CN2667700Y - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector used for electrically connecting a flexible printing circuit board and a circuit board. The connector comprises an insulating body, conductive terminals in the insulating body and a blocking device; wherein, the insulating body comprises an accepting area containing the flexible printing circuit board, the conductive terminal is provided with a contact part which is extended into the accepting area of the insulating body and connected with the flexible printing circuit board, wherein the electric connector also comprises a shielding shell covered on periphery of the insulating body, the shielding shell is provided with a cover body used for shielding the blocking device, the front end of the cover body is provided with a U-shaped action part. As the structure is adopted, the utility model performs a complete shielding effect, which effectively prevents the electromagnetic disturbing, ensures the quality of transferring signal. Operating is also more convenient for operator.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, relates in particular to a kind of with flexible printed circuit board (Flexible Printed Circuit, FPC) electric connector that electrically connects with another circuit board.

[background technology]

Connector for flexible printed circuit board is a kind of electric connector that flexible printed circuit board and another fixing circuit board are electrical connected of being used for, and this kind electricity connects device and comprises that the insulating body that is installed on the fixing circuit board and several are housed in the corresponding accepting groove of this insulating body and are welded on conducting terminal on the fixing circuit board usually.On the aforementioned dielectric body and offer the opening that communicates with accepting groove, be used for accommodating the end of flexible printed circuit board, thereby conductive junction point on the flexible printed circuit board and conducting terminal are conducted, thereby this flexible printed circuit board is electrically connected.In addition, on insulating body and be equiped with a clamping close device so that flexible printed circuit board is fixed in this connector for flexible printed circuit board.Now more connector for flexible printed circuit board adopts the clamping close device of rotary or drawer type.As United States Patent (USP) the 5th, 904, No. 586 and the 6th, 254, the electric connector of the rotary clamping close device of employing that is disclosed for No. 406, described clamping close device are fixed on the insulating body and around each rotational, promptly are contained in electric connector when inner when flexible printed circuit board, clamping close device is rotating closed, thereby flexible printed circuit board is fixed in the electric connector.And for example United States Patent (USP) the 6th, 475, the electric connector of the employing drawer type clamping close device that is disclosed for No. 026, when it uses, earlier this clamping close device is extracted out and formed receiving space to accommodate flexible printed circuit board, then flexible printed circuit board is inserted closed this clamping close device in back, thereby in flexible printed circuit board is fixed in.

Yet, for the connector of high-frequency signal transmission, the electromagnetic interference (EMI) phenomenon taking place easily, thereby influences the quality of signal transmission.For the consideration of this respect, need to install the shielding casing structure additional, to form good screening effect in the outside of electric connector.But, how to have under the situation that does not influence described clamping close device start installing shielding casing and as why not influence the problem of user's operation.As United States Patent (USP) the 6th, 238, disclosed a kind of connector for flexible printed circuit board structure for No. 227 with shielding casing, though this electric connector has shielding casing, but, this electric connector connects flexible printed circuit board and the other end is connected with the public connector that butt connector connects because being an end, therefore this electric connector does not have described clamping close device, aforesaidly how divides into shielding casing and as why not influences the puzzlement of problem such as user's operation in the situation that does not influence the clamping close device start and can't solve.

[utility model content]

The purpose of this utility model is to provide a kind of have good shielding function, easy to operate electric connector.

The purpose of this utility model is achieved through the following technical solutions: a kind of electric connector, be used for a flexible printed circuit board and a circuit board are electrically connected, include insulating body, be contained in conducting terminal and clamping close device in the insulating body, wherein insulating body comprises the receiving space of accommodating flexible printed circuit board, conducting terminal is provided with and extends in the insulating body receiving space in order to the contact site matched with flexible printed circuit board, wherein this electric connector also further comprises the shielding casing that is coated on the insulating body periphery, shielding casing is provided with one in order to cover the lid of described clamping close device, and described lid front end is provided with one " ㄇ " shape Actuator Division.

Compared to prior art, the utility model electric connector to realize anti-electromagnetic interference effect, guarantees the quality of transmission signals by a shielding casing structure is set in the insulating body periphery.And, a lid that is used for covering clamping close device is set, to form complete covering on shielding casing.Simultaneously, be provided with one " ㄇ " shape Actuator Division at the lid front end, it is more convenient to make that the user operates.

[description of drawings]

Fig. 1 is a three-dimensional combination figure of the present utility model.

Fig. 2 is the three-dimensional combination figure of another angle of the utility model.

Fig. 3 is a decomposing schematic representation of the present utility model.

Fig. 4 is the decomposing schematic representation of another angle of the utility model.

Fig. 5 is a part three-dimensional combination figure of the present utility model.

Fig. 6 is the cutaway view along A-A line among Fig. 1.

