CN2574241Y

CN2574241Y - Electric connector

Info

Publication number: CN2574241Y
Application number: CN02254912U
Authority: CN
Inventors: 高明辉
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2002-09-17
Filing date: 2002-09-17
Publication date: 2003-09-17
Anticipated expiration: 2012-09-17

Abstract

The utility model relates to an electric connector, which comprises an insulating casing, a plurality of conductive terminals, and a conductive piece, wherein, the insulating casing is provided with a bottom board, each of the both ends of the bottom board is provided with a fixing arm forwards extended, a guide slot is arranged on each of the two fixing arms, and an inserting space used for inserting an electronic card is limited between two fixing arms and the bottom board; the conductive terminals are arranged on the bottom board of the insulating casing; each conductive piece comprises a fixing part, a first elastic arm, and a second elastic arm; the fixing part is fixed on the fixing arms of the insulating casing; a contact part is formed at the position of the free end of the second elastic arm towards a conductive metal plate after the electronic card is inserted; a buckling part is formed at the position of the free end of the first elastic arm towards a positioning groove after the electronic card is inserted; the buckling part and the contact part are positioned at the same horizontal height in essence. When the electronic card is inserted into the inserting space, the buckling part of the conductive piece can enter the positioning groove of the electronic card to achieve buckling function, and the contact part can electrically contact with the conductive metal plate of the electronic card so as to effectively cause the electronic card to earth and prevent the static electricity from interfering in other electronic elements.

Description

Electric connector

Technical field

The utility model refers to a kind of electric connector that makes electronic cards ground connection especially relevant for a kind of electric connector.

Background technology

Because the prosperity of electronic digital science and technology, the electronic product of today there's no one who doesn't or isn't moves towards the design of numberization gradually, and electronic product is being stressed under the compact market demand, as portable electronic products such as notebook computer, personal digital assistant (PDA) or digital cameras, the low electronic cards of power consumption is large so that access speed is fast gradually in the storage of electronic bits of data, makes the electronic cards of different types of all kinds become the standard facility of portable electronic product.

For the circuit that makes electronic product itself is able to electrically connect with data transmission with electronic cards, all be on the circuit board of product, to be provided with an electronic cards electric connector generally, by reaching the purpose that electrically connects with circuit board for the electric connector that an electronic cards is planted.But in order to make the unlikely electronic component that jeopardizes on the circuit board of static on the electronic cards, therefore how discharging the static on the electronic cards effectively, will be the big problem in the design.

Summary of the invention

Main purpose of the present utility model is to provide a kind of electric connector, and it can be effectively with electronic cards ground connection, and prevents other electronic components of electrostatic interference on the electronic cards, and with the electronic cards contact stabilization, ground connection is respond well.

In order to reach above-mentioned purpose, the utility model system provides a kind of electric connector, this electric connector is in order to be connected on the circuit board, can plant for an electronic cards, this electronic cards has the detent that a conductive metal sheet and is positioned at this electronic cards one side, this electric connector comprises: an insulation shell, it has a base plate, two ends of this base plate respectively have the fixed arm that extends forward, respectively be provided with a guide channel on this two fixed arm two face in opposite directions, define a plant space between two fixed arms and the base plate altogether; The plural conductive terminal, it is arranged on the base plate of this insulation shell, and conducting terminal is positioned at this plant space; An and lead piece, comprise a fixed part, one first elastic arm and one second elastic arm, wherein this fixed part is fixed on the fixed arm of this insulation shell, the direction that this first and second elastic arm inserts from this fixed part along electronic cards is respectively extended, conductive metal sheet position after the free end of this second elastic arm is planted towards electronic cards is formed with a contact site, and the free end of this first elastic arm detent position after planting towards electronic cards is formed with a padlock portion, and this padlock portion substantially with this contact site in same level height; In the time of in this electronic cards is inserted this plant space, the padlock portion of this lead piece enters the interior formation of the detent padlock effect of electronic cards, and the contact site of lead piece electrically contacts with the conductive metal sheet of electronic cards.

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 described accompanying drawing 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 the utility model electric connector and electronic cards released state.

Fig. 2 is the schematic perspective view that the utility model lead piece contacts with electronic cards.

Fig. 2 A is the A part detail drawing of Fig. 2.

Fig. 3 is the stereogram of the utility model insulation shell.

Fig. 3 A is the A part detail drawing of Fig. 3.

