CN2335277Y

CN2335277Y - Improved inner frame structure for plug

Info

Publication number: CN2335277Y
Application number: CN 98207145
Authority: CN
Inventors: 庄文彪
Original assignee: QIAODA TRADE CO Ltd
Current assignee: QIAODA TRADE CO Ltd
Priority date: 1998-07-30
Filing date: 1998-07-30
Publication date: 1999-08-25
Anticipated expiration: 2008-07-30

Abstract

The utility model relates to an improved inner frame structure for a plug. An inner frame body is provided with a notch positioned on the upper end, and two side notches positioned respectively on both opposite sides. The upper notch can be pressed to be matched with an earthing pin. The outside edges of the two side notches are respectively provided with vertical side walls of which the upper ends are connected with turnover blocks which can relatively turn over. The ends of the turnover blocks are provided with fastening and stopping parts, and the side edges of the turnover blocks are provided with inserting and stopping blocks. After gaps arranged by a conducting strip are sheathed into the side notches, the turnover blocks can cover the side notches. Meanwhile, the fastening and stopping parts are embedded in the concave sites of the inner frame body, and the inserting and stopping blocks are inserted into the notches and fastened with the gaps of the conducting strip.

Description

Plug internal frame improved structure

The utility model provides a kind of plug internal frame improved structure, and You Zhiqi can not get loose when grounding leg and conducting strip are assembled in the internal frame body, is beneficial to the shaping work of follow-up header body.

On known, the tripod type plug that includes a grounding leg and two conducting strips, be this grounding leg and two conducting strips to be located at an internal frame body in advance and after locating, connect in this grounding leg and conducting strip again and establish conductor wire, then this internal frame body is placed together with this grounding leg and conducting strip and carry out ejection formation in the mould, make plastic material that this internal frame body and partial earthing pin, conducting strip and conductor wire are enveloped and fix.

As shown in Figures 3 and 4, known plug internal frame body A structure, be to make in one-body molded mode, its the upper end be formed with one take the shape of the letter U on notch A1, and a projection A11 upwards is equipped with in the bottom that should go up notch A1, and be respectively equipped with a side channel mouth A2 below two side joints of this internal frame body A are near, and the outboard end of this side channel mouth A2 is to form opening.Moreover general grounding leg 2 is to form be provided with a hole 21 near the end, and grounding leg 2 external diameters that should circle are slightly larger than the width of the above-mentioned notch A1 of going up; Conducting strip 3 then is respectively equipped with a breach 31 in relative two sides near the end, and the width of this breach 31 is slightly less than the width of above-mentioned side channel mouth A2; By this, during its combination, be that grounding leg 2 is forced into notch A1 on this, make its hole 21 be inserted in projection A11 simultaneously and locate, the breach 31 of conducting strip 3 then is forced into corresponding to the upper and lower end of this side channel mouth A2 with fixing, this grounding leg 2 then has been pre-formed opening with the end of conducting strip 3, this opening clamping is fixed conductor wire with it after this opening is inserted conductor wire again, and then this internal frame body A that is combined with grounding leg 2 and conducting strip 3 is inserted carry out ejection formation in the mould to make plug.Yet, because the side channel mouth A2 of above-mentioned traditional internal frame body A only is inserted in conducting strip 3 wherein in the press fit mode, and do not have other elements to fix, thereby after conducting strip 3 and grounding leg 2 are combined in internal frame body A and when carrying, one when accidentally making conducting strip 3 meet other objects slightly, and this conducting strip 3 will be come off by dial-out by outside notch A2 very easily; Grounding leg 2 then passes the positioning action of its hole 21 and difficult the disengaging owing to be subjected to projection A11.Improved at the disappearance that above-mentioned traditional plug internal frame comes off after the assembling conducting strip easily with, the utility model.

Main purpose of the present utility model is providing a kind of plug internal frame improved structure, is after being located at conducting strip in the side channel mouth, this side channel mouth sealing can be come off from the side channel mouth to avoid conducting strip.

Based on this, plug internal frame improved structure provided by the utility model, be provided with one at the internal frame body and be positioned at notch on the upper end, with two side channel mouths that lay respectively at relative two sides, make the urgent combination of notch voltage supply grounding leg on this, and the combination conducting strip is compeled in this two side channel mouths difference voltage supply, it is characterized in that: the outer side edges of this side channel mouth is provided with a upright sidewall, and the upper end of this sidewall is provided with the turnover piece that can transfer relatively, the end of this turnover piece is provided with a blocking part, after making the breach of this conducting strip be inserted in this side channel mouth, be able to this turnover piece is covered in this side channel mouth, and this blocking part embedding pulled fix in the recess of this internal frame body; Wherein the side of this turnover piece is provided with one and inserts the piece of pulling, and when making this turnover piece be covered in this side channel mouth, gets so that should insert the piece of pulling and inserts the breach that this side channel mouth also inserts this conducting strip simultaneously, to fix this conducting strip; Wherein this turnover piece, blocking part and the slotting piece of pulling are to make with this body by integral forming of internal frame.

