CN103872490A

CN103872490A - Electric connector

Info

Publication number: CN103872490A
Application number: CN201310093746.7A
Authority: CN
Inventors: 张少灿
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2012-12-12
Filing date: 2013-03-22
Publication date: 2014-06-18
Anticipated expiration: 2033-03-22
Also published as: CN103872490B

Abstract

An electric connector comprises an insulation body, a plurality of conductive terminals arranged in the insulation body, a front pressing part rotationally arranged at the front end of the insulation body and fixing members arranged at two sides of the insulation body; the insulation body comprises a base body, two side parts formed at two sides of the base body, a terminal slot formed in the insulation body for containing the conductive terminals and a joint port formed in the front end of the insulation body; the pressing part comprises an operation part and a tail part. The tail part is provided with a concave part; each conductive terminal comprises a fixed holding part as well as a contact arm, an elastic arm and a pressing arm which are sequentially formed by opposite extending from one end of the fixed holding from bottom to top; when the pressing part is buckled, the concave part of the tail part enters between the elastic arms and the pressing arms, so the elastic arms generate downward deformation to clamp a flexible circuit board, the distances between the contact arms and the pressing arms are kept unchanged and the electric connector is stable and reliable in electric connection.

Description

Electric connector

Technical field

The present invention relates to electric connector, espespecially a kind of electric connector for flexible circuit board.

Background technology

People's Republic of China's application number is that the patent of invention of 02107917.X has disclosed a kind of electric connector for flexible circuit board, and described electric connector comprises insulating body, is somely installed on the conducting terminal in insulating body and can be installed on pivotly the pressure-producing part on described insulating body; Described conducting terminal is included in the contact arm and the catch amis that on above-below direction, are oppositely arranged, and described contact arm is for the flexible PCB in electrical contact being contained in.Described catch amis is used for grasping described pressure-producing part, at described pressure-producing part during in closed pressure holding flexible PCB, the state of described catch amis in strain, the normality that is described catch amis is elastic deformation, cause the catch amis of conducting terminal easily to produce metal fatigue, cannot elastic recovery, and then affect the electric connection of flexible PCB and contact arm, easily cause loose contact.

Summary of the invention

The object of the present invention is to provide a kind of some contact performance good, stable electric connector for flexible circuit board.

For this reason, the invention provides a kind of electric connector, comprise insulating body, be installed on the some conducting terminals in insulating body, be rotatably installed on the pressure-producing part of insulating body front end, and being installed on the fixture of insulating body both sides, described insulating body comprises base portion, be formed at the both sides of base portion both sides, be opened in insulating body for accommodating the terminal groove of conducting terminal, and being opened in the docking port of insulating body front end, described pressure-producing part comprises operating portion, and be formed at the afterbody of operating portion rear end, and described afterbody is provided with depressed part, and described conducting terminal comprises holding parts, the weld part extending to form from holding parts one end, and the contact arm relatively extending to form successively from bottom to top from the holding parts other end, elastic arm, and pressing arm, when described pressure-producing part fastens, the depressed part end of described afterbody enters between described elastic arm and pressing arm, makes described elastic arm produce downward elastic deformation with clamping flexible PCB, and the distance between described contact arm and described pressing arm remains unchanged.

With respect to prior art, the conducting terminal of electric connector of the present invention by arranging the elastic arm of elastically deformable with clamping flexible PCB between pressing arm and contact arm, make distance between pressing arm and contact arm in invariant state, and the chucking power of flexible PCB is provided by the elastic arm between pressing arm and contact arm, weaken even if elastic arm produces strain or the elastic force that cannot reply, also can not cause loose contact phenomenon to occur.

Accompanying drawing explanation

Fig. 1 is the pressure-producing part of electric connector of the present invention stereogram in the time of closure state.

Fig. 2 is the pressure-producing part of electric connector of the present invention stereogram in the time of open mode.

Fig. 3 is the three-dimensional exploded view of electric connector of the present invention.

Fig. 4 is the stereogram of the pressure-producing part of electric connector of the present invention.

Fig. 5 is the end view of the conducting terminal of electric connector of the present invention.

Fig. 6 is the cutaway view along the C-C of dotted line shown in Fig. 2.

