CN201163675Y

CN201163675Y - Insertion sleeve of power socket

Info

Publication number: CN201163675Y
Application number: CNU2008200072207U
Authority: CN
Inventors: 庄传川; 孙全周; 毕克曼
Original assignee: Siemens AG
Current assignee: Siemens AG
Priority date: 2008-02-29
Filing date: 2008-02-29
Publication date: 2008-12-10
Anticipated expiration: 2018-02-28

Abstract

The utility model provides a plug bush of a power socket. The plug bush is made of a strip platy metal sheet; the plug bush is lengthwise provided with two end parts (51, 52); at least one side of the plug bush along a transverse centerline is provided with a rectangular connecting region (53); two long sides and a short side in the connecting region are separated from the metal sheet;; the other short side is still connected with the metal sheet (5) together; two end parts relatively bended form a contact part of the plug bush; and the connecting region is bended towards the opposite direction to form a connecting part of the plug bush. The plug bush is suitable for inserted ports with different polarities in the socket, has flexible design and substantially reduces manufacturing cost. Simultaneously, the plug bush has the advantages of simple structure, convenient production, rapid assembly and firm mounting.

Description

The sleeve of supply socket

Technical field

The utility model relates to the sleeve of a kind of supply socket or power supply changeover device, particularly a kind ofly can exchange the sleeve that uses at the insertion mouth of socket opposed polarity.

Background technology

Supply socket is an electric accessories commonly used in the daily life, common socket comprises two pole sockets, three pole sockets, two utmost points, three utmost point disjunctor sockets etc., it mainly is made up of plastic casing and the sleeve that is arranged in the plastic casing, and sleeve is by conductive metallic material manufacturings such as copper.

Disclose a kind of socket among the China utility model patent CN2705911Y, the sleeve with three utmost points or two utmost points, three utmost point disjunctor sockets wherein is provided.Figure 1 shows that in this background technology the schematic diagram of sleeve in a kind of two utmost points, three utmost point disjunctor sockets, comprising a live wire sleeve 1, a zero line sleeve 2 and a ground wire sleeve 4.Fig. 2 A is depicted as the structural representation of zero line sleeve 2 wherein, Fig. 2 B is the zero line and the live wire sleeve sheet metal shape schematic diagram of not final molding, have the contact chip 221,222,223,224 and 225 that processes on it, though the sheet metal shape that the two processes is identical, but in order to make zero line sleeve and live wire sleeve respectively, the overbending direction of some of them contact chip is opposite.Fig. 3 A is the structural representation of the ground wire sleeve 4 in this utility model socket, and Fig. 3 B is the ground wire sleeve 4 sheet metal shape schematic diagrames of not final molding.

In this utility model, processing ground wire sleeve 4 is different with the shape of the sheet metal of live wire sleeve 1, zero line sleeve 2, even the sheet metal shape of processing live wire, zero line sleeve is identical, the direction of its bending is difference to some extent still.In large batch of production, can not exchange between ground wire, live wire and zero line sleeve, can increase manufacturing cost.

In addition, comparison diagram 2A and Fig. 2 B, Fig. 3 A and Fig. 3 B can find, in order finally to make sleeve, bend sheet metal (shown in dotted line among Fig. 3 B) along orthogonal direction.Under normal conditions, be stamped to form behind the sheet metal drawn of manufacturing sleeve, metal sheet is when stretched processing, and the lattice of material can produce anisotropy, if therefore sheet metal otherwise with direction on bending could form sleeve, can reduce the durability of sleeve.

The utility model content

But the purpose of this utility model provides live wire in a kind of power supply source socket, zero line and ground wire and exchanges the sleeve that uses, and this sleeve economy simple in structure, easily manufactured, installs firmly.

The purpose of this utility model can be achieved through the following technical solutions: a kind of sleeve of supply socket, comprise a contact portion and a coupling part, make by the sheet metal that single bar shaped is tabular, this sheet metal two ends are vertically arranged, have a rectangular substantially bonding pad at least one side along this sheet metal transversal centerline, in this bonding pad, separate with sheet metal with vertical two the long limits in the same way of sheet metal, a minor face near longitudinal end also separates with sheet metal, and still links together with sheet metal near a minor face of transversal centerline.Described contact portion is bent relatively and is formed by two ends of sheet metal, and described coupling part is bent and forms to the direction opposite with contact portion from described minor face by the described bonding pad of this sheet metal.

