CN114094397A - Card connector and mobile terminal with same - Google Patents

Card connector and mobile terminal with same Download PDF

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Publication number
CN114094397A
CN114094397A CN202111396417.0A CN202111396417A CN114094397A CN 114094397 A CN114094397 A CN 114094397A CN 202111396417 A CN202111396417 A CN 202111396417A CN 114094397 A CN114094397 A CN 114094397A
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CN
China
Prior art keywords
card
terminal
base
card connector
terminals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111396417.0A
Other languages
Chinese (zh)
Inventor
姜南
刘磊
陈焕毅
梁元明
左洋慧
陈拥华
朱芳
刘志勇
周知明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Jieyong Precision Technology Co ltd
Original Assignee
Dongguan Jieyong Precision Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Jieyong Precision Technology Co ltd filed Critical Dongguan Jieyong Precision Technology Co ltd
Priority to CN202111396417.0A priority Critical patent/CN114094397A/en
Publication of CN114094397A publication Critical patent/CN114094397A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces

Abstract

The invention relates to the technical field of card connector equipment, and discloses a card connector and a mobile terminal with the same, wherein the card connector comprises an insulating base, a shielding shell and a card holder, the shielding shell is connected to the insulating base, an accommodating space for installing the card holder is formed between the insulating base and the shielding shell, a base terminal and a plurality of card connecting terminals are arranged on the insulating base, and a shell terminal which is abutted against the base terminal to form a detection switch is arranged on the shielding shell; when the card support is not completely inserted into the accommodating space, the base terminal is abutted against the shell terminal to close the detection switch, and when the card support is completely inserted into the accommodating space, the base terminal and the shell terminal are separated by the card support to open the detection switch. The invention also provides a mobile terminal with the card connector. The invention can ensure the stability of the card connector, save the production cost of the card connector and reduce the production cost of the card connector.

