CN201355678Y - Electric socket and metal terminals thereof - Google Patents
Electric socket and metal terminals thereof Download PDFInfo
- Publication number
- CN201355678Y CN201355678Y CNU2008202060420U CN200820206042U CN201355678Y CN 201355678 Y CN201355678 Y CN 201355678Y CN U2008202060420 U CNU2008202060420 U CN U2008202060420U CN 200820206042 U CN200820206042 U CN 200820206042U CN 201355678 Y CN201355678 Y CN 201355678Y
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- CN
- China
- Prior art keywords
- connecting portion
- contact site
- supply socket
- metal terminal
- metal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides an electric socket, which comprises at least two metal terminals and an insulation seat body, wherein the two metal terminals are integrally formed by solid cylindrical metal wires through punching; one end of each metal terminal is a solid cylindrical contact part; the other end is a flat connection part; the insulation seat body is formed through extrusion molding by plastic cement, and is used for covering and fixing at least two metal terminals, so a plug hole is formed on one surface of the seat body and is used for placing and positioning each contact part; and the other surface is used for exposing each connection part. The utility model also provides a metal terminal used for the electric socket. The solid cylindrical metal wire is integrally formed through punching. One end of each metal terminal is the solid cylindrical contact part, and the other end is the connection part. The connection part and the contact part of the metal terminal are integrally formed, so the unsafety caused by looseness and damage of the connection part of two parts is avoided.
Description
Technical field
The utility model relates to a kind of distribution and control appliance, relates in particular to a kind of supply socket and metal terminal thereof.
Background technology
Supply socket is widely used in electric equipment products, and for example sound equipment, television set, computer etc. connect power supply in its attaching plug insertion supply socket, make this product obtain power supply.And supply socket inside indispensable element be at least two metal terminals.
In the prior art, traditional metal terminal can be divided into hollow and solid two kinds.The hollow metal terminal is a lamellar body of going out a reservation shape in a sheet metal, and the one end is curled is columniform contact site then, and the other end then extends into the connecting portion of a flat; Its advantage is that this contact site and connecting portion are formed in one, and form but not rivet, but it also has significant disadvantages, because its contact site is the moulding that twists, then can have the defective and the easy deformation of undercapacity.For avoiding aforesaid shortcoming, a kind of metal terminal has appearred in the prior art, and it improves aforesaid terminal, is inserted in intensity and the structural stress of an insulation cylinder so as to increasing this terminal in the inside of contact site; But the sheet material price constantly rises at present, the shaping of this kind metal terminal can cause the waste of material again, therefore can increase cost of manufacture, the more important thing is, above-mentioned two kinds of terminals are owing to be subjected to the restriction of sheet metal thickness, so that obviously not enough on proof voltage and anti-electric current, often can't satisfy the requirement of product safety check.
A kind of solid metal terminal and the supply socket of using it have also appearred in the prior art, as shown in Figure 1, this supply socket comprises pedestal 10, pedestal 10 inside include a terminal 20, described terminal 20 comprises a columniform contact site 21 and an a junction 22, described contact site 21 is riveted together with connecting portion 22, and the riveted place is embedded in the described pedestal, and this connected mode need be considered the intensity of riveting; In addition, need turning and riveted operation in the production process, thereby cause cost of manufacture higher, for example for to avoid this solid contact site 21 to deviate from, directly upwards have the bigger baffle ring of an external diameter 23 at it, and described baffle ring 23 external diameters are the cylindrical script external diameter of solid metal, the solid metal cylinder is processed into contact site 21 and baffle ring 23 through turning, the material that is eliminated accounts for 40% of integral body, makes that cost is difficult to reduce.The more important thing is that if the riveted of contact site 21 and connecting portion 22 is insufficient strength or be subjected to outside destroy, it is loosening that riveted joint place is taken place, thereby cause high temperature, loose contact and produce spark or obscission, influences the safe in utilization of product.
For this reason, need provide a kind of improved socket and terminal thereof to address the above problem.
The utility model content
One of the purpose of this utility model is to provide a kind of supply socket, and its terminal is by the punch forming of solid cylindrical metal wire rod, and cost of manufacture is low and safe in utilization.
Two of the purpose of this utility model is to provide a kind of pin of supply socket, and its cost of manufacture is low and safe in utilization.
For realizing one of purpose, the utility model adopts following technical scheme:
A kind of supply socket, it comprises:
At least two metal terminals, its by the solid cylindrical metal wire rod through punching press and one-body molded, each metal terminal one end is the contact site of a solid cylindrical, the other end is flat connecting portion; And
One insulating base frame, it is used for coating and fixing described at least two metal terminals by plastic rubber ejaculate molding, makes this pedestal one surface form a spliced eye, is used for placing and locating each described contact site, and then expose for each described connecting portion on another surface.
