CN201498692U

CN201498692U - Plug terminal

Info

Publication number: CN201498692U
Application number: CN2009200064864U
Authority: CN
Inventors: 苏敦礼
Original assignee: Gem Terminal Industry Co Ltd
Current assignee: Gem Terminal Industry Co Ltd
Priority date: 2009-03-26
Filing date: 2009-03-26
Publication date: 2010-06-02
Anticipated expiration: 2019-03-26

Abstract

The utility model provides a plug terminal which comprises a metal body which is sequentially defined with a front contact segment for, a coated segment and a combining segment, wherein the front contact segment is used for inserting into a socket; the coated segment borders on the front contact segment, the cross section of the coated segment is slightly narrower than that of the front contact segment, and the outer edge of the coated segment is coated with an insulating layer; and the combining segment borders on the coated segment, two corresponding outer sides of the combining segment are respectively protruded with a rib body from the body and correspondingly causes other positions of the two corresponding outer sides form a sinking area which is filled with a plastic layer, and the plastic layer form a shoulder protruded from the two sides. By changing materials of the shoulder, the consumption and cost expenditure of the metal are reduced; and the shoulder formed by the plastic layer can tightly seize the combining segment, thus improving the combinative strength.

Description

A kind of plug terminal

Technical field

The utility model relates to a kind of plug terminal, relate in particular to a kind of provide internal frame before shoulder and described plug are shaped can take to structure.

Background technology

General daily life and industrial operation, the use of electrical equipment or appliances, the power source of its alternating current mainly engages with socket by a wire and plug, and conducts current to electrical equipment or appliances.And described wire and plug mainly is provided with and comprises a fire line terminal, a waterline terminal and an earth terminal at least.And based on for the purpose of the safety, the plug inside of part is provided with fuse,, can form opening circuit of electric current by the fusing of fuse, and reach safe effect when excessive as current capacity.And the kenel of this kind plug is comparatively typical with the specification of Britain, so industry has title " Britain's plug " (or it is slotting to abbreviate English as).

And this kind has the plug of fuse, normally in advance each terminal is arranged in the support body, forms an internal frame with fuse holder then, then internal frame inserted in the die cavity, then with the shell and the internal frame one ejection formation of plug.Also have by each terminal of assembly type and be arranged in the support body with fuse holder.And no matter one injection molding or assembly type, described shell with still can be naked after internal frame combines go out described fuse holder so that change fuse.And the two ends of described fuse contact with a described fire line terminal and a cramping terminal respectively.

Lifting an example has the plug of fuse holder with assembly type described fire line terminal is example, but no matter prior art or the utility model, all be not limited to described fire line terminal, see also shown in Figure 6, described fire line terminal 1 comprises a metal body 11, described metal body 11 defines one in regular turn can be for the preceding contact-segment 111 of inserting to socket, one be adjacent to described before contact-segment 111 and cross section slightly be narrower than before contact-segment 111 cross sections coated section 112, and one be adjacent to the described adapter section 113 that is coated section 112, described adapter section 113 for described internal frame form one take to, in order to avoid deviate from forward, be typically provided with an outstanding shoulder 114.

In addition, meet safety standard for asking, and actual demand for security, described fire line terminal 1 can be except forming body exterior the preceding contact-segment 111 of electrically conducting with socket, be coated with insulating barrier 115, reduce the danger that the user touches the terminal in the plug-in accidentally.

Because the described outstanding shoulder 114 of described prior art is generally the material same with metal body 11, and because the former material price of recent international metal often presents significantly fluctuation because of the variation of international political economy situation.Therefore whether only burden forms with described internal frame and takes the described shoulder 114 that supports and exempt to deviate from forward, need as prior art, and is outstanding by one in the metal material of described adapter section 113, and forms expending of material, obviously is worth discussing.

Summary of the invention

Because prior art problems, the utility model is thought should a kind of plug terminal that can improve prior art, make shoulder and described plug be shaped preceding internal frame can take to.

Therefore, the utility model provides a kind of plug terminal, described plug terminal comprises a metal body, described metal body defines one in regular turn can be for the preceding contact-segment of inserting to socket, one be adjacent to described before contact-segment and cross section slightly be narrower than before the contact-segment cross section coated section, and the described outer rim that is coated section is coated with insulating barrier, and one be adjacent to the described adapter section that is coated section, each gives prominence to a shaft of rib by body the two corresponding outsides of described adapter section, make other positions, the described two corresponding outsides form the depressed area relatively, described depressed area is filled up and is provided with plastic layer, and makes described plastic layer form the shoulder that protrudes in both sides.

During enforcement, the terminal periphery of described adapter section forms a resistance edge that protrudes.

Compared with prior art, the utility model is by the material of the described shoulder of change, and the consumption of reduction metal and the expenditure of cost, and reduce because of the interference and uncertainty of metal material fluctuation for cost estimation.And described conduction can be undertaken by metal body, even if described shoulder is the conductive characteristic that plastic cement also can not influence described plug terminal.But, must emphasize that part is, the utility model is not that simple material changes, the design of primary structure is that the two corresponding outsides of described adapter section are respectively by the outstanding shaft of rib of body, make other positions, the described two corresponding outsides form the depressed area relatively, described depressed area is filled up and is provided with plastic layer, therefore can form closely grabbing of described plastic layer and described adapter section, and increase the robustness of its combination.