Description

Card connector and mobile terminal with same
Technical Field
The invention relates to the technical field of card connector equipment, in particular to a card connector and a mobile terminal with the same.
Background
With the popularization of the 5G technology, the space utilization rate of mobile terminals such as mobile phones and automobiles is continuously improved, which requires that the volume of various hardware is reduced and the production cost is reduced as much as possible. The card connector is a connector for installing electronic cards such as SIM card, TF card, etc. in a mobile terminal, and generally comprises a base, an electric connection terminal, a card holder and a shielding component. Because various electronic cards of the card connector need to be electrified for data transmission after the electronic cards are inserted in place, the damage of the electronic cards is avoided. The conventional card connector generally has a detection switch for detecting whether the electronic card is properly inserted.
Patent CN203071329U (application No. CN 201320028685.1) discloses a card connector, wherein the detection switch is mainly a detection terminal, the detection terminal is disposed on the base of the card connector and has a fixing portion embedded in the mounting seat, an elastic arm extending from the fixing portion to the abutting portion out of the mounting seat, and a welding portion extending from the fixing portion to the cover portion opposite to the mounting seat, the elastic arm has a pushed portion protruding to the accommodating space in a bending manner and a contact portion formed at the end of the elastic arm to contact with the abutting portion, the pushed portion can be pushed by the object accommodated in the accommodating space to change the electrical connection state between the contact portion and the abutting portion. The detection terminal with the structure is complex in structure, needs to be fixed and is provided with the abutting part corresponding to the detection terminal, and is easy to generate defects during production and assembly, so that the production cost is high; meanwhile, the card connector needs to leave a space for the detection terminal and the abutting part fixing structure in the length direction, so that the volume of the card connector is large.
Disclosure of Invention
The invention aims to provide a card connector and a mobile terminal with the same, which can greatly reduce the volume of the card connector and ensure the stability of a detection switch of the card connector.
In order to achieve the above object, the present invention provides a card connector, including an insulating base, a shielding shell and a card holder, wherein the shielding shell is connected to the insulating base, an accommodating space for installing the card holder is formed between the insulating base and the shielding shell, the insulating base is provided with a base terminal and a plurality of card connecting terminals, and the shielding shell is provided with a shell terminal which is abutted against the base terminal to form a detection switch;
when the card support is completely inserted into the accommodating space, the base terminal is abutted against the shell terminal to close the detection switch, and when the card support is not completely inserted into the accommodating space, the base terminal and the shell terminal are separated by the card support to open the detection switch.
Preferably, the base terminal is provided at the end of the card support stroke.
Preferably, the number of the base terminals is two, and the two base terminals have first elastic parts obliquely and upwardly arranged from the insulating base.
Preferably, the ends of the two base terminals have first interference portions bent toward the insulating base.
Preferably, the housing terminals are provided above the base terminals, and the number of the housing terminals is two.
Preferably, the two housing terminals have second elastic parts bent toward the sides close to the base terminals.
Preferably, the end of the second elastic portion has a second abutting portion forming a straight structure, and the end of the second abutting portion has a position-giving portion bent to a side away from the base terminal.
Preferably, the base terminal and one of the card connecting terminals are connected to form an integral structure.
Preferably, the contact part of the card support with the base terminal and the shell terminal is made of insulating plastic materials.
The invention also provides a mobile terminal with the card connector.
The invention provides a card connector, comprising an insulating base, a shielding shell and a card holder, wherein the shielding shell is connected on the insulating base, an accommodating space for installing the card holder is formed between the insulating base and the shielding shell, a base terminal and a plurality of card connecting terminals are arranged on the insulating base, a shell terminal which is abutted against the base terminal to form a detection switch is arranged on the shielding shell, and the base terminal and the shell terminal of the card connector are superposed with the card holder in the stroke direction of the card holder, so that the length of the card connector is reduced, the volume of the card connector is reduced, and the connection stability of the card connector can be ensured;
when the card holds in the palm and does not insert the accommodation space completely, base terminal and shell terminal butt make detection switch be closed, and when the card held in the palm and inserts the accommodation space completely, base terminal and shell terminal held in the palm by the card and separate and make detection switch be open circuit for the card holds in the palm the on-off state that can control card connector's detection switch, and card connector's stability is good, and the equipment is simple, has reduced manufacturing cost.
The invention also provides a mobile terminal with the card connector, which reduces the production cost and the occupied volume of the card connector.
Drawings
Fig. 1 is a schematic perspective exploded view of a card connector according to an embodiment of the present invention;
fig. 2 is a partial structural view of the card connector of fig. 1 at a;
FIG. 3 is a partial schematic view of the card connector of FIG. 1 at B;
fig. 4 is a schematic structural view of an insulating base of the card connector in the embodiment of the present invention;
fig. 5 is a schematic view showing a flip-over structure of the shield shell of the card connector in the embodiment of the present invention;
FIG. 6 is a schematic perspective exploded view of the card connector according to the embodiment of the present invention;
FIG. 7 is a schematic perspective exploded view of the card connector according to the embodiment of the present invention;
FIG. 8 is a perspective exploded view of a card connector of a prior art construction;
FIG. 9 is a partial schematic view of the card connector C of FIG. 8;
