CN2773926Y

CN2773926Y - USB electric connector

Info

Publication number: CN2773926Y
Application number: CNU200420121055XU
Authority: CN
Inventors: 钟宝琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-12-29
Filing date: 2004-12-29
Publication date: 2006-04-19
Anticipated expiration: 2014-12-29

Abstract

The utility model relates to a USB electric connector, which is a B-type master seat type USB electric connector and comprises an insulation body, a plurality of terminals and two grounding pieces, wherein the insulation body is provided with a body part, an inserting part and an outer housing part; the inserting part and the outer housing part are connected to the body part, the periphery of the inserting part is framed and provided with the outer housing part, and an insertion port is formed between the outer housing part and the inserting part; the terminals are arranged on the two opposite sides (the top face and the bottom face) of the insulation body, one end of the terminal is arranged on the inserting part of the insulation body, and the other end of the terminal penetrates out of the insulation body; the two grounding pieces are arranged on both sides of the insulation body, each of the two grounding pieces is provided with a spring sheet part and the spring sheet part extends into the insertion port. Thereby, a full plastic type electric connector is formed. The utility model enables the number of parts to be reduced, and has the advantages of simple and convenient assembly, high production rates and low cost.

Description

A kind of USB electric connector

Technical field

The utility model relates to a kind of USB electric connector, refers to a kind of USB electric connector of Type B female seat pattern especially.

Background technology

(Universal Serial Bus, USB) connector has become input/output interface commonly used to existing USB.See also Fig. 1, USB electric connector for a kind of existing Type B (B TYPE) female seat pattern, this electric connector 9 includes an insulating body 91, a plurality of terminal 92 and a metal shell 93, these terminals 92 are arranged on this insulating body 91, these terminal 92 1 ends are located on the Plug Division 911 of insulating body 91, and can in order to dock the corresponding termination contact of (male pattern) USB electric connector and reach electric connection, these terminal 92 other ends stretch out outside the insulating body 91, and can utilize SMT (surface mount technology) welding to be electrically connected on the circuit board.This metal shell 93 is coated on this insulating body 91 outsides, and these metal shell 93 leading flanks form the opening shape, and inner formation one can be in order to hold the socket 931 that docks electric connector.

Above-mentioned USB electric connector 9 can in order to dock the USB electric connector and peg graft mutually, this electric connector holds this butt joint USB electric connector with the socket 931 of metal shell 93 inside, and make these terminals 92 and dock the corresponding termination contact of USB electric connector and reach electric connection, and then make this butt joint electric connector to reach electric connection, so that transmit electronic signal with circuit board.

But, the USB electric connector of above-mentioned existing Type B female seat pattern, its insulating body 91 outsides all need be coated with a metal shell 93, the setting of this metal shell 93 except meeting causes the increase of number of parts, also can increase the inconvenience in the assembling, make productive rate reduce, cost increases.

So as from the foregoing, above-mentioned prior USB electric connector uses in the manufacturing and reality, obviously has inconvenience and lacks existence, and can wait to be improved.

Summary of the invention

Main purpose of the present utility model is to overcome the deficiencies in the prior art and defective, and a kind of USB electric connector is provided, its metal shell with Type B USB electric connector omits, and forms all-plastic type electric connector, and number of parts reduces, assemble simple and conveniently, productive rate is promoted, cost reduces.

For reaching above-mentioned purpose, the utility model provides a kind of USB electric connector, it is the USB electric connector of Type B female seat pattern, comprise: an insulating body, it has a body, a Plug Division and a housing department, and this Plug Division is connected in this body front end face, this housing department frame is located at this periphery, Plug Division, this housing department also is connected in this body, and this housing department leading flank forms the opening shape, forms an inserting port between this housing department and this Plug Division; A plurality of terminals, it is arranged on this insulating body, the two relative sides of Plug Division that these terminal one ends are located at this insulating body, these terminal other ends pass outside this insulating body; And two earthing members, it is arranged at this insulating body two sides, and it respectively has a shell fragment portion, and this shell fragment portion stretches into this inserting port inside.

For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.

