CN106027087B - Kato structure and mobile terminal device - Google Patents

Kato structure and mobile terminal device Download PDF

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Publication number
CN106027087B
CN106027087B CN201610363404.6A CN201610363404A CN106027087B CN 106027087 B CN106027087 B CN 106027087B CN 201610363404 A CN201610363404 A CN 201610363404A CN 106027087 B CN106027087 B CN 106027087B
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China
Prior art keywords
card
pressure pin
connecting rod
horizontal pressure
pin
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CN201610363404.6A
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Chinese (zh)
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CN106027087A (en
Inventor
曾元清
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201610363404.6A priority Critical patent/CN106027087B/en
Publication of CN106027087A publication Critical patent/CN106027087A/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3816Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
    • 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  
    • H01R13/6485Electrostatic discharge protection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Elimination Of Static Electricity (AREA)

Abstract

The present invention proposes a kind of Kato structure and mobile terminal device.The Kato structure includes support cap, and the frame-shaped bracket being connected with the support cap, the bracket is used to place SIM card or TF card;The bracket includes the metal longitudinal direction pressure pin that side is connected with the support cap, and two are connected to the metal transverse direction pressure pin at longitudinal pressure pin both ends, and the connecting rod for the non-conductive material being connected between two horizontal pressure pin ends.Technical solution proposed by the present invention, can be effectively prevented from the ESD problems of metal card holder structure, and product cost will not be improved while improving product quality.

