CN2733643Y - Electrical connector - Google Patents
Electrical connector Download PDFInfo
- Publication number
- CN2733643Y CN2733643Y CNU2004200889370U CN200420088937U CN2733643Y CN 2733643 Y CN2733643 Y CN 2733643Y CN U2004200889370 U CNU2004200889370 U CN U2004200889370U CN 200420088937 U CN200420088937 U CN 200420088937U CN 2733643 Y CN2733643 Y CN 2733643Y
- Authority
- CN
- China
- Prior art keywords
- electric connector
- circuit board
- ground connection
- connector according
- earth terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
An electric connector comprises an insulating body, a joint and a grounding shielding plate, wherein at least one tearing part is arranged on the grounding shielding plate, the tearing part is contacted with a corresponding grounding terminal on the joint, and the contact point of the grounding shielding plate for grounding is increased by the contact of the tearing part and the grounding terminal, so that the contact impedance of the grounding shielding plate can be effectively reduced, a better grounding effect can be achieved, and a better electromagnetic shielding effect is achieved.
Description
Technical field
The utility model relates to a kind of electric connector, refers to a kind ofly in order to being installed on the circuit board especially, plants for electronic cards, makes electronic cards and circuit board reach electric connection, in order to the electric connector of the signal between transmission electronic card and circuit board.
Background technology
Growing along with computer and portable electron device, in order to satisfy its demand miscellaneous, therefore different electronic cards is devised, and along with different electronic cards just produces different electric connectors to electrically connect electronic cards and electronic installation.Existing electric connector can be installed on the circuit board of electronic installation, plants for electronic cards, makes electronic cards and circuit board reach electric connection, in order to the signal between transmission electronic card and circuit board, makes and obtains the information contact between this electronic cards and the electronic installation.
See also Fig. 1, a kind of electric connector relevant with the utility model, it is in order to be installed on the circuit board, and the subcard of can powering is planted, in order to the signal between transmission electronic card and circuit board.This electric connector 1 includes an insulating body 11, a joint 12, a shielding casing 13 and a ground connection shield 14, wherein this insulating body 11 is made with plastic material, this insulating body 11 has two arms 111, forms a plug-in card space 112 that can be used for planting electronic cards between this two arm 111.
This joint 12 is connected in this insulating body 11 1 ends, this joint 12 has several terminals 121 (including signal terminal and earth terminal), one end of each terminal 121 stretches out outside insulating body 11 rear ends, can reach electric connection with this circuit board in order to be welded on the circuit board.The other end of each terminal 121 then stretches in this plug-in card space 112, can in order to be inserted in this plug-in card space 112 in electronic cards contact and reach electric connection.This shielding casing 13 is made with metal material, and it is arranged on this insulating body 11, can have the ELECTROMAGNETIC OBSCURANT effect, in order to prevent electromagnetic interference.
This ground connection shield 14 is made with metal material, it includes a shielding portion 141 and a pair of grounding parts 142, this shielding portion 141 is in order to cover terminal 121, and this extends to form two sides of grounding parts 142 by this shielding portion 141, and this reaches ground connection to grounding parts 142 electrical contact circuit plates.This shielding portion 141 has several usually and covers pin 143 in order to cover terminal 121, is subjected to electromagnetic interference in order to prevent terminal 121, to have preferable ELECTROMAGNETIC OBSCURANT effect.
Yet, the above-mentioned electric connector relevant with the utility model, its ground connection shield 14 and cover pin 143 and only can see through two grounding parts, 142 electrical contact circuit plates and reach ground connection, because its stroke is longer, therefore contact impedance is higher, causes the ground connection poor effect, and the ELECTROMAGNETIC OBSCURANT effect reduces, be directed to the partly electronic cards (as the electronic cards of cassette bus card (Card Bus) specification) of special requirement, be difficult to meet demand.
Summary of the invention
Main purpose of the present utility model, being to provide a kind of electric connector, and it can effectively reduce ground connection shield contact impedance, reaches preferable ground connection effect, has preferable ELECTROMAGNETIC OBSCURANT effect, so that meet the demand of all size electronic cards.
