CN201805031U

CN201805031U - Positioning device of circuit board

Info

Publication number: CN201805031U
Application number: CN2010205430338U
Authority: CN
Inventors: 吴其宗
Original assignee: JIAJIE INDUSTRIAL Co Ltd
Current assignee: JIAJIE INDUSTRIAL Co Ltd
Priority date: 2010-09-25
Filing date: 2010-09-25
Publication date: 2011-04-20
Anticipated expiration: 2020-09-25

Abstract

The utility model relates to a positioning device of a circuit board. A plurality of terminals penetrate through an inserting groove in a base of the positioning device; two sides of the inserting groove are extended outwards to be provided with support arms in the same direction; each support arm is respectively embedded and buckled by buckling parts of two metal elastic arms; each buckling part is extended to be provided with a bending elastic piece; two bending elastic pieces are respectively embedded into embedding grooves in the side edges of bases of two insulating clamping bodies, so that the two insulating clamping bodies are respectively and fixed arranged above the two metal elastic arms; and one sides of the bases of two insulating clamping bodies are respectively provided with a wrenching wing piece, and the other sides of the bases of the two insulating clamping bodies are respectively provided with a positioning clamping groove with a guiding inclined surface. In use of the positioning device, a preset circuit board is inserted into the inserting groove in the base, resists the guiding inclined surfaces of two insulating clamping bodies, and is pushed into the positioning clamping groove of each base, so that the preset circuit board is stably inserted into the base; and when the wrenching wing pieces of the two insulating clamping bodies are pressed with force, the preset circuit board can be withdrawn from the inserting groove in the base.

Description

The positioner of circuit board

Technical field

The utility model provides a kind of interface arrangement of circuit board, especially refer to that pedestal two sides are provided with the metal elastic arm and set firmly the positioner of insulation fastening convex side, cooperate the strain of each metal elastic arm by two insulation fastening convex sides, insert or extract out the slot of pedestal for the preinstalled circuit plate smoothly.

Background technology

Computer technology is fast-developing to make rapid progress now, and desktop type or notebook computer have been prevalent in upward each corner of society, the development trend of its computer is also strong towards calculation function, speed reaches the little direction of volume soon and strides forward, the connector of computer inside is also significantly dwindled thereupon, to adapt to the development trend of computer, and for the matching computer operational function constantly promotes, progressive, the motherboard of computer must expand the more applications function, operational paradigm, and by increasing memory bar, interface card or functional cards etc., operational capacity upgrading with motherboard, more connector then also to be set for various memory bar on the motherboard, interface card or functional cards are electrically pegged graft, but and transmission signals, and location structure must be set on connector, for fixing various memory bar, interface card or functional cards, be about to various memory bar, interface card or functional cards firmly are plugged in the connector, see also shown in Figure 7, present applied connector location structure, be in the inserting groove A 0 of insulating base frame A, to wear complex signal terminal A 1, and inserting groove A 0 two sides are respectively equipped with location wing plate A 2 again, each is located and is arranged with Location resilient piece A 3 on the wing plate A 2 respectively, and at each Location resilient piece A 3 side, be respectively equipped with and be the hook-shaped blocking elastic arm A 31 of bending, insert in the inserting groove A 0 with power circuit board B, inwardly pass at blocking elastic arm A31 place by two side Location resilient piece A 3, the side that then utilizes two blocking elastic arm A 31 to support respectively at circuit board B, the plural metal terminal B 1 of power circuit board B is electrically connected at complex signal terminal A 1 respectively, but present employed connector location structure, in practical application, during enforcement, still there is a little disappearance, as:

(1) the set Location resilient piece A 3 of insulating base frame A two sides, when circuit board B inserts or extracts the inserting groove A 0 of insulating base frame A, the capital pushes each Location resilient piece A 3 sides bending and extends the hook-shaped blocking elastic arm A 31 that is provided with, easily when circuit board B inserts or extracts inserting groove A 0, by hook-shaped blocking elastic arm A 31 scrapings or delineation, configuration on the circuit board B is destroyed, or hook pulls other electronic component on the circuit board B, cause and damage or fault.

