CN104134909A

CN104134909A - Connector

Info

Publication number: CN104134909A
Application number: CN201410174262.XA
Authority: CN
Inventors: 小野直之
Original assignee: SMK Corp
Current assignee: SMK Corp
Priority date: 2013-05-01
Filing date: 2014-04-28
Publication date: 2014-11-05
Anticipated expiration: 2034-04-28
Also published as: CN104134909B; JP5590358B1; JP2014220040A; WO2014178209A1

Abstract

Disclosed is a connector wherein a receptacle is provided with: a receptacle main body, which is formed of an insulating resin, and which is provided with a fitting protruding section that protrudes from a plug-side front end surface portion of a main body section, said fitting protruding section being to be inserted into a fitting recessed section opened in the front surface of a plug; and a plurality of receptacle contacts, each of which has a contact section thereof exposed on a fitting protruding section surface portion on one side, said contact section being disposed in the connecting direction. On the plug-side front end surface portion of the fitting protruding section, a plug-reinforcing section formed by covering the plug-side front end surface with a reinforcing plate section formed of a metal plate, and an insulating protecting section, which is formed by exposing the plug-side front end surface of the fitting protruding section corresponding to the position of a desired receptacle contact, are formed. Consequently, deformation and damages of the fitting protruding section are eliminated when the plug is diagonally inserted into the receptacle, the connector is applicable to various kinds of plugs, and short-circuits due to having a plug contact in contact with the metallic reinforcing member can be eliminated.

Description

Connector

Technical field

The present invention relates to as MicroUSB (specification of the small-sized USB terminal in recent years mostly adopting at smart mobile phone etc.) connector etc., be provided with the connector of socket, described socket is connected with plug.

Background technology

In the past, in order to connect the external equipments such as ancillary equipment or personal computer such as the mobile electronic device such as portable telephone set or smart mobile phone terminal and charger, use as MicroUSB connector etc. like that, be provided with the mutual releasably connector of the plug and socket of connection.

Form the socket 1 of such connector as shown in Figure 8, Figure 9, comprise the jack body 3 of the flat fitting projection 2 outstanding insulating resin systems that are arranged on plug side front end face, separately towards each contact site of closure be exposed to configuration side by side the single side surface portion of fitting projection 2 multiple receptacle connectors 4,4 ... and the socket radome 5 of the trapezoidal tubular being formed by conductive metal sheet material, jack body 3 is assembled in socket radome 5, forms towards the plug insertion section 6 of the plug side front end face opening of socket radome 5.

On the other hand, plug 7 as shown in figure 10, comprise the header body 8 of the flat trapezoid cross section shape being formed by insulating resin, and the plug radome 9 being formed by the conductive metal sheet material that covers its outer peripheral face, form towards the chimeric recess 10 of the square hole shape of this socket side front end face opening in header body 8, be set up in parallel the multiple header contact 11a～11e towards closure in the bottom surface sections of chimeric recess 10.

And by plug 7 is inserted in plug insertion section 6, fitting projection 2 is inserted the chimeric recess 10 of plug 7, header contact 11a～11e and corresponding receptacle connector 4,4 ... contact, by two contacts 4,11, plug 7 and socket 1 are electrically connected.

But, in the time that plug 7 is connected with socket 1, sometimes the relative socket 1 of plug 7 is with oblique heeling condition insertion in the horizontal direction, this occasion, as shown in figure 11, the plug side front end face of the resinous fitting projection 2 of end face edge extruding insulation of metal plug radome 9, worry becomes distortion or the damaged reason of plug side front end face.

So exploitation is provided with the socket (for example,, with reference to patent documentation 1) that covers the side of fitting projection 2 and the guard block 12 of plug head face.

[patent documentation 1] TOHKEMY 2010-67459 communique

But, in recent years, developed various ancillary equipment for the electronic equipment such as portable telephone set or smart mobile phone, at the plug for such ancillary equipment is connected with electronic equipment, also have for according to the socket of electronic specifications design, do not ensure specification person.

Use such plug occasion that does not ensure specification; as mentioned above; in the prior art; in the time that plug is chosen/inserted to relative socket repeatedly; header contact contacts with the rising wood of the plug side front end face of fitting projection 2; thus, the resin part between header contact and the rising wood of guard block is worn and torn by header contact, worries that the rising wood of metal guard block is exposed to the single side surface portion of fitting projection.

