CN2929807Y

CN2929807Y - Lock button device

Info

Publication number: CN2929807Y
Application number: CN 200520119371
Authority: CN
Inventors: 林乐贤
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-02
Filing date: 2005-12-02
Publication date: 2007-08-01
Anticipated expiration: 2015-12-02

Abstract

The utility model provides a locking device of electronic element which comprises a seat and a button-held unit which is arranged extending upward from one side of the seat, wherein the button-held unit comprises a connected portion which is partly fixing-connected on the seat, and an elastic arm is arranged extending towards the other terminal of the seat from the connected portion, and the end of the elastic arm presents free state and is provided with hooking-combined portion. The relative terminals of substrate are separately provided with a holding block for placing the electronic element without broadways swinging, furthermore, setting a limit block at a suitable place of free end of the elastic arm near the seat can limit excessive movement of the elastic arm. The utility model can keep the electronic element from pulling away upwards or sidewards after being located, and is easy to operate or take out the electronic element without biggish acting force, and avoids damaging the button-held unit because of overlarge power or being incapable elastic recovery.

Description

Latching system

Technical field

The utility model relates to a kind of latching system of electronics electronic component, relates in particular to a kind of latching system of the electronics electronic component locking fixing that can be connected with electric connector.

Background technology

Well-knownly be, compared to existing PCI (Pedpherd ComponentInterconnect, peripheral element expansion mutual connection) many deficiencies of bussing technique, for example, the data rate of parallel pci bus can not satisfy the demand of existing complicated multi-medium data real-time Transmission; Can not adjust transmission speed with the reduction of the raising of dominant frequency or voltage flexibly; Interface pin is too much or the like, computer industry circle proposes and designs new bussing technique--the PCIExpress that substitutes pci bus, compared to existing pci bus technology, PCI Express bussing technique has plurality of advantages, as realizing the interconnected transfer rate of the point-to-point serial of equipment room; Binary channels, high bandwidth, transmission speed are fast; Extendability is flexible; Support synchronous data transmission or the like, and based on this PCIExpress technology further to mobile technology platform extension and extension.

In response to the development of mobile PC I Express bussing technique, computer industry circle designs, creates the terminal equipment PCI Express Mini Card of the mobile platform new spec that is complementary with this technology.Mini PCI Express Card (" pci card ") is a kind of flat template card of longitudinal bodies normally, and this cartoon is crossed with a kind of proprietary connector that is fixed on the printed circuit board (PCB) (PCB) and is connected, and reaches the telecommunication conducting with computer equipment.Because after described electric connector is assembled in printed circuit board (PCB), the distance that its plugging position is common and printed circuit board surface is certain at interval, and the Mini PCIExpress Card flat template that is rectangle itself, when so its contact jaw is connected with electric connector, its other end with respect to contact jaw is in vacant state, thereby a kind of stationary installation need be set and pci card is located, in order to avoid move because of external force because of computer equipment, vibration, tilt, put upside down or when other abnomal conditions occurring, cause that pci card breaks away from, swing, takeoff etc., cause pci card to be connected interruption with electric connector, even damage the contact conducting position of pci card or electric connector.

Existing latching system commonly used, its primary structure generally as shown in Figure 1, this existing latching system 1 comprises a tlat substrate that is rectangle substantially 2; This substrate 2 is provided with vertical the extension at it respectively down near two inner sides than the minor face edge and is provided with two button pin 3, is used to insert the pilot hole interior (figure does not show) of correspondence set on the printed circuit board (PCB), makes latching system 1 be fixed to printed circuit board (PCB); Substrate 2 in a side of its longitudinally along vertical up extension is provided with holding part 4 with button pin 3 reverse directions; Described holding part 4 comprises the clamping part 5 that is located at respectively near substrate 2 longitudinallies two ora terminalis, and this two clamping part 5 is to be fixed on the substrate 2, and is one by long and narrow web joint 6 joints between two clamping parts of fixing 5; Each clamping part 5 is equipped with a hook part 7 that is used for fastening the pci card surface, and this hook part 7 is to be provided with towards extending near pci card from the plane perpendicular to clamping part 5.After pci card was connected to the special connector on the printed circuit board (PCB) and presses down the location, the inside surface of hook part 7 was connected to the upper surface that pci card leans on, thereby pci card is fixed.

