CN2805127Y

CN2805127Y - Electric connector with metal casing

Info

Publication number: CN2805127Y
Application number: CN 200520011860
Authority: CN
Inventors: 蔡周旋
Original assignee: TUOYANG IND CO Ltd
Current assignee: TUOYANG IND CO Ltd
Priority date: 2005-04-27
Filing date: 2005-04-27
Publication date: 2006-08-09
Anticipated expiration: 2015-04-27

Abstract

The utility model provides an electric connector with a metal casing, which comprises a plastic base body, a metal casing and at least an earthed component, wherein one side of the plastic base body is provided with at least two connecting parts which are arranged up and down; a plurality of terminals are arranged in the plastic base body; each terminal is provided with a foot connecting part which extends out of the plastic base body; the bottom of the plastic base body is provided with at least a convex positioning column by which the plastic base body is positioned with a positioning hole on a circuit board; the metal casing is sheathed and coated with the plastic base body; one side of the metal casing is provided with at least two open holes corresponding to the connecting parts of the plastic base body so the connecting parts of the plastic base body are communicated with the outer side; the earthed components are made of metal materials and are electrically connected with the metal casing; each earthed component is provided with at least an elastic clamping hook which extends to the lower part of the plastic base body so as to be clamped and positioned in a connecting hole of the circuit board. The utility model has the advantages that the manufacturing procedure of the metal casing can be simplified; the metal casing can be made from thin metal sheets, therefore the production costs can be reduced.

Description

Electric connector with metal shell

[technical field]

The utility model relates to a kind of electric connector, is meant a kind of electric connector with metal shell especially.

[background technology]

See also Fig. 1 and Fig. 2, electric connector for two universal serial bus of a kind of known connection (being called for short USB) joint and networking transmission (RJ45) joint, it includes a plastics pedestal 10, and its front end from bottom to top is provided with two link slots 11 and a link slot 12, is provided with a plurality of terminals 13 in it; One metal shell 20, it is made up of a procapsid 21 and back, back body 22, its fit coats this plastics pedestal 10, make the link slot 11 of this plastics pedestal, 12 communicate with the external world with the pin portion of this each terminal 13, the front face of this procapsid 21 is provided with the groove 11 that is connected, 12 perforate 23,24, this perforate 23,24 periphery is provided with to

link slot

11,12 grounding elastic parts 25 that extend, the lower edge of its biside plate is integrally formed with the earth element 26 and the clamp element 27 of downward extension in addition, this clamp element 27 is to bend earlier to be bent downwardly extension again in the middle of plastics pedestal 10 bottom surfaces, uses to cooperate fastening in the position, hole of circuit board.

By above structure, this two link slot 11 can connect two USB joints, this link slot 12 can connect a RJ45 joint, this grounding elastic part 25 can contact with the USB joint or the RJ45 joint elastic that insert, this earth element 26 can be earlier with circuit board on connecting hole insert in advance and be connected, this clamp element 27 again with circuit board on the hole clipping fastening.

The above-mentioned known following disappearance that is configured with:

1. because the procapsid both sides lower edge of metal shell 20 is integrally formed with earth element 26 and clamp element 27, in order to make clamp element 27 have firm clamp effect, so this clamp element 27 need have suitable intensity, so 20 of metal shells can't use thin sheet material, otherwise the intensity of this clamp element 27 can be not enough, so can't reach the effect of saving material.

2. because extending, the procapsid both sides lower edge one of metal shell 20 is provided with earth element 26 and clamp element 27, it is to form with cutting mode, event procapsid 21 needs to use long plate face blanking formation earth element 26 and clamp element 27 again, especially be in the middle of plastics pedestal bottom surface, to bend earlier to be bent downwardly extension again with this clamp element 27, Len req is longer, and waste material more seems.

[utility model content]

The purpose of this utility model is to provide a kind of electric connector with metal shell, can simplify the fabrication schedule of metal shell, and can use than thin metal blank and make metal shell, thereby can reduce production costs.