[embodiment]

Please refer to Fig. 1 to shown in Figure 4, the utility model has disclosed a kind of electric connector 100, be used for flexible printed circuit board and a fixing circuit board are electrically connected, comprise insulating body 1, be mounted on the conducting terminal 2 in the insulating body 1, the clamping close device 3 that is connected with insulating body 1, shielding casing 4 reach the metal cap body 5 that is connected with shielding casing 4.Wherein, shielding casing 4 is coated on the periphery of insulating body 1, and lid 5 then is coated on the outside of clamping close device 3.

Insulating body 1 is provided with roof 11, sidewall 12, diapire (not label) and receiving space 10.Insulating body 1 rear portion also is provided with some in order to accommodate conducting terminal 2 terminal containing slots (not label).Wherein, be arranged with a chute 13 respectively, and roof 11 leading edges are extended forward and are provided with some arc protuberances 14 near roof 11 both sides of sidewall 12.In addition, also be provided with some support slots 15 on insulating body 1 rear surface.

In conjunction with shown in Figure 6, the weld part 23 that conducting terminal 2 electrically connects by top set's (not label), the inferior division (not label) that is oppositely arranged, with circuit board (not shown) and be connected upper and lower branch and the connecting portion of weld part 23 (not label) is formed, wherein the inferior division free end is provided with contact site 21, top set's free end is provided with holding parts 22.The top set of conducting terminal 2, inferior division are contained in insulating body 1 terminal containing slot, wherein said contact site 21 extends to insulating body 1 receiving space 10 by insulating body 1 terminal containing slot, and holding parts 22 is then just in time between insulating body 1 some protuberances 14.

Clamping close device 3 is a movable part, comprise a plate-like base 30, be positioned at base portion 30 1 ends and first Actuator Division 31 that is vertical setting with base portion 30, be positioned at base portion 30 in addition end arc groove 32 and be positioned at press section 33 below this arc groove 32.In addition, be respectively equipped with protruding axle 34 and fixing piece 35 on two side external surfaces of base portion 30 again, described protruding axle 34 is stretched by 30 liang of side external surface epireliefs of described arc groove 33 pairing base portions and is formed.

Shielding casing 4 comprises an end face 41, is bent the side 42 of extension downwards and down bent the back 43 of extension by these end face 41 trailing edges by these end face 41 both sides.Wherein, these end face 41 front ends are provided with some slotted holes 411 in order to connection lid 5, and the middle part is provided with the longitudinal abutting part 412 to lower recess, and the rear end is provided with some openings 413.Described two sides 42 are extended a segment distance again respectively forward, are respectively equipped with a dome 421 on this extension, in order to lid 5 buttons are held fixing (being detailed later).In addition, the lower edge of each side 42 also is provided with the retaining sheet 422 of some extensions of bending outward and the engagement tabs 423 that bends inwards.Again, 43 both sides, described back bending extension forward respectively are provided with a fixing arm 431, and this fixing arm 431 is positioned at the inboard of side 42.

Lid 5 also is a movable part, it mainly is coated on the outside of clamping close device 3, comprise a main part 51, be positioned at main part 51 1 ends and vertically disposed with it second Actuator Division 52, be positioned at this main part 51 end annular hinge 53 that cooperates with slotted hole 411 on shielding casing 4 end faces 41 in addition, wherein second Actuator Division 52 is roughly " ㄇ " shape, can be punch forming and form, described " ㄇ " shape is installed the planform that forms with the recess of operating for convenience for offering on this second Actuator Division 52.Described.In addition, this main part 51 relatively in addition both sides respectively bending downwards be provided with holding part 54, be provided with one on each holding part 54 again and hold hole 541 structures with shielding casing 4 domes 421 button of holding that interlocks.

Please refer to Fig. 1 to shown in Figure 6, during assembling, at first, conducting terminal 2 is installed on the insulating body 1.The top set of conducting terminal 2, inferior division are contained in insulating body 1 terminal containing slot, wherein said contact site 21 extends to insulating body 1 receiving space 10 by insulating body 1 terminal containing slot, and holding parts 22 is then just in time between insulating body 1 some protuberances 14.In addition, weld part 23 is positioned at insulating body 1 rear portion and similar and insulating body 1 diapire is positioned at same horizontal plane, is beneficial to weld with main circuit board.Secondly, clamping close device 3 and insulating body 1 are fitted together.The protruding axle 34 of clamping close device 3 is inserted in the chute 13 of insulating body 1, this moment, the arc groove 32 of described clamping close device 3 just in time matched (with reference to shown in Figure 6) with the arc protuberance 14 of insulating body 1 and the holding parts 22 of conducting terminal 2, made arc groove 32 to rotate around the arc protuberance 14 of described insulating body 1 and the holding parts 22 of conducting terminal 2.By such setting, to realize that clamping close device 3 can rotate around insulating body 1.Once more, shielding casing 4 and metal cap body 5 are fitted together.Lid 5 fastens by the slotted hole on annular hinge on it 53 and shielding casing 4 end faces 41 411 and links together with shielding casing 4, realizes that simultaneously lid 5 can rotate around shielding casing 4.Then, shielding casing 4 and metal cap body 5 are installed on the insulating body 1 in the lump.The engagement tabs 423 of described shielding casing 4 is connected on the diapire of insulating body 1, and fixing arm 431 then is inserted in the support slot 15 of insulating body 1.This moment, shielding casing 4 coated insulating body 1, and lid 5 then is coated on the clamping close device 3.Abutting part 412 on described shielding casing 4 end faces 41 is connected on insulating body 1 roof 11, is provided with like this, can avoid between shielding casing 4 and the conducting terminal 2 apart from the phenomenon that too closely produces contact short circuit.At last, the electric connector 100 that assembles is welded on the main circuit board, wherein the retaining sheet 422 on shielding casing 4 sides 42 is welded on the main circuit board with whole electric connector 100 and main circuit board fixing mutually.Simultaneously, whether the weld part 23 that can detect conducting terminal 2 by the some openings 413 on shielding casing 4 end faces 41 contacts intact with main circuit board.

