CN201112926Y

CN201112926Y - Anti-falling device for card connector

Info

Publication number: CN201112926Y
Application number: CNU2007201206350U
Authority: CN
Inventors: 蔡志鸿; 黄小春
Original assignee: Suyin Electronics Dongguan Co Ltd
Current assignee: Suyin Electronics Dongguan Co Ltd
Priority date: 2007-06-07
Filing date: 2007-06-07
Publication date: 2008-09-10
Anticipated expiration: 2017-06-07

Abstract

The utility model provides an anti-card-flying device for a card connector. The card connector comprises a cover body, an insulating body, a plurality of conductive terminals contained in the insulating body, and an anti-card-flying device. The anti-card-flying device also comprises a slide block, a spring, and an R-shaped spring chip arranged on the slide block. When the card connector is inserted into the electronic card, the withstanding part of the R-shaped spring chip can collide with the side gap on the free side of the electronic card, so as to carry out the detection and positioning via the step action of the R-shaped spring chip; when the card withdraws, the slide block is ejected by the spring, and the electronic card is also ejected synchronously; at the moment, the spring-proof part of the R-shaped spring chip fastens the gap of the card, which can effectively prevent the card from being ejected fully from the containing space due to the inertia effect. Using a circle part as buffer, the structure of the R-shaped spring chip has the advantages of fatigue resistance, increased strength, long service life and non-easy deformation, and has the characteristic of easy assembly.

Description

The anti-card device that flies of card connector

Affiliated technical field

The utility model system flies card device relevant for a kind of card connector is anti-, refers in particular to anti-the fly card device of a kind of R of utilization shape shell fragment as the buckle electronic cards.

Background technology

Present electronic equipment is for increasing memory capacity, the more and more employing expanded the circumscribed memory card, therefore in product, just must install card connector in order to electric signal is transferred to memory card, in various memory card, paid attention to by green grass or young crops with small memory card, because of its volume is urinated in the interior layout of electronic equipment, but small memory is stuck in from electronic equipment and takes out when moving back card, often excessive because of moving back card strength, cause the situation that flies card, and then card connector all is provided with the anti-card device that flies; Existing retreat-card device correlation technique, as laid-open U.S. Patents the 6th on January 21st, 2003,508, disclosed a kind of memory card connector for No. 402 with trip mechanism, this connector comprises the insulating body that is provided with stop block, be fixed in a plurality of conducting terminals on the insulating body, with the insulating body lid and being used in the plug-in card space that forms withdraws from memory card from the plug-in card space the trip mechanism that is clasped.Described trip mechanism comprises slide block and spring, and the stop block that the restoring force of slide block by spring compresses insulating body is installed on the insulating body.

Memory card with slide block slidably to blocking receiving space, and spring is replaced between slide block and insulating body, when moving back card, produces restoring force suddenly by spring slide block is ejected, memory card also goes out synchronously, the moment of ejecting, slide block quilt backstop is timely lived, but memory card is because action of inertia, and do not add any pin down and hinder, thereby and the fast bullet plug-in card space that flies out so that memory card is stained by bullet to ground or lost, caused inconvenience.

Though there is the connector manufacturer also to begin preventing flying to have set up on the card device to prevent that card from being ejected the parts or the part-structure design in plug-in card space, but the design of being done is not easy to the assembling of memory card connector, also be unfavorable for the raising of production efficiency, serviceability also has problem.

Therefore,, be necessary existing technology is carried out design improved in fact, prevent the optimal design that the card bullet flies when moving back card with the memory card connector that provides a kind of superior performance, can be convenient to produce again at the existing defective of above-mentioned connector.

Summary of the invention

At the defective that above-mentioned prior art exists, in order to overcome deficiency of the prior art, main purpose of the present utility model provides a kind of card connector prevents flying card device, and by establish a R shape shell fragment on slide block, memory card is flown by bullet when preventing locking card.

Another purpose of the present utility model provides that a kind of card connector is anti-to fly card device, utilizes the special construction of R shape shell fragment, produces stage cushioning effect, slowing down the power of moving back card, and increases the power of seizing on both sides by the arms to memory card.

