CN2520578Y

CN2520578Y - Edge-fastening connector

Info

Publication number: CN2520578Y
Application number: CN01276631U
Authority: CN
Inventors: 邵明波
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2001-12-19
Filing date: 2001-12-19
Publication date: 2002-11-13
Anticipated expiration: 2011-12-19

Abstract

The utility model discloses a card-edge connector for inserting electric cards, such as graphic cars, I / O cards, network cards, sound cars and VIDEO cards, into P C and servers. The utility model comprises an insulation body and a plurality of conductivity terminals housed in the body, wherein a cross-long-shaped slot is arranged on the central position of the upper surface of the insulation body, a plurality of terminal housing holes are arranged on the two side slotted walls of the slot. The conductivity terminals are held in the relative terminal housing holes, and the front end of the terminals is contacted with the card electric property, and the rear end is connected with the circuit board. Two pairs of elastic cards are symmetric, which are equipped on the two end sides of the upper surface of the insulation body. A slit housing the two sides of the card is arranged between the two elastic cards positioned one lateral end of the body, and a wedge-shaped convex rib is disposed on the upper portion of the two opposite inner walls of the slot. With the design, the housing and limiting effect of an inserted-card is efficiently provided, thereby achieving the stable electric contact of the inserted-card.

Description

Bayonet connector

[technical field]

The utility model provides a kind of bayonet connector, refers to especially a kind ofly have fixing structure and can be used to the fixedly bayonet connector of electronic cards.

[background technology]

Continuous development and innovation along with science and technology, some products are through various problems occurring after client's the utilization, the needs that can not adapt to scientific technological advance, inevitable requirement people bring into play its enthusiasm with creative, constantly develop the product that makes new advances, make new product and new function constantly weed out the old and bring forth the new overcoming the defective of existing product, thereby make the function of product be able to improve more to adapt to and to promote scientific and technical continuous development and progress.

U.S. Patent application the 5th, 059,133,4,952,162,4,846, all disclosed a kind of bayonet connector No. 729.The upper surface of these bayonet connectors is concaved with the slot of lengthwise shape, electronic cards (calling plug-in card in the following text) for specific standard is pegged graft, the slot both sides contain plurality of terminals and contact with the golden finger with the plug-in card ora terminalis, the tail end of conducting terminal is in order to be welded on the circuit board, by the current-carrying part of plug-in card and contacting of connector conducting terminal, thereby realize electrically conducting of plug-in card and circuit board.Yet, between these bayonet connectors and the plug-in card because of the auxiliary position limiting structure of plug-in card is not set, when plug-in card is plugged in the connector, the phenomenon that plug-in card rocks can appear, and then cause plug-in card to contact consequences such as instability and signal interruption with connector, influence client's normal use.

For increasing the steadiness of winding between card-type electronic element and the corresponding electric connector, usually need adopt fixture.United States Patent (USP) the 6th, 210 has disclosed a kind of bayonet connector with engaging arms No. 195, and this engaging arms extends outward from a side of insulating body, simultaneously be provided with on the engaging arms one with a side edge of electronic cards on the corresponding through hole in position of the groove that is provided with.Locked instrument is inserted in the groove of electronic cards by the through hole of the engaging arms of bayonet connector, thereby electronic cards is fixed in the bayonet connector.Yet electronic product tends to compactization direction gradually to be developed to adapt to the miniaturization development trend of electronic applications.The motherboard of electronic installation, be fixed on the electric connector on the motherboard and other electronic installations that join with motherboard and other elements on the electronic installation and also tend to miniaturization, and the density that is fixed on the electric connector on the motherboard also increases gradually, thereby is used for the information that transmission speed is fast, quantity is big.United States Patent (USP) the 6th, 210, the bayonet connector that discloses for No. 195 is to be fixed in to have on the highdensity electric connector, because the element that the close position of electric connector is installed is intensive, so be difficult to and be used for fixing electronic cards in the groove of locked instrument by through hole insertion electronic cards, thereby make troubles to the user, and bayonet connector must depend on an independent locked instrument and electronic cards could be fixed in wherein, thereby increased component number, make processing procedure complexity, the manufacturing cost of product increase, and be unfavorable for that product is towards the miniaturization development trend.