During use, flexible printed circuit board (not shown) inserts from front to back and is contained in the receiving space 10 of insulating body 1, and the conducting that contacts with the contact site 21 of conducting terminal 2.Then, clamping close device 3 and insulating body 1 are fastened.On the one hand, the press section of clamping close device 3 33 is exerted pressure to flexible printed circuit board, and it is more firm to contact with the contact site 21 of conducting terminal 2, and makes this flexible printed circuit board can be fixed in insulating body 1 receiving space 10; On the other hand, the fixing piece on clamping close device 3 both sides 35 interlocks with insulating body 1 roof 11 and holds.At last, lid on the shielding casing 45 and shielding casing 4 are fastened.Button on the described lid 5 hold hole 541 and dome 421 on shielding casing 4 sides 42 interlock hold fixing.Lid 5 behind the fastening and shielding casing 2 offer clamping close device 3 and insulating body 1 to cover completely.

During taking-up, earlier lid 5 is raised.Because second Actuator Division 52 of lid 5 is " ㄇ " shape structure, can makes the user very easily lid 5 be raised or close, and need not raise this lid 5 by other aids.Then clamping close device 3 is raised, the pressure of 33 pairs of flexible printed circuit boards of press section of clamping close device 3 is removed at this moment, and this flexible printed circuit board just can take out from electric connector 100 very easily.

Really, also can adopt the snap-in structure of drawer type as the clamping close device on the utility model electric connector 100 3, described lid 5 still can form complete covering when clamping close device 3 closed backs, with clamping close device 3 coatings.

Claims (10)

1. electric connector, be used for a flexible printed circuit board and a circuit board are electrically connected, include insulating body, be contained in conducting terminal and clamping close device in the insulating body, wherein insulating body comprises the receiving space of accommodating flexible printed circuit board, conducting terminal is provided with and extends in the insulating body receiving space in order to the contact site matched with flexible printed circuit board, it is characterized in that: this electric connector also further comprises the shielding casing that is coated on the insulating body periphery, shielding casing is provided with one in order to cover the lid of described clamping close device, and described lid front end is provided with one " ㄇ " shape Actuator Division.

2. electric connector as claimed in claim 1 is characterized in that: described lid also comprises a main part and is positioned at the annular hinge of this main part rear end that described Actuator Division is bent vertically downward to extend by this main part front end and forms.

3. electric connector as claimed in claim 2 is characterized in that: described shielding casing comprises an end face, and front end of the top surface is provided with the some slotted holes that cooperate with the annular hinge of lid.

4. electric connector as claimed in claim 3, it is characterized in that: described shielding casing also comprises two sides, establish a dome on each side, described lid main part both sides bending downwards respectively are provided with holding part, are provided with one on each holding part again and hold the hole with the shielding casing dome button of holding that interlocks.

5. electric connector as claimed in claim 4 is characterized in that: described shielding casing also comprises a back that conducting terminal is covered fully.

6. electric connector as claimed in claim 5 is characterized in that: described insulating body rear surface is provided with some support slots, and both sides, shielding casing back are extended forward and are provided with the fixing arm of accommodating and being fastened in the described support slot.

7. electric connector as claimed in claim 1 is characterized in that: described shielding casing also comprises two sides, each side be provided with that some bendings outward are provided with and in order to the retaining sheet of main circuit board welding fixing.

8. as any one described electric connector in the claim 1 to 7, it is characterized in that: this clamping close device comprises a plate-like base, be positioned at the arc groove of base portion one end and be positioned at press section below this arc groove.

9. electric connector as claimed in claim 8 is characterized in that: protrude out respectively on pairing base portion two side external surfaces of the arc groove of described clamping close device and be provided with a protruding axle, then be provided with the chute of accommodating described protruding axle on the insulating body roof both sides.

10. electric connector as claimed in claim 9, it is characterized in that: described insulating body roof leading edge protrudes out forward and is provided with some protuberances, each conducting terminal also is provided with a holding parts between the some protuberances of insulating body, and this insulating body protuberance and conducting terminal holding parts were contained in the arc groove of clamping close device after clamping close device was installed on the insulating body.

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