CN201440493U - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector which comprises an insulating body, at least one terminal and a pressure transfer plate, wherein the terminal is held on the insulating body; the pressure transfer plate is arranged on the insulating body and rotates corresponding to the insulating body; one end of the insulating body is provided with a containing space, and the other end is provided with a notch for installing the pressure transfer plate and a second side wall which is positioned at the bottom of the notch. The terminal comprises a support point part, a first support arm and a second support arm, wherein the first arm is connected with one end of the support point part, and the second support arm is connected with the other end of the support point part; one end of the first support arm is provided with a contact arm which is protruded into the containing space, and the other end is provided with a butting arm which is protruded into the notch; one side of the pressure transfer plate is provided with slots and rotating shafts which are arranged in the slots for being matched with the butting arm; the pressure transfer plate is provided with a protruding block which is arranged between two slots; the second side wall is provided with a blocking part which is matched with the protruding block; and the protruding block is supported on the second side wall, thereby improving the stability of the electric connector.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector that connects flexible printed circuit board.

[background technology]

Existing flexible printed circuit board (the Flexible Printed Circuit that accommodates.Call FPC in the following text) have an electric connector that changes pressing plate, generally comprise insulating body, be immobilizated in the terminal in the insulating body and be assembled in commentaries on classics pressing plate on the insulating body, the electric connector of No. 101237088 announcement is disclosed as Chinese utility model patent, this electric connector is in inserting the FPC process, commentaries on classics pressing plate elder generation level outwards moves a certain distance inserts FPC again, the commentaries on classics pressing plate is rotated down until off-position after inserting FPC, level is mobile to the inside again to change pressing plate this moment, realizes that electric connector and FPC electrically connect.In existing electric connector, to change pressing plate and directly be supported on the terminal, when rotating mutually as if the commentaries on classics pressing plate, this commentaries on classics pressing plate directly produces with terminal and cooperates, thereby, may become flexible phenomenon to the weld part and the circuit board generation of terminal, influence the electric connection of electric connector and FPC.In addition, in the prior art, generally adopt on terminal, to be provided with block and to prevent that the spline pressing plate outwards moves, this kind structure also easily make the terminal weld part produce loosening may.

Therefore, be necessary to design a kind of electric connector that overcomes above-mentioned defective.

[utility model content]

Technical problem to be solved in the utility model is to improve the stability of electric connector.

For addressing the above problem, the utility model adopts following technical scheme: a kind of electric connector, it comprises insulating body, be immobilizated in the terminal on the insulating body and be installed on the insulating body and the commentaries on classics pressing plate that rotates with respect to insulating body, one end of described insulating body is provided with receiving space, the other end is provided with installs recess that changes pressing plate and second sidewall that is positioned at notched bottoms, at least one terminal comprises fulcrum, connect first support arm of fulcrum one end and second support arm of the connection fulcrum other end, one end of this first support arm is provided with the contact arm that protrudes in the receiving space, the other end is provided with the abutment arms that protrudes in the recess, one side of changeing pressing plate is provided with conduit and is located at the interior rotating shaft to cooperate with abutment arms of conduit, described commentaries on classics pressing plate is provided with the projection between conduit, described second sidewall is provided with the stopper that matches with this projection, and this projection is supported on second sidewall.

Compared with prior art, the utlity model has following beneficial effect: by on the commentaries on classics pressing plate, being provided with projection, this commentaries on classics pressing plate is supported on second sidewall, and second sidewall is provided with the stopper that matches with this projection and cooperates with insulating body will change pressing plate, thereby prevent that terminal is loosening, improve the stability of electric connector.

In order to solve the problems of the technologies described above the another technical scheme of the utility model: a kind of electric connector, the commentaries on classics pressing plate that comprises insulating body, is immobilizated in the terminal on the insulating body and is installed on the insulating body and freely rotates with respect to insulating body; Described insulating body one side is provided with second sidewall that receiving space, opposite side are provided with recess and are arranged at this recess downside; Described terminal is provided with fulcrum, connect first support arm of this fulcrum one end and connect second support arm of the fulcrum other end, and first support arm comprises and protruding into

Contact arm in the receiving space and be arranged at abutment arms in the recess; Described commentaries on classics pressing plate is arranged in this recess and is provided with the conduit that correspondence is accommodated abutment arms; Described second sidewall is provided with the stopper that protrudes out in recess, change pressing plate and be provided with the depression of accommodating this stopper and be connected to projection on this stopper, and this projection is supported on second sidewall.

Compared with prior art, the utility model electric connector has following beneficial effect: by being provided with the depression of accommodating stopper on the pressing plate and being connected to projection on this stopper changeing, this commentaries on classics pressing plate is supported on second sidewall, second sidewall is provided with the stopper that matches with this projection and cooperates with insulating body will change pressing plate, thereby prevent that terminal is loosening, improve the stability of electric connector.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model electric connector, and its transfer pressing plate is shown in an open position.

Fig. 2 is the three-dimensional combination figure of another angle of the utility model electric connector, and its transfer pressing plate is shown in an open position.

