CN2397628Y - Zero force connector - Google Patents

Abstract

The utility model relates to a zero force connector, comprising a base and a pushing rod. The base is provided with a first side and a plurality of inserting holes, the first side has corresponding first and second side edges, one terminal can be contained in each inserting hole, one end of the terminal is contacted with a circuit board, and the other end of the terminal can be movably positioned in the inserting hole. The pushing rod is pivoted on the first side of the base, which can be away from or next to the first side of the base; the pushing rod also comprises a pushing part; when the pushing rod is away from the first side edge, connecting feet of an electronic element can be respectively inserted into first position points positioned in parallel in each inserting hole of the base; when the pushing rod is next to the first side edge, the pushing part can push the electronic element, causes the connecting feet to be changed to second position points from the first position points, and generates electrical contact with the terminal in the inserting hole.

Description

Zero insertion connector

The utility model relates to a kind of Zero insertion connector, particularly a kind of in computer in order to will amass into the slidingtype Zero insertion connector that circuit (IC) wafer is connected to circuit board.

Known Zero insertion connector combination comprises a mutual stacked lid and a pedestal, lid and pedestal are respectively equipped with a plurality of corresponding jacks, the IC wafer is inserted on the lid and the wafer pin is passed down through the lid jack and extend, pedestal is fixed on the circuit board of desire connection, is inserted with by the upwardly extending terminal of this circuit board in each jack of pedestal.In the combination of this kind connector, one drive rod that is arranged on the pedestal side can rotate on the plane perpendicular to pedestal, this drive rod has a cam configuration, utilizes cam configuration, and rotatablely moving of drive rod can be converted to lid slip with respect to pedestal on horizontal plane by cam.Therefore, pass the lid jack and the pin that extends downwards from the IC wafer, can be mobile between primary importance (being the zero insertion force position) that the wafer pin contact with circuit board terminals and wafer pin and the second place that circuit board terminals closely contacts.When the second place, the wafer pin closely is held in the space of being defined between sidewall of pedestal jack and the terminal, thereby can realize fixing good between wafer pin and the circuit board terminals and excellent electrical property contact.

The Taiwan patent announcement promptly discloses the connector combination of this kind pattern for No. 240866, and Fig. 1 is the outside drawing of the disclosed connector combination of this patent.This connector combination comprises: one has the pedestal 1 of a plurality of jacks 11; Terminal 2 in a plurality of each jack 11 that are plugged in pedestal 1; One is stacked at the lid 3 on the pedestal 1, has a plurality of jacks 31 that pass for IC wafer pin (not shown); And be hubbed at the actuator with cam configuration 41 4 on pedestal 1 one sides.When actuator 4 on perpendicular to the plane of pedestal 1 when the direction shown in the arrow A pivots, be installed in 3 of lids on the cam configuration 41 because the effect of cam configuration 41 and on the direction shown in the arrow B, moving forward.

Continuation is used in the structure of the terminal 2 in this connector combination with understanding with reference to figure 1.Terminal 2 is made of plate-shape metal, comprising: a body 21; One socle 22 that extends vertically downward from body 21; One from the upwardly extending elastic arm 23 of body 21 inclinations; One is connected in the clamping part 24 of these elastic arm 23 upper ends.

Fig. 2 is the amplification details drawing in order to the pedestal jack that holds terminal.In order to hold above-mentioned terminal 2, each jack 11 forms the end with respect to upper surface 12 of sidewall 117 at room, is formed with first room 112 and second room 113, in order to the dual-side 211,212 of the body 21 of taking in terminal 2 respectively.By cooperating of the dual-side 211,212 of first room 112 and second room 113 and the body 21 of terminal 2, terminal 2 is fixed in the corresponding jack 11.The socle 22 of body 21 belows of terminal 2 extends downward the circuit board (not shown), and the elastic arm 23 of body 21 tops of terminal 2 and 24 of clamping parts are incorporated in the jack 11 of pedestal 1, and the upper limb of the clamping part 24 of terminal 2 flushes with the upper surface 12 of pedestal 11.

