CN101964465A

CN101964465A - Card edge connector

Info

Publication number: CN101964465A
Application number: CN2010101809975A
Authority: CN
Inventors: 陈振源
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2009-07-24
Filing date: 2010-05-14
Publication date: 2011-02-02
Anticipated expiration: 2030-05-14
Also published as: TW201108513A; CN101964465B; SG168435A1; TWI411174B

Abstract

The invention relates to a card edge connector, which comprises an insulating shell, a top buckle component and a pushing component. The insulating shell comprises opposite end parts and a card slot. The top buckle component can pivot in the end part and comprises a front end surface, a latching part, a top-out part and an arm part. The front end face faces the card slot; the latch part is formed on the front end surface and is constructed into a latch printed circuit card; the ejecting part is formed on the front end surface and is configured to abut against the front edge of the insertion edge part of the printed circuit card along with the pivoting of the ejecting member so as to eject the printed circuit card from the card slot; the arm portion extends away from the front end surface. The pushing piece is provided with a pushing part which can move in the end part and is configured to be abutted with the arm part of the top buckle component so as to pivot the top buckle component. The card edge connector can be easily and safely operated and can be adapted to standard or non-standard memory modules.

Description

Bayonet connector

Technical field

This exposure relates to a kind of bayonet connector, particularly a kind of have move back card and buckle the bayonet connector of mechanism for card with door bolt, it also can be used for stripping and fastening with a bolt or latch the highly module of overgauge electronic cards of button.

Background technology

Only provide on the printed circuit board (PCB) of limited function a plurality of bayonet connectors can be set, have the Printed Circuit Card of difference in functionality, the function that expands these printed circuit board (PCB)s thus with reception.Usually, these Printed Circuit Cards that are inserted in these bayonet connectors are removable moving, and for successfully withdrawing from these Printed Circuit Cards, trip mechanism often is used, to withdraw from these Printed Circuit Cards.

For instance, in a computing system, memory module is a kind of popular known Printed Circuit Card that is.For withdrawing from a memory module, many trip mechanisms are developed.Traditionally, common use lever arm moves back the card operation.Yet therefore lever arm is not easy operation usually near motherboard.Moreover lever arm needs bigger space, so that its rotation.Therefore, lever arm is incompatible with compact design now.

For solving aforesaid defective, some trip mechanisms are suggested, for example people's such as Arai United States Patent (USP) the 5th, people's such as 571, No. 025, Enomoto United States Patent (USP) the 5th, 577, the exposure that the 5th, 660, No. 552 equal tools such as grade of United States Patent (USP) of people such as No. 922 and Suzuki are relevant.Aforesaid patent all discloses a similar trip mechanism, and it comprises a push rod and a rotating part, and wherein this rotating part can contact an insertion end of this push rod and a circuit card.Push rod transmits the end of a strength to this rotating part, makes this rotating part rotate.After the insertion end of the other end contact print circuit card of the rotating part that rotates,, withdrawed from up to Printed Circuit Card with its promotion.Usually, the Printed Circuit Card after the insertion is clamped, shifts out to avoid accident.And the Printed Circuit Card after the insertion just can withdraw from after needing usually to move a segment distance fully.Therefore, for the Printed Circuit Card that makes insertion is withdrawed from fully, rotating part must be enough big, to produce enough lever force, so that move back card operation smoothly, and rotating part must rotate angle to a certain degree, just Printed Circuit Card can be moved to surmount an aforesaid segment distance.Therefore, bayonet connector need possess big space to hold this rotating part, so will cause the bayonet connector thickening and make the electrical path of terminal elongated.

In addition, in the bayonet connector that aforementioned patent discloses, mainly by bolt lock mechanism institute breech lock, wherein this bolt lock mechanism and aforesaid push rod and aforesaid rotating part work alone the Printed Circuit Card of insertion.When the Printed Circuit Card that inserts withdraws from, move back the central of card operation or before, need extra strength that bolt lock mechanism is shifted out from the recess of the Printed Circuit Card of insertion or otch.Therefore, bolt lock mechanism and push rod independent operation may cause unexpected failure, and need bigger operation strength this point, and be extremely not convenient concerning using.

