CN201608336U

CN201608336U - USB connector for USB flash disk

Info

Publication number: CN201608336U
Application number: CN2010201085038U
Authority: CN
Inventors: 李重志
Original assignee: 蔡添庆
Priority date: 2010-01-29
Filing date: 2010-01-29
Publication date: 2010-10-13
Anticipated expiration: 2020-01-29

Abstract

The utility model relates to the technical field of an electric connector, in particular to a USB connector for a USB flash disk, which comprises an insulating main body, a rubber core and a shell, wherein the insulating main body is provided with a plugging end and a fixed end; a holding part is arranged on the fixed end; a first group of terminals are injection molded and combined on the insulating main body; the rubber core is combined on the holding part of the insulating main body; a second group of terminals are combined and arranged on the rubber core; contact parts of the second group of terminals are arranged in groove positions on the plugging end of the insulating main body; and the shell covers the insulating main body and the rubber core and forms a plugging interface with the plugging end of the insulating main body. The utility model adopts the combined structure, the insulating main body, the rubber core and the shell are combined together, and different terminals are arranged on the insulating main body and the rubber core in groups, so that the utility model has the advantages of ideal assembled structure, optimized structure, small size, convenient assembling and enhanced using performance; in addition, the utility model also has the advantages that the molding difficulty is reduced, the material and manufacturing cost are saved, and the development of the USB connector is promoted.

Description

The USB connector that a kind of USB flash disk uses

Technical field:

The utility model relates to technical field of electric connectors, refers in particular to the USB connector that a kind of USB flash disk uses.

Background technology:

Along with development of electronic technology, the USB connector of plug and pull is also extensively popularized and is used, and USB connector also is upgraded to 3.0 types by 2.0 traditional types, the also corresponding increase of number of terminals in the USB connector, and functional promotion, structure is relative complex also.There is processing assembling inconvenience in the 3.0 type USB connector that existing USB flash disk uses, and the bodily form is bigger, the defective that cost of manufacture is high.

The applicant is because the structure disappearance and the inconvenience of the 3.0 type USB connector that above-mentioned known USB flash disk uses, the spirit of adhering to the research innovation, keeping on improving, utilize its professional eye and professional knowledge, work out the USB connector that a kind of USB flash disk of being convenient to process assembling uses.

The utility model content:

The purpose of this utility model is to provide a kind of structure optimization, adopts combination processing, is beneficial to moulding and makes, and is structural good, practicality height, the USB connector that the USB flash disk of raising product price ratio uses.

For achieving the above object, the utility model adopts following technical scheme:

The USB connector that a kind of USB flash disk uses comprises an insulating body, a glue core and a shell, and insulating body has an inserted terminal and a stiff end, and stiff end is provided with the accommodation section, and first group of terminal injection molding is combined on the insulating body; The glue core is combined on the accommodation section of insulating body, and second group of terminal combination is installed on the glue core, and the contact site of this group terminal is placed in the groove position on the inserted terminal of insulating body; Shell coated insulation main body and glue core, and form interface with the inserted terminal of insulating body.

Accommodation section on the described stiff end forms step-like, is provided with the hook post that raises up at the left and right sides, accommodation section side, and the gib head of hook capital end fastens end face on the glue core, the hook post left-right symmetric of accommodation section dual-side; Glue core side is provided with the step position, and step position and the axial screens of hook post side reach axial restraint glue core.

Described outer casing back is provided with the button portion that bends inwards, and glue core rear end, top is propped up by button portion.

The bottom of the stiff end of described insulating body is provided with L shaped groove position, and the bottom surface of the parallel L shaped groove of the leg position that the bending of first group of terminal and second group of terminal is stretched out.

The USB connector that the USB flash disk that the utility model provides uses is to adopt composite construction, winding is together each other for insulating body, glue core and shell, different terminal groupings are arranged on insulating body and the glue core, obtain desirable package assembly, structure optimization, volume is little, and is easy to assembly, improves serviceability; Also reduce the difficulty that moulding is made simultaneously, economical with materials and reduction cost of manufacture promote the development of USB connector.

Description of drawings:

Accompanying drawing 1,2 is the utility model contour structures schematic diagram;

Accompanying drawing 3 is a partial structurtes decomposing schematic representation of the present utility model;

Accompanying drawing 4 is insulating body and glue core combining structure schematic diagram;

Accompanying drawing 5,6 is welded on schematic diagram on the circuit board for the utility model.

Embodiment:

Understand for the juror can be had purpose, feature and the function of the utility model further, lift preferred embodiment and cooperate graphic being described in detail as follows:

See also Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, it is the structural representation of the preferred embodiment of the utility model, the utility model is the USB connector that relevant a kind of USB flash disk uses, and this USB connector includes insulating body 10, glue core 20, first group of terminal 30, second group of terminal 40 and shell 50.

