CN202259902U

CN202259902U - Headphone jack connector

Info

Publication number: CN202259902U
Application number: CN 201120357964
Authority: CN
Inventors: 袁金应; 钱程锦; 李克志
Original assignee: KUNSHAN CHANGYING PRECISION TECHNOLOGY Co Ltd
Current assignee: KUNSHAN CHANGYING PRECISION TECHNOLOGY Co Ltd; Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2011-09-23
Filing date: 2011-09-23
Publication date: 2012-05-30
Anticipated expiration: 2021-09-23

Abstract

The utility model discloses an earphone jack connector which comprises plastic parts and at least one contact piece with elasticity, wherein the plastic parts include a first plastic part and a second plastic part which are connected in a fastened manner, the opposite side walls at one end of the first plastic part and one end of the second plastic part are half-cylindrical inwards-curve cambered surfaces which are structurally symmetrical, the contact piece is integrally formed inside the first plastic part and the second plastic part, the tail end of the contact piece extends to the outer sides of the first plastic part and the second plastic part, a spring plate of the contact piece extends to the outer sides of the inwards-curve cambered surfaces of the first and the second plastic parts, and a balancing patch is further arranged and fixedly sleeved on the outer lateral walls of the circumferences of the first and the second plastic parts so as to fix the first and the second plastic parts together. In the utility model, the bonding strength and the stability of the contact piece and the first and the second plastic parts are ensured, the planeness of the tail end of the contact piece is ensured, the using stability between an earphone and an earphone jack is ensured, the follow-up assembling procedures are reduced, the production efficiency is improved, the working hours are saved, and the labor intensity of workers is lowered.

Description

The earphone socket connector

Technical field

The utility model relates to a kind of connector, particularly a kind of earphone socket connector.

Background technology

The earphone socket connector is a kind of connector that connects electronic apparatus and earphone, and monophony and stereo branch are arranged.Its general structure is the structure of six contact chips, when headset plug inserts, and the wherein level Four of four contact chips and standard or three grades of at different levels contacts of plug and be communicated with corresponding respectively ground wire, microphone, L channel and the R channel of connecting.Two other contact chip is as the static contact of switch, is combined into construction of switch with two contacts of L channel and R channel, when plug inserts, breaks off or closed.In some occasion, as required, also can do corresponding variation, as increasing or removing one or several contact, keep one or remove switch, the contact of switch and microphone contact are shared etc.

This general earphone socket connector, its structure more complicated, shell is used injection molding, the contact chip plug-in mounting wherein, in order to guarantee reliably to contact with headset plug, its dimension precision requirement is than higher, the manufacture difficulty of moulding and contact chip is bigger.Four contact chips that link to each other with the earphone level Four are elastic construction, are installed in the plastic casing, must leave activity space, and the installing and fixing of assurance and plastic casing, and bring very big difficulty to manufacturing.Because volume is very little, contact chip is more, adopts the automaton assembly cost high, generally adopts hand assembled, and the assembling difficulty is bigger, and efficient is low.For contact chip back pin is the earphone socket connector of paster welding; For the coplane degree that guarantees six contact chip pins is another difficult point in the manufacturing; Because six contact chips all adopt the plug-in mounting mode, are difficult to accomplish that the pin face in a plane, often causes welding bad phenomenon such as rosin joint.

Because volume is limit, elastic contact chip often can only amesialityly be placed, and makes the plug radial force uneven, and plug can be amesiality, and this just requires to increase the deflection of contact chip, and is reliable to guarantee contact, increased material selection and structural design difficulty.Limit on the lower side or slightly hour, contact chip might contacts with plug when plug size, after many these plugs, contact chip produces and relaxes, and comes in contact bad phenomenon more easily.

The utility model content

In order to remedy above deficiency, the utility model provides a kind of earphone socket connector, and this earphone socket connector construction is stable, contact chip tail end flatness is high, need not follow-up assembling, saves man-hour.

The utility model for the technical scheme that solves its technical problem and adopt is: a kind of earphone socket connector comprises plastic parts and at least one rubber-like contact chip (according to earphone socket function needs, the quantity of contact chip can be more a plurality of); Said plastic parts comprises first and second plastic parts; First and second plastic parts is fastened and connected, and the opposing sidewalls of first and second plastic parts one end is the half-cylindrical inner concave arc surface of symmetrical configuration, and it is inner that contact chip is shaped in first and second plastic parts; The tail end of contact chip reaches first and second plastic parts outside; The shell fragment of contact chip reaches the inner concave arc surface outside of first and second plastic parts, also is provided with balancing patch, and the balancing patch fixed cover is located on first and second plastic parts periphery wall first and second plastic parts is fixed together; The branch body structure of first and second plastic parts has realized that contact chip and first and second plastic parts are one-body molded in injection mold; Contact chip directly is embedded in first and second plastic parts, and this kind structure is connected firmly, stablizes, and need not follow-up assembling; Save man-hour and labor strength, and the tail end flatness of contact chip can be guaranteed.