Moreover people's such as Arai United States Patent (USP) has disclosed a kind of push rod the 5th, 571, No. 025 in addition, and it comprises one and fastens arm, and this fastens arm can engage a kerf, is stuck in the connector with this circuit of fixing.Fasten arm and be tilted breaking away from corresponding otch, its action is to finish by one group of cooperation that is arranged at the teat on the push rod and accommodates between groove on the guide posts of this push rod.The too complicated and difficult assembling of this mechanism.

In addition, the trip mechanism of aforementioned patent be for the memory module of the full-scale type of standard (full-sized form) designed.But these mechanisms are incompatible in the memory module that highly is higher than the standard memory module.

In sum, the trip mechanism of traditional bayonet connector still has some defectives, therefore can be easily and operate safely and the new bayonet connector of suitable standard or non-standard memory module still by in the expectation.

Summary of the invention

Technical problem to be solved by this invention is, a new and improved bayonet connector is provided, and it can be easily and will insert card safely and withdraw from, and suitable standard and off-gauge Printed Circuit Card.

For achieving the above object, technical scheme of the present invention is as follows.One bayonet connector is provided.This bayonet connector can be used for receiving a Printed Circuit Card, and this Printed Circuit Card has a plurality of recesses and a plurality of electrical contact pad, and these recesses are arranged at relative side portion respectively, and these electrical contact pads insert the setting of limit portion along one of this Printed Circuit Card.This bayonet connector comprises an insulation shell, a member and an impeller are detained in many conducting terminals, tops.Insulation shell comprises an opposed end and a card slot, and wherein this card slot is arranged between this opposed end.Many conducting terminals are located in this insulation shell.Each conducting terminal has a contact site, and wherein these contact sites of these conducting terminals are configured to contact these electrical contact pads on this Printed Circuit Card.Top button member is configured to pivot in this end, and it comprises a front end face, a door bolt button portion, an ejection part and an arm.Front end face is towards this card slot; Door bolt button portion is formed on this front end face, a top edge of contiguous this front end face, and be configured to fasten with a bolt or latch button and be inserted in this Printed Circuit Card in this card slot; Ejection part is formed on this front end face, is close to a lower limb of this front end face, and is configured to the leading edge of this insertion limit portion of this Printed Circuit Card of contact with the pivot of top button member, so that this Printed Circuit Card is withdrawed from from this card slot; Arm extends in the mode away from this front end face.Impeller has a pushing part, can move and be configured to contact with this arm of this top button member in this end respectively in this pushing part, and member is detained on this top to pivot.

Because said structure, bayonet connector of the present invention can be achieved as follows beneficial technical effects: can operate easily and safely, and can be fit to standard or non-standard memory module.

Above sketch out technical characterictic of the present invention and advantage are obtained preferable understanding so that hereinafter the present invention is described in detail.Other technical characterictic and the advantage that constitute claim technical scheme of the present invention will be described in hereinafter.The ordinary technical staff in the technical field of the invention should understand, and hereinafter notion of Jie Shiing and specific embodiment can be used as the basis, thereby can be revised or be designed to other structure or technology quite easily and realize the purpose identical with the present invention.The ordinary technical staff in the technical field of the invention also should understand, and the structure of this class equivalence also can't break away from the spirit and scope of the present invention that limited by the claim scope.

Description of drawings

Fig. 1 has shown the bayonet connector of one embodiment of the invention and the schematic diagram of a circuit board;

Fig. 2 has shown the schematic perspective view of a bayonet connector of one embodiment of the invention;

Fig. 3 is the exploded perspective schematic diagram of Fig. 2;

Fig. 4 has shown the partial enlarged drawing of end of an insulation shell of one embodiment of the invention;

Fig. 5 has shown the schematic perspective view of a top button member of one embodiment of the invention;

Fig. 6 is another schematic perspective view of the top button member of Fig. 5;

Fig. 7 shown one embodiment of the invention an insulation shell the end on look schematic diagram;

Fig. 8 is the local amplification view of the end of the insulation shell that shows according to one embodiment of the invention;

Fig. 9 has shown the impeller of one embodiment of the invention and the schematic perspective view of its pushing part and location rod member;

Figure 10 has shown an impeller of one embodiment of the invention and another schematic perspective view of its pushing part and location rod member;

The sectional perspective amplification view of Figure 11 for showing according to one embodiment of the invention, it has shown cooperating between location rod member and rod member accepting groove;

Figure 12 has shown the schematic perspective view of the impeller of one embodiment of the invention;