Again, the rising wood of guard block is exposed to the single side surface occasion of fitting projection, and as shown in figure 12, if worry, the header contact that power supply is used contacts with this exposed portions serve, produces short circuit, causes connector breakage.

Summary of the invention

So; the present invention puts forward in view of this existing problem; its object is, provide the distortion of fitting projection can prevent the oblique insertion socket of plug time and damage and can be corresponding with multiple plug, can prevent from contacting with metal guard block the connector that causes short circuit because of header contact.

In order to solve problem in the past described above, realize above-mentioned purpose, what technical solution of the present invention 1 was recorded the invention is characterized in, a kind of connector is provided, it comprises the plug and socket releasably connecting mutually; Be provided with jack body and multiple receptacle connector of insulating resin system at this socket, described jack body is given prominence to flat fitting projection is set at the plug side front end face of body, this fitting projection is inserted the chimeric recess towards above-mentioned plug front openings, and described multiple receptacle connectors make to be exposed to configuration side by side towards the contact site of closure separately at least single side surface portion of above-mentioned fitting projection;

Plug side front end face in described fitting projection forms:

To plug rib, cover this plug side front end face with the reinforcement board of metallic plate system; And

Insulation protection portion, with the position consistency of desirable receptacle connector, exposes the plug side front end face of above-mentioned fitting projection.

What technical scheme 2 was recorded the invention is characterized in; in the formation of technical scheme 1; above-mentioned insulation protection portion forms the notch of the shape of one portions cut at above-mentioned reinforcement board, by this notch, the plug side front end face of above-mentioned fitting projection is exposed.

What technical scheme 3 was recorded the invention is characterized in, in the formation of technical scheme 2, at above-mentioned notch, is provided with integratedly the portion that buries underground of or bulging shape outstanding from its inner rim, and this portion of burying underground is embedded in above-mentioned fitting projection.

What technical scheme 4 was recorded the invention is characterized in, in any formation of technical scheme 1 to 3, the position consistency of the receptacle connector that above-mentioned insulation protection portion and power supply are used forms.

What technical scheme 5 was recorded the invention is characterized in, in the formation of technical scheme 4, above-mentioned insulation protection portion, except the position consistency of the receptacle connector used with power supply forms, adds with the position consistency of earthy receptacle connector and forms.

What technical scheme 6 was recorded the invention is characterized in, in any formation of technical scheme 1 to 5, coated board below the metallic plate system of being provided with, cover above-mentioned fitting projection and single side surface above-mentioned contact opposition side, plug side leading edge of coated board below this, be provided with the strengthening part that above-mentioned reinforcement board is erected integratedly, by this strengthening part is fixed on to above-mentioned jack body, configuration makes above-mentioned reinforcement board cover the above-mentioned plug side front end face of above-mentioned fitting projection.

What technical scheme 7 was recorded the invention is characterized in, in any formation of technical scheme 1 to 6, above-mentioned reinforcement board or strengthening part are assembled in above-mentioned jack body by inserting moulding.

What technical scheme 8 was recorded the invention is characterized in, in any formation of technical scheme 1 to 6, fix with sheet and be used for above-mentioned reinforcement board or strengthening part to be fixed on above-mentioned jack body, be provided with integratedly the described sheet of fixedly using with this reinforcement board or strengthening part.

The following describes effect of the present invention:

The connector the present invention relates to is described above, comprises the plug and socket releasably connecting mutually; Be provided with jack body and multiple receptacle connector of insulating resin system at this socket, described jack body is in the outstanding flat fitting projection of inserting towards the chimeric recess of above-mentioned plug front openings that arranges of plug side front end face of body, and described multiple receptacle connectors make to be exposed to configuration side by side towards the contact site of closure separately at least single side surface portion of above-mentioned fitting projection; Plug side front end face in described fitting projection forms: to plug rib, cover this plug side front end face with the reinforcement board of metallic plate system; And insulation protection portion, with the position consistency of desirable receptacle connector, the plug side front end face of above-mentioned fitting projection is exposed.Therefore; due to plug rib; distortion/the breakage of fitting projection can prevent the oblique insertion of plug time; simultaneously; even because the front end rising wood of the fitting projection such as plug of repeatedly choosing/insert is ground, strengthens board upper limb and be exposed to the single side surface portion occasion of fitting projection; also can be because being provided with insulation protection portion, avoid desirable header contact and strengthen contacting of board.