fig. 10 is a schematic view of a shield shell structure of a card connector of a conventional structure;
in the figure, 100, an insulating base; 110. a base terminal; 111. a first elastic part; 112. a first interference part; 120. a card connecting terminal; 200. a shielding housing; 210. a housing terminal; 211. a second elastic part; 212. a second interference part; 213. a relief portion; 300. clamping and supporting; 310. an accommodating space; 400. a detection switch; 510. a switch rocker arm; 511. a fixed arm; 512. a rocking beam; 520. a switch contact.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 8, 9 and 10, in the conventional card connector, a switching swing arm 510 and a switching contact 520 are provided at the end of the stroke of the card holder 300, the switching swing arm 510 is electrically contacted with the switching contact 520 by the pressing of the card holder 300, and when the card holder 300 is withdrawn, the electrical connection between the switching swing arm 510 and the switching contact 520 is disconnected, and the function of the detection switch is realized by the disconnection and contact of the switching swing arm 510 and the switching contact 520. However, the switch rocker 510 has the fixing arm 511 and the rocker 512, so that the length of the switch rocker 510 in the card holder moving direction of the card connector requires a space for the switch rocker 510 and a structure for fixing the switch rocker 510, and the card connector in the conventional structure is affected by the detection switch and is difficult to be reduced in size; meanwhile, the switch rocker arm 510, the switch contact 520 and the fixing structure of the switch rocker arm 510 and the switch contact 520 need special molds to realize, so that the production cost of the existing card connector is high; the process of assembling the switch rocker 510, the switch contact 520 and the fixing structure thereof is complicated, and is liable to cause a failure, so that the production cost is high; such a detection switch assembly has a complicated structure and reliability in use is also lowered.
Example 1
As shown in fig. 1 to 7, a card connector according to a preferred embodiment of the present invention reduces the size and assembly processes of the card connector, and reduces the production cost.
Based on the above technical solution, this embodiment 1 provides a card connector, including insulating base 100, shielding shell 200 and card support 300, insulating base 100 is the mount pad of this card connector of fixed, and insulating base 100 is connected with mobile terminal in order to fix this connector. The shielding case 200 is used to shield signal interference, and the shielding case 200 is made of metal.
Specifically, the card holder 300 is a fixing frame for fixing an electronic card, and an electronic memory card or a communication card such as a NANO card or an SD card may be placed in the card holder 300. The card holder 300 generally comprises a frame-shaped steel sheet serving as a frame structure and a plastic layer disposed on an outer surface of the steel sheet.
Specifically, the shielding shell 200 is connected to the insulating base 100, a receiving space 310 for mounting the card holder 300 is formed between the insulating base 100 and the shielding shell 200, the receiving space 310 can prevent the electronic card from being separated from the card connector, and the shielding shell 200 is formed in the receiving space 310 to shield the space, so as to prevent the electronic card signals from being interfered by electromagnetic signals outside the shielding shell 200.
Specifically, the insulating base 100 is provided with a base terminal 110 and a plurality of card connecting terminals 120, and the card connecting terminals 120 are used for contacting with contacts of an electronic card, so as to exchange data with the electronic card. Since the functions of the contacts of the electronic card and the card connecting terminals 120 of the card connector are different from each other, data transmission between the electronic card and the card connecting terminals 120 is not possible when the electronic card is not inserted in place. The card connector is provided with a detection circuit for detecting whether the electronic card is inserted in place, before the card connector is communicated with the electronic card, the insertion state of the electronic card is detected through a detection switch, and if the electronic card is inserted in place, the electronic card is electrified between the electronic card and the card connecting terminal 120 for data transmission so as to protect the safety of the electronic card.
Specifically, the shield case 200 is provided with a case terminal 210 which abuts against the base terminal 110 to form a detection switch 400, and the detection switch is formed by combining the base terminal 110 and the case terminal 210, thereby realizing detection of the electronic card and the card holding state.
Specifically, as shown in fig. 1, the detection switch 400 operates by the following principle: the signal of the base terminal 110 and the signal of the card connecting terminal 120 can be jointly accessed into the control program of the card connector. When the card holder 300 is not completely inserted into the accommodating space 310, the base terminal 110 abuts against the housing terminal 210 to close the detection switch 400, and at this time, the program receives the limit number that the base terminal 110 and the housing terminal 210 are connected, so that the insertion state of the electronic card can be detected in the connection process, and the data transmission between the card connection terminal 120 and the electronic card can be realized by subsequently powering on the card connection terminal 120.
Specifically, when the card holder 300 is completely inserted into the accommodating space 310, the base terminal 110 and the shell terminal 210 are separated by the card holder 300 to open the detection switch 400, and at this time, the signal of the detection switch 400 is received through the program, and the card connection terminal 120 is powered off through the program control, so as to prevent the card connection terminal 120 from damaging the electronic card and affecting the safety of the product due to the card connection terminal 120 channel during the movement of the card holder 300.
Specifically, the base terminal 110 is disposed at the end of the stroke of the card holder 300, so as to detect whether the card holder 300 reaches the end of the stroke, and to detect whether the card holder 300 is inserted in place.
Specifically, the number of the base terminals 110 is two, and the number of the base terminals 110 is two, so that the reliability of the system can be improved, and the normal implementation of the function of the base terminals 110 can be ensured when one of the base terminals fails, wherein the number of the base terminals 110 may also be three, four, and the like.