(2) the Location resilient piece A 3 of insulating base frame A two sides, respectively by two sides location wing plate A 2 extend upward form cantilever-shaped, and desire is when extracting circuit board B out inserting groove A 0, two side Location resilient piece A 3 are set pull limit A 32 areas little, be difficult for pulling, the operation that circuit board B is extracted in influence has some setbacks.

Be with, the location structure that how to solve present connector when the blocking circuit board easily by the problem of hook-shaped blocking elastic arm scraping, delineation, and the Location resilient piece of location structure is difficult for pulling, influencing the disappearance of extracting the circuit board difficulty, must be improved, the relevant manufacturer that is the utility model designer and is engaged in the industry desires most ardently the direction place person that research improves.

Summary of the invention

At the deficiencies in the prior art, the purpose of this utility model is: the positioner that a kind of circuit board is provided, the unlikely breakoff phenomenons such as the preinstalled circuit plate is swiped, delineation that cause, and conveniently pull and make the preinstalled circuit plate insert easily, extract by the insulation fastening convex side.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of positioner of circuit board is characterized in that: comprise pedestal, be positioned at the dual-side of pedestal and towards two metal elastic arms that extend in the same way, be installed in two insulation fastening convex sides on two metal elastic arms, wherein:

This base interior is provided with the slot that places plural terminals, and each extends in the same way towards the outside and to be provided with a support arm in the slot both sides, and each support arm one side is extended and is provided with the backstop that is positioned at the slot side, and opposite side is provided with shoulder;

These two metal elastic arms are positioned respectively on each support arm of pedestal both sides, these two metal elastic arms also are held in each shoulder respectively, each metal elastic arm is respectively equipped with the holding part that can be fastened in pedestal both sides support arm, and is respectively equipped with by each holding part and extends to the shell fragment that each support arm outside is wavy bending; And

These two insulation fastening convex sides are installed in respectively on the shell fragment of two metal elastic arms, each fastening convex side that insulate is respectively equipped with the base portion with the wing member pulled, and be provided with the caulking groove that embeds for each shell fragment at each base portion, and each base portion is respectively equipped with in guide ramp again and supports locating groove between the body at the side near caulking groove.

Wherein: the plural terminals that this base interior wears is respectively equipped with the welding foot that extends to the pedestal outside, and this plural number welding foot is fixedly arranged on respectively with pedestal and is on the switching circuit board of vertical configuration.

Wherein: the caulking groove medial surface of these two insulation fastening convex sides on each base portion is respectively equipped with plural stria.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be:

The pedestal of this positioner, wear plural terminals in slot, two sides are extended in the same way and are provided with support arm, can supply the holding part buckle of two metal elastic arms respectively, each holding part stretches out respectively the shell fragment that is bending is set, in the caulking groove of base portion side that embeds two insulation fastening convex sides respectively, be fixedly arranged on two metal elastic arms top respectively for two insulation fastening convex sides, base portion one side of two insulation fastening convex sides is respectively equipped with pulls wing member, opposite side is respectively equipped with the locating groove of tool guide ramp, and insert the slot of pedestal for the preinstalled circuit plate, and be held in the guide ramp of two insulation fastening convex sides, and push the locating groove of each base portion again, reach the purpose that the preinstalled circuit plate firmly is solidly plugged in pedestal, if the application of force is pushed the wing member of pulling of two insulation fastening convex sides, can extract the slot of pedestal out for the preinstalled circuit plate.

This two insulation fastening convex side is in the set caulking groove of each base portion side, be to be respectively equipped with plural stria at each caulking groove medial surface, shell fragment for two metal elastic arms embeds respectively in each caulking groove, and perfusion during sticker in each caulking groove, rely on the gap that forms between plural stria, for ccontaining sticker and with firm being adhered in the caulking groove of each shell fragment.

Description of drawings

Fig. 1 is a stereo appearance figure of the present utility model;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is the partial enlarged drawing of Figure 1A part;

Fig. 4 is a three-dimensional exploded view before the preinstalled circuit plate of the utility model preferred embodiment is pegged graft;

Fig. 5 is the preinstalled circuit plate of the utility model preferred embodiment stereogram when pegging graft;

Fig. 6 is a stereogram after the preinstalled circuit plate of the utility model preferred embodiment is pegged graft;

Fig. 7 is the location structure three-dimensional exploded view of existing connector.