Description of drawings

Figure 1A, Figure 1B are the plane graphs that difference that the utility model plug terminal presents metal body is looked face;

Fig. 2 A, Fig. 2 B are that the utility model plug terminal presents the different plane graphs of looking face with plastic layer of insulating barrier;

Fig. 3 is a section plan of the present utility model;

Fig. 4 is the utility model and the corresponding three-dimensional exploded view of the internal frame with fuse holder;

Fig. 5 is another embodiment stereogram of the utility model;

Fig. 6 is the stereogram of prior art.

Description of reference numerals: 1-fire line terminal; The 11-metal body; Contact-segment before the 111-; 112-is by the section of coating; The 113-adapter section; The 114-shoulder; The 115-insulating barrier; 2-fire line terminal plug terminal; The 21-metal body; Contact-segment before the 211-; 212-is by the section of coating; The 213-insulating barrier; The 214-adapter section; The 215-shaft of rib; The 216-depressed area; The 217-plastic layer; 2A-waterline terminal; The 2B-earth terminal; The 3-support body; The 31-fuse holder.

Embodiment

Below, structure of the present utility model, characteristics and embodiment are described, make your audit crew further embodiment be arranged for the utility model by accompanying drawing.The utility model is an example with a kind of fire line terminal that is assembled in the tool fuse receptacle, but is a kind of embodiment only, is not limited to described fire line terminal.

See also Figure 1A, Figure 1B, cooperate shown in Fig. 2 A, Fig. 2 B, Figure 1A, Figure 1B, Fig. 2 A, Fig. 2 B look the face performance by two respectively, the utility model provides a kind of fire line terminal 2, described fire line terminal 2 comprises a metal body 21, described metal body 21 define in regular turn one can for insert preceding contact-segment 211, to socket be adjacent to described before contact-segment 211 and cross section slightly be narrower than before contact-segment 211 cross sections coated sections 212, see also Fig. 2 and shown in Figure 3, the described outer rim that is coated section 212 is coated with insulating barrier 213, so that the protection of a safety to be provided.Again, the utility model is provided with an adapter section 214 (as Fig. 1) being adjacent to the described section 212 that coated.Described adapter section 214 mainly provides the support body 3 of internal frame as shown in Figure 4 to form the section portion of combination.

See it by Figure 1A, Figure 1B, Fig. 2 A, Fig. 2 B, each gives prominence to a shaft of rib 215 by body the two corresponding outsides of adapter section 214 of the present utility model, by described outstanding shaft of rib 215, and can make other positions, the described two corresponding outsides form depressed area 216 (as Figure 1A, Figure 1B) relatively, described depressed area 216 is filled up and is provided with plastic layer 217, and make described plastic layer 217 form the shoulder that protrudes in both sides, even can be as shown in Figure 5, and more make described plastic layer 217 all outstanding around forming all.

Described shaft of rib 215 can be an inverted T-shaped at embodiment and since described inverted T-shaped have both direction anyhow for the position of grabbing, can provide simultaneously and be separated out two depressed areas 216, therefore a preferable effect of grabbing is arranged for described plastic layer 217.Described shoulder mainly provide with an internal frame form one take to, unstable in order to avoid described fire line terminal 2 is deviate from forward, meet the safe effect of safety standard and essence with formation.

Again, see also shown in Figure 2, described shaft of rib 215 of the present utility model, can fill up afterwards in plastic layer 217 into described depressed area 216 (as Figure 1A, Figure 1B), nakedly go out a lateral surface, make described plastic layer 217 be unlikely to cover fully described shaft of rib 215, and preferable grabbing and robustness arranged, the inverted T-shaped shown in Fig. 2 B.

See it by Fig. 2 A, Fig. 2 B, plastic layer 217 described in the utility model and described insulating barrier 213 can one be connected and be shaped when plastic jetting forming.It is comparatively convenient to make construction make.

See also shown in Figure 4ly, the utility model uses, can with other waterline terminals 2A, earth terminal 2B, be arranged at jointly in the support body 3, form an internal frame with fuse holder 31 then, further use, then, hold not describing in detail with the non-direct correlation of the utility model.

In sum, the utility model meets industry applications really, and does not see publication or public use before application, is not also known by the public, and has non-showing and easy intellectual, meets the important document of patentability, proposes patent application in accordance with the law.

But above-mentioned institute is old, is a preferred embodiment on the utility model industry, and the equalization of being done according to the utility model claim changes such as, all belongs to the category of this case demand target.

Claims

1. plug terminal, it is characterized in that, described plug terminal comprises a metal body, described metal body defines one in regular turn can be for the preceding contact-segment of inserting to socket, one be adjacent to described before contact-segment and cross section be narrower than described before the contact-segment cross section coated section, and the described outer rim that is coated section is coated with insulating barrier, and one be adjacent to the described adapter section that is coated section, each gives prominence to a shaft of rib by described metal body the two corresponding outsides of described adapter section, make other positions, the described two corresponding outsides form the depressed area relatively, described depressed area is filled up and is provided with plastic layer, and makes described plastic layer form the shoulder that protrudes in both sides.

2. plug terminal as claimed in claim 1 is characterized in that, described plastic layer is connected with described insulating barrier one.

3. plug terminal as claimed in claim 1 is characterized in that, the terminal periphery of described adapter section forms a resistance edge that protrudes.

4. plug terminal as claimed in claim 1 is characterized in that, described shaft of rib is an inverted T-shaped.

5. plug terminal as claimed in claim 1 is characterized in that, described depressed area is filled up and is provided with plastic layer, and it is all outstanding on every side more to make described plastic layer form.