CN211957991U - Card edge electric connector - Google Patents

Abstract

The utility model discloses an edge of a card electric connector, it includes an insulating housing, a terminal module and a tandem piece. The insulating shell comprises an inserting surface and an assembling surface, a slot is formed in the inserting surface of the insulating shell in a concave mode, and a containing groove is formed in the assembling surface of the insulating shell in a concave mode. The terminal module comprises at least two rubber cores and a plurality of conductive terminals, wherein the rubber cores limit the relative positions of the rubber cores through linear sliding fit, the conductive terminals are fixed by the rubber cores and are arranged in a row, and each rubber core is received in the accommodating groove of the insulating shell. The series connection piece is positioned between two rows of conductive terminals fixed on the two rubber cores, and extends towards at least one conductive terminal on each rubber core to form at least one elastic arm. Therefore, the two rubber cores are linearly matched in a sliding manner to be assembled in a relatively linear sliding manner along the first direction so as to be stably assembled in the accommodating groove of the insulating shell.

Description

Card edge electric connector

Technical Field

The utility model relates to a connector especially relates to a card reason electric connector.

Background

The conventional card edge electrical connector comprises a plurality of conductive terminals arranged in two rows and two rubber cores for fixing the two rows of conductive terminals, and since the structure of the conventional card edge electrical connector is mature, researchers in the field also neglect to improve the structure of the internal components (such as the rubber cores) of the conventional card edge electrical connector.

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

SUMMERY OF THE UTILITY MODEL

An embodiment of the present invention provides an electrical connector with a card edge, which can effectively improve the defects possibly generated by the existing electrical connector with a card edge.

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 line, wherein the two rubber cores limit the relative positions of the two rubber cores along a first direction through linear sliding fit, and each rubber core is received in a containing groove of the insulating shell; and a series connection piece which is positioned between two rows of conductive terminals fixed on the two rubber cores, and extends towards at least one conductive terminal on each rubber core to form at least one elastic arm.

Preferably, the terminal module further has a comb block abutting against the two rubber cores, and at least a portion of the comb block is received in the receiving groove of the insulating housing, and the comb block and the receiving groove of the insulating housing are in interference fit.

Preferably, the two rubber cores are formed with a plurality of first dovetail grooves and a plurality of first dovetails which are matched with each other, so that the two rubber cores can be assembled in a sliding manner along the first direction through the mutual insertion of the plurality of first dovetail grooves and the plurality of first dovetails.

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 the string being constrained within a corresponding groove of the glue cartridge by a linear sliding fit, each spring arm being permitted to slide relatively linearly in the second direction.

Preferably one of the two cores is in linear sliding engagement with the comb block to limit the position of the two cores relative to each other.

Preferably, one of the two rubber cores and the comb pin block are formed with a plurality of second dovetail grooves and a plurality of second dovetail tenons which are matched with each other, and the rubber core and the comb pin block can be assembled with each other in a sliding manner along a second direction perpendicular to the first direction through the mutual insertion of the plurality of second dovetail grooves and the plurality of second dovetail tenons.

Preferably, the two rubber cores abut against the comb pin block along the first direction, and the comb pin block and the two rubber cores are jointly installed in the accommodating groove of the insulating shell along the first direction, so that the two rubber cores are jointly clamped between the insulating shell and the comb pin block.

Preferably, the number of the elastic arms included in the serial connection piece is multiple, and the multiple elastic arms are formed by extending from a cross beam of the serial connection piece.

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

Preferably, each conductive terminal comprises an embedded section embedded in the corresponding rubber core, a contact section extending from one end of the embedded section into the slot, and a welding section extending from the other end of the embedded section through the accommodating groove.

To sum up, the embodiment of the utility model provides a disclosed card reason electric connector, it is through two the linear sliding fit of gluey core restricts relative position each other, more is allowed to follow the first direction carries out relative linear sliding ground montage, makes two gluey core can firmly the montage in insulating housing the storage tank.

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 a perspective view of fig. 1 from another angle.

Fig. 3 is an exploded view of fig. 1.

Fig. 4 is an exploded view of fig. 2.

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 an exploded view of the terminal module and the serial connection member shown in fig. 4 from another perspective.