Preferably, shape is in an angle between described connecting portion of bending and described contact site.
Preferably, described connecting portion is a flat.
Perhaps, described connecting portion is flat hook-shaped, and its part of stretching out described insulating base frame is a gib head.
Further, offer at least one recess bottom the described contact site.
Further, described connecting portion is provided with a holding part, and it is perforation or groove.
Further, the dual-side of described connecting portion stretches out a flange respectively.
For realizing two of purpose, the utility model adopts following technical scheme:
A kind of metal terminal that is used for supply socket, its by the solid cylindrical metal wire rod through punching press and one-body molded, each metal terminal one end is the contact site of a solid cylindrical, the other end is a connecting portion.
Preferably, shape is in an angle between described connecting portion of bending and described contact site.
Preferably, described connecting portion is a flat or flat hook-shaped, and its part of stretching out described insulating base frame is a gib head.
The beneficial effects of the utility model are: because contact site and connecting portion are one-body molded, avoided smear metal processing, reduced production cost, contact site need not be connected in addition with connecting portion simultaneously, avoided because junction loosening or destroy and cause high temperature, loose contact and produce spark or obscission influences the safe in utilization of product.Contact site and connecting portion are an angle and can be more conducive to it and fix; Connecting portion is that flat can conveniently be located, be fixed; Connecting portion is flat hook-shaped, and its part of stretching out described insulating base frame is a gib head, can make fixing convenient and stable; When being provided with of recess can make insulating base frame make, plastics can be ccontaining in it, makes contact site well be fixed in the pedestal; Welding when connecting portion is provided with holding part and can conveniently connects power line; When the setting of the flange of connecting portion made plastics that this connecting portion is coated, the plastics energy stop flange after the sclerosis made firm being fixedly arranged among the described insulating base frame of described metal terminal energy.
Description of drawings
Fig. 1 is the profile of supply socket in the prior art;
Fig. 2 is the stereogram among first embodiment of the employed metal terminal of the utility model supply socket;
Fig. 3 is the profile of the supply socket of use metal terminal shown in Figure 2;
Fig. 4 is the stereogram of second embodiment of the employed metal terminal of the utility model supply socket;
Fig. 5 is the profile that uses the supply socket of described metal terminal among the 3rd embodiment of the present utility model;
Fig. 6 is the stereogram of supply socket shown in Figure 5;
Fig. 7 is the stereogram of the 4th embodiment of the employed metal terminal of the utility model supply socket;
Fig. 8 is the profile of the supply socket of use metal terminal shown in Figure 7;
Fig. 9 is for making the method flow diagram of metal terminal among second embodiment of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
As Fig. 2, shown in Figure 3, the supply socket shown in the present embodiment comprises at least two metal terminals 1 and an insulating base frame 2.Wherein, described metal terminal 1 comprises the connecting portion 12 of a contact site 11 and a flat, described contact site 11 is one-body molded with connecting portion 12, both are by punching press, bending and form an angle, angle is 90 degree in the present embodiment, certainly can also be other angle in the example at the utility model in other.Be provided with the head 13 of a circular arc on the top of described contact site 11, can form preferable guiding relation with corresponding attaching plug like this; For described connecting portion 12 is combined preferably with described pedestal 2, dual-side at described connecting portion 12 stretches out a flange 16 respectively, when plastics coat this connecting portion when making like this, become behind the plastic hardening the stopping of flange 16, thereby make very firm being fixed in the described insulating base frame 2 of metal terminal 1.
Wherein, insulating base frame 2 is by plastic rubber ejaculate molding, during making, in the mould that is placed on this insulating base frame 2 of a preforming that at least two metal terminals 1 are firm, be cast in the mould with the liquid plastic of flush type plastic rubber ejaculate molding technology then high temperature, when making profiled insulation pedestal 2 metal terminal is arranged on specific position, contact site 11 lower ends and connecting portion 12 front ends coat with fixing, make each contact site 11 ccontaining and be positioned in the spliced eye 21 on a surface of insulating base frame 2, another surface at pedestal 2 is then exposed in connecting portion 12 rear ends.
Fig. 4 is the stereogram of second embodiment of the utility model metal terminal, as shown in Figure 4, present embodiment is with the difference of first embodiment: the shape of both connecting portions 12 and its upper flange 16 is different, and the rear end of connecting portion 12 is provided with holding part 15 in the present embodiment, described holding part 15 is a perforation, can certainly be a groove, being provided with of holding part 15 is beneficial to the welding electric wire.