Description

Kato structure and mobile terminal device
Technical field
The present invention relates to mobile terminal device technical field, more particularly to a kind of Kato structure and mobile terminal device.
Background technology
With the development of electronic communication technology, mobile phone has also developed into intelligent machine from function machine, applied on mobile phone very More technologies have all had been enter into the forward position of electronics industry.But the widget that mobile phone Kato is unremarkable as one, always for many years It is not much development.In the function machine epoch, installation mobile phone card needs to pry open rear cover, SIM card, T cards is put into card slot.And existing The intelligent machine epoch, invented plug-type Kato, solved and be previously required to the trouble for prying open rear cover.In order to ensure to have enough Intensity, plug-in type Kato is generally made using metal material.But since metal belongs to good conductor, metal material system ESD (Electro-Static discharge, i.e. Electro-static Driven Comb) problem occurs in the plug-in type Kato of work.Particularly in drying Area, such as my north or some external countries for almost not raining throughout the year excessively, metal plug-in type card support faces more serious ESD problems.
In conventional art, in order to solve the problems, such as the ESD of metal plug-in type Kato, usually using a kind of leading-type solution party Method, i.e., all plus TVS pipe (the TRANSIENT VOLTAGE of anti-ESD on all pins of SIM card and T cards SUPPRESSOR, also referred to as transient voltage suppressor), then the pad of the metallic shield of Kato is connected to ground, is led to Cross TVS pipe and grounded metallic shield cover and the electrostatic for entering Kato is imported into machine ground level in one's hands.However, actual conditions do not have that Preferable, metal plug-in type Kato contacts and insufficient, there are larger into and out during with grounded metallic shield cover Contact impedance, prevent electrostatic from be discharged into time mobile phone on the ground.In addition, also have by all pins of SIM card and T cards All plus the TVS pipe of anti-ESD, to solve the problems, such as the ESD of metal plug-in type Kato.This method effect is preferable, but cost It is higher, and the TVS pipe of common 15pF is sticked, directly discharging the pin of SIM card and T cards, discharge voltage exceedes ± 6kV, Just occur that baseband chip pin damages.If it is intended to lift anti-ESD abilities, it is necessary to which the more expensive TVS pipe of installation, thus goes out The contradiction between cost and quality is showed.
The content of the invention
Based on this, the present invention proposes a kind of Kato structure and mobile terminal device, can be effectively prevented from metal Kato knot The ESD problems of structure, product cost will not be improved while improving product quality.
Its technical solution is as follows:
A kind of Kato structure, including support cap, the frame-shaped bracket being connected with the support cap, the bracket are used to place SIM card Or TF card;The bracket includes the metal longitudinal direction pressure pin that side is connected with the support cap, and two are connected to the longitudinal direction support The metal transverse direction pressure pin at bar both ends, and the connecting rod for the non-conductive material being connected between two horizontal pressure pin ends.
The longitudinal pressure pin and two horizontal pressure pins for forming bracket are made by metal material so that the main body of Kato structure Mainly it is made of metal material, ensure that the intensity of Kato structure.In addition, by Kato structure and shielding case, by SIM card and TF The contact of card is pressed on metal clips, so that SIM card and TF card are connected by metal clips with baseband chip pin.If will be even Extension bar is arranged to metal material, when company of the Kato structure between two horizontal pressure pins into and out during, are connected to Extension bar can be contacted with the metal clips of SIM card or TF card, when human hand static electrification, understood some electrostatic and directly passed through connecting rod Discharge on metal clips, electrostatic will damage the baseband chip pin being connected with shrapnel by metal clips.But by even When the connecting rod being connected between two metal transverse direction pressure pins is arranged to non-conductive material, electrostatic leads to the metal elastic of SIM card and T cards The path impedance of piece can become very big, and by the impedance of metallic shield to ground Comparatively speaking can smaller so that electrostatic master This small path of impedance is walked, therefore electrostatic can be walked to avoid baseband chip pin and make damage, you can eliminates base band core Piece pin is by the possibility of ESD damage.
Its further technical solution is illustrated below:
Further, the every horizontal pressure pin end offers the first laser carving groove;The connecting rod is arranged to plastic cement Material, and the both ends of the connecting rod are respectively by dispensing hot pressing connects at two the first laser carving grooves.
Further, the end of two horizontal pressure pins is described inwardly with respect to the first connecting pin of extension protrusion First laser carving groove is opened on first connecting pin.
Further, outside card is provided between at least one horizontal pressure pin and corresponding first connecting pin It is convex, and the outside card convex is arranged to triangular structure.
Further, the intermediate connecting rod of non-conductive material is also associated between two horizontal pressure pins middle parts, in described Between connecting rod the bracket is separated into the first card frame and the second card frame.
Further, the second prominent with respect to extension inwardly connection is both provided with the middle part of the every horizontal pressure pin End, the second connection end offer the second laser carving groove;The intermediate connecting rod is arranged to plastic cement material, and the intermediate connecting rod two End is respectively by dispensing hot pressing connects at two the second laser carving grooves.
Further, inner side card is provided between at least one horizontal pressure pin and the corresponding second connection end It is convex, and the inner side card convex is arranged to trapezium structure.
Further, two horizontal pressure pins are also both provided with the middle card convex for protruding inwardly and being oppositely arranged, described Middle card convex is between the connecting rod and intermediate connecting rod.