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

Detailed Description

The following is a description of the embodiments of the present invention disclosed in the specification of "card edge electrical connector" by specific embodiments, and those skilled in the art can 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 8, 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, in the embodiment, the card edge electrical connector 100 is illustrated as a right angle connector (right angle connector), 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 omit the following comb block 23 and constitute a vertical connector (vertical connector).

As shown in fig. 1 to 4, the electrical card edge connector 100 includes an insulating housing 1, a terminal module 2 installed in the insulating housing 1, and a serial connector 3 installed in the terminal module 2. 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. The insertion surface 11 is located at one side of the insulating housing 1, and the insertion surface 11 is further defined to be located at a front side of the insulating housing 1 (as shown in fig. 1), and the insulating housing 1 is concavely formed with a slot 13 on 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 on the other side of the insulating housing 1, and the assembling surface 12 is further defined to be located on the rear side of the insulating housing 1 (as shown in fig. 1), and an accommodating groove 14 is formed in the assembling surface 12 (along the first direction D1 and facing the inserting surface 11) of the insulating housing 1 in a recessed manner, and the accommodating groove 14 is communicated with the inserting groove 13.

As shown in fig. 5 to 8, the terminal module 2 includes two rubber cores 21, a plurality of conductive terminals 22 fixed by each rubber core 21 and arranged in a row, and a comb block 23 abutting against the two rubber cores 21. Wherein each of the glue cores 21 has a plurality of grooves 211, and each of the grooves 211 extends along the second direction D2. One of the cores 21 (as shown in fig. 5, the core 21 below the comb block 23 in fig. 5) is further formed with a transverse slot 212 communicating with the plurality of grooves 211, and the transverse slot 212 is parallel to the third direction D3 in this embodiment.

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 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. For example, both of the two rubber cores 21 are simultaneously formed with a plurality of dovetail grooves 213 and a plurality of dovetail grooves 214 which are engaged with each other, that is, one of the two rubber cores 21 simultaneously has a plurality of dovetail grooves 213 and a plurality of dovetail grooves 214 and the other rubber core 21 simultaneously has a plurality of dovetail grooves 214 and a plurality of dovetail grooves 213 can be engaged with each other; or one of the two cores 21 may form a plurality of dovetail slots 213 and the other core 21 may form a plurality of dovetails 214.

Further, in the two rubber cores 21 assembled with each other, the plurality of dovetail grooves 213 and the plurality of dovetails 214 are located on the side of the transverse groove 212 away from the plurality of grooves 211 (e.g., the right side of the transverse groove 212 in fig. 8).

Each conductive terminal 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 welding section 223 extending from the other end of the embedded section 221 through the accommodating groove 14. 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 terminal 22 in any row corresponds to the position of the conductive terminal 22 in another row, and the length of any conductive terminal 22 fixed on the rubber core 21 with the transverse slot 212 is smaller than the length of any conductive terminal 22 fixed on another rubber core 21; that is, the two conductive terminals 22 corresponding in position have different lengths, and the difference in length is at the soldering section 223. As shown in fig. 5, for example, the length of the conductive terminal 22 fixed to one of the rubber cores 21 (in fig. 5, the rubber core 21 located above the comb block 23, or the rubber core 21 without the transverse groove 212) is greater than the length of any of the conductive terminals 22 fixed to the other rubber core 21 (in fig. 5, the rubber core 21 located below the comb block 23, or the rubber core 21 with the transverse groove 212).

The card wire block 23 is formed with a plurality of terminal channels 231 on different sides thereof, and one of the two cores 21 (e.g., the core 21 not formed with the transverse slot 212) is linearly slidably engaged with the card wire block 23 (along the second direction D2) to restrict the relative positions thereof with respect to each other and to allow each of the terminal channels 231 to receive at least one of the conductive terminals 22.

In other words, the soldering sections 223 of the conductive terminals 22 in any row are disposed on one side of the comb block 23 and fixed to the corresponding terminal channels 231, respectively, and the soldering sections 223 of the conductive terminals 22 in another row are disposed on the other side of the comb block 23 and fixed to the corresponding terminal channels 231, respectively. Further, the soldering section 223 of the conductive terminal 22 having a longer length also extends from the other end of the embedded section 221 through the comb block 23.

