CN201075489Y - Connector for electronic card - Google Patents

Abstract

The utility model discloses an electronic card connector which comprises a connector base, a metal guide arm positioned on the connector base and a shielding shell covering the external of the connector base; the metal guide arm and the connector base together form a holding space; the metal guide arm is provided with a buckling part; the shielding shell is provided with a shielding part covering at least one side of the holding space and a locking part matching with the buckling part; the shielding part is provided with a side edge that is positioned at the two sides and is corresponding to the longitudinal direction of the metal guide arm; the locking part is formed by extending outwards from the side edge; the buckling part is provided with an open port; the locking part is provided with a pressing piece which goes through the open port and is positioned in the holding space; the pressing piece closely contacts the metal guide arm, so as to prevent the shielding shell from breaking away the metal guide arm. By employing the method of the locking part of the shielding shell body being matched with the metal guide arm, the assembly of the shielding shell body and the guide arm can be realized conveniently.

Description

electronic card connector

【Technical field】

The utility model relates to an electronic card connector, in particular to an electronic card connector with a shielding shell.

【Background technique】

With the development of miniaturization and portability of notebook computers and other equipment, more external storage cards are usually needed to achieve more and stronger functions, so the electronic card connector dedicated to the assembly of various electronic cards can be used widely used.

Please refer to Japanese Laid-Open Patent Application Publication No. 11-31556, which discloses a structure of an existing electronic card connector, which includes an insulating body, several terminals accommodated in the insulating body, assembled on A metal shell on the insulating body, a pair of guiding arms, and a card ejecting mechanism installed on the guiding arms; the pair of guiding arms are arranged at both ends of the insulating body, and the insulating body and the guiding arms jointly form a housing space, the terminal is provided with a contact portion extending into the storage space, the contact portion can be in electrical contact with the electronic card stored in the storage space, and the electronic card is ejected from the storage space by the card ejection mechanism quit. Wherein the metal shell is provided with buckles for engaging in the groove of the guide arm to combine the metal shell on the guide arm. In addition, the guide arm is formed of insulating material. If the guide arm is to maintain sufficient strength, the guide arm must have a relatively strong thickness. Therefore, the increase in the thickness is not conducive to the development trend of miniaturization of electronic card connectors. .

However, due to the needs of use or cost considerations, sometimes the electronic card connector does not need to design metal shell parts, so the metal shell needs to be disassembled for the electronic card connector installed with the metal shell; but the existing electronic card connector After the buckle in the card connector is held in the groove, it is not easy to disassemble the metal shell from the connector, and the guide arm may be damaged during the disassembly process. Therefore, the existing electronic card connector It brings some difficulties in practical application.

In addition, Japanese Laid-Open Patent Application Publication No. 2000-200647 also discloses a structure of a conventional electronic card connector, wherein the metal shell and the guide arm of the conventional electronic card connector are assembled in the following manner: There are several openings on both sides of the metal shell, and an upwardly protruding buckle piece is provided on the guide arm corresponding to the opening. The metal shell is assembled on the guide arm from the insertion direction of the electronic card. In addition, the buckle The sheet has a buckling piece extending toward the rear side of the insulating body, and the buckling piece is buckled in the opening to prevent the metal shell from detaching from the guide arm. However, when the metal shell of the electronic card connector needs to be dismantled from the guide arm, the opening will be blocked by the buckle piece and is not easy to disassemble, which may also cause damage to the guide arm or the shell during disassembly. Destruction, thus, this existing electronic card connector brings some difficulties in practical application.

Therefore, it is really necessary to improve the existing electronic card connector to overcome the defects in the prior art.

【Content of utility model】

The technical problem to be solved by the utility model is to provide an electronic card connector which is easy to assemble.

In order to solve the above problems, the utility model electronic card connector can adopt the following technical solutions: an electronic card connector, which includes a connector base, a pair of metal guide arms assembled on the connector base and covering A shielding shell on the outside of the connector base; the connector base is provided with two side walls, and the metal guide arms are respectively connected to the two side walls, and jointly form a receiving space with the connector base , the metal guide arm is provided with a buckle part; the shielding shell has a shield part covering at least one side of the receiving space and a buckle part that cooperates with the buckle part of the metal guide arm, the The shielding part has side edges located on both sides corresponding to the longitudinal direction of the metal guide arm, and the buckle part is formed by extending outward from the side edges; wherein the buckle part of the metal guide arm has an opening , and the buckle part of the shielding shell has a pressing piece passing through the opening and accommodated in the receiving space, so as to prevent the shielding shell from being separated from the metal guide arm.

