CN2219547Y

CN2219547Y - Electrical connector

Info

Publication number: CN2219547Y
Application number: CN 95202582
Authority: CN
Inventors: 伯特兰·范达米
Original assignee: Connecteurs Cinch SA
Current assignee: Connecteurs Cinch SA
Priority date: 1995-02-09
Filing date: 1995-02-09
Publication date: 1996-02-07
Anticipated expiration: 2005-02-09

Abstract

The utility model relates to an electrical connector which can be mutually effected with plug-in type fittings to form electrical connection. The utility model comprises a device whose one end can be connected with a circuit, and the other end can be simultaneously bent to form a slot having a bottom surface. A top surface is opposite to the bottom surface, and an elastic band can be used for clamping the plug-in type fittings. The first part of the elastic band can press the bottom surface and can be extended to a slanting second part, the second part can be bent to form a hairpin shape and can be extended to a section distance towards the free end of the slot to press on one point of the top surface.

Description

Electrical connector

The utility model relates to a kind of being used for and electric wire, the electrical connector that circuit or similar device connect.More particularly, electrical connector of the present utility model is designed to interact with the electric joint of a plug-in type, also is furnished with and electric wire the device that circuit or similar device connect in order to realize connecting.

The electrical connector of prior art at one end includes the device that is connected with circuit, and the other end is a flute profile, has one and it to make whole or folded thereon an elastic webbing in the groove, is used for the clamping male member, is electrically connected with formation.Yet, have been found that the elastic webbing of prior art apparatus can be out of shape in use for some time.When producing distortion, connection is unclamped, and electric contact was simultaneously often lost efficacy.

One of the purpose of this utility model is to eliminate above-mentioned shortcoming.

Be designed to hold the form of male member according to electrical connector of the present utility model.An end of joint be provided with can and electric loop, electric wire for example, the device that printed circuit etc. connect.The other end is a flute profile, and it has a bottom surface and a side and an elastic webbing, is used for clamping male member at groove.Elastic webbing is novel, and novel part is that it has a second portion that is placed on the first on the bottom surface and acutangulates inclination for the bottom surface.This second portion is a U-shaped, preferably curves the hair clip shape.The one leg of second portion prolongs one section on a side relative with jockey, make its free end towards the bottom surface, can be pressed over like this on any on the side relative with the bottom surface.

So when the male member of electrical connector inserts in the electrical connector of the present utility model, male member will be clamped between the free end and first of elastic webbing.The first of elastic webbing preferably has a slight deformation part, forms the prolongation that bends to hairpin-shaped part.This distortion just in time can be pressed on any of a side relative with the bottom surface.As a result, when male member is thin, can obtain good especially connection.

On the other hand, when male member is thicker, makes male member can insert needed gap and can move by second portion more near the bottom surface and obtain elastic webbing.

Like this, even use the male member of different-thickness, also can effectively be electrically connected.In addition, because against the elastic reaction of pressured some reinforcing band of the side relative with the bottom surface, so the distortion of belt and damage and can reduce to minimum.

Groove can be four faces, but preferably cross section is a rectangle, and a bottom surface is arranged, two sides and an end face relative with the bottom surface, and there is long and narrow seam opening two sides at the free end of electrical connector.In a preferred embodiment, being electrically connected can be identical by using two, and the element that turns over toward each other and put upside down reaches.Like this, be embedded in the elastic webbing first of another element and constitute between the part of extension of hair clip shape part by first the elastic webbing of a part in the free end of bottom surface and two elements, another element is used with quadrat method and is placed in first element simultaneously, can realize being electrically connected.

The lower surface of the face relative with the bottom surface also can have a jut, and elastic webbing just abuts against on this jut.According to an embodiment of the present utility model, elastic webbing is made of a shaped portion near the jut on it.

In an embodiment of the present utility model, elastic webbing is that the prolongation by the bottom surface constitutes, and prolongation bends towards the inside of groove.In another embodiment, elastic webbing is made up of an independent block of material, and material is superimposed upon on the joint, and under latter event, the bottom surface of elastic webbing and groove can be made by different materials.