In this embodiment, the card wire block 23 and the corresponding rubber core 21 may be formed with mutually matching engaging structures, so as to be able to be mutually combined along the second direction D2. Further, one of the two rubber cores 21 and the card wire block 23 are formed with a plurality of second dovetail grooves 232 and a plurality of second dovetails 215 which are mutually matched, so that the rubber core 21 and the card wire block 23 can be assembled with each other in a sliding manner along the second direction D2 by the mutual insertion of the plurality of second dovetail grooves 232 and the plurality of second dovetails 215. More specifically, in the present embodiment, one of the two rubber cores 21 may form a plurality of second dovetails 215 on the rubber core 21, and the card wire block 23 may form a plurality of second dovetails 232 respectively matching the plurality of second dovetails 215 on the card wire block, but the invention is not limited thereto.

For example, in other embodiments not shown in the present invention, one of the two rubber cores 21 and the card wire block 23 are formed with a plurality of dovetail grooves and a plurality of dovetail tenons respectively and simultaneously, that is, one of the two rubber cores 21 and the rubber core 21 have a plurality of dovetail grooves and a plurality of dovetail tenons simultaneously and can be mutually matched with the plurality of dovetail grooves and the plurality of dovetail grooves of the card wire block 23; alternatively, the core 21 may form a plurality of dovetail slots and the card wire block 23 may form a plurality of dovetails that mate with the plurality of dovetail slots.

Furthermore, one of the two rubber cores 21 and the comb block 23 are assembled together, the second dovetails 215 are located on the side of the rubber core 21 away from the grooves 211, and the second dovetails 232 are located on the same side of the comb block 23 as the terminal channels 231 of the rubber core 21 (as shown in FIGS. 7 and 8, and on the right side of the groove 211 in FIG. 8).

Furthermore, in the present embodiment, the two plastic cores 21 abut against the comb block 23 along the first direction D1, and the comb block 23 and the two plastic cores 21 are mounted in the accommodating groove 14 of the insulating housing 1 along the first direction D1 together, so that the two plastic cores 21 are clamped between the insulating housing 1 and the comb block 23 together. That is, each glue core 21 is received in the receiving groove 14 of the insulation housing 1, and at least a portion of the card wire block 23 is received in the receiving groove 14 of the insulation housing 1.

Furthermore, two in the rubber core 21 one the rubber core 21 with insulating housing 1 be interference fit between the storage tank 14, and the card wire piece 23 with insulating housing 1 be interference fit between the storage tank 14, make two the rubber core 21 with the card wire piece 23 can firmly connect in insulating housing 1 in the storage tank 14, but the utility model discloses do not use this as the limit. For example, in other embodiments not shown in the present invention, the terminal module 2 can also be configured to only use the comb block 23 and the accommodating groove 14 of the insulating housing 1 to form an interference fit, and the insulating housing 1 and the comb block 23 clamp two rubber cores 21, so as to achieve a fixing effect.

The series connection piece 3 is located and fixed between two rows of the conductive terminals 22 of the two rubber cores 21, and the series connection piece 3 extends towards at least one conductive terminal 22 on each rubber core 21 to form at least one elastic arm 32. In the present embodiment, the elastic arm 32 of the serial connection element 3 abuts against the conductive terminal 22 used as the ground terminal, so as to achieve the technical effect of serially connecting at least two conductive terminals 22 (e.g., ground terminals) located in different rows.

In more detail, the serial connection member 3 is a one-piece structure integrally formed in this embodiment, and the serial connection member 3 includes a cross member 31 and the elastic arms 32 extending from the cross member 31, wherein the number of the elastic arms 32 included in the serial connection member 3 is plural in this embodiment, and thus plural elastic arms 32 can also extend from the cross member 31 of the serial connection member 3. The beam 31 is elongated and parallel to the third direction D3, and the elastic arms 32 are respectively formed by extending from two long edges (e.g., top edge and bottom edge of the beam 31 in fig. 7) of the beam 31 toward the same side and away from each other.

Furthermore, the elastic arms 32 connected to any one of the long edges of the cross beam 31 are disposed at equal intervals in the present embodiment and face the elastic arms 32 connected to the other long edge of the cross beam 31 along the second direction D2. The number of the elastic arms 32 of the serial connection member 3 is equal to the number of the ground terminals of the conductive terminals 22 in the terminal module 2 in this embodiment.

