CN202363651U

CN202363651U - Card connector

Info

Publication number: CN202363651U
Application number: CN201120507172XU
Authority: CN
Inventors: 谭林红
Original assignee: DONGGUAN KUNJIA ELECTRONICS Co Ltd
Current assignee: DONGGUAN KUNJIA ELECTRONICS Co Ltd
Priority date: 2011-12-08
Filing date: 2011-12-08
Publication date: 2012-08-01
Anticipated expiration: 2021-12-08

Abstract

The utility model discloses a card connector which comprises an insulating base and a plurality of terminals installed in the insulating base, wherein a plurality of terminal grooves are arranged on the insulating base at intervals; an insulating wall is formed between two adjacent terminal grooves; each terminal comprises an elastic contact part, a holding part and a welding part; tops of two adjacent insulating walls extend oppositely to form blocking tables; the blocking tables are positioned at the same height; a T-shaped limiting part extends from corresponding elastic contact part in an integrating way; and the limiting parts are hung below the blocking tables. For the card connector provided by the utility model, the blocking tables are positioned at the same height, and the limiting parts are hung below the blocking tables, so that the limiting parts can be limited on the same plane, further, the regularity and the smoothness of the elastic contact parts can be guaranteed, the elastic contact parts can be better butted with butted cards, and the effects of stable contact and smooth data transmission are achieved, thus the defect of bad contact in the prior art is overcome.

Description

Card connector

Technical field

The utility model relates to the field of connectors technology, refers in particular to a kind of card connector.

Background technology

There are the mobile radio terminal some kinds of methods for using of (comprising global system for mobile communications GSM) at present; It is time division multiplexing method of attachment, time division multiple access (TDMA) method, code division multiple access (CDMA) or the like; Especially, the GSM that uses in the whole world adopts Subscriber Identity Module (SIM) card to be used to discern the user of mobile radio terminal basically.

SIM refers to build card in the integrated circuit (IC), and it comprises user's for example information such as personal data, telephone number, networking relation, and size is about 2cm*1cm*1mm.If SIM inserts certain mobile phone as the personal data identification facility, this mobile phone can be used this telephone number registration and used by the user of correspondence.Have outstanding like this convenience, ease of use and fail safe, SIM uses in ecommerce practically.

Will SIM be carried out information interaction with corresponding mobile phone, unavoidably use a kind of card connector, common card connector includes insulating base and is inlaid in the terminal on the insulating base with several.These terminals have elastic contact part, holding parts and weld part, and this weld part internal circuit direct and mobile phone welds together, and elastic contact part then exposes the surface at insulating base, are used for being connected with the SIM conflict, to realize the transmission exchange of data.Because the quantity of terminal generally has six; With the SIM butt time; This traditional card connector is difficult to make the elastic contact part of each terminal all to be positioned on the plane; Cause the elastic contact part of some terminals can be against on the SIM chip, the elastic contact part of other terminals then can not contact with the SIM chip, and the phenomenon of loose contact often has generation.

The utility model content

In view of this; The utility model is to the disappearance of prior art existence, and its main purpose provides a kind of card connector, and the elastic contact part of its each terminal can be positioned at sustained height; Join to conflict with the card that docks better, thereby overcome the deficiency of prior art loose contact.

For realizing above-mentioned purpose, the utility model adopts following technical scheme:

A kind of card connector comprises insulating base and is installed in the several terminals in the insulating base, is provided with to spacing the several terminals groove on this insulating base; Be formed with divider wall between the two abutting end pilot trench; Each terminal comprises elastic contact part, holding parts and the weld part that connects successively, and extending on each divider wall has the platform of stopping, stops that respectively platform all is positioned at sustained height; One is extended with limiting section on each elastic contact part, and this limiting section is suspended in and stops the platform below.

Preferably, said stop platform be from the top front end of two adjacent divider walls in opposite directions one extend, said limiting section is a T font structure.

Preferably, both sides, the bottom surface extended bed hedgehopping of the one portion of said insulating base.

Preferably; Second containing cavity that said each terminal groove includes first containing cavity and extends to form in insulating base from the continuation of the end of first containing cavity; The width of this first containing cavity is bigger than second containing cavity; And this first containing cavity communicates with the end face of insulating base, and second containing cavity communicates with the bottom surface of insulating base; The elastic contact part of said each terminal is exposed to the insulating base surface from the first vacant chamber; Holding parts is that the tail end inverse bending of own elasticity contact site forms; This holding parts includes bending part and interference part; This interference part and aforementioned elastic contact part are installed in first containing cavity in the lump, and bending part is embedded in second containing cavity; Weld part is affixed on the wall of bed hedgehopping portion.

Preferably, the both sides of said interference part are equipped with hangnail, and this hangnail is stung tight on the plastic cement of the first containing cavity inwall.

