CN202513290U

CN202513290U - Electric connection mechanism

Info

Publication number: CN202513290U
Application number: CN2012200594646U
Authority: CN
Inventors: 邱景志; 谭焕志
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-14
Filing date: 2012-02-14
Publication date: 2012-10-31
Anticipated expiration: 2022-02-14

Abstract

The utility model relates to an electric connection mechanism, comprising a connecting terminal and a connecting piece on an electrical device, wherein the connecting terminal is formed by stamping and bending a piece of sheet metal into a substrate and a pressing part, the substrate is provided with buckle holes, one side of the pressing part facing the buckle hole is provided with raised heads just opposite to the buckle holes, the connecting piece on the electrical device is arranged between the substrate and the pressing part, the connecting piece is provided with buckle heads at the positions just opposite to the buckle holes, and the buckle heads are formed by pressing the raised heads of the pressing part and are pressed into the buckle holes when the pressing part is pressed towards the connecting piece. When in practical use, the connecting piece is placed between the substrate and the pressing part of the connecting terminal first, and then the connecting piece and the connecting terminal are placed in an extrusion mold to press the pressing part towards the substrate, thus the raised heads are pressed into the connecting piece, and the buckle heads clamping in the buckle holes are extruded on the other side of the connecting piece, thereby the connecting piece and the connecting terminal are fixed to each other.

Description

Electrical connection mechanism

Technical field

The utility model relates to a kind of electrical connection mechanism.

Background technology

Existingly be electrically connected the terminals that mechanism comprises binding post and electric device; Wherein the terminals of electric device can be the lug plate or the columned binding posts of sheet; Connector on the binding post is connected with lead fixed; Binding post entangles lug plate or binding post and utilizes the flexure strip on the binding post to compress lug plate or binding post, thereby the terminals that guarantee binding post and electric device electrically contact, and makes electric current flow into electric device through the terminals of binding post and electric device; Binding post almost encases whole lug plate, so the material that uses is more; Because the time one is long, when the flexibility decrease of the flexure strip on the binding post, particularly electric device were electric heating element (like the PTC element), the elasticity of the back flexure strip that is heated descended rapidly, thereby causes loose contact, so influence its useful life or reduce its reliability.

Summary of the invention

The purpose of the utility model is in order to solve the problem that the reliability that exists in the existing electrical connection mechanism is low, the life-span is short, and a kind of simple in structure, electrical connection mechanism that reliability is high is provided.

The purpose of the utility model is achieved in that a kind of electrical connection mechanism; Comprise the lug plate on binding post and the electric device; Said binding post is to become two parts of substrate and pressing portion by a sheet metal pressing and bending; Said substrate is provided with button hole; Said pressing portion is provided with the plush copper over against said button hole towards a side of said button hole, and the lug plate on the said electric device is between said substrate and pressing portion, and said lug plate is provided with over against the position of said button hole and when said lug plate is pressed in said pressing portion, receives the plush copper extruding of said pressing portion to form and be pressed into the discount in the said button hole.Earlier lug plate is put between the substrate and pressing portion of binding post during actual the use; Put into extrusion die then and make pressing portion pressed towards substrate; Said plush copper is pressed in the said lug plate and at the lug plate opposite side and squeezes out the discount that buckles in the said button hole, thereby lug plate and binding post are interfixed.

Said plush copper is stamped to form in pressing portion, and the pressing portion back side corresponding with this plush copper is blind hole.

On said substrate, stamp out card base; This card base and said pressing portion are positioned at the same side of said substrate; Lug plate on the said electric device is positioned in the space that said substrate and said card base and pressing portion surround; The effect of card base is that the butted line sheet plays further spacing or location, and lug plate is fixed together with binding post better.

Owing to adopted the described technical scheme of the utility model; Between the lug plate binding post, snapped together each other after the pressing by force through extruding between the lug plate of electrical equipment and the binding post; So it combines firmly, reliability is high, and simple in structure, increased card base after its fastness better; And card base on substrate directly punching press come out, can not increase the material (just having practiced thrift material) of binding post.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Fig. 1 is the perspective exploded view of an embodiment of the said electrical connection mechanism of the utility model.

Fig. 2 is the stereogram of another angle of Fig. 1 embodiment middle connecting terminal.

Fig. 3 is that the lug plate among Fig. 1 stretches into the stereogram in the binding post.

Fig. 4 is with the schematic perspective view of another angle of Fig. 3.