Specifically, as shown in fig. 3, the two base terminals 110 have the first elastic portion 111 disposed obliquely upward from the insulating base 100, and by disposing the first elastic portion 111, the base terminals 110 can be restored to contact with the housing terminals 210 after the card holder 300 moves away from the base terminals 110, thereby ensuring the normal operation of the detection switch 400.
Specifically, as shown in fig. 3, the ends of the two base terminals 110 have first interference parts 112 bent toward the insulating base 100, the first interference parts 112 are electrical contacts directly contacting with the housing terminals 210, and the stability of electrical contact can be ensured by providing the first interference parts 112.
As shown in fig. 3, the first interference portion 112 is bent toward the insulating base 100, so that the first interference portion 112 is more smoothly contacted and separated with respect to the housing terminal 210, thereby prolonging the service life of the connector.
Specifically, the housing terminal 210 is disposed above the base terminal 110, so that the housing terminal 210 and the base terminal 110 are disposed correspondingly, which facilitates the direct contact or separation between the housing terminal 210 and the base terminal 110, and improves the stability of the electrical connection between the terminals.
Specifically, the number of the shell terminals 210 is two, the number of the shell terminals 210 may also be three or four, and the like, and after one of the shell terminals 210 fails, the shell terminals 210 can ensure normal functions, thereby improving the reliability of the electrical connection of the card connector.
Specifically, as shown in fig. 2, the two housing terminals 210 have second elastic portions 211 bent toward the side close to the base terminal 110, and by providing the second elastic portions 211, after the card holder 300 moves to separate from the housing terminals 210, the housing terminals 210 can return to contact with the base terminal 110, thereby ensuring the normal operation of the detection switch 400.
Specifically, as shown in fig. 2, the end of the second elastic portion 211 has a second interference portion 212 forming a straight structure, and the second interference portion 212 makes the shell terminal 210 and the base terminal 110 contact more tightly, so as to improve the stability of the electrical contact between the shell terminal 210 and the base terminal 110.
Specifically, the end of the second abutting portion 212 has a yielding portion 213 bent toward the side away from the base terminal 110, and the shell terminal 210 can be prevented from being hooked with the card holder 300 and the base terminal 110 by the yielding portion 213, so as to improve the safety and stability of the card connector during operation.
Alternatively, the relief portion 213 may also be provided at the end of the base terminal 110.
Specifically, base terminal 110 and a card connecting terminal 120 connect into an integrated structure, through directly setting base terminal 110 to the similar structure of card connecting terminal 120, be convenient for press-fit base terminal 110 on insulating base 100 when assembling card connecting terminal 120, then with shield shell 200 press-fit on insulating base 100, can realize the equipment of this card connector, greatly reduced the complexity when card connector produces. Make this card connector compare in the card connector of traditional structure, saved processes such as the equipment of rocking arm, card connector's volume also reduces greatly, and the raw and other materials cost and the equipment cost of production are effectively controlled.
Specifically, the contact portions of the card holder 300 with the base terminal 110 and the housing terminal 210 are made of an insulating plastic material, so that the card holder 300 can open and close the detection switch 400 by using its own external insulating material.
Example 2
The embodiment provides a mobile terminal having the card connector in embodiment 1, and the mobile terminal may be a mobile terminal device having the card connector, such as a mobile phone, a tablet computer, and a new energy vehicle.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. The card connector is characterized by comprising an insulating base (100), a shielding shell (200) and a card support (300), wherein the shielding shell (200) is connected to the insulating base (100), an accommodating space (310) for installing the card support (300) is formed between the insulating base (100) and the shielding shell (200), a base terminal (110) and a plurality of card connecting terminals (120) are arranged on the insulating base (100), and a shell terminal (210) which is abutted with the base terminal (110) to form a detection switch (400) is arranged on the shielding shell (200);
when the card holder (300) is not completely inserted into the accommodating space (310), the base terminal (110) is abutted against the housing terminal (210) to close the detection switch (400), and when the card holder (300) is completely inserted into the accommodating space (310), the base terminal (110) and the housing terminal (210) are separated by the card holder (300) to open the detection switch (400).
2. The card connector of claim 1, wherein the base terminal (110) is provided at an end of a stroke of the card holder (300).
3. The card connector of claim 2, wherein the number of the base terminals (110) is two, and the two base terminals (110) have first elastic parts (111) arranged obliquely upward from the insulating base (100).
4. The card connector of claim 2, wherein the ends of the two base terminals (110) have first interference portions (112) bent toward the insulating base (100).
5. The card connector of claim 1, wherein the shell terminals (210) are provided above the base terminals (110), and the number of the shell terminals (210) is two.
6. The card connector of claim 5, wherein the two shell terminals (210) have second elastic portions (211) bent toward the sides adjacent to the base terminals (110).
7. The card connector of claim 5, wherein the second elastic part (211) has a second interference part (212) at its end forming a straight structure, and the second interference part (212) has a relief part (213) bent toward a side away from the base terminal (110).
8. The card connector of claim 1, wherein the base terminal (110) and one of the card connecting terminals (120) are connected in an integral structure.
9. The card connector of claim 1, wherein the card holder (300) is made of an insulating plastic material at the contact portions with the base terminals (110) and the housing terminals (210).
10. A mobile terminal characterized by having the card connector according to any one of claims 1 to 9.
CN202111396417.0A 2021-11-23 2021-11-23 Card connector and mobile terminal with same Pending CN114094397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111396417.0A CN114094397A (en) 2021-11-23 2021-11-23 Card connector and mobile terminal with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111396417.0A CN114094397A (en) 2021-11-23 2021-11-23 Card connector and mobile terminal with same