Again, in the present invention, above-mentioned insulation protection portion forms the notch of the shape of one portions cut at above-mentioned reinforcement board, by this notch, the plug side front end face of above-mentioned fitting projection is exposed, and therefore, can easily form insulation protection portion.

Have again, in the present invention, at above-mentioned notch; the portion that buries underground that is provided with integratedly or bulging shape outstanding from its inner rim, is embedded in above-mentioned fitting projection, therefore this portion of burying underground; insulation protection portion can be formed suitably, and the constant intensity of strengthening the relative fitting projection of board can be improved.

Have again; in the present invention; the position consistency of the receptacle connector that above-mentioned insulation protection portion and power supply are used forms; or above-mentioned insulation protection portion is except the position consistency of the receptacle connector used with power supply forms; add with the position consistency of earthy receptacle connector and form; therefore, can avoid the receptacle connector that power supply uses and strengthen contacting of board, can prevent short circuit.

Again, in the present invention, coated board below the metallic plate system of being provided with, cover above-mentioned fitting projection and single side surface above-mentioned contact opposition side, plug side leading edge of coated board below this, be provided with the strengthening part that above-mentioned reinforcement board is erected integratedly, by this strengthening part is fixed on to above-mentioned jack body, configuration makes above-mentioned reinforcement board cover the above-mentioned plug side front end face of above-mentioned fitting projection, therefore, can improve the intensity to plug rib and fitting projection, and can, according to the area or the shape that are coated board below, adjust impedance.

Have, in the present invention, above-mentioned reinforcement board or strengthening part are assembled in above-mentioned jack body by inserting moulding again, therefore, can be assembled in fitting projection by strengthening board or strengthening part suitably.

Again, in the present invention, fix with sheet and be used for above-mentioned reinforcement board or strengthening part to be fixed on above-mentioned jack body, be provided with integratedly described fixing with sheet with this reinforcement board or strengthening part, therefore, can be fixed on fitting projection part by strengthening board or strengthening part.

Brief description of the drawings

Fig. 1 is the stereogram that represents socket one example of the connector the present invention relates to.

Fig. 2 is the exploded perspective view of Fig. 1 socket.

Fig. 3 is the front elevation of the jack body in presentation graphs 2.

Fig. 4 is its plane graph.

Fig. 5 is its ground plan.

Fig. 6 (a) is the A-A line sectional view in Fig. 3, and Fig. 6 (b) is the B-B line sectional view in Fig. 3.

Fig. 7 is another the routine front elevation of socket that represents the connector the present invention relates to.

Fig. 8 is the biopsy cavity marker devices side view that represents socket one example of connector in the past.

Fig. 9 is its front elevation.

Figure 10 represents the front elevation of plug one example in the past.

Figure 11 represents that the relative socket of plug inserts the cross-sectional view of state summary with oblique heeling condition.

Figure 12 is the amplification sectional view of header contact and guard block contact condition in the connector being illustrated in the past.

In figure, symbolic significance is as follows:

20-connector

21-socket

22-fitting projection

23-jack body

24-receptacle connector

25-radome

26-plug insertion section

30-fixed part

31-contact site

32-substrate splicing ear portion

40-body

41-raised line

42-strengthens board

43-is to plug rib

44-insulation protection portion

45-insulation division

46-strengthening part

Coated board below 47-

Embodiment

Below, according to the example of Fig. 1～connector that explanation embodiment illustrated in fig. 6 the present invention relates to.In following examples, although to inscape, kind, combination, shape, configuration waits and has done various restrictions relatively,, these only exemplify, and the present invention is not limited thereto.

Constitutor identical with above-mentioned past case is marked with same-sign and describes, and symbol 7 is plug.

This connector comprises the plug 7 and the socket 21 that releasably connect mutually, by connecting contact 7 and socket 21, becomes electrical connection.

In the present embodiment, using plug 7 and the interconnected direction of socket 21 as closure, using the horizontal direction of intersecting with closure as Width, using the vertical of intersecting with closure as thickness direction, describe.