Therefore, be necessary to provide a kind of property improved bayonet connector to overcome the defective that prior art exists.

[summary of the invention]

Main purpose of the present utility model is to provide a kind of bayonet connector with elastic card, and it can effectively provide the fixing position-limiting action to plug-in card, thus make plug-in card the situation of rocking be improved significantly, and then reach stable electrically contact to plug-in card.

Another purpose of the present utility model is to provide a kind of bayonet connector, and its insulating body is provided with elastic card, and this elastic card is to be shaped on the insulating body, and processing procedure is simple, with low cost, and this elastic card is convenient to user's plug-in card of pegging graft.

For achieving the above object, the utility model adopts following technical scheme: bayonet connector includes insulating body and is housed in the interior plurality of conductive terminals of insulating body, wherein a side of insulating body is a upper surface, the position is concaved with lengthwise shape slot in the central, the both sides cell wall of this slot is provided with several terminal accommodation holes, plurality of conductive terminals is housed in the respective terminal accepting hole, the terminal front end is used for electrically connecting the plug-in card of insertion, terminal ends is connected with circuit board, the upper surface both end sides one of insulating body is extended two pairs of elastic cards, the upper surface of these elastic cards and insulating body is an obtuse angle, its end all is horizontal plane, be provided with a slit to accommodate the both sides of plug-in card between two elastic cards of the same side of body, its two relative upper inside wall is provided with a wedge shape fin.

Compared with prior art, the utility model is by extending two pairs of elastic cards in insulating body two ends one, thereby makes it under the constant substantially situation of the manufacturing cost of product, reaches plug-in card is carried out effect spacing and that avoid plug-in card to rock.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model bayonet connector and plug-in card.

Fig. 2 is the constitutional diagram of Fig. 1.

Fig. 3 is the front view of the utility model bayonet connector.

Fig. 4 is the vertical view of the utility model bayonet connector.

Fig. 5 is the upward view of the utility model bayonet connector.

Fig. 6 is the end view of the utility model bayonet connector.

[embodiment]

See also shown in Figure 1, it is that plug-in card 4 is pegged graft that the utility model bayonet connector 1 is arranged on the subcard of can powering on the circuit board (not shown), the holding parts 41 that plug-in card 4 has contact site 40 and extends to both sides from contact site 40, the bottom of contact site 40 has insertion end 42, be respectively equipped with on the both sides apparent surface of insertion end 42 with slot in the corresponding current-carrying part 43 in conducting terminal 3 positions.

Please cooperate and consult Fig. 3, the utility model bayonet connector 1 includes insulating body 2 and is housed in plurality of conductive terminals 3 in the insulating body 2, and wherein insulating body 2 is to combine by pedestal 21 and along the extended two pairs of elastic cards 22 of pedestal 21 upper surfaces 211 both end sides one.Upper surface 211 central position of the pedestal 21 of insulating body 2 are concaved with the slot 212 of lengthwise shape, and this slot 212 can be used for accommodating the contact site 40 of plug-in card 4.Be provided with several terminal accommodation holes 213 on the cell wall of the both sides of slot 4, the first half of both sides terminal accommodation holes 213 and slot 212 intersect, and plurality of conductive terminals 3 is housed in the respective terminal accepting hole 213.In addition, respectively be provided with the stop section 215 that end is horizontal plane in four corners of the basal surface 214 of pedestal 21, in order to be connected on the circuit board.