Further improvement as the utility model also is provided with static contact, and the static contact both sides are fixedly connected with the end wall of first and second plastic parts other end respectively, in order to guarantee the bonding strength of first and second plastic parts.

Further improvement as the utility model; Said static contact both sides with the structure that the end wall of first and second plastic parts other end is fixedly connected are respectively: static contact is U type structure; Be respectively equipped with inner groovy on the end wall of first and second plastic parts other end, the two side of static contact is inserted in respectively in the inner groovy of first and second plastic parts other end.

As the further improvement of the utility model, said static contact is provided with welding foot, makes earphone socket connector connector be connected more firm with circuit board.

Further improvement as the utility model; The quantity of said contact chip is six; Be symmetrically distributed in respectively in first and second plastic parts, the two side of static contact U type structure extend in the cylinder row space that first and second plastic parts forms, and with near static contact two contact chips form constructions of switch; When plug inserts, switch motion.

Further improvement as the utility model; The structure that said balancing patch fixed cover is located on first and second plastic parts periphery wall is: balancing patch type U type structure; The balancing patch two side is provided with open slot; The periphery wall of first and second plastic parts is provided with radial protrusion, and balancing patch is sheathed on first and second plastic parts outside, and the radial protrusion in first and second plastic parts outside be able to enough be inserted in the open slot on the balancing patch two side.

Further improvement as the utility model; Said balancing patch is provided with at least one pair of claw; First and second plastic parts is provided with the draw-in groove corresponding with size with the claw position, and claw be able to reach and closely extend in the draw-in groove, can guarantee the connective stability of balancing patch and first and second plastic parts.

Further improvement as the utility model; Said balancing patch is provided with an elastic pressuring plate; This elastic pressuring plate extend into the circular port inside of the inner concave arc surface formation of first and second plastic parts, and the shell fragment of the contact chip in the elastic pressuring plate on the balancing patch and first and second plastic parts forms the plane compressing structure, guarantees the headset plug quilt earphone socket connector center that is fixed on tightly; Guarantee that it closely contacts with the shell fragment of contact chip all the time, guarantee the stability in use of earphone.

As the further improvement of the utility model, the structure that said first and second plastic parts is fastened and connected is: be respectively equipped with location hole and reference column on the opposing sidewalls of first plastic parts and second plastic parts, said reference column be able to enough be inserted in the location hole.

The useful technique effect of the utility model is: the utility model is through making contact chip and split type first and second plastic parts one-body molded; Guarantee the bonding strength and the stability of contact chip and first and second plastic parts, guaranteed the flatness of contact chip tail end, guaranteed the stability in use of earphone and earphone socket; And reduced follow-up assembling procedure; Improve production efficiency, saved man-hour, reduced working strength of workers.

Description of drawings

Fig. 1 is the stereogram of the utility model;

Fig. 2 is the first decomposing state figure of the utility model;

Fig. 3 is the second decomposing state figure of the utility model.

Embodiment

Embodiment: a kind of earphone socket connector comprises plastic parts and at least one rubber-like contact chip 3 (according to earphone socket function needs, the quantity of contact chip 3 can be more a plurality of); Said plastic parts comprises first and second plastic parts 1,2; First and second plastic parts 1,2 is fastened and connected, and the opposing sidewalls of first and second plastic parts 1,2 one ends is the half-cylindrical inner concave arc surface of symmetrical configuration, and contact chip 3 is shaped in first and second plastic parts 1,2 inside; The tail end of contact chip 3 reaches first and second plastic parts 1,2 outsides; The shell fragment of contact chip 3 reaches the inner concave arc surface outside of first and second plastic parts 1,2, also is provided with balancing patch 4, and balancing patch 4 fixed covers are located on first and second plastic parts 1,2 periphery walls first and second plastic parts 1,2 is fixed together; The branch body structure of first and second plastic parts 1,2 has realized that contact chip 3 and first and second plastic parts 1,2 are one-body molded in injection mold; Contact chip 3 directly is embedded in first and second plastic parts 1,2, and this kind structure is connected firmly, stablizes, and need not follow-up assembling; Save man-hour and labor strength, and the tail end flatness of contact chip 3 can be guaranteed.

Also be provided with static contact 5, static contact 5 both sides are fixedly connected with the end wall of first and second plastic parts 1,2 other ends respectively, in order to guarantee the bonding strength of first and second plastic parts 1,2.

Said static contact 5 both sides with the structure that the end wall of first and second plastic parts 1,2 other ends is fixedly connected are respectively: static contact 5 is U type structure; Be respectively equipped with inner groovy on the end wall of first and second plastic parts 1,2 other ends, the two side of static contact 5 is inserted in respectively in the inner groovy of first and second plastic parts 1,2 other ends.

Said static contact 5 is provided with welding foot, makes earphone socket connector connector be connected more firm with circuit board.