In order to achieve the above object, the utility model provides a kind of card connector the anti-card device that flies, and this card connector comprises insulating body, is fixed in the interior a plurality of conducting terminals of insulating body, holds the upper and lower cover body that cooperates formation plug-in card space and be used for the anti-mechanism for card that flies that memory card withdraws from from the plug-in card space with insulating body.Should anti-fly mechanism for card comprises slide block, spring and is fastened on R shape shell fragment on the slide block.Described R shape shell fragment has a base portion, and base portion is provided with one and inserts the portion of holding, and inserts to hold the portion both sides and respectively be provided with an interference part, can insert to be held in the default ccontaining through hole of slide block the shell fragment card is set the position; Extend the sheathed space that is bent to form ring-like portion by base portion again, be sheathed on the set island portion of slide block; Other end song by ring-like portion sticks up the elasticity of extension arm, is bent to form clamping part in the end of elastic arm.When memory card inserted, the shell fragment clamping part can be conflicted the side breach of the free side of memory card and ejection to the location, and spring one end is replaced on slide block, and the other end is replaced on insulating body.When moving back card, because the restoring force of spring, memory card is skidded off with slide block synchronously by receiving space, card slides to certain distance, and the stopper section of insulating body can be replaced in the opposite end of spring institute top sliding block, and slide block stops suddenly sliding, meanwhile, the clamping part elasticity button of the R shape shell fragment on the slide block that is fastened on is held on the set breach of memory card, makes memory card be subjected to certain resistance simultaneously inertia-responsive, avoids it by the bullet plug-in card space that flies out.

This R shape shell fragment utilizes special structure, elastic arm produces the displacement effect earlier when doing, driving ring-like position then moves, the displacement structure of this kind stage can improve fatigue resistance, and can provide the excellent anti-effect that flies, the more existing design of the steadiness of structure simultaneously is better, assembles also comparatively firm.

For the personnel that utility model purpose of the present utility model and architectural feature can further be allowed be familiar with this technology understand, will cooperate appended graphicly, with a specific embodiment the utility model is further detailed.

Description of drawings

The constitutional diagram of Fig. 1 the utility model specific embodiment;

The exploded view of Fig. 2 the utility model specific embodiment;

Fig. 3 the utility model specific embodiment slide block and R shape shell fragment exploded view;

Fig. 4 the utility model specific embodiment slide block and R shape shell fragment different visual angles schematic diagram; And

Fig. 5 the utility model specific embodiment partial enlarged drawing.

The 1-card connector, 2,3-memory card 4-circuit board, 10,11-plug-in card space, 12-slide block, 13-R shape shell fragment, 14-spring, the 15-conducting terminal, 16-insulating body, 17-upper cover body, the 18-lower cover, 19-connecting rod, 21-breach, 121-island portion, 122-bends groove, the 123-slot, the 124-sidewall, 125-protuberance, the oblique stopper of 126-, the 127-reference column, the ccontaining through hole of 128-, 129-cam path, the 131-clamping part, the ring-like portion of 132-, the sheathed space of 133-, the 134-interference part, 135-inserts the portion, 136-base portion of holding, the 137-elastic arm, 162-stopper section, 150-neck

Embodiment

See also shown in Figure 1ly, be a specific embodiment of the present utility model, this embodiment is applicable to being electrically connected of two kinds of

memory cards

2,3 of size and a circuit board 4.As shown in Figure 2, this card connector includes up and down

lid

17,18, one insulating bodies 16, is contained in the plurality of conductive terminals 15 in this insulating body, and an anti-card device that flies.Should anti-fly card device and still comprise a slide block 12 and a spring 14, on slide block 14, be provided with a R shape shell fragment 13 simultaneously.Shown in Fig. 3,4, this R shape shell fragment 13 has a base portion 136, is provided with one and inserts and to hold portion 135 on this base portion 136, and an interference part 134 is respectively arranged in its both sides, base portion 136 places in the slot 123 of slide block 12, inserts the portion of the holding 135 slotting ccontaining through hole 128 internal interferences location of presetting in the slot 123 that are held in; The extension of end in addition by base portion 136 is bent to form ring-like 132 with sheathed space 133, in the island portion 121 that is provided with curved groove 122 of this ring-like 132 sidewall 124 that is sheathed on slide block 12, be placed in curved groove 122 for ring-like 132, island portion 121 is dissolved in the sheathed space 133 that forms by ring-like 132; Again by ring-like 132 hold song to stick up in addition to extend to form elastic arm 137, and the corresponding protuberance 125 that is convexly equipped with by slide block 12 oblique stoppers 126 can limit its open angle, is bent to form clamping part 131 in elastic arm 137 ends.