Figure 13 has shown the front view of the impeller of one embodiment of the invention;

The sectional perspective amplification view of Figure 14 for showing according to one embodiment of the invention, it has shown an impeller, a top button member and a Printed Circuit Card;

The sectional perspective amplification view of Figure 15 for showing according to one embodiment of the invention, it has shown an impeller, has detained a member and a Printed Circuit Card on a top of enable possition;

Figure 16 has shown the bayonet connector of one embodiment of the invention and the schematic diagram of the Printed Circuit Card 3 that one inserts; And

The sectional perspective amplification view of Figure 17 for showing according to one embodiment of the invention, it has shown an impeller, has detained a member and a Printed Circuit Card on a top of position latching.

[main element symbol description]

1 bayonet connector

2 printed circuit board (PCB)s

3 Printed Circuit Cards

11 impellers

12 insulation shells

13 top button members

14 conducting terminals

15 keepers

16 retaining pieces

31 insert limit portion

32 electrical contact pads

33 recesses

34 side portion

111 support sectors

112 projecting member

113 location rod members

114 pushing parts

115 bodies

116 cephalic pars

117 slits

121 ends

122 card slots

123 grooves

131 front end faces

132 door bolt button portions

133 ejection parts

134 arms

135 flutings

136 sidewalls

137 pivot parts

138 projection portions

141 contact sites

142 tail ends

161 crook

162 pars

1111 preceding bottom surfaces

Bottom surface, 1112 back

1131 side projections

1132 side projection spares

1141 end faces

1161 inclined-planes

1211 sidewalls

1212 inwalls

1213 end walls

1214 grooves

1215 concave surfaces

1216 horizontal hook bars

1311 lower limbs

1312 top edges

1331 corners

1332 back sides

1333 fillets

1341 upper surfaces

1342 terminal parts

1381 inclined planes

1111 preceding bottom surfaces

12111 pivoted holes

12112 rod member accepting grooves

12113 recessed sections

12114 concave regions

12131 elongate slots

Embodiment

The enforcement example with bayonet connector of trip mechanism begins to describe the present invention now, after can be specified in accompanying drawing.As Fig. 1 and shown in Figure 2, the bayonet connector 1 that is arranged at printed circuit board (PCB) 2 is configured to accept the Printed Circuit Card 3 that vertical direction is provided with.Printed Circuit Card 3 is plugged on and is used to move back between two impellers 11 of card operation, and Printed Circuit Card 3 can comprise one and insert limit portion 31 and a plurality of electrical contact pad 32, and electrical contact pad 32 compartment of terrains are inserted limit portion 31 along this and are provided with.Printed Circuit Card 3 can comprise a plurality of recesses 33 in addition, and these recesses 33 are arranged at the relative side portion 34 of Printed Circuit Card 3 respectively.In the present embodiment, Printed Circuit Card 3 can comprise as the memory card module, for example: synchronous double transfer of data dynamic random access memory (double data ratesynchronous DRAM, for example: DDR SDRAM, DDR2SDRAM or DDR3SDRAM).Printed Circuit Card 3 can be the circuit card of conformance with standard full-scale (standard full-sized), maybe can be higher than the calibrated altitude of circuit card.For the Printed Circuit Card 3 that makes bayonet connector 1 of the present invention can will be higher than calibrated altitude withdraws from smooth-goingly, with these Printed Circuit Card 3 two impellers 11 in the roughly same height erectly and be arranged at corresponding side portion 34 with propping up, thereby the user can utilize these impellers 11 easily, and the Printed Circuit Card 3 that inserts is withdrawed from.

With reference to shown in Figure 2, bayonet connector 1 comprises the insulation shell 12 of a microscler shape, insulation shell 12 has two end 121 and card slots 122 that are provided with relatively, card slot 122 is 121 and extension setting up in both ends, and card slot 122 is configured to accommodate the insertion limit portion 31 of Printed Circuit Card 3.Each end 121 has a hollow inside, and a top button member 13 is arranged in this hollow inside.On the button member 13 of top, an impeller 11 is mounted on respective end portions 121 with propping up.

