CN2311862Y

CN2311862Y - Socket electrical coupling device

Info

Publication number: CN2311862Y
Application number: CN 97229840
Authority: CN
Inventors: 吴熴灿
Original assignee: Hon Hai Precision Industry Co Ltd
Current assignee: Hon Hai Precision Industry Co Ltd
Priority date: 1997-12-09
Filing date: 1997-12-09
Publication date: 1999-03-24
Anticipated expiration: 2007-12-09

Abstract

The utility model relates to a socket electrical coupling device which is used for being butted with a plug, comprising an insulation casing, a plurality of conductive terminals, and at least one grounding terminal. The insulation casing is provided with a splicing surface, a welding surface, and a terminal containing chamber which is arranged between the splicing surface and the welding surface; the terminal containing chamber is provided with a plurality of conductive terminal containing grooves and at least one grounding terminal containing groove; a plurality of conductive terminals are contained in the conductive terminal containing grooves, and each conductive terminal is provided with a base part, a contact part and a welding part; at least one grounding terminal is contained inside the grounding terminal containing groove and is provided with a base part, a contact part, a fixing part, and a welding part, wherein, the contact part forms an elastic plated surface on the base part; at least a part of the plated surface contacts the plug.

Description

The socket electric connector

The utility model relates to a kind of electric connector, relate in particular to a kind of socket electric connector that is common on earphone, the sound equipment, the earth terminal of this electric connector has excellent contact face and contact resilient, can increase and the contacting of banjo, and good inhibition noise effects is provided.

The transmission of electric connector signal is owing to be subjected to the influence of the external world or facility inside, the capital has noise jamming to produce, therefore, electric connector all is provided with the ground connection setting that is used to suppress noise jamming at present, for example outside the insulation shell of electric connector, coat metal shell, be used to suppress external interference, or form grounded circuit with the grafting of docking electric connector, to suppress the interference of electric connector inside with the earth terminal of electric connector.The utility model socket electric connector promptly is used for improving the earth terminal that electric connector is used to form grounded circuit.

Earth terminal in an existing socket electric connector end substantially is the prong shape, be used for contacting with banjo, the other end is for directly to pin, be used to be plugged in main substrate, the prong shape that wherein contacts with plug, because prong forms sharp-pointed contact-making surface, so banjo in the plug process, is easy to cause and scrapes damage.And prong ties up to contact-making surface and forms tear face because of make closing, and is not very desirable with the effect that contacts of plug.No. the 4th, 846,719, relevant design such as No. the 78204014th, 78204013, Taiwan patent application and United States Patent (USP).

The main purpose of the utility model socket electric connector is to provide a kind of socket electric connector, and it has the respond well earth terminal of contact, has improved the ground connection performance.

Another purpose of the utility model socket electric connector is to provide a kind of innovation, socket electric connector easy to assembly of constructing, and this socket electric connector has the earth terminal of a good springiness, can provide and banjo contact resilient flexibly.

The purpose of this utility model is to realize like this, a kind of jack connetor promptly is provided, be used for docking with plug, comprise: an insulation shell, have plug surface and solder side and be located at plug surface and solder side between the terminal accommodating chamber, described terminal accommodating have a plurality of conducting terminal accepting grooves, with at least one earth terminal accepting groove; A plurality of conducting terminals are contained in described conducting terminal accepting groove, have base portion, contact site and weld part; At least one earth terminal is contained in the earth terminal accepting groove, has base portion, contact site, location division and weld part, and wherein said contact site forms an elastic plate face at base portion, and elastic plate face at least a portion contacts with plug.

The advantage of the utility model device is, not only can improve the phenomenon of when pegging graft with plug plug being scraped damage, also can make and the grafting contact area of plug increases, and improves contact effect and useful life.

Below in conjunction with accompanying drawing embodiment of the present utility model is described, wherein:

Fig. 1 is the three-dimensional exploded view of the utility model socket electric connector;

Fig. 2 is the ventricumbent stereogram of the grafting of the utility model insulation shell;

Fig. 3 is the three-dimensional combination figure that the utility model socket electric connector fixed cap takes off;

Fig. 4 is the three-dimensional combination figure of the utility model earth terminal and insulation shell;

Fig. 5, the 6th, the schematic diagram that the utility model earth terminal and plug are pegged graft.

