CN201556745U - Connector for electronic card - Google Patents

Abstract

The utility model discloses a connector for an electronic card, which at least comprises an insulating body, a plurality of conducting terminals fixedly held on the insulating body, a card withdrawing mechanism and a shielding shell, wherein the shielding shell is covered on the insulating body, and defined with the insulating body, thus forming a containing space for containing the electronic card; the shielding shell comprises a main body part above the containing space, and two side walls which are bent and extended from two sides of the main body part; the card withdrawing mechanism is installed on the insulating body and positioned at one side of the containing space, and comprises a sliding part sliding along the inserting and pulling direction of the electronic card relative to the insulating card; one side wall of the shielding shell, away from the card withdrawing mechanism, is provided with a concave piece sunk in the containing space; and the sliding part is provided with a hollow part. By the concave piece sunk in the containing space and the sliding part with the hollow part, the minor error of the exterior size of the electronic card can be absorbed, the utilization ratio of the electronic card is improved, and simultaneously, the electronic card can be stably held and contained in the containing space, thus guaranteeing stable signal transmission between the electronic card and the conducting terminal.

Description

Electronic card coupler

[technical field]

The utility model relates to a kind of electronic card coupler, refers to be used to connect the electronic card coupler of electronic cards and printed circuit board (PCB) especially.

[background technology]

Along with the fast development of consumption electronic products such as mobile phone, digital camera, especially under the prerequisite that the function of various electronic products is rapidly expanded, the memory capacity of these equipment itself can not satisfy the demands of consumers.Therefore, electron production merchant adds electronic card coupler and connects outside storage card medium in electronic equipment, to expand the memory capacity of electronic equipment.Mat is installed on the electronic card coupler on the electronic equipment, realizes that the signal between the interior printed circuit board (PCB) of electronic cards and electronic equipment is connected.

Related art please refer to Chinese patent and announces shown in the CN2840383Y, the electronic card coupler of its announcement comprises insulating body, be covered in shielding casing on the insulating body, be fixed in the plurality of conductive terminals on the insulating body and be positioned at the trip mechanism that insulating body one side is used to move back card, and wherein insulating body and shielding casing define to be formed with and have the card receiving space that inserts mouthful; Electronic cards is from inserting mouthful insertion card receiving space to reach electric connection with conducting terminal, when electronic cards is connected with conducting terminal is stable, the electronic cards both sides respectively with shielding casing sidewall and trip mechanism one side butt, electronic cards is stabilized and is immobilizated in the card connector by this.

But, miniaturization development trend along with electronic installation, the overall space of electronic installation dwindles gradually, therefore each parts of electronic card coupler installed in it and quality of fit each other thereof require also to improve constantly, so need be in the problem that solves reliable fit between each part under the situation that keeps the electronic card coupler relative volume.Therefore existing electronic card coupler for being immobilizated in quietly in the receiving space of assurance electronic cards, need improve constantly the accuracy of manufacture, so that the stable of electronic cards and card connector connects in manufacture process.So, along with the raising of the accuracy of manufacture, will increase the manufacturing cost of whole electronic card coupler.

In addition, electronic cards manufacturer is numerous at present, and each producer's accuracy of manufacture requires different, finally cause being not quite similar between the electronic cards overall dimensions of same size on the market, there is slight errors each other, so, will influences the stable of electronic cards and electronic card coupler and connect.

In view of above problem, be necessary to provide a kind of improved electronic card coupler in fact, to address the above problem.

[utility model content]

The purpose of this utility model is to provide a kind of electronic card coupler, and it can stablize the electronic cards that fixing connects with it, also can absorb the slight errors of electronic cards overall dimensions simultaneously.