Description of reference numerals: 1-pedestal; The 10-slot; The 12-support arm; The 11-terminal; The 121-backstop; The 111-welding foot; The 122-shoulder; 2-metal elastic arm; The 21-holding part; The 22-shell fragment; The 210-button is held the space; The 3-fastening convex side that insulate; The 30-locating groove; The 312-sticker; The 31-base portion; The 32-guide ramp; The 310-caulking groove; 33-pulls wing member; The 311-stria; 34-supports body; The 4-switching circuit board; The 41-metallic contact; The 5-circuit board; The 50-short slot; The 51-metal terminal; The A-insulating base frame; A 0-inserting groove; A 3-Location resilient piece; A 1-signal terminal; A 31-blocking elastic arm; A 2-locatees wing plate; A 32-pulls the limit; The B-circuit board; B 1-metal terminal.

Embodiment

For reaching above-mentioned purpose and effect, the technology used in the present invention means and embodiment thereof, drawing now illustrates in detail that with regard to preferred embodiment of the present invention its feature and function are as follows, understand fully in order to do profit.

See also Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, be the partial enlarged drawing of stereo appearance figure of the present utility model, three-dimensional exploded view, Figure 1A part, the preceding three-dimensional exploded view of preinstalled circuit plate grafting of preferred embodiment, find out positioner of the present utility model by knowing shown in the figure, comprise pedestal 1, be positioned pedestal 1 dual side-edge and towards the two metal elastic arms 2 that extend in the same way, be fixedly arranged on the insulation of two on the two metal elastic arms 2 fastening convex side 3, wherein:

This pedestal 1 inside is provided with slot 10, and in slot 10, wear plural terminals 11, and the welding foot 111 of plural terminals 11 extends pedestal 1 outside respectively, extend in the same way towards the outside respectively in slot 10 2 sides and be provided with support arm 12, backstop 121 is positioned at slot 10 sides, opposite side promptly is respectively equipped with shoulder 122 and each support arm 12 1 side is provided with.

This two metals elastic arm 2 is tabular, one side surface is provided with holding part 21 in the appropriate position near central authorities, and each holding part 21 is respectively towards the L-shaped tabular design of relative inner, hold space 210 and form button in inside, and extend in the same way by each holding part 21 and to be provided with shell fragment 22, each shell fragment 22 is wavy bending extension respectively towards the outside.

This two insulation fastening convex side 3 is the caulking grooves 310 that are provided with bending in base portion 31 sides, and the medial surface of each caulking groove 310 is respectively equipped with plural stria 311, and be respectively equipped with guide ramp 32, locating groove 30 and supporting body 34 near each base portion 31 outside of caulking groove 310, and each base portion 31 opposite side stretches out respectively to be provided with again and pulls wing member 33.

Above-mentioned each member is when assembling, utilize the slot 10 2 side support arms 12 of pedestal 1, respectively for two metal elastic arms, 2 location, and two metal elastic arms 2 utilize the button of each holding part 21 to hold space 210, be sheathed on respectively on each support arm 12, again with the side of two metal elastic arms 2, be resisted against the backstop 121 of two support arms, 12 1 sides respectively, the root edge of two metal elastic arms 2 then, promptly be held in the shoulder 122 of two support arms, 12 opposite sides respectively, and supply each metal elastic arm 2 one side to be the shell fragment 22 of wavy bending, extend each support arm 12 outside respectively in the same way, utilize the shell fragment 22 of each metal elastic arm 2 again, embed respectively in the caulking groove 310 of base portion 31 sides of the fastening convex side 3 that respectively insulate, and in each caulking groove 310, pour into sticker 312 (as viscose glue, resin or glue etc.), be positioned respectively on each metal elastic arm 2 for two insulation fastening convex sides 3, and cooperate pedestal to constitute positioner of the present utility model for 1 group.

And the plural terminals 11 that said base 1 wears in slot 10, extend to pedestal 1 outside with welding foot 111 respectively, and be electrically connected at the plural metallic contact 41 of outside switching circuit board 4, and supply switching circuit board 4 to be combining of mutual vertical configuration with pedestal 1 by plural welding foot 111.

