CN2519432Y

CN2519432Y - Electric connector

Info

Publication number: CN2519432Y
Application number: CN01276599U
Authority: CN
Inventors: 曾国忠; 蔡富凯
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2001-12-08
Filing date: 2001-12-08
Publication date: 2002-10-30
Anticipated expiration: 2011-12-08

Abstract

An electrical connector, in particular to a flexible and flat cable connector with a segmentation type brake gear, comprises an insulated body, a plurality of signal terminals, a locating piece and a fixing device. The insulated body is provided with a detaining groove to detain the fixing device, a button groove to detain the brake gear, a plurality of grooves to detain signal terminals and a continuous groove to install the locating piece, wherein, a first lug and a second lug are arranged in the button groove; each signal terminal is provided with a fixed arm fixed in the insulated body and an elastic arm extending to the detaining groove; the locating piece is provided with a fixed part fixed in the continuous groove of the insulated body and a welding part welded on the circuit board; the fixing device is provided with a tongue part inserting into the detaining groove, a base to detain flexible and flat cables and the brake gear detained in the button groove of the insulated body. The brake gear comprises a button arm and two button blocks on the button arm. By the segmentation type brake gear, the opening or closing of the fixing device can be realized, thereby realizing the connection or disconnection of the flexible and flat cable.

Description

Electric connector

[technical field]

The utility model is about a kind of electric connector, refers in particular to a kind of flexible flat cable connector with segmented brake mechanism.

[background technology]

Existing flexible flat cable connector generally includes an insulating body that contains some signal terminals, and this insulating body is provided with has the accepting groove that exposes opening, and its roof then has depressed part, in order to accommodate by the flexible flat cable in the opening insertion accepting groove; A holding unit, when flexible flat cable is contained in the accepting groove by holding unit, the terminal that extends in the accepting groove electrically contacts with flexible flat cable, and holding unit is provided with brake mechanism at opposite end, in order to hold with the insulating body button, thereby guarantee that holding unit is fixed on the insulating body, relevant patent can be with reference to No. 89205293 case of TaiWan, China patent application.See also shown in Figure 1, this flexible flat cable connector 1 ' comprises an insulating body 2 ', a holding unit 3 ' and some signal terminals (not shown), this insulating body 2 ' is provided with accepting groove 18 ' and some grooves 14 ', wherein, accepting groove 18 ' is in order to accommodating holding unit 3 ', and groove 14 ' is in order to accommodate signal terminal; Holding unit 3 ' comprises the tongue 32 ' and a pair of brake mechanism 24 ' that can insert in the accepting groove 18 ', wherein, tongue 32 ' is in order to the guide end of fixing flexible flat cable, and the free terminal of brake mechanism 24 ' is provided with a barb, holds holding unit 3 ' in order to button.Yet, when holding unit 3 ' need withdraw from, because the brake mechanism 24 ' of this holding unit 3 ' is to rely on the barb of its free terminal and 28 ' the direct button of the projection in the insulating body 2 ' guide channel 26 ' to hold, therefore cause easily that switch out or other are undesired to retreat the fracture that is caused, thereby shorten the useful life of holding unit, and the assembling process of holding unit and insulating body is also more loaded down with trivial details, and the process that withdraws from of holding unit is difficult for realizing.Therefore, press for the flexible flat cable connector that a kind of holding unit of design and insulating body have preferable compound mode.

[summary of the invention]

The purpose of this utility model is to provide a kind of electric connector that is used to connect flexible flat cable, and it has the advantage that segmentation is braked, combination is accurately easy, prolong useful life greatly.

For achieving the above object, the utility model adopts following technical scheme: the utility model electric connector comprises insulating body, holding unit and some signal terminals.Insulating body has the accepting groove of accommodating holding unit, be positioned at the buckle slot of accepting groove both sides and accommodate some grooves of signal terminal, wherein is provided with first projection and second projection in the buckle slot; Each signal terminal has fixed arm that is retained in the insulating body and the elastic arm that extends in the accepting groove; Holding unit has the tongue that can insert in the accepting groove, accommodate the pedestal of flexible flat cable and be contained in brake mechanism in the buckle slot of insulating body, this brake mechanism comprises a button gripping arm and is positioned at two buttons of detaining on the gripping arm holds piece, and two buttons are held piece and can be respectively matched with first, second projection in the buckle slot, the segmented brake mechanism can be realized the closure or openness of holding unit whereby, thereby realizes being connected or disconnection of flexible flat cable and electric connector.