In order to reach above-mentioned purpose, the utility model provides a kind of electric connector, and in order to be installed on the circuit board, the subcard of can powering is planted, and comprising: an insulating body; One joint, it is connected in this insulating body one end, and this joint has several signal terminals and earth terminal, and these terminals are electrically connected at this circuit board; An and ground connection shield, it includes a shielding portion and a pair of grounding parts, this shielding portion is in order to cover these signal terminals and earth terminal, the electrical contact circuit plate of this two grounding parts and reach ground connection, this shielding portion is provided with at least one tearing part, this tearing part contacts this earth terminal, makes this ground connection shield see through tearing part, earth terminal and circuit board and reaches ground connection.
The utility model is provided with the tearing part in the ground connection shield, by contacting of tearing part and earth terminal, make the ground connection shield except seeing through two grounding parts, also see through tearing part, earth terminal and circuit board simultaneously and reach ground connection, can effectively reduce ground connection shield contact impedance, reach preferable ground connection effect, have preferable ELECTROMAGNETIC OBSCURANT effect.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the electric connector relevant with the utility model.
Fig. 2 is the three-dimensional exploded view of the utility model electric connector.
Fig. 3 is the three-dimensional exploded view of another angle of the utility model electric connector.
Fig. 4 is the stereogram of the utility model electric connector.
Fig. 5 is the cutaway view of the utility model electric connector.
Fig. 6 is the stereogram of the ground connection shield of the utility model electric connector.
Fig. 7 is the stereogram of another embodiment of ground connection shield of the utility model electric connector.
Fig. 8 is the stereogram of another another angle of embodiment of ground connection shield of the utility model electric connector.
Fig. 9 is joint first embodiment of the utility model electric connector and the stereogram of circuit board.
Figure 10 is the stereogram of joint second embodiment of the utility model electric connector.
Figure 11 is joint second embodiment of the utility model electric connector and the stereogram of circuit board.
Figure 12 is joint first embodiment of the utility model electric connector and the stereogram of circuit board.
Embodiment
See also Fig. 2 to Fig. 5, the utility model provides a kind of electric connector, and it is in order to be installed on the circuit board 3, and the subcard of can powering is planted, in order to the signal between transmission electronic card and circuit board.This electric connector 2 includes an insulating body 21, a joint 22, a shielding casing 23 and a ground connection shield 24, wherein this insulating body 21 is made with plastic material, this insulating body 21 has two arms 211, between this two arm 211 and form a plug-in card space 212 that can be used for planting electronic cards.The electric connector that present embodiment applies to two-layer equation is an example, and the plug-in card space 212 of this insulating body 21 is made up of upper and lower slot, and the utility model does not limit the electric connector that is implemented on two-layer equation, also may be implemented in the electric connector of single-layer type.
This joint 22 is connected in this insulating body 21 rear ends, and this joint 22 has several terminal grooves (not label) to accommodate several signal terminals 221 and earth terminal 222, and an end and this circuit board of each terminal 221,222 are reached electric connection.The other end of each terminal 221,222 then stretches in this plug-in card space 212, can in order to be inserted in this plug-in card space 212 in electronic cards contact and reach electric connection.
In the present embodiment, these signal terminals 221 and earth terminal 222 see through conversion terminal 223 and reach electric connection with this circuit board, promptly be provided with a keyset 224 in these joint 22 rear sides, these conversion terminals 223 are arranged in the keyset 224, these signal terminals 221 and earth terminal 222 contact conversion terminals 223 upper ends, then stretch out outside the keyset 224 these conversion terminal 223 lower ends, can make these signal terminals 221 and earth terminal 222 see through conversion terminal 223 and reach electric connection in order to be welded in circuit board with this circuit board 3.Yet, these signal terminals 221 and earth terminal 222 also can be directly to extend downwards and forward in the utility model, to expose to outside this joint 22, shape as this conversion terminal 223, so that utilize surperficial gluing technology (SMT) to be welded in circuit board 3, make these terminals 221 and 222 directly and this circuit board 3 reach electric connection.
This shielding casing 23 is made with metal material, and it is arranged on this insulating body 21, can have the ELECTROMAGNETIC OBSCURANT effect, in order to prevent electromagnetic interference.In addition the arm 211 in this insulating body 21 is provided with a trip mechanism 25, and the card that moves back of being convenient to electronic cards is operated.