In addition, the cross beam 31 of the serial connection piece 3 is disposed in the transverse groove 212 and clamped between the two rubber cores 21, and the plurality of elastic arms 32 of the serial connection piece 3 are respectively accommodated in the plurality of grooves 211 of the two rubber cores 21. Wherein each of the elastic arms 32 of the serial connection member 3 is constrained in one of the grooves 211 of the corresponding glue core 21 by a linear sliding fit, and each of the elastic arms 32 is allowed to perform a relative linear sliding motion along the second direction D2.

In addition, the elastic arms 32 of the serial connection member 3 respectively abut against all the grounding terminals of the conductive terminals 22 in the terminal module 2, so as to achieve the effect of common grounding and improve 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.

It should be noted that the assembly sequence among the components of the card edge electrical connector 100 (such as the insulation housing 1, the two rubber cores 21, the connecting element 3 and the comb block 23) can be only installed in one direction by the structural design thereof, thereby effectively improving the assembly stability of the card edge electrical connector 100. In addition, in other embodiments not shown in the present invention, the card edge electrical connector 100 may further include a metal cover covering the outer surface of the insulating housing 1, so as to effectively improve the structural strength of the card edge electrical connector 100.

[ 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, it is through two the relative position of restriction each other is made to glue core 21 linear sliding fit, more is allowed to follow first direction D1 is made relative linear sliding ground montage, in addition, two in glue core 21 with comb piece 23 follows second direction D2 is made the relative position of restriction each other through linear sliding fit, consequently, through two in glue core 21 with insulating housing 1 be interference fit between the storage tank 14, and comb piece 23 with insulating housing 1 be interference fit between the storage tank 14, make two glue core 21 with comb piece 23 can firmly be assembled in insulating housing 1 in storage tank 14.

Furthermore, the electrical connector 100 according to the embodiment of the present invention is provided with the connecting member 3 between two rows of the conductive terminals 22, and the connecting member 3 extends towards each row of the conductive terminals 22 to form the elastic arm 32, so as to achieve the technical effect of connecting at least two conductive terminals 22 (e.g. ground terminals) in different rows in series.

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 (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, wherein the two rubber cores limit the relative positions of the two rubber cores along the first direction through linear sliding fit, and each rubber core is received in the receiving groove of the insulating housing; and

and the serial connecting piece is positioned between the two rows of conductive terminals fixed on the two rubber cores, and extends towards at least one conductive terminal on each rubber core to form at least one elastic arm.

2. The electrical card edge connector as claimed in claim 1, wherein the terminal module further has a comb block abutting against the two rubber cores, and at least a portion of the comb block is received in the receiving slot of the insulative housing, and the comb block and the receiving slot of the insulative housing are in interference fit.

3. The electrical card edge connector as claimed in claim 1, wherein two of the cores are formed with a plurality of first dovetail grooves and a plurality of first dovetails that are engaged with each other, so that the two cores can be assembled to each other slidably along the first direction by the engagement of the plurality of first dovetail grooves and the plurality of first dovetails.

4. 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 said series being constrained within a corresponding one of said grooves of said glue cartridge by a linear sliding engagement, each said spring arm being permitted to slide relatively linearly in said second direction.

5. The card edge electrical connector of claim 2 wherein one of said two gel cores is in linear sliding engagement with said card wire block to limit the position of each other.

6. The electrical card edge connector as claimed in claim 2, wherein one of the two rubber cores and the card wire block are formed with a plurality of second dovetail grooves and a plurality of second dovetail tenons which are engaged with each other, and the rubber core and the card wire block are slidably assembled with each other along a second direction perpendicular to the first direction by the engagement of the plurality of second dovetail grooves and the plurality of second dovetail tenons.

7. The card edge electrical connector as claimed in claim 2, wherein the two glue cores abut against the card wire block along the first direction, and the card wire block and the two glue cores are mounted in the accommodating groove of the insulation housing along the first direction together, so that the two glue cores are clamped between the insulation housing and the card wire block together.

8. The electrical card edge connector as claimed in claim 1 or 4, wherein said serial member comprises a plurality of said spring arms, and a plurality of said spring arms are formed extending from a cross member of said serial member.

9. The electrical card edge connector of claim 1, 5, 6 or 7, wherein one of the two glue cores is in interference fit with the receiving slot of the insulating housing.

10. The electrical card edge connector as claimed in claim 1, wherein each of said conductive terminals comprises an embedded section embedded in the corresponding rubber core, a contact section extending from one end of said embedded section into said slot, and a soldering section extending from the other end of said embedded section through said receiving slot.

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