CN100492772C - signal socket - Google Patents

Abstract

A signal socket comprises a socket outer frame and an insert. The insert comprises a plurality of transmission terminals, and each transmission terminal has a protrusion. When a corresponding plug is inserted into the signal socket, the protrusion maintains a fixed contact point with the pin on the plug.

Description

Signal plug

[technical field]

The present invention system is about a kind of signal plug, especially relevant for a kind of signal plug with improvement transmission terminal structure.

[background technology]

In recent years, various signal connectors (as RJ11, RJ12, RJ45 type etc.) have been widely used in the transmission of numeral and analog signal, and the transmission of its signal can be interosculated by the socket and plug with correspondence and reach.

For instance, traditional RJ45 signal plug shown in Fig. 1 a-1c, by among the figure as can be known, typical R J45 signal plug 1 comprise socket housing 11 with chimeric 12.Socket housing 11 has an opening 111 and can insert for the plug of RJ45 type, and chimeric 12 then is the main body of signal transmission, and it has circuit board 13 and a plurality of transmission terminals 14 (transmission terminal of RJ45 type is eight).In addition, an end of each transmission terminal 14 is fixed on the circuit board 13, then oblique extension above circuit board 13 of the other end, and each transmission terminal 14 all has a gold-plated part 141, and this gold-plated part 141 can help the transmission of signal.Structure after socket housing 11 and chimeric 12 combination is shown in Fig. 1 c, and transmission terminal 14 is arranged in opening 111, the plug of RJ45 type insert after, can electrically connect with its formation.

Fig. 2 a is the schematic diagram after RJ45 connector 2 inserts existing RJ45 signal plug 1, and Fig. 2 b then is its part sectioned view.Must note in Fig. 2 a,, omit the socket housing 11 of part in order to know the engagement relationship between display module.As shown in the figure, when RJ45 connector 2 inserted the opening 111 of socket 1, transmission terminal 14 can enter the groove 21 on the RJ45 connector 2 and contact with pin 22.When plug 2 forward impelling, the contact that the angle of inclination of transmission terminal 14 can be subjected to pin 22 push and with diminish (dotted portion among Fig. 2 b is transmission terminal 14 state originally).In this process, because pin 22 slides in the gold-plated part 141 of transmission terminal 14, that is the contact point of pin 22 and transmission terminal 14 constantly changes, and therefore makes the gold-plated part 141 of transmission terminal 14 produce wearing and tearing easily.And in long plug process, these wearing and tearing can cause the Gold plated Layer on the gold-plated part 141 to come off, thereby influence the transmission of signal.On the other hand, because in the process that plug 2 inserts, pin 22 must keep in touch with gold-plated part 141, and therefore palpiform becomes a large-scale gold-plated part 141 on the oblique extension of transmission terminal 14, so makes the production cost of this signal plug greatly improve.

[summary of the invention]

In view of this, purpose of the present invention promptly is to be to provide a kind of signal plug, only need form among a small circle on its transmission terminal and the gold-plated part of difficult drop-off, to reduce production costs.

According to signal plug of the present invention, comprise a socket housing and one chimeric.Chimeric contains a plurality of transmission terminals, and all has a protuberance on each transmission terminal, and when corresponding plug inserted signal plug, protuberance contacted with pin formation on the plug, and the contact point of this protuberance and pin is maintained fixed.

By the present invention, can effectively avoid signal plug after long-term the use, the bad problem of signal transmission takes place, and can significantly reduce the production cost of signal plug.

[description of drawings]

Fig. 1 a is the stereogram of the socket housing of existing RJ45 signal plug;

Fig. 1 b is chimeric stereogram of existing RJ45 signal plug;

Fig. 1 c is for having the stereogram after the RJ45 signal plug makes up now;

Fig. 2 a is the schematic diagram after RJ45 connector inserts existing RJ45 signal plug;

Fig. 2 b is the signal drawing in side sectional elevation after RJ45 connector inserts existing RJ45 signal plug;

Fig. 3 is according to first embodiment of the invention, chimeric stereogram of signal plug;

Fig. 4 a is the signal drawing in side sectional elevation after corresponding plug inserts the signal plug of first embodiment of the invention;

Fig. 4 b is the enlarged drawing of regional A among Fig. 4 a;

Fig. 5 a is the signal drawing in side sectional elevation after corresponding plug inserts the signal plug of second embodiment of the invention; And

Fig. 5 b is the enlarged drawing of area B among Fig. 5 a.

[embodiment]

Because the socket housing of signal plug of the present invention and the structural similarity shown in Fig. 1 a do not repeat them here, and chimeric structure of signal plug of the present invention only is described.In addition, for ease of explanation, in the middle of ensuing embodiment, all the signal plug with the RJ45 type is illustrated as example.