According to another embodiment, the bottom surface of device is designed to have a curved clip, is used to form the cavity that the first of an elastic webbing can insert.

For male member can more easily be inserted in the device of the present utility model, the free-ended end of elastic webbing has a curved portion, and it makes shaped form at a side direction relative with the bottom surface.Mention this point, the shaped form free end of elastic webbing preferably includes the part of a shaping, and it constitutes the jut facing to the bottom surface.In addition, a breach is arranged on the face relative with the bottom surface, it is positioned on the shaped form free end sustained height with elastic webbing.Like this, bigger male member also can be put into the groove of joint, and curved free end can be placed in the breach.

Now, the utility model carries out more detailed explanation with reference to some structural shape of only representing as an example in the accompanying drawings, wherein

Fig. 1 is the axle perspective view according to electrical connector of the present utility model.

Fig. 2 is another perspective view, but some parts is taken down.

Fig. 3 is the sectional view of the amplification of getting by the fore-and-aft plane of joint of the present utility model.

The view of Fig. 4 for getting with the same cross section of Fig. 3, but how the expression electrical connector works.

Fig. 5 is the perspective view of the modification of joint shown in Figure 1.

Fig. 6 is another embodiment's of the present utility model, the sectional view on the cross section as Fig. 3.

Fig. 7 still is the perspective view of the joint among another embodiment of the utility model.

Fig. 8 is the perspective view of joint shown in Figure 7, but some parts is taken down.

The sectional view of the amplification that Fig. 9 gets for the axial longitudinal section of the joint by Fig. 7.

Figure 10 is the sectional view of two assemblings same element together.

Figure 11 is the sectional view of the joint the same with the joint shown in Fig. 7～10, and smooth tongue piece is housed in the joint.

Below a preferred embodiment is described in detail

Joint shown in the figure is made by the high elastic sheet metal of conductivity, and suitably cuts and bend to fittings body 1, is provided with curved retained part 2 and 3 at an end of fittings body 1, is used to wrap up the crust 6 of electric wire.Fittings body 1 also is provided with shaped form retained part 4 and 5, is used to wrap up bare wire 7.

Fittings body 1 bends to the groove 9 that the cross section is a rectangle, groove has a bottom surface 10, two

sides

11 and 12 and two

parts

13 and 14 that upwards bend, in order to bottom surface 10 keeping parallelisms, form end face, as shown in the figure, bending

part

13 and 14 comprises the part 17 of a shaping, and it is formed on a jut in the groove 9.

Bottom surface 10 comprises a prolongation 18, and its bending constitutes elastic webbing.The 18a of first of elastic webbing is bending like this, even its pressured bottom surface 10, second portion 18b is along line 21 bendings, and depart from bottom surface 10 obliquely, third part 18c curves hair clip shape, and the 4th part 18d partly bends towards 18a, and is pressed on the shaped portion 17, and the terminal of the free end 18e of band 18d is the part of a bending on the opposite face of bottom surface.

Shaped portion 17 and folding line 21 are positioned at the same plane vertical with bottom surface 10.

As seen from Figure 3, between the second portion 18b of bottom surface 10 and elastic webbing, form an angle a who is about 15 °.When putting into a tongue piece 15 (as shown in Figure 4), this angle reduces.At work, when male member 15 is placed between the 18a of band and the 18d part, on 18c part, can not produce tangible distortion, on the contrary, whole prolongation try hard to round with folding line 21 corresponding lines inclinations, 18a and 18b are partly separated.Like this, the gap between branches of

band

18b and 18d is subjected to the restriction of shaped portion 17.This has just guaranteed, no matter the thickness of male member how, all can keep electric contact.

Another embodiment of joint shown in Fig. 5 presentation graphs 1～4.In the drawings, the element that adapts with element among the above figure adopts same reference number, but has added apostrophe.

Joint comprise fittings body 1 ', it have curved retained part 2 ', 3 ', 4 ' and 5 ', be used to make joint and electric wire 6 ' be connected.