Fig. 7 is the cutaway view along the A-A of dotted line shown in Fig. 1.

Fig. 8 is the cutaway view along the B-B of dotted line shown in Fig. 1.

Embodiment

Refer to shown in Fig. 1 to Fig. 3, electric connector of the present invention comprises insulating body 10, be installed on some conducting terminals 20 in insulating body 10, be rotatably installed on the pressure-producing part 30 of insulating body 10 front ends and be installed on the fixture 40 of insulating body 10 both sides.

Described insulating body 10 comprises base portion 11, be integrally formed at the sidepiece 12 of base portion 11 both sides, be opened in the docking port 13 of base portion 11 front ends and extend to form forward from base portion 11 rear ends for accommodating the terminal groove 14 of described conducting terminal 20.Described both sides 12 relative inner offer inserting hole 15, between described inserting hole 15 and docking port 13, are formed with spacing block 16, and the front end of described spacing block 16 offers draw-in groove 161.Roof two side direction inserting hole 15 tops of described base portion 11 have extended to form protuberance 121.

Refer to shown in Fig. 3, Fig. 4, described pressure-producing part 30 comprises operating portion 31 and is formed at the afterbody 32 of operating portion 31 one end.Described afterbody 32 both sides have extended to form rotating shaft 33, and described afterbody 32 forms depressed part 36 between two rotating shafts 33, and described operating portion 31 front end both sides extend to form the snap fit 35 in the draw-in groove 161 that is snapped in described spacing block 16 downwards.

Described fixture 40 comprises the limiting section 43 that insertion section 42 in the described inserting hole 15 of insertion that fixed part 41, self-retaining portion 41 rear ends extend to form, weld part 45 that self-retaining portion 41 front ends extend to form and self-retaining portion 41 upwards extend to form, and between described limiting section 43 and insertion section 42, is formed with stage portion 44.Refer to shown in Fig. 8, the protuberance 121 of stage portion 44, limiting section 43 and the insulating body 10 of described fixture 40 is by spacing the rotating shaft of described pressure-producing part 30 33.

Refer to shown in Fig. 3 to Fig. 7, described conducting terminal 20 comprises holding parts 21, the leg 25 extending to form from holding parts 21 rear ends and contact arm 22, elastic arm 23 and the pressing arm 24 that extends in parallel successively from bottom to top formation from holding parts 21 front ends.Distance between described contact arm 22 and elastic arm 23 is greater than the distance between elastic arm 23 and pressing arm 24, and between described contact arm 22 and elastic arm 23, clamping has flexible PCB 50.Described conducting terminal 20 is fit into from rear end in the terminal groove 14 of described insulating body 10, and described contact arm 22 contacts with the diapire of the terminal groove 14 of insulating body 10, and described pressing arm 24 is positioned at the roof below of terminal groove 14 and contacts roof.

Emphasis refers to shown in Fig. 6, Fig. 7, and under pressure-producing part 30 open modes, the terminal part of the pressing arm 24 of described conducting terminal 20 is contained in the depressed part 36 of described pressure-producing part 30; In described flexible PCB 50 is contained in described docking port 13 time, closed described pressure-producing part 30, depressed part 36 ends of the afterbody 32 of described pressure-producing part 30 enter between the pressing arm 24 and elastic arm 23 of described conducting terminal 20, thus, force the distortion downwards of described elastic arm 23 with flexible PCB described in stable holding 50; And the end of the depressed part 36 of described pressure-producing part 30 will enter into the below of the pressing arm 24 of the roof below of insulating body 10, be that depressed part 36 ends of described pressure-producing part 30 and the roof of insulating body 10 partially overlap in vertical direction, thus, described pressing arm 24 can not produce elastic deformation, is that the distance between pressing arm 24 and contact arm 22 keeps immobilizing.

Refer to shown in Fig. 1 to Fig. 8, introduce the installation method of electric connector of the present invention, first, described pressure-producing part 30 is packed into docking port 13 tops of described insulating body 10 in the mode of opening, now, described pressure-producing part 30 both sides rotating shafts 33 are positioned at protuberance 121 belows of described insulating body 10; Subsequently described conducting terminal 20 is packed in terminal groove 14 from the rear end of insulating body 10, now, the end of the pressing arm 24 of described conducting terminal 20 is contained in the depressed part 36 of described pressure-producing part 30; Finally, described fixture 40 is inserted in the inserting hole 15 of described insulating body 10 both sides, now, described pressure-producing part 30 is lifted, and the protuberance 121 of stage portion 44, limiting section 43 and the insulating body 10 of rotating shaft 33 fixtures 40 of pressure-producing part 30 is spacing.