This ground connection shield 24 is made with metal material, it includes a shielding portion 241 and a pair of grounding parts 242 (as Fig. 6), this shielding portion 241 is in order to cover terminal 221,222, bend under two side direction of this two grounding parts 242 by this shielding portion 241 and extend to form, make this two grounding parts 242 be connected in this shielding portion 241, this two grounding parts, 242 electrical contact circuit plates 3 and reach ground connection in integrally formed mode.This shielding portion 241 has several usually and covers pin 243 in order to cover terminal 221,222, is subjected to electromagnetic interference in order to prevent terminal 221,222, to have preferable ELECTROMAGNETIC OBSCURANT effect.
These grounding parts 242 clampings are between the spiral shell seat 213 and this circuit board 3 of these insulating body 21 2 sides, positively to be connected to corresponding ground mat 31 on this circuit board 3, and fixed the ground mat 31 of the grounding parts 242 electrical contact circuit plates 3 of this ground connection shield 24 and reach ground connection by this in screw (figure slightly) locking mode.
The shielding portion 241 of this ground connection shield 24 is provided with at least one tearing part 244, this tearing part 244 is formed by shielding portion 241 punching out, its downward-sloping ground connection shield 24 inner faces that protrude in, the quantity that this tearing part 244 is provided with does not limit, be provided with two tearing parts 244 in the present embodiment, corresponding earth terminal 222 (as Fig. 5) on these two tearing parts, 244 these joints 22 of contact, by contacting of tearing part 244 and earth terminal 222, make ground connection shield 24 except seeing through two grounding parts 242, also can see through tearing part 244, earth terminal 222 is reached ground connection with circuit board 3.
The one side that also can contact with earth terminal 222 on this tearing part 244 is carried out gold-plated making and is formed a Gold plated Layer 247 in addition, and this tearing part 244 contacts these earth terminals 222 with Gold plated Layer 247, and can effectively reduce impedance, has preferable ground connection effect; By above-mentioned composition to form electric connector of the present utility model.
In addition, see also Fig. 7 and Fig. 8, two grounding parts 242 of the ground connection shield 24 of present embodiment are connected in this shielding portion 241 in the mode of combination, promptly this two grounding parts 242 separates with this shielding portion 241, and be provided with corresponding connecting portion 245 and 246 in these shielding portion 241 2 sides and two grounding parts 242, the connecting portion 245 of these shielding portion 241 2 sides overlaps mutually and is welded to connect with the connecting portion 246 of this two grounding parts 242 and is one, so that utilize this that grounding parts 242 electrical contact circuit plates 3 are reached ground connection.
Two grounding parts 242 of present embodiment are connected in shielding portion 241 with compound mode, can be before this two grounding parts 242 be connected in shielding portion 241, and the tearing part 244 that is convenient on the shielding portion 241 utilizes the mode of brush plating that Gold plated Layer 247 is set, and gold-plated cost is reduced.
These signal terminals 221 of the present utility model and earth terminal 222 electrically connect this circuit board 3 can many kinds of modes, as shown in Figure 9, the utility model can directly stretch out these terminals 221 and 222 lower ends outside the joint 22, but this joint 22 is provided with a plurality of guide channel 220 each self-aiming and proofreaies and correct the contact 30 of these terminals 221 and 222 flexibly to be crimped on circuit board 3 among this embodiment, make these terminals 221 and 222 and this circuit board 3 reach electric connection.
In addition, as Figure 10 and shown in Figure 11, the utility model also can be electrically connected at a switching circuit board 225 with these terminals 221 and 222 welding, make these terminals 221 and 222 and the electrical contact 226 of switching circuit board 225 lower edges electrically connect, be provided with a corresponding connector 32 in this circuit board 3 in addition, the electrical contact 226 of these switching circuit board 225 lower edges can be plugged in this connector 32, makes these terminals 221 and 222 can see through switching circuit board 225 and connector 32 and this circuit board 3 and reaches electric connection.
As shown in figure 12, the utility model also can be electrically connected at these terminals 221 and 222 board to board connector 227, and be provided with a corresponding board to board connector 33 in this circuit board 3, this two board to board connector 227 and 33 can be pegged graft mutually and be reached electric connection, make these terminals 221 and 222 can see through this two board to board connector 227 and 33 and this circuit board 3 reach electric connection.
