodating groove 14 of the insulating housing 1 . Further, the two rubber cores 21 are preferably in interference fit with the accommodating grooves 14 of the insulating housing 1 respectively, so that the two rubber cores 21 can be firmly assembled to the insulating housing 1 . inside the accommodating groove 14 of the housing 1, but the present invention is not limited to this.

The two connecting pieces 3 are respectively installed on the two rubber cores 21 of the terminal module 2 , and any one of the connecting pieces 3 is not located between the two rows of the conductive terminals 22 of the terminal module 2 . between. In the present embodiment, each of the connecting elements 3 has a plurality of elastic arms 32 , and the plurality of elastic arms extend toward the corresponding part of the conductive terminals 22 on the rubber core 21 , so that each The elastic arm 32 can abut against the conductive terminal 22 used as a ground terminal, so as to achieve the technical effect of electrical series connection.

In more detail, each of the connecting pieces 3 is a one-piece structure formed integrally in this embodiment, and each of the connecting pieces 3 includes a beam 31 extending from the beam 31 . A plurality of the elastic arms 32 and two extension arms 33 respectively extending from opposite ends of the beam 31 . Wherein, in each of the connecting elements 3 , the beam 31 is elongated and parallel to the third direction D3 , and the elastic arms 32 are formed from a length of the beam 31 . The edges are formed by extending toward the same side and spaced apart from each other.

Wherein, the number of the elastic arms 32 of any one of the series connection elements 3 is equal to the number of the ground terminals of the conductive terminals 22 held by the corresponding rubber core 21 in this embodiment. , but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the number of the elastic arms 32 of any one of the serial elements 3 may also be smaller than that held by the corresponding rubber core 21 . The number of ground terminals of the plurality of conductive terminals 22 , therefore, each of the series connection elements 3 abuts against at least two conductive terminals 22 (eg, ground terminals) in the corresponding rubber core 21 .

In addition, the beams 31 of the two series connecting elements 3 are respectively embedded (or embedded) in the transverse grooves 212 of the two rubber cores 21 (that is, the two connecting elements 3 The two beams 31 are arranged separately from each other), and the elastic arms 32 of any one of the serial elements 3 are respectively accommodated in the grooves 211 corresponding to the rubber core 21 , and The two extending arms 33 of each of the serial elements 3 respectively penetrate through the two notches 215 corresponding to the rubber core 21 . Wherein, each of the elastic arms 32 of any one of the connecting pieces 3 is received in one of the grooves 211 corresponding to the rubber core 21 , and each of the elastic arms 32 is allowed to move along the first The two directions D2 perform relative linear sliding. Further, the two serial members 3 can also be assembled in the two rubber cores 21 in a linear sliding manner facing or approaching each other along the second direction D2; The connecting pieces 3 can also face each other along the second direction D2 and are linearly slidably approached and assembled in the corresponding rubber cores 21 toward the respective rubber cores 21 .

Parts of all ground terminals of the plurality of conductive terminals 22 of the terminal module 2 are exposed in the plurality of grooves 211 respectively, and each of the elastic arms 32 of any one of the series connection elements 3 By being received in one of the grooves 211 corresponding to the rubber core 21 , the plurality of the elastic arms 32 of the two series connection members 3 can abut against the plurality of the terminal modules 2 respectively. All the ground terminals in the conductive terminals 22 can achieve the effect of common ground and improve the high frequency performance. Wherein, each of the elastic arms 32 abuts against the embedded section 221 corresponding to the conductive terminal 22 (or the ground terminal), so as to support the embedded section 221 through the rubber core 21 , thereby effectively The connection between the elastic arm 32 and the embedded section 221 is maintained securely.

From another perspective, the two connecting elements 3 are located in the accommodating groove 14 of the insulating housing 1 , but the two extending arms 33 of each connecting element 3 respectively penetrate out The accommodating groove 14 of the insulating housing 1 is in contact with the metal shell 4 . That is to say, each of the serial connection pieces 3 passes through the corresponding rubber core 21 and the insulating shell 1 to abut against the metal shell 4 , so that all the ground terminals of the terminal module 2 , The two serial connection pieces 3 and the metal shell 4 are connected to each other to achieve the preferred common ground effect, but the present invention is not limited to this. For example, as shown in FIG. 9 , each of the serial elements 3 may also be completely located within the corresponding rubber core 21 without contacting the metal shell 4 .

From another perspective, one of the rubber core 21 and a plurality of the conductive terminals 22 fixed to the rubber core 21 can also be defined as one of the terminal modules 2 in this embodiment, and can be combined with one of all the conductive terminals 22 . The series connection element 3 is collectively defined as an electrical component of the card edge electrical connector 100 . That is to say, the card edge electrical connector 100 in this embodiment is equivalent to including two of the electrical components, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the electrical components can also be used alone (eg, sold) or used in combination with other components.

