KR100605566B1 - Housing for flexible cable connector - Google Patents

Abstract

An object of the present invention is to provide a housing for a flexible cable connector that can stably install an even terminal and an odd terminal for rotatably supporting an actuator, and can be firmly connected to a flexible cable and each terminal.

To this end, the housing for the flexible cable connector according to the present invention has a seating slot on which the FPC / FFC is seated on the front side, and a plurality of first and second terminal insertion parts on which the even terminal and the odd terminal are inserted and fixed on the rear side. And a seating arm extending on both sides of the housing body, and a seating arm on which both sides of the rear end of the actuator are rotatably seated.

Seating slot, housing body, seating arm

Description

Housing for flexibility cable connector

1 is a perspective view showing a flexible cable connector provided with a housing according to an embodiment of the present invention.

FIG. 2 is a perspective view of the flexible cable connector with the actuator shown in FIG. 1 open; FIG.

3 is a front view of a flexible cable connector with a housing according to an embodiment of the present invention.

4 is a cross-sectional view taken along line IV-IV of FIG. 3.

5 is a cross-sectional view taken along line V-V of FIG.

6 is a perspective view showing a housing for a flexible cable connector according to an embodiment of the present invention.

7 is a plan view showing a housing for a flexible cable connector according to an embodiment of the present invention.

8 is a sectional view taken along line VII-VII of FIG. 7.

9 is a sectional view taken along line VII-VII of FIG. 7.

10 is a perspective view of an actuator according to the present invention.

11 is a plan view of an actuator according to the present invention.

12 is a cross-sectional view taken along the line II-XIII of FIG. 11.

13 is a sectional view taken along line XIII-XIII of FIG.

14 is a perspective view of an even terminal according to the present invention;

15 is a perspective view of an odd terminal according to the present invention;

16A to 16H are cross-sectional views illustrating a process of assembling a flexible cable connector with a housing according to the present invention.

17A to 17D are cross-sectional views illustrating a process of inserting and fixing an FPC / FFC to a flexible cable connector provided with a housing according to the present invention.

18 is a perspective view of a flexible cable connector according to the prior art.

19 is an exploded perspective view of a flexible cable connector according to the prior art.

<Explanation of symbols for the main parts of the drawings>

10 housing 11 housing body

12: seating slot 13: terminal 1 insertion portion

14: terminal 2 insertion portion 15: seating arm

18: first stopper 19: second stopper

20: actuator 21: seating protrusion

22: first beam insertion groove 23: second beam insertion groove

24: rotating shaft 25: locking jaw

30: Even Terminal 31: Donation

32: Pivot Beam 33: Connection Beam

34; Connecting beam 35; Weld

40: Aether Terminal 41: Donation

42: support beam 43: connection beam

44: weld

The present invention relates to a housing for a flexible cable connector to which the flexible cable is detachably fixed. More specifically, an even terminal and an odd terminal for rotatably supporting the actuator are stably installed and the flexible cable and each terminal are firmly installed. A housing for a flexible cable connector adapted to be connected.

In general, a flexible cable is classified into a flexible printed cable (FPC) type and a flexible flat cable (FFC) type.

Conventionally, flexible cable connectors used to electrically connect an FPC or FFC to a printed circuit board are shown in FIGS. 18 and 19.

As shown in FIGS. 18 and 19, the flexible cable connector according to the related art includes a housing 10 fixed on a printed circuit board and formed of a synthetic resin material, and a housing 10 at the rear of the housing 10. A plurality of terminals 20 inserted into and fixed to the housing 10, an actuator 30 for fixing the FPC / FFC inserted into the front of the housing 10 to the housing 10, and the actuator 30 are pivot grooves of the terminal 20. And a fitting nail 40 which is raised for insertion in 20a.

In this case, a seating slot 12 in which the FPC / FFC is seated and fixed is formed at the front end of the housing 10, and a terminal insertion part 12 in which the terminal 20 is inserted and fixed is formed in the rear end of the housing 10. Fixed arms 13 are formed at both sides of the housing 10, and fixing grooves 13a are formed at both ends of the actuator 30 inside the fixed arms 13.

In addition, both sides of the rear end of the actuator 30 protrude from the fixing protrusion 31 rotatably fixed to the fixing groove 13a formed inside the fixing arm 13, and the actuator 30 is provided at both ends of the front end of the actuator 30. The locking protrusion 32 is formed to protrude from both sides of the front portion of the housing 10 to lock the actuator 30 so as not to rotate when the 30 is positioned in the closed position.