For achieving the above object, the utility model provides a kind of electronic card coupler, and it comprises insulating body at least, is immobilizated in plurality of conductive terminals, trip mechanism and shielding casing on the insulating body; Described shielding casing is covered on the insulating body and defines with insulating body and is formed with the receiving space of accommodating electronic cards, described shielding casing comprises that the main part and the autonomous body both sides that are positioned at the receiving space top bend the two side of extending, described trip mechanism is installed on the insulating body and is positioned at receiving space one side, and it comprises that insulating body is along the sliding part of electronic cards plug direction slip relatively; Described shielding casing is provided with recessed that is depressed in the receiving space away from one of trip mechanism sidewall, and described sliding part is provided with cavern part.

Compared with prior art, the utility model electronic card coupler has the following advantages at least: the sliding part that its mat is depressed in recessed in the receiving space and is provided with cavern part can absorb the slight errors of electronic cards overall dimensions, improves the utilization rate of electronic cards; Recessed of mat and rubber-like sliding part can make the electronic cards stable holding be contained in the receiving space simultaneously, have guaranteed the stabilization signal transmission between electronic cards and the conducting terminal.

[description of drawings]

Fig. 1 is the stereogram of the utility model electronic card coupler when not inserting electronic cards.

Fig. 2 is the not stereogram of other direction during plug-in card of the utility model electronic card coupler.

Fig. 3 is the utility model electronic card coupler three-dimensional exploded view.

Fig. 4 is the stereogram after the shielding casing of the utility model electronic card coupler separates.

Fig. 5 is the state diagram in the utility model electronic card coupler electronic cards insertion process.

[embodiment]

Describe the embodiment of the utility model electronic card coupler 100 in detail below in conjunction with accompanying drawing.

See also Fig. 1 to shown in Figure 5, the utility model electronic card coupler 100 is used to accommodate an electronic cards 6, it comprises an insulating body 1, somely accommodates the conducting terminal 2 that is fixed on the insulating body 1, is installed on the trip mechanism 3 of insulating body 1 one sides and covers insulating body 1 and the shielding casing 4 of trip mechanism 3, wherein, described insulating body 1 and the shielding casing 4 common electronic cards receiving spaces 5 that form.

Please continue to consult Fig. 1 to shown in Figure 5, a fixing rib 10 and a sidewall 11 that insulating body 1 comprises a base portion 13, extended to form forward by base portion 13 two side ends, while base portion 13 upwards vertical extent forms rear wall 14, convex with reference column 140 on the rear wall 14 and be concaved with embedding mouth 141, the sidewall 11 of insulating body 1, base portion 13 and rear wall 14 form the receiving space 5 of electronic cards with shielding casing 4.

Be provided with the inserting part 12 that connects described fixing rib 10 and sidewall 11 near the medium position place at fixing rib 10 and sidewall 11 front ends, described inserting part 12 is provided with the conducting terminal 2 of some spaces, the sidewall 11 and inserting part 12 junctions of described insulating body 1 are provided with the conduit 110 that the guiding electronic cards is inserted, be formed with between this conduit 110 and insulating body 1 sidewall 11 resettlement section 112 of accommodating trip mechanism 3 is installed, these 112 adjacent end places, resettlement section are provided with the through slot 1120 that connects insulating body 1; Sidewall 11 ends are provided with location division 113, described location division 113 does not inwardly protrude out with respect to side outside sidewall 11 main parts (indicate), and the side is provided with some first projections 115 and in order to the location and is arranged at first butting section 114 between first projection 115 outside the sidewall 11 simultaneously.Similar therewith also correspondingly on the side outside the fixing rib 10 is interval with second projection 103 and is arranged at second butting section 102 between second projection 103, and the side of fixing rib 10 also convexes with stop block 101 simultaneously.

See also shown in Figure 3, conducting terminal 2 comprises some separate conducting terminals, described conducting terminal all have with electronic cards reach electrical contact docking section 21, be welded in the weld part 22 of circuit board (not shown) and be connected the fixed part (not label) in the inserting part 12 of being fixed in of docking section 21 and weld part 22.