Shown in Fig. 1,3 and 4, in insulation shell 12, a plurality of groove arrangement are in the relative both sides of card slot 122, and are configured to accommodate conducting terminal 14.Each conducting terminal 14 comprises a contact site 141 and a tail end 142, this contact site 141 can protrude into this card slot 122, with the electrical contact pad on the contact print circuit card 3, and this tail end 142 extends downwards and protrude this insulation shell 12, and it is general as shown in Figure 4, form the configuration of a surface adhering, being placed in the electric connection pad on the printed circuit board (PCB) 2, and then connect circuit on the printed circuit board (PCB) 2.In addition, each conducting terminal 14 can comprise a tail end, and this tail end can and extend outstanding insulation shell 12 downwards, and forms a perforation stitch configuration that can be arranged in corresponding perforations on the printed circuit board (PCB) 2.Each end 121 for two lateral walls 1211, two inwalls 1212 arranged side by side and an end wall 1213 around enclosing qualification.Two inwalls 1212 are separated by a groove 123, and wherein this groove 123 is communicated with these card slots 122 and has corresponding side portion 34 (as shown in Figure 1) on the printed circuit board (PCB) 2 after enough width can hold insertion.

With reference to shown in Figure 3, bayonet connector 1 is configured as shown in Figure 1, is fixed on the printed circuit board (PCB) 2.For this reason, a plurality of keepers 15 and retaining piece 16 are set up.With reference to shown in Figure 4, a positioning piece 15 and a retaining piece 16 are fixedly arranged on respective end portions 121.Each keeper 15 has a cephalic par and a foot section, and this cephalic par is accommodated in a groove 1214 of end 121, and that this foot section is configured to from the end 121 bottom is outstanding, to be inserted in the hole that matches on the printed circuit board (PCB) 2, positions thus.

With reference to shown in Figure 4, each retaining piece 16 has a crook 161 and a par 162, and the bottom surface of this par 162 can be welded on the printed circuit board (PCB) 2.Corresponding with retaining piece 16, concave surface 1215 is formed at the bottom surface of end 121 and the bottom surface that a horizontal hook bar 1216 is adjacent to end 121.After retaining piece 16 was installed, crook 161 hooked together horizontal hook bar 1216, and par 162 then is placed on the concave surface 1215.

Fig. 5 and Fig. 6 show the wherein thin portion of a top button member 13.Top button member 13 pivots in respective end portions 121.Top button member 13 is configured to fasten with a bolt or latch the Printed Circuit Card 3 of button or snap close one insertion, is unexpectedly shifted out to avoid Printed Circuit Card 3, and is configured to a Printed Circuit Card 3 that inserts is steadily withdrawed from the mode that pivots.For this reason, button member 13 in top comprises a front end face 131, a door bolt button portion 132, an ejection part 133 and an arm 134.In the face of a corresponding side on card slot 122 or the Printed Circuit Card 3, front end face 131 comprises edge, two opposite sides, a lower limb 1311 and a top edge 1312 to front end face 131 as shown in Figure 3.Ejection part 133 is from the lower limb 1311 of front end face 131 protrusions and adjacent front end face 131, ejection part 133 is configured to when a power puts on top button member 13, contact is inserted the leading edge of the insertion limit portion 31 of Printed Circuit Card 3, near on the position of a corner, so that Printed Circuit Card 3 is withdrawed from from card slot 122.Door bolt button portion 132 is configured to the Printed Circuit Card 3 that fixing inserts card slot 122, and door bolt button portion 132 is adjacent to the top edge 1312 of front end face 131.Arm 134 is in reverse to front end face 131 extensions and is configured to rotate top button member 13, inserts Printed Circuit Card 3 to withdraw from.

Especially, button member 13 in top comprises a fluting 135.Fluting 135 is formed on the front end face 131 and by door bolt button portion 132, ejection part 133 and two side 136 and limits.The width of fluting 135 makes ejection part 133 can move along the leading edge of Printed Circuit Card 3 in the time of or moving back card in plug-in card greater than the thickness of Printed Circuit Card 3, and near the part do not serve as reasons insertion limit portion 31 and the side portion 34 formed corresponding corners hinders.Ejection part 133 protrudes from front end face 131, and forms a corner 1331 between the side of the side of ejection part 133 and front end face 131, and wherein corner 1331 can be done and be chamfered processing, with the intensity of reinforcement ejection part 133.With reference to shown in Figure 6, can cave in the back side 1332 of ejection part 133, and two fillets 1333 correspondingly are formed at the border at 1332 at the inner surface of two side 136 and the back side, similarly to strengthen the intensity of ejection part 133.