On the other hand, the rear end of the actuator 30 is formed with a rotating shaft 33 is inserted into the pivot groove 20a of the terminal 20 to form the center of rotation of the actuator 30.

In the conventional flexible cable connector configured as described above, the rear end portion is inserted between the fixing arms 13 while the actuator 30 is placed vertically so that the fixing protrusions 31 are fixed grooves 13a of the housing 10. ), And then a plurality of terminals 20 are respectively inserted into the terminal insertion portion 12, and the fitting nails 40 are respectively inserted at both sides of the housing 10 to rotate the shaft 33 of the actuator 30. ) Is inserted into the pivot groove 20a of the terminal 20, thereby completing the assembly.

In order to connect the FPC / FFC on the assembled connector as described above, first, the actuator 30 is rotated and positioned in the open position, and the end of the FPC / FFC is seated in the seating slot 12 of the housing 10. Finally, the actuator 30 is rotated and positioned in the closed position.

However, the conventional flexible cable connector configured as described above is only locked by the locking protrusion protruding on both sides of the front end portion of the actuator while the actuator is located in the closed position, so that the fixing force is weak so that the FPC / FFC is connected to the terminal. If the front end of the actuator is pulled up a little or the shock is applied to the housing in a state, the locking state of the actuator may be easily released.In the end, the fixing force that fixes the FPC / FFC is weakened, so that the connection force between the FPC / FFC and the terminal It may be weak or completely released.

In addition, in order to raise the actuator to insert the rotary shaft of the actuator into the pivot groove of the terminal must be provided with a fitting nail, there is a problem that the cost is additionally required.

And, when the actuator is rotated to the rear to open, there is a fear that the fixing projection of the actuator is easily separated from the fixing groove of the housing.

The present invention has been made to solve the conventional problems as described above, the even terminal and the odd terminal for rotatably supporting the actuator can be stably installed and the flexible cable and each terminal can be firmly connected It is an object to provide a housing for a flexible cable connector.

In order to achieve the above object, the housing for the flexible cable connector according to the present invention has a seating slot on which the FPC / FFC is seated on the front side, and a plurality of first slots to which the even terminal and the odd terminal are inserted and fixed to the rear side. A housing body in which two terminal insertion portions are alternately formed; And a seating arm extending on both sides of the housing main body, the seating arm being rotatably seated on both sides of the rear end of the actuator.

In the above-described configuration, the first terminal insertion portion is formed in the form of open front and rear, and at the rear end of the first terminal insertion portion to restrict the even terminal is not exposed to the rear of the housing body when the even terminal is inserted into the first terminal from the front One stopper is formed.

In the above-described configuration, the second terminal insertion portion is formed to be opened in the front and rear, and inside the second stopper for limiting the excessive insertion of the odd terminal when inserting the odd terminal into the second terminal insertion portion from the rear Is formed.

In the above-described configuration, the bottom surface of the first terminal insertion portion and the upper surface of the second stopper are formed with wedge fixing grooves in which wedges protruding from the even terminal and the odd terminal are inserted and fixed.

Hereinafter, the features and the operation of the above-described configuration through a preferred embodiment of the housing for a flexible cable connector according to the present invention will be described in more detail.

As shown in FIGS. 1 to 5, a flexible cable connector with a housing according to an embodiment of the present invention includes a housing 10 in which the FPC / FFC 100 is seated, and an FPC / An actuator terminal fixed to the FFC 100 and shaped like an insulating synthetic resin material 20 and spaced apart from the housing 10 to rotatably fix the actuator 20 (Even Terminal) ( 30) and an odd terminal 40 installed between the even terminal 30 to hold the actuator 20 in an open or closed state.

As shown in Figure 6 to 9, the housing 10 according to an embodiment of the present invention is formed of a synthetic resin material having an insulating, the front side is open to the front and front to the end of the FPC / FFC 100 The housing main body in which the first and second terminal insertion parts 13 and 14 in which the even slot 30 and the odd terminal 40 are respectively inserted and fixed are formed at the rear side, and a seating slot 12 is formed to be detachably seated. And a seating arm 15 extending on both sides of the housing main body 11 so that both rear ends of the actuator 20 are rotatable and detachably seated.