Preferably, the left and right sides of wall is raised with locating piece in opposite directions within said first containing cavity, is formed with draw-in groove between the bottom surface of this two locating piece and terminal groove, and the both sides of aforementioned interference part are embedded in this draw-in groove.

Preferably, offer a breach on the said interference part, the metal in the breach is turned up to the direction of elastic contact part and is formed the warping part, and when the chip conflict of elastic contact part and the card that docks, elastic contact part presses down, and this warping part is with the elastic contact part jack-up that makes progress.

Preferably, the bottom of said bed hedgehopping portion is concaved with stopper slot over against each terminal groove, is received in the stopper slot of bed hedgehopping portion bottom surface behind the afterbody reflexed of said each weld part.

The utility model compared with prior art has tangible advantage and beneficial effect, particularly, can be known by technique scheme; Through the extended limiting section of one on elastic contact part, and handicapping retaining platform on the divider wall between the two abutting end pilot trench accordingly, owing to respectively stop that platform is positioned at sustained height; The below that limiting section is suspended in stop platform; Can also limit each limiting section at grade, thereby guarantee the neatly smooth of elastic contact part, join to conflict with the card that docks better; Reach contact stabilization, the unobstructed effect of transfer of data, thereby overcome the deficiency of prior art loose contact.

Be architectural feature and the effect of more clearly setting forth the utility model, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.

Description of drawings

Fig. 1 is the assembling schematic perspective view of the embodiment of the utility model;

Fig. 2 is the decomposition texture sketch map of the embodiment of the utility model;

Fig. 3 is the profile of the embodiment of the utility model;

Fig. 4 is another visual angle figure of Fig. 3;

Fig. 5 is the terminal sketch map of the embodiment of the utility model;

Fig. 6 is another visual angle figure of Fig. 5.

The accompanying drawing identifier declaration:

10, insulating base 11, bed hedgehopping portion

111, stopper slot 12, terminal groove

121, first containing cavity 122, second containing cavity

13, divider wall 14, stop platform

15, locating piece 16, draw-in groove

20, terminal 21, elastic contact part

211, contact 212, limiting section

22, holding parts 221, interference part

222, bending part 223, hangnail

224, breach 225, warping part

23, weld part.

Embodiment

Please with reference to shown in Figure 1, the concrete structure that it has demonstrated the preferred embodiment of the utility model includes insulating base 10 and is mounted in the several terminals 20 in the insulating base 10.

Wherein, to shown in Figure 4, this insulating base 10 is processed the extended bed hedgehopping of the two bottom sides one portion 11 of this insulating base 10 by plastic material like Fig. 2.This insulating base 10 is provided with several terminals groove 12, is formed with divider wall 13 between two adjacent terminal grooves 12, and the end face of this two phase neighbours divider wall 13 extends in opposite directions has the platform of stopping 14.Each terminal groove 12 all extends lengthwise into insulating base 10 inner formation from the sidewall of insulating base 10; In the present embodiment; Each terminal groove 12 has included first containing cavity 121 and second containing cavity 122, and the width of this first containing cavity 121 is bigger than second containing cavity 122, and this first containing cavity 121 communicates with the end face of insulating base 10; Second containing cavity 122 communicates with the bottom surface of insulating base 10, and this second containing cavity 122 is to continue in insulating base 10, to extend to form from the end of first containing cavity 121.In addition, going back lateral projection on the and arranged on left and right sides of the inwall of first containing cavity 121 of this terminal groove 12 has locating piece 15, is formed with draw-in groove 16 between the bottom surface of this two locating piece 15 and terminal groove 12.The bottom of said bed hedgehopping portion 11 is concaved with stopper slot 111 over against each terminal groove 12, is used for the weld part 23 of spacing terminal 20.

In conjunction with Fig. 5 and Fig. 6; Said each terminal 20 all is to be processed by conductivity good metal material; It comprises elastic contact part 21, holding parts 22 and the weld part 23 that connects successively, and the head end of this elastic contact part 21 is raised with a contact 211, is used for joining with the chip conflict of the card that docks (figure does not show); The front end of this contact 211 also one extends the limiting section 212 that a T font is arranged; The two ends of the limiting section 212 of this T font are suspended from that divider wall 13 tops of first containing cavity, 121 both sides form stops platform 14 belows, thereby when the elastic contact part 21 of each terminal 20 is depressed after, as if unclamping card; Stop that respectively platform 14 can be limited in the limiting section 212 of T font on the same horizontal plane, so that each contact 211 is positioned at sustained height.

