CN201142439Y

CN201142439Y - card edge connector

Info

Publication number: CN201142439Y
Application number: CNU2007201316562U
Authority: CN
Inventors: 王振华
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2007-12-21
Filing date: 2007-12-21
Publication date: 2008-10-29
Anticipated expiration: 2017-12-21

Abstract

A card edge connector, which includes an insulating body and a plurality of conductive terminals, the insulating body includes a longitudinal slot and a first row of conductive terminal receiving grooves and a second row of conductive terminal receiving grooves located on the two side walls of the slot, The slot can be used to insert a memory module, the conductive terminals are respectively accommodated in the first row and the second row of conductive terminal receiving slots, and include contact parts extending into the slot, and the card edge connector also includes at least two groups Detection terminals, each group of detection terminals includes a first detection terminal and a second detection terminal that cooperate with each other. The card edge connector has a detection function.

Description

Bayonet connector

[technical field]

The utility model is relevant a kind of bayonet connector, relates in particular to a kind of bayonet connector that memory module is connected to circuit board.

[background technology]

Bayonet connector is generally positioned on the circuit board, can be for the grafting of memory module one end, to realize the electric connection of memory module and circuit board.This bayonet connector comprises the insulating body of the lengthwise slot with the end that can accommodate memory module, is arranged at the plurality of conductive terminals of slot top and bottom sidewall, and is used for fixing the holding unit of memory module.But up to the present also not having to find to be provided with the detecting terminal makes it have the bayonet connector of signal detection function, make when the user is inserted into bayonet connector with memory module, can not be detected intuitively whether to connect and be put in place, particularly be assembled on the circuit board with other electronic components, just be difficult to determine whether that directly each electronic component all is in place, and being difficult to directly determine fast is which electronic component is not in place on earth, thereby make the tired lock of whole testing, and strengthen workload.And the numbers of terminals of bayonet connector is more, and insulating body is a sleeve configuration again, makes that flatness is difficult for guaranteeing that its structure can not at will be changed.So, other connectors, though as USB connector the detecting terminal is set also, can not be directly or change a little and apply on the bayonet connector, make existing bayonet connector have inconvenience and exist, and can wait to be improved with disappearance.

So, wish to design a kind of follow-on bayonet connector, to adapt to present use according to the characteristic of bayonet connector.

[utility model content]

The utility model main purpose is to provide a kind of bayonet connector, and it has detecting function and reliable and practical bayonet connector.

For reaching above-mentioned purpose, the utility model adopts following technical scheme: a kind of bayonet connector, it comprises insulating body and plurality of conductive terminals, described insulating body comprises a lengthwise slot and is positioned at first row's conducting terminal accepting groove and second row's conducting terminal accepting groove of slot two side, this slot memory module that can be used for pegging graft, described conducting terminal is contained in first respectively, in second row's conducting terminal accepting groove, and comprise the contact site that extends into slot, this bayonet connector also comprises at least two groups detecting terminal, and every group of detecting terminal comprises the first detecting terminal and the second detecting terminal of working in coordination.

Compared with prior art, the utility model bayonet connector has the detecting terminal and makes this bayonet connector have detecting function.

[description of drawings]

Fig. 1 is the stereogram of the utility model bayonet connector.

Fig. 2 is the three-dimensional exploded view of the utility model bayonet connector, and wherein terminal only decomposites two.

Fig. 3 is the part stereogram of the utility model bayonet connector, wherein detects terminal and is decomposed out.

Fig. 4 is the stereogram of the detecting terminal of the utility model bayonet connector.

Fig. 5 is the part stereogram of the utility model bayonet connector.

[embodiment]

See also Fig. 1, shown in Figure 2, the utility model bayonet connector 1 is used for memory module (not shown) is electrically connected to circuit board (not shown).This bayonet connector 1 comprises insulating body 10, the plurality of conductive terminals 2 that is contained in the slot top and bottom sidewall with lengthwise slot 11, be arranged at the holding unit that is used for the fixing memory module 4 of insulating body both sides and be arranged at two groups of detecting terminals 3 in the insulating body.

The slot 11 of described insulating body 10 can be for the grafting of memory module one end, and it respectively is provided with some first row's conducting terminal accepting grooves 121 and second row's conducting terminal accepting groove 122 in the two side up and down.Described conducting terminal 2 comprises the row's of going up conducting terminal 21 that is contained in first row's conducting terminal accepting groove 121 and the following row's conducting terminal 22 that is contained in second row's conducting terminal 122, and each conducting terminal comprises the contact site that extends into slot 11.Be provided with the knob of key 14 that prevents that memory module from mispluging in the described slot 11.The bottom side of described insulating body 10 is provided with the reference column 13 (seeing also shown in Figure 5) that convenient card edge connector 1 is positioned to circuit board.