At the bottom of the seating slot 12, as shown in FIGS. 6 and 7, first receiving grooves 16 in which the connecting beam 33 and the connecting beam 34 of the even terminal 30 described later are accommodated are respectively. The first accommodating groove 16 is formed in an upwardly open shape so that the connecting protrusion 33a of the connecting beam 33 can be exposed to the seating slot 12, and the front side thereof is an even terminal to be described later. The welded portion 35 of 30 is exposed downward to be exposed to the lower portion of the housing 10 so as to be welded to the printed circuit board.

In addition, a plurality of second receiving grooves 17 into which the connecting beam 43 of the odd terminal 40 is inserted is formed between the first receiving grooves 16, and the second receiving grooves 17 are connected to the connecting beams ( The connecting protrusion 43a formed at the end of the 43 is formed in an upwardly open shape so as to be exposed to the seating slot 12.

The first terminal insertion part 13 is formed to be open and rearward, and as shown in FIGS. 4 and 8 above the rear end, the even terminal 30 is inserted into the first terminal insertion part 13 from the front. When inserted, the first stopper 18 extends vertically downward, which is inserted more than necessary and is not exposed to the rear of the housing 10.

In addition, a first wedge fixing groove 13a into which the wedge 31a formed on the bottom surface of the base 31 of the even terminal 30 to be described later is inserted is formed at the bottom of the first terminal insertion part 13.

The second terminal inserting portion 14 is formed to be opened in the front and rear, the inside of which the odd terminal 40 is inserted into the second terminal inserting portion 14 from the rear as shown in Figs. The second stopper 19 is formed to restrict the excessive insertion when the second stopper 19 is interposed between the support beam 42 and the connection beam 43 of the aod terminal 40, which will be described later. The insertion of 40 is restricted.

On the upper surface of the second stopper 19, a second wedge fixing groove 19a into which the wedge 42a formed on the bottom of the support beam 42 to be described later is inserted is formed.

As shown in FIGS. 6 and 7, an inner side of each seating arm 15 is formed with actuator seating grooves 15a in which both rear ends of the actuator 20 are rotatable and detachably seated, respectively. Since the actuator seating groove 15a is opened only upward and backward and closed forwardly, the actuator 20 can be prevented from escaping forward. And even if the actuator seating groove 15a is opened to the rear, the actuator 20 is not detached to the rear by the rear side of the housing 10 which protrudes above the seating slot 12.

10 and 11, the above-described actuator 20 is rotatably installed in the seating slot 12 of the housing 10 to detachably attach the FPC / FFC 100 to the seating slot 12. By fixing, the rear end of each of the mounting projections 21 which are rotatably seated on the seating arm 15 of the housing 10 is formed to protrude, the rear end of the pivot beam 32 of the even terminal 30 ) And a plurality of first and second beam insertion grooves 22 and 23 into which the ends of the support beams 42 of the odd terminal 40 are inserted are alternately formed.

At this time, the first beam insertion groove 22 into which the pivot beam 32 end of the even terminal 30 is inserted is inserted into the pivot groove 32a of the pivot beam 32 as shown in FIGS. 11 and 12. The rotary shaft 24 which forms the center of rotation of the actuator 20 extends from both side walls.

The bottom of the second beam insertion groove 23 into which the end of the support beam 42 of the odd terminal 40 is inserted is caught by the end of the support beam 42 when the actuator 20 is in the open state. As long as the actuator 20 does not rotate, a locking step 25 is formed to maintain the open state without rotating the actuator 20.

On the other hand, the rear end of the actuator 20 protrudes rearward from the rotation shaft 24.

As shown in FIG. 14, the above-described even terminal 30 is spaced apart from the housing 10 to rotatably fix the actuator 20 and is electrically connected to the FPC / FFC 100. A base 31 inserted into and fixed to the insertion portion 13, a pivot beam 32 extending forward from an upper side of the base 31, and having a pivot groove 32a formed at the bottom of the end portion, and a center side of the base 31; From the connection beam 33 having a connection protrusion 33a extending forward from the front surface and contacting the FPC / FFC 100 on the upper end, and an end of the connection beam 34 extending forward from the lower side of the base 31. It is formed integrally and consists of a welding part 35 welded to a printed circuit board.

At this time, since the wedge 31a is inserted into and fixed to the first wedge fixing groove 13a formed at the bottom of the first terminal insertion part 13, the even terminal 30 is formed on the bottom of the base 31. It is firmly fixed to the terminal insertion portion 13 and does not detach.