Existing this kind of latching system no doubt can be located pci card, so it is evident that, it also has following many shortcomings: at first, two clamping parts, 5 space certain distances, and be fixed in two ora terminalis of substrate 2 lengthwise sides respectively, so when taking out pci card, need two fingers to push clamping part 5 respectively and simultaneously towards the direction application of force away from pci card, and when the hook part 7 of having only two ends is thrown off the ora terminalis of pci card simultaneously, pci card can be taken out, so cause operating the tool inconvenience; Secondly, the bottom of clamping part 5 directly and substrate 2 be connected, when acting on its top and pull clamping part 5 outwardly with finger, because of the application of force arm of force too short, make and to impose on bigger power when pushing open, thereby wayward application of force size is very easily excessively damaged clamping part 5 or can't be replied because of clamping part 5 is followed the string because of exerting oneself, and causes clamping part 5 to lose button card function; Once more, latching system 1 is not provided with the location structure that prevents that pci card is displaced sideways, when pci card because external force effect improperly, and when a side is excessively swung, can not be prevented, be connected with normal telecommunication between electric connector thereby might damage pci card contact conducting position or destroy it.

The utility model content

May cause buckle structure to follow the string for the operation inconvenience, the application of force that overcome foregoing existing pci card latching system are excessive and can not prevent problems such as pci card sideshake, the purpose of this utility model is to provide a kind of improvement pci card latching system of different structure, this latching system not only fixing PCI card and keep its up unlikely or both sides and deviate from, and simple to operately need not to impose on bigger pull force, can avoid that excessive damage buckle structure or cause it can't elasticity recovery because of exerting oneself.

For achieving the above object, the utility model adopts following technical scheme:

Latching system, it comprises pedestal and extends the buckle holding unit of setting up in pedestal one side that it is to be used for electronic component is located.Wherein, buckle holding unit comprises connecting portion, elastic arm and colludes the portion of closing, and part is fixed in connecting portion on pedestal one end extends towards the other end of pedestal and be provided with elastic arm, and the end of elastic arm is free state and is provided with the portion of closing of colluding, in order to the electronic component snap close.

Opposite end in said base is respectively equipped with position block, and is therebetween ccontaining and prevent its sideshake in order to electronic component.

The position of the elastic arm free terminal on said base is provided with positive stop, this positive stop extend towards the pedestal outside and and be separated with distance between elastic arm, elastic arm free terminal court moves away from the electronic component direction, and stops to move when abutting to positive stop.

Extended position up in said base is provided with at least one carrier, and it highly is lower than the height of described position block.When electronic component is connected also running fix down with electric connector, can be connected on this carrier just, thereby prevents that electronic component from further moving excessively down.

Above-mentioned carrier and position block are one-body molded, and at this moment, carrier and position block are angled and be provided with towards inboard extension of pedestal.

The elastic arm of above-mentioned buckle holding unit is provided with the force section on it colludes position between the portion of closing and the connecting portion, supply finger or other instrumental purposes in this, collude the portion of closing and move and pull elastic arm and drive, to collude the portion of closing and electronic component is taken out when separating with the ora terminalis of electronic component thereby make towards direction away from electronic component.

What can expect is, the employing the beneficial effects of the utility model are, this latching system can keep after the electronic component stationary positioned not only that it is up unlikely or deviate from towards two side direction, and it is simple to operate, need not to impose on big acting force can take out electronic component easily, thereby avoids that excessive damage buckle holding unit or cause it can't elasticity recovery because of exerting oneself.

Description of drawings

Fig. 1 is existing common a kind of latching system schematic perspective view.

Fig. 2 is the stereographic map of the utility model latching system embodiment.

Fig. 3 is that latching system shown in Figure 2 is assembled in the schematic perspective view on the printed circuit board (PCB).

