CN2549605Y

CN2549605Y - Fixing structure of electric connector and circuit board

Info

Publication number: CN2549605Y
Application number: CN02234058U
Authority: CN
Inventors: 林东昌
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2002-05-18
Filing date: 2002-05-18
Publication date: 2003-05-07
Anticipated expiration: 2012-05-18

Abstract

The utility model relates to a fixing structure of electric connector and circuit board. The electric connector comprises an insulating shell body, a plurality of conducting terminals and a shell; the two sides of the shell are respectively punched out a wing piece, and a protruded pole extends downwards from the wining piece; the circuit board is excavated with on opening, and the electric connector is arranged inside the opening; the two sides of the opening are respectively provided with a nick, and the two protruded poles are plugged inside the two nicks, thus, the shell of the electric connector is stabilized on the circuit board. The electric connector and the circuit board are greatly positioned without swinging; and the plugging and pulling resistant performance is good.

Description

Electric connector and circuit board fixation structure

Technical field

The utility model relates to a kind of electric connector and circuit board fixation structure, refers to a kind of microminiature USB (Miniature-USB) electric connector that is applicable to especially, is positioned on the circuit board with the projection of electrical connector housing two sides, makes strong fix between the two.

Background technology

See also Fig. 1, known microminiature USB (Miniature-USB) electric connector 10a is fixed on the circuit board 20a, in order to reduce the height of electric connector 10a, generally be on circuit board 20a, to be provided with an opening 21a, this electric connector 10a can be placed among the opening 21a, in order to reduce the height that electric connector 10a protrudes in circuit board 20a upper surface, this is a heavy board-like design.

Left and right two sides of the shell 11a of this electric connector 10a respectively stamp out a fin 12a, in addition in this circuit board 20a upper surface be installed with two with the corresponding weld tabs 22a of fin 12a, this two fin 12a is overlapped on the two weld tabs 22a, and between this two fins 12a and two weld tabs 22a, go up tin cream, make electric connector 10a be able to be fixed on the circuit board 20a by welding manner.

See also Fig. 2, also can respectively be provided with a perforation 13a on the fin 12a of shell 11a two sides of known electric connector 10a,, the solid outstanding power between this two fins 12a and the two weld tabs 22a is promoted in order to increase soldering effect.

Only, above-mentioned known electric connector 10a, its shell 11a two sides only are fixedly welded on circuit board 20a upper surface with fin 12a, therefore having the not good problem of locating effect exists, make electric connector 10a be difficult to firm being positioned on the circuit board 20a, be easy to generate and rock, when plug, can't anti-ly plug, cause loosening, disengaging between electric connector 10a and the circuit board 20a easily.

Be with, as from the foregoing, above-mentioned known electric connector and circuit board fixation structure on reality is used, obviously have inconvenience and exist with disappearance, and can treat in addition improver.

Edge is that improving of the above-mentioned disappearance of inventor's thoughts is that the spy grinds with great concentration

Study carefully and cooperate the utilization of scientific principle, propose a kind of reasonable in design and effectively improve the utility model of above-mentioned disappearance finally.

The utility model content

Main purpose of the present utility model, being to provide a kind of electric connector and circuit board fixation structure, the projection of its electrical connector housing two sides is to be positioned on the circuit board, make that locating effect is preferable between the two, what therefore electric connector can be firm is positioned on the circuit board, can anti-ly plug, can not produce loosening, disengaging between electric connector and the circuit board.

In order to reach above-mentioned purpose, the utility model provides a kind of electric connector and circuit board fixation structure, include an electric connector and a circuit board, this electric connector includes insulation shell, most individual conducting terminal and shell, these shell two sides respectively are provided with a fin, and each is extended with a projection downwards this fin; This circuit board is provided with an opening, and this electric connector is placed in the opening, and these opening two sides respectively are formed with a breach, and this two projection is to be matched with in two breach.

In order to enable further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and explanation usefulness, be not to be used for to the utility model limitr in addition.