In sleeve of the present utility model, can also have two and be symmetrically distributed in rectangular substantially bonding pad, sheet metal transversal centerline both sides.

In sleeve of the present utility model, the end of its coupling part can bend.

In sleeve of the present utility model, two ends can be separated from each other laterally at the end of the part that contacts.

In sleeve of the present utility model, the cross section of the sleeve that forms after two ends bend relatively is roughly down " Ω " shape.

Because sleeve of the present utility model goes for the insertion mouth of opposed polarity in the supply socket, therefore manufacture and design flexibly, good interchangeability is arranged.

In addition, sleeve of the present utility model forms through a pressing and bending by the tabular sheet metal of a bar shaped, and all broken lines all are parallel, can make full use of material man-hour adding, and step is few, and waste material is few, reduces manufacturing cost in suitability for industrialized production significantly.The structure of sleeve is simple more simultaneously, production process is simple, assembles convenient.

In addition, in the socket of the present utility model, there is a bending terminal brace end of its sleeve, thereby the terminal brace can be fixed on the plastic feet of socket firmly, makes its easy-to-connect, firm.

Description of drawings

The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein:

Fig. 1 is the structural representation of sleeve in two utmost points, three utmost point disjunctor sockets of utility model patent CN2705911Y;

Fig. 2 A is the structural representation of zero line sleeve in the socket shown in Figure 1;

Fig. 2 B is the shape schematic diagram of the sheet metal of zero line sleeve shown in the shop drawings 2A;

Fig. 3 A is the structural representation of ground wire sleeve in the socket shown in Figure 1;

Fig. 3 B is the shape schematic diagram of the sheet metal of ground wire sleeve shown in the shop drawings 3A;

Fig. 4 is a schematic diagram of making the sheet metal shape of a kind of sleeve of the present utility model;

Fig. 5 is through being bent to form the structural representation of the utility model sleeve with sheet metal shown in Figure 4;

Fig. 6 is the partial schematic diagram of sleeve of the present utility model installment state in supply socket.

Embodiment

Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast description of drawings embodiment of the present utility model.Wherein, identical parts adopt identical label.

As shown in Figure 4, in an embodiment of the present utility model, sleeve is made by a tabular sheet metal 5 of bar shaped, sheet metal 5 two

ends

51 and 52 are vertically arranged, the bonding pad 53 that a rectangle is arranged in the side along sheet metal 5 transversal centerline AA ', in this bonding pad 53, separate with sheet metal 5 with sheet metal 5 vertical two long limits in the same way, a minor face of close longitudinal end separates with sheet metal 5.As shown in phantom in Figure 4,531 of minor faces near transversal centerline still link together with sheet metal 5 in the bonding pad 53.Separate with sheet metal 5 in the bonding pad 53 part, can punch forming in the lump when punched metal sheet 5, it is separated with sheet metal 5.Certainly, those skilled in the art can understand, and said here " rectangle " is not the rectangle on the strict geometry meaning, and any lead angle, tolerance that exists for processing metallic all should be in being included in described " rectangle " scope.

In an alternative embodiment of the invention, bonding pad 53 can be two (not shown) that are symmetrically distributed along sheet metal 5 transversal centerline.The shape that it will be understood by those skilled in the art that sleeve is symmetrical, and the interchangeability when it uses in socket is just good more.

Referring to Fig. 5, the relative bending in two ends 51 of sheet metal 5 with 52, form a contact portion of sleeve, and bonding pad 53 bends to the direction opposite with contact portion from minor face 531, form the coupling part of sleeve, thereby form a sleeve that comprises a contact portion and a coupling part.