First embodiment

Fig. 3 is according to first embodiment of the invention, chimeric 32 stereogram of signal plug 1.As shown in the figure, chimeric 32 has circuit board 33 and a plurality of transmission terminals 34, and an end of each transmission terminal 34 is fixed on the circuit board 33, then oblique extension above circuit board 33 of the other end.In addition, the oblique protuberance 341 that partly all has a circular arc that extends of each transmission terminal 34, the surface of protuberance 341 then is coated with a gold medal layer, and after corresponding plug inserted, this protuberance 341 can electrically connect with its formation.

Fig. 4 a is the signal drawing in side sectional elevation after corresponding plug 2 inserts the signal plug 1 of first embodiment of the invention, and Fig. 4 b then is the enlarged drawing of regional A among Fig. 4 a.As seen from the figure, when plug 2 inserts, the pin 22 of plug 2 can produce with protuberance 341 and contact, and in the process of plug 2 forward impelling, because the structure of protuberance 341 can stop pin 22 toward front slide, therefore pin 22 can be maintained fixed with the contact point (being the P point among Fig. 4 b) of protuberance 341, so can avoid protuberance 341 lip-deep Gold plated Layer to produce and wear and tear and come off.In addition, because transmission terminal 34 all is fixed in protuberance 341 with the contact position of pin 22 in the process of whole insertion, therefore only need to form Gold plated Layer at protuberance 341, the gold-plated scope that so can significantly dwindle transmission terminal 34 effectively reduces production costs.

Second embodiment

Fig. 5 a is the signal drawing in side sectional elevation after corresponding plug 2 inserts the signal plug 1 of second embodiment of the invention, and Fig. 5 b then is the enlarged drawing of area B among Fig. 5 a.In the signal plug 1 of second embodiment of the invention, except the external form of the protuberance 441 of transmission terminal 44 is the broken line shape, all the other structures are all identical with first embodiment.

Similar to first embodiment, in the process that plug 2 inserts, because the structure of protuberance 441 can stop pin 22 toward front slide, so the contact point of pin 22 and protuberance 441 can be maintained fixed, and so can avoid protuberance 441 lip-deep Gold plated Layer to produce wearing and tearing and comes off.Simultaneously, because the contact position of transmission terminal 44 and pin 22 all is fixed in protuberance 441 in the process of whole insertion, therefore also only needs to form Gold plated Layer and get final product at protuberance 441.

In addition, though protuberance of the present invention is that example describes to be covered with Gold plated Layer,, also can only get final product in protuberance front end contact site (that is protuberance is towards position of opening) coating Gold plated Layer so not as limit.

As from the foregoing, by the structure of protuberance in the signal plug of the present invention, not only can significantly dwindle the gold-plated scope of transmission terminal, reach the purpose that reduces production costs, also can avoid the lip-deep Gold plated Layer of transmission terminal to produce and wear and tear and come off, and then improve the bad problem of signal transmission.

Clearly, those skilled in the art that are not in leaving spirit of the present invention and scope, when carrying out various modifications and variation to the present invention.For instance, protuberance on the transmission terminal can be not limited to above-mentioned external form, as long as it can form fixing contact point with pin, in addition, though the foregoing description is the signal plug of RJ45 type, the present invention also can be applicable in the similar signal plug such as RJ11, RJ12.Therefore, all variations that equate with claims meaning of enclosing all should be contained among the present invention.

Claims (8)

1. A signal socket, comprising: a fitting, having a plurality of transmission terminals, and each transmission terminal has a protruding part, the surface of the protruding part is gold-plated; and A socket outer frame is combined with the fitting to form an opening for inserting a plug corresponding to the signal socket, Wherein when the plug is inserted into the signal socket, the protruding part contacts a pin on the plug, and the contact point between the protruding part and the pin remains fixed. 2. The signal socket according to claim 1, wherein the protruding portion is arc-shaped. 3. The signal socket according to claim 1, wherein the protruding portion is in the shape of a broken line. 4. The signal socket according to claim 1, wherein the surface of the protrusion facing the opening is plated with gold. 5. The signal socket according to claim 1, wherein one end of each transmission terminal is fixed to a circuit board, and the other end extends obliquely above the circuit board in the opening, and the extension part of each transmission terminal has the protrusion. 6. The signal socket according to claim 1, characterized in that the signal socket is an RJ45 signal socket. 7. The signal socket according to claim 1, characterized in that, the signal socket is an RJ11 type signal socket. 8. The signal socket according to claim 1, characterized in that, the signal socket is an RJ12 type signal socket.

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