Further, be provided with the inside of at least one horizontal pressure pin be used to support SIM card or TF card support it is convex Edge.
In addition, the present invention also provides a kind of mobile terminal device, including housing body, it is opened in the housing body Card slot, the Kato structure as described above being installed in the card slot.
The present invention has beneficial effect prominent as follows:Use plastics etc. non-in the Kato structure that metal material makes The connecting rod that conductive material makes, avoids metal tie rods and is directly discharged baseband chip by shrapnel to damage base band core Piece, can disposably solve the problems, such as the ESD of metal Kato cost free.
Brief description of the drawings
Fig. 1 is the structure diagram of Kato structure described in the embodiment of the present invention;
Fig. 2 be Kato structure described in the embodiment of the present invention with metal clips to it is corresponding when structure diagram.
Description of reference numerals:
100- support caps, 200- brackets, 210- longitudinal directions pressure pin, 220- transverse direction pressure pins, the first connecting pins of 223-, 224- second connect Connect end, card convex among 225-, 230- connecting rods, card convex on the outside of 232-, 240- intermediate connecting rods, card convex on the inside of 242-, 300- metals Shrapnel.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of Kato structure, including support cap 100, the frame-shaped bracket 200 being connected with the support cap 100, institute Bracket 200 is stated to be used to place SIM card or TF card.The metal that the bracket 200 includes side with the support cap 100 is connected longitudinally is held in the palm Bar 210, two are connected to the metal transverse direction pressure pin 220 at longitudinal 210 both ends of pressure pin, and are connected to two horizontal strokes To the connecting rod 230 of the non-conductive material between 220 end of pressure pin.Form the longitudinal pressure pin 210 and two horizontal supports of bracket 200 Bar 220 is made by metal material so that the main body of Kato structure is mainly made of metal material, ensure that Kato structure Intensity.
In addition, as shown in Fig. 2, by Kato structure and shielding case, by the contact of SIM card and TF card (not illustrated in figure) It is pressed on metal clips 300, so that SIM card and TF card are connected by metal clips 300 with baseband chip pin.If will connection Bar 230 is arranged to metal material, when Kato structure is between two horizontal pressure pins 220 into and out during, are connected to Connecting rod 230 can be contacted with the metal clips 300 of SIM card or TF card, when human hand static electrification, it is direct some electrostatic Discharged into by connecting rod 230 on metal clips 300, electrostatic will damage the base being connected with shrapnel by metal clips 300 Microarray strip pin.But when the connecting rod 230 being connected between two metal transverse direction pressure pins 220 is arranged to non-conductive material, The path impedance that electrostatic leads to the metal clips 300 of SIM card and T cards by connecting rod 230 can become very big, and pass through metal screen Cover cover to ground impedance Comparatively speaking can smaller so that electrostatic mainly walks this small paths of impedance, therefore can be to avoid base Microarray strip pin walks electrostatic and makes damage, you can eliminates baseband chip pin by the possibility of ESD damage.
Moreover, every horizontal 220 end of pressure pin offers the first laser carving groove (not illustrated in figure), and connect Bar 230 is arranged to the plastic cement material of antistatic, and the both ends of the connecting rod 230 are respectively by dispensing hot pressing connects in described in two At first laser carving groove.First laser carving groove is gone out in horizontal 220 end laser engraving of pressure pin by laser engraving machine, precision is high, suitable for small Type device fabrication, does not interfere with the intensity of horizontal 220 end of pressure pin.In addition, by dispensing heat pressing process, easily by plastic material The both ends of connecting rod 230 be connected at two first laser carving grooves, it is possible to achieve be seamlessly connected so that connection is reliable, protects The bonding strength between connecting rod 230 and horizontal pressure pin 220 is demonstrate,proved.It in addition, by being seamlessly connected, also can see Kato structure Come beautiful and generous.In addition to connecting rod 230 is arranged to the plastic cement material of antistatic, it may also be configured to other and do not have electric conductivity The material (such as ceramic material) of energy.
Moreover, the end of two horizontal pressure pins 220 is inwardly with respect to the first connecting pin 223 of extension protrusion, institute The first laser carving groove is stated to be opened on first connecting pin 223.The end of every horizontal pressure pin 220 curve extension inwardly and Make to be integrally formed L-shape, i.e., horizontal pressure pin 220 includes the longer straight long section of the length that is connected with longitudinal pressure pin 210, and described The less turn section of straight long section length connected vertically, and the turn section of two horizontal pressure pins corresponds.The end of turn section First connecting pin 223 is formed, the first laser carving groove is opened in the turn section of L-shaped transverse direction pressure pin 220, horizontal stroke will not be reduced To the intensity of 220 end of pressure pin, difficulty of processing can be also reduced.Moreover, relative to connecting rod 230 directly is connected to horizontal pressure pin 220 end, between connecting rod 230 is connected to two opposite turn sections, connection it is more simple and convenient, connection also more firmly not It is easy to fall off.
Further, described first in the straight long its corresponding turn section of section of at least one horizontal pressure pin 220 Outside card convex 232 is provided between connecting pin 223, and the outside card convex 232 is arranged to triangular structure.By in straight long section Outside card convex 232 is set with turn section, reinforcing rib can be played the role of, improve the intensity of turn section.And by by outside Card convex 232 is arranged to triangular shaped, and the first connecting pin 223 of turn section can be further improved using the stability of triangle The intensity at place.In addition, by setting outside card convex 232, the SIM card or TF card being installed on bracket 200 can also be propped up Support is spacing.
