CN203503890U - Waterproof earphone socket - Google Patents

Abstract

A waterproof earphone socket comprises the following structures: a pedestal referring a lightly rectangular insulator and having an axial round plug hole for an earphone plug to insert, two inner sides of the pedestal are provided with a plurality of fixing grooves; a metal welding frame in a shape of a Chinese character tu and arranged around the bottom of the pedestal in an embedded mode, one side of the welding frame is exposed , and a protruding portion of the tu shape corresponds with the center of the bottom of the plug hole so as to serve as a first contact portion; a plurality of contact sheets, each contact sheet comprises a welding portion, a fixing portion and a contact portion, each contact sheet is arranged in the corresponding fixing groove of the pedestal, and the welding portion of each contact sheet is positioned on the bottom of the pedestal; a circuit board referring the circuit board of an electronic device on which the improved waterproof earphone socket is attached. Terminals with corresponding number and positions with the contact sheets are embedded in the circuit board; the top of the circuit board is provided with thin strip-shaped copper foils corresponding to the welding frame; the pedestal and the circuit board are in soldering connection; welding portions of the contact sheets and the terminals of the circuit board are also in soldering connection.

Description

Waterproof earphones socket

Technical field

The utility model relates to a kind of waterproof earphones socket, particularly relates in a kind of circuit board of terminal being imbedded to (insert) electronic installation and socket base is connected in to circuit board with tin cream, to promote the waterproof earphones socket of the watertightness of electronic installation.

Background technology

The current known person of this type of waterproof socket, as be exposed in the waterproof audio socket of TaiWan, China patent publication No. TW201232946, as shown in Figure 7, this waterproof audio socket 500, include: a body 510, several the first splicing ears 530 and an insulating board body 550, on one side of this body 510, offer an inserting groove 511, the configuration of this inserting groove 511 is to match for this audio jack of pegging graft with audio jack, on its adjacent side, offer several the first spliced eyes 513, respectively this first spliced eye 513 is to be connected with this inserting groove 511 respectively; Respectively the cross sectional configurations of these the first splicing ear 530 one end is to match with this first spliced eye 513 respectively respectively, so that respectively one end of this first splicing ear 530 can and be positioned in this inserting groove 511 through the first corresponding spliced eye 513, to insert this inserting groove 511 in this audio jack in the situation that, respectively one end of this first splicing ear 530 can be resisted against the outer rim of this audio jack and form electrical connection; This insulating board body 550 is to consist of an insulation material (as silica gel, industrial plastic etc.), one side opening is provided with several the second spliced eyes 551, respectively the configuration of this second spliced eye 551 is to match with the another end of this first splicing ear 530 respectively respectively, and be installed with several the second splicing ears 553 insulating board body 550 interior watertights, respectively one end of this second splicing ear 553 is respectively at respectively exposing in this second spliced eye 551, its another end is stretched out by this insulating board body 550, for being soldered on the circuit board (not shown) of this electronic product; In the situation that a side of this insulating board body 550 via the mode watertights such as ultrasonic waves or gummed be bonded to the another side of this body 510, respectively the another end of this first splicing ear 530 can be inserted in the second corresponding spliced eye 551, and is electrically connected with second corresponding splicing ear 553 one end.

The structure of this waterproof audio socket 500 as mentioned above, though its tool watertightness, because adopting ultrasonic waves will improve manufacturing cost in conjunction with body 510 and insulating board body 550, does not meet economic principle, therefore be still improved space.

Summary of the invention

The purpose of this utility model is to provide in a kind of circuit board of terminal directly being imbedded to (insert) electronic installation and the waterproof earphones socket that socket base is connected with circuit board and contact chip is combined with terminal by tin cream, to promote the watertightness of electronic installation.

The utility model waterproof earphones socket includes:

A pedestal, is an insulator being slightly rectangle, and has the circular patchhole that a length direction along pedestal arranges, and one end of patchhole is provided with an insert port and inserts for headset plug;

The lower edge central authorities of this insert port are provided with a recess, and patchhole two inner sides of this pedestal are provided with several holddown grooves, and each holddown groove has the group interface that is positioned at pedestal bottom surface;

This waterproof earphones socket also comprises:

A soldering frame, for metal material and size dimension are corresponding to pedestal root edge, by a framework and several stay hook, formed and be a convex, the protuberance of this convex is positioned at the antemarginal central authorities of this framework, and corresponding to the recess of the lower edge central authorities of this patchhole and be the first contact site, recess is in order to accommodating the first contact site, and this first contact site can be drawn by this framework any point; Described stay hook is located at the surrounding of this framework, the surrounding that this soldering frame is installed on this pedestal root edge with embedded mode make this pedestal and this soldering frame one-body molded, this soldering frame has one side to expose outside this pedestal;

