KR101598943B1 - Flexible flat cable connector - Google Patents

Abstract

The FFC connector according to the present invention is characterized in that a terminal terminal is provided so that the first connection end of the first cable is electrically connected to the rear end thereof and the connection portion is formed at each of the left and right ends, And a female connection portion formed at each of the left and right ends so as to be engaged with the engagement protrusion when the male connection portion and the front end are mutually coupled to connect the second connection terminal and the terminal terminal.

Description

FFC connector {FLEXIBLE FLAT CABLE CONNECTOR}

The present invention relates to an FFC connector, and more particularly, to an FFC connector capable of electrically connecting each FFC cable with each other conveniently.

2. Description of the Related Art [0002] In general, electronic devices such as notebook computers are miniaturized in size and thinner in thickness, so that the sizes of various electronic components assembled therein are also downsized.

As a result, FFC connectors (Flexible Flat Cables) for electrically connecting the printed circuit board and the electronic components are also becoming smaller.

The FFC cable is electrically connected by the FFC connector while being connected to the printed circuit board and the electronic components, respectively.

However, since most of the conventional FFC connectors are mounted on a printed circuit board by soldering or the like, they are limited to connecting the FFC cable to the printed circuit board. Since the connection state between the FFC cable and the FFC connector is fixed, It has been difficult to use it as a general purpose.

A prior art related to the present invention is Korean Patent Laid-Open No. 10-2010-0138696 (December 31, 2010), which discloses a relay connector.

It is an object of the present invention to provide an FFC connector capable of easily and quickly connecting cables by coupling the two cables to the housings through the opening and closing of the actuator and the insertion and removal of the locking holder, .

Another object of the present invention is to provide an FFC connector capable of maintaining a rigid coupling state without a separate fastening member since the housing is coupled with the male-female coupling structure.

The FFC connector according to the present invention is characterized in that a terminal terminal is provided so that the first connection end of the first cable is electrically connected to the rear end thereof and the connection portion is formed at each of the left and right ends, And a female connection portion formed at each of the left and right ends so as to be engaged with the engagement protrusion when the male connection portion and the front end are mutually coupled to connect the second connection terminal and the terminal terminal .

The male connector includes a first housing having the latching protrusions formed at left and right ends thereof and having the terminal terminals arranged along the left and right directions, and a lower housing rotatably mounted on the upper surface of the first housing, And an actuator for pressing and supporting the first cable at an upper portion thereof when the cable is pivoted rearward.

A first insertion groove is formed in a rear end of the first housing for receiving a connection end of the first cable. The connection end of the terminal is exposed in the first insertion groove, And is connected to the lower connecting end of the first cable.

In addition, concave cut ends are formed at the left and right ends of the first cable, and connection protrusions inserted in the right and left of the first insertion groove in correspondence with the cut ends, respectively, Do.

In addition, it is preferable that guide projections for guiding downward the upper ends of the first cables are formed to protrude from the left and right wall surfaces of the first insertion grooves.

In addition, it is preferable that the left and right ends of the actuator are respectively formed with projecting rotational shafts coupled to the left and right wall surfaces of the first insertion groove so as to be rotatable back and forth.

In addition, a plurality of terminal grooves may be formed at the lower end of the actuator along the left and right direction so that the connection end of the terminal is exposed to the first insertion groove and supported at the upper end of the rotation shaft.

Also, the female connection portion may include a second insertion groove formed in a front and rear direction so that the second cable can be coupled thereto, a locking hole formed at a left and right end thereof, and a second housing, And a locking holder coupled to an upper surface or a lower surface of the second housing and having a locking protrusion protruded from the locking hole and penetrating through the locking hole and the second cable.

The locking holes are formed in the left and right directions of the second housing, respectively, and a pair of auxiliary holes spaced apart from each other in the front-rear direction are formed on the basis of the main hole, And main protrusions respectively formed in the left and right directions of the holder and correspondingly inserted into the main holes, and auxiliary protrusions inserted into the auxiliary holes, respectively.

Further, the front ends of the latching parts may be opened by the elastic force after being opened in mutually corresponding directions, and the latching end may protrude in a direction facing each other to be inserted into the latching jaw.

In addition, it is preferable that the front surfaces of the latching ends have a smaller diameter toward the front, and inclined surfaces formed to be inclined in the directions opposite to each other.

According to the present invention, since both sides of the cable are coupled to the housings through the opening / closing of the actuator and the locking / unlocking of the locking holder, the cables can be connected easily and quickly, and the cable and the cable are not fixed.