When moving with respect to pedestal 1 with reference to the top view illustration lid 3 of figure 3A and 3B, the situation that contacts of wafer pin and terminal.Can know by Fig. 3 A and 3B and to find out, because the elastic contact arm 23 and the clamping part 24 of terminal 2 are more close towards clamping sidewall 114 deflections than body 21, so formation one pin accommodation space 115 between terminal 2 and the clamping sidewall 114.The clamping part 24 of terminal 2 is formed with a curved face part 25 on an end that inserts wafer pin 8 near desire.This curved face part 25 forms sidewall 117 bendings towards room.Clamping sidewall 114 forms an inclined-plane 116 in the position with respect to this curved face part 25, can traversingly smoothly enter in this accommodation space 115 in order to wafer pin 8.As shown in Figure 3A, when wafer pin 8 inserted the jack 31 of lid 3 and further extends to the jack 11 of pedestal 1 with zero insertion force, wafer pin 8 was the primary importance C places that contact with terminal 2 not.Pivot forward along with actuator 4, lid 3 driven by cam configuration 41 and on pedestal 1 to front slide, at this moment, the pin 8 that extends to the jack 11 of pedestal 1 through the jack 31 of lid 3 also moves forwardly into terminal 2 and 114 pin accommodation spaces 115 that defined of clamping sidewall, and the elastic arm 23 of terminal 2 and clamping part 24 are displaced sideways because of the extruding of wafer pin 8.When actuator 4 was switched to the closed position that can be fastened on pedestal 1 one sidewalls, wafer pin 8 arrived terminal 2 and the pin 8 tight second place D (with reference to figure 3B) that contact.By the positive pressure that is produced that is displaced sideways of the clamping part 24 of terminal 2, pin 8 can tightly be held between terminal 2 and the clamping sidewall 114, and can keep the excellent contact relation with terminal 2.

Yet, microminiaturization along with the electronic installation of using this kind connector, particularly in notebook computer, because the thickness of the double-deck connector of this kind and cam actuator arm (part) rotate the restriction of required operating space on perpendicular to the plane of pedestal, not only the double-deck connector of this kind can't reduce on thickness, and assembles the double-deck connector of this kind required operating space on thickness direction and also can't reduce.Therefore, known dual-layer zero-force connector occupied space on thickness direction becomes the obstacle of the device microminiaturization of using this kind connector.

Main purpose of the present utility model is to provide the Zero insertion connector of a kind of " individual layer ", and it has the advantage that volume-diminished, designs simplification and assembly manipulation space reduce.

For achieving the above object, the utility model provides a kind of Zero insertion connector, it is characterized in that, the one side of this connector is used to plug an electronic component, its opposite face contacts with a circuit board, the pin that mat external force is impelled this electronic component is indexed to a second place by a primary importance place and sentences and this electronic component of being inserted on this connector and this circuit board are produced be electrically connected, this connector comprises: a pedestal, which is provided with a plurality of jacks that run through, this pedestal has one first, this first mask has relative first side and second side, respectively be used for a ccontaining terminal respectively in this jack, one end of this terminal contacts with this circuit board, and the other end of this terminal is positioned at this jack movably; An and catch bar, the one end is hubbed at the first side of this pedestal, make this catch bar can this hold into axle away from or the first side of this pedestal of convergence, this catch bar comprises a pushing part, when catch bar during away from this first side, the pin of this electronic component plugs respectively and is arranged in the respectively primary importance place of this jack of this pedestal, when this first side of catch bar convergence, this pushing part can promote this electronic component, make the pin of this electronic component be indexed to second place place, and produce electric the contact with terminal in the jack by the primary importance place.

Principal character of the present utility model is to omit the lid in the known technology, utilizes suitable cooperation the between pedestal and the catch bar, can realize the effect that closely contacts between terminal and pin in the identical known technology.Therefore, the thickness of Zero insertion connector of the present utility model can reduce, and does not need very big operating space can realize utilizing connector to connect the purpose of electronic component and circuit board, further facilitates the microminiaturization of the device that uses Zero insertion connector.In addition,, do not have the problem that the lid jack aligns with the pedestal jack in the known technology,, have the advantage that reduces cost so its structure is simpler because the utility model only has monolayer constructions will.

Relevant for the utility model is to reach technological means and the effect thereof that above-mentioned purpose, feature adopt, and exemplifies preferred embodiment now and conjunction with figs. is described as follows, and for the purpose of being easy to understand, components identical or parts are to represent with same numeral:

Fig. 1 is Zero insertion connector combination and a used terminal decomposition appearance figure thereof in the known technology;

Fig. 2 is the thin portion enlarged diagram of a wherein jack of pedestal of the Zero insertion connector of Fig. 1;

Fig. 3 A is when to be the wafer pin with zero insertion force insert the pedestal pin, the vertical view that the position of wafer pin and circuit board terminals concerns;

Fig. 3 B is a lid when moving forward, and the wafer pin is held in the vertical view between terminal and the clamping sidewall;

Fig. 4 is the decomposition appearance figure of Zero insertion connector of the present utility model;

Fig. 5 is the combination vertical view of Zero insertion connector of the present utility model;

Fig. 6 A and 6B are respectively the vertical view and the end view of the catch bar of Zero insertion connector of the present utility model; And

Fig. 7 A and 7B are respectively the operation planar figure of the catch bar of explanation the utility model Zero insertion connector, wherein show an IC wafer and are stacked and placed on this pedestal top.