And, the connecting beam 33, the connecting beam 34 and the weld 35 is accommodated in the first receiving groove 16, as shown in Figure 4, the connecting projection 33a of the connecting beam 33 is FPC It is exposed to the seating slot 12 to be in contact with the / FFC 100, the lower portion of the welding portion 35 is exposed to the lower portion of the housing 10 is welded to the printed circuit board.

On the other hand, when the actuator 20 is opened or closed, the upward movement is prevented due to the pivot beam 32 of the even terminal 30, and the FPC / FFC 100 is mounted on the seating slot 11 of the housing 10. When the actuator 20 in the seated state is closed as shown in FIG. 17D, the rear end of the actuator 20, which is formed to protrude rearward from the rotary shaft 24, is pressed upward by the connecting protrusion 33a of the even terminal 30. As it is, the actuator 20 remains closed unless a force is applied from the outside.

As shown in FIG. 15, the above-described odd terminal 40 is installed between the even terminals 30 to raise the actuator 20 so as to be rotatably fixed to the even terminal 30, and the actuator 20 is fixed. When it is in the open state, it locks and maintains the open state unless an external force is applied, and is electrically connected to the FPC / FFC 100.

The odd terminal 40 has a base 41 inserted into and fixed to the second terminal inserting portion 14, and extends forward from an upper side of the base 41 so that an external force is applied when the actuator 20 is in an open state. The support beam 42 which maintains an open state and the connection beam 43a which extends forward from the lower side of the base 41 and contacts the FPC / FFC 100 on the upper end of the end beam unless this action | operation is not performed 43, and a weld 44 that extends rearward from the bottom of the base 41 and is welded to the printed circuit board.

At this time, since the wedge 42a is inserted into and fixed to the second wedge fixing groove 19a formed on the upper surface of the second stopper 19 of the second terminal inserting portion 14 at the bottom of the support beam 42. The odd terminal 40 is firmly fixed to the second terminal insertion portion 14 and is not detached.

In addition, the connecting beam 43 is accommodated in the second receiving groove 17, and the connecting protrusion 43a of the connecting beam 43 is exposed to the seating slot 12 so as to be in contact with the FPC / FFC 100. .

On the other hand, the end of the support beam 42 of the odd terminal 40 is the rotation axis 24 of the actuator 20 when the actuator 20 is in an open state, that is, when it is inclined backward as shown by the dotted line in FIG. By pushing the locking projection 25 of the actuator 20 located further downward, the actuator 20 is not rotated forward unless an external force is applied. In addition, since the end of the support beam 42 of the odd terminal 40 supports the actuator 20 when the actuator 20 is in an open state, the rotation shaft 24 of the actuator 20 is a pivot groove of the even terminal 30. There is no deviation from 32a.

A process of assembling / installing the cable and connecting the flexible cable connector with a housing according to an embodiment of the present invention configured as described above will be described with reference to FIGS. 16A to 17D.

First, before assembling, the flexible cable connector provided with the housing according to the present invention is rotatably installed in the housing 10 and the housing 10 forming a skeleton, and the FPC / FFC 100 is installed in the housing 10. The process of separately molding the actuators 20 fixed to the side wall) and the respective terminals 30 and 40 electrically connected to the FPC / FFC 100 and the actuators 20 fixed and locked are preceded.

As such, when molding of the respective components is completed, when the even terminal 30 is completely inserted into the first terminal inserting portion 13 through the front of the housing 10 as shown in FIGS. 16A and 16B, the even terminal The wedge 31a formed on the bottom surface of the base 31 of the 30 is inserted and fixed in the first wedge fixing groove 13a, thereby completing the installation of the even terminal 30.

When the installation of the even terminal 30 is completed as described above, the actuator 20 is erected vertically as shown in FIGS. 16C and 16D, and the seating protrusion 21 formed at both rear ends thereof is mounted on the actuator of the seating arm 15. Insert into the seating groove (15a), respectively.

Then, fully rotate the actuator 20 forward as shown in FIGS. 16E and 16F, and insert the second terminal 40 through the rear of the housing 10 as shown in FIGS. 16G and 16H. When fully inserted into the portion 14, the actuator 20 is raised by the connecting protrusion 43a of the odd terminal 40, and the rotation shaft 24 of the actuator 20 is the pivot groove 32a of the even terminal 30. ), The assembly of the flexible cable connector according to the invention is completed.