Compared with the prior art, the electronic card connector of the present utility model has the following beneficial effects: the pressing piece of the buckle part is accommodated in the accommodation space, which prevents the shielding case from being separated from the metal guide arm, and also The shielding shell can be easily assembled on the metal guide arm, and the pressing piece and the metal guide arm are not fixed together by a holding method. Compared with the existing electrical connector, this structure is easy to shield The casing is separated from the metal guiding arm, thereby simplifying the assembly and separation of the shielding casing and the metal guiding arm.

【Description of drawings】

FIG. 1 is a three-dimensional assembled view of the electronic card connector of the present invention.

FIG. 2 is a partially exploded view of the electronic card connector of the present invention shown in FIG. 1 .

FIG. 3 is another perspective exploded view of the electronic card connector of the present invention shown in FIG. 1 , and shows the combination of the shielding case and the metal guide arm.

FIG. 4 is another perspective exploded view of the electronic card connector of the present invention shown in FIG. 1 , and shows the separation of the shielding case and the metal guide arm.

5 is an exploded perspective view of the metal guide arm and the shielding case of the electronic card connector of the present invention shown in FIG. 1 , and shows the situation before the metal guide arm and the shielding case are assembled.

FIG. 6 is a partial view of the metal guide arm and the shielding shell of the electronic card connector of the present invention shown in FIG. 4 .

Fig. 7 is a front view of the combination of the metal guide arm and the shielding housing of the electronic card connector of the present invention shown in Fig. 3, and shows a partially enlarged view at the same time.

【Detailed ways】

Please refer to Fig. 1 and Fig. 2, the electronic card connector 100 of the present utility model comprises a connector base body, a pair of metal guide arms 1 respectively assembled on both ends of the connector base body, and metal guide arms matched with the metal guide arms. The shielding shell 2 and the card ejection mechanism 3 installed on one side of the guide arm; wherein, in this embodiment, the connector base has a longitudinal insulating body 4, several terminals held in the insulating body, assembled on The ground plate 5 on the insulating body 4 and the shell 6 installed on the insulating body.

Please refer to Fig. 2 and Fig. 3, the insulator body 4 is arranged in a longitudinal direction, and the insulator body 4 has side walls 41 located at both ends of the longitudinal direction, and the pair of metal guide arms 1 are respectively arranged On the side wall 41 of the insulating body 4, wherein the side wall 41 of the insulating body 4 is provided with a bump 42, and each metal guide arm has a through hole 11 that cooperates with the bump 42, and the The metal guide arm is fixed on the insulating body, and the insulating body 4 and the pair of metal guiding arms 1 jointly form a storage space for accommodating an electronic card, wherein the terminals are fixed on the insulating body 4, and each The terminal has a contact portion protruding into the receiving space and a welding portion extending out of the insulating body.

The card ejection mechanism is arranged on one side of the guide arm, and the card ejection mechanism has a pushing device 31, a ejector device 32 and a positioning housing 33, wherein the positioning housing 33 has a function to hold the card ejection mechanism 3 on the metal guide arm 1, and the ejector device 32 is arranged on the connector base and is located in the receiving space, through which the electronic card accommodated in the receiving space can be removed from the electronic card connector of the present utility model leave. The working principle of the card ejection mechanism is familiar to those skilled in the art, so details will not be repeated here.

Please refer to FIG. 2 and FIG. 4 again, the ground plate 5 is fixed on the insulating body and protrudes into the receiving space, and the shell 6 is arranged on the outside of the insulating body. The metal guide arm 1 has a buckle hole 12, and the buckle part 331 of the card ejection mechanism 3 is locked in the buckle hole 12, thereby holding the card ejection mechanism 3 on the metal guide arm; in addition , the housing 6 is provided with a first bending piece 61 and a second bending piece 62, and the housing 6 is fixed on the insulating body through the first and second bending pieces, wherein the first bending piece 61 The through hole is buckled on the bump 42 of the insulating body 4, and the second bent piece 62 is accommodated in the notch 43 of the insulating body 4, and is provided with a buckling hole buckled on the bump of the insulating body 4 621. A threaded hole 431 is recessed below the notch 43 of the insulating body, and the second bent piece 62 is provided with a round hole corresponding to the threaded hole, so that the shell 6 can be fixed on the insulating body by bolts (not shown). .

Please refer to Fig. 5, each metal guide arm 1 has a side portion 15 roughly parallel to the insertion direction of the electronic card, an upper bending portion 13 and a lower bending portion bent from the upper and lower ends of the side portion into the receiving space respectively. The folding part 14 is provided with several buckling parts 131 on the upper and lower bending parts. The shielding shell 2 is provided with buckle parts 21 outwardly extending from the longitudinal length to the two side edges, and the buckle parts 21 are locked on the buckle part 131 and connect the shell 2 to two metal guide arms. 1 on.