See also Fig. 3 to Fig. 6, two pairs of elastic cards 22 are the fixing structure of this case, it is the both end sides that is symmetricly set in pedestal 21 upper surfaces 211, its all obliquely symmetry extend and form an obtuse angle with pedestal 21 upper surfaces 211, the end of these elastic cards all is horizontal plane 221, the front surface of elastic card 22 that is positioned at the front side is mutually concordant with the front surface of pedestal 21, and the rear surface of elastic card 22 that is positioned at rear side is mutually concordant with the rear surface of pedestal 21.The outside of all elastic cards 22 is the vertical plane 222 that is parallel to pedestal 21 side walls 210, between two elastic cards of the same side of body, be provided with a slit 223 to accommodate the both sides holding parts 41 of plug-in card 4, the spacing of slit 223 is corresponding with the thickness of plug-in card 4, its two relative upper inside wall is provided with a wedge shape fin 224, is beneficial to guide plug-in card 4 and inserts and plug-in card 4 firmly is limited in wherein.

See also shown in Figure 1ly again, conducting terminal 3 comprises having microscler pin hole and be arc bend 30, be fixed in the contact site 31 in the terminal containing slot and be welded on weld part 32 on the circuit board.Terminal 3 is housed in the corresponding terminal accommodation holes 213, wherein the bend 30 of terminal 3 stretches out to slot 212 directions, electrically contact with current-carrying part 43 with plug-in card 4 insertion ends 42 places, the weld part 32 of these conducting terminals 3 stretch through out pedestal 21 basal surface 214 and be welded on the circuit board (not shown), be used for electrically connecting and being mechanically mounted on the circuit board, to realize electrically conducting between plug-in card 4 and the circuit board.

See also shown in Figure 2 again, after the utility model bayonet connector 1 is fixedly set on the circuit board (not shown), 4 of plug-in cards are inserted in the lengthwise shape slot 212 of this bayonet connector 1 above it, and the current-carrying part 43 of the insertion end 42 of its contact site 40 contacts with the contact site 31 of conducting terminal 3.42 of the both sides holding parts of plug-in card 4 are fastened in the slit 223 between the elastic card 22, and by fin 224 firm grip of elastic card 22, thereby give plug-in card 4 good position-limiting action, the phenomenon of effectively having avoided plug-in card 4 to rock.

Obviously, be easy to plug-in card 4 is immobilizated on the bayonet connector 1 by the elastic card 22 on insulating body 2 end walls 210, and do not need other attachment device, being easy to the client uses, the phenomenon of effectively having avoided plug-in card 4 to rock, and elastic card 22 is to be shaped on insulating body 2 end walls 210, and this processing procedure is simple, with low cost.

Claims

1. bayonet connector, it is arranged on the circuit board and pegs graft for plug-in card, mainly comprise insulating body and plurality of conductive terminals, wherein a side of insulating body is a upper surface, the position is concaved with lengthwise shape slot in the central, the both sides cell wall of this slot is provided with several terminal accommodation holes, plurality of conductive terminals is housed in the respective terminal accepting hole, the terminal front end can electrically contact with plug-in card, terminal ends is connected with circuit board, it is characterized in that: be provided with a pair of upwardly extending elastic card on the upper surface of insulating body at least, be retained in the bayonet connector so that plug-in card is stable.

2. bayonet connector as claimed in claim 1 is characterized in that: two pairs of elastic cards are symmetricly set on the both end sides of the upper surface of insulating body.

3. bayonet connector as claimed in claim 2 is characterized in that: the upper surface of elastic card and insulating body is an obtuse angle, and its end all is horizontal plane.

4. bayonet connector as claimed in claim 3 is characterized in that: the outside of elastic card is the vertical plane that is parallel to the sidewall of insulating body.

5. as claim 2 or 4 described bayonet connectors, it is characterized in that: between two elastic cards of the same side of insulating body, be provided with a slit to accommodate the both sides of plug-in card.

6. bayonet connector as claimed in claim 5 is characterized in that: the position of slit and the position of slot are provided with point-blank, and the spacing of slit is corresponding with plug-in card thickness.

7. bayonet connector as claimed in claim 6 is characterized in that: the two relative upper inside wall that are positioned at two elastic cards of the same side of insulating body are provided with fin.

8. bayonet connector as claimed in claim 7 is characterized in that: fin is arranged to wedge shape and is beneficial to guide that plug-in card inserts and plug-in card firmly is limited in wherein.