Plug 7 forms identical with past case shown in Figure 10, comprise the header body 8 of the flat trapezoid cross section shape being formed by insulating resin, and the barrel plug radome 9 being formed by the conductive metal sheet material that covers its outer peripheral face, form towards the chimeric recess 10 of the square hole shape of this socket side front end face opening in header body 8, be set up in parallel the multiple header contact 11a～11e towards closure in the bottom surface sections of chimeric recess 10.

On the other hand, socket 21 is as Fig. 1, shown in Fig. 2, comprise the jack body 23 of the insulating resin system of the outstanding plug side front end face 40a part that is arranged on body 40 of flat fitting projection 22, be exposed to configuration side by side separately multiple receptacle connector 24a～24e of the single side surface 22a part of fitting projection 22 towards the contact site 31 of closure, and the socket radome of the trapezoidal tubular being formed by conductive metal sheet material (following brief note is " radome ") 25, jack body 23 is assembled in radome 25, form the plug insertion section 26 towards plug side front end face opening.

And in the time that plug 7 is connected with socket 21, by plug 7 being inserted to this plug insertion section 26, fitting projection 22 is inserted in chimeric recess 10, corresponding header contact 11a～11e and receptacle connector 24a～24e become and contact with each other.

Each receptacle connector 24a～24e forms as one by the conductive metal sheet material bending machining to banded, comprise the fixed part 30 that is embedded in jack body 23, the contact site 31 extending from the front end of fixed part 30, and be configured in the substrate splicing ear portion 32 at fixed part 30 rears.

Each receptacle connector 24a～24e is integrated with jack body 23 by inserting moulding (insert molding), configures the single side surface 22a part (upper face) that is exposed to fitting projection 22 separately towards the contact site 31 of closure with equidistant spacing parallel arranging.

Again, each receptacle connector 24a～24e is assembled in jack body 23, makes the surface of contact site 31 become the position higher than the single side surface 22a of fitting projection 22 at thickness direction.

Therefore, if plug 7 is connected with socket 21, corresponding header contact 11a～11e and receptacle connector 24a～24e contact setting position, between header contact 11a～11e and the single side surface 22a of fitting projection 22, produce gap, the front end rising wood of fitting projection 22 does not contact with header contact 11a～11e.

Have, each receptacle connector 24a～24e is formed as making the plug side front end of contact site 31 to be positioned at the rear slightly of the plug side front end face of fitting projection 22 again.

Each receptacle connector 24a～24e can set respectively purposes, in the present embodiment, the receptacle connector 24a that is configured in a sidepiece of Width is set as power supply and uses, the receptacle connector 24e that is configured in the other side is set as earthy, is configured in multiple receptacle connector 24b～24d between two receptacle connector 24a, 24e and is set as signal transmission and uses.

Jack body 23 is as shown in Fig. 3～Fig. 6, be integrated with insulating properties forming synthetic resin, comprise the body 40 of the rear quadrate part inner side that is entrenched in radome 25 and the flat fitting projection 22 of the outstanding plug side front end face 40a that is arranged on body 40, by being assembled in radome 25, the plug side front end face 40a of body 40 forms the rear end face of plug insertion section 26, meanwhile, fitting projection 22 is projected in plug insertion section 26.

Fitting projection 22 is formed as tabular, at single side surface 22a part (upper face), outstanding arrange towards multiple raised lines 41,41 of closure ..., the contact site 31 of each receptacle connector 24a～24e is configured between each raised line 41,41.

Again; plug side front end face in fitting projection 22 is (following; be called " protuberance front end face "); shape is to plug rib 43 and insulation protection portion 44; it is (following that the described reinforcement board 42 to plug rib 43 use metallic plate systems covers plug side front end face; be called " protuberance front end face "), the position consistency of described insulation protection portion 44 and desirable receptacle connector 24a, exposes protuberance front end face.

The long limit of strengthening board 42 is shorter than the Width length of protuberance front end face, and minor face is shorter than the thickness direction length of protuberance front end face, formation is grown crosswise rectangular-shaped, between the upper limb and protuberance surface of reinforcement board 42 that is assembled in protuberance end face portion,, at the front end rising wood of fitting projection 22, be situated between and have the insulation division 45 that forms protuberance front end face, the upper limb that becomes reinforcement board 42 is not exposed to face side (upper face side).