With reference to Fig. 5 and shown in Figure 6, two pivot parts 137 are formed at the lateral surface of respective side walls 136.Form a projection portion 138 on each sidewall 136, this projection portion 138 forms moving with restriction top button member 13.Each projection portion 138 has two inclined planes 1381 that are oppositely arranged, and wherein an inclined plane 1381 towards the card slot 122 of bayonet connector 1.Arm 134 can have consistent width substantially, and its width can be less than top edge 1312 or lower limb 1311.Arm 134 also can comprise an expansion section, and this expansion section is tapered toward thinner terminal part 1342 certainly, but and defines all side surfaces of the upper surface 1341 coupler latch button portions 132 of arm 134.Can know in Figure 17 and find out that the terminal part 1342 of arm 134 can make that detaining member 13 when the top moves to a position latching perpendicular to front end face 131, terminal part 1342 is level substantially.The structure of this kind terminal part 1342 can shorter length top button member 13, bigger leverage is provided.

With reference to shown in Fig. 5 to 8, two inwalls 1212 and an end wall 1213 that the periphery of each end 121 is two lateral walls 1211, be set up in parallel.A plurality of groove shaped are formed in each end 121.As shown in Figure 8, form a pivoted hole 12111 on each sidewall 1211, to accept corresponding pivot part 137, so top button member 13 can be around pivot part 137 rotations in end 121.With reference to Fig. 5 and shown in Figure 8, a concave region 12114 is formed at the inner surface of each sidewall 1211, and concave region 12114 extends to pivoted hole 12111 from the end face of sidewall 1211, and is configured to the temporary corresponding projection portion 138 of staying of holding.So, in the time of within projection portion 138 is positioned at corresponding concave region 12114, the forward and backward motion of top button member 13 will be limited.

With reference to shown in Fig. 8 to 11, impeller 11 is used for rotating corresponding top button member 13 in end 121, withdraw from the Printed Circuit Card 3 that will insert.Each impeller 11 comprises a support sector 111, and support sector 111 is configured to can lean in the end face of respective end portions 121, so that impeller 11 obtains support when no Printed Circuit Card 3 inserts.Support sector 111 can have a pair of preceding bottom surface 1111, the top edge face relative set of each preceding bottom surface 1111 and the respective side walls 1211 of end 121 and can be each other against.Support sector 111 can have bottom surface 1112, a pair of back in addition, the top edge face relative set of each bottom surface 1112, back and the respective end walls 1213 of end 121 and can be each other against.By preceding bottom surface 1111 and bottom surface 1112, back, each impeller 11 can be avoided surmounting its extreme lower position when moving down, and can avoid when top button member 13 past interior or topple over outward during in the enable possition.

With reference to Fig. 8, Fig. 9 and shown in Figure 10, two location rod members 113 extend from a side of the preceding bottom surface 1111 that support sector 111 is provided with, and a pushing part 114 is arranged between the two location rod members 113, wherein pushing part 114 has an end face 1141, and this end face 1141 is configured to and can connects with the terminal part 1342 of arm 134.Correspondingly, as shown in Figure 8, a rod member accepting groove 12112 is formed at the inner surface of each sidewall 1211 of end 121, to guide corresponding location rod member 113.On the bottom surface of rod member accepting groove 12112, form a recessed section 12113.Comprise a side projection 1131 and respectively locate rod member 113, side projection 1131 side direction outstanding and with recessed section 12113 relative set.With reference to shown in Figure 11, after impeller 11 was installed on

end

121,1131 of each side projections entered in the corresponding recessed section 12113, and impeller 11 only was restricted to and can moves in the scope of recessed section 12113 vertical extent distances this moment.

With reference to Fig. 8 and shown in Figure 10, on the inner surface of the end wall 1213 of each end 121,, form three parallel elongate slots 12131 along the moving direction of impeller 11.Correspondingly, a microscler projecting member 112 is formed on the impeller 11 with both sides projection spare 1132.Projecting member 112 can be mobile in the elongate slots 12131 in the middle of one, and wherein this projecting member 112 is formed on the pushing part 114 side towards end wall 1213.Both sides projection spare 1132 protrudes from corresponding location rod member 113 respectively, and both sides projection spare 1132 is provided with corresponding to both sides elongate slots 12131, and can be respectively at mobile in both sides elongate slots 12131 in.The combination of projecting member 112 and middle elongate slots 12131, and the combination of both sides projection spare 1132 and both sides elongate slots 12131 guiding impeller 11 is mobile.Moreover projecting member 112 cooperates with middle elongate slots 12131, can avoid each impeller 11 to be mounted under incorrect combination orientation.

