CN2710193Y - SIM card connector - Google Patents

Abstract

The utility model relates to a SIM card connector contains a metal casing, an insulator, and a plurality of receipts are arranged conductive terminal and an at least ground terminal in this insulator in. The metal shell and the insulating body can be pivoted in an opening mode or a locking mode. Wherein the side wall of the metal shell is provided with a plurality of clamping parts which can be contacted with the grounding terminal, and two sides of the insulating body are provided with corresponding clamping grooves. The clamping portion can move along with the pivoting state in the clamping groove and is only contacted with the contact portion of the grounding terminal in the locking state. The grounding terminal is provided with a welding part which can be welded to the circuit board, a holding part which extends approximately vertically from one end of the welding part, a connecting part which is approximately vertically bent from the other end of the welding part and extends to the same side of the holding part, and a contact part which extends from the connecting part to the plane of the holding part in an inclined way. The utility model has the advantages of easy and simple to handle, stable performance and effective filtering electromagnetic interference.

Description

Sim card connector

Technical field

The utility model relates to a kind of electronic card coupler, refers in particular to a kind of subscriber identification card (Subscriber Identity Module, SIM card) connector that is applied in information or communication apparatus inside.

Background technology

Along with the development of information technology, personal communication apparatus such as mobile phone obtain application more and more widely.And as the SIM card of user identity identification, realize and being electrically connected of circuit board by a sim card connector.Correlation technique can be with reference to No. the 89209515th, Taiwan number of patent application, and it discloses a kind of sim card connector commonly used.As shown in Figure 1, this connector 5 comprises a loam cake 50 and contact module 52, and wherein loam cake 50 comprises metal cap body 500 and is located at the clamping limb 501 of metal cap body 500 both sides.Clamping limb 501 1 ends are provided with a buckle 502, and the relative other end then is provided with a drive-connecting shaft 503.Contact module 52 comprises an insulating body 520 and plurality of conductive terminals 521, be provided with locking part 522 with loam cake 50 buckles from insulation body 520 1 ends, the opposite end then is provided with the pivoted hole (not icon) that matches with clamping limb 501 drive-connecting shafts 503, so after SIM card (not icon) is plugged to loam cake 50, promote loam cake 50 and make buckle 502 be fastened in the locking part 522 of contact module 52, thereby realize firm butt joint the between SIM card and circuit board (not icon).

This sim card connector 5 cooperates with the simple of locking part 522 by buckle 502, realizes holding of loam cake 50 and contact module 52.Because the mode that holds is simple and the power that holds is less, influence down that this loam cake is easy to disengaging with contact module extraneous factor such as being collided, cause SIM card to contact with the bad of terminal.Also there is a bigger shortcoming in such sim card connector on the other hand, promptly can not effectively filtering electromagnetic interference, and obviously be difficult to satisfy the demand of high communication quality in today that communication environment goes from bad to worse, thereby need improvement badly.

Summary of the invention

The purpose of this utility model just is to provide a kind of sim card connector, and it can make stable being electrically connected between SIM card and circuit; And can effectively filtering electromagnetic interference, provide necessary assurance for realizing high communication quality.

For achieving the above object, the utility model sim card connector adopts following technical scheme, and it comprises: a metal shell, one and the insulating body that articulates of this metal shell, and some conducting terminal and at least one earth terminals that place in this insulating body.Being articulated with of this metal shell and insulating body opened and the locking two states.

The two side that this metal shell has a loam cake and extends from this loam cake approximate vertical, formation can be for the receiving space of SIM card plant.Approximate vertical is extended with at least one Access Division on the two side.

The insulating body both sides be provided with metal shell on the corresponding buckling groove in Access Division, can be contained in different positions with the pivot joint state is different within it for the Access Division.

Earth terminal is contained in the insulating body both sides, have holding parts that a weld part that can be soldered to circuit board, extends from this weld part one end approximate vertical, this weld part other end approximate vertical bending and extend the connecting portion of holding parts homonymy certainly, and the contact site that slightly extends to holding parts place plane inclination from connecting portion.The free end of holding parts is formed with a pair of groove, and both sides have protruded out the interference part, and the earth terminal accepting groove sidewall of can conflicting produces interferes, thereby earth terminal is immobilizated in the insulating body.This earth terminal can contact with metal shell under lock-out state.

The beneficial effect of the utility model sim card connector is: humanization designing, and simple to operation.Under different pivot joint modes, the stable insulating body that is sticked in of metal shell can both be convenient to transportation on the one hand, can produce good being electrically connected on the other hand.The utility model simultaneously can effectively filtering electromagnetic interference, for high communication quality provides necessary guarantee.