In addition, the intermediate connecting rod 240 of non-conductive material is also associated between two horizontal middle parts of pressure pin 220, it is described The bracket 200 is separated into the first card frame and the second card frame by intermediate connecting rod 240, you can to block respectively in the first card frame and second A SIM card or TF card are placed in frame.Moreover, the intermediate connecting rod 240 that will be connected between two middle parts of metal transverse direction pressure pin 220 When being arranged to non-conductive material, electrostatic leads to the path impedance meeting of the metal clips 300 of SIM card and T cards by intermediate connecting rod 240 Become very big, and by the impedance of metallic shield to ground Comparatively speaking can smaller so that electrostatic mainly walks small this of impedance A path, therefore electrostatic can be walked to avoid baseband chip pin and make damage, you can baseband chip pin is eliminated by ESD damage Possibility.
Moreover, the middle part of the every horizontal pressure pin 220 is both provided with second connection end prominent with respect to extension inwardly 224, the second laser carving groove (not illustrated in figure) is offered in the second connection end 224.And the intermediate connecting rod 240 is set For the plastic cement material of antistatic, 240 both ends of intermediate connecting rod are respectively by dispensing hot pressing connects in two second laser carvings At groove.Similarly, the second laser carving groove is gone out in horizontal 220 middle part laser engraving of pressure pin by laser engraving machine, precision is high, suitable for small-sized device Part is processed, and does not interfere with the intensity at the horizontal middle part of pressure pin 220.In addition, by dispensing heat pressing process, easily by plastic material Between the both ends of connecting rod 240 be connected at two second laser carving grooves, it is possible to achieve be seamlessly connected so that connection is reliable, ensures Bonding strength between intermediate connecting rod 240 and horizontal pressure pin 220.In addition, in the present embodiment, except by intermediate connecting rod 240 Be arranged to outside the plastic cement material of antistatic, may also be configured to other without electric conductivity material (such as ceramic material, or other Nonconducting composite material).
Moreover, by being provided with prominent middle linkage section at the middle part of horizontal pressure pin 220, two horizontal pressure pins 220 Middle linkage section corresponds.Second connection end 224 is arranged on middle linkage section, and the second laser carving groove is opened in transverse direction On middle linkage section in the middle part of pressure pin, the intensity of horizontal pressure pin end will not be reduced, can also reduce difficulty of processing.It is moreover, opposite In the middle part that intermediate connecting rod 240 is directly directly connected in horizontal pressure pin 220, by intermediate connecting rod 240 be connected to two it is opposite Between middle linkage section, connection is more simple and convenient, and connection is also more firmly not easily to fall off.Meanwhile can also prominent centre be utilized to connect Connect section and spacing or support is carried out to the SIM card in the first card frame and the second card frame or TF card.
Further, at least one horizontal middle part of pressure pin 220 is connected with described the second of corresponding middle linkage section Inner side card convex 242 is provided between end 224, and the inner side card convex 242 may be configured as trapezium structure.By in horizontal pressure pin 220 middle parts set inner side card convex 242 with middle linkage section, can play the role of reinforcing rib, improve the intensity of middle linkage section. And by the way that inner side card convex 242 is arranged to trapezium structure, the intensity of middle linkage section can be further improved.In addition, pass through Inner side card convex 242 is set, the SIM card or TF card being installed on carriage inner lateral can also be also supported or spacing.
In addition, two horizontal pressure pins 220 are also both provided with the middle card convex 225 for protruding inwardly and being oppositely arranged, institute Middle card convex 225 is stated between the connecting rod 230 and intermediate connecting rod 240.Card convex 225 is further by the first card among two Frame or the second card frame are split, and form the card frame of smaller, available for the SIM card or TF card for placing smaller, can also put at the same time More multiple SIM card or TF card are put, to meet the needs of more kinds of.
In addition, the inner side of at least one horizontal pressure pin 220 is provided with the support lugn for being used to support SIM card or TF card (not illustrated in figure).By setting support lugn, the SIM card in the card frame that is placed in bracket 200 or TF card can be carried For support, make its placement more stable.
In addition, the present invention also provides a kind of mobile terminal device, including housing body, it is opened in the housing body Card slot, the Kato structure as described above being installed in the card slot.Have and can solve by being installed in mobile terminal device The certainly Kato structure of conventional metals Kato ESD problems, can provide the quality of mobile terminal device, while also without using expensive TVS pipe, reduce the cost of mobile terminal device.In the present embodiment, mobile terminal device can be mobile phone, tablet computer, The equipment that laptop etc. has inserted metal Kato.
Kato structure provided by the invention and mobile terminal device, by being used in the Kato structure that metal material makes The connecting rod (and intermediate connecting rod) that non-conducting material (plastics of such as antistatic) makes, avoids metal tie rods and passes through bullet Piece directly discharges baseband chip and damages baseband chip, can disposably solve the problems, such as the ESD of metal Kato cost free.Phase Reduce the influence of ESD for connecing TVS pipe in conventional art, on the pin by leaning against SIM card and TF card, it is provided by the invention Technical solution significantly reduces cost, also ensures and improve product quality.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously Cannot therefore it be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (9)