Fig. 4 is the stereogram of the utility model lead piece.

Fig. 5 is the stereogram of another angle of the utility model lead piece.

Fig. 6 is the end view of the utility model lead piece.

Embodiment

See also Fig. 1, the utility model provides a kind of electric connector, and this electric connector 1 is in order to being connected on the circuit board (figure slightly), and can plant for an electronic cards 2, by this electric connector 1 this electronic cards 2 is produced with circuit board and electrically connect.This electronic cards 2 has in the form of sheets a body 20, is provided with required electronic circuit (figure slightly) in this body 20, and this body 20 also is formed with a front end 201 and a rear end 202, makes this front end 201 in use towards this electric connector 1.This body 20 forms a upper surface 203 and a lower surface 204 in addition, and this body 20 has a plurality of electrical contacts that are exposed outside 21 at lower surface 204 near front end 201 places.The upper surface 203 of this body 20 is provided with one near a side place and is directed downwards the conductive metal sheet 22 of extension by upper surface 203 along lateral margin, these electrical contacts 21 and conductive metal sheet 22 respectively with this body 20 in electronic circuit electrically connect.These body 20 1 sides are provided with a location groove 23 at adjacent this conductive metal sheet 22 and near front end 201 parts.

This electric connector 1 includes an insulation shell 10, plural conductive terminal 11, a lead piece 12 and a metal cap body 13 (please consulting Fig. 2 to Fig. 4 simultaneously), wherein this insulation shell 10 has the base plate 101 of a horizontal expansion, and is provided with a plurality of terminal storage tanks 104 on this base plate 101.Two ends of this base plate 101 respectively have the fixed arm 102 that extends forward, respectively be provided with the guide channel 1021 (as Fig. 3 and Fig. 3 A) of an indent on 102 liang of faces in opposite directions of this two fixed arm, make to define the plant space 103 that a power supply subcard 2 inserts between two fixed arms 102 and the base plate 101 altogether.More be provided with a clamping groove 105 on this insulation shell 10 fixed arm 102 therein, in this clamping groove 105 and have a snapping piece 106.

Each conducting terminal 11 is positioned in the terminal storage tank 104 accordingly, conducting terminal 11 is arranged on the base plate 101 of this insulation shell 10, and conducting terminal 11 front ends protrude in this base plate 101 and are positioned at plant space 103, in order to produce electrically contact with the corresponding contact 21 of this electronic cards 2.These conducting terminal 11 rear ends respectively form a welding ends 111, and this welding ends 111 passes outside these base plate 101 rear ends, on the contact in order to the correspondence that is welded on circuit board.

This lead piece 12 is a member (as Fig. 4 to Fig. 6) that is formed by the metal punching out, comprise a fixed part 121, one first elastic arm 123 and one second elastic arm 125, this fixed part 121 is " L " type, this fixed part 121 is provided with a snapping hole 122, this first and second elastic arm 123, the 125 2 directions extensions of inserting from this fixed part 121 along electronic cards respectively, conductive metal sheet 22 positions after the free end of this second elastic arm 125 is planted towards electronic cards 2 are formed with a contact site 126, detent 23 positions after the free end of this first elastic arm 123 is planted towards electronic cards 2 are formed with a padlock portion 124, and this padlock portion 124 is positioned at same level height with this contact site 126 substantially.First elastic arm 123 is extended to form by these fixed part 121 tops, this padlock portion 124 is by these first elastic arm, 123 1 ends are downward, extending internally forms, this second elastic arm 125 is extended to form by fixed part 121 1 ends, and this contact site 126 is extended internally by these second elastic arm, 125 1 ends and forms.The fixed part 121 of this lead piece 12 can be inserted and be embedded in the clamping groove 105 of this fixed arm 102 by the top, and make the snapping piece 106 mutual snappings in snapping hole 122 and this clamping groove 105 on this fixed part 121, make this lead piece 12 be able to be fixed on the fixed arm 102 of this insulation shell 10, and this fixed part 121 can be welded on the default earth point of circuit board and be electrically conducted with the grounded circuit of circuit board by fixed part 121.

This metal cap body 13 is a sheet-like member that is formed by the metal punching out, these metal cap body 13 engagings are positioned on this insulation shell 10, and then make this metal cap body 13 that plant space 103 is covered and form one to prevent electromagnetic metal covering, and this metal cap body 13 is with after this insulation shell 10 combines, and also can contact lead piece 12 and form and electrically connect; By above-mentioned composition to form electric connector of the present utility model.