With reference to Figure 12 and shown in Figure 13, each impeller 11 more comprises a body 115 and a cephalic par 116, and wherein this cephalic par 116 is supported by this body 115, and it is configured to and can be pressed by a user finger or thumb.Body 115 can have an elongated shape, impels air flow stream to cross body 115 thus, to promote the heat radiation of inserting Printed Circuit Card 3.One slit 117 is provided with along the inboard of body 115.Slit 117 is configured to allow on the Printed Circuit Card 3 the corresponding side portion 34 can slippage in it, makes Printed Circuit Card 3 obtain when mounted to guide.Cephalic par 116 can have an inclined-plane 1161, inclined-plane 1161 towards and bayonet connector 1 slightly dorsad, when Printed Circuit Card 3 was just withdrawed from, impeller 11 still can be promoted toward bayonet connector 1 thus.In one embodiment, each impeller 11 can form by the plastic cement molding.In another embodiment, the metal ribs part can be embedded in each impeller 11, so can obtain heavier impeller 11, to satisfy different application.

With reference to Fig. 1, Figure 14 and shown in Figure 15, when a Printed Circuit Card 3 will be inserted into bayonet connector 1, the side portion 34 of Printed Circuit Card 3 is at first inserted in the slit 117 of corresponding impeller 11, and then, Printed Circuit Card 3 is moved toward bayonet connector 1 up to inserting limit portion 31 near card slot 122.Then, Printed Circuit Card 3 is pushed into bayonet connector 1.Before Printed Circuit Card 3 inserted, each top button member 13 was positioned on the enable possition.Especially, each top button member 13 is skewed, and its ejection part 133 is positioned at card slot 122, prepares to connect with the leading edge of inserting limit portion 31.Printed Circuit Card 3 is in the middle of inserting, in case insert the leading edge conflict ejection part 133 of limit portion 31, the insertion limit portion 31 of Printed Circuit Card 3 promptly begins to promote ejection part 133, and with the direction shown in Figure 15 arrow A, rotates top button member 13.When top button member 13 rotated, the arm 134 of top button member 13 offseted with pushing part 114, and impeller 11 is up moved, up to door bolt button portion 132 door bolts go into corresponding Printed Circuit Card 3 recess 33 or as Figure 16 and top shown in Figure 17 detain the position latching of member 13.Can be clear that from Figure 14, when plug-in card, insert a corner of limit portion 31 and can freely move at the fluting 135 that pushes up button member 13.

As shown in figure 17, when an insertion Printed Circuit Card 3 will be withdrawed from, a power put on the cephalic par 116 of impeller 11, and this moment, the arm 134 of member 13 was detained in pushing part 114 against the top.Pushing part 114 promotes the arm 134 of top button member 13, and top button member 13 is rotated with the direction in contrast to the arrow A indication.When button member 13 in top began to rotate, 132 in door bolt button portion shifted out from corresponding recess 33, so fastens button portion 132 with a bolt or latch and will no longer fasten button Printed Circuit Card 3 with a bolt or latch, makes removing of Printed Circuit Card 3 need not increase the extra application of force.When top button member 13 rotates, the leading edge of the insertion limit portion 31 of the ejection part 133 contact Printed Circuit Cards 3 of top button member 13, allow Printed Circuit Card 3 move, up to Printed Circuit Card 3 as shown in Figure 15, withdraw from bayonet connector 1 fully toward the direction of leaving card slot 122.At last, Printed Circuit Card 3 can be along the slit 117 of impeller 11 and is taken out.

In sum, the bayonet connector that the present invention discloses comprises an impeller, and it has enough height, and the user can easily withdraw from high Printed Circuit Card, and does not have the difficulty of moving back the card operation.Bayonet connector more comprises a top button member, and it is with the mode breech lock that pivots and withdraw from Printed Circuit Card, wherein should top detains member and is rotated by impeller.Top button member can comprise a front end face, a door bolt button portion, an ejection part and an arm.Door bolt button portion protrudes from front end face, and it is configured to a Printed Circuit Card is withdrawed from.Door bolt button portion is configured to fasten the Printed Circuit Card that button inserts card slot with a bolt or latch, and it is formed at front end face.Arm is in reverse to front end face and extends, and it is configured to rotate this top button member, so that Printed Circuit Card is withdrawed from.

