CN2563770Y

CN2563770Y - Electric connector

Info

Publication number: CN2563770Y
Application number: CN02242085U
Authority: CN
Inventors: 林东昌
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2002-07-25
Filing date: 2002-07-25
Publication date: 2003-07-30
Anticipated expiration: 2012-07-25

Abstract

The utility model relates to an electric connector which is connected electrically with a circuit board by inserting an electronic card, the electric connector comprises a housing connected electrically on the circuit board, a terminal arranged at the housing, a cover body that can be retractably inserted with the electronic card and can be pivoted and shifted relative to the housing, when the cover body is erected, the electronic card can be inserted into the cover body, the cover body can be pivoted to the position contacted with the shell, and the cover can be slid on the shell for positioning, so that the electronic card is connected electrically with the circuit board.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, be meant especially a kind of for an electronic cards peg graft and with the electric connector of a circuit board transmission electronic signal.

Background technology

With portable electronic product now, as PDA(Personal Digital Assistant), digital camera or notebook computer, owing to stress compact market demands in the design, so aspect the storage of electronic bits of data, it is little there's no one who doesn't or isn't to seek a kind of volume, also can keep the new-type Storage Media of data-integrity to be substituted traditional magnetic Storage Media when low power consumption and no power, therefore be that the standard that the electronic cards of main element becomes the medium that store data on the various portable electronic product then is equipped with the fast flash memory bank, and electronic cards and portable electronic product internal circuit are electrically connected to transmit electric signal in order to reach, requirement on the simultaneously also replaceable different functions such as electronic cards, the electric connector that one power supply subcard is planted all can be set on the general circuit board in electronic product, make electronic cards insert separatably in the electric connector and carry out the transmission of electric signal with the circuit of electronic product.

As Fig. 1, a kind of known electric connector 1 is described, it comprises the housing 11 that an insulating material is made, housing 11 has a body 111 and two parallel fixed arms 112 that keep at a certain distance away and be, two fixed arms 112 then are connected on the opposite end of body 111 at an equidirectional end simultaneously, make and form a plant space 110 between body 111 and two fixed arms 112, plant for an electronic cards 2, wherein, electric connector 1 more includes a plurality of conducting terminals 12, each conducting terminal 12 has a contact site 121 and a weld part 122, each conducting terminal 12 is placed accordingly be positioned in a plurality of terminal slotted eyes 113 set on the body 111, and contact site 121 is arranged in

plant space

110, and 122 of weld parts are given prominence to outside body 111 and in order to electrically connect with a circuit board (figure does not show).In addition, electronic cards 2 has in the form of sheets a body 20, one bottom surface of body 20 is provided with a plurality of electrical contacts 21, when electronic cards 2 combines with electric connector 1, electronic cards 2 can and be subjected to the guiding of two fixed arms 112 and enters in the plant space 110 along the grafting direction of a secured in parallel arm 112 bearing of trends, after electronic cards 2 arrived the location, 21 of the electrical contacts of electronic cards 2 can contact the contact jaw 121 of conducting terminal 12 accordingly and form electric connection, can therefore form conducting with circuit board.

Yet, this kind electronic cards 2 and electric connector 1 relative mode of pegging graft with horizontal direction, because of electronic cards 2 quite long with the distance of electric connector 1 relative friction, be easy to make the electrical contact 21 of electronic cards 2 and contact site 121 generations of conducting terminal 12 to wear and tear, especially when electronic cards 2 is substituted the number of times increase, the wearing and tearing situation will more become to worsening, in case when the electrical contact 21 of electronic cards 2 or the contact site of conducting terminal 12 121 produce the situation of loose contact, will make that electronic cards 2 generation in running is wrong even lose function.

The utility model content

Therefore, main purpose of the present utility model provides a kind of electric connector that can reduce abrasion guaranteeing to shorten the frictional distance relative with electronic cards under the condition that effectively contacts with electronic cards.

So electric connector of the present utility model comprises a housing, a plurality of conducting terminal and a lid, wherein, an end of lid is articulated in a side of housing, and lid can pivot and be positioned at and contact with housing on the housing, and pivot end can be along a first direction displacement.

