CN103872490B

CN103872490B - Electric connector

Info

Publication number: CN103872490B
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: 2017-10-03
Anticipated expiration: 2033-03-22
Also published as: CN103872490A

Abstract

A kind of electric connector, including insulating body, it is installed on some conducting terminals in insulating body, it is rotatably installed on the pressure-producing part of insulating body front end, and it is installed on the fixture of insulating body both sides, the insulating body includes base portion, it is formed at the both sides of base portion both sides, being opened in is used for the terminal groove for housing conducting terminal in insulating body, and it is opened in the docking port of insulating body front end, the pressure-producing part includes operating portion, and afterbody, the afterbody is provided with depressed part, the conducting terminal includes holding parts, and the contact arm formed successively with respect to extension from bottom to top from holding parts one end, elastic arm, and pressing arm, when the pressure-producing part is fastened, the depressed part end of the afterbody enters between the elastic arm and pressing arm, the elastic arm is set to produce downward elastic deformation to clamp flexible PCB, the distance between the contact arm and described pressing arm keep constant, the electric connector of the present invention is electrically connected with reliable and stable.

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 (PRC) Application No. 02107917.X patent of invention discloses a kind of flexible PCB with being electrically connected Device is connect, the electric connector includes insulating body, some conducting terminals being installed in insulating body and can be pivotably mounted Pressure-producing part on the insulating body；The conducting terminal includes contact arm and the grasping being oppositely arranged in the vertical direction Arm, the flexible PCB that the contact arm is used in electrical contact be contained in.The catch amis is used to grasp the pressure-producing part, When the pressure-producing part is in closure pressure holding flexible PCB, the catch amis is in the state of elastic deformation, i.e., described to grab The normality of gripping arm is elastic deformation, causes the catch amis of conducting terminal easily to produce metal fatigue, it is impossible to elastic recovery, enters And the electric connection of flexible PCB and contact arm is influenceed, easily cause loose contact.

Brief description of the drawings

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

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

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 side view of the conducting terminal of electric connector of the present invention.

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

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

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

The content of the invention

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

Therefore, the invention provides a kind of electric connector, including insulating body, some conductions for being installed in insulating body Terminal, the pressure-producing part for being rotatably installed on insulating body front end and the fixture for being installed on insulating body both sides, it is described exhausted Edge body includes base portion, is formed at the both sides of base portion both sides, is opened in the interior terminal for being used to house conducting terminal of insulating body Groove and the docking port for being opened in insulating body front end, both sides relative inner offer inserting hole, the roof both sides of the base portion Extension forms protuberance above to inserting hole；The pressure-producing part includes operating portion and is formed at the afterbody of operating portion rear end, institute State two sides of tail extension and be formed with rotating shaft, the afterbody forms depressed part between being located at two rotating shafts, and the fixture includes fixing Portion, self-fixed department rear end extend the insertion section in the insertion inserting hole to be formed, and self-fixed department upwardly extends to be formed spacing Portion, is formed with stage portion between the limiting section and insertion section, the stage portion of the fixture, limiting section and insulating body it is prominent Go out that portion is spacing by the rotating shaft of the pressure-producing part, the conducting terminal includes holding parts, extends the weldering to be formed from holding parts one end Socket part and contact arm, elastic arm and the pressing arm formed successively with respect to extension from bottom to top from the holding parts other end, it is described to add When pressing component snaps, the depressed part end of the afterbody enters between the elastic arm and pressing arm, produces the elastic arm Downward elastic deformation is to clamp flexible PCB, and the distance between the contact arm and described pressing arm keep constant.

Relative to prior art, the conducting terminal of electric connector of the present invention can by being set between pressing arm and contact arm Elastic deformation makes the distance between pressing arm and contact arm be in invariant state to clamp the elastic arm of flexible PCB, and soft Property circuit board chucking power provided by the elastic arm between pressing arm and contact arm, even if elastic arm produce can not reply Elastic deformation or elastic force weaken, do not result in yet loose contact phenomenon generation.