When the front end 201 of this electronic cards 2 inserts the plant space 103 of this insulation shell 10 by the guiding of the relative guide channel 1021 of two fixed arms 102 in and when arriving the location, the electrical contact 21 of this electronic cards 2 can be respectively forms electrically contact with corresponding conducting terminal 11, make electronic cards 2 to transmit electric signal with circuit board, the padlock portion 124 of lead piece 12 can enter the detent 23 interior formation padlock effects (as Fig. 2 and Fig. 2 A) of electronic cards 2 simultaneously, make and have locating effect between electronic cards 2 and the insulation shell 10, and contact site 126 positions of lead piece 12 just can electrically contact with the conductive metal sheet 22 of electronic cards 2, so the static on electronic cards 2 surfaces can directly be released via the lead piece 12 of ground connection by this conductive metal sheet 22.

The utility model can be effectively with electronic cards 2 ground connection, and prevent other electronic components of electrostatic interference on the electronic cards 2, and the contact site 126 and the padlock portion 124 of lead piece 12 of the present utility model are positioned at same level height (horizontal line), contact site 126 and conductive metal sheet 22 and detent 23 contact stabilizations of padlock portion 124 with electronic cards 2, ground connection is respond well.

In sum, the utility model is a rare novel product in fact, has practicality on the industry, novelty and creativeness, meets the utility application condition fully, so file an application according to Patent Law.

Only the above only is a preferable possible embodiments of the present utility model, and non-so promptly inflexible limit claim of the present utility model so the equivalent structure that uses the utility model specification and accompanying drawing content to be done such as changes, all should be contained in the scope of the present utility model.

Claims

1, a kind of electric connector, this electric connector can be planted for an electronic cards in order to be connected on the circuit board, and this electronic cards has the detent that a conductive metal sheet and is positioned at this electronic cards one side, and this electric connector comprises:

One insulation shell, it has a base plate, and two ends of this base plate respectively have the fixed arm that extends forward, respectively are provided with a guide channel on this two fixed arm two face in opposite directions, define a plant space between two fixed arms and the base plate altogether;

The plural conductive terminal, it is arranged on the base plate of this insulation shell, and conducting terminal is positioned at this plant space; And

One lead piece, comprise a fixed part, one first elastic arm and one second elastic arm, wherein this fixed part is fixed on the fixed arm of this insulation shell, the direction that this first and second elastic arm inserts from this fixed part along electronic cards is respectively extended, conductive metal sheet position after the free end of this second elastic arm is planted towards electronic cards is formed with a contact site, and the free end of this first elastic arm detent position after planting towards electronic cards is formed with a padlock portion, and this padlock portion substantially with this contact site in same level height;

In the time of in this electronic cards is inserted this plant space, the padlock portion of this lead piece enters the interior formation of the detent padlock effect of electronic cards, and the contact site of lead piece electrically contacts with the conductive metal sheet of electronic cards.

2, electric connector as claimed in claim 1 is characterized in that, the base plate of this insulation shell is provided with a plurality of terminal storage tanks, and described conducting terminal is positioned in the terminal storage tank accordingly.

3, electric connector as claimed in claim 1, it is characterized in that, one fixed arm of this insulation shell is provided with a clamping groove, has a snapping piece in this clamping groove, the fixed part of this lead piece is provided with a snapping hole, the fixed part of this lead piece is embedded in the clamping groove of this fixed arm, makes snapping hole on this fixed part and the mutual snapping of snapping piece in this clamping groove.

4, electric connector as claimed in claim 1 is characterized in that, is combined with a metal cap body on this insulation shell.

5, electric connector as claimed in claim 1 is characterized in that, described conducting terminal rear end respectively forms a welding ends, and this welding ends passes outside this base plate rear end.

6, electric connector as claimed in claim 1, it is characterized in that, this first elastic arm is extended to form by this fixed part top, this padlock portion is by this first elastic arm, one end is downward, extending internally forms, this second elastic arm is extended to form by fixed part one end, and this contact site is extended internally by this second elastic arm, one end and forms.

7, electric connector as claimed in claim 1 is characterized in that, the fixed part of this lead piece is welded on the default earth point of circuit board and is electrically conducted with the grounded circuit of circuit board.