CN201075441Y

CN201075441Y - Replaceable power-supply plug

Info

Publication number: CN201075441Y
Application number: CNU2007200537479U
Authority: CN
Inventors: 郑纯
Original assignee: YINGFU (DONGGUAN) ELECTRICAL PRODUCTS CO Ltd
Current assignee: YINGFU (DONGGUAN) ELECTRICAL PRODUCTS CO Ltd
Priority date: 2007-07-05
Filing date: 2007-07-05
Publication date: 2008-06-18
Anticipated expiration: 2017-07-05

Abstract

The utility model relates to a plug, in particular to a replaceable power plug. The replaceable power plug comprises a socket and a plug with a post. The socket is provided with a binding part formed and the binding part is provided with two upright and exserted contact chips stretching from the interior of the socket. The plug is provided with a bump matching with the binding part and a runner for the contact chips sliding is arranged in the bump. The connection between the bump and the binding part is detachable embedded connection. The utility model can overcome the shortcomings of electric appliances restricted by the socket and short lifetime, etc. The utility model can use plugs of different types in the same socket and the post on the plug can be designed to various styles and shapes so as to meet the demand of various sockets for different states and bring great convenience to the users of electric appliances. Moreover, the utility model has long lifetime and greater market competitiveness.

Description

Replaceable attaching plug

Technical field:

The utility model relates to a kind of power connector technical field of electric equipment products, refers in particular to a kind of replaceable attaching plug.

Background technology:

Common household electrical appliance, as computer, television set, refrigerator, electric fan, air-conditioning etc. different plugs is arranged all, what have is 3-phase plug, what have is two-pin plug, and because the specification requirement of country variant, also there is difference in the cross section of conduction inserting column, there is circle that rectangle etc. is also arranged, so that in actual use, be difficult to find the socket that corresponding jack is arranged sometimes, bring inconvenience for the use and the indoor layout of electrical equipment.In addition, some compact electric apparatus articles for use needs the articles for use of charging as mobile phone, MP3, game machine etc., also can run into similar problem, when carry go out after, often be difficult to find suitable socket, bring very big inconvenience to the user.Also have some electrical equipment owing to need take to abroad, and the receptacle sockets difference of various countries can cause also and can not use.

At above-mentioned situation, the someone designs detachable plug, and this plug is made of two parts: connector assembly and plug.Wherein connector assembly is connected with electric equipment, and the dismountable cooperation of plug is installed on the connector assembly, and can the arrange in pairs or groups plug of many moneys different size of such connector assembly is to adapt to the supply socket of different size.Though this product can bring a lot of facilities to people, in design, also have certain deficiency, this series products at present, the connected mode structure between its connector assembly and the plug built on the sand, useful life is shorter, has limited the use of product.For example, present a product adopts the fixing fixed form of fastener spring piece, promptly at first plug is fixed on the connector assembly, by the Elastic buckle mode the two is fixed again, prevents its separation.Adopt this mode, because in the use, the impact that shell fragment constantly is out of shape, after long-time use, it is tired that its material will produce, yielding and lose elastic force, cause at last easily to get loose between plug and the connector assembly, thus can't the two is fixing.

Another aspect because independent moulding respectively between connector assembly and the plug, when the two in conjunction with the time must guarantee that the electrical connection between the two is stable, and in the present product, also there is similar problem in the connection of product current-carrying part, causes the result of loose contact easily, influences the normal use of product.

In sum, in order to overcome the deficiency of the said goods, the inventor designs the utility model.

The utility model content:

Technical problem to be solved in the utility model just is to provide a kind of long service life, can conveniently replaces the replaceable attaching plug that the difformity inserting column adapts to each supply socket.

For solving the problems of the technologies described above, the utility model has adopted following scheme: the utility model comprises: the plug of a connector assembly and a band inserting column, form a joint portion on the described connector assembly, be provided with in this joint portion from connector assembly and internally extend two next contact chips, this plug is provided with the projection that is complementary with the joint portion, be provided with the chute that slides for contact chip in this projection, be connected for detachable inlay card between this projection and the joint portion.