Holding unit 4 comprises plastic parts 5 and metalwork 6.Plastic parts 5 is one-body molded with insulating body 10, is extended to a side at slot 11 places by the two ends of insulating body 10, makes two plastic parts 5 and insulating body 10 surround the receiving space of memory module jointly.This plastic parts 5 comprises root 51 that links to each other with insulating body 10 and the arm 52 that is extended by root 51.The end of described arm 52 is provided with the holding parts 522 that button is held the latch part 521 and relative latch part 521 arranged outside of memory module.Described holding parts 522 can prevent that memory module from moving along the direction that arm 52 extends.Described root 51 downsides are provided with mating groove 53.Metalwork 6 is provided with flat base portion 61.The side of this base portion 61 is provided with some hangnails 62, and this hangnail 62 is used for base portion 61 is immobilizated in described mating groove 53.One end of described base portion 61 bending downwards extends the fixed part 63 that is immobilizated on the circuit board, and this fixed part 63 upwards bending extends a catch 64.A protection portion 65 is extended in bending on one side direction of described base portion 61, and the outside (with respect to a side of receiving space) of arm 52 is close to by our department 651 of this protection portion 65, and the top edge of protection portion 65 bends inwards and forms a guiding and fasten 652 and stator 653.The latch part 521 that 652 size and dimension and arm 52 are fastened in this guiding is complementary and is covered in the upper surface of latch part 521.This stator 653 is the free terminals that are positioned at protection portion 65, is fixed on arm 52 ends so that should protection portion 65 be close to the arm outside, and can be under the effect of power with outer together of arm 52 and reset.The lower limb of described protection portion 65 is inwardly being bent and is being extended a banking stop 654, and when opening outside the arm, catch 64 restriction banking stops 654 continue to extend out, thus protection arm 52.

Please join Fig. 3 to shown in Figure 5, the two ends of described insulating body 10 are provided with hole 151, and this hole 151 can be used for withdrawing from of mould after plastic parts 5 moulding for through hole, and the motion of mould stream when also helping the insulating body moulding simultaneously all can exist in general bayonet connector.First accepting groove 152 vertically connects hole 151, and connects to the diapire of insulating body 10.First row's conducting terminal accepting groove of the most close hole 151 forms second accepting groove 153.Be provided with a connectivity slot 154 that is communicated with both (concrete structure will in hereinafter being described) between the hole 151 and second accepting groove 153 in conjunction with the detecting terminal.Please join Fig. 4 and Fig. 5, detecting terminal 3 comprises that the first detecting terminal 32 and the second detecting terminal, 31, the second detecting terminals 31 are movable terminals, is arranged in second accepting groove 153, and its structure is identical with last row's conducting terminal 21 structures.The described second detecting terminal 31 comprises holding parts 311, by the weld part 312 that extends insulating body 11 under holding parts 311 1 side direction and extend upward elastic contact arm 313 by holding parts 311 opposite sides.The side of described holding parts 311 is provided with hangnail to strengthen fixing effect.The end of described elastic contact arm 313 forms the contact site 314 that extends into slot 11.The described first detecting terminal 32 is fixed terminals, comprises the Fixed Division of being fixed in first accepting groove 152 321, its side be provided with can with the protruding thorn 3211 of the inwall interference of first accepting hole 152.The lower limb of Fixed Division 321 extends weld part 322 downwards, and the solder side of the solder side of this weld part 322 and the second detecting terminal 31 and the solder side of the row's of going up conducting terminal 21 are positioned on the same horizontal plane.The first detecting terminal 32 also comprises a horizontal contact section 325 vertical with Fixed Division 321.This contact site 325 is offset certain positions with Fixed Division 321 and is positioned at the top of Fixed Division 321, and both are connected by an offset portion 323 and extension 324 vertically upward.Described offset portion 323 is arranged in the hole 151 is extended to the second detecting terminal 31 by the first detecting terminal 32, described extension is close to the sidewall of hole 151 and is extended by hole 151 from offset portion 323 and extends into the connectivity slot 154, described contact site 325 extends into the upside of second accepting groove 153 from connectivity slot 154, and be positioned at the contact site top of the second detecting terminal 31, and with the contact site 314 relative spacing settings of the second detecting terminal 31 and on horizontal plane, have overlapping.

When memory module correctly is assembled to bayonet connector, conducting strip on the front end of memory module will contact with conducting terminal respectively, and the front end of memory module be not provided with conducting strip about two arms of angle will push second the detecting terminal 31 contact site 314 move upward, contact until its contact site 325, thereby make the second detecting terminal 31 electrically conduct mutually with the first detecting terminal 32 with the first detecting terminal 32.The detecting terminal 3 of present embodiment is located at the two ends of slot 11, have only when memory module insert fully put in place after, the two ends of the memory module second detecting terminal 31 of could conflicting simultaneously is to realize detecting function.And should 31 of second terminals be matched with the two ends that conducting strip is not set of memory module, the signal that can not influence memory module itself transmits.