Embodiment

Refer to shown in Fig. 1 to Fig. 3, electric connector of the present invention includes insulating body 10, is installed in insulating body 10 Some conducting terminals 20, the pressure-producing part 30 for being rotatably installed on the front end of insulating body 10 and it is installed on 10 liang of insulating body The fixture 40 of side.

The insulating body 10 includes base portion 11, is integrally formed at the sidepiece 12 of the both sides of base portion 11, is opened in before base portion 11 The docking port 13 at end and the terminal groove 14 for being used to house the conducting terminal 20 for extending formation forward from the rear end of base portion 11.Institute State the relative inner of both sides 12 and offer inserting hole 15, spacing block 16, institute are formed between the inserting hole 15 and docking port 13 The front end for stating spacing block 16 offers neck 161.The lateral top of inserting hole 15 extension of roof two of the base portion 11 is formed with prominent Go out portion 121.

Refer to shown in Fig. 3, Fig. 4, the pressure-producing part 30 includes operating portion 31 and is formed at the tail of the one end of operating portion 31 Portion 32.The both sides of afterbody 32 extension is formed with rotating shaft 33, and the afterbody 32 forms depressed part 36, institute between being located at two rotating shafts 33 State the front end both sides of operating portion 31 and be downwardly extending the snap fit 35 being snapped in the neck 161 of the spacing block 16.

The fixture 40 includes fixed part 41, the rear end of self-fixed department 41 and extended in the insertion inserting hole 15 to be formed Insertion section 42, the front end of self-fixed department 41 extend the weld part 45 to be formed and self-fixed department 41 upwardly extends the limiting section 43 to be formed, Stage portion 44 is formed between the limiting section 43 and insertion section 42.Refer to shown in Fig. 8, the stage portion of the fixture 40 44th, the protuberance 121 of limiting section 43 and insulating body 10 is spacing by the rotating shaft 33 of the pressure-producing part 30.

Refer to shown in Fig. 3 to Fig. 7, the conducting terminal 20 includes holding parts 21, extends to be formed from the rear end of holding parts 21 Leg 25 and extend in parallel the contact arm 22 to be formed, elastic arm 23 and pressing arm successively from bottom to top from the front end of holding parts 21 24.The distance between the contact arm 22 and elastic arm 23 are more than the distance between elastic arm 23 and pressing arm 24, the contact Flexible PCB 50 is clamped between arm 22 and elastic arm 23.The conducting terminal 20 is installed into the insulating body 10 from rear end Terminal groove 14 in, the contact arm 22 is contacted with the bottom wall of the terminal groove 14 of insulating body 10, the pressing arm 24 be located at end The roof lower section of pilot trench 14 simultaneously contacts roof.

Emphasis is referred to shown in Fig. 6, Fig. 7, under the open mode of pressure-producing part 30, the pressing arm 24 of the conducting terminal 20 Terminal part be contained in the depressed part 36 of the pressure-producing part 30；When the flexible PCB 50 is contained in the docking port 13 In in when, close the pressure-producing part 30, the end of depressed part 36 of the afterbody 32 of the pressure-producing part 30 enters the conducting end Between the pressing arm 24 and elastic arm 23 of son 20, thus, the elastic arm 23 deformation downwards is forced with flexible described in stable holding Circuit board 50；And the compacting that the end of the depressed part 36 of the pressure-producing part 30 will be entered below the roof of insulating body 10 The lower section of arm 24, i.e., part is heavy in vertical direction with the roof of insulating body 10 for the end of depressed part 36 of described pressure-producing part 30 Close, thus, the pressing arm 24 will not produce elastic deformation, be that the distance between pressing arm 24 and contact arm 22 keep fixing not Become.