Further, since the housing is coupled with the male-female coupling structure, the present invention has the effect of maintaining a firm coupling state without a separate coupling member.

1 is an exploded perspective view showing an FFC connector according to the present invention.
2 is a perspective view illustrating the male connector in detail in the FFC connector according to the present invention.
3 is a perspective view illustrating a state in which the first cable is coupled to the female connection portion of the FFC connector according to the present invention and the second cable is coupled to the male connection portion.
FIG. 4 is a plan view showing a state in which the male connecting portion and the female connecting portion of the FFC connector according to the present invention are combined.
5 is a side cross-sectional view illustrating a state in which the male connecting portion and the female connecting portion of the FFC connector according to the present invention are coupled.
6 is a bottom view for showing the female connector of the FFC connector according to the present invention in detail.
FIG. 7 is an enlarged cross-sectional view illustrating a coupling structure of a second housing and a locking holder of the FFC connector according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving it will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings.

The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

FIG. 1 is an exploded perspective view showing an FFC connector according to the present invention, and FIG. 2 is a perspective view showing a male connector in detail in an FFC connector according to the present invention.

3 is a perspective view illustrating a state in which the first cable is coupled to the female connector of the FFC connector according to the present invention and the second cable is coupled to the male connector, And is a plan view showing a state in which the connection portion and the female connection portion are combined.

5 is a side cross-sectional view illustrating a state in which the male connecting portion and the female connecting portion of the FFC connector according to the present invention are coupled.

1 to 5, an FFC connector according to the present invention includes a male connector 100 and a female connector 200.

First, the male connector 100 connects a first flexible flat cable 10 to one end, and the first cable 10 is a thin and flat flexible cable.

The male connection part 100 is provided with a terminal terminal 130 therein so that the first connection end 11 of the first flexible cable 10 is electrically connected to the rear end.

The water connection unit 100 may be provided with a first housing 110 and an actuator 120.

The first housing 110 is formed at its left and right ends with hooks 111 so that the hooks 212 of the second housing 210 to be described later can be correspondingly engaged.

The latching protrusion 111 may be formed as a protrusion or a groove so that the latching end 212a of the latching protrusion 212 to be described later can be latched.

In the first housing 110, the terminal terminals 130 are arranged at predetermined intervals along the left and right direction as shown in FIG.

The front end of the first housing 110 is formed with an insertion hole through which the front end of the second housing 210, which will be described later, can be inserted correspondingly in male and female.

The terminal terminals 130 are connected at one end to the first connecting end 11 of the first cable 10 and at the opposite end to the inside of the insertion hole of the first housing 110, 20 connected to the second connection terminal 21 of the second switch circuit.

Here, the terminal terminals 130 are formed of a conductive metal, and the number of the terminal terminals 130 can be variously changed according to the shapes of the first connection terminal 11 and the second connection terminal 21 Do.

The first insertion groove 112 may be recessed at the rear end of the first housing 110 so that the first connection end 11 of the first cable 10 can be seated.

The first insertion groove 112 may be recessed in the upper surface of the first housing 110. The width of the first insertion groove 112 may be a width of the first connection end 11, Can be formed in the same manner.

3, one end of the terminal terminals 130 may be exposed at the upper portion of the first insertion groove 112 to be electrically connected to the first connection end 11 of the first cable 10 .

A connecting protrusion 113 for engaging and disengaging the first cable 10 may be formed on the left and right sides of the first insertion groove 112.

To this end, a cut end 12 through which the connection protrusion 113 can be inserted may be formed at the left and right ends of the first cable 10.

The connection protrusion 113 may have a shape corresponding to the cut end 12 of the first cable 10.

An inclined surface may be formed on the upper surface of the connection protrusion 113 so as to be inclined upwards in the inserting direction of the first cable 10.

The inclined surface of the connection protrusion 113 serves to guide the first cable 10 into the first insertion groove 112 when the first cable 10 is inserted into the first insertion groove 112 without being interrupted.

2, the connection protrusion 113 is inserted in a shape corresponding to the cut end 22 of the first cable 10 so that the first connection end 11 of the first cable 10 is inserted into the cut- In the first insertion groove (112).

At the same time, a guide protrusion 114 is formed on the left and right of the first insertion groove 112 to be positioned higher than the connection protrusion 113 and to guide downward the upper end of the first cable 10 .

The guide protrusion 114 serves to press the upper surface of the first connecting end 11 inserted along the inclined surface of the connecting protrusion 113 and press it on the bottom surface of the first insertion groove 112.

For this, an inclined surface inclined downward in the inserting direction may be formed on the bottom surface of the inserting side of