The second detecting terminal 31 has identical size and dimension with last row's conducting terminal 21, and second accepting groove 153 can be with the accepting groove moulding of conducting terminal, reduce cost, and the first detecting terminal 32 is arranged in the hole 151, can make full use of the space and not increase extra setting, also can not cause the change of bayonet connector flatness, thereby can realize good functional requirement.Certainly, the first detecting terminal and the second detecting terminal also can all be arranged in the hole, promptly under the situation that the hole width allows, offer two accepting grooves.Also can exchange the first detecting terminal and the second detecting terminal, the second detecting terminal is placed hole and the first detecting terminal is arranged at second accepting groove.In the metal current holding unit, the two ends of the insulating body of part bayonet connector are not provided with the hole of perforation, and the hole of promising blind hole is set, and to guarantee the flatness of insulating body forming process, the detecting terminal also can be arranged in this hole.

Please join Fig. 2, the both sides of the knob of key 14 of described insulating body 10 also can be provided with accepting groove, and approximate location then can be contained in the first detecting terminal of detecting terminal in the accepting groove of knob of key both sides as shown in the reference numeral 17.Be generally and strengthen the detecting effect, guarantee two groups of distances between the detecting terminal, at least one the detecting terminal in the detecting terminal is arranged in the hole of insulating body one end.The front end of memory module be provided with match with knob of key and breach, the two ends arm of angle of the both sides arm of angle of described breach and the front end of memory module is not generally all established conducting strip, the bayonet connector place corresponding with the arm of angle is provided with hole, described detecting terminal is arranged in described hole and matches with the described arm of angle, promptly can not influence the signal transmission of memory module, also can not influence the structure of bayonet connector, guarantee the flatness of bayonet connector, and can realize detecting function, make this bayonet connector reliable and practical.

Described detecting terminal also can be positioned at the opposite side of slot, preferably, the second detecting terminal has identical size and dimension with following row's conducting terminal, and the extension of the first detecting terminal is extended downwards by offset portion, makes the contact site of sense terminal of winning extend to the below of the contact site of the second detecting terminal.Certainly, also have other execution mode, just do not enumerated one by one here.

Claims

1. bayonet connector, it comprises insulating body and plurality of conductive terminals, described insulating body comprises a lengthwise slot and is positioned at first row's conducting terminal accepting groove and second row's conducting terminal accepting groove of slot two side, this slot memory module that can be used for pegging graft, described conducting terminal is contained in respectively in first, second row's conducting terminal accepting groove, and comprise the contact site that extends into slot, it is characterized in that: this bayonet connector also comprises at least two groups detecting terminal, and every group of detecting terminal comprises the first detecting terminal and the second detecting terminal of working in coordination.

2. bayonet connector as claimed in claim 1 is characterized in that: described insulating body is provided with hole at the place, end near the conducting terminal accepting groove, and the described first detecting terminal is arranged in this hole.

3. bayonet connector as claimed in claim 2 is characterized in that: the conducting terminal accepting groove of close hole forms second accepting groove, and the second detecting terminal is arranged in this second accepting groove.

4. bayonet connector as claimed in claim 3, it is characterized in that: be provided with the connectivity slot that is communicated with both between described hole and second accepting groove, the first detecting terminal comprises fixed part, weld part and contact site, second the detecting terminal comprises the contact site that extends into slot, first the detecting terminal contact site pass link slot and extend to second the detecting terminal contact site above or below.

5. bayonet connector as claimed in claim 4 is characterized in that: be provided with first accepting groove of this hole of up/down perforation in the described hole, the fixed part of the described first detecting terminal is contained in wherein.

6. bayonet connector as claimed in claim 5, it is characterized in that: be provided with offset portion and extension between the fixed part of the described first detecting terminal and contact site, described offset portion is extended to the second detecting terminal by the first detecting terminal, and described extension is extended up or down by offset portion.

7. bayonet connector as claimed in claim 1 is characterized in that: be provided with the knob of key that can prevent that memory module from mispluging in the slot of described insulating body, the side of this knob of key is provided with accepting groove, and one of them of described detecting terminal is arranged in this accepting groove.

8. bayonet connector as claimed in claim 1, it is characterized in that: be provided with the knob of key that can prevent that memory module from mispluging in the slot of described insulating body, the side of this knob of key is provided with accepting groove, described insulating body is provided with hole at the place, end near the conducting terminal accepting groove, described detecting terminal can be arranged in accepting groove or the hole, and wherein at least one detecting terminal is contained in the described hole.

9. as each described bayonet connector in the claim 1 to 8, it is characterized in that: the structure of the described second detecting terminal is identical with this structure of arranging corresponding conducting terminal.

10. bayonet connector as claimed in claim 9, it is characterized in that: described bayonet connector also comprises the fixture that is arranged at the insulating body two ends, and described fixture comprises that the plastic parts that extends from the insulating body one reaches the metalwork that matches with the plastic cement key.