Described joint portion is a groove, and the both sides of this joint portion form a draw-in groove, and the projection of described plug forms and the corresponding edge of draw-in groove, and this edge snaps in and forms the inlay card connection in this draw-in groove.

Being provided with conductive component and contact chip in the described chute and forming conduction and contact, for conduction is connected, and is to conduct electricity to be connected between the interior conductive component of the chute on the plug and the inserting column between the external wire of contact chip and connector assembly.

Also form hook part on the described plug, form on the connector assembly and the corresponding muscle of buckleing of hook part.

Described hook part is positioned at the front end of plug upper edge projection direction of insertion, and the end face of this hook part is cambered surface, and described button muscle is positioned at the end of upper edge, joint portion projection direction of insertion, slick and sly projection in the middle of the button muscle, the cross section approximate trapezoid of promptly detaining muscle.

During use, plug is by in the joint portion on the projection insertion connector assembly, hook part on the plug is by self cambered surface, by the strain of material with connector assembly on convex tendon form buckle and be connected, convex tendon on the same connector assembly is by self cambered surface, by the strain of material with plug on hook part form buckle and be connected, with integral body use of connector assembly and plug formation.Meanwhile, the conductive component in the plug conducts electricity with the contact chip formation on the connector assembly and contacts, and guarantees circuit communication, gets final product in the jack with the insertion of the inserting column on plug supply socket correspondence at last.

In sum, the utility model can overcome the restriction that electrical equipment is subjected to socket, can be used for the supply socket of various different sizes easily, the utility model utilizes the elasticity of material itself to form the buckle connection simultaneously, make this structure firm, long service life, and the utility model adopts stable that resilient, conductive member guarantees to be electrically connected.

The utility model can use the plug of different model on same connector assembly, inserting column on the plug can be designed to various styles and different shape, with the demand of the various connector assemblies that satisfy country variant, brings great convenience for the electrical equipment user, and long service life has the bigger market competitiveness.

Description of drawings:

Below in conjunction with accompanying drawing to the utility model further instruction:

Fig. 1 is the stereogram of the utility model embodiment one;

Fig. 2 is the utility model embodiment one three-dimensional exploded view;

Fig. 3 is the internal structure schematic diagram of the utility model embodiment two;

Fig. 4 is the connector assembly internal structure schematic diagram of the utility model embodiment two;

Fig. 5 is the stereogram of the utility model embodiment two plugs;

Fig. 6 is the stereogram of the utility model embodiment three plugs;

Fig. 7 is the stereogram of the utility model embodiment four plugs.

Embodiment:

See Fig. 1,2, the utility model comprises: the plug of a connector assembly 1 and a band inserting column 21, the two independent moulding is combined as a whole during use.

Form a joint portion 11 on the connector assembly 1, be provided with two contact chips 12 that internally extend and vertically give prominence to from connector assembly 1 in this joint portion 11.This plug 2 is provided with the projection 22 that is complementary with joint portion 11, is provided with the chute 222 that slides for contact chip 12 in this projection 22.

Above-mentioned joint portion 1 is the groove shape, and it has the openend that inserts for projection 22.The both sides of these joint portion 11 grooves form a draw-in groove 111, and this projection 22 forms the edge 221 corresponding with draw-in groove 111.When the openend of joint portion inserted, draw-in groove 111 cooperated with edge 221 formation cutting ferrules, separates with connector assembly 1 to prevent plug 2 with the projection 22 of plug 2.

See Fig. 3,4, be provided with conductive component 223 in the chute 222 of plug 2 and contact that contact chip 12 is connected the outer conductor conduction with connector assembly 1, and the conductive component 223 in the chute 222 on the plug 2 is connected with inserting column 21 conductions with contact chip 12 conductions.This conductive component 223 is that an elasticity presses sheet.When plug 2 inserted joint portion 11, contact chip 12 entered plug 2 inner conductions with conductive component 223 formation along chute 222 and contacts.Because conductive component 223 for elasticity presses sheet, so contact chip 12 will produce thrust to conductive component, to make the two stable contact, is guaranteed the connection of circuit.