Fittings body 1 ' be bent to form groove 9 ', it have a bottom surface 10 ', side 11 ' with the end face 13 of bottom surface 10 ' parallel '.

Bottom surface 10 ' a have prolongation 18 ', it bends as above-mentioned form, and forms elastic webbing.

The work of joint shown in Figure 5 is identical with the previous described mode in Fig. 1～4.Difference only groove 9 ' shape, it has only three faces.

Fig. 6 represents another alternative embodiment of the present invention, its center tap at one end is provided with the device that is connected with electric wire, as curved retained part 2,3,4 and 5 (not shown)s and fittings body 24, fittings body 24 has groove 26, groove has bottom surface 25, on two sides 27 and the

part

28,28 of bending up shaped portion 29 is arranged, its forms to the outstanding boss 30 in inside.

Bottom surface 25 has retained part 31, and it is crooked in groove, and makes up with bottom surface 25, forms a cavity, is with 33 to be inserted in the cavity.The 33a of first with 33 is pressed on the bottom surface 25, and second portion 33b bends along line 34, and departs from bottom surface 25 obliquely, and third part 33c curves hair clip shape, and the 4th part 33d is pressed on the shaped portion 30.As shown in the figure, the terminal of elastic webbing 33 is a shaped form part 33e.

The 33a of first preferably makes it fixing with respect to bottom surface 25 by throwing a curved clamping element 31 into.Another way is for example to make these parts make an integral body each other with welding method.

The working method of the joint of Fig. 6 and the working method shown in Fig. 1～4 be intact to be done identically, but can make with the material different with fittings body 24 with 33.These characteristics have sizable benefit for some specific application.

Fig. 7～11 expression the 3rd embodiment of the present invention, electrical connector in this case be designed to one identical, turn over relatively with it, and the element that reverses interacts.

Joint shown on these figure is to be made by the flexure strip of good conductivity, and it is cut and is bent into fittings body 41, and an end of fittings body 41 has curved retained part 42 and 43, is used to wrap up wire outer skin 46, and it also has curved retained part 44 and 45.Be used for clamping and peelled off the electric wire part 47 of crust.

Fittings body 41 is bent to form the groove 49 of square-section, and groove comprises 50, two sides 51, a bottom surface and 52 and two upwards bendings, and is parallel to the part 53 and 54 of bottom surface 50.Upward bent part is provided with breach 56 along its free edge.In addition, upwards bight portion can also have a shaped portion 57, and it forms a jut 59 in groove 49 inside near near the opposite side edge.On side 51 and each face of 52 all the free end at joint one long and narrow seam opening 55 is arranged.

Bottom surface 50 comprises a

prolongation

58,58 the 58a of first is bent into and is pressed on the bottom surface 50, second portion 58b is along line 61 bendings, and depart from bottom surface 50 obliquely, third part 58c curves hair clip shape, and the 4th part 58d partly tilts towards 58a, and be pressed on the jut 59, the terminal of the free end 58e of band 58d is a point 70, it makes shaped form towards the bight portion 53 and 54 that makes progress, and comprise a

shaped portion

71,71 and on the surface of free end 58e, form the opposite bending of a jut, jut in the 58e part.

In this embodiment of the present utility model, shaped portion 57, jut 59 and folding line 61 are positioned at the same plane vertical with bottom surface 50.

As seen from Figure 9, form an angle a who is about 15 ° between

bottom surface

50 and 58b part, when putting into, this angle reduces as an appropriate element (see figure 4) or a tongue piece 75 (seeing Figure 11).

Figure 10 for Fig. 7 and two identical electrical connectors as shown in Figure 9 between the sectional view of the connection that realizes.For figure is more readily understood, one of element A adopts the reference number that institute in Fig. 7～9 can usefulness, and the same label of another element B employing increases by 10 again.

Can clearly be seen that from Figure 10, male member for by

bottom surface

50 and 150 and 58a and the 158a of element A and B partly form.