The quantity of said contact chip 3 is six; Be symmetrically distributed in respectively in first and second plastic parts, the two side of static contact U type structure extend in the cylinder row space that first and second plastic parts forms, and with near static contact two contact chips form constructions of switch; When plug inserts, switch motion.

The structure that said balancing patch 4 fixed covers are located on first and second plastic parts 1,2 periphery walls is: balancing patch 4 type U type structures; Balancing patch 4 two sides are provided with open slot; The periphery wall of first and second plastic parts 1,2 is provided with radial protrusion; Balancing patch 4 is sheathed on first and second plastic parts 1,2 outsides, and the radial protrusion in first and second plastic parts 1,2 outsides be able to enough be inserted in the open slot on balancing patch 4 two sides.

Said balancing patch 4 is provided with at least one pair of claw 41; First and second plastic parts 1,2 is provided with and claw 41 positions and the corresponding draw-in groove of size; Claw 41 be able to reach and closely extend in the draw-in groove, can guarantee the connective stability of balancing patch 4 and first and second plastic parts 1,2.

Said balancing patch 4 is provided with an elastic pressuring plate 42; This elastic pressuring plate 42 extend into the circular port inside of the inner concave arc surface formation of first and second plastic parts 1,2; The elastic pressuring plate 42 on the balancing patch 4 and the shell fragment of the contact chip 3 in first and second plastic parts 1,2 form the plane compressing structure; Guarantee the headset plug quilt earphone socket connector center that is fixed on tightly, guarantee that it closely contacts with the shell fragment of contact chip 3 all the time, guarantee the stability in use of earphone.

The structure that said first and second plastic parts 1,2 is fastened and connected is: be respectively equipped with location hole 11 and reference column 21 on the opposing sidewalls of first plastic parts and second plastic parts, said reference column 21 be able to enough be inserted in the location hole 11.

Claims

1. earphone socket connector; Comprise plastic parts and at least one rubber-like contact chip (3); It is characterized in that: said plastic parts comprises first and second plastic parts (1,2); First and second plastic parts (1,2) is fastened and connected, and the opposing sidewalls of first and second plastic parts (1,2) end is the half-cylindrical inner concave arc surface of symmetrical configuration, and contact chip (3) is shaped in first and second plastic parts (1,2) inside; The tail end of contact chip (3) reaches first and second plastic parts (1,2) outside; The shell fragment of contact chip (3) reaches the inner concave arc surface outside of first and second plastic parts (1,2), also is provided with balancing patch (4), and balancing patch (4) fixed cover is located on first and second plastic parts (1,2) periphery wall first and second plastic parts (1,2) is fixed together.

2. earphone socket connector as claimed in claim 1 is characterized in that: also be provided with static contact (5), static contact (5) both sides are fixedly connected with the end wall of first and second plastic parts (1,2) other end respectively.

3. earphone socket connector as claimed in claim 2; It is characterized in that: said static contact (5) both sides with the structure that the end wall of first and second plastic parts (1,2) other end is fixedly connected are respectively: static contact (5) is U type structure; Be respectively equipped with inner groovy on the end wall of first and second plastic parts (1,2) other end, the two side of static contact (5) is inserted in respectively in the inner groovy of first and second plastic parts (1,2) other end.

4. earphone socket connector as claimed in claim 2 is characterized in that: said static contact (5) is provided with welding foot.

5. earphone socket connector as claimed in claim 3; It is characterized in that: the quantity of said contact chip (3) is six; Be symmetrically distributed in respectively in first and second plastic parts; The two side of static contact U type structure extend in the cylinder row space that first and second plastic parts forms, and with near static contact two contact chips form constructions of switch.

6. earphone socket connector as claimed in claim 1; It is characterized in that: the structure that said balancing patch (4) fixed cover is located on first and second plastic parts (1,2) periphery wall is: balancing patch (4) type U type structure; Balancing patch (4) two side is provided with open slot; The periphery wall of first and second plastic parts (1,2) is provided with radial protrusion; Balancing patch (4) is sheathed on first and second plastic parts (1,2) outside, and the radial protrusion in first and second plastic parts (1,2) outside be able to enough be inserted in the open slot on balancing patch (4) two side.

7. earphone socket connector as claimed in claim 6; It is characterized in that: said balancing patch (4) is provided with at least one pair of claw (41); First and second plastic parts (1,2) is provided with the draw-in groove corresponding with size with claw (41) position, and claw (41) be able to reach closely and extend in the draw-in groove.

8. like claim 1 or 6 described earphone socket connectors, it is characterized in that: said balancing patch (4) is provided with an elastic pressuring plate (42), and this elastic pressuring plate (42) extend into the circular port inside of the inner concave arc surface formation of first and second plastic parts (1,2).

9. earphone socket connector as claimed in claim 1; It is characterized in that: the structure that said first and second plastic parts (1,2) is fastened and connected is: be respectively equipped with location hole (11) and reference column (21) on the opposing sidewalls of first plastic parts and second plastic parts, said reference column (21) be able to enough be inserted in the location hole (11).