Fig. 4 is the synoptic diagram of electric connector connection procedure on pci card and the printed circuit board (PCB).

Fig. 5 is that back, pci card location is by schematic perspective view before the latching system snap close.

Fig. 6 is the enlarged drawing of local A among Fig. 5.

Schematic perspective view when Fig. 7 is latching system pinning pci card.

Fig. 8 is the enlarged drawing of local B among Fig. 7.

Among the figure, latching system 1,10, substrate 2, button pin 3, holding part 4, clamping part 5, web joint 6, hook part 7, pedestal 11, buckle holding unit 12, position block 13, connecting portion 14, elastic arm 15 colludes the portion of closing 16, force section 17, touch push pedal 170, positive stop 18, body 19, with carrier 20, snap close pin 21, pci card 30.

Embodiment

As shown in Figure 2, latching system 10 of the present utility model comprises pedestal 11, buckle holding unit 12 and two position blocks 13, and wherein buckle holding unit 12 and position block 13 all are positioned at the same surface of pedestal.In the present embodiment, pedestal 11 is flat plate bodys that are rectangle substantially, is the purpose of weight reduction and saving material, and the center section of this pedestal 11 is set to hollow form and is U type structure.

Buckle holding unit 12 is that the U type bottom position with pedestal 11 lengthwises is vertically upward and is provided with, and after latching system 10 was assembled into printed circuit board (PCB) (PCB) and goes up, the U type distance from bottom pci card 30 of buckle holding unit 12 place pedestals 11 was far away relatively.Buckle holding unit 12 comprises connecting portion 14, elastic arm 15 and colludes the portion of closing 16, wherein, the part of connecting portion 14 be fixed on the pedestal 11 and with pedestal 11 Surface Vertical; Elastic arm 15 is that connecting portion 14 extends in parallel substantially towards pedestal 11 other ends away from this connecting portion 14, and the end of elastic arm 15 is free state; The portion of closing 16 of colluding that is provided with is extended towards close pci card 30 in free terminal position at elastic arm 15.The described lower surface of the portion of closing 16 and the surface of pedestal 11 and the upper surface of the pci card 30 behind the location of colluding is parastate, and its lower surface contacts with the upper surface of pci card 30 after pci card 30 installing and locating just, takeoffs up because of vibration to prevent pci card 30; The upper surface that colludes the portion of closing 16 then is made as the inclined-plane towards its end tilts.So, when pci card 30 running fix down, with finger or when instrument pushes elastic arm 15 in advance open, this pci card also can be directly collude the portion of closing 16 by extruding and promote elastic arm 15 towards moving away from pci card 30 directions, thereby allows pci card 30 to locate by the back.

The position is provided with force section 17 between portion of closing 16 and the elastic arm 15 colluding, this force section 17 is to be positioned in the middle of the pedestal 11 and crooked laterally formation, and tilt to extend to be provided with to pedestal 11 outsides up and simultaneously in its bending part and touch push pedal 170, for finger or other instruments are connected to this towards pedestal 11 outsides away from the pci card 30 direction application of forces, thereby elastic arm 15 is outwards moved.Because have suitable distance between described force section 17 and the connecting portion 14 as fulcrum, and have than long acting force arm, thereby imposing less power can be easier to elastic arm 15 free terminals are moved outwardly, and easily control the big or small unlikely firmly excessive of the application of force, avoid causing buckle holding unit 12 to fracture or exceed its elastic range and can't reply, promptly mainly be meant elastic arm 15 frangibility not for connecting portion 14, because although elastic arm 15 free terminal displacements may be bigger, but because of the existence of the longer arm of force, its position near connecting portion 14 is moved less on the contrary.Based on this reason, in the present embodiment, force section 17 is located at the position of more close elastic arm 15 free terminals.In addition, will be appreciated that force section 17 relative resilient arms 5 are outwardly-bent, the finger or the space of other instrumental purposes are provided, the operation of pulling of obviously being more convenient for.