The utility model mainly is provided with at least one tearing part 244 in ground connection shield 24, corresponding earth terminal 222 on these tearing part 244 these joints 22 of contact, by contacting of tearing part 244 and earth terminal 222, make ground connection shield 24 except seeing through two grounding parts 242, see through tearing part 244 simultaneously, earth terminal 222 is reached ground connection with circuit board 3, ground connection shield 24 is increased in order to the contact point of ground connection, and can effectively reduce ground connection shield 24 contact impedances, reach preferable ground connection effect, has preferable ELECTROMAGNETIC OBSCURANT effect, so that meet the demand of all size electronic cards.
Claims (16)
1, a kind of electric connector is planted in order to be installed in the subcard of can powering on the circuit board, it is characterized in that this electric connector comprises:
One insulating body;
One joint, it is connected in this insulating body one end, and this joint has several signal terminals and earth terminal, and these terminals are electrically connected at this circuit board; And
One ground connection shield, it includes a shielding portion and an a pair of grounding parts in order to cover these signal terminals and earth terminal, the electrical contact circuit plate of this two grounding parts and reach ground connection, this shielding portion is provided with at least one tearing part, this tearing part contacts this earth terminal, makes this ground connection shield see through tearing part, earth terminal and circuit board and reaches ground connection.
2, electric connector according to claim 1 is characterized in that: this insulating body has two arms, forms the plug-in card space of the electronic cards that can be used for planting between this two arm.
3, electric connector according to claim 1 is characterized in that: this insulating body is provided with a shielding casing.
4, electric connector according to claim 1 is characterized in that: this insulating body is provided with trip mechanism.
5, electric connector according to claim 1 is characterized in that: these signal terminals and earth terminal directly and this circuit board reach electric connection.
6, electric connector according to claim 1 is characterized in that: these signal terminals and earth terminal see through conversion terminal and this circuit board is reached electric connection.
7, electric connector according to claim 1, it is characterized in that: these signal terminals and earth terminal are electrically connected at a switching circuit board, the electrical contact of these terminals and switching circuit board lower edge is electrically connected, and this circuit board is provided with a corresponding connector, the electrical contact of this switching circuit board lower edge is plugged in this connector, makes these terminals see through switching circuit board and connector and this circuit board and reaches electric connection.
8, electric connector according to claim 1, it is characterized in that: these signal terminals and earth terminal are electrically connected at a board to board connector, and this circuit board is provided with another corresponding board to board connector, this two board to board connector is pegged graft mutually and is reached electric connection, makes these terminals reach electric connection through this two board to board connector and this circuit board.
9, electric connector according to claim 1 is characterized in that: bend under two side direction of two grounding parts of this ground connection shield by this shielding portion and extend to form, make this two grounding parts be connected in this shielding portion in integrally formed mode.
10, electric connector according to claim 1 is characterized in that: two grounding parts of this ground connection shield are connected in this shielding portion in the mode of combination.
11, electric connector according to claim 10 is characterized in that: these shielding portion two sides and this two grounding parts are provided with corresponding connecting portion and overlap mutually and be welded to connect and be one.
12, electric connector according to claim 1 is characterized in that: this shielding portion has several and covers pin in order to cover signal terminal and earth terminal.
13, electric connector according to claim 1 is characterized in that: the grounding parts of this ground connection shield electrically contacts the ground mat of this circuit board and reaches ground connection.
14, electric connector according to claim 1 is characterized in that: the tearing part of this ground connection shield is provided with Gold plated Layer, and this tearing part contacts this earth terminal with Gold plated Layer.
15, electric connector according to claim 1 is characterized in that: this electric connector is the electric connector of two-layer equation.
16, electric connector according to claim 1 is characterized in that: this electric connector is the electric connector of single-layer type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200889370U CN2733643Y (en) | 2004-08-26 | 2004-08-26 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200889370U CN2733643Y (en) | 2004-08-26 | 2004-08-26 | Electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2733643Y true CN2733643Y (en) | 2005-10-12 |
Family
ID=35069480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200889370U Expired - Fee Related CN2733643Y (en) | 2004-08-26 | 2004-08-26 | Electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2733643Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752692B (en) * | 2008-12-01 | 2012-02-29 | 庆盟工业股份有限公司 | Electronic card connector and assembly method thereof |
-
2004
- 2004-08-26 CN CNU2004200889370U patent/CN2733643Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752692B (en) * | 2008-12-01 | 2012-02-29 | 庆盟工业股份有限公司 | Electronic card connector and assembly method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051012 Termination date: 20100826 |