And, strengthen board 42 and partially assemble by earthy receptacle connector 24e side at protuberance front end face, thus, power supply exposes with the protuberance front end face being made up of insulating resin of receptacle connector 24a side, forms insulation protection portion 44.

This reinforcement board 42 is assembled in jack body 23 by inserting moulding by strengthening part 46, and configuration makes to cover the plug side front end face of fitting projection 22, forms plug rib 43.

Strengthening part 46 is by, bending machining die-cut to sheet metal, form as one, coated board 47 below the metallic plate system of being provided with, cover fitting projection 22 and single side surface contact opposition side (below), a side of the plug side leading edge of bread cladding plate portion 47 partially on the lower, strengthens board 42 and erects.

On the other hand; the position consistency of insulation protection portion 44 and desirable receptacle connector 24a;; be configured on the closure extended line of receptacle connector 24a; in the time of attachment plug 7 and socket 21; the position consistency that the header contact 11a corresponding with desirable receptacle connector 24a passes through, is formed on the plug side front end face of fitting projection 22, is formed as its width wider than the width of receptacle connector 24a and header contact 11a.

And this insulation protection portion 44, because of the protuberance front end face of the insulating resin system exposed, relatively by the header contact 11a of this part, guarantees state of insulation when normal.

In the connector forming like this, the oblique insertion in plug insertion section 26 of plug 7 relative sockets 21, the plug side front end facial contact occasion of the front end edge of metal plug radome 9 and fitting projection 22, protuberance front end face is because of being strengthened to plug rib 43 of covering with metal reinforcement board 42, therefore, can prevent distortion or the breakage etc. of the fitting projection 22 causing because of the contact of this plug 7.

By being made as from the shape that the leading edge one of coated board 47 erects strengthening board 42, can strengthen the bending endurance for the closure of plug 7 below again.

Have again, by being provided with coated board 47 below, can strengthen the bending endurance of the thickness direction of fitting projection 22, meanwhile, also can be according to area or the shape of coated board 47 are carried out impedance adjustment below.

On the other hand, in this connector in the past, because using the plug 7 etc. that does not ensure specification, in the time that the relative socket 21 of plug 7 is repeatedly chosen/is inserted, header contact 11a～11e contacts with the rising wood of the plug side front end face of fitting projection 22, at header contact 11a～11e, this resin part is worn, and worries that the rising wood of strengthening board 42 is exposed to single side surface portion.And then, if the header contact 11a that this metal reinforcement board 42 exposing is used with power supply contacts, produce short circuit.

But; in connector of the present invention; at the front end face of fitting projection 22, with the position consistency of desirable receptacle connector 24a, be provided with insulation protection portion 44; thus; even just in case the insulation division 45 of this part is worn disappearance, metal material can not be exposed to this part yet, guarantees state of insulation when normal by insulation protection portion 44; therefore, the header contact 11a corresponding with desirable receptacle connector 24a do not contact with metal material.

Have, the position consistency of the receptacle connector 24a using with power supply, forms insulation protection portion 44, can avoid the header contact 11a that power supply is used to contact with metal material, capable of preventing short circuit again.

In the above-described embodiments; illustrate that to make to strengthen the Width length of board 42 short; and partially lean against side's configuration; form the example of insulation protection portion 44; but also can make to strengthen board 42 is formed as and the Width same length length of protuberance front end face; at this reinforcement board 42; position consistency with desirable receptacle connector 24a; its part is formed to the notch of kerf; by this notch; the protuberance front end face being made up of insulating resin is exposed, form insulation protection portion 44.

Can or cut the formation notchs such as processing by extrusion process, at this notch, from rearward outstanding or bulging of its inner rim, and the portion of burying underground of the shape of avoiding insulation protection portion 44 is made as to one, this portion of burying underground is embedded in fitting projection 22.This occasion, forms insulation protection portion 44 by notch suitably at the plug side front end face of fitting projection 22, meanwhile, strengthens the constant intensity of strengthening the relative fitting projection of board by the portion of burying underground.