Element B turns and is placed upside down in opposite direction with respect to element A, and two element A and B are embedded into certain distance each other, this distance is to guarantee the bottom surface of the bottom surface of narrow slit 55 against narrow slit 155, the 158a part is against jut 58a, and bottom surface 150 is against the jut 71 of the shaped portion of terminal 58c simultaneously.The bottom surface 50 of element A pressured the jut 171 of shaped portion of elastic webbing 158d.Can clearly be seen that from this figure angle [alpha] reduces, each joint A, the element of B are clamped between

elastic webbing

58a and 158d and 58a part and the 158d part effectively.

The joint of Figure 11 presentation graphs 6～9, its male member marks with 75.Male member 75 can be made of the simple flat sheet metal of good conductivity, is provided with the device that is connected with electric wire at the one end.In selected example, suppose that male member 75 is thicker, as can be seen, the 58b part distance that just in time tilts is enough to make it contact with

bottom surface

50, and 58c partly opens a little simultaneously.Should be noted that terminal 70 are inserted in the breach 56, make that the freedom of motion of 58c part is bigger.

From above explanation as can be known, the technology skilful person can understand basic characteristics of the present utility model at an easy rate, and can make various changes and improvements to the utility model, can not depart from spirit and scope of the present utility model to adapt to different application scenarios.

Claims

1. electrical connector, it has first terminal and second end, and described first terminally forms the device that is connected with circuit, and the device that the described second end formation is connected with another element, described jockey comprises:

-groove, it has bottom surface and side; With

-elastic webbing, it comprises the first of pressured described bottom surface and is the second portion of inclined at acute angles with respect to described bottom surface that described second portion is a U-shaped, and a free end is arranged.

2. according to the electrical connector of claim 1, it is characterized by described groove and also comprise an end face.

3. according to the electrical connector of claim 2, it is characterized by described end face and constitute for the part by described side, it is bent, and is parallel with described bottom surface.

4. according to the electrical connector of claim 3, it is characterized by described groove has three faces.

5. according to the electrical connector of claim 2, it is characterized by described groove and also comprise another side.

6. according to the electrical connector of claim 5, it is characterized by described groove cross section is rectangle.

7. according to the electrical connector of claim 5, it is characterized by described side has a free end, and long and narrow seam opening is arranged on the free end.

8. according to the electrical connector of claim 2, the described second portion that it is characterized by elastic webbing is bent into hair clip shape, and prolongs a segment distance towards described bottom surface.

9. electrical connector according to Claim 8 is characterized by described second portion and is pressed on any of the described end face relative with described bottom surface.

10. according to the electrical connector of claim 9, it is characterized by described end face has a lower surface, relative with described bottom surface, and described lower surface has a jut, and described second portion is pressed on the jut.

11. according to the electrical connector of claim 10, it is characterized by described jut is to be made of shaped portion.

12. according to the electrical connector of claim 1, it is characterized by described elastic webbing and described bottom surface is an integral body, and stretch in the described groove.

13. according to the electrical connector of claim 1, the described first that it is characterized by described elastic webbing is attached on the described bottom surface.

14., it is characterized by described elastic webbing and described bottom surface for to make with different materials according to the electrical connector of claim 13.

15. according to the electrical connector of claim 13, it is characterized by described bottom surface and constitute a cavity, the described first of described elastic webbing is inserted in the cavity.

16. according to the electrical connector of claim 15, it is characterized by described bottom surface and be provided with retained part, to form described cavity.

17. according to the electrical connector of claim 16, the described first that it is characterized by described elastic webbing is fixed on the described retained part.

18. according to the electrical connector of claim 2, the described free end that it is characterized by described elastic webbing is curved.

19. according to the electrical connector of claim 18, it is characterized by described free end and make shaped form, depart from described bottom surface in the direction of described end face.

20. according to the electrical connector of claim 19, it is characterized by described shaped form free end has a shaped portion.

21., it is characterized by described shaped portion and form a jut on the face of described bottom surface facing of described elastic webbing according to the electrical connector of claim 20.

22. according to the electrical connector of claim 21, it is characterized by described end face and be provided with an open area, it is relative with described bottom surface, with described shaped form free end on sustained height.