The end 51 of sheet metal 5 and 52 cross section of the sleeve of bending back formation usually is roughly down " Ω " shape, also can be bent into the shape that other are fit to, for example the cross section is the different shape of triangle, pentagon, " U " shape etc., as long as the plug that the firm clamping of energy is inserted.In an embodiment of the present utility model, the end 51 of sheet metal 5 and 52 terminal outwards separately be converted into two spigot surfaces that the cross section is roughly down " eight " font so that the plug insertion.

In another embodiment of the present utility model, bonding pad 53 also has the end 532 of a bending, is beneficial to sleeve fixing in socket.As shown in Figure 6, metal (as copper) has better elastic and conductivity usually, and two ends 51 in the contact portion and 52 bending backs clamp mutually, and in the use, after attaching plug inserted contact portion, end 51 closely contacted with plug with 52 and conducts electricity.Bonding pad 53 is connected with the power supply terminal 8 that is connected to power line.In this embodiment, the bending end 532 of bonding pad 53 is stuck in the base 7 of socket, fixedly secures bonding pad 53, prevents that it from moving, even do not process fixing hole commonly used in the prior art like this on the sheet metal, can prevent sleeve and power supply terminal 8 loose contacts yet.

The direction of coupling part folded end or angle etc. in the utility model sleeve, those of ordinary skills can be according to the operating position specific design, as long as folded end 532 can be stuck in the base of socket.

In three representative in the past pole sockets, different polarity is usually by using different sleeves, the very flexible of design, and three plugs of socket of the present utility model insert mouth and have all used identical sleeve, interchangeability is good, can save manufacturing cost greatly and simplify production process.It will be appreciated by those skilled in the art that in actual applications, also the collocation of the sleeve of above-mentioned sleeve and other structure can be used, also be about to the sleeve of said structure independent be applied to one of them or two utmost points.Simultaneously, sleeve of the present utility model not only can be applied to also can be applicable to other socket in above-mentioned three pole sockets, in two pole sockets or two utmost points, three utmost point disjunctor sockets.

Generally formed by the sheet metal bending after the punching press at existing sleeve in addition, when punching press T shape sheet metal, the metal material of side breach is taken as waste material and gets rid of, and has caused very big waste.Sleeve of the present utility model then is to form by a tabular sheet metal bending of bar shaped, and the tabular sheet metal of this bar shaped only needs punching press little metal material just can obtain, and therefore can reduce waste of material, reduces manufacturing cost in suitability for industrialized production significantly.Structure is simple more simultaneously, production process is simple, assembles convenient.

The end of the coupling part of common in addition sleeve is straight, thereby makes the end of sleeve be difficult for fixing, and tilts easy wrong or insecure during wiring easily when installation and use.In the sleeve of the present utility model, the end that has bending of the coupling part of its sleeve, thus the coupling part can be fixed on the base of socket firmly, make its easy-to-connect, firm.

The above only is the schematic embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations, the modification of being done under the prerequisite that does not break away from design of the present utility model and principle and combining all should belong to the scope of the utility model protection.

Claims

1. the sleeve of a supply socket comprises a contact portion and a coupling part, is made by the tabular sheet metal of single bar shaped (5); It is characterized in that,

This sheet metal (5) two ends (51,52) are vertically arranged, and a rectangular substantially bonding pad (53) is arranged at least one side along this sheet metal (5) transversal centerline, in this bonding pad (53), separate with sheet metal (5) with vertical two the long limits in the same way of sheet metal (5), a minor face near longitudinal end also separates with sheet metal (5), and still links together with sheet metal (5) near a minor face (531) of transversal centerline;

Described contact portion is bent relatively and is formed by described two ends of this sheet metal (5) (51,52), and described coupling part is formed to the direction bending opposite with contact portion from described minor face (531) by the described bonding pad of this sheet metal (5) (53).

2, sleeve according to claim 1, wherein, described sheet metal (5) has two the described rectangular substantially bonding pads (53) that distribute along its transversal centerline bilateral symmetry.

3. sleeve according to claim 1 and 2, wherein, described coupling part has the end (532) of bending.

4. sleeve according to claim 1, wherein, described two ends (51,52) separate laterally at the end of the part that contacts.

5. sleeve according to claim 1, wherein, described two ends (51,52) cross section of the sleeve of bending back formation relatively are roughly down " Ω " shape.