1. a kind of Kato structure, it is characterised in that including holding in the palm cap, with the frame-shaped bracket for asking cap to be connected, the bracket is used for Place SIM card or TF card;
The bracket includes the metal longitudinal direction pressure pin that side is connected with the support cap, and two are connected to longitudinal pressure pin two The metal transverse direction pressure pin at end, and the connecting rod for the non-conductive material being connected between two horizontal pressure pin ends;
The every horizontal pressure pin end offers the first laser carving groove, and the connecting rod is arranged to plastic cement material, and the company The both ends of extension bar are respectively by dispensing hot pressing connects at two the first laser carving grooves.
2. Kato structure according to claim 1, it is characterised in that the end of two horizontal pressure pins phase inwardly To the first connecting pin that extension is prominent, the first laser carving groove is opened on first connecting pin.
3. Kato structure according to claim 2, it is characterised in that at least one horizontal pressure pin with it is corresponding described in Outside card convex is provided between first connecting pin, and the outside card convex is arranged to triangular structure.
4. according to the Kato structure described in claim 1-3 any one, it is characterised in that two horizontal pressure pin middle parts Between be also associated with the intermediate connecting rod of non-conductive material, the bracket is separated into the first card frame and the second card by the intermediate connecting rod Frame.
5. Kato structure according to claim 4, it is characterised in that be both provided with the middle part of the every horizontal pressure pin to The prominent second connection end of the opposite extension in inner side, the second connection end offer the second laser carving groove;The intermediate connecting rod is set For plastic cement material, and the intermediate connecting rod both ends are respectively by dispensing hot pressing connects at two the second laser carving grooves.
6. Kato structure according to claim 5, it is characterised in that at least one horizontal pressure pin with it is corresponding described in Inner side card convex is provided between second connection end, and the inner side card convex sets trapezium structure.
7. Kato structure according to claim 4, it is characterised in that two horizontal pressure pins are also both provided with inwardly The prominent middle card convex being oppositely arranged, the middle card convex is between the connecting rod and intermediate connecting rod.
8. Kato structure according to claim 4, it is characterised in that be provided with the inside of at least one horizontal pressure pin It is used to support the support lugn of SIM card or TF card.
A kind of 9. mobile terminal device, it is characterised in that including housing body, the card slot being opened in the housing body, peace Loaded on the Kato structure as described in claim 1-8 any one in the card slot.
CN201610363404.6A 2016-05-26 2016-05-26 Kato structure and mobile terminal device Active CN106027087B (en)

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Application Number Priority Date Filing Date Title
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CN106027087B true CN106027087B (en) 2018-04-17

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111697391B (en) * 2019-03-13 2021-12-28 华为技术有限公司 Card holds in palm structural design and terminal equipment

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CN201266962Y (en) * 2008-09-10 2009-07-01 深圳市长盈精密技术股份有限公司 Shielding holder with SIM card connector
CN202034519U (en) * 2011-03-25 2011-11-09 上海锐鸿通信技术有限公司 Overhead SIM card holder

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CN103078973B (en) * 2012-12-26 2015-06-17 厦门盛华电子科技有限公司 Special-shaped inductive coupling mobile telephone smart card
CN103701964A (en) * 2013-12-30 2014-04-02 上海坤锐电子科技有限公司 SIM card support of iPhone all-card scheme
CN204442439U (en) * 2015-02-06 2015-07-01 维沃移动通信有限公司 A kind of insulation system of metal Kato
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CN201266962Y (en) * 2008-09-10 2009-07-01 深圳市长盈精密技术股份有限公司 Shielding holder with SIM card connector
CN202034519U (en) * 2011-03-25 2011-11-09 上海锐鸿通信技术有限公司 Overhead SIM card holder

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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18

Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd.

Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18

Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd.