CN211957998U

CN211957998U - Card edge electric connector and electric component thereof

Info

Publication number: CN211957998U
Application number: CN202020805068.8U
Authority: CN
Inventors: 杨岳霖; 陈国庆
Original assignee: Chief Land Electronic Co Ltd
Current assignee: Chief Land Electronic Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-11-17
Anticipated expiration: 2030-05-14

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 electric connector and electric component thereof

Technical Field

The utility model relates to a connector especially relates to a card reason electric connector and electrical property subassembly thereof.

Background

The conventional card edge electrical connector includes a plurality of conductive terminals arranged in two rows, and the structure of the conventional card edge electrical connector is mature, so the conventional card edge electrical connector is slightly modified. Therefore, it is difficult to add additional components to connect at least two conductive terminals in each row in series in the conventional card edge electrical connector.

Therefore, the inventor thinks that the defects can be improved, and through research and application of scientific principles, the invention provides the utility model which is reasonable in design and effectively improves the defects.

SUMMERY OF THE UTILITY MODEL

An embodiment of the present invention provides an electrical connector and an electrical assembly thereof, which can effectively improve the defects of the electrical connector.

The embodiment of the utility model discloses card reason electric connector, it includes: the insulating shell comprises a plugging surface and an assembling surface, wherein the plugging surface of the insulating shell is concavely provided with a slot which is used for receiving the edge of an electronic card inserted and butted along a first direction, and the assembling surface of the insulating shell is concavely provided with an accommodating groove; a terminal module, which comprises two rubber cores and a plurality of conductive terminals fixed by each rubber core and arranged in a row, wherein each rubber core is received in the accommodating groove of the insulating shell; and two series-connection pieces which are respectively arranged on the two rubber cores of the terminal module, wherein each series-connection piece is provided with a plurality of elastic arms which respectively extend towards partial conductive terminals on the corresponding rubber core, and any series-connection piece is not positioned between two rows of conductive terminals of the terminal module.

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

Preferably, each glue cartridge has a plurality of grooves, each groove extending in a second direction perpendicular to the first direction, each spring arm of any one of the strings being received in one of the grooves of the corresponding glue cartridge, each spring arm being allowed to slide linearly relative to each other in the second direction.

Preferably, any one of the tandem members includes a beam, and the two beams of the two tandem members are spaced apart from each other, and the plurality of spring arms of each of the tandem members extend from the corresponding beam.

Preferably, the card edge electrical connector comprises a metal shell mounted outside the insulating housing, and each series connection piece does not contact the metal shell.

Preferably, the card edge electrical connector includes a metal shell installed outside the insulating housing, and each series connection piece penetrates through the corresponding rubber core and the insulating housing to abut against the metal shell.

Preferably, the card edge electrical connector comprises a metal shell mounted on the outer side of the insulating housing, and each series connection piece comprises two extension arms respectively extending from two opposite ends of the cross beam; wherein, two extension arms of each serial connection piece respectively penetrate through the accommodating groove of the insulating shell and are contacted with the metal shell.

Preferably, each conductive terminal comprises an embedding section embedded in the corresponding rubber core, a contact section extending into the slot from one end of the embedding section, and a welding section extending from the other end of the embedding 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 to the embedded sections of all the grounding terminals in the conductive terminals.

The embodiment of the utility model provides a also discloses an electrical property subassembly of card reason electric connector, it includes: 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; 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.

Preferably, the rubber core is formed with a transverse groove and two notches respectively located at two opposite ends of the transverse groove, and the serial connection piece comprises two extension arms respectively extending from two opposite ends of the cross beam; wherein, in the cross slot of core was glued in the crossbeam embedding, two breachs were worn out respectively to two extension arms.

To sum up, the embodiment of the present invention provides an electrical connector and an electrical assembly thereof, wherein the rubber core is provided with one of the series-connection members, and each of the series-connection members abuts against at least two conductive terminals (e.g., ground terminals) of the corresponding rubber core, thereby achieving the technical effect of electrical series connection.

For a further understanding of the features and technical content of the present invention, reference should be made to the following detailed description and accompanying drawings, which are only intended to illustrate the present invention, and not to limit the scope of the invention.

Drawings

Fig. 1 is a schematic perspective view of a card edge electrical connector according to an embodiment of the present invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is an exploded view of fig. 2 without the metal shell.

Fig. 4 is an exploded view of fig. 2 with the metal shell omitted.

Fig. 5 is an exploded view of the terminal module and the serial connector shown in fig. 3.

Fig. 6 is an exploded view of the terminal module and the serial connector shown in fig. 4.

Fig. 7 is a schematic sectional view along the sectional line VII-VII of fig. 1.

Fig. 8 is a schematic sectional view along the sectional line VIII-VIII of fig. 1.

Fig. 9 is a perspective view of an electrical connector with a card edge according to another embodiment of the present invention.

Detailed Description

The following description is provided for the embodiments of the present invention with reference to the "card edge electrical connector and its electrical components", and those skilled in the art will understand the advantages and effects of the present invention from the disclosure of the present specification. The present invention may be practiced or carried out in other different embodiments, and various modifications and changes may be made in the details of this description based on the different points of view and applications without departing from the spirit of the present invention. The drawings of the present invention are merely schematic illustrations, and are not drawn to scale, but are described in advance. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.

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

Referring to fig. 1 to 9, the present embodiment discloses a card edge electrical connector 100 for plugging an electronic card (not shown) along a first direction D1. It should be noted that, the card edge electrical connector 100 is illustrated as a vertical connector (vertical connector) in the embodiment, but the invention is not limited thereto. For example, in other embodiments not shown in the present invention, the card edge electrical connector 100 may also be a right angle connector (right angle connector).

As shown in fig. 1 to 4, the card edge electrical connector 100 includes an insulating housing 1, a terminal module 2 installed in the insulating housing 1, two serial connectors 3 installed on the terminal module 2, and a metal shell 4 installed outside the insulating housing 1. For convenience of illustration of the components of the card edge electrical connector 100 of the present embodiment, the card edge electrical connector 100 further defines a second direction D2 perpendicular to the first direction D1 and a third direction D3 perpendicular to the first direction D1 and the second direction D2.

In this embodiment, the insulating housing 1 is a rectangular parallelepiped, and the insulating housing 1 includes a plugging surface 11 and an assembling surface 12. Wherein the insertion surface 11 is located at one side of the insulating housing 1, the side of the insulating housing 1 can be defined as a front side of the insulating housing 1 (as shown in fig. 4), and the insulating housing 1 is concavely formed with a slot 13 at the insertion surface 11 (along the first direction D1 and toward the assembling surface 12) for receiving an edge of the electronic card inserted and butted along the first direction D1. The assembling surface 12 is located at the other side of the insulating housing 1, 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 the insulating housing 1 is formed with a receiving groove 14 recessed on the assembling surface 12 (along the first direction D1 and facing the inserting surface 11), and the receiving groove 14 is communicated with the inserting groove 13.

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

Furthermore, the two cores 21 are constrained in position relative to each other by a linear sliding fit, and the two cores 21 are allowed to slide linearly relative to each other in 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 dovetails 214 that are engaged with each other, so that the two rubber cores 21 can be assembled to each other in a sliding manner along the first direction D1 by the engagement of the plurality of dovetail grooves 213 and the plurality of dovetails 214.

It should be additionally noted that, a plurality of the dovetail grooves 213 and a plurality of the dovetails 214 are formed at the adjacent positions of the two rubber cores 21, and a plurality of the transverse grooves 212, a plurality of the grooves 211 and a plurality of the notches 215 are respectively formed on the surfaces of the two rubber cores 21 away from each other; further, the surfaces far away from each other may be the surfaces opposite to or far away from the surfaces where the two cores 21 are located, that is, the two cores 21 are formed with the dovetail grooves 213 and the dovetail tenons 214 (for example, the top surface of the uppermost core 21 in fig. 5, i.e., the surface close to the core 21 of the uppermost string 3, is the top surface, and the bottom surface of the lowermost core 21 in fig. 6, i.e., the surface close to the core 21 of the lowermost string 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 slot 13, and a soldering section 223 extending from the other end of the embedded section 221. In addition, the conductive terminals 22 may define at least one of a signal terminal, a ground terminal and a power terminal according to functions. Furthermore, the position of the conductive terminals 22 in any row respectively corresponds to the position of the conductive terminals 22 in another row along the second direction D2; that is, any two rows of the conductive terminals 22 are arranged in mirror symmetry in the present embodiment. It should be noted that, portions of all the ground terminals (i.e., the embedded sections 221 of all the ground terminals) in the conductive terminals 22 of the terminal module 2 are respectively exposed in the grooves 211 of the two rubber cores 21.

In the present embodiment, the two rubber cores 21 are assembled to each other along the first direction D1 and are commonly mounted in the receiving groove 14 of the insulating housing 1 along the first direction D1; that is, each glue core 21 is received in the receiving groove 14 of the insulation housing 1. Furthermore, two the rubber core 21 preferably respectively with insulating housing 1 be interference fit between storage tank 14, make two rubber core 21 can firmly connect in insulating housing 1 in storage tank 14, nevertheless the utility model discloses not use this as the limit.