Publications (1)

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CN114094397A true CN114094397A (en) 2022-02-25

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CN202111396417.0A Pending CN114094397A (en) 2021-11-23 2021-11-23 Card connector and mobile terminal with same

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114243351A (en) * 2021-12-08 2022-03-25 东莞杰永精密技术有限公司 Novel card connector and terminal with same

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2458757Y (en) * 2000-12-18 2001-11-07 富士康(昆山)电脑接插件有限公司 Electronic card connector
KR200404092Y1 (en) * 2005-09-06 2005-12-19 위슨 테크널러지스 코포레이션, 리미티드 A sensing device of a card inserted-connector
TWM328114U (en) * 2007-08-16 2008-03-01 Suyin Corp Detective terminal structure of card connector
TWM378533U (en) * 2009-03-31 2010-04-11 Hon Hai Prec Ind Co Ltd Card connector
US20130337685A1 (en) * 2012-06-14 2013-12-19 Hon Hai Precision Industry Co., Ltd. Electrical connector with detect function
US20140051297A1 (en) * 2012-08-18 2014-02-20 Ching-Jung Chan Card connector
CN204179267U (en) * 2014-11-10 2015-02-25 东莞市勒姆精密电子有限公司 Card connector

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2458757Y (en) * 2000-12-18 2001-11-07 富士康(昆山)电脑接插件有限公司 Electronic card connector
KR200404092Y1 (en) * 2005-09-06 2005-12-19 위슨 테크널러지스 코포레이션, 리미티드 A sensing device of a card inserted-connector
TWM328114U (en) * 2007-08-16 2008-03-01 Suyin Corp Detective terminal structure of card connector
TWM378533U (en) * 2009-03-31 2010-04-11 Hon Hai Prec Ind Co Ltd Card connector
US20130337685A1 (en) * 2012-06-14 2013-12-19 Hon Hai Precision Industry Co., Ltd. Electrical connector with detect function
US20140051297A1 (en) * 2012-08-18 2014-02-20 Ching-Jung Chan Card connector
CN204179267U (en) * 2014-11-10 2015-02-25 东莞市勒姆精密电子有限公司 Card connector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114243351A (en) * 2021-12-08 2022-03-25 东莞杰永精密技术有限公司 Novel card connector and terminal with same

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