Several contact chips are respectively by a weld part, a fixed part, and a contact site forms; Each contact chip is inserted by the group interface of the corresponding holddown groove of this pedestal, so that described contact chip is installed on to this pedestal; Each contact site all exposes in the patchhole of this pedestal; Each welding position is in pedestal bottom surface;

A circuit board, the circuit board of the electronic installation depending on for waterproof earphones socket, in this circuit board, imbed quantity and position corresponding to the terminal of described contact chip, the one side of described terminal is exposed to board top surface, the one side that described terminal is exposed to this circuit board scribbles tin cream, is exposed to the one side of described terminal of this circuit board and the weld part of described contact chip face to face; In this board top surface and be equiped with the Copper Foil of faciola shape corresponding to the position of the soldering frame of this pedestal root edge surrounding, on this Copper Foil, scribble tin cream;

Copper Foil on the soldering frame of this pedestal root edge and this circuit board is with tin cream weldering knot, respectively the weld part of this contact chip with this terminal that is exposed to this board top surface respectively with tin cream weldering knot.

The beneficial effects of the utility model are: by terminal directly being imbedded in the circuit board of (insert) electronic installation and the waterproof earphones socket that socket base is connected with circuit board and contact chip is combined with terminal by tin cream, to promote the watertightness of electronic installation.

Accompanying drawing explanation

Fig. 1 is the three-dimensional exploded view of this creation waterproof earphones socket;

Fig. 2 is the three-dimensional exploded view of its pedestal of this creation waterproof earphones socket and contact chip upset;

Fig. 3 A is the front top perspective view of this creation waterproof earphones socket;

Fig. 3 B is the rear top perspective view of this creation waterproof earphones socket;

Fig. 4 is the profile of A-A section in Fig. 3 A;

Fig. 5 is the profile of B-B section in Fig. 3 A;

The schematic diagram that Fig. 6 is connected with terminal for this creation waterproof earphones socket weld part; And

Fig. 7 is the three-dimensional exploded view of known waterproof audio socket.

Embodiment

Refer to Fig. 1 to Fig. 6, this creation is to provide a kind of modified form waterproof earphones socket 100, includes pedestal 1, one soldering frame 2, several contact chips and a circuit board 4.

This pedestal 1 is an insulator being slightly rectangle, and there is the circular patchhole 16 that a length direction along pedestal arranges, one end of patchhole 16 is provided with an insert port 161 and inserts for headset plug, lower edge central authorities in this insert port 161 are provided with a recess 162 with accommodating the first following contact site 23,16 liang of inner sides of patchhole of this pedestal 1 are provided with several holddown grooves, the present embodiment adopts four holddown grooves 12,13,14,15, and each holddown groove 12,13,14,15 has the group interface 120,130,140,150 (as shown in Figure 2) that is positioned at pedestal bottom surface 18; Surrounding in pedestal root edge 17 is imbedded (insert) soldering frame 2, in left and right two outsides of this pedestal 1, is respectively provided with respectively a locator protrusions 171.

This soldering frame 2 is metal materials, its size dimension is corresponding to pedestal root edge 17 and formed and be slightly convex by a framework 21 and several stay hook 22, the protuberance of this convex is positioned at this antemarginal central authorities of framework 21, and corresponding to the central authorities of the lower edge of this patchhole 16 and be the first contact site 23, this first contact site 23 can be drawn by these framework 21 any point; Described stay hook 22 is located at the surrounding of this framework 21, this pedestal 1 is arranged at the surrounding of this pedestal 1 root edge 17 with one-body molded this soldering frame 2 that makes of this soldering frame 2 with embedded mode (insert), and make this pedestal 1 be consolidated into one with this soldering frame 2, only this soldering frame 2 has one side to expose outside, when this soldering frame 2 is embedded in this pedestal root edge 17, described stay hook 22 can tightly be caught this pedestal 1, when waterproof earphones socket 100 is fallen accidentally in using the electronic installation depending in the future, be unlikely and make this pedestal 1 separated with this circuit board 4.

Described contact chip is copper material, several holddown grooves 12,13,14,15 corresponding to this pedestal 1, the present embodiment adopts four contact chips 32,33,34,35, and each contact chip (second contact chip 32 of take is example) is consisted of a weld part 321, a fixed part 322, a contact site 323; Each contact chip 32,33,34,35 is inserted described contact chip is arranged to this pedestal 1 by the group interface 120,130,140,150 of the corresponding holddown groove 12,13,14,15 of this pedestal 1; Each contact site 323,333,343,353 is exposed in this patchhole 16 through described holddown groove 12,13,14,15 respectively; Each weld part 321,331,341,351 is positioned at pedestal bottom surface 18, and each weld part 321,331,341,351 of the present embodiment is concordant with this pedestal bottom surface 18, as shown in Figure 1, Figure 2 and shown in Fig. 4, Fig. 6.