Electric connector of the present utility model can electrically connect a circuit board and an electronic cards, electronic cards has a body, a plurality of electrical contact that is located at body, an and fixing slot that is positioned at body one side, and this electric connector comprises a housing, a plurality of conducting terminal and a lid.

Housing has a diapire, and two fixed arms that are attached at this diapire two opposite sides respectively, and this housing comprises a plurality of storage tanks, this housing limit a first direction, and one with this first direction not in conplane second direction.

A plurality of conducting terminals are contained in respectively in the storage tank, and the contact site of each conducting terminal protrudes out this diapire, and weld part protrudes out the outer of this housing and this circuit board electric connection.

Lid limits the plant space that subcard plants that can power, itself and housing can pivot and be connected slippingly, lid can be pivoted between the second place of the primary importance of first direction and second direction with respect to housing, and can move to one the 3rd position by primary importance along this first direction.

When lid was positioned at the second place, electronic cards can be plugged in the plant space, and its rear cover body is switched to primary importance, moves to the 3rd position along first direction again, and conducting terminal electrically contacts with electronic cards.

Description of drawings

Other features of the present utility model and advantage can clearly understand in following cooperation DETAILED DESCRIPTION OF THE PREFERRED with reference to the accompanying drawings, in the accompanying drawings:

Fig. 1 is the schematic diagram of a kind of connected state of a known electric subcard and an electric connector;

Fig. 2 is a three-dimensional exploded view of a preferred embodiment of electric connector of the present utility model;

Fig. 3 is a user mode figure of the electric connector of Fig. 2, illustrates that lid is positioned at the second place and the situation of the electronic cards of planting;

Fig. 4 is another user mode figure of the electric connector of Fig. 2, and turns to the situation of primary importance after the explanation lid plant electronic cards;

Fig. 5 is a user mode figure again of the electric connector of Fig. 2, and the explanation lid is moved to the situation of the 3rd position by primary importance;

Fig. 6 is a local user mode figure of the electric connector of Fig. 2, illustrates that the read/write control piece of electronic cards is positioned at only reading location, makes sensing device be the situation of first electrical property state that electrically conducts; And

Fig. 7 is a local user mode figure of the electric connector of Fig. 2, but illustrates that the read/write control piece of electronic cards is positioned at writing position, makes sensing device be the situation of second electrical property state of an electrical not conducting.

Embodiment

One preferred embodiment of electric connector of the present utility model is in order to be connected with a circuit board (figure does not show) and can to plant for an electronic cards.

Consult Fig. 2, electronic cards 3 has a rectangular body 31, and body 31 has a first side wall 34 and second sidewall 36 relative with the first side wall 34.The bottom 32 of body 31 is provided with a plurality of electrical contacts 33.On the first side wall 34 of body 31, be provided with a read/write control piece 35, but read/write control piece 35 can be struck only move between reading location and a writing position one.When read/write control piece 35 is positioned at only reading location, can for one for example electronic product such as notebook computer, hand held PDA(Personal Digital Assistant) read the stored data of this electronic cards 3; And when but this read/write control piece 35 is positioned at writing position, then can read the stored data of electronic cards 3 and/or data is write electronic cards 3.In addition, second sidewall 36 of body 31 more is recessed to form a fixing slot 37.

Electric connector 4 comprises a housing 5 that can contact with circuit board, a plurality ofly is installed on the housing 5 and is installed in sensing device 6 on the housing with conducting terminal 9, that circuit board electrically connects, and a lid 7 that can pivot and be articulated with housing movably.

Housing 5 is rectangular, comprise one long to body 50, it has a front end and a rear end, left and right two opposite ends by body 50 have extended left and right fixed

arm

52,53 respectively forward, the bottom of body and left and right

fixed arm

52,53 is connected by a diapire 51, in the present embodiment, diapire 51 length of extending the forward length of extending forward less than two fixed arms 52,53.In addition, diapire 51 is formed with a upper surface 511 and a lower surface 512.