Compared with prior art, the utility model electric connector is realized the closure or openness of holding unit by the segmented brake mechanism, thereby prolongs the useful life of electric connector, makes the operation of electric connector easier simultaneously, reliable.

[description of drawings] Fig. 1 is the stereogram of existing flexible flat cable connector.Fig. 2 is the three-dimensional exploded view of the utility model electric connector.Fig. 3 is the stereogram of the utility model electric connector on the enable possition.Fig. 4 is the stereogram of the utility model electric connector on make position.Fig. 5 is the cutaway view of Fig. 3 along the A-A position.Fig. 6 is the cutaway view of Fig. 4 along the B-B position.Fig. 7 is the cutaway view of Fig. 3 along the C-C position.Fig. 8 is the cutaway view of Fig. 4 along the D-D position.

[embodiment]

See also shown in Figure 2ly, the utility model electric connector 1 includes insulating body 2, holding unit 3, keeper 6 and some signal terminals 16.

See also Fig. 2 to shown in Figure 8, insulating body 2 has some spaced grooves 14, and this groove 14 penetrates the rear surface 10 and the front surface 20 of insulating body 2 respectively, in order to accommodate and fixing signal terminal 16 (as shown in Figure 5 and Figure 6).Accepting groove 18 is arranged in the insulating body 2, and it is opened on front surface 20, accommodate a holding unit 3 with movable manner, and groove 14 stretches in the accepting groove 18.Buckle slot 13 is the both sides that are arranged at the accepting groove 18 of insulating body 2, it runs through forward and backward surperficial 20,10 of insulating body 2, and at close 10 places, rear surface, from its side 19 to projecting inward first projection 28 that is provided with, and at front surface 20 places to projecting inward second projection 21 that is provided with, in order to segmentation snapping holding unit 3.Groove 15 is to be arranged at insulation by between the accepting groove 18 of body 2 and the buckle slot 13, and it runs through the upper and lower surperficial 11,12 of insulating body 2, fin 611 interferences on its medial surface and the keeper 6 and fixed positioning piece 6.

See also Fig. 2, Fig. 5 and shown in Figure 6, each signal terminal 16 comprises the fixed arm 80 and the corresponding elastic arm 82 that are connected in the respective groove 14, and this elastic arm 82 has barb type free end 84, and it extends in the accepting groove 18.Signal terminal 16 also has an afterbody 85, and this afterbody 85 extends to outside the insulating body 2, in order to weld with circuit board (not shown).

See also Fig. 2 to shown in Figure 8, holding unit 3 comprises that a pedestal 30, one can be contained in the tongue 32 in the accepting groove 18 of insulating body 2 and be positioned at the brake mechanism 24 at pedestal 30 two ends, wherein pedestal 30 is provided with depressed part 34, in order to accommodate and supporting flexible flat cable 36; Tongue 32 has an inclined upper surface 38, and has the some isolation channels 44 corresponding to signal terminal 16 fixed arms 80 on the bottom surface 46 of tongue 32; Pedestal 30 two ends have stop part 35 respectively; Brake mechanism 24 stretches out from the medial surface 42 of pedestal 30, and its bearing of trend is identical with the bearing of trend of tongue 32, this brake mechanism 24 has a button gripping arm 26 and is positioned at first on the button gripping arm 26, second button is held piece 243,244, first side 241 of wherein detaining gripping arm 26 is vertical with the medial surface 42 of holding unit 3, and its second side 242 is roughly vertical with the medial surface 42 of holding unit 3 and slightly be partial to first side 241, first, second button is held piece 243,244 can be positioned on any side of button gripping arm 26, in this embodiment first, second button is held piece 243,244 all are positioned on first side 241, and first button is held the end that piece 243 is positioned at button gripping arm 26, and second button is held piece 244 and is held between piece 243 and the medial surface 42 at first button, and the height that second button is held piece 244 is detained the height of holding piece 243 greater than first.