Fig. 3 is the three-dimensional combination figure of the utility model electric connector, and its transfer pressing plate is in the close position.

Fig. 4 is the three-dimensional exploded view of the utility model electric connector.

Fig. 5 is the cutaway view along A-A line shown in Figure 1.

Fig. 6 is the cutaway view along B-B line shown in Figure 1.

Fig. 7 is the cutaway view along C-C line shown in Figure 3.

[embodiment]

Describe the embodiment of the utility model electric connector in detail below in conjunction with accompanying drawing.

See also shown in Figure 1, the commentaries on classics pressing plate 4 that the utility model electric connector comprises insulating body 1, be inserted in the first terminal 2 and second terminal 3 alternately arranged in the insulating body 1, be installed on the insulating body 1 and rotate with respect to insulating body 1 and be held in insulating body 1 both sides grab plate 5, when commentaries on classics pressing plate 4 is in open position (seeing also Fig. 6), can holds flexible printed circuit board (not shown) and freely insert; When commentaries on classics pressing plate 4 is in the close position (seeing also Fig. 7), these commentaries on classics pressing plate 4 extruding flexible printed circuit boards and terminal 2,3 are reached electric connection.

See also shown in Figure 4, described insulating body 1 has the first side wall 11, the end walls 13 of second sidewall 12 and the connection the first side wall 11 and second sidewall 12, this wall forms the receiving space 14 (seeing also Fig. 2) that inserts for flexible printed circuit board at an end of insulating body 1, described second sidewall 12 all extends to form for changeing the recess 15 that pressing plate 4 is installed to the other end of insulating body 1 with end walls 13, second sidewall 12 that is positioned at recess 15 bottoms is provided with several first accepting grooves 121, form jube 122 between every adjacent two first accepting grooves 121, the described jube 122 convex stoppers 123 that are provided with, be provided with several through holes 124 in the described jube 122, described second sidewall 12 is provided with several grooves 125 (seeing also Fig. 6) that is connected with through hole 124.The two ends of described insulating body 1 are provided with the holding hole 16 that fixing is grabbed plate 5.

See also Fig. 4 and Fig. 5, described the first terminal 2 is contained in above-mentioned first accepting groove 121, described the first terminal 2 comprises fulcrum 21, first support arm 22 that extends from fulcrum 21 tops and second support arm 23 that extends from fulcrum 21 belows, an end of described first support arm 22 for protrude in the recess 15 and with commentaries on classics pressing plate 4

The abutment arms 221 that connects, the other end is first contact arm 222 that protrudes into receiving space 14, described first contact arm 222 is provided with first contact site 2221 that connects with flexible printed circuit board, one end of described second support arm 23 is provided with first weld part 231 that is used to be welded on the circuit board and is positioned at recess 15 sides, be provided with protuberance 232 between described first weld part 231 and the fulcrum 21, described first weld part 231 is provided with barb 2311, the other end of described second support arm 23 is second contact arm 233 that protrudes into receiving space 14, and described second contact arm 233 is provided with second contact site 2331 that connects with flexible printed circuit board.

See also Fig. 4 and Fig. 6, described second terminal 3 comprises fulcrum 31, first support arm 32 that extends from fulcrum 31 tops and second support arm 33 that extends from fulcrum 31 belows, one end of described first support arm 32 is and changes the abutment arms 321 that pressing plate 4 connects, described abutment arms 321 is provided with protuberance 3211, the other end of described first support arm 32 is first contact arm 322 that protrudes into receiving space 14, described first contact arm 322 is provided with first contact site 3221 that connects with flexible printed circuit board, one end of described second support arm 33 is the welding arm 331 that is oppositely arranged with first contact arm 322, described welding arm 331 is provided with second weld part 3311 that is used to be welded on the circuit board and is positioned at receiving space 14 sides, described welding arm 331 is provided with second contact site 3313 between the fulcrum 31 and second weld part 3311, described second weld part 3311 is provided with barb 3312, and the other end of described second support arm 33 is the fixing arm 332 that is immobilizated in the jube 122.

See also Fig. 4, described commentaries on classics pressing plate 4 is a longitudinal, side at lengthwise is provided with several conduits 41, be provided with projection 42 between every adjacent two conduits, in other embodiments, this projection 42 also can only be established several, be provided with rotating shaft 411 in the described conduit 41, the both sides of described commentaries on classics pressing plate 4 are provided with end axle 43, and in other embodiments, the utility model electric connector also can not established rotating shaft 411.Described commentaries on classics pressing plate 4 also is provided with the depression 44 (seeing also Fig. 7) of accommodating insulating body stopper 123.

See also shown in Figure 4, described grab plate 5 comprise body 51, from fixing arm 52 and weld part 53 that body 51 extends, described fixing arm 52 is positioned at same plane with weld part 53.