Diapire 51 is by being formed with a plurality of terminal conduits 513 that are parallel to each other behind the forward direction, and diapire 51 is following surperficial 512 to contact with circuit board.Housing 5 is a first direction between the definition front and back then.

Left and right fixed

arm

52,53 after an end respectively be provided with upwards protruding out one the location projection 54, and contiguous after the left-external side face or the right lateral surface (is to decide on a left side or right on fixed arm) of an end have a linking part respectively, in this example, linking part be adopt a strip and cave inward slip groove 55, in addition, slip more be provided with below the groove 55 one with slip groove 55 identical bearing of trends but length less than the block protuberance 57 that slips groove 55.Left and right fixed arm 52, the 53 left medial surface or the Right Inboard face (is to decide on a left side or right on fixed arm) of cantilever end the preceding has a blocking part respectively, and in this example, blocking part is a clamping groove 56.

In the present embodiment, for ease of installing sensing device 6 (being described in the back), the upper surface of left side fixed arm 52 is arranged with a groove 521 along this its length to downwards, same, at the upper surface of body 50 along the length of this body to also being arranged with a groove 501 downwards, the groove 521 of left fixed arm 52 is connected with the groove 501 of body 50.

Many conducting terminals 9 have an opposite contact site 91 and a weld part 92 and are connected contact site 91 and weld part 92 respectively with an end body 93 respectively, each conducting terminal 9 is arranged on respectively in this terminal conduit 513 accordingly, and produces with the wall of body 93 and terminal conduit 513 and to interfere.When conducting terminal 9 was arranged on respectively in this terminal conduit 513, contact site 91 flexibly protruded out upper surface 511, and 532 front ends by diapire 51 of weld part protrude out forward outside the diapire 51 and electrically connect with circuit board.

Sensing device 6 comprise one be installed in movably the perception part 61, of groove 521 of left fixed arm 52 L shaped with the groove 521 that is arranged in left fixed arm 52 on one side another side be arranged in the groove 501 of body 50 and movably with perception part 61 contacted moving parts 62, and a groove 501 that is arranged in body 50 touches part 63 with moving part 62 contacted pushing away movably.Moving part 62 be arranged in left fixed arm 52 groove 521 for moving arm 621, be arranged in body 50 groove 501 be pusher arm 622, moving arm 621 flexibly contacts with perception part 61.

Lid 7 comprises one and has an opposite internal face 711 and the limiting wall 71 of an outside wall surface 712, and two left and right engaging

arms

72,74 that are attached at limiting wall 71 two opposite sides respectively, limiting wall 71 engages

arm

72,74 and defines a plant space 73 jointly with two, the subcard 3 of can powering is planted downwards by the apical margin of limiting wall 71 drawablely.

Consult Fig. 4 simultaneously, the bottom of proximity restriction wall 71 has and at least onely protrudes out to the spacing rib piece 713 in plant space 73 by internal face 711, is to be the example explanation with two separately spacing rib pieces 713 in this example.Left and right

engaging arm

72,74 has a location division 721,741 and the articulated section 722,742 near the bottom near the top respectively, and location division 721,741 and articulated section the 722, the 742nd, and separately, wherein location division 721,741 is an arcuation.Right in the present embodiment engaging arm 74 has one and engages flexible limit that arm 72 the protrudes out piece 743 of pulling left.When electronic cards 3 is plugged on plant space 73 downwards by the apical margin of limiting wall 71 drawablely, second sidewall 36 of electronic cards 3 is passed limit and is pulled piece 743 to moving away from plant space 73 directions, bottom 32 until spacing rib piece 713 conflict electronic cards 3, simultaneously, limit fixing slot 37 that piece 743 and electronic cards 3 be positioned at second sidewall 36 clip mutually of pulling is with restriction localized electron card 3 also.