What is more important, please further consult Fig. 2, the portion of closing 16 of colluding on pedestal 11 is provided with positive stop 18 towards the extension of pedestal 11 outsides, this positive stop 18 extends outwardly from the lateral margin of pedestal 11, and pedestal 11 surfaces are towards the upper process certain altitude relatively, positive stop 18 and elastic arm 15 free terminals are at a distance of certain distance, and its upper surface is higher than the bottom of elastic arm 15 free terminals at least.In addition, the end of positive stop 18 is overlapping with elastic arm 15 along the part on pedestal 11 longitudinallies.By this structure, can allow the predefined distance of elastic arm 15 side shifting outside pedestal, when elastic arm 15 is connected to positive stop and limit and be moved further.This predefined distance with collude the portion of closing 16 break away from pci cards 30 ora terminalis the distance that should move identical substantially, thereby support when terminating in positive stop 18 in mobile outwardly this set distance of elastic arm 15, the terminal lucky ora terminalis from pci card 30 that colludes the portion of closing 16 separates, thereby can successfully pci card 30 be taken out.

See also Fig. 2 again,, extend upward perpendicular to pedestal 11 surfaces substantially, be respectively equipped with position block 13 from the appropriate location of 11 liang of ora terminalis of pedestal at the relatively short two ends of U type pedestal 11.Described position block 13 comprises the body 19 and carrier 20 that is vertical setting mutually, and carrier 20 is perpendicular to body 19 and towards the matrix 11 inboard certain distances that extend.As shown in Figure 2, in the present embodiment, body 19 is upright plate body basically with carrier 20, vertical range between two bodies, 19 apparent surfaces be set to pci card 30 both sides between width identical, the height of carrier 20 is lower than body 19, and behind pci card 30 location, the inside surface of body 19 is parallel with the lateral margin of pci card 30 substantially.So, pci card 30 is after being connected with electric connector and locating, its corresponding lower surface away from electric connector one end can be resisted against carrier 20 tops just, and avoid the free end of pci card 30 to move excessively down, two bodies, 19 facing surfaces also are abutted against in the lateral margin of two pci cards 30 just separately simultaneously, and PCI is therebetween ccontaining.Need to prove that though two position blocks 13 shown in Figure 2 are not to be to be symmetrical arranged, in fact both are symmetrical arranged the function that also can reach fully pci card 30 location, without any the difference on the effect.

For this latching system 10 being fixed on the printed circuit board (PCB) (PCB), in the opposite end of U-shaped pedestal 11 inboard appropriate location near position block 13, be provided with snap close pin 21 towards extending with position block 13 reverse directions respectively, this two snap closes pin 21 corresponds respectively to fixed orifice setting set on the printed circuit board (PCB).Please in conjunction with consulting Fig. 3, when latching system 10 was assembled to printed circuit board (PCB), this two snap closes pin 21 was fixed in the fixed orifice of printed circuit board (PCB) just.

As Fig. 4, Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, in Fig. 4, when using pci card 30, oblique insertion earlier and being connected with electric connector on the printed circuit board (PCB), promoting PCI again moves near pedestal 11 down, when the ramp of the portion of closing 16 is colluded in the contact of the ora terminalis of pci card 30, promote elastic arm 15 side shifting outside pedestal 11, thereby allow that pci card 30 moves down by continuing.At this moment, have the long arm of force because collude the portion of closing 16 apart from connecting portion 14, imposing on less power in pci card 30 upper surfaces can relatively easily outwards push elastic arm 15 open.In Fig. 5 and Fig. 6, when the free terminal outside surface of elastic arm 15 supports when terminating in positive stop 18, colluding the terminal of the portion of closing 16 separates with the ora terminalis of pci card 30 just, and the little upper surface that is higher than pci card 30 of its lower surface, the lower surface of pci card 30 then are resisted against the top of carrier 20 of the position block 13 at pedestal 11 two ends.