Your auditor other purposes of the present utility model and function can make be easier to understand after cooperating following accompanying drawing to be described further, wherein:

Fig. 1 is for showing internal frame body construction of the present utility model, and the three-dimensional exploded view of itself and grounding leg and conducting strip syntagmatic;

Fig. 2 is the plan view of the form after the elements combination of displayed map 1;

Fig. 3 is for showing known internal frame body construction, and the three-dimensional exploded view of itself and grounding leg and conducting strip syntagmatic;

Fig. 4 is the plan view of the form after the elements combination of displayed map 3.

As shown in Figure 1, plug internal frame improved structure provided by the utility model, be to form an internal frame body in one-body molded mode, make this internal frame body 1 the upper end form a U-shaped on notch 11, should go up the then upwards prominent projection 111 of establishing in bottom of notch 11, relative two sides near the below in this internal frame body 1 are formed with the side channel mouth 12 of opening towards the top respectively again, the outer side edges of this side channel mouth 12 then forms one and is upright sidewall 13, the upper end one of this sidewall 13 is provided with the turnover piece 14 that can transfer relatively, be connected with the link piece of intensity by having enough toughness between this turnover piece 14 and the sidewall 13, the end of this turnover piece 14 is integrally formed with a cylindrical blocking part 141, and the side one of this turnover piece 14 has extended one and has inserted the piece 142 of pulling, again, two sidewalls of this internal frame body 1 are respectively equipped with one and are horizontal half-round recessed 15, and outstanding laterally flange 16.

General grounding leg 2 is to form be provided with a hole 21 near the end, and grounding leg 2 external diameters that should circle are slightly larger than the width of above-mentioned notch 11; Conducting strip 3 then is respectively equipped with a breach 31 in relative two sides near the end, and the width of this breach 31 is slightly less than the width of above-mentioned side channel mouth 12.By this, during its combination, be that grounding leg 2 is forced into notch 11 on this, make its hole 21 be inserted in projection 111 simultaneously and locate, the breach 31 of conducting strip 3 then is forced into corresponding to this side channel mouth 12, make the bottom of side channel mouth 12 be inserted in this breach 31, will transfer piece 14 upset then and be covered in the opening of this side channel mouth 12; When it covers, should insert the piece 142 of pulling and to touch flange 16 earlier, must be pressed into side channel mouth 12 with turnover piece 14 so that the piece 142 of should slotting pulling is forced in the side channel mouth 12 and the breach 31 of conducting strip 3 by force this moment, together seasonal these blocking part 141 embeddings are pulled and are fixed in the recess 15 of internal frame body 1, make conducting strip 3 can and not go out (as shown in Figure 2) by 12 disengagings of side channel mouth, and conducting strip 3 also can be in side channel mouth 12 axially moves, even thereby also can not come off when touching this conducting strip 3 accidentally when carrying.This grounding leg 2 then has been pre-formed opening with the end of conducting strip 3, after this opening is inserted conductor wire, again this opening clamping is fixed conductor wire with it, and then this is combined with grounding leg 2 inserts with internal frame body 1 of conducting strip 3 and carry out ejection formation in the mould to make plug.

The above person only is in order to explain preferred embodiment of the present utility model; be not that attempt is done any pro forma restriction to the utility model according to this; be with; all have in that identical creation spirit is following do relevant any modification of the present utility model or change, all must be included in the category of the utility model intention protection.

Claims

1. plug internal frame improved structure, be provided with one at the internal frame body and be positioned at notch on the upper end,, make the urgent combination of notch voltage supply grounding leg on this with two side channel mouths that lay respectively at relative two sides, and the combination conducting strip is compeled in this two side channel mouths difference voltage supply, it is characterized in that:

The outer side edges of this side channel mouth is respectively equipped with a upright sidewall, and the upper end of this sidewall is provided with the turnover piece that can transfer relatively, the end of this turnover piece is provided with a blocking part, after making the breach of this conducting strip be inserted in this side channel mouth, the piece that is able to transfer is covered in this side channel mouth, and makes this blocking part embedding pull in the recess of this internal frame body and fix.

2. according to the described plug internal frame of claim 1 improved structure, it is characterized in that wherein the side of this turnover piece is provided with one and inserts the piece of pulling, when making this turnover piece be covered in this side channel mouth, got so that should insert the piece of pulling and inserted the breach that this side channel mouth also inserts this conducting strip simultaneously, to fix this conducting strip.

3. plug internal frame improved structure according to claim 1 is characterized in that, wherein, this turnover piece, blocking part and the slotting piece of pulling are to make with this body by integral forming of internal frame.