Consult Fig. 2 simultaneously, 3, a left side, right

engaging arm

72,74 articulated section 722,742 bottoms have a pivot joint bolt 7221 that protrudes out to plant space 73 opposite to each other respectively, 7421, this articulates

bolt

7221,7421 can with housing 5 the groove 55 that slips be articulated movably, as Fig. 3, when being, lid 7 is close to vertical and when forming the state of an angle with housing 5, the direction of extending along lid 7 may be defined as a second direction, make second direction and first direction not be positioned at same plane and have an angle to exist, thus lid 7 relatively housing 5 be positioned at primary importance and on the first direction one and be positioned between the second place on the second direction and pivot.And as Fig. 4, when lid 7 was positioned at primary importance, 7 of lids covered on the housing 5.When lid 7 is positioned at the second place, two of lid 7

articulates bolt

7221,7421 lay respectively at the corresponding front end that slips groove 55, and contiguous two pivot

joint bolts

7221,7421 two articulated sections 722,742 material can be subjected to replacing of block protuberance 57 leading edges, make two to articulate

bolt

7221,7421 remain on the corresponding front position place of slipping groove 55, and contiguous simultaneously two articulated sections 722,742 outside wall surface 712 partly material is also conflicted at two fixed arms 52 of housing 5, locating convex block 54 on 53, make the upset angle of lid 7 relative housings 5 be restricted, make the angle of first direction and second direction remain on certain angle, it in this example smaller kenel at 90 degree, lid 7 then can firmly rest on the locating convex block 54, is beneficial to the plant of electronic cards 3.For another Fig. 5, when lid 7 is positioned at primary importance, can between primary importance and one the 3rd position, move along first direction.

The top of the location division 721,741 of left and right

engaging arm

72,74 forms one respectively mutually privately to the

spacer

7211,7411 that protrudes out away from plant space 73 directions.When lid 7 by primary importance (as Fig. 5) along first direction when the 3rd position (as Fig. 6) is mobile,

spacer

7211,7411 stretches in the clamping groove 56 of 5 liang of fixed arms of

housing

52,53 accordingly, lid 7 is positioned on the housing 5, can prevents lid 7 whipping that gets loose.

As Fig. 2 and shown in Figure 3, when electric connector 4 actual uses, earlier lid 7 relative housings 5 are switched to the second place that is positioned on the second direction, electronic cards 3 are planted go into to plant in the space 73, the spacing rib piece 713 and the limit of lid 7 piece 743 of pulling is understood electronic cards 3 is positioned in the lid 7; Again lid 7 is switched to the primary importance place that is positioned on the first direction by the second place that is positioned on the second direction, at this moment, the electrical contact 33 of electronic cards 3 is not in contact with one another with the corresponding contact site of leading a terminal 9 91 as yet.

Again as shown in Figure 5, now moves to three position by primary importance along first direction with lid 7, at this moment, the electrical contact 33 of electronic cards 3 promptly is in contact with one another to form with the corresponding contact site of leading a terminal 9 91 and electrically connects,

spacer

7211,7411 stretches in the clamping groove 5211 of housing 5 fixed arms 52 accordingly simultaneously, moves with restriction lid 7.

Consult Fig. 6,7 more simultaneously, when the lid 7 that is plugged with electronic cards 3 is positioned at the 3rd position, the pusher arm 622 of moving part 62 flexibly pushes away and touches part 63, make to push away the bottom 32 of touching part 63 elasticity conflict electronic cards 3, thereby a plurality of electrical contacts 33 of electronic cards 3 are electrically connected mutually with the contact site 531 of this conducting terminal 9 accordingly; Simultaneously, moving part 62 is that the read/write control piece 35 with this electronic cards 3 connects, and make when read/write control piece 35 when electronic cards 3 is positioned at only reading location, the moving arm 621 of moving part 62 is flexibly promoted and conflict perception part 61 by read/write control piece 35, make sensing device 6 be first electrical property state that electrically conducts, the user then can learn that electronic cards is read states only and reads the data that electronic cards stores by electrical property state; When but the read/write control piece 35 of electronic cards 3 is positioned at writing position, read/write control piece 35 relative moving arms 621 away from moving part 62, make moving arm 621 elasticity relatively away from and do not contact perception part 61, make sensing device 6 be second electrical property state of an electrical not conducting, the user can learn thus that then electronic cards is the state of can writing, and can directly read and/or revise the data that electronic cards stores.