The accompanying drawing simple declaration

Fig. 1 is the stereogram of known electric connector and circuit board fixation structure.

Fig. 2 is the stereogram of another kind of known electric connector and circuit board fixation structure.

Fig. 3 is the three-dimensional exploded view of the utility model first embodiment.

Fig. 4 is the stereogram of the utility model first embodiment.

Fig. 5 is the stereogram of the utility model first another angle of embodiment.

Fig. 6 is the three-dimensional exploded view of the utility model second embodiment.

Fig. 7 is the three-dimensional exploded view of the utility model the 3rd embodiment.

Fig. 8 is the three-dimensional exploded view of the utility model the 4th embodiment.

Fig. 9 is the three-dimensional exploded view of the utility model the 5th embodiment.

Figure 10 is the three-dimensional exploded view of the utility model the 6th embodiment.

Figure 11 is the three-dimensional exploded view of the utility model the 7th embodiment.

The preferred embodiment explanation

See also Fig. 3, Fig. 4 and Fig. 5, the utility model provides a kind of electric connector and circuit board fixation structure, include an electric connector 1 and a circuit board 2, this electric connector 1 includes an insulation shell 10, most individual conducting terminal 20 and a shell 30, wherein insulation shell 10 is made with insulating material such as plastic cement, and these insulation shell 10 bottoms two sides respectively are provided with the reference column 11 of downward extension.These conducting terminals 20 are to be fixed on the insulation shell 10, can touch mutually with butt connector, and these conducting terminal 20 1 ends respectively stretch out and are formed with a pin portion 21, and shell 30 also stretches out in these pin portions 21, can be for being welded on the circuit board 2.

Shell 30 is to make with metal material, and it is the opening-like hollow housing of a front end, and these shell 30 front ends are formed with an interface 31, and this interface 31 can plug with butt connector.These shell 30 tops are provided with most shell fragments 32, and these shell fragments 32 are slightly to protrude from shell 30 inwalls, can be in order to the resilient clamp butt connector, and this shell 30 is to be coated on insulation shell 10 outsides, can reach and cover the protection effect.These shell 30 left and right two sides respectively stamp out the fin 33 of a horizontal extension, and each is extended with a projection 34 downwards these fin 33 bottoms, and this projection 34 is to be hollow cylindrical or coniform (as Fig. 6).

Circuit board 2 is provided with an opening 40, and this electric connector 1 can be placed in the opening 40, and in order to reduce the height that electric connector 1 protrudes in circuit board 2 upper surfaces, these opening 40 2 sides respectively are formed with a breach that runs through 41,

These breach 41 tops and bottom peripheral edge correspondence respectively are provided with weld tabs 42, following weld tabs 43, and weld tabs 43 was to be fixedly arranged on circuit board 2 upper surfaces and lower surface respectively under weld tabs 42 reached on this.In addition in this circuit board 2 be provided with two with reference column 11 corresponding positioning hole 44.

The fin 33 of shell 30 2 sides is to be overlapped on two on the weld tabs 42, and make this two projection 34 be matched with in two breach 41, go up tin cream on this two fin 33 and two between the weld tabs 42, make that weld tabs 42 is welded on this two fin 33 and two, and between this two projection 34 and two times weld tabs 43, go up tin cream, this two projection 34 and two times weld tabs 43 are welded, make electric connector 1 be able to be fixed on the circuit board 2 by welding manner, 11 of two reference columns of these insulation shell 10 bottoms can be matched with in two location holes 44 of circuit board 2, in order to assist location in addition; By above-mentioned composition to form electric connector of the present utility model and circuit board fixation structure.

Electric connector 1 of the present utility model, the projection 34 of its shell 30 2 sides is to be positioned in two breach 41 of circuit board 2, so location that can be firm between electric connector 1 and the circuit board 2, locating effect is preferable between the two, make being positioned on the circuit board 2 that electric connector 1 can be firm, and when plug, can anti-ly plug, can not produce phenomenon loosening, that break away between electric connector 1 and the circuit board 2.Two reference columns 11 of these insulation shell 10 bottoms are matched with two location holes 44 of circuit board 2, then can increase steadiness in order to assist location.