At first with reference to Figure 4 and 5; Figure 4 and 5 are respectively the three-dimensional exploded view and the combination plan view from above of the Zero insertion connector of a preferred embodiment of the present utility model.This connector 5 comprises a plate shaped pedestal 6 and a catch bar 7 that is connected in pivotly on pedestal one side; This pedestal 6 is provided with an opening 64 in central part, then is provided with a plurality of jacks 61 between opening 64 and pedestal periphery; Pedestal 6 has a first side 62 and the second side 63 relative with first side 62, the opposite end of first side 62 and second side 63 is connected with the 3rd side 65 respectively, another opposite end of first side 62 and second side 63 also is connected with four side 66 respectively, is respectively arranged with a microscler projection 651,652 the 3rd, on the four side 65,66; The one side of these projections 651,652 contacts, and protrudes in pedestal upper surface 67 certain distances with the 3rd side 65, four side 66 surfaces of pedestal 6 respectively; Setting by above-mentioned projection 651,652, the wafer (seeing also Fig. 7 A, 7B) that is inserted on this pedestal 6 can't be moved between the 3rd side 65, four side 66 by projection 651,652 restrictions, and only can move between first side 62, second side 63; This pedestal 6 is located on the circuit board (not showing on the figure), as known technology, can a ccontaining terminal in each jack 61 of pedestal 6, and the pin of terminal can be fixedly arranged on circuit board, and the terminal free ends that is placed in the jack 61 is to flush with the upper surface 67 of pedestal 6.

See also Fig. 6 A and 6B, catch bar 7 has the profile that can match with first side 62 1 side shapes, makes catch bar 7 can fit in a side of first side 62; One end of catch bar 7 is provided with vertically downward a pivot 71, can insert in the set pivot hole 622 of an end of pedestal 6 first sides 62; When the pivot 71 of catch bar 7 inserts in the pivot holes 622, catch bar 7 can pivot 71 rotates on horizontal plane for the center; Catch bar 7 is provided with a fixture at the other end place with respect to pivot 71, in order to catch bar 7 is fixed on the pedestal 6 movably; In this preferred embodiment, this fixture is the rectangle lamellar body 72 from opposite end horizontal expansion one segment length of catch bar 7 pivots 71, and is provided with a coupler body 721 in the inner surface of this rectangle lamellar body 72; When catch bar 7 when the first side 62 of pedestal 6 is moved and is fitted in first side 62, the coupler body 721 of rectangle lamellar body 72 can be snapped in the groove 621 set on pedestal the 3rd side 65, and catch bar 7 and pedestal 6 are tightly fastened firmly.

In this preferred embodiment, catch bar 7 is formed with a pushing part 73 and retainer 74 vertically between pivot 71 and rectangle lamellar body 72; Pushing part 73 has a trapezoidal protuberance 731 that laterally protrudes out to second side 63 directions from the surface of catch bar 7; When catch bar 7 engaged with pedestal 6, trapezoidal protuberance 731 was positioned on pedestal 6 upper surfaces 67, and did not contact with pedestal 6; Retainer 74 is between pushing part 73 and rectangle lamellar body 72, and retainer 74 has a vertical stop surface 741 of stretching to the lower edge; When catch bar 7 when pedestal 6 directions move, the vertical stop surface 741 of retainer 74 can prop up the vertical surface 623 of pedestal 6, thereby stops catch bar 7 further toward interior pivot.

With reference to figure 7A and 7B to understand the operation of catch bar of the present utility model.When the wafer of desiring to be mounted 9 was positioned on the pedestal 6 with the zero insertion force pattern, the pin 8 of wafer was identical with known technology with the position relation of the terminal 2 of circuit board, just like Fig. 3 A those shown, is in primary importance C place; When catch bar 7 shifts near towards pedestal 6 on horizontal plane, the trapezoidal protuberance 731 of the pushing part 73 of catch bar 7 contacts with IC wafer on the substrate 6, and with the 63 directions passing of the past second side of IC wafer, till the vertical stop surface 741 of the retainer 74 of catch bar 7 pastes together with the vertical surface 623 of pedestal 6 fully, at this moment, the coupler body 721 of the rectangle lamellar body 72 of catch bar 7 engages with the groove 621 of pedestal 6 the 3rd side 65, and catch bar 7 is fixed on the pedestal 6 firmly; At this moment, wafer pin 8 moves to second place D (Fig. 3 B), forms good electric the contact with terminal 2.