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

In more detail, each of the connecting members 3 is a one-piece structure, and each of the connecting members 3 includes a cross member 31, a plurality of elastic arms 32 extending from the cross member 31, and two extending arms 33 extending from opposite ends of the cross member 31. In each of the serial pieces 3, the beam 31 is elongated and parallel to the third direction D3, and the elastic arms 32 are formed by extending from a long edge of the beam 31 toward the same side and at intervals.

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

In addition, the cross beams 31 of the two serial pieces 3 are respectively embedded (or embedded) in the transverse grooves 212 of the two rubber cores 21 (that is, the two cross beams 31 of the two serial pieces 3 are separated from each other), the plurality of elastic arms 32 of any serial piece 3 are respectively accommodated in the plurality of grooves 211 of the corresponding rubber core 21, and the two extension arms 33 of each serial piece 3 respectively penetrate through the two notches 215 of the corresponding rubber core 21. Wherein each of the elastic arms 32 of any one of the serial connection members 3 is received in one of the grooves 211 of the corresponding glue core 21, and each of the elastic arms 32 is allowed to relatively linearly slide along the second direction D2. Further, the two connecting pieces 3 can also be assembled in the two rubber cores 21 in a manner of facing or approaching each other along the second direction D2 and linearly sliding; furthermore, the two connecting pieces 3 can also be assembled in the corresponding glue cores 21 by approaching each other along the second direction D2 and linearly sliding toward the corresponding glue cores 21 respectively.

All the ground terminals of the conductive terminals 22 of the terminal module 2 are partially exposed in the grooves 211, and each of the elastic arms 32 of any one of the serial-connection members 3 is received in one of the grooves 211 of the corresponding rubber core 21, so that the elastic arms 32 of the two serial-connection members 3 can abut against all the ground terminals of the conductive terminals 22 of the terminal module 2, thereby achieving the effect of common ground and improving the high-frequency performance. Each elastic arm 32 abuts against the embedded section 221 corresponding to the conductive terminal 22 (or the ground terminal), so that the embedded section 221 is supported by the rubber core 21, and the connection between the elastic arm 32 and the embedded section 221 is effectively maintained.

In another perspective, the two serial connection pieces 3 are located in the accommodating groove 14 of the insulating housing 1, but the two extension arms 33 of each serial connection piece 3 respectively penetrate through the accommodating groove 14 of the insulating housing 1 and contact with the metal shell 4. That is, each serial piece 3 penetrates through the corresponding rubber core 21 and the insulating housing 1 to abut against the metal shell 4, so that all the grounding terminals of the terminal module 2, two serial pieces 3 and the metal shell 4 are connected with each other to achieve a preferable common grounding effect, but the present invention is not limited thereto. For example, as shown in fig. 9, each of the connecting strings 3 may also be completely located inside the corresponding rubber core 21 without contacting the metal shell 4.

In another aspect, one of the plastic cores 21 and the plurality of conductive terminals 22 fixed to the plastic core 21 can also be defined as one of the terminal modules 2 in this embodiment, and the terminal module can be defined as an electrical component of the card edge electrical connector 100 together with one of the serial connectors 3. That is, the electrical card edge connector 100 in the present embodiment is equivalent to include two electrical components, but the present invention is not limited thereto. For example, in other embodiments not shown, the electrical components can be used alone (e.g., sold) or in combination with other components.

[ technical effects of the embodiments of the present invention ]

To sum up, the embodiment of the present invention discloses a card edge electrical connector 100 and an electrical component thereof, wherein one of the series-connection members 3 is installed on each of the rubber cores 21, and each of the series-connection members 3 abuts against at least two conductive terminals 22 (e.g. ground terminals) in the corresponding rubber core 21, so as to achieve the technical effect of electrical series connection.

Furthermore, the embodiment of the present invention discloses a card edge electrical connector 100, it passes through every the stringing piece 3 is worn out correspondingly the rubber core 21 reaches the insulation casing 1 and the butt in the metal shell 4, make all ground terminals, two of the terminal module 2 the stringing piece 3 reaches the metal shell 4 connects each other in order to reach the preferred effect altogether.

Additionally, the embodiment of the present invention discloses a card edge electrical connector 100, it is through two glue core 21 respectively with insulating housing 1 be interference fit between storage tank 14, make two glue core 21 can firmly connect in insulating housing 1 in the storage tank 14.

The above disclosure is only a preferred and practical embodiment of the present invention, and is not intended to limit the scope of the present invention, so all the modifications of the equivalent technology made by the disclosure and drawings are included in the scope of the present invention.

Claims

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.