Fig. 5 is the profile of the supply socket of the metal terminal of the 3rd embodiment of use the utility model; Fig. 6 is the stereogram of the supply socket of use metal terminal shown in Figure 5.Shown in Fig. 5,6, the difference of present embodiment and second embodiment is: among this embodiment, connecting portion 12 is flat hook-shaped, and its rear portion is a gib head, and the part that promptly described terminal stretches out the insulating base frame outside is hook-shaped, so more helps the connection of electric wire; In the present embodiment, in order to form annexation preferably with insulating base frame 2, offer at least one recess 14 in the bottom of described contact site, plastics are able to wherein ccontainingly when making like this, can increase the conjugation of metal terminal and insulating base frame with this.
Fig. 7 is the stereogram of the 4th embodiment of the utility model metal terminal, and Fig. 8 is the profile of the supply socket of use metal terminal shown in Figure 7.Shown in Fig. 7-8, the main distinction of present embodiment and second embodiment is: connecting portion 12 is linearly with contact site 11 in the present embodiment, does not have angle between the two.As shown in Figure 8, with metal terminal shown in Figure 7 and insulating base frame 2 together behind the ejection formation, the bottom of vertically stretching out insulating base frame 2 that this connecting portion 12 is straight is so that directly cuttage is in circuit board.
Because the metal terminal of supply socket is via punching press and bending and one-body molded by solid cylindrical metal wire rod (for example copper cash) in this case, make the contact site 11 of the solid cylindrical of one end have intensity and stronger proof voltage and anti-current capability preferably, satisfy security needs; And the other end is extended or is extended by the contact site one and be bent into connecting portion 12, because of not being the riveted connection between the two, thereby can not take place to cause because of defective to staking loosening or come off, and then guarantee the safe in utilization of product, and prolong the useful life of this supply socket.
To introduce the making flow process of the utility model metal terminal below,, help better to understand the structure of this metal terminal in conjunction with this flow process.
This method for making generally comprises: a feeding step, a contact site location and forming step, a terminal connecting portion flatten step.Wherein, the feeding step is that for example copper cash is installed in a feeder, then wire rod one end is imported an automatic press mould with solid cylindrical metal wire rod; Then contact site location and forming step are for to be provided with the guide seat at automatic press mould front end, so that guiding solid cylindrical metal wire rod enters in the mould, it is located between twice material seat subsequently, can certainly adopt other mode that wire rod is positioned; And carry out flank attack by the whole punching module of two sides, and make the length of this metal wire rod according to metal terminal, form an arc cut channel respectively in its front end and rear end, and can make this solid metal wire rod form a flat contact site; Connecting portion flattening step is with the punching press of solid metal wire rod front end via the connecting portion punching module at top then, form the flat connecting portion, this connecting portion be the body examination of one of the contact site of solid cylindrical to extension, promptly both are formed in one, but not riveted connects.Utilize above-mentioned steps can make simple metal terminal, the linearly and connecting portion of the connecting portion of this metalloid terminal and contact site is a flat.
In order to make the metal terminal that is more preferably, can on the basis of above-mentioned steps, increase other steps, Fig. 9 is for making the method flow of metal terminal among second embodiment of the utility model, from this flow process making step that metal terminal should use other embodiment as can be seen.
As described in Figure 9, described making flow process comprises: a feeding steps A, contact site location and forming step B, the round end forming step C of a contact site, a junction flatten step D, and even cut the curved step H of band towards pre-broken line step e, towards holding part F, a side cut step G, one.
Wherein, feeding steps A and contact site location and forming step B and aforesaid identical;
Be provided with the round end forming step C of a contact site, be will define the solid metal wire rod reach of length, and impact the cut channel of this wire rod rear end via the head impact module of top, make it form circular-arc head.This step is the circular arc head of this cylindrical contact site of Precision Machining, and in this step, adjacent wire rod does not separate, and still keeps connection status, and the setting of round end can make socket and corresponding plug form guiding relation preferably.Can also go out a recess (shown among Fig. 5 14) in the bottom of described contact site with a recess punching module simultaneously in this step, being provided with of recess can make well insulating base frame combination of metal terminal.