Preferably, Zero insertion connector 5 of the present utility model comprises that also one is arranged at the pressing device on the second side 63 of pedestal 6; In the present embodiment, this pressing device is a reed 10; The body 101 that this reed 10 has a curved arc shape with lay respectively at body 101 both sides and two installation sheets 102 vertical with body 101; When two vertical installation sheets 102 were vertically inserted and are fixed in two draw-in grooves 68 on pedestal 6 second sides 63, the body 101 of reed 10 was bent the top towards pedestal 6; When the IC wafer is pushed bar 7 and shifts wafer pin and the tight position contacting of circuit board terminals onto, the IC wafer can contact with the curved arc body 101 of reed 10, so reed 10 applies a positive pressure and gives IC wafer body, guarantees that further the IC wafer is immobilizated between reed 10 and the catch bar 7 firmly; Reed 10 another advantage on pedestal 6 is set to be, when the fixed part (that is groove 621) of the fixture (that is rectangle lamellar body 72) of catch bar 7 and pedestal 6 breaks away from, reed 10 can provide a reverse motive force to the IC wafer, helps the IC wafer to be returned to original zero insertion force position.

In sum, " Zero insertion connector " of the present utility model be energy mat structure described above, device really, accomplishes the end in view and effect.

Claims (10)

1. Zero insertion connector, it is characterized in that, the one side of this connector is used to plug an electronic component, its opposite face contacts with a circuit board, the pin that mat external force is impelled this electronic component is indexed to a second place by a primary importance place and sentences and this electronic component of being inserted on this connector and this circuit board are produced be electrically connected, and this connector comprises:

One pedestal which is provided with a plurality of jacks that run through, and this pedestal has one first, this first mask has relative first side and second side, respectively be used for a ccontaining terminal respectively in this jack, an end of this terminal contacts with this circuit board, and the other end of this terminal is positioned at this jack movably; And

One catch bar, the one end is hubbed at the first side of this pedestal, make this catch bar can this hold into axle away from or the first side of this pedestal of convergence, this catch bar comprises a pushing part, when catch bar during away from this first side, the pin of this electronic component plugs respectively and is arranged in the respectively primary importance place of this jack of this pedestal, when this first side of catch bar convergence, this pushing part can promote this electronic component, make the pin of this electronic component be indexed to second place place, and produce electric the contact with terminal in the jack by the primary importance place.

2. Zero insertion connector as claimed in claim 1, it is characterized in that, this catch bar also comprises a retainer, this pedestal also comprises a stop section on the first side, when this this first side of catch bar convergence, this retainer can contact with the stop section of this pedestal, makes this catch bar be limited in this place, stop section.

3. Zero insertion connector as claimed in claim 2 is characterized in that, the retainer of this catch bar have one with the axial vertical plane of this catch bar, the stop section of this pedestal has a vertical plane perpendicular to first of this pedestal.

4. as claim 1,2 or 3 Zero insertion connector, it is characterized in that this pushing part has the trapezoidal protuberance that one day, this pedestal second side direction protruded out.

5. Zero insertion connector as claimed in claim 1, it is characterized in that this pedestal also is provided with first buckle element, this catch bar also is provided with second buckle element, when the catch bar convergence and when being attached at this first side, this first buckle element can engage with this second buckle element.

6. Zero insertion connector as claimed in claim 5, it is characterized in that, this this first buckle element is a groove perpendicular to first of this pedestal, and this second buckle element is for being provided with a rectangle lamellar body that extends towards this base level and at the coupler body of rectangle lamellar body inner surface at the end away from this catch bar pivot pin end.

7. Zero insertion connector as claimed in claim 1, it is characterized in that, comprise that also one is installed on the pressing device on the second side of this pedestal, when this electronic component by when pass the second side of this pedestal, this pressing device can be out of shape because of contacting with this electronic component.

8. Zero insertion connector as claimed in claim 7 is characterized in that, this pressing device is a reed, and its two ends are fixedly arranged on this place, second side movably.

9. Zero insertion connector as claimed in claim 1, it is characterized in that, also comprise the projection on the both sides that are arranged at vertical these first and second sides, in order to be limited in the moving on direction of electronic component on this pedestal perpendicular to these first and second sides.

10. Zero insertion connector as claimed in claim 1 is characterized in that, this electronic component is to amass into circuit chip.

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