Description of drawings

Fig. 1 is the stereogram of existing USB electric connector;

Fig. 2 is the three-dimensional exploded view of a kind of USB electric connector of the utility model;

Fig. 3 is the stereogram of a kind of USB electric connector of the utility model;

Fig. 4 is the front view of a kind of USB electric connector of the utility model;

Fig. 5 is the end view of a kind of USB electric connector of the utility model;

Fig. 6 is the rearview of a kind of USB electric connector of the utility model;

Fig. 7 is the vertical view of a kind of USB electric connector of the utility model.

Symbol description among the figure

Prior art

9 electric connectors

91 insulating bodies

911 Plug Divisions

92 terminals

93 metal shells

931 sockets

The utility model

1 insulating body

11 bodies, 12 Plug Divisions

13 housing departments, 14 terminal storage tanks

15 location notchs, 16 inserting ports

17 holddown grooves, 18 open-works

2 terminals

21 fixed parts, 22 contact sites

23 pin portions, 24 interference parts

3 earthing members

31 fixed parts, 32 shell fragment portions

33 weld parts

Embodiment

See also Fig. 2 to Fig. 7, the utility model provides a kind of USB electric connector, it is a kind of Type B female seat pattern USB electric connector, be used for being set up on the circuit board, reach electric connection with this circuit board, and can peg graft mutually with docking (Type B male pattern) USB electric connector, make this butt joint electric connector to reach electric connection, so that transmit electronic signal with circuit board.

A kind of USB electric connector of the utility model includes an insulating body 1, a plurality of terminal 2 and two earthing members 3, and wherein this insulating body 1 is made with plastic insulation material, and it has an integrated body 11, a Plug Division 12 and a housing department 13.This body 11 body that roughly is rectangle, this Plug Division 12 is a flat plate body, it is connected in this body 11 front end faces, these Plug Division 12 relative two sides (end face and bottom surface) are provided with a plurality of terminal storage tanks 14, these terminal storage tanks 14 are located at this Plug Division 12 end faces and bottom surface, and extend back and be through to this body 11 rear end faces, these body 11 rear end face lower edges also are provided with a plurality of and terminal storage tank 14 corresponding location notchs 15.

This housing department 13 is a hollow cuboid, these housing department 13 rear ends also are connected in this body 11, these housing department 13 frames are located at 12 peripheries, Plug Division, these housing department 13 leading flanks form the square aperture shape, this housing department 13 inner with Plug Division 12 between formation one can be in order to holding the inserting port 16 that docks the USB electric connector so that with dock the USB electric connector and peg graft mutually.These housing department 13 left and right two side inside respectively are provided with a holddown groove 17, and these holddown groove 17 rear ends form the opening shape, can be used to assemble this two ground strip 3, and this two holddown groove 17 respectively communicates with inserting port 16 with an open-work 18.

These terminals 2 are made with conductivity good metal material, these terminals 2 respectively have a fixed part 21, a contact site 22 and a pin portion 23, this contact site 22 is bent to form by the extension of fixed part 21 front ends, and this pin portion 23 is bent to form by the extension of fixed part 21 rear ends.

These terminals 2 are fixed in this insulating body 1 corresponding terminal storage tank 14 with fixed part 21 interlockings, two sides that this fixed part 21 is relative and the interference part 24 of establishing reversed acanthoid, and can and insulating body 1 between produce interference effect, these terminals 2 firmly are fixed on this insulating body 1.

The contact site 22 of these terminal 2 one ends is located at relative two sides (end face and bottom surface) in Plug Division 12 of this insulating body 1, the contact site 22 of these terminals 2 also protrudes in Plug Division 12 end faces and the bottom surface of this insulating body 1, the pin portion 23 of these terminal 2 other ends then can pass body 11 rear end faces of this insulating body 1, and be matched with the location notch 15 of these body 11 rear end faces, the pin portion 23 of these terminals 2 can utilize SMT (surface mount technology) to be welded on the circuit board, makes these terminals 2 reach electric connection with circuit board.

This two earthing member 3 is made with conductivity good metal material, this two earthing member 3 respectively has a fixed part 31, a shell fragment portion 32 and a weld part 33, this fixed part 31 is a flat plate body, this shell fragment portion 32 is bent to form by the extension of fixed part 31 leading edges, this shell fragment portion 32 is and slopes inwardly, 33 of this weld parts are extended by fixed part 31 lower edges and are bent to form, and it is roughly horizontal, and be convenient to utilize SMT (surface mount technology) to be welded on the circuit board, make this two earthing member 3 reach electric connection with circuit board.