In addition as shown in Figures 2 and 3, electric connector 4 more comprises at least one fixture 8, be to be plugged on a corresponding left side respectively in this example with two, right fixed

arm

52,53 front ends belows near the fixture 8 of circuit board as an illustration, fixture 8 is welded on the circuit board, use further assist location housing 5, in addition, fixture 8 can be made by metal, and the grounded circuit of connecting circuit plate, and two location divisions 721 of lid 7, on 741 then respectively correspondence be provided with an

elastic contact part

7212,7412, make when electronic cards 3 plant location, and when lid 7 is positioned the 3rd position, two

elastic contact parts

7212,7412 will electrically contact with fixture 8 accordingly, make lid 7 form ground connection by this, and the effect of the electromagnetic effect that produces when eliminating electronic cards 3 runnings arranged, because the form of fixture 8 and of a great variety, the sheet metal that this example only is a L type with a cross section is the example explanation, does not promptly add to give unnecessary details at this.

In addition, because the moving arm 621 of moving part 62 can be given prominence in housing 5 the first side wall 34 in order to butt electronic cards 3, when electronic cards 3 turn to primary importance with lid 7 by the second place, the position of moving arm 621 can hinder two fixed arms 52 that electronic cards 3 enters

housing

5,53 cause, on lid 7, further be provided with one and be the push and block portion 75 of standing shape away from internal face 711 near the position of articulated section 722, at lid 7 by the second place during near primary importance, push and block portion 75 can outwards push moving arm 621 open earlier, make electronic cards 3 enter two fixed

arms

52,53, and lid 7 is when moving to the 3rd position, 75 in push and block portion and moving arm 621 break away from, but make the first side wall 34 of moving arm 621 butt electronic cards 3.

Conclude above-mentioned, electric connector 4 of the present utility model, be with behind the lid 7 power supply subcards 3 plant location, rotate an angle with near housing 5 with lid 7 relative to housing 5 again, and then utilize and to move horizontally and drive electronic cards 3 and be positioned in the housing 5, so that electronic cards 3 correctly electrically connects this conducting terminal 9, the contact site 91 that so will significantly shorten conducting terminal 9 and the electrical contact 33 of electronic cards 3 be the distance of mutual friction mutually, not but still possess the phase mutual friction and guarantee to strike off surperficial dirt outside the reliability of electrically contact, the more important thing is and reduce the probability that wearing and tearing take place, can improve the long situation of conducting terminal frictional distance of the electrical contact and the electric connector of known electric subcard.

The above only is a preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, promptly the simple equivalent of being done according to the utility model claim and utility model description generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims

1. electric connector electrically connects a circuit board and an electronic cards by this electric connector, and this electronic cards has a body, a plurality of electrical contact that is located at this body, and a fixing slot that is located at a side of this body, and this electric connector comprises:

One housing has a diapire, and two fixed arms that are attached at this diapire two opposite sides respectively, and this housing comprises a plurality of storage tanks that run through this housing, and this housing limits a first direction, and one with this first direction not in conplane second direction;

A plurality of conducting terminals that have a contact site and a weld part respectively, respectively this conducting terminal is separately positioned in the storage tank, the contact site of each conducting terminal protrudes out on the surface of described diapire, and weld part protrudes out, and this housing is outer electrically to be contacted with described circuit board; And

One lid that can pivot and be connected slippingly with described housing, this lid limits one can be for the plant space of described electronic cards plant, this lid can be relatively pivots between a second place of a primary importance of this first direction and this second direction at this housing, and can move to one the 3rd position by this primary importance along this first direction;

When described lid was positioned at this second place, described electronic cards can be plugged in this plant space, and this lid is switched to this primary importance and when this first direction moved to the 3rd position, described conducting terminal electrically contacted with this electronic cards.

2. electric connector as claimed in claim 1 is characterized in that described electric connector also comprises at least one fixture, can be connected and fixed described housing accordingly on described circuit board.

3. electric connector as claimed in claim 2, it is characterized in that, described fixture is the grounded circuit that is electrically connected at described circuit board, on the location division of lid then correspondence be provided with an elastic contact part, when lid is positioned at described the 3rd position, described elastic contact part then electrically contacts with described fixture accordingly, makes lid form the ground connection effect.