Slide block 12 is for cooperating the structure of R shape shell fragment 13, except structures such as general existing slot 123, sidewall 124, oblique stopper 126, guide pillar 127, cam path 129, the most important thing is to form curved groove 122 with a neck 150 on the sidewall 124, in curved groove 122, form an island portion 121,150 of above-mentioned necks can pin down the bending place of R shape shell fragment 13, make the island portion 121 that is arranged at that ring-like 132 of R shape shell fragment 13 can be firm; And the protuberance 125 that utilizes neck 150 first half front ends to be convexly equipped with by oblique stopper 126 is controlled the elastic arm 137 extension angles of R shape shell fragment 13; 123 of slots are preset with ccontaining through hole 128 and can hold portion 135 for R shape shell fragment 13 slotting and insert and hold.

As shown in Figure 5, when memory card 2 inserts grab 181 by lower cover 18 and combines formed plug-in card space 10 with the buckle 161 of body 16, the side breach 21 of the free side of these shell fragment 14 clamping parts, 131 conflict memory cards and its ejection is extremely located; By inserting the oblique stopper 126 that memory card 2 acts on slide block 12, compression is by the spring 14 of guide pillar 127 guidings, when memory card 2 gos deep into plug-in card space 10, act on cam path 129 by connecting rod 19, memory card 2 is positioned plug-in card space 10, form electric connection with conducting terminal 15,131 of the clamping parts of R shape shell fragment 13 prop up the breach 21 of memory card 2 at this moment.When moving back card, because the restoring force of spring 14, memory card 2 is ejected with slide block 12 synchronously by receiving space 10, slide to certain distance, the opposite end of 14 top sliding blocks 12 of spring is resisted against the stopper section 162 of insulating body 16, slide block 12 stops to slide, and the memory card generation has certain inertia, meanwhile, the clamping part 131 of set R shape shell fragment 13 is that the elasticity button is held on the set breach of memory card 21, make memory card 2 outside At time of ejects be subjected to certain resistance, thus avoid memory card 2 move back effect of inertia that Ka Shiyin produces by bullet fly out the plug-in card space may.

The utility model utilizes the special construction of R shape shell fragment 13, utilizes elastic arm 137 and ring-like 132 elastic reaction when button is held memory card 2, and stage cushioning effect can be provided, and slowing down the power of moving back card, and increases the power of seizing on both sides by the arms to memory card.

The utility model for embodiment and accompanying drawing, only the utility model is illustrated for doing, be to make and be familiar with purpose and the effect that this operator can understand the utility model strictly according to the facts, but not to the utility model any limitation in addition, the utility model also still can have other variation execution mode, so allly be familiar with this operator and carry out other pattern under this case utility model spirit and implement not breaking away from, the equivalence that all should be considered as this case claim is implemented.

Claims

1. a card connector prevents flying card device, comprise: insulating body (16), be fixed in insulating body plurality of conductive terminals (15), fix the lid up and down (2 cooperates formation plug-in card space with insulating body (16), 3) reach the anti-card device that flies, should anti-fly card device still include slide block (12) and, spring (14), it is characterized in that: this is anti-to fly card device and also comprises a R shape shell fragment (13); This R shape shell fragment (13) has a base portion (136), on this base portion (136), be provided with one and insert the portion (135) of holding, one interference part (134) is respectively arranged in its both sides, the extension of end in addition by base portion (136) is bent to form ring-like (132) with sheathed space (133), hold song to stick up in addition to extend to form elastic arm (137), be bent to form clamping part (131) by ring-like (132) again in elastic arm (137) end.

2. the anti-card device that flies of card connector as claimed in claim 1, it is characterized in that: the sidewall (124) of slide block (12) is gone up with a neck (150) and is formed curved groove (122), in curved groove (122), form an island portion (121), and be formed with a protuberance (125) by oblique stopper (126) in neck (150) first half front end.

3. the anti-card device that flies of card connector as claimed in claim 1, it is characterized in that: slide block (12) is for cooperating the structure of R shape shell fragment (13), still include slot (123), sidewall (124), tiltedly stopper (126), guide pillar (127), cam path (129) structure, then be preset with ccontaining through hole (128) at slot (123) and can hold portion (135) for R shape shell fragment (13) slotting and insert and hold.