For reaching above-mentioned purpose, a kind of electric connector of the present utility model with metal shell, it is characterized in that: it includes:

One plastics pedestal, it simultaneously is provided with at least two connecting portions that are arranged above and below, and is provided with a plurality of terminals in this plastics pedestal, and this each terminal is provided with a pin portion, and to extend to plastic seat external, this plastics pedestal bottom surface is provided with the reference column of at least one protrusion, to be positioned the location hole on the circuit board;

One metal shell, it is that fit coats this plastics pedestal, the one side of this metal shell is provided with at least two perforates to connecting portion that should the plastic seat body, and the connecting portion of this plastics pedestal is communicated with the external world; And

At least one earth element, it is metal material and is electrically connected with this metal shell that this earth element is provided with at least one elastic clamping hook, this elastic clamping hook extends to this plastics pedestal below and uses the connecting hole of fastening in this circuit board.

Electric connector with metal shell of the present utility model can be simplified the fabrication schedule of metal shell, and can use than thin metal blank and make metal shell, thereby can reduce production costs.

Above-mentioned and other purpose of the present utility model, advantage and characteristic by in the detailed description of following preferred embodiment and with reference to graphic when can be clearer.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of known electric connector.

Fig. 2 is the three-dimensional combination figure of known electric connector.

Fig. 3 is the three-dimensional exploded view of the utility model first preferred embodiment.

Fig. 4 is the three-dimensional combination figure of the utility model first preferred embodiment.

Fig. 5 is the three-dimensional exploded view of the utility model second preferred embodiment.

Fig. 6 is the three-dimensional combination figure of the utility model second preferred embodiment.

Fig. 7 is the three-dimensional exploded view of the utility model the 3rd preferred embodiment.

Fig. 8 is the three-dimensional combination figure of the utility model the 3rd preferred embodiment.

[embodiment]

See also Fig. 3, and Fig. 4, be the utility model first embodiment, it is in order to being electrically connected two USB joints and a RJ45 joint, and it includes: a plastics pedestal 30, a plurality of terminal 40, four earth elements 50 and a metal shell 60, wherein:

This plastics pedestal 30, its front end is arranged above and below and is provided with three connecting portions, from bottom to top be respectively equipped with two link slots 31 and a link slot 32, this two link slot 31 is in order to be electrically connected two USB joints, this link slot 32 is in order to be electrically connected a RJ45 joint, the front and back end of its both sides, lower end all respectively is provided with a draw-in groove 33, and its bottom surface is arranged with the reference column 34 and the location of the location hole on the circuit board of four protrusions.

This each terminal 40 is to be located in this pedestal, and each terminal 40 is provided with a contact site 41 and is positioned at wherein that a junction and a pin portion 42 extend to plastics pedestal 30 belows.

This earth element 50 is a different elements with this metal shell 70, its corrosion resistant plate with about 0.3mm is bent to form, it is provided with a fixed part 51, a shell fragment 52 and an elastic clamping hook 53, this fixed part 51 is and colludes the draw-in groove 33 of shape fastening in plastics pedestal 30, this shell fragment 52 and metal shell 70 Elastic Contact, this elastic clamping hook 53 stretches out plastics pedestal 30 lower ends and slightly is weak point than this reference column 34, and it is by the connecting hole fastening on this elastic clamping hook 53 and the circuit board.

This metal shell 70 is bent to form a shell body with the corrosion resistant plate of about 0.1mm, it is to include a procapsid 71 and a back casing 72 cover groups form, this procapsid 71 has header board and biside plate, this back casing 72 has upper plate and back plate, its be coated on this plastics pedestal 30 and with shell fragment 52 Elastic Contact of earth element 50, procapsid 71 is provided with two perforates, 73 corresponding link slots 31 and a perforate 74 corresponding link slots 32, and the periphery of

perforate

73,74 respectively is provided with a plurality of grounding elastic parts 75 that extend in

link slot

31,32.