In Fig. 7 and Fig. 8, when thereby the lower surface of pci card 30 is connected to the location, top of carrier 20, collude the elastic-restoring force of the portion of closing 16 because of elastic arm 15, and move towards the direction near pci card 30, and when replying fully, fasten the upper surface of pci card 30, thereby, prevent that pci card 30 from takeofing because of improper external force effect with pci card 30 lockings.At this moment, the inside surface of the body 19 of pedestal 11 two ends position blocks 18 is adjacent to the both side edges of pci card 30 just, prevent pci card 30 because of the side direction acting force of outside towards rolling to each side.

It is evident that, when desire with pci card 30 when latching system 10 takes out, only with hand refers to or other instrumental purposes touch push pedal 170 on force section 17, and towards matrix 11 outsides promotion elastic arm 15, because the existence of the longer arm of force, use this moment less power can be easily to push open and separate outwardly, thereby take out pci card 30 easily with the ora terminalis of pci card 30 with colluding the portion of closing 16.

Although in the present embodiment, carrier 20 is one-body molded and form position block 13 jointly with body 19, what can expect is, under the situation that does not influence other structures and function on other pedestals 11, carrier 20 also can separate with body 19, and being arranged on any appropriate location of pedestal, 18 of position blocks meaned and referred to simple body 19 this moment.

And what need further specify is the force section to be set for the utility model separately on elastic arm 15, and inessential, because can directly collude ramp side shifting outside matrix 11 of the portion of closing 16 when taking out pci card 30 with hand or instrument promotion.Certainly, also the push pedal 170 of touching of force section 17 upwards and towards the pedestal lateral direction can be tilted and is directly arranged in the top of colluding the portion of closing 16, can reach identical functions and effect.

Description by above the utility model specific embodiment, can be well understood to technology contents of the present utility model, also can know simultaneously and know, the utility model is fairly obvious compared to the advantage of the existing latching system that adopts, by structural designs such as elastic arm, positive stops, the easy size of the control application of force excessively causes the buckle holding unit excessive deformation to damage or produces elastic fatigue because of exerting oneself when preventing that latching system from opening, raising product serviceable life; The setting of the position block by the pedestal both sides causes loose contact because of rolled to each side by improper external force effect court when avoiding pci card 30 to use.

Only it should be noted that, the above record person of institute only is the specific embodiment of the utility model technology contents, any personage who is familiar with this technology uses modification, the variation that the utility model is done in this area, all belongs to claim of the present utility model, and is not limited only to present embodiment description person.

Claims

1, latching system, be used for the electronic component snap close is located, comprise pedestal and extend the buckle holding unit of setting up from pedestal one side, it is characterized in that, buckle holding unit comprises connecting portion, elastic arm and colludes the portion of closing, the connecting portion that part is fixed on the pedestal is provided with elastic arm towards the other end extension of pedestal, and the end of elastic arm is free state and is provided with the portion of closing of colluding.

2, latching system according to claim 1 is characterized in that, the opposite end of pedestal is respectively equipped with position block.

3, latching system according to claim 1 is characterized in that, the position of the contiguous elastic arm free terminal of pedestal is provided with positive stop.

According to claim 1 or 2 or 3 described latching systems, it is characterized in that 4, the appropriate location of pedestal is extended and is provided with at least one carrier up.

5, latching system according to claim 4 is characterized in that, carrier is and the one-body molded integral body that becomes of position block that wherein carrier is adjacent to position block and is provided with towards inboard extension of matrix.

6, latching system according to claim 2 is characterized in that, the position of the contiguous elastic arm free terminal of pedestal is provided with positive stop.

7, latching system according to claim 6 is characterized in that, the appropriate location of pedestal is extended up and is provided with at least one carrier.

8, latching system according to claim 7 is characterized in that, carrier is and the one-body molded integral body that becomes of position block.

9, according to claim 1 or 2 or 3 described latching systems, it is characterized in that, be provided with the force section in the elastic arm appropriate location of colluding between the portion of closing and the connecting portion.

10, according to claim 1 or 2 or 3 described latching systems, it is characterized in that, directly outside pedestal, tilt also to extend directly to be provided with up and touch push pedal at the top of colluding the portion of closing.