[Technical effect of the embodiment of the present utility model]

To sum up, in the card edge electrical connector 100 and its electrical components disclosed in the embodiments of the present invention, each of the rubber cores 21 is installed with one of the series connection members 3 , and each of the series The connector 3 abuts against at least two conductive terminals 22 (eg, ground terminals) corresponding to the rubber core 21 , so as to achieve the technical effect of electrical series connection.

Furthermore, in the card edge electrical connector 100 disclosed in the embodiment of the present invention, each of the serial connection pieces 3 passes through the corresponding rubber core 21 and the insulating shell 1 to abut against the Metal shell 4, so that all the ground terminals of the terminal module 2, the two series connection pieces 3 and the metal shell 4 are connected to each other to achieve the preferred common ground effect.

In addition, in the card edge electrical connector 100 disclosed in the embodiment of the present invention, each of the two rubber cores 21 is in interference fit with the accommodating groove 14 of the insulating housing 1, so that the two The rubber core 21 can be firmly assembled in the accommodating groove 14 of the insulating housing 1 .

The contents disclosed above are only the preferred feasible embodiments of the present invention, and are not intended to limit the scope of the present invention. Therefore, any equivalent technical changes made by using the contents of the description and drawings of the present invention are included in the present invention. within the scope of the new patent.

Claims (10)

1. An electrical card edge connector, comprising:

the insulating shell comprises an inserting surface and an assembling surface, wherein a slot is concavely formed on the inserting surface of the insulating shell, the slot is used for receiving the edge of an electronic card inserted and butted along a first direction, and a containing groove is concavely formed on the assembling surface of the insulating shell;

a terminal module including two rubber cores and a plurality of conductive terminals fixed by each rubber core and arranged in a row, each rubber core being received in the receiving groove of the insulating housing; and

the two series-connection pieces are respectively arranged on the two rubber cores of the terminal module, each series-connection piece is provided with a plurality of elastic arms, the elastic arms respectively extend towards the corresponding parts of the conductive terminals on the rubber cores, and any series-connection piece is not positioned between the two rows of the conductive terminals of the terminal module.

2. The electrical card edge connector of claim 1, wherein the two rubber cores are respectively in interference fit with the receiving groove of the insulating housing.

3. The electrical card edge connector of claim 1, wherein each said glue cartridge has a plurality of grooves, each said groove extending in a second direction perpendicular to said first direction, each said spring arm of any said series being received in a said groove of a corresponding said glue cartridge, each said spring arm being permitted to slide linearly relative to each other in said second direction.

4. The electrical card edge connector as claimed in claim 1 or 3, wherein any one of said serials comprises a beam, and two of said beams of two of said serials are disposed apart from each other, and a plurality of said spring arms of each of said serials extend from the corresponding said beam.

5. The electrical card edge connector of claim 1, wherein the electrical card edge connector comprises a metal shell mounted outside the insulating housing, and each of the series-connection pieces does not contact the metal shell.

6. The electrical card edge connector of claim 1, wherein the electrical card edge connector comprises a metal shell mounted on the outer side of the insulating housing, and each of the series-connection members passes through the corresponding rubber core and the insulating housing to abut against the metal shell.

7. The electrical card edge connector as claimed in claim 4, wherein the electrical card edge connector comprises a metal shell mounted on the outside of the insulating housing, each of the series-connection members comprises two extending arms extending from opposite ends of the cross member; the two extension arms of each serial connection piece respectively penetrate through the accommodating groove of the insulating shell and are in contact with the metal shell.

8. The electrical card edge connector of claim 1, wherein each of said conductive terminals includes an embedded section embedded in a corresponding one of said cores, a contact section extending from one end of said embedded section into said socket, and a solder section extending from the other end of said embedded section; each series connection piece comprises a cross beam embedded in the corresponding rubber core and a plurality of elastic arms extending from the cross beam; the elastic arms of the two serial connecting pieces are respectively abutted against the embedded sections of all the grounding terminals in the conductive terminals.

9. An electrical component of a card edge electrical connector, the electrical component of the card edge electrical connector comprising:

a terminal module including a rubber core and a plurality of conductive terminals fixed on the rubber core; each conductive terminal comprises an embedded section embedded in the rubber core, a contact section extending from one end of the embedded section, and a welding section extending from the other end of the embedded section; and

the series connection piece is arranged on the rubber core of the terminal module and comprises a beam embedded in the rubber core and a plurality of elastic arms extending from the beam;

the elastic arms of the serial connection piece are respectively abutted to the embedded sections of all the grounding terminals in the conductive terminals.

10. The electrical assembly of claim 9, wherein the rubber core defines a transverse slot and two notches at opposite ends of the transverse slot, and the series connection member includes two extension arms extending from opposite ends of the cross member; wherein, the crossbeam imbeds in the horizontal groove of gluing the core, two the extension arm is worn out two respectively the breach.

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