Shielding casing 4 has plate-like body portion 40 and is extended to form the first side wall 41, second sidewall 42 that comprises some retaining sheets (indicating) by this main part 40 downwards, wherein be arranged at intervals with the opening 412 that matches with first projection 115 that is provided with at interval on insulating body 1 sidewall 11 on the first side wall 41, described sidewall 41 has to be provided with between the retaining sheet of opening by what shielding casing 4 main parts 40 bendings were downwards extended and pushes shrapnel 411, and described shell fragment 411 is resisted against on the butting section 114 of insulating body 1 sidewall 11.The bent sheet 413 that the first side wall 41 front ends have weld part matches with the location division 113 of insulating body 1 sidewall 11 front ends, and bent sheet 413 is being provided with a recess 402 to cooperate the location that is implemented on the left and right directions shielding casing 4 with snap close piece 1130 on the location division 113 with shielding casing 4 main parts 40 front end junctions.

Second corresponding with the first side wall 41 on the shielding casing 4 sidewall 42 also comprises some retaining sheets that are provided with opening 422, between described retaining sheet, also be provided with and push shrapnel 421, second sidewall 42 is formed with recessed 425 that gives prominence to receiving space 5 sunken insides near the card insert opening place, second sidewall, 42 bottom front of this recessed 425 correspondence form a weld part that bends inwards 424, and second sidewall 42 has the stop block 101 of a breach 423 in order to buckle fixing rib 10 front ends with weld part 424 contiguous places, reaches the purpose at fore-and-aft direction location shielding casing 4.

Extension downwards is provided with bonding pad 43 to shielding casing 4 from its main part 40 rear ends, and these bonding pad 43 correspondences are contained in the embedding mouth 141 of insulating body 1 rear wall 14.These shielding casing 4 main parts 40 dash to establish with trip mechanism 3 corresponding positions and are formed with elasticity pressing tablet 401.

Please continue to consult Fig. 1 to shown in Figure 4, it comprises slide block 30, spring 31, guide bar 32 and snap close shell fragment 33 trip mechanism 3; Slide block 30 comprises body 300 that is slidingly mounted in the resettlement section 112 and the pushing part with guiding face 303 301 of giving prominence in body 300 1 side direction receiving spaces 5; Be formed with among this pushing part 301 and can make pushing part 301 have preferable flexible cavern part 302, these pushing part 301 inboard perforations are formed with fixing hole 304 simultaneously; The body 300 of described slide block 30 is recessed to form intentionally type guide groove 305 near card insert opening one side, and opposite side is formed with the containing hole 306 of putting spring 31.

Described slide block 30 is assembled in the resettlement section 112 of insulating body 1 sidewall 11, and spring 31 1 ends are immobilizated in the reference column 140 that is provided with on insulating body 1 rear wall 14, and the other end is contained in the containing hole 306 of slide block 30; Guide bar 32 1 ends are pivotally connected to colluding in the hole 1131 on the location division 113 of insulating body 1 sidewall 11, the other end slides in the heart type guide groove 301, elasticity pressing tablet 401 elasticity that are provided with on the shielding casing 4 press on this guide bar 32, realize smooth motion to guarantee guide bar 32; Snap close shell fragment 33 1 ends are formed with slide block 30 fixing holes 304 interferes fixing fixed part 331, the other end is formed with the latch part 332 that cooperates with electronic cards 6 one side breach, wherein, when electronic cards is not inserted, snap close shell fragment 33 is kept the favorable elasticity of snap close shell fragment 33 by this corresponding to through slot 1120 places of insulating body 1.The start principle of trip mechanism 3 is the industry known techniques, is not described in detail in this.