See also shown in Figure 2, keeper 6 is in order to be retained on electric connector 1 on the circuit board (not shown), it comprises that a base portion 60 reaches and base portion 60 vertically disposed fixed parts 61, wherein base portion 60 is in order to be soldered on the circuit board, which is provided with a small through hole 601, adsorbable whereby more scolders and make welding more firm, fixed part 61 both sides are respectively equipped with fin 611, in order to holding mutually, thereby electric connector 1 is retained on the circuit board with the groove 15 of insulating body 2.

See also Fig. 5 and shown in Figure 7, when holding unit 3 is positioned at the enable possition, the inclined upper surface 38 of

tongue

32 and 84 of the barb-shaped free ends of signal terminal 16 are formed with a gap 40, in order to the guide end 361 (as shown in Figure 5) of accommodating flexible flat cable 36, at this moment, second projection 21 that second button of brake mechanism 24 is held on piece 244 and the buckle slot 13 is interlockingly connected, and first button is held piece 243 unsettled (as shown in Figure 7).

When holding unit 3 moves into make position from the enable possition, the fixed arm 80 of signal terminal 16 is contained in the isolation channel 44 of fixture 3, and fixture 3 can be moved with respect to insulating body 2, and this isolation channel 44 can prevent that holding unit 3 is displaced sideways with respect to insulating body 2, and in the cohesive process of holding unit 3 and insulating body 2, the fixed arm 80 of isolation channel 44 and signal terminal 16 combine the effect that has equally also played stabilization signal terminal 16.Meanwhile, second button of brake mechanism 24 is held piece 244 and is broken away from second projection 21 and push to buckle slot 13, and its first button is held 243 of pieces and moved to first projection, 28 directions.

See also Fig. 6 and shown in Figure 8, when holding unit 3 was positioned at make position, tongue 32 inserted in the accepting groove 18 fully, and 361 of the guide end of flexible flat cable 36 electrically combine (as shown in Figure 6) with the barb-shaped free end 84 of corresponding signal terminal 16.At this moment, first button of brake mechanism 24 holds piece 243 and first projection 28 is interlockingly connected, and second button is held piece 244 unsettled (as shown in Figure 8).

In sum, because the button gripping arm 26 of brake mechanism 24 is provided with and is used for that first button of snapping first projection 28, second projection 21 is held piece 243 respectively, second button is held piece 244, segmented brake mechanism 24 is realized the closure or openness of holding unit 3 whereby, thereby realize the electric connection or the disconnection of 16 of flexible flat cable 36 and signal terminals, this brake mechanism 24 has prolonged the useful life of electric connector 1 simultaneously, and make the operation of electric connector 1 easier, reliable.

Claims

1. electric connector, comprise insulating body, holding unit and some signal terminals, insulating body has accepting groove, be positioned at the buckle slot of accepting groove both sides and accommodate some grooves of signal terminal, holding unit comprises the tongue in the accepting groove that can be contained in insulating body, can be contained in a brake mechanism and a pedestal in the buckle slot of insulating body, it is characterized in that: brake mechanism comprises the button gripping arm and is positioned at some buttons of detaining on the gripping arm holds piece, hold some projections that piece is provided with and have in the buckle slot, borrow button to hold piece and the segmentation braking that cooperating of projection realizes electric connector corresponding to button.

2. electric connector as claimed in claim 1 is characterized in that: this electric connector is provided with keeper in the bottom surface of insulating body.

3. electric connector as claimed in claim 2 is characterized in that: insulating body have accommodate, the groove of fixed positioning piece.

4. electric connector as claimed in claim 1 is characterized in that: first side of button gripping arm is vertical with the medial surface of holding unit, and its second side is roughly vertical with the medial surface of holding unit and slightly be partial to first side.

5. electric connector as claimed in claim 4 is characterized in that: the button gripping arm is provided with first, second button and holds piece, and two buttons are held piece and all are positioned on first side of button gripping arm.

6. electric connector as claimed in claim 5 is characterized in that: first the button hold piece be positioned at the button gripping arm free terminal, and second the button hold piece first the button hold between the medial surface of piece and holding unit.

7. electric connector as claimed in claim 6 is characterized in that: first button is held the height of piece and is detained the height of holding piece less than second.

8. electric connector as claimed in claim 1 is characterized in that: signal terminal comprises fixed arm that is retained in the insulating body and the elastic arm that extends in the accepting groove.

9. electric connector as claimed in claim 8 is characterized in that: the bottom surface of holding unit has the some isolation channels corresponding with the fixed arm of signal terminal.