Then for connecting portion flattens step D, with aforesaid identical;
Be towards pre-broken line step e afterwards, go out a pre-broken line at the connecting portion that flattens and the junction of contact site, so that bending afterwards;
Towards the holding part step F, described connecting portion is moved to a processing punching module, and via after its punching press, make its connecting portion have a perforation, it is holding part, certainly can also only strike out a groove, scolder is ccontaining in the time of can conveniently welding behind holding part, increases the bonding strength of this connecting portion and soldered element thus;
Side cut step G, to have the half-finished connecting portion front end of strip and move to a flange punching module, and after its punching press, make that this connecting portion dual-side is local cutly to be fallen, make this connecting portion dual-side form a flange respectively, be used for increasing the effect that combines of metal terminal and insulating base frame;
Connect and cut the curved step H of band, the strip semi-finished product that will have contact site and connecting portion move to an end of this automatic press mould, connecting portion is withstood on the guide vane end stop, cut off with the head of a blank punching module then contact site, with the bending punching module this connecting portion is carried out bending simultaneously, the coupling part that makes contact site and another metal terminal like this from, and its contact site has the head of circular arc, forms angle between its contact site and the connecting portion and connecting portion is a flat.In this step, if with two bending punching modules this connecting portion is carried out bending simultaneously, then form embodiment three described metal terminals, formation angle and connecting portion is flat hook-shaped between its contact site and the connecting portion.
Because above-mentioned method for making is the solid cylindrical metal wire rod to be cut via moulding, finishing, side cut, the company of repeatedly punching press be with steps such as curved, make this metal terminal one-body molded, the one end is the contact site of solid cylindrical, the other end is flat or flat hook-shaped connecting portion, make it have the intensity of anticipation, and contact site and connecting portion are one-body molded, avoided between the two riveted to connect and the junction to occur loosening, and then occur dangerous, improve security of products, and increased the useful life of supply socket.And this method for making can be saved material, and shaping speed is very fast, and it is anti-to have improved production capacity greatly.
Above disclosed only is embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the protection range that the utility model is contained.
Claims (10)
1, a kind of supply socket is characterized in that comprising:
At least two metal terminals, its by the solid cylindrical metal wire rod through punching press and one-body molded, each metal terminal one end is the contact site of a solid cylindrical, the other end is flat connecting portion; And
One insulating base frame, it is used for coating and fixing described at least two metal terminals by plastic rubber ejaculate molding, makes this pedestal one surface form a spliced eye, is used for placing and locating each described contact site, and then expose for each described connecting portion on another surface.
2, supply socket as claimed in claim 1 is characterized in that: shape in an angle between described connecting portion of bending and described contact site.
3, supply socket as claimed in claim 1 or 2 is characterized in that: described connecting portion is a flat.
4, supply socket as claimed in claim 1 or 2 is characterized in that: described connecting portion is flat hook-shaped, and its part of stretching out described insulating base frame is a gib head.
5, supply socket as claimed in claim 1 is characterized in that: described contact site bottom offers at least one recess.
6, supply socket as claimed in claim 1 is characterized in that: described connecting portion is provided with a holding part, and it is perforation or groove.
7, supply socket as claimed in claim 1 is characterized in that: the dual-side of described connecting portion stretches out a flange respectively.
8, a kind of metal terminal that is used for the described supply socket of claim 1 is characterized in that: its by the solid cylindrical metal wire rod through punching press and one-body molded, each metal terminal one end is the contact site of a solid cylindrical, the other end is a connecting portion.
9, metal terminal as claimed in claim 8 is characterized in that: shape in an angle between described connecting portion of bending and described contact site.
10, metal terminal as claimed in claim 8 or 9 is characterized in that: described connecting portion is a flat or flat hook-shaped, and its part of stretching out described insulating base frame is a gib head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202060420U CN201355678Y (en) | 2008-12-25 | 2008-12-25 | Electric socket and metal terminals thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202060420U CN201355678Y (en) | 2008-12-25 | 2008-12-25 | Electric socket and metal terminals thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201355678Y true CN201355678Y (en) | 2009-12-02 |
Family
ID=41412022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202060420U Ceased CN201355678Y (en) | 2008-12-25 | 2008-12-25 | Electric socket and metal terminals thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201355678Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723632A (en) * | 2012-06-26 | 2012-10-10 | 东莞市睿奇五金制品有限公司 | Seepage-preventing electric connecting terminal as well as metal terminal and electronic device thereof |
-
2008
- 2008-12-25 CN CNU2008202060420U patent/CN201355678Y/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723632A (en) * | 2012-06-26 | 2012-10-10 | 东莞市睿奇五金制品有限公司 | Seepage-preventing electric connecting terminal as well as metal terminal and electronic device thereof |
| CN102723632B (en) * | 2012-06-26 | 2014-12-24 | 东莞市睿奇五金制品有限公司 | Seepage-preventing electric connecting terminal as well as metal terminal and electronic device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20110331 Decision number of declaring invalidation: 16253 Granted publication date: 20091202 |