See also Fig. 4, Fig. 5, shown in Figure 6, it is the preceding three-dimensional exploded view of preinstalled circuit plate grafting of the utility model preferred embodiment, stereogram when the preinstalled circuit plate of preferred embodiment is pegged graft, stereogram after the preinstalled circuit plate of preferred embodiment is pegged graft, find out by knowing shown in the figure, when the base portion 1 of the utility model positioner is electrically pegged graft for preinstalled circuit plate 5 with slot 10, with preinstalled circuit plate 5 by the oblique insertion of slot 10 sides, and with 50 pairs of preinstalled circuit plate 5 two side short slots be positioned at two the insulation fastening convex sides 3 guide ramp 32, push to two side guide ramp 32 for

preinstalled circuit plate

5, and 3 elastic forces that rely on two metal elastic arms 2 respectively of two insulation fastening convex sides, be towards relative outside curve, distortion, and with preinstalled circuit plate 5 dual side-edges, base portion 31 sides that push two insulation fastening convex sides 3 are positioned at guide ramp 32, support in the locating groove 30 of 34 of bodies, and supply preinstalled circuit plate 5 two sides to support the backstop 121 that is affixed on two support arms 12 respectively, two insulation fastening convex sides 3 utilize the elastic-restoring force of two metal elastic arms 2 again, return to original position and with two locating grooves 30, buckle is at the dual side-edge of preinstalled circuit plate 5 respectively, can be for the plural metal terminal 51 of preinstalled circuit plate 5, be electrically connected at the plural terminals 11 in the slot 10 respectively, be about to preinstalled circuit plate 5 strong fixs in slot 10 inside of pedestal 1.

And two metal elastic arms 2 pass through the combination of two insulation fastening convex sides 3, strengthen the structural strength of two metal elastic arms 2, when being subjected to the passing of preinstalled circuit plate 5, and two metal elastic arms, 2 unlikely too big pushing force, the then difficult phenomenons that serious bending, distortion take place or rupture of bearing.

And desire is extracted preinstalled circuit plate 5 from the slot 10 of pedestal 1, that can the application of force pulls two insulation fastening convex sides 3 pulls wing member 33, rely on the elastic force of two metal elastic arms 2 outwardly-bent respectively for two insulation fastening convex sides 3, can withdraw from preinstalled circuit plate 5 dual side-edges respectively for two locating grooves 30, can conveniently preinstalled circuit plate 5 be extracted in slot 10, and two insulation fastening convex sides 3 pull wing member 33, having bigger area can conveniently force in and respectively pull wing member 33 for pushing, pulling; And two sides insulation fastening convex side 3 is that soft materials such as plastic cement, silica gel or rubber are made, outward appearance there is no sharp-pointed hook formation, and in preinstalled circuit plate 5 when inserting or extracting slot 10, can't be by 3 scrapings of insulation fastening convex side, the delineation of two side softwood matter, configuration on the unlikely destruction preinstalled circuit plate 5, can hook do not pull other electronic component on the preinstalled circuit plate 5 yet, avoid causing preinstalled circuit plate 5 to damage or faults.

This preinstalled circuit plate 5 can be memory bar, interface card or multi-functional integrated circuit board etc., and cooperates the relative pattern electric connector of pedestal 1, reaches the purpose of the electrical back transmission signals of pegging graft.