Please refer to FIG. 6 and FIG. 7, the buckle part 21 of the shielding shell has a pressing piece 22 parallel to the shielding shell and a connecting portion 23 connecting the pressing piece to the edges on both sides; in this embodiment The buckle part 131 of the metal guide arm 1 described in the above is provided with an opening 132 and an arm part 133 formed on the side of the opening. The arm part 133 is located at the outer end of the upper bending part or the lower bending part, that is, in the longitudinal direction Above, the distance between the opening 132 on each metal guide arm 1 and the opening of the other metal guide arm is greater than the distance between the two arm parts 133, so that the connecting part 23 can abut against the arm part 133 , to prevent the two metal guide arms from moving outward.

Please refer to Fig. 6 and Fig. 7, when assembling, the upper bending part 13 or the lower bending part 14 of the guide arm 1 and the shielding shell 2 are arranged perpendicular to each other, and the buckle part of the shielding shell 2 21 is inserted into the opening 132 of the upper bending part 13, and then the pressing piece of the shielding case 2 is rotated. 1 combined with each other. The pressing piece 22 is located inside the upper or lower bending portion, that is, the pressing piece 22 is located in the receiving space, which can prevent the shielding case 2 from breaking away from the metal guide arm 1; the connecting portion 23 is It is accommodated in the opening, and the connecting portion 23 is pressed against the arm portion 133 to prevent the metal guide arms 1 on both sides from moving outward. In addition, the arm portion 133 is arched toward the adjacent shielding shell side , so as to prevent the shielding shell 2 from moving further into the receiving space. The buckling portion 131 of the metal guide arm 1 and the buckle portion 21 of the shielding case 2 are combined with each other. Compared with the conventional electrical connector, the shielding case 2 can be easily assembled on the metal guide arm 1 . In addition, if the shielding case 2 is placed on the metal guide arm 1, the shielding case 2 can be easily separated from the metal guide arm 1 without damaging the shielding case 2 or the metal guide arm 1. member.

The above-mentioned implementations are preferred implementations of the electronic card connector of the present invention. Certainly, the utility model also can adopt other implementation modes:

For example, the connecting part of the buckle part is directly held in the opening of the buckle part, and the shielding case does not need to be provided with a pressing piece accommodated in the receiving space, and the shielding case and the metal guide arm can also be simplified. assembly.

Claims (9)

1. electronic card coupler, it comprises connector matrix, a pair of shielding casing that is assembled in the metal guide arm on the described connector matrix and is covered in the described connector matrix outside; Described connector matrix is provided with the two side, and described metal guide arm is connected on this two side, and is formed with receiving space jointly with described connector matrix, and described metal guide arm is provided with holding part; Described shielding casing has shielding portion that covers at least one side of described receiving space and the clamping part that cooperatively interacts with described metal guide arm holding part, this shielding portion have be positioned at both sides and corresponding to described metal guide arm lengthwise to lateral edges, described clamping part stretches out from this lateral edges and forms;

It is characterized in that: the holding part of described metal guide arm has opening, and the clamping part of described shielding casing has and passes this opening and be contained in the sheet that compresses in the receiving space, to prevent the disengaging of shielding casing and metal guide arm.

2. electronic card coupler as claimed in claim 1 is characterized in that: described metal guide arm has sidepiece and perpendicular to sidepiece and to the kink of receiving space lateral buckling, the described sheet that compresses presses on this kink.

3. electronic card coupler as claimed in claim 1 or 2, it is characterized in that: the open side of described metal guide arm holding part is formed with arm, described clamping part is provided with the connecting portion that is contained in this opening, on longitudinally, the distance between the arm of the arm of each metal guide arm and another metal guide arm is less than the distance between corresponding two connecting portions.

4. electronic card coupler as claimed in claim 3 is characterized in that: described connecting portion and described arm connect.

5. electronic card coupler as claimed in claim 3 is characterized in that: described shielding casing to compress sheet parallel with shielding casing, described connecting portion with this compress sheet be connected to the shielding casing lengthwise to both sides of the edge.

6. electronic card coupler as claimed in claim 3 is characterized in that: the arm of described kink moves in receiving space to prevent shielding casing to contiguous shielding casing side projection.

7. electronic card coupler as claimed in claim 1, it is characterized in that: described connector matrix comprises insulating body, be immobilizated in several terminals in the insulating body, be installed on shell on the insulating body, be mounted on the ground strip on the insulating body, and wherein said terminal is provided with the contact site that extends in the described receiving space.

8. electronic card coupler as claimed in claim 7 is characterized in that: the outside, described insulating body two ends is provided with projection, and described metal guide arm is provided with the through hole that fastens with this projection.

9. electronic card coupler as claimed in claim 1, it is characterized in that: described electronic card coupler also includes trip mechanism, this trip mechanism is assembled on the metal guide arm, described trip mechanism has positioning housing, and this positioning housing is provided with trip mechanism is immobilizated in clamping part on the metal guide arm.

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