CN2710194Y - 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 conductive terminal and an at least ground terminal of putting in insulator. The metal shell and the insulating body can be pivoted in an opening mode or a locking mode. Wherein the metal casing lateral wall is equipped with a plurality of joint portions, and the insulator both sides are equipped with corresponding joint groove, and joint portion only contacts with ground terminal when locking state. In order to ensure that the metal shell is stably clamped in the insulating body in the open state, the side wall of the metal shell is provided with a clamping part which can be fixedly clamped in a corresponding clamping groove on the insulating body. The grounding terminal has a welding part which can be welded to the circuit board, a holding part which extends approximately vertically from the welding part, a connecting part which extends approximately parallel to the upper part of the welding part from the holding part, and a contact part which extends from the connecting part slightly to the plane of the welding part in an inclined way. The utility model has the advantages of electrical connection is stable, 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, be to 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 too 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 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 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 some Access Divisions and at least one holding division on the two side, and wherein at least one Access Division can contact with earth terminal when lock-out state.

These insulating body both sides be provided with metal shell on the corresponding buckling groove in Access Division, the Access Division can not coexist according to the pivot joint state and has different positions in the buckling groove.Match with holding division, the insulating body both sides are provided with corresponding fixing slot.This fixing slot comprises the projection of first fixing slot, second fixing slot and this first and second fixing slot of obstruct.Wherein to the upper surface certain depth that only caves in, second fixing slot is a groove then to first fixing slot, is through to upper surface from lower surface from the lower surface of the body that insulate.

Earth terminal has a weld part that can be soldered to circuit board, certainly the holding parts that extends of this weld part approximate vertical, this holding parts almost parallel extends the connecting portion of weld part top certainly, and the contact site that slightly extends to weld part 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.

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 guarantee good being electrically connected on the other hand.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 three-dimensional exploded view 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 a is the vertical view of sim card connector shown in Figure 2 when lock-out state;

Fig. 5 b is the profile along BB ' line intercepting among Fig. 5 a;

Fig. 6 is the stereogram of the earth terminal of sim card connector shown in Figure 2.

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.

Please in conjunction with Fig. 3, this metal shell 10 comprises the two side 12 that a loam cake 11 reaches from these loam cake 11 both sides approximate vertical protrude out, can supply a SIM card (not icon) to be inserted to pivot end 102, and be contained in the receiving space 13 of this loam cake 11 and sidewall 12 formations by insertion end 101.

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 each articulated section 121 terminal central authorities protrudes out a pivot 122.Also roughly equidistantly be extended with three Access Divisions 123 with loam cake 11 plane almost parallels on the sidewall 12 in addition, and close insertion end 101 sides of the free end of Access Division 123 are formed with a chamfering 1230 to receiving space 13 1 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.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, respectively are provided with two pivoted holes 213 that are communicated with on it, and wherein that close end is free pivoted hole 213a, and another then is locking pivoted hole 213b.Protruded out two symmetrical boss 213c on the sidewall of both 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 articulated section 121 on the metal shell 10 under user's promotion.By 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, and it comprises that from the first darker buckling groove 214a of arm 21 lateral sunken insides the second more shallow buckling groove 214b relatively caves in.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.Wherein to upper surface 201 certain depth that only caves in, and the second fixing slot 215b is a groove to the first fixing slot 215a, is through to upper surface 201 from lower surface 202 from body 20 lower surfaces 202 that insulate.

Please also refer to Fig. 6, earth terminal 40 is a bending sheet metal, have one can be soldered to holding parts 42 that weld part 41 on the circuit board (not icon), extends from these weld part 41 approximate vertical, these holding parts 42 almost parallels extend the connecting portion 43 of weld part 41 tops certainly, and from bending of connecting portion 43 approximate vertical and the contact site 44 that slightly extends to weld part 41 place plane inclinations.Be formed with a pair of groove 421 on holding parts 42 free ends, both sides have protruded out interference part 422, and earth terminal accepting groove 211 sidewalls of can conflicting produce interferes, 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.As Fig. 2, Fig. 4 a, 4b, metal shell 10 can rotate freely with respect to insulating body 20 when open state, and this moment, earth terminal 40 did not contact with metal shell 10.Under lock-out state, metal shell 10 lockings are fastened on insulating body 20 as Fig. 5 a, 5b, and both can not throw off; The contact site 44 of earth terminal 40 then contacts up and down with Access Division 123, thus the active force of making progress for housing 10.In fact, metal shell 10 is threaded to insulating body 20 amounts to the position, come off for preventing housing 10 and insulating body 20 for ease of transporting common need, can be with metal shell 10 and insulating body 20 lockings.The active force that right earth terminal at this moment 40 makes progress for housing 10 will influence the coplanarity of whole electric connector 1, and then influence the later stage welding quality.

Please join Fig. 2, Fig. 4 a and 4b, under open pivot joint state, metal shell 10 is threaded to and cover 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 contained in 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, and will metal shell 10 and insulating body 20 lockings.

The application of force makes the pivot 122 of articulated section 121 cross the boss 213c of 213 of two pivoted holes and slips into locking pivoted hole 213b (please in conjunction with Fig. 2,3), and holding division 124 is crossed projection 215c and entered among the second fixing slot 215b.As Fig. 5 a, 5b, Access Division 123 cooperating this moment by its chamfering 1230 and buckling groove 214 wall upper recess 2140, smoothly by the first buckling groove 214a move to the second buckling groove 214b and closely against, wherein corresponding two Access Divisions 123 contact with the contact site 44 of earth terminal 40 respectively.By the Access Division 123 and the second buckling groove 214b closely against, and the leaning against of 40 pairs of Access Divisions 123 of earth terminal, metal shell 10 can with insulating body 20 lockings.

The utility model makes metal shell and insulating body need not to lock also can reach the purpose of not throwing off, and not only is convenient to transport and guaranteed the quality of connector.Contacting then of the contact site of Access Division and earth terminal can effectively filtering electromagnetic interference, provides necessary assurance for realizing high communication quality.

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 (7)

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 was being reached electrical the contact with metal shell perpendicular 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 holding parts almost parallel extends the connecting portion of weld part top certainly, and the contact site that slightly extends to weld part place plane inclination from connecting portion.

3. subscriber identification card connector as claimed in claim 1, it is characterized in that described metal shell two walls are provided with the Access Division that can contact with earth terminal, described insulating body both sides are provided with corresponding buckling groove, and this Access Division only can contact with the contact site of earth terminal when lock-out state.

4. subscriber identification card connector as claimed in claim 1 is characterized in that described metal shell sidewall is provided with at least one holding division, and described insulation shell both sides are provided with corresponding fixing slot, and this holding division can be immobilizated in this fixing slot.

5. subscriber identification card connector as claimed in claim 4 is characterized in that described fixing slot comprises the projection of one first fixing slot, one second fixing slot and this first and second fixing slot of obstruct.

6. subscriber identification card connector as claimed in claim 5, it is characterized in that described first fixing slot from the lower surface of the body that insulate to the upper surface certain depth that only caves in, second fixing slot is a groove then, is through to upper surface from lower surface.

7. 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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