CN2145451Y

CN2145451Y - Plug

Info

Publication number: CN2145451Y
Application number: CN 92242178
Authority: CN
Inventors: 陈虎林
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-11-30
Filing date: 1992-11-30
Publication date: 1993-11-03
Anticipated expiration: 2002-11-30

Abstract

The utility model relates to a plug with an improved structure. The terminal surface of the plug whose caudal end is provided with a wire connection copper sheet which is coated by an injection moulding dent base with L shape. One end of the base is a terminal part, the other end of the base is a dent part whose interior is provided with a wire connection copper sheet base whose terminal is provided with a dent part with a fastening claw with semicircle shape. The fastening claw with semicircle shape is used to combine with the cover buckle which is mutual corresponding to the dent part. The inner core of the conductor wire whose leather surface is stripped can be welded directly or locking fixed on the wire connection copper sheet. When the cover buckle is combined, the upper and the lower fastening claws with semicircle shape are screwed by the gland nut, and the conductor wire is fixed solidly in the cover and the base which are combined.

Description

Plug

The utility model relates to a kind of plug of architecture advances, be meant a kind of one-body molded and new type of plug combined member formula plug construction characteristics of having merged especially, in other words, the utility model mainly provides a kind of plug that has integrated formed structure and combining structure advantage concurrently.

Now common line trap generally can be divided into two kinds of combined structure type and integrate shaped types.Shown in Figure 1 is the existing combined structure type plug that generally uses (being that Do it yoursejf is called for short the DIY plug), and it mainly is to utilize screw A201, A103 set on the lower casing, with a bolt the two locking is combined; When assembled conductor, lead peelled off the part inner core after, be separately fixed on the terminal A30 with bolt, utilize again tension disc A102 with the lead locking on plug.Its advantage is to assemble inspection and maintenance voluntarily.Defective is: with hollow up and down housing assembling, structural strength is not good, failure by rupture easily.Terminal is easy to generate loosening phenomenon with screw locking, can make cell body fusing, terminal displacement because of the high heat that improper use produces, and then causes lead to contact with each other and be short-circuited, and fail safe is not strong.On housing, use the tension disc fixing cord, can't avoid plug to produce the phenomenon that gets loose because of pullling action in use, influence the contact point location of lead and terminal, even wire fracture.

Shown in Figure 2 is the manufacturing process of integrate shaped type plug, mainly be that the whole lead A that ties is become a line segment B that length is certain after cutting, peel off crust C earlier, shell inner core D again and make three leads expose the copper core, again the riveted joint of itself and terminal is finished link operation E after, distinguish its polarity and be inserted in respectively in the interior cover F, insert among the moulding exchange membrane G together with interior cover and carry out injection moulding, after the demoulding, be finished product H.Its advantage is that terminal is wrapped up in the shell with integral injection molding outward, and intensity is enough, and terminal position is good, and its disadvantage is when the lead improper use causes undesirable condition or wire fracture, can't keep in repair at all, and must whole abandoning.

The purpose of this utility model provides that a kind of structural strength that can overcome existing plug defective is good, the terminal stationarity is good, safe and the plug of maintenance capable of automatic assembling.

The utility model relatively has following advantage with the line trap of using always at present:

1. terminal and pedestal adopt that to be essentially injection one-body molded, and the terminal part of pedestal is solid housing, and intensity is good, and the terminal stationarity is good, has the advantage of integrate shaped type plug; And the structural design of its depressed part has been drawn the strong point of lid and tension disc again, makes this plug can maintenance and inspection, has overcome the shortcoming that the integrate shaped type plug can't keep in repair thus again.

2. the utility model adopts the fastening pawl of semicircle shape up and down of pedestal and lid, cooperate with clamp nut, the binding force that the whole cladding of lead is wrapped, certainly more much better than the immobilization efficiencies of the last downforce of only using tension disc usually, take place to give birth to when lead and to draw when pulling firmly, can not influence the contact condition of lead and terminal, be not easy to make wire fracture yet.