The circuit board of the electronic installation that this circuit board 4 depends on for waterproof earphones socket 100, in this circuit board 4, imbed (insert) quantity and position corresponding to the terminal 42,43,44,45 of described contact chip 32,33,34,35, the one side of described terminal 42,43,44,45 is exposed to board top surface 46, and the one side of the several terminals 42,43,44,45 exposing in this is coated with tin cream, it scribbles the one side of tin cream and the weld part 321,331,341,351 of these several contact chips 32,33,34,35 face to face; In this board top surface 46, corresponding to the position of the soldering frame 2 of these pedestal root edge 17 surroundings, be equiped with the Copper Foil 47 of faciola shape, and be coated with tin cream on this Copper Foil 47.

The combination of this pedestal 1 and this circuit board 4 and the respectively weld part 321,331,341,351 of this contact chip 32,33,34,35 and the respectively link of this terminal 42,43,44,45 on this circuit board 4, be by the soldering frame of this pedestal root edge 17 2 and Copper Foil 47 on this circuit board 4 and after respectively this weld part 321,331,341,351 is aimed at this terminal 42,43,44,45 respectively and covered, by hot blast reflow stove (reflowoven), make tin cream produce welding effect combination.

This creation is characterised in that: this soldering frame 2 is convex, protuberance is the first contact site 23, this pedestal 1 is one-body molded with this soldering frame 2, and this first contact site 23 is placed in the recess 162 of the insert port 161 lower edge central authorities of this pedestal 1, so structure need separately be established a contact chip except saving, and can make the design of insert port 161 more simple, and make the watertightness of 4 of pedestal 1 and this circuit boards better; Terminal 42,43,44,45 is directly imbedded in the circuit board 4 of (insert) electronic installation; The position that surrounding in this pedestal root edge 17 is imbedded (insert) soldering frame 2 and corresponded to this soldering frame 2 in this circuit board 4 is equiped with the Copper Foil 47 of faciola shape; In the Copper Foil 47 of this circuit board 4, be coated with tin cream with being exposed on the terminal 42,43,44,45 of board top surface 46; This pedestal 1 and this circuit board 4 and respectively this weld part 321,331,341,351 and the respectively combination of this terminal 42,43,44,45, be by by the soldering frame of this pedestal root edge 17 2 and Copper Foil 47 on this circuit board 4 and after respectively this weld part 321,331,341,351 is aimed at this terminal 42,43,44,45 respectively and covered, by hot blast reflow stove (reflow oven), make tin cream produce welding effect and combination; The welding of the Copper Foil 47 on this soldering frame 2 and this circuit board 4 can prevent that moisture content from being oozed out outside this waterproof earphones socket 100 by this patchhole 16.

Claims (1)

1. a waterproof earphones socket, includes:

A pedestal, is an insulator being slightly rectangle, and has the circular patchhole that a length direction along pedestal arranges, and one end of patchhole is provided with an insert port and inserts for headset plug;

It is characterized in that:

The lower edge central authorities of this insert port are provided with a recess, and patchhole two inner sides of this pedestal are provided with several holddown grooves, and each holddown groove has the group interface that is positioned at pedestal bottom surface;

This waterproof earphones socket also comprises:

A soldering frame, for metal material and size dimension are corresponding to pedestal root edge, by a framework and several stay hook, formed and be a convex, the protuberance of this convex is positioned at the antemarginal central authorities of this framework, and corresponding to the recess of the lower edge central authorities of this patchhole and be the first contact site, recess is in order to accommodating the first contact site, and this first contact site can be drawn by this framework any point; Described stay hook is located at the surrounding of this framework, the surrounding that this soldering frame is installed on this pedestal root edge with embedded mode make this pedestal and this soldering frame one-body molded, this soldering frame has one side to expose outside this pedestal;

Several contact chips are respectively by a weld part, a fixed part, and a contact site forms; Each contact chip is inserted by the group interface of the corresponding holddown groove of this pedestal, so that described contact chip is installed on to this pedestal; Each contact site all exposes in the patchhole of this pedestal; Each welding position is in pedestal bottom surface;

A circuit board, the circuit board of the electronic installation depending on for waterproof earphones socket, in this circuit board, imbed quantity and position corresponding to the terminal of described contact chip, the one side of described terminal is exposed to board top surface, the one side that described terminal is exposed to this circuit board scribbles tin cream, is exposed to the one side of described terminal of this circuit board and the weld part of described contact chip face to face; In this board top surface and be equiped with the Copper Foil of faciola shape corresponding to the position of the soldering frame of this pedestal root edge surrounding, on this Copper Foil, scribble tin cream;

Copper Foil on the soldering frame of this pedestal root edge and this circuit board is with tin cream weldering knot, respectively the weld part of this contact chip with this terminal that is exposed to this board top surface respectively with tin cream weldering knot.

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