Fig. 5 is the stereo amplification figure of another angle of Fig. 2.

Among the figure 1, binding post, 10, connector, 11, substrate, 12, pressing portion, 13,14, card base, 15,16, blind hole, 2, electric device, 20, lug plate, 130,140, punching hole, 17,18, button hole, 150,160, plush copper.

Embodiment

See shown in Figure 1; Said electrical connection mechanism comprises the lug plate 20 on binding post 1 and the electric device 2, and the electric device of present embodiment is an electric heating element; Its lug plate 20 is an aluminium flake; Connector 10 on the binding post is fixedly connected with electric wire, both can also can both be fixed with the pressing mode electric wire and connector are fixing with scolding tin, so that the electric current in the electric wire can flow the main electrical scheme terminal.

In conjunction with Fig. 2 and Fig. 5; Binding post 1 is by the moulding of an iron plate pressing and bending; Wherein earlier go out two

card bases

13 and 14, two

plush coppers

150 and 160 from iron plate; Card base 13 is rushed out the back and on substrate 11,

reserves punching hole

130 and 140; Two

plush coppers

150 and 160 stamp out two blind holes 15 among Fig. 1 and formed in 16 o'clock at the back before the iron plate moulding, iron plate is bent into substrate shown in Figure 5 11 and pressing portion 12 two parts, and two boss 150 that pressing portion 12 is inboard and 160 are two button holes 17 on the substrate and 18 respectively.

In conjunction with Fig. 1, Fig. 3 and Fig. 4; The space size that is surrounded by substrate 11, two

card bases

13 and 14, pressing portions 12 is suitable with the lug plate 20 on the electric device; Earlier the lug plate on the electric device 2 20 is inserted in the binding posts 1 by in substrate 11, pressing portion 12, two spaces that

card base

13 and 14 surrounds; As shown in Figure 3; Thereby lug plate 20 roughly is positioned in the binding post, then disjunctor shown in Figure 3 is put into the stamping die (also can place it on the iron plate and directly impact pressing portion surface) of punch press, lug plate 20 is pressed in pressing portion 12 with hammer; Two inboard plush coppers of pressing portion are pressed in the lug plate 20 of aluminium matter and lug plate 20 are squeezed into 18 places generation local deformation over against two button holes 17 towards a side of substrate 11 and form discount in two button holes, thereby binding post and lug plate is fixed with each other.

In the foregoing description; Two plush coppers in the pressing portion and blind hole also can moulding in the operation of back; Tool is stopped method: need not directly punch forming plush copper and blind hole on binding post; And behind binding post that lug plate is packed into; Portion is downward to upper substrate with pressing; Use again a lower end for semicircle or pointed bump rod over against the pressing portion upside of each button hole of substrate respectively to button hole direction bump, make it directly to clash into blind hole in the pressing portion outside, promptly can go out corresponding plush copper to side impaction in should the pressing portion of blind hole and can lug plate squeezed out the discount that is pressed in the button hole over against the position of substrate button hole equally; Such result is identical with structure and the foregoing description; The weak point that is this method is: necessary accurate positioning during bump rod bump pressing portion, if the position of bump rod bump can not align the button hole on the substrate then be difficult to make lug plate extrusion modling discount in the substrate button hole, and locate when the binding post bending and molding position of plush copper in the foregoing description and button hole.

Button hole described in the utility model should be greater than said plush copper, otherwise its effect is undesirable.

Card base can omit in the present embodiment, and just the fastness of this moment will descend relatively.

Claims

1. electrical connection mechanism; Comprise the lug plate on binding post and the electric device; It is characterized in that said binding post is to become two parts of substrate and pressing portion by a sheet metal pressing and bending; Said substrate is provided with button hole; Said pressing portion is provided with the plush copper over against said button hole towards a side of said button hole, and the lug plate on the said electric device is between said substrate and pressing portion, and said lug plate is provided with over against the position of said button hole and when said lug plate is pressed in said pressing portion, receives the plush copper extruding of said pressing portion to form and be pressed into the discount in the said button hole.

2. according to the said electrical connection mechanism of claim 1, it is characterized in that said plush copper is stamped to form in pressing portion.

3. according to claim 1 or 2 said electrical connection mechanisms; It is characterized in that on said substrate, stamping out card base; This card base and said pressing portion are positioned at the same side of said substrate, and the lug plate on the said electric device is positioned in the space that said substrate and said card base and pressing portion surround.