4. electric connector as claimed in claim 1, it is characterized in that, a described lid engaging arm wherein is to have one to another limit of protruding out of engaging arm piece of pulling, when making described electronic cards be plugged on described plant space, to press the mode of compeling described limit is pulled piece to passing away from described plant direction in space, and when described electronic cards is inserted when stretching into certain distance, described limit pull piece can with the fixing slot of second sidewall of described electronic cards clip mutually, the position of described relatively lid when being inserted in described plant space with restriction and fixing described electronic cards.

5. electric connector as claimed in claim 1, it is characterized in that, the limiting wall of described lid also comprises at least one spacing rib piece that protrudes out to described plant space, the position of described relatively lid when described spacing rib piece can limit described electronic cards and is inserted in described plant space.

6. electric connector as claimed in claim 1, it is characterized in that, two fixed arms of described housing have an opposite linking part and a blocking part respectively, and two engaging arms of described lid have an opposite location division and an articulated section respectively, described linking part can pivot and be connected slippingly with described articulated section respectively accordingly, described lid can be pivoted in the described primary importance and the described second place by described relatively housing, and when described lid along described first direction by described primary importance when move described the 3rd position, described blocking part matches with described location division respectively accordingly, limits the described relatively housing of described lid and is positioned described the 3rd position.

7. as claim 1 or 6 described electric connectors, it is characterized in that, two fixed arms of described housing have an opposite linking part and a blocking part respectively, and two engaging arms of described lid have an opposite location division and an articulated section respectively, described linking part has the pivot connected slot of a strip respectively, and described articulated section has a pivot joint bolt that outwards protrudes out respectively, described pivot joint bolt can articulate binding accordingly with described pivot connected slot, described lid can be pivoted in the described primary importance and the described second place by described relatively housing, and described lid is moved in described primary importance and described the 3rd position along described first direction.

8. as claim 1 or 6 described electric connectors, it is characterized in that, two fixed arms of described housing have an opposite linking part and a blocking part respectively, and two engaging arms of described lid have an opposite location division and an articulated section respectively, described linking part can pivot and be connected slippingly with described articulated section respectively accordingly, described blocking part has a clamping groove to described linking part depression respectively, and described location division has a spacer respectively, when described lid along described first direction by described primary importance when move described the 3rd position, described spacer is inserted accordingly respectively and is stretched into described clamping groove, is positioned described the 3rd position to limit the described relatively housing of described lid.

9. as claim 1 or 6 described electric connectors, it is characterized in that, two fixed arms of described housing have an opposite linking part and a blocking part respectively, and two engaging arms of described lid have opposite a location division and articulated section respectively, described linking part can pivot and be connected slippingly with described articulated section respectively accordingly, and described linking part has a location projection and a block protuberance respectively, angle when described locating convex block and described block protuberance can limit the relative described housing of described lid and pivot, make described lid when the second place, the angle of described first direction and described second direction is less than a predetermined value.

10. as claim 1,6 or 9 described electric connectors, it is characterized in that, two fixed arms of described housing have an opposite linking part and a blocking part respectively, and two engaging arms of described lid have an opposite location division and an articulated section respectively, described linking part can pivot and be connected slippingly with described articulated section respectively accordingly, and described linking part has a location projection and a block protuberance respectively, angle when described locating convex block and described block protuberance can limit the relative described housing of described lid and pivot, make described lid when the second place, the angle of described first direction and described second direction is less than 90 degree.

11. electric connector as claimed in claim 1, it is characterized in that, described electric connector also comprises a sensing device, described sensing device has a perception part and one and the moving part that is interlockingly connected of described perception part, one sidewall of described electronic cards then is provided with a read/write control piece, when described lid by described primary importance when described first direction moves to described the 3rd position, described electronic cards is provided with a sidewall of described read/write control piece can oppress and pass described moving part, and then described moving part and described read/write control piece are connected, and when described read/write control piece is positioned at one only during reading location, described moving part and described perception part connect, and when but described read/write control piece was positioned at a writing position, described moving part was relatively away from described perception part.