Technology contents of the present invention and technical characterstic disclose as above, yet those of ordinary skill in the art still may be based on teaching of the present invention and announcement and made all alternative and modification protocols that does not deviate from spirit of the present invention.Therefore, protection scope of the present invention 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 scope of claim.

Claims

1. bayonet connector, it is characterized in that, it is used to receive a Printed Circuit Card, this Printed Circuit Card has a plurality of recesses and a plurality of electrical contact pad, these recesses are arranged at relative side portion respectively, and these electrical contact pads insert the setting of limit portion along one of this Printed Circuit Card, and this bayonet connector comprises:

One insulation shell comprises an opposed end and a card slot, and this card slot is arranged between this opposed end;

Many conducting terminals are located in this insulation shell and are respectively had contact site, and these contact sites are configured to contact these electrical contact pads on this Printed Circuit Card; And

One top button member is configured to pivot in this end, and this top button member comprises:

One front end face is towards this card slot;

One door bolt button portion is formed on this front end face, and a top edge of contiguous this front end face, and this door bolt button portion is configured to fasten with a bolt or latch button and is inserted in this interior Printed Circuit Card of this card slot;

One ejection part is formed on this front end face, and a lower limb of contiguous this front end face, and this ejection part is configured to the leading edge of this insertion limit portion of this Printed Circuit Card of contact with the pivot of top button member, so that this Printed Circuit Card is withdrawed from from this card slot; And

One arm, it extends in the mode away from this front end face;

One impeller has a pushing part, can move and be configured to contact with this arm of this top button member in this end respectively in this pushing part, and member is detained on this top to pivot.

2. bayonet connector according to claim 1 is characterized in that respectively this impeller also comprises a support sector, and this support sector can connect with the top edge face of corresponding this end, moves down to prevent this impeller.

3. bayonet connector according to claim 2, it is characterized in that, this impeller comprises a body and a cephalic par, and this body has an elongated shape, and this cephalic par supports by this body and is configured to and can be pressed by a user finger or thumb.

4. bayonet connector according to claim 3 is characterized in that, its respectively this impeller more comprise two location rod members, this two location rod member is arranged at the relative both sides of this pushing part; Respectively this end comprises two lateral walls and two rod member accepting grooves, and this two side limits this end, and these rod member accepting grooves are arranged at this two side respectively, and wherein respectively this rod member accepting groove is used for when this impeller moves, and guiding accordingly should the location rod member.

5. bayonet connector according to claim 4 is characterized in that, respectively this location rod member more comprises a side projection; Respectively this rod member accepting groove comprises a recessed section, and wherein after this impeller is installed in corresponding this end, respectively this side projection is limited in corresponding this recessed section and moves.

6. bayonet connector according to claim 5, it is characterized in that, respectively this end comprises an end wall, this end wall has an elongate slots, and respectively this impeller comprises a microscler projecting member in addition, the corresponding setting with this elongate slots of this projecting member, that wherein can guide impeller cooperating between this projecting member and this elongate slots moves and prevents the incorrect installation of impeller.

7. according to each described bayonet connector in the claim 1 to 5, it is characterized in that the terminal part of this arm extends perpendicular to this front end face substantially.

8. bayonet connector according to claim 7, it is characterized in that this top button member more comprises a fluting, this fluting is formed on the front end face, wherein when this Printed Circuit Card was inserted into or withdraws from wherein, this fluting allowed a corresponding corner of Printed Circuit Card freely to move.

9. bayonet connector according to claim 8 is characterized in that, this top button member more comprises two side and two pivot parts, and this is slotted between this two side, and this two pivot part is arranged at this two side respectively, so that should top button members pivot.

10. bayonet connector according to claim 9 is characterized in that, this top button member more comprises a plurality of projection portion, and these projection portions correspondingly are formed at this two side, and these projection portions are used to limit the motion that member is detained on this top.

11. bayonet connector according to claim 3 is characterized in that, this cephalic par comprises an inclined plane, and this inclined plane up and slightly dorsad this insulation shell is provided with.