By above structure, since the lower end of plastics pedestal 30 be provided with at least one reference column 34 as with the positioning function of circuit board, use and reach the manufacturing of simplifying metal shell, and because this reference column 34 slightly is length than the elastic clamping hook 53 of earth element 50, this reference column 34 of event can be earlier as the pre-location of inserting, and the elastic clamping hook 53 of this earth element 50 gets final product the connecting hole of fastening circuit board when depressing again.

By above structure explanation, the utility model can be summarized following advantage:

1. therefore this plastics pedestal 30 one-body molded reference columns 34 that the tool positioning function is arranged can simplify the fabrication schedule of metal shell 70.

2. this earth element 50 be a different elements with this metal shell 70, thus available than thin metal blank manufacturing metal shell, reach and reduce cost, and earth element 50 can be used than the thick metal plate manufacturing, due intensity when still being possessed clamp.

3. the reference column 34 of this plastics pedestal slightly is length than the elastic clamping hook 53 of earth element 50, so this reference column 34 can be earlier as the pre-location of inserting, the elastic clamping hook 53 of this earth element 50 gets final product the connecting hole of fastening circuit board when depressing again.

See also Fig. 5 and Fig. 6, be the utility model second embodiment, it is roughly identical with first embodiment, and its difference is that the earth element 50 of present embodiment is procapsid 71 lower ends that one is connected in metal shell 70.

See also Fig. 7 and Fig. 8, be the utility model the 3rd embodiment, it is roughly identical with first embodiment, its difference is that present embodiment is in order to be electrically connected two USB joints and high speed serial bus (IEEE1394) joint, promptly this plastics pedestal 30 is provided with two link slots 31 and a

link slot

35,71 of the procapsids of metal shell 70 are provided with two perforates, 73 corresponding link slots 31 and a perforate 76 corresponding link slots 35, perforate 73,76 periphery respectively is provided with a plurality of to link slot 31, the grounding elastic part 75 that extends in 35, this two link slot 31 is in order to be electrically connected two USB joints, this link slot 35 is in order to be electrically connected an IEEE1394 joint, the fixed part 51 of this earth element 50 is a projection in addition, and this plastics pedestal 30 then is provided with fixed part 51 fastenings of corresponding draw-in groove 36 and earth element 50.

The specific embodiment that is proposed in the detailed description of preferred embodiment is only in order to be easy to illustrate technology contents of the present utility model, and be not with the utility model narrow sense be limited to this embodiment, in fact, the utility model can be made many variations and implement.

Claims

1. electric connector with metal shell, it is characterized in that: it includes:

2. the electric connector with metal shell as claimed in claim 1, it is characterized in that: this plastics pedestal is provided with draw-in groove, this earth element and this metal shell are different elements, and this earth element is provided with a fixed part, the draw-in groove fastening of this fixed part and this plastics pedestal.

3. the electric connector with metal shell as claimed in claim 2 is characterized in that: the sheet metal thickness of this earth element is thick than the sheet metal of metal shell.

4. the electric connector with metal shell as claimed in claim 2 is characterized in that: this earth element be provided with one with the shell fragment of metal shell Elastic Contact.

5. the electric connector with metal shell as claimed in claim 1 is characterized in that: this metal shell is to be bent to form a shell body with the metallic plate punching press.

6. the electric connector with metal shell as claimed in claim 5 is characterized in that: this earth element is the lower end that one is connected in this metal shell.

7. the electric connector with metal shell as claimed in claim 1 is characterized in that: this reference column protrudes from this plastics pedestal below than the elastic clamping hook of this earth element.

8. the electric connector with metal shell as claimed in claim 1 is characterized in that: this plastics pedestal is provided with at least two kinds of different connecting portions that connect purposes.

9. the electric connector with metal shell as claimed in claim 8 is characterized in that: this plastics pedestal is provided with the connecting portion that the connecting portion and that connects two USB joints connects the RJ45 joint.

10. the electric connector with metal shell as claimed in claim 8 is characterized in that: this plastics pedestal is provided with the connecting portion that the connecting portion and that connects two USB joints connects the IEEE1394 joint.