Moreover, electric connector 1 of the present utility model, the fin 33 of its shell 30 2 sides and projection 34 are to be fixedly welded on the last weld tabs 42 and following weld tabs 43 of circuit board 2 upper surfaces and lower surface, therefore the bonding area between electric connector 1 and the circuit board 2 can significantly increase, admittedly outstanding between the two power is preferable, makes being fixed on the circuit board 2 that electric connector 1 can be firm.

In addition, see also Fig. 7 and Fig. 8, projection 34 sidewalls of the present utility model also can be provided with one or most slotted eyes 341, make projection 34 can be made into bigger external diameter, and its external diameter can have elasticity and change, this two projection 34 can be forced in the breach 41, use the firm breach 41 that blocks, make more can be firm between electric connector 1 and the circuit board 2 the location, can not rock, loosening or break away from, and more ability plug.

In addition, see also Fig. 9, projection of the present utility model 34 lower ends also can be provided with a flange 342, when this two projection 34 is matched with in two breach 41, flange 342 extended breach 41 root edges, and fasten breach 41 root edges, so can make projection 34 more firm be positioned breach 41, this two projection 34 and two times weld tabs 43 can be welded or do not welded.In addition, see also Figure 10 and Figure 11, also can be provided with slotted eye 341 and flange 342 simultaneously on the projection 34 of the present utility model.

In sum, the utility model is a rare utility model product in fact, has usability on the industry, novelty and progressive, meets novel patent application important document fully.

Only the above only is a preferable possible embodiments of the present utility model, non-so promptly arrest limit claim of the present utility model, so the equivalent structure that uses the utility model specification and graphic content to do such as changes, and all in like manner all is contained in the scope of the present utility model, closes and gives Chen Ming.

Symbol description: 10a connector 11a shell 12a fin 13a perforation 20a circuit board 21a drives 43 times weld tabs 44 locating holes of weld tabs on 22a weld tabs 1 electric connector 10 insulation shells 11 locating dowels 20 conducting terminals 21 pin sections 30 shells, 31 grafting, 32 shell fragments, 33 fins, 34 projections, 341 slotted eyes, 342 flanges, 2 circuit boards, 40 openings, 41 breach 42

Claims

1, a kind of electric connector and circuit board fixation structure include:

One electric connector, it includes insulation shell, most individual conducting terminal and shell, and these shell two sides respectively are provided with a fin, and each is extended with a projection downwards this fin; And

One circuit board which is provided with an opening, and this electric connector is placed in the opening, and these opening two sides respectively are provided with a breach, and this two projection is matched with in two breach.

2, electric connector as claimed in claim 1 and circuit board fixation structure, wherein this insulation shell bottom two sides respectively are provided with the reference column of downward extension, and this circuit board be provided with two with the reference column corresponding positioning hole, this two reference column is matched with in two location holes.

3, electric connector as claimed in claim 1 and circuit board fixation structure, wherein this projection is to be hollow cylindrical or coniform.

4, electric connector as claimed in claim 1 and circuit board fixation structure, wherein this projection sidewall is to be provided with one or most slotted eyes, and this projection can be forced in the breach.

5, electric connector as claimed in claim 1 and circuit board fixation structure, wherein this projection lower end is to be provided with a flange, the extended breach root edge of this flange, and fasten breach.

6, electric connector as claimed in claim 1 and circuit board fixation structure, wherein this projection sidewall is to be provided with one or most slotted eyes, and this projection can be forced in the breach, and this projection lower end is to be provided with a flange, the extended breach root edge of this flange, and fasten breach.

7, as claim 3,4,5 or 6 described electric connector and circuit board fixation structures, wherein these breach top peripheries respectively are provided with weld tabs on, weld in order to the fin with these shell two sides.

8, electric connector as claimed in claim 7 and circuit board fixation structure, wherein these breach bottom peripheral edge respectively are provided with weld tabs, in order to weld with this two projection.