Compared to prior art, the conducting terminal 20 of electric connector of the present invention by arranging the elastic arm 23 of elastically deformable with clamping flexible PCB 50 between pressing arm 24 and contact arm 22, make distance between pressing arm 24 and contact arm 22 in invariant state, and the chucking power of flexible PCB 50 is provided by the elastic arm 23 between pressing arm 24 and contact arm 22, weaken even if elastic arm 23 produces strain or the elastic force that cannot reply, also can not cause loose contact phenomenon to occur.

Claims

1. an electric connector, comprises insulating body, be installed on the some conducting terminals in insulating body, be rotatably installed on the pressure-producing part of insulating body front end, and being installed on the fixture of insulating body both sides, described insulating body comprises base portion, be formed at the both sides of base portion both sides, be opened in insulating body for accommodating the terminal groove of conducting terminal, and being opened in the docking port of insulating body front end, described pressure-producing part comprises operating portion, and being formed at the afterbody of operating portion rear end, described afterbody is provided with depressed part, it is characterized in that: described conducting terminal comprises holding parts, the weld part extending to form from holding parts one end, and the contact arm relatively extending to form successively from bottom to top from the holding parts other end, elastic arm, and pressing arm, when described pressure-producing part fastens, the depressed part end of described afterbody enters between described elastic arm and pressing arm, makes described elastic arm produce downward elastic deformation with clamping flexible PCB, and the distance between described contact arm and described pressing arm remains unchanged.

2. electric connector as claimed in claim 1, it is characterized in that: the pressing arm of described conducting terminal is positioned at the roof below of the terminal groove of described insulating body, and the roof of the end of the depressed part of described pressure-producing part and the terminal groove of insulating body partially overlaps in vertical direction so that pressing arm does not produce elasticity shape.

3. electric connector as claimed in claim 2, is characterized in that: the contact arm of described conducting terminal contacts with the diapire of the terminal groove of described insulating body, and contact arm, elastic arm and the pressing arm almost parallel of described conducting terminal extend.

4. electric connector as claimed in claim 1, is characterized in that: the both sides relative inner of described insulating body is provided with the inserting hole of accommodating described fixture, between described inserting hole and described docking port, is provided with spacing block.

5. electric connector as described in claim 4, it is characterized in that: described fixture comprises the limiting section that insertion section in the described inserting hole of insertion that fixed part, self-retaining portion rear end extend to form, weld part that self-retaining portion front end extends to form and self-retaining portion upwards extend to form, and between described limiting section and described insertion section, is formed with stage portion.

6. electric connector as claimed in claim 5, is characterized in that: the roof of the base portion of described insulating body is extended with forward the protuberance that is positioned at inserting hole top, and the two sides of tail of described pressure-producing part is also provided with the rotating shaft being positioned under described protuberance.

7. electric connector as claimed in claim 6, it is characterized in that: the rotating shaft of described pressure-producing part is positioned at the stage portion top of fixture and the protuberance of the insulating body below position with restriction rotating shaft above-below direction, and the rotating shaft of described pressure-producing part is the position of the limiting section restriction fore-and-aft direction of fixture also.

8. electric connector as claimed in claim 7, it is characterized in that: described electric connector is after first described pressure-producing part being installed on the docking port of described insulating body, again described conducting terminal is inserted in the terminal groove of described insulating body, finally described fixture is inserted to the position of fixing described pressure-producing part in described inserting hole.

9. electric connector as described in claim 4, is characterized in that: the front end of described spacing block is provided with draw-in groove, what the operating portion ora terminalis of described pressure-producing part extended to form is snapped in the snap fit in described draw-in groove downwards.

10. making method for electric connector as described in claim 9, is characterized in that: the distance between pressing arm and the elastic arm of described conducting terminal is less than the distance between described elastic arm and contact arm.