Refer to shown in Fig. 1 to Fig. 8, the installation method of electric connector of the present invention is introduced, first, by the pressure-producing part 30 Load the top of docking port 13 of the insulating body 10, now, the 30 both sides rotating shaft of pressure-producing part 33 in the way of opening In the lower section of protuberance 121 of the insulating body 10；The conducting terminal 20 is then loaded into end from the rear end of insulating body 10 In pilot trench 14, now, the end of the pressing arm 24 of the conducting terminal 20 is contained in the depressed part 36 of the pressure-producing part 30； Finally, the fixture 40 is inserted in the inserting hole 15 of the both sides of insulating body 10, now, the pressure-producing part 30 is lifted Rise, the protuberance 121 of the stage portion 44 of the fixture 40 of rotating shaft 33 of pressure-producing part 30, limiting section 43 and insulating body 10 is limited Position.

Compared to prior art, the conducting terminal 20 of electric connector of the present invention is by between pressing arm 24 and contact arm 22 Elastically deformable is set to clamp the elastic arm 23 of flexible PCB 50, the distance between pressing arm 24 and contact arm 22 is 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, Even if elastic arm 23 produces the elastic deformation that can not be replied or elastic force weakens, the generation of loose contact phenomenon is not resulted in yet.

Claims

1. a kind of electric connector, including insulating body, be installed in insulating body some conducting terminals, be rotatably installed on The pressure-producing part of insulating body front end and the fixture for being installed on insulating body both sides, the insulating body include base portion, formed Both sides in base portion both sides, it is opened in insulating body and is used to house the terminal groove of conducting terminal and is opened in insulating body The docking port of front end, both sides relative inner offers extension shape above inserting hole, the lateral inserting hole of roof two of the base portion Into protuberance；The pressure-producing part includes operating portion and is formed at the afterbody of operating portion rear end, and the two sides of tail extends to be formed There are rotating shaft, the afterbody to form depressed part between being located at two rotating shafts, the fixture includes fixed part, self-fixed department rear end and extended Insertion section in the insertion inserting hole of formation, self-fixed department upwardly extends the limiting section to be formed, the limiting section and insertion It is formed with stage portion between portion, the protuberance of the stage portion of the fixture, limiting section and insulating body is by the pressure-producing part Rotating shaft it is spacing, it is characterised in that：The conducting terminal includes holding parts, extend the weld part to be formed from holding parts one end and Contact arm, elastic arm and the pressing arm formed successively with respect to extension from bottom to top from the holding parts other end, the pressure-producing part button During conjunction, the depressed part end of the afterbody enters between the elastic arm and pressing arm, the elastic arm is produced downward bullet Property deformation to clamp flexible PCB, the distance between the contact arm and described pressing arm keep constant.

2. electric connector as claimed in claim 1, it is characterised in that：The pressing arm of the conducting terminal is located at the insulation originally Below the roof of the terminal groove of body, the roof of the end of the depressed part of the pressure-producing part and the terminal groove of insulating body is vertical Partially overlapped on direction so that pressing arm does not produce elastic deformation.

3. electric connector as claimed in claim 2, it is characterised in that：The contact arm of the conducting terminal and the insulating body Terminal groove bottom wall contact, the almost parallel extension of contact arm, elastic arm and pressing arm of the conducting terminal.

4. electric connector as claimed in claim 1, it is characterised in that：It is provided with and isolates between the inserting hole and the docking port Block.

5. electric connector as claimed in claim 1, it is characterised in that：The rotating shaft of the pressure-producing part is located at the step of fixture Protuberance lower section above portion with insulating body is to limit the position of rotating shaft above-below direction, and the rotating shaft of the pressure-producing part is also consolidated The limiting section for determining part limits the position of fore-and-aft direction.

6. electric connector as claimed in claim 5, it is characterised in that：The electric connector is first to install the pressure-producing part Insert in the terminal groove of the insulating body, finally will after on the docking port of the insulating body, then by the conducting terminal The fixture inserts the position that the pressure-producing part is fixed in the inserting hole.

7. electric connector as described in claim 4, it is characterised in that：The front end of the spacing block is provided with neck, described to add The snap fit being snapped in the neck that the operating portion ora terminalis of splenium part is downwardly extending.

8. making method for electric connector as described in claim 7, it is characterised in that：The pressing arm and bullet of the conducting terminal Property the distance between arm be less than the distance between the elastic arm and contact arm.