CN101340026B - Connector for electronic card - Google Patents

Abstract

An electronic card connector, electrically connected with a cable, which includes an insulating body, a conductive terminal accommodated in the insulating body, and a shielding case installed at the rear end of the insulating body, and the insulating body is provided with a plurality of terminal receiving slots that penetrate through the front and back , including a lengthwise base, a butt part extending horizontally from one side of the base and a positioning part extending horizontally from the other side of the base relative to the butt joint, the positioning part is provided with a middle part, and the middle part is provided with a number of slots One-to-one correspondence with the terminal receiving groove. The conductive terminal includes a holding portion and a welding portion extending from the holding portion. The holding portion is fixed in the insulating body, and the welding portion is accommodated in the slot to be electrically connected to the cable extending into the slot. Thereby, due to the existence of the slot, the cable can be accurately positioned on the insulating body, thereby ensuring the electrical connection between the conductive terminal and the cable.

Description

electronic card connector

【Technical field】

The invention relates to an electronic card connector, in particular to an electronic card connector electrically connected with a cable.

【Background technique】

With the popularity of portable electronic devices, because of the limited space, it is difficult to assemble many functional components in this small space, so it is usually equipped with an electronic card connector for receiving and conducting electronic cards to assemble such as memory cards, Components such as expansion cards and hard disk drives. This type of electronic card connector is mostly directly soldered on the printed circuit board, but in some special cases, the conductive terminals of the electronic card need to be transferred to the printed circuit board with a flexible circuit board or an adapter sub-board, which gives the electronic The installation of the card connector presents new problems. For example, Chinese Patent No. 2833922 discloses an electronic card connector electrically connected to a flexible circuit board. The tails of the conductive terminals of the electronic card connector extend horizontally and are directly soldered to the flexible circuit board. However, the cost of the flexible circuit board is relatively high, and if a low-cost cable is used for switching, it is difficult to ensure the effect of the electrical connection between the cable and the electronic card connector due to the lack of a positioning device.

Therefore, a new electronic card connector is needed to solve the above problems.

【Content of invention】

The purpose of the present invention is to provide an electronic card connector, which can effectively ensure that the cable is directly electrically connected to the electronic card connector.

In order to achieve the above object, the electronic card connector of the present invention includes: an electronic card connector including an insulating body, a conductive terminal accommodated in the insulating body, a number of cables electrically connected to the conductive terminal, a grounding piece, and a The shielding shell at the rear end of the insulating body. The cable includes a core wire, a grounding layer covering the core wire, and an insulating layer covering the grounding layer. The long base, the butt part extending horizontally from one side of the base and the positioning part extending horizontally from the other side of the base relative to the butt joint, the positioning part is provided with a middle part; the positioning part is provided with a groove extending along the longitudinal direction part and a number of slots provided on the middle part corresponding to the terminal receiving grooves one by one, the conductive terminal includes a holding part and a welding part extending from the holding part, the holding part is fixed in the insulating body, and the welding part is accommodated in The slot is electrically connected to the core wire extending into the slot, and the ground sheet is electrically connected to the ground layer of the cable.

Compared with the prior art, the electronic card connector of the present invention adopts the method of cable transfer, which effectively reduces the manufacturing cost, and can accurately position the cable by slotting, so as to ensure that the conductive terminal can be stably connected to the cable. sexual connection.

【Description of drawings】

Fig. 1 is a three-dimensional combined schematic diagram of a preferred embodiment of the present invention, and shows a state of actual use.

Fig. 2 is an exploded perspective view of a preferred embodiment of the present invention.

FIG. 3 is a schematic diagram of an insulating body installed with conductive terminals according to a preferred embodiment of the present invention.

Fig. 4 is a schematic diagram of a cable welded to a conductive terminal according to a preferred embodiment of the present invention.

【Detailed ways】

Please refer to FIG. 1, the electronic card connector 100 of the present invention includes an insulating body 10 that accommodates a plurality of conductive terminals 20, a shielding shell 30 installed at the rear end of the insulating body 10, a grounding plate 40 installed at the front end of the insulating body 10, and The conductive terminals 20 are electrically connected to a plurality of cables 50 . The shielding housing 30 is generally in an "L" shape.

Please refer to FIG. 2 , the insulating body 10 includes a lengthwise base 110 , arms 120 extending backward from both ends of the base 110 , and a butt joint between the two arms 120 extending horizontally from the base 110 . The portion 130 and the positioning portion 140 extending forward from the base portion 110 . The two arm portions 120 and the shielding case 30 jointly form an "L"-shaped receiving space for receiving the electronic card. The docking portion 130 extends into the receiving space. The insulating body 10 is provided with a plurality of terminal accommodating grooves 150 penetrating forward and backward. The receiving slots 150 extend from the rear end surface of the base portion 110 to the front end of the docking portion 130 . A front end of the docking portion 130 is provided with a plurality of openings 131 corresponding to the above-mentioned receiving grooves 150 . The positioning portion 140 is elongated and lower than the upper surface of the base portion 110 , and includes a middle portion 141 and fixing portions 142 located at two ends of the middle portion 141 . The two fixing portions 142 respectively define a screw hole 143 . The middle portion 141 includes a plurality of slots 144 and protruding ribs 145 between every two slots 144 . The slots 144 correspond to the terminal receiving slots 150 one by one. Each protruding rib 145 defines a notch 146 at the same position, and these notches 146 jointly form a groove 147 in the longitudinal direction for receiving part of the grounding plate 40 .