The holding parts 22 of terminal 20 is that the tail end inverse bending of own elasticity contact site 21 forms; This holding parts 22 includes interference part 221 and bending part 222; This interference part 221 is installed in first containing cavity 121 with aforementioned elastic contact part 21 in the lump, and bending part 222 is embedded in second containing cavity 122.Wherein, the left and right sides of this interference part 221 is equipped with hangnail 223, those hangnails 223 can with the plastic cement interference of first containing cavity, 121 inwalls, in case the coming off and rock of not-go-end 20; And the center of interference part 221 offers a breach 224; Metal in the breach 224 is turned up to the direction of elastic contact part 21 and is formed warping part 225; When the chip of contact 211 and the card that docks was conflicted, elastic contact part 21 pressed down, and this warping part 225 can be with elastic contact part 21 jack-up upwards.

The weld part 23 of terminal 20 is the tail end inverse bending formation from holding parts 22, and this weld part 23 is pasting the sidewall of bed hedgehopping portion 11, is received in after its afterbody bending in the stopper slot 111 of bed hedgehopping portion 11 bottom surfaces.

During assembling; Make each terminal 20 aim at corresponding terminal groove 12; Be inserted into first containing cavity 121 and second containing cavity 122 from the outer of terminal groove 12; This moment, elastic contact part 21 all was positioned at first containing cavity 121 with interference part 221, and wherein the upper surface at insulating base 10 is exposed in the contact 211 of elastic contact part 21, and the limiting section 212 of T word is suspended from the below that stops platform 14; Interference part 221 is stuck in the draw-in groove 16 of first containing cavity, 121 bottoms, its hangnail 223 sting tight first containing cavity, 121 walls plastic cement; Bending part 222 then is embedded in second containing cavity 122, is clamped on the inwall of second containing cavity 122; Weld part 23 is pasting the wall of bed hedgehopping portion 11, and the tail end of its reflexed closes in the stopper slot 111 of bed hedgehopping portion 11 bottoms.

In sum, the design focal point of the utility model is that it mainly is through the extended limiting section of one on elastic contact part; And handicapping retaining platform on the divider wall between the two abutting end pilot trench accordingly; Owing to respectively stop that platform is positioned at sustained height, the below that limiting section is suspended in stop platform can also be limited each limiting section at grade; Thereby guaranteed the neatly smooth of elastic contact part; Join to conflict with the card that docks better, reach contact stabilization, the unobstructed effect of transfer of data, thereby overcome the deficiency of prior art loose contact.

The above; It only is the preferred embodiment of the utility model; Be not that the technical scope of the utility model is done any restriction; So every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any trickle modification, equivalent variations and modification that above embodiment did.

Claims

1. a card connector comprises insulating base and is installed in the several terminals in the insulating base, is provided with to spacing the several terminals groove on this insulating base; Be formed with divider wall between the two abutting end pilot trench; Each terminal comprises elastic contact part, holding parts and the weld part that connects successively, and it is characterized in that: extending on each divider wall has the platform of stopping, stops that respectively platform all is positioned at sustained height; One is extended with limiting section on each elastic contact part, and this limiting section is suspended in and stops the platform below.

2. card connector according to claim 1 is characterized in that: said stop platform be from the top front end of two adjacent divider walls in opposite directions one extend, said limiting section is a T font structure.

3. card connector according to claim 1 is characterized in that: both sides, the bottom surface extended bed hedgehopping of the one portion of said insulating base.

4. card connector according to claim 3; It is characterized in that: second containing cavity that said each terminal groove includes first containing cavity and extends to form in insulating base from the continuation of the end of first containing cavity; The width of this first containing cavity is bigger than second containing cavity; And this first containing cavity communicates with the end face of insulating base, and second containing cavity communicates with the bottom surface of insulating base; The elastic contact part of said each terminal is exposed to the insulating base surface from the first vacant chamber; Holding parts is that the tail end inverse bending of own elasticity contact site forms; This holding parts includes bending part and interference part; This interference part and aforementioned elastic contact part are installed in first containing cavity in the lump, and bending part is embedded in second containing cavity; Weld part is affixed on the wall of bed hedgehopping portion.

5. card connector according to claim 4 is characterized in that: the both sides of said interference part are equipped with hangnail, and this hangnail is stung tight on the plastic cement of the first containing cavity inwall.

6. card connector according to claim 5; It is characterized in that: the left and right sides of wall is raised with locating piece in opposite directions within said first containing cavity; Be formed with draw-in groove between the bottom surface of this two locating piece and terminal groove, the both sides of aforementioned interference part are embedded in this draw-in groove.

7. card connector according to claim 4; It is characterized in that: offer a breach on the said interference part; Metal in the breach is turned up to the direction of elastic contact part and is formed the warping part; When the chip of elastic contact part and the card that docks was conflicted, elastic contact part pressed down, and this warping part is with the elastic contact part jack-up that makes progress.

8. card connector according to claim 4 is characterized in that: the bottom of said bed hedgehopping portion is concaved with stopper slot over against each terminal groove, is received in the stopper slot of bed hedgehopping portion bottom surface behind the afterbody reflexed of said each weld part.