3. when the depressed part of pedestal and lid make up, depressed part has three independently spacing convave troughs, even because of high heat that improper use produced makes the cell body fusing, it also only may be local generation the independently, can not cause the terminal displacement and lead is contacted with each other and causes short circuit phenomenon.

Below in conjunction with drawings and Examples, specifically introduce structure of the present utility model and feature.

Fig. 1 is a kind of plug schematic perspective view commonly used at present.

Fig. 2 is the manufacturing flow chart for another kind of plug commonly used at present.

Fig. 3 is a three-dimensional combination figure of the present utility model.

Fig. 4 is a three-dimensional exploded view of the present utility model.

Fig. 5 loads onto assembly drawing behind the lead for the utility model.

Fig. 6 adopts another embodiment schematic diagram of screw fixing cord for the utility model.

Referring to Fig. 3, Fig. 4, the utility model is made up of parts such as terminal 10, pedestal 20, lid 30 and clamp nuts 40; Wherein pedestal 20 is formed with injection moulding by terminal 10 surperficial the applying that tail end is equipped with wiring copper sheet 11, and makes the top of wiring copper sheet 11 exposed externally.This pedestal 20 is L-shaped approximately depressed body, and totally one end is terminal part 201, forms a bit of wiring copper sheet seat 21 in the other end depressed part 202; These depressed part 202 ends are provided with the fastening pawl 22 of semi-circular shape, be provided with block button hole 23 and cover for lid 30 buckles on the interface of the both sides of depressed part.Wherein Fig. 3 B is the cutaway view of pedestal pedestal terminal part.

This lid 30 is one-body molded for injection, and has the depressed part 202 mutual corresponding same configuration with pedestal 20, and its both sides interface is provided with protruding 31, is covered on the depressed part 202 of pedestal 20 for buckle.Its end also be provided with pedestal 20 on the fastening pawl of identical semicircle shape so that after clamp nut 40 screws in, lid 30 after the combination of packing into and lead in the pedestal 20 can be compressed locking.(wherein clamp nut 40 is a working standard spare, and its structure is not to give unnecessary details the subject matter in the utility model application protection range, former not adding at this.）

Referring to Fig. 5, the utility model that uses the above-mentioned composition of parts in addition is when packing lead 50 into, the line heart 51 of peelling off crust directly should be welded on the wiring copper sheet 11 of each terminal, then the lid buckle is covered on pedestal, utilize clamp nut 40 to screw in the fastening pawl of two semicircles up and down again, just lead can be compressed locking firmly in this plug.In like manner, as long as take off clamp nut, open just maintenance and inspection voluntarily of lid 30, promptly so-called DIY(DO IT YOURSELF) plug.

The wiring copper sheet 11 of shown in Figure 6 is terminal tail end also can be designed to and have the cylindrical of screw, its with just can utilize the screw locking being connected of lead core, like this will be more convenient, practical in the assembling maintenance.And this lock mode can not cause the loosening phenomenon of common DIY plug, has locked because also have clamp nut and fastening pawl lead to be compressed firmly.

Claims

1, the improved plug of a kind of structure mainly is made up of terminal, pedestal, lid and fastening body, it is characterized in that:

The tail end of this terminal is equipped with the wiring copper sheet, and the pedestal that forms with injection moulding is applied on its surface, and makes the top of wiring copper sheet exposed externally;

This pedestal is L-shaped approximately depressed body, and the one end is the terminal part, and a bit of formation wiring copper sheet seat in the other end depressed part is provided with the fastening pawl of semicircle shape at the depressed part end, is provided with block button hole and covers for the buckle of lid on the interface of the both sides of depressed part;

This lid is injection moulding, corresponding with the depressed part structure of pedestal, its both sides interface is provided with protruding grain, is covered on the depressed part of pedestal for buckle, its end also is provided with the fastening pawl of semicircle shape, clamp nut is screwed in and the interior conductor of lid and pedestal that will be installed on after the combination compresses locking.