Insulating body 10 has an inserted

terminal

11 and 12, the first groups of terminal 30 injection moldings of a stiff end are combined on the insulating body 10, is integral structure; Stiff end 12 is provided with accommodation section 13, and accommodation section 13 forms step-like, and end face is recessed on the forward section relative inserted

terminal

11, and 13 left and right sides sides are provided with the hook post 14 that raises up in the accommodation section, hook post 14 left-right symmetric of dual-side, and hook post 14 tops form gib head 141.Position, inserted terminal 11 rear end is provided with groove position 111, space between the groove position 111.

Glue core 20 is combined on the accommodation section 13 of insulating body, and glue core 20 sides are provided with step position 21, and glue core 20 downsides and the step-like of accommodation section 13 are complementary; When glue core 20 embedded assembling from top to bottom, step position 21 and the axial screens of hook post 14 sides reached axial restraint glue core 20; Gib head 141 by hook post 14 tops fastens end face on the glue core 20, does not allow glue core 20 withdraw from.Gib head 141 tops are provided with approaching face, make things convenient for glue core 20 to embed, and hook post 14 has elasticity, can open automatically and reclaim, and reclaim clamping glue core 20 sidewalls so that glue core 20 embeds back hook post 14.Glue core 20 is provided with terminal hole, and second group of terminal 40 corresponding terminal hole aggregate erection is on glue core 20, and the contact site 42 of this group terminal 40 stretches out glue core the place ahead, is placed in the groove position 111 on the inserted terminal 11 of insulating body.

Shell 50 is by the metallic plate punching moulding, coated insulation main body 10 and glue core 20.The inserted terminal 11 of shell 50 front ends and insulating body 10 forms a circumscription socket, makes things convenient for USB flash disk to insert and connects, and shell 50 is provided with corresponding hanging hole 52, cooperates USB flash disk firmly to peg graft.Shell 50 rear ends are provided with the button portion 51 that bends inwards, glue core 20 rear ends, 51 tops of button portion, thus further fix glue core 20, obtain the USB connector that USB flash disk uses.

In the utility model, the bottom of the stiff end 12 of insulating body is provided with L shaped groove position 121, and the bottom surface of leg 31, the 41 parallel L shaped groove positions 121 that the bending of first group of terminal 30 and second group of terminal 40 is stretched out.Shown in Fig. 5,6, this connector utilizes L shaped groove position 121 to be engaged on the circuit board 60, and the bottom surface of

leg

31,41 parallel L shaped groove positions 121,

leg

31,41 can concordantly be attached on the face of circuit board 60 thus, is beneficial to be welded to connect.Shell also is provided with respective fixation pin 53 on 50 rear ends, inserts on the circuit board 60 with fixing feet 53, reaches firm installation.

The utility model structure optimization, volume is little, and is easy to assembly, reduces the difficulty that moulding is made, and economical with materials and reduction cost of manufacture promote the development of USB connector.

Claims

1. the USB connector used of a USB flash disk is characterized in that: comprising:

One insulating body (10) has an inserted terminal (11) and a stiff end (12), and stiff end (12) is provided with accommodation section (13), and first group of terminal (30) injection molding is combined on the insulating body (10);

One glue core (20) is combined on the accommodation section (13) of insulating body, and second group of terminal (40) aggregate erection is on glue core (20), and the contact site (42) of this group terminal (40) is placed in the groove position (111) on the inserted terminal (11) of insulating body;

One shell (50), coated insulation main body (10) and glue core (20).

2. the USB connector that USB flash disk according to claim 1 uses, it is characterized in that: the accommodation section (13) on the stiff end (12) forms step-like, (13) left and right sides side is provided with the hook post (14) that raises up in the accommodation section, and the gib head (141) on hook post (14) top fastens glue core (20) and goes up end face; Glue core (20) side is provided with step position (21), and step position (21) and the axial screens of hook post (14) side reach axial restraint glue core (20).

3. the USB connector that USB flash disk according to claim 1 uses, it is characterized in that: shell (50) rear end is provided with the button portion (51) that bends inwards, button portion (51) top glue core (a 20) rear end.

4. the USB connector that USB flash disk according to claim 2 uses is characterized in that: hook post (14) left-right symmetric of accommodation section (13) dual-side.

5. the USB connector that USB flash disk according to claim 1 uses, it is characterized in that: the bottom of the stiff end of insulating body (12) is provided with L shaped groove position (121), and the bottom surface of leg (31,41) the parallel L shaped groove positions (121) that the bending of first group of terminal (30) and second group of terminal (40) is stretched out.