See also Fig. 1 to Fig. 4, during assembling, at first second support arm 23 of the first terminal 2 notched side from insulating body 1 is inserted into first accepting groove 121, again second support arm 33 of the second terminal 3 receiving space side from insulating body 1 is inserted in the through hole 124 along groove 125, the described the first terminal 2 and second terminal 3 are respectively by barb 2311,3312 hooks are held on the insulating body 1, thereby reach and insulating body 1 purpose of fixing mutually, the fixing arm 332 of described second terminal 3 is fastened in the through hole 124 of jube 122, then will change in the recess 15 that pressing plate 4 is installed on insulating body 1, described abutment arms 221,321 protrude in the conduit 41 that changes pressing plate 4 and are connected in the rotating shaft 411, protuberance 232 on second support arm 23 of described the first terminal 2 all can be kept out the rotating shaft 411 of changeing pressing plate 4 with the protuberance 3211 on described second terminal, 3 first support arms 32, thereby anti-spline pressing plate 4 moves inward, stopper 123 on the jube 122 of described insulating body 1 can be blocked the projection 42 that changes on the pressing plate 4, and anti-spline pressing plate 4 outwards moves.To grab plate 5 again is inserted in the holding hole 16 at insulating body 1 two ends, described fixing arm 52 of grabbing plate 5 protrudes in the recess 15, the end axle 43 at described commentaries on classics pressing plate 4 two ends is installed on second sidewall 12 of recess 15 bottoms and grabs between the fixing arm 52 of plate 5, can prevent that spline pressing plate 4 moves up.The projection 42 of described commentaries on classics pressing plate 4 directly contacts with second sidewall 12 of recess 15 bottoms, like this, has just finished the assembling of the utility model electric connector, and the state after the assembling as shown in Figure 1.

Claims (10)

1. electric connector, it comprises insulating body, be immobilizated in the terminal on the insulating body and be installed on the insulating body and the commentaries on classics pressing plate that rotates with respect to insulating body, one end of described insulating body is provided with receiving space, the other end is provided with installs recess that changes pressing plate and second sidewall that is positioned at notched bottoms, at least one terminal comprises fulcrum, connect first support arm of fulcrum one end and second support arm of the connection fulcrum other end, one end of this first support arm is provided with the contact arm that protrudes in the receiving space, the other end is provided with the abutment arms that protrudes in the recess, one side of changeing pressing plate is provided with conduit and is located at the interior rotating shaft to cooperate with abutment arms of conduit, it is characterized in that: described commentaries on classics pressing plate is provided with the projection between conduit, described second sidewall is provided with the stopper that matches with this projection, and this projection is supported on second sidewall.

2. electric connector as claimed in claim 1 is characterized in that: described second sidewall is provided with several first accepting grooves, forms jube between per two adjacent first accepting grooves, and described stopper is located on the jube.

3. electric connector as claimed in claim 2, it is characterized in that: described terminal comprises the first terminal and second terminal, described the first terminal is contained in above-mentioned first accepting groove and is provided with first weld part that is positioned at notched side, and second support arm of described second terminal is provided with second weld part that is positioned at the receiving space side and the fixing arm that is immobilizated in jube.

4. electric connector as claimed in claim 3 is characterized in that: be provided with several through holes in the jube of described insulating body, the fixing arm of described second terminal is contained in the through hole.

5. electric connector as claimed in claim 1 is characterized in that: the abutment arms of at least one terminal is provided with the protuberance that is positioned at recess, to keep out the rotating shaft of changeing pressing plate.

6. as claim 1 or 2 or 3 described electric connectors, it is characterized in that: described electric connector is provided with the plate of grabbing that is installed on the insulating body, the described plate of grabbing is provided with the fixing arm that is immobilizated in the insulating body and is in weld part in the same plane with the fixing arm, the two ends of described commentaries on classics pressing plate are provided with end axle, and described end axle is installed between second sidewall of the fixing arm of grabbing plate and notched bottoms.

7. electric connector, the commentaries on classics pressing plate that comprises insulating body, is immobilizated in the terminal on the insulating body and is installed on the insulating body and rotates with respect to insulating body; Described insulating body one side is provided with second sidewall that receiving space, opposite side are provided with recess and are arranged at this recess downside; Described terminal is provided with fulcrum, connect first support arm of this fulcrum one end and connect second support arm of the fulcrum other end, and first support arm comprises and protrudes into the contact arm in the receiving space and be arranged at abutment arms in the recess; Described commentaries on classics pressing plate is arranged in this recess and is provided with the conduit that correspondence is accommodated abutment arms; It is characterized in that: described second sidewall is provided with the stopper that protrudes out in recess, change pressing plate and be provided with the depression of accommodating this stopper and be connected to projection on this stopper, and this projection is supported on second sidewall.

8. electric connector as claimed in claim 7 is characterized in that: the two ends of described commentaries on classics pressing plate are provided with the end axle that directly is connected on second sidewall.

9. electric connector as claimed in claim 8 is characterized in that: described electric connector is provided with the plate of grabbing that is installed on the insulating body, and the described plate of grabbing is connected on the end axle.

10. electric connector as claimed in claim 9 is characterized in that: described terminal comprises the first terminal and second terminal, and described the first terminal is provided with first weld part that is positioned at notched side, and described second terminal is provided with second weld part that is positioned at the receiving space side.

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