Also form hook part 23 on the plug 2, form on the connector assembly 1 and the hook part 23 corresponding muscle 13 of buckleing.This hook part 23 is positioned at the front end of projection 21 direction of insertion, its end face is a cambered surface, and this button muscle 13 is positioned at the opposition side of relative joint portion 11 openings, one end, slick and sly projection in the middle of it, promptly detain the cross section of muscle 13 approximate one trapezoidal, design is convenient to hook part 23 and is detained card between the muscle 13 and establish and be connected like this.Cooperating between this hook part 23 and the convex tendon 13 can prevent that plug 2 from getting loose.

During use, in the joint portion 11 that plug 2 inserts on the connector assemblies 1 by projection 22, the hook part 23 on the plug 2 forms card and establishes and be connected with convex tendon 13 on the connector assembly 1 by the strain of the cambered surface on the hook part 23 and himself material; In like manner, the convex tendon 13 on the connector assembly 1 forms card and establishes and be connected with hook part 23 on the plug 2 by the distortion of the cambered surface on the convex tendon 13 and himself elastic properties of materials, forms an integral body use.Simultaneously, contact chip 12 along chute 222 enter plug 2 inner form to conduct electricity with conductive component 223 contact.At last, get final product in the jack with the 21 insertion supply socket correspondences of the inserting column on the plug 2.

See Fig. 5,6,7, other specifications figure of plug of the present utility model certainly, can also be designed to other shapes, as required to satisfy the demands of consumers.

In sum, the utility model can overcome short etc. deficiency of restriction, useful life that electrical equipment is subjected to socket, the utility model can use the plug of different model on same connector assembly, inserting column on the plug can be designed to various styles and different shape, demand with the various connector assemblies that satisfy country variant, bring great convenience for the electrical equipment user, and long service life, the bigger market competitiveness had.

Certainly, the above only is an example of the present utility model, be not to limit the utility model practical range, all according to the described structure of the utility model claim, feature, and the equivalence done of principle change or modify, all should be within the utility model claim.

Claims

1. replaceable attaching plug, the plug (2) that comprises a connector assembly (1) and a band inserting column (21), it is characterized in that: form a joint portion (11) on the described connector assembly (1), be provided with in this joint portion (11) from connector assembly (1) and internally extend next two contact chips (12), this plug (2) is provided with the projection (22) that is complementary with joint portion (11), be provided with in this projection (22) for the chute (222) that slides of contact chip (12), be connected for detachable inlay card between this projection (22) and joint portion (11).

2. replaceable attaching plug according to claim 1, it is characterized in that: described joint portion (11) are a groove, the both sides of this joint portion (11) form a draw-in groove (111), the projection (22) of described plug (2) forms and the corresponding edge of draw-in groove (111) (221), and this edge (221) snaps in and forms the inlay card connection in this draw-in groove (111).

3. replaceable attaching plug according to claim 1, it is characterized in that: be provided with conductive component (223) in the described chute (222) and contact with contact chip (12) formation conduction, for conduction is connected, and be to conduct electricity to be connected between the conductive component (223) in the chute (222) on the plug (2) and the inserting column (21) between the external wire of contact chip (12) and connector assembly (1).

4. replaceable attaching plug according to claim 1 is characterized in that: also form hook part (23) on the described plug (2), form on the connector assembly (1) and the corresponding muscle (13) of buckleing of hook part (23).

5. replaceable attaching plug according to claim 4, it is characterized in that: described hook part (23) is positioned at the front end of plug (2) upper edge projection (22) direction of insertion, and the end face of this hook part (23) is a cambered surface, described button muscle (13) is positioned at the end of joint portion (11) upper edge projection (22) direction of insertion, slick and sly projection in the middle of the button muscle (13), the cross section approximate trapezoid of promptly detaining muscle (13).