This two earthing member 3 is fixed in the corresponding holddown groove 17 of these insulating body 1 two sides with fixed part 31 interlockings.The intilted shell fragment of this two earthing member 3 portion 32 stretches into inserting port 16 inside via this open-work 18, and can be in order to the metal shell of contact contact butt joint USB electric connector, to reach ground connection and fixing effect; By above-mentioned composition to form USB electric connector of the present utility model.

USB electric connector of the present utility model (female seat) can be pegged graft mutually in order to dock electric connector (male) with USB, this USB electric connector holds butt joint USB electric connector with the plant 16 of this insulating body 1 inside, and the contact site 22 that makes these terminals 2 with dock the corresponding termination contact of USB electric connector and reach electric connection, and then make this butt joint USB electric connector to reach electric connection, so that transmit electronic signal with circuit board.

When this USB electric connector docked electric connector and pegs graft mutually with USB, the shell fragment portion 32 of this two earthing member 3 can contact contact butt joint USB electric connector, to reach ground connection and fixing effect.

The utility model is omitted the metal shell of the USB electric connector of Type B, make it form all-plastic type USB electric connector, so thick can relatively increasing of meat of insulating body 1, make the intensity of insulating body 1 increase, and number of parts reduces, assemble comparatively simple and conveniently, make productive rate promote, cost reduces.

In sum, the utility model can improve existing Type B USB electric connector in fact, the outside metal shell that coats of its insulating body, cause the increase of number of parts, increase the inconvenience in the assembling, productive rate is reduced, problems such as cost increase really are a rare novel product.

The above only is a preferable possible embodiments of the present utility model; non-so promptly limit to protection range of the present utility model; so the equivalent structure that uses the utility model specification and accompanying drawing content to do such as changes, and all in like manner all is contained in the scope of the present utility model.

Claims

1. USB electric connector, it is the USB electric connector of Type B female seat pattern, it is characterized in that, comprising:

One insulating body, it has a body, a Plug Division and a housing department, this Plug Division is connected in this body front end face, this housing department frame is located at this periphery, Plug Division, this housing department also is connected in this body, this housing department leading flank forms the opening shape, forms an inserting port between this housing department and this Plug Division;

A plurality of terminals, it is arranged on this insulating body, the two relative sides of Plug Division that these terminal one ends are located at this insulating body, these terminal other ends pass outside this insulating body; And

Two earthing members, it is arranged at this insulating body two sides, and this two earthing member respectively has a shell fragment portion, and this shell fragment portion stretches into this inserting port inside.

2. USB electric connector as claimed in claim 1 is characterized in that this insulating body is made with plastic material.

3. USB electric connector as claimed in claim 1, it is characterized in that, the Plug Division of this insulating body is provided with a plurality of terminal storage tanks, these terminal storage tanks are located at this Plug Division end face and bottom surface, and extend back and be through to this body rear end face, this body rear end face is provided with a plurality of location notchs, these terminal interlockings are fixed in the corresponding terminal storage tank of this insulating body, these terminal other ends pass the body rear end face of this insulating body, and are matched with the location notch of this body rear end face.

4. USB electric connector as claimed in claim 1, it is characterized in that, the left and right two side inside of the housing department of this insulating body respectively are provided with a holddown groove, this holddown groove rear end forms the opening shape, each communicates this two holddown groove with inserting port with an open-work, this two earthing members interlocking is fixed in the corresponding holddown groove of these insulating body two sides, and the shell fragment portion of this two earthing member stretches into this inserting port inside via this open-work.

5. USB electric connector as claimed in claim 1, it is characterized in that, these terminals respectively have a fixed part, a contact site and a pin portion, these terminals are fixed in this insulating body with the fixed part interlocking, the contact site of these terminals is located on the Plug Division of this insulating body, and the pin portion of these terminals passes outside this insulating body.

6. USB electric connector as claimed in claim 5 is characterized in that, two sides that the fixed part of these terminals is relative are provided with the interference part, and and produce interference effect between this insulating body.

7. USB electric connector as claimed in claim 1, it is characterized in that, this two earthing member respectively has a fixed part and a weld part, and this shell fragment portion and weld part are bent to form by the fixed part extension of this earthing member, and this two earthing member is fixed in this insulating body two sides with the fixed part interlocking.