The position relation that shielding casing 4 is assembled in behind the insulating body 1 please be joined Figure 1 and Figure 2, wherein shielding casing 4 is assembled in the process of insulating body 1, can press down shell fragment 411,421 with corresponding butting section 114,102 Elastic Contact, because shell fragment 411 vertical portions and insulating body 1 butting section height sum are slightly larger than the height after shielding casing 4 is assembled in insulating body 1, make that shell fragment 411 produces certain elastic deformation in assembling process, butting section 114 and 102 offers 4 one active forces that make progress of shielding casing after assembling external force disappears, the elastic force that recovers deformation by the shell fragment 411 of shielding casing 4 makes that corresponding projection closely cooperates on opening and the insulating body 1 of shielding casing 4 sidewall retaining sheets, realizes the accurate location of shielding casing 4 and insulating body 1.So structure is arranged so that can there be the gap in the shielding casing 4 that is assembled in insulating body 1 after assembling, and each weld part had good coplane degree when shielding casing 4 after guaranteeing to assemble and conducting terminal 2 were welded in circuit board.

Please refer to shown in Figure 5ly, when electronic cards 6 was inserted, it inserted in the receiving spaces 5 along conduit 110, and the inclined plane of mat one side cooperates with guiding face 303 butts of slide block 30 and drives slide block 30 and 112 slide into conducting terminal 2 and stablize contact position along the resettlement section; When electronic cards 6 was inserted fully, the one side contacted with shielding casing 4 second sidewalls 42, and opposite side contacts with pushing part 301 lateral margins of slide block 30.

The setting of mat cavern part 302 can increase the elastic deformability of slide section 30, exist under the situation of slight errors in electronic cards 6 overall dimensions, shielding casing 4 can absorb the foozle of electronic cards 6 smoothly to recessed 425 of receiving space 5 sunken insides and slide block 30 with elastic deformation force, even and then the assurance overall dimensions exist the electronic cards 6 of small foozle also can normally use by this electronic card coupler 100.Elastic deformation force when the existence of mat cavern part 302 can increase slide block 30 with electronic cards 6 butts simultaneously, and then make electronic cards 6 stable holding between pushing part 301 lateral margins of recessed 425 of shielding casing 4 and slide block 30, transmit to guarantee signal stable between electronic cards 6 and the conducting terminal 2.

The above only is a kind of execution mode of the present utility model, it or not whole or unique execution mode, the variation of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model specification is claim of the present utility model and contains.

Claims (6)

1. an electronic card coupler comprises insulating body at least, is immobilizated in plurality of conductive terminals, trip mechanism and shielding casing on the insulating body; Described shielding casing is covered on the insulating body and defines with insulating body and is formed with the receiving space of accommodating electronic cards, described shielding casing comprises that the main part and the autonomous body both sides that are positioned at the receiving space top bend the two side of extending, described trip mechanism is installed on the insulating body and is positioned at receiving space one side, and it comprises that insulating body is along the sliding part of electronic cards plug direction slip relatively; It is characterized in that: described shielding casing is provided with recessed that is depressed in the receiving space away from one of trip mechanism sidewall, and described sliding part is provided with cavern part.

2. electronic card coupler as claimed in claim 1, it is characterized in that: described sliding part comprise the body that contacts with insulating body and slide and from body one side-prominent to the receiving space with the pushing part of electronic cards sidewall butt, described cavern part breakthrough form is formed on the pushing part.

3. electronic card coupler as claimed in claim 2, it is characterized in that: indent forms intentionally type guide groove and containing hole on the body of the sliding part of described trip mechanism, and described trip mechanism comprises that also an end is connected to a spring and the end that the other end is placed in the described containing hole on the insulating body and is fixed in the guide rod that the other end slides on the insulating body in heart type guide groove.

4. electronic card coupler as claimed in claim 3, it is characterized in that: the pushing part of described sliding part is provided with fixing hole, described trip mechanism also comprises interferes the snap close shell fragment be fixed in this fixing hole, this snap close shell fragment can with the breach snap fit of electronic cards one side.

5. electronic card coupler as claimed in claim 4 is characterized in that: the snap close shell fragment corresponding position of described insulating body and trip mechanism connects and is provided with through slot.

6. electronic card coupler as claimed in claim 3 is characterized in that: the guide rod corresponding position of described shielding casing main part and trip mechanism is provided with downward extension and pushes pushing shrapnel of guide rod.

Images