The conductive terminal 20 includes a holding portion 210 , a contact portion 220 extending forward from the holding portion 210 , and a welding portion 230 extending downward from the holding portion 210 and then extending horizontally. The holding portion 210 of the conductive terminal 20 is held in the terminal receiving groove 150 of the insulating body 10, the contact portion 220 extends out of the front opening 131 of the mating portion 130, and the welding portion 230 protrudes from the rear surface of the insulating body 10 and is accommodated in the above-mentioned slot. Within 144.

Referring to FIG. 1 again, the shielding shell 30 is provided with a pair of grounding portions (not labeled) extending forward from both sides of the front end to the fixing portion 142 of the insulating housing 10 . A through hole is defined on each ground portion, and the through hole corresponds to the above-mentioned screw hole 143 .

The ground plate 40 is also a longitudinal structure, including a long and narrow main body 410 and mounting parts 420 disposed at two ends of the main body 410 . Each mounting portion 420 defines a through hole 421 . The main body portion 410 of the ground piece 40 is accommodated in the groove portion 147 of the middle portion 141 of the positioning portion 140, and the two mounting portions 420 are horizontally attached to the two fixing portions 142 of the positioning portion 140 respectively, and the through holes 421 and the screws of the fixing portion The holes 143 are in one-to-one correspondence.

Each cable 50 includes a core wire 510, a ground layer 530 wrapped outside the core wire 510, and an insulating layer 520 wrapped outside the ground layer. The ground layer 530 is made of a metal material, and the core wire 510 and the ground layer 530 is filled with insulating substances.

Please refer to FIG. 3 and FIG. 4 , when installing, first insert the conductive terminal 20 into the terminal receiving groove 150 of the insulating body 10 along the front-back direction, and the welding portion 230 thereof is located in the slot 144 of the positioning portion 140 . Then, the grounding piece 40 is installed on the positioning portion 144 of the insulating body 10, and a screw 70 passes through the through hole of the shielding shell 30, the through hole 421 of the grounding piece 40 and the screw hole 143 of the insulating body 10, so as to fix the grounding piece 40 on the insulating body 10. The screw is electrically connected to the circuit board mounted on the electronic card connector, so as to achieve a grounding effect. Finally, the front end of each cable 50 is inserted into the slot 144 of the positioning portion 140 . The core wire 510 whose front end exposes the insulating layer 520 is welded to the welding portion 230 of the conductive terminal 20 , and the ground layer 530 is located on and in contact with the ground sheet 40 .

Compared with the prior art, the electronic card connector 100 of the present invention is transferred to other electronic devices through the cable 50, compared with the use of a flexible circuit board, which effectively reduces the manufacturing cost and can be accurately positioned by the slot 144 The cable 50 ensures that the conductive terminal 20 is electrically connected to the cable 50 , and at the same time, a good grounding effect can be achieved through the cooperation of the ground plate 40 and the screw 70 .

Claims (10)

1. An electronic card connector installed on a printed circuit board. The electronic card connector includes an insulating body, a conductive terminal accommodated in the insulating body and a shielding shell installed at the rear end of the insulating body. A plurality of terminal receiving grooves, the insulating body includes a lengthwise base, a butt joint extending horizontally from one side of the base, and a positioning portion horizontally extending from the other side of the base relative to the joint, the positioning portion is provided with a middle portion; The conductive terminal includes a holding part and a welding part extending from the holding part. The holding part is fixed in the insulating body, and the shielding shell is covered on the base and the docking part to form a storage space for the electronic card. It is characterized in that: The card connector also includes a ground sheet and a number of cables electrically connected to the conductive terminals. The cable includes a core wire, a ground layer covering the core wire, and an insulating layer covering the ground layer. The ground layer and the ground The positioning part is provided with a groove extending along the longitudinal direction to accommodate the grounding part. There are also a number of slots in the middle part of the positioning part corresponding to the terminal receiving grooves. The welding part of the conductive terminal is accommodated in the The inside of the slot is electrically connected with the core wire extending into the slot. 2. The electronic card connector according to claim 1, wherein a protruding rib is provided between every two slots of the positioning part of the insulating body, and each protruding rib is provided with a notch, and the groove part is formed by such Notches are formed together. 3. The electronic card connector as claimed in claim 2, wherein the ground plate comprises a longitudinally long main body, and the main body is accommodated in the longitudinally long groove. 4. The electronic card connector according to claim 3, wherein the positioning part of the insulating body further includes fixing parts respectively arranged at both ends of the middle part, and the above-mentioned grounding piece further includes installation parts respectively arranged at both ends of the main body part, The mounting part is pasted on the fixing part. 5. The electronic card connector as claimed in claim 4, wherein the shielding shell comprises a pair of grounding portions, and the two grounding portions respectively extend to the fixing portion of the insulating body. 6. The electronic card connector as claimed in claim 5, wherein the mounting portion of the ground plate and the ground portion of the shielding case are fixed on the fixing portion by a screw, and the screw is electrically connected to the printed circuit board. 7 . The electronic card connector as claimed in claim 1 , wherein two arms extend backward from both ends of the base, and the docking portion is located between the two arms. 8 . the 8 . The electronic card connector as claimed in claim 7 , wherein the shielding case is L-shaped, and together with the two arm portions, forms a storage space for receiving the electronic card. 9 . 9. The electronic card connector as claimed in claim 1, characterized in that: the two ends of the above-mentioned grounding plate are provided with mounting parts, the shielding shell has a pair of grounding parts corresponding to the above-mentioned mounting parts, and the above-mentioned mounting part and the grounding part pass through a The fixing part is electrically connected with the printed circuit board. 10 . The electronic card connector as claimed in claim 1 , wherein the terminal receiving groove extends from the rear end surface of the base to the front end of the mating portion, and a plurality of openings are formed at the front end of the mating portion corresponding to the terminal receiving grooves. 11 . the

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