Again; in the above-described embodiments; the position consistency of the receptacle connector 24a using with power supply is described, forms the example of insulation protection portion 44 at a sidepiece of protuberance front end face, still; the position of insulation protection portion 44 is not limited to above-described embodiment; for example, embodiment is such as shown in Figure 7, also can except with the position consistency of power supply with receptacle connector 24a; add and the position consistency of earthy receptacle connector 24e, form insulation protection portion 44,44.

Have again; in the above-described embodiments; illustrate to be provided with and possess the strengthening part 46 of strengthening board 42 and being coated board 47 below; by inserting moulding, this strengthening part 46 is assembled in to jack body 23; form the example to plug rib 43 and insulation protection portion 44; but, also can only the reinforcement board 42 of growing crosswise rectangular-shaped be assembled in to protuberance end face portion, form plug rib 43 and insulation protection portion 44.

Again, in the above-described embodiments, the example that receptacle connector 24a～24e is only configured in to the single side surface portion of fitting projection 22 is described, still, also the contact site of receptacle connector can be configured in to the two-sided portion of fitting projection 22.This occasion, is not used strengthening part 46, only the reinforcement board 42 of growing crosswise rectangular-shaped is assembled in to protuberance end face portion, forms plug rib 43 and insulation protection portion 44.

Again, the means of strengthening board 42 or strengthening part 46 and be assembled in jack body 23 (fitting projection 22) are not limited to insertion moulding, also can be provided with integratedly fixing with sheet with reinforcement board 42 or strengthening part 46, by this fixing is pressed into the hole that is pressed into that is formed on jack body 23 (fitting projection 22) with sheet, be fixed.

Connector of the present invention is not defined as specific standard, and such as USB, Micro-USB specification etc. also can be suitable for the connector of other any specification.

Only all to implement the example of specializing of carrying out time of the present invention in the above-mentioned shape for the each several part shown in the example carrying out an invention and structure, not because of above-mentioned example limited interpretation technical scope of the present invention.

Claims

1. a connector, comprises the plug and socket releasably connecting mutually;

Be provided with jack body and multiple receptacle connector of insulating resin system at this socket, described jack body is given prominence to flat fitting projection is set at the plug side front end face of body, this fitting projection is inserted the chimeric recess towards above-mentioned plug front openings, and described multiple receptacle connectors make to be exposed to configuration side by side towards the contact site of closure separately at least single side surface portion of above-mentioned fitting projection;

Described connector is characterised in that:

Plug side front end face in described fitting projection forms:

2. according to the connector of recording in claim 1, it is characterized in that:

Above-mentioned insulation protection portion forms the notch of the shape of one portions cut at above-mentioned reinforcement board, by this notch, the plug side front end face of above-mentioned fitting projection is exposed.

3. according to the connector of recording in claim 2, it is characterized in that:

At above-mentioned notch, be provided with integratedly the portion that buries underground of or bulging shape outstanding from its inner rim, this portion of burying underground is embedded in above-mentioned fitting projection.

4. according to the connector of any record of claims 1 to 3, it is characterized in that:

The position consistency of the receptacle connector that above-mentioned insulation protection portion and power supply are used forms.

5. according to the connector of recording in claim 4, it is characterized in that:

Above-mentioned insulation protection portion, except the position consistency of the receptacle connector used with power supply forms, adds with the position consistency of earthy receptacle connector and forms.

6. according to the connector of any record of claim 1 to 5, it is characterized in that:

Coated board below the metallic plate system of being provided with, cover above-mentioned fitting projection and single side surface above-mentioned contact opposition side, plug side leading edge of coated board below this, be provided with the strengthening part that above-mentioned reinforcement board is erected integratedly, by this strengthening part is fixed on to above-mentioned jack body, configuration makes above-mentioned reinforcement board cover the above-mentioned plug side front end face of above-mentioned fitting projection.

7. according to the connector of any record of claim 1 to 6, it is characterized in that:

Above-mentioned reinforcement board or strengthening part are assembled in above-mentioned jack body by inserting moulding.

8. according to the connector of any record of claim 1 to 6, it is characterized in that:

Fix with sheet and be used for above-mentioned reinforcement board or strengthening part to be fixed on above-mentioned jack body, be provided with integratedly the described sheet of fixedly using with this reinforcement board or strengthening part.