Description of drawings

Fig. 1 is the stereogram of an existing sim card connector;

Fig. 2 is the stereogram of the utility model sim card connector one preferred embodiment;

Fig. 3 is the stereogram of the conducting terminal of sim card connector shown in Figure 2;

Fig. 4 a is the vertical view of sim card connector shown in Figure 2 when open state;

Fig. 4 b is the profile along AA ' line intercepting among Fig. 4 a;

Fig. 5 is that metal shell is amounted to stereogram when being covered in insulating body when open state;

Stereogram when Fig. 6 is the lock-out state sim card connector;

The number in the figure explanation:

1 sim card connector	10 housings
		101 insertion ends	102 pivot ends
11 loam cakes	111 through holes
		112 shell fragments	113 bent sheet
114 butting sections
		12 sidewalls	121 articulated sections
122 pivots	123 Access Divisions
		1230 chamferings	124 holding divisions
13 receiving spaces
		20 insulating bodies	201 upper surfaces
202 lower surfaces
		21 arms
211 earth terminal accepting grooves	212 pin joint seats
		213 pivoted holes	The free pivoted hole of 213a
213b locks pivoted hole	The 213c boss
		214 buckling grooves	214a first buckling groove
214b second buckling groove	2140 recesses
		215 fixing slots	215a first fixing slot
215b second fixing slot	The 215c projection
		22 transverse parts	221 conducting terminal accepting grooves

30 conducting terminals	40 earth terminals
		41 weld parts	42 holding parts
421 grooves	422 interference parts
		43 connecting portions	44 contact sites

Embodiment

For ease of better understanding the utility model, existing preferred to of the present utility model one in conjunction with the accompanying drawings

Embodiment is described in detail as follows:

As shown in Figure 2, the utility model sim card connector 1 comprises a metal shell 10, an insulating body 20 that can articulate with this metal shell 10, and places plurality of conductive terminals 30 and earth terminal 40 in this insulating body 20.

This metal shell 10 comprises a loam cake 11 and from the two side 12 that these loam cake 11 both sides approximate vertical protrude out, can supply a SIM card (not icon) to be inserted to pivot end 102 by insertion end 101, and be contained in the receiving space 13 of this loam cake 11 and sidewall 12 formations.

Be penetrated with some circles or similar oval-shaped through hole 111 on this loam cake 11.Loam cake 11 about center are extended with two shell fragments 112 to pivot end 102, and its pivot end 102 is extended with two bent sheet 113 near two side 12 place's approximate vertical, and wherein a bent sheet 113 inboard omiting have a L shaped butting section 114 to receiving space 13 diagonally extendings.When SIM card is inserted receiving space 13, slip over two shell fragments 112 through pushing and prop up, thereby but assisting users is inserted to the tram with SIM card for butting section 114.The pushing of two shell fragments 112 can make SIM card keep the location, can not influence and conducting terminal 30 stability in contact because of arbitrarily moving.

Two side 12 is respectively equipped with an articulated section 121 at pivot end 102, and these articulated section 121 terminal central authorities protrude out a pivot 122 (please in conjunction with Fig. 4 b, 5b).Protrude out three Access Divisions 123 with loam cake 11 plane almost parallels from insertion end 101 to pivot end 102 is equidistant approximately, the free end of this Access Division 123 is formed with a chamfering 1230 near insertion end 101 sides.Near a middle part being arranged between two pairs of Access Divisions 123 of insertion end 101 from the holding division 124 that caves in outside to inside.

Insulating body 20 roughly is H shape, and wherein respectively there is a pair of earth terminal accepting groove 211 position of H shape two arms 21 symmetries, is used to accommodate earth terminal 40; And the transverse part 22 of H shape is provided with plurality of conductive terminals accepting groove 221, is used to accommodate corresponding conducting terminal 30.Two arms, 21 1 ends are pin joint seat 212, which is provided with two pivoted holes 213 that are communicated with, and wherein that close end is free pivoted hole 213a, and another then is locking pivoted hole 213b (please in conjunction with Fig. 4 b, 5b).Protruded out two symmetrical boss 213c on the sidewall of two pivoted holes, 213 connections place, the space between the boss 213c can be crossed boss 213c and shifts one's position 213 of two pivoted holes for the pivot 122 of the articulated section 121 of metal shell 10 under user's promotion.For corresponding with the Access Division 123 on the metal shell sidewall 12, two arms 21 are provided with three pairs of buckling grooves 214.Each buckling groove 214 is irregular polygon, wherein from arm 21 lateral sunken insides darker be the first buckling groove 214a, and relatively depression more shallow be the second buckling groove 214b.The first buckling groove 214a slightly caves inward with the cell wall portion that the second buckling groove 214b is connected, and forms the recess 2140 that cooperates with Access Division 123 chamferings.And be provided with a fixing slot 215 between two buckling grooves 214 of holding division 124 corresponding sections, this fixing slot 215 caves on two arms 21 the first fixing slot 215a and the second fixing slot 215b, is intercepted by a projection 215c between two grooves.To upper surface 201 certain depth that only caves in, and the second fixing slot 215b is a groove to this first fixing slot 215a, is through to upper surface 201 from lower surface 202 from body 20 lower surfaces 202 that insulate.