Therefore, the above only is preferred embodiment of the present utility model, non-so limit to claim of the present utility model, the positioner of the utility model circuit board, system is with the slot 10 2 side support arms 12 of pedestal 1, set firmly metal elastic arm 2 respectively, utilize the shell fragment 22 of each metal elastic arm 2 again, embed respectively in the set caulking groove 310 in base portion 31 sides of two insulation fastening convex sides 3, be positioned respectively on the two metal elastic arms 2 for two insulation fastening convex sides 3, and when the slot 10 of pedestal 1 is pegged graft for preinstalled circuit plate 5, the guide ramp 32 that relies on two insulation fastening convex sides 3, for preinstalled circuit plate 5 dual side-edges, be subjected to locating groove 30 blockings of two sides insulation fastening convex side 3 respectively, and the preinstalled circuit plate 5 unlikely scrapings that are subjected to two sides insulation fastening convex side 3, destroy, reach the purpose of utilizing two insulation fastening convex sides 3 to increase the structural strength of two metal elastic arms 2, and utilize two insulation fastening convex sides 3 in the caulking groove 310 of base portion 31 sides, its medial surface is respectively equipped with plural stria 311, and the caulking groove 310 of two base portions 31 embeds for the shell fragment 22 of two metal elastic arms 2 respectively, in each caulking groove 310, pour into sticker 312 again, promptly utilize the ccontaining sticker in gap of plural stria 311, and each shell fragment 22 is individually fixed in each caulking groove 310, so can reach the structure of aforementioned effect such as, device is contained by the utility model all should, simple and easy modification of this kind and equivalent structure change, all should in like manner be contained in the claim of the present utility model, close and give Chen Ming.

The positioner of above-mentioned circuit board of the present utility model can have following advantage when reality is used, as:

(1) pedestal 1 two side support arms 12 are located metal elastic arm 2 respectively, utilize the shell fragment 22 of each metal elastic arm 2 again, embed respectively in the caulking groove 310 of each base portion 31 of two sides insulation fastening convex side 3, increase the structural strength of two metal elastic arms 2 by two sides insulation fastening convex side 31, and the slot 10 of pedestal 1 is when inserting for

preinstalled circuit plates

5,5 unlikely scraping, the delineations that are subjected to two sides insulation fastening convex side 3 of preinstalled circuit plate, and electronic component also is difficult for being pulled by two sides insulation fastening convex side, 3 hooks.

(2) set firmly metal elastic arm 2 respectively on the pedestal 1 two side support arms 12, and two metal elastic arms 2 set firmly insulation fastening convex side 3 more respectively, that can utilize that base portion 31 1 sides of two insulation fastening convex sides 3 extend to be provided with pulls wing member 33, pull two insulation fastening convex sides 3, two metal elastic arms 2 for the application of force, and make things convenient for preinstalled circuit plate 5 in the slot 10 of pedestal 1, to extract.

So; the utility model is the positioner design of main circuit plate; be slot two side support arms at pedestal; locate the metal elastic arm respectively; embed each caulking groove of the base portion of the fastening convex side that respectively insulate more respectively in the shell fragment of two metal elastic arms; and increase the structural strength of two metal elastic arms by two insulation fastening convex sides; and unlikelyly cause scraping or hook to pull to the preinstalled circuit plate wait to destroy to be main key protection point; and in the medial surface of caulking groove of each base portion of two insulation fastening convex sides; be respectively equipped with plural stria; and after the shell fragment embedding of each caulking groove for two metal elastic arms; when each caulking groove perfusion sticker; the ccontaining sticker of stria that relies on each caulking groove; the shell fragment of can firmly adhering promptly is fixedly arranged on respectively on the shell fragment of two metal elastic arms for two insulation fastening convex sides, when then the slot of pedestal inserts or extracts for the preinstalled circuit plate; the unlikely two metal elastic arms of firmly passing; be only to make pedestal make things convenient for the preinstalled circuit plate to insert; the advantage of pulling out, and utilize the base portion of two insulation fastening convex sides to extend the wing member of pulling that is provided with, make things convenient for the application of force to pull.

More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within the protection range of the present utility model.

Claims

1. the positioner of a circuit board is characterized in that: comprise pedestal, be positioned at the dual-side of pedestal and towards two metal elastic arms that extend in the same way, be installed in two insulation fastening convex sides on two metal elastic arms, wherein:

2. according to the positioner of the described circuit board of claim 1, it is characterized in that: the plural terminals that this base interior wears is respectively equipped with the welding foot that extends to the pedestal outside, and this plural number welding foot is fixedly arranged on respectively with pedestal and is on the switching circuit board of vertical configuration.

3. according to the positioner of the described circuit board of claim 1, it is characterized in that: the caulking groove medial surface of these two insulation fastening convex sides on each base portion is respectively equipped with plural stria.