When the assembly of the flexible cable connector is completed as described above, the welding part 35 of the even terminal 30 and the welding part 44 of the odd terminal 40 are respectively welded to the printed circuit board, thereby providing the flexible cable connector according to the present invention. Is installed on the printed circuit board.

Looking at the process of connecting the FPC / FFC 100 to the flexible cable connector of the present invention assembled and installed through the process as described above, first rotate the actuator 20 in the direction of the arrow as shown in Figure 17a When the seating slot 12 is opened, the end of the support beam 42 of the odd terminal 40 pushes the latching jaw 25 of the actuator 20 located below the rotation shaft 24 of the actuator 20 to the front. While supporting, the rotation shaft 24 of the actuator 20 supports the pivot shaft 32a of the even terminal 30 not to be separated. Therefore, the actuator 20 does not rotate in the direction opposite to the arrow unless an external force is applied.

As such, when the seating slot 12 is opened and the end of the FPC / FFC 100 is completely inserted into the seating slot 12 as shown in FIGS. 17B and 17C, the end of the FPC / FFC 100 is terminated by the even terminal 30. ) Is located between the connecting beam 33 and the pivot beam 32, and between the connecting beam 43 and the supporting beam 42 of the odd terminal 40.

As such, when the FPC / FFC 100 is seated in the seating slot 12, the actuator 20 is rotated in the direction of the arrow as shown in FIG. 17D to close the seating slot 12.

At this time, the actuator 20 is rotated in the direction of the arrow to press the upper surface of the FPC / FFC 100, the terminal of the FPC / FFC 100 is connected to each of the even terminal 30 and the odd terminal 40 ( In contact with 33a) 43a, the FPC / FFC 100 is electrically connected to each terminal 30,40.

On the other hand, when the actuator 20 is completely rotated in the direction of the arrow in FIG. 17D, the rear end of the actuator 20 in the form of protruding rearward from the rotation shaft 24 is upward by the connecting protrusion 33a of the even terminal 30. As it is pressurized by the actuator 20 maintains a closed state unless a force acts from the outside.

Thus, since the FPC / FFC 100 is firmly fixed to the seating slot 12, the connection force between the FPC / FFC 100 and each terminal 30, 40 is maintained firmly.

As described above with reference to the accompanying drawings, the housing for a flexible cable connector according to a preferred embodiment of the present invention, the present invention is not limited to the embodiments and drawings described in detail herein, the technical scope of the invention Various modifications can be made within.

According to the housing for flexible cable connector of the present invention as described in detail above, the first and second terminal insertion portion formed in the housing main body, and the even terminal for rotatably supporting the actuator by the first and second stoppers and wedges; Since the Aode terminal is made to be stably fixed, the FPC / FFC can be firmly fixed to the seating slot of the housing main body, and thus the FPC / FFC and each terminal can be stably connected.

Claims (4)

The actuator 20 for detachably fixing the FPC / FFC is rotatably installed, and the plurality of even terminals 30 and the odd terminal 40 connected to the FPC / FFC and rotatably fixing the actuator are installed. In the housing provided in the flexible cable connector for A housing main body 11 in which a seating slot 12 in which the FPC / FFC is seated is formed on the front side, and a plurality of first and second terminal inserts in which the even terminal and the odd terminal are inserted and fixed in the rear side are alternately formed; And It is formed on both sides of the housing body extending to both sides of the rear end of the actuator is rotatably seated, the inner side is opened only upward and rearward and closed in front of the actuator seating groove (15a) to prevent the front departure of the actuator A housing for a flexible cable connector, characterized in that it comprises a seating arm (15) each formed. The method of claim 1, The first terminal inserting portion is formed to be open in the front and rear, the rear end of the first limiting the even terminal is not exposed to the rear of the housing body when the even terminal is inserted into the first terminal from the front Housing for flexible cable connector, characterized in that the stopper (18) is formed. The method according to claim 1 or 2, The second terminal inserting portion is formed to be opened in the front and rear, the inside of the second stopper (19) to limit the excessive insertion of the aode terminal when inserting the odd terminal into the second terminal inserting portion from the rear Housing for a flexible cable connector, characterized in that formed. The method of claim 3, wherein Wedge fixing grooves 13a and 19a into which bottoms of the first terminal insert and upper surfaces of the second stoppers are inserted and fixed to the wedges 31a and 42a protruding from the even terminal and the odd terminal are respectively formed. A flexible cable connector housing.

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