As shown in Figure 3, earth terminal 40 is a bending sheet metal, have holding parts 42 that a weld part 41 that can be soldered to circuit board (not icon), extends from these weld part 41 1 end approximate vertical, this weld part 41 other end approximate vertical bending and extend the connecting portion 43 of holding parts 42 homonymies certainly, and the contact site 44 that extends from the bending of connecting portion 43 approximate vertical.The free end of holding parts 42 is formed with a pair of groove 421, and both sides have protruded out interference part 422, can conflict earth terminal accepting groove 211 sidewalls and produces interference, thereby earth terminal 40 is immobilizated on the insulating body 20.

Metal shell 10 can be opened and lock dual mode with insulating body 20 and articulate.Shown in Fig. 2,4a, 4b, metal shell 10 can rotate freely with respect to insulating body 20 when open state.Please in conjunction with Fig. 5, metal shell 10 is threaded to covering insulating body 20 positions, at this moment, the pivot 122 of the articulated section 121 of metal shell 10 is accommodated in the free pivoted hole 213a of insulating body 20, and Access Division 123 is positioned at the first buckling groove 214a.Slightly the application of force is pressed into holding division 124 among the first fixing slot 215a, can prevent that metal shell 10 and insulating body 20 break away from.As can be seen from the figure, no matter metal shell 10 is opened with insulating body 20 or is amounted under open state, and earth terminal 40 does not all contact with metal shell 10.

As shown in Figure 6, the boss 213c that the application of force makes the pivot 122 of articulated section 121 cross 213 of two pivoted holes slips into locking pivoted hole 213b, and holding division 124 is crossed projection 215c and entered among the second fixing slot 215b.This moment, Access Division 123 moved to the second buckling groove 214b (can with reference to other correlation diagrams) by cooperating smoothly by the first buckling groove 214a of its chamfering 1230 and buckling groove 214 wall upper recess 2140, wherein the contact site 44 of corresponding earth terminal 40 contacting metal housings two walls 12 close 123 places, Access Division respectively.By the tight conflict of the Access Division 123 and the second buckling groove 214b, metal shell 10 gets final product snap lock in insulating body 20, and both can not throw off.

Be actually and be convenient to transport common need and metal shell is threaded to insulating body amounts to the position.Because when locking, contact site was to contact in the horizontal direction with metal shell, the active force of the vertical direction of the metal shell coplanarity that can not exert an influence, thereby insulating body and metal shell can lock and can not influence the performance of connector at any time.Therefore the utility model also can be removed the design (promptly remove holding division on the metal shell and reach fixing slot on the insulating body corresponding with it) of metal shell and insulating body engaging under open state, thereby makes whole sim card connector structure more simple.

Technology contents of the present utility model and technical characterstic disclose as above, yet those of ordinary skill in the art still may be based on teaching of the present utility model and announcements and done all replacement and modifications that does not deviate from the utility model spirit.Therefore, protection range of the present utility model should be not limited to the content that embodiment discloses, and should comprise various do not deviate from replacement of the present invention and modifications, and is contained by the present patent application claim.

Claims (5)

1. subscriber identification card connector has a metal shell, one and the insulating body that articulates of this metal shell, and some conducting terminals that are arranged at this insulating body; Described metal shell and insulating body can have open and two kinds of pivot joint states of locking, two walls that metal shell has a loam cake and protrudes out from this loam cake both sides approximate vertical; It is characterized in that described subscriber identification card connector also comprises at least one earth terminal, earth terminal is positioned at the insulating body side, when metal shell and insulating body were in the lock state, earth terminal and metal shell were reached electrical the contact being parallel to the loam cake direction.

2. subscriber identification card connector as claimed in claim 1, it is characterized in that described earth terminal has a weld part that can be soldered to circuit board, the holding parts that extends from this weld part approximate vertical, this weld part other end approximate vertical bending and extend the connecting portion of holding parts homonymy certainly, and the contact site that slightly extends from this connecting portion to holding parts place plane inclination.

3. subscriber identification card connector as claimed in claim 1, two walls that it is characterized in that described metal shell are provided with the Access Division, described insulating body both sides are provided with corresponding buckling groove, and the position of this Access Division in this buckling groove is different and different with the pivot joint state.

4. subscriber identification card connector as claimed in claim 1 is characterized in that described metal shell sidewall can contact with earth terminal under lock-out state.

5. subscriber identification card connector as claimed in claim 2 is characterized in that the free end of described holding parts is provided with at least one groove, and its two ends have protruded out the interference part.

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