See also Fig. 1, the utility model socket electric connector comprises: main structure such as an insulation shell 1, a plurality of conducting terminal 2, an earth terminal 3 and fixed cap 4, wherein insulation shell 1 (consulting Fig. 2) is a rectangle cylinder, have plug surface 10 and solder side 11, and be located at the terminal accommodating chamber 12 (consulting Fig. 2) of 11 of plug surface 10 and solders side, wherein these plug surface 10 central authorities are provided with jack 101, this jack 101 runs through plug surface 10 and solder side 11, is used to provide the grafting with plug (not shown).And terminal accommodating chamber 12 has a plurality of conducting terminal accepting grooves 121 and earth terminal accepting groove 122, wherein terminal containing slot 121 is for being located at the cell body of reception room 12 inwall both sides, be used to accommodate conducting terminal 2, and earth terminal accepting groove 122 is for cooperating the configuration of earth terminal 3, establish a long recess at insulation shell 1 outer wall, tail end is the perforation 1221 that is through to terminal containing slot, is provided with inserting slot 123 in reception room 12 in addition, can be used for the location (will describe in detail in the back) of earth terminal 3.In addition, be provided with draw-in groove 124 all around, can fasten with the card post 41 of fixed cap 4.

These a plurality of conducting terminals 2 (consulting Fig. 3) are contained in the aforementioned terminal containing slot 121, and an end weld part 22 is exposed to outside the solder side 11 of insulation shell 1, and this weld part 22 has slotted hole 220, are used for and the main substrate solid welding.And this earth terminal 3 (consulting Fig. 1) has base portion 30, contact site 31, location division 32 and weld part 33, wherein this contact site 31 is after base portion 30 extends upward, reverse 90 degree and form an elastic plate face, and the ora terminalis of plate face is an arc, can be used for contacting with plug.And location division 32 extends upward and is bent to form buckle ear at the two ends of base portion 30, can be embedded on the inserting slot 123 of reception room 12 (as shown in Figure 4).In addition, 33 rightabouts by base portion 30 past location divisions 32 of weld part extend, and are provided with slotted hole 330 at belly, help scolder and run through when welding, make the location firm.

This fixed cap 4 has a base 40 as shown in Figure 1, is provided with card post 41 all around, can fasten with draw-in groove 124, on base 40, be provided with through hole 401, can wear for the

welding ends

22 and 33 of conducting terminal 2, and these conducting terminals 2 are compressed the location with earth terminal 3 with earth terminal 3.

Fig. 3 is the stereogram that the utility model is assembled in conducting terminal 2 and earth terminal 3 insulation shell 1.As shown in the figure, the curved end of the contact site 31 of this earth terminal 3 probes into the perforation 1221 of accepting hole 122, can be used for contacting with plug (not shown).Please further consult Fig. 5 and Fig. 6, can find out among back Fig. 5, the arc-shaped contact part 31 of this earth terminal 3 partly probes in the perforation 1221 of accepting hole 122, when plug 50 inserts, the cambered surface of this arc-shaped contact part 31 has guiding function, plug 50 can smoothly be inserted like a cork, as shown in Figure 6.And, because this arc-shaped contact part 31 bent by a plate face, remove the contact-making surface that can increase with plug 50, have good inhibition noise effects, and can not scrape damage plug 50 when using.

Claims

1. jack connetor, be used for docking, it is characterized in that, comprising: an insulation shell with plug, have plug surface and solder side and be located at plug surface and solder side between the terminal accommodating chamber, described terminal accommodating have a plurality of conducting terminal accepting grooves, with at least one earth terminal accepting groove; A plurality of conducting terminals are contained in described conducting terminal accepting groove, have base portion, contact site and weld part; At least one earth terminal is contained in the earth terminal accepting groove, has base portion, contact site, location division and weld part, and wherein said contact site forms an elastic plate face at base portion, and elastic plate face at least a portion contacts with plug.

2. socket electric connector as claimed in claim 1 is characterized in that, wherein has the contact site of the earth terminal of elastic plate face, is set to arcuation in the end of plate face.

3. socket electric connector as claimed in claim 1 or 2 is characterized in that, wherein the plate face contact site of earth terminal is located at terminal base portion one side that can fit in the insulation shell sidewall.

4. socket electric connector as claimed in claim 3 is characterized in that, wherein further cover cap has fixed cap on the insulation shell.

5. socket electric connector as claimed in claim 4 is characterized in that, wherein the location division of earth terminal forms the buckle ear of at least one bending at the terminal base portion.

6. socket electric connector as claimed in claim 5 is characterized in that, wherein the contact site of conducting terminal and earth terminal be by the terminal base portion directly to the pin that extends, and face is provided with a perforation.

7. socket electric connector as claimed in claim 6 is characterized in that, wherein is provided with clamping close device between insulation shell and fixed cap, and described clamping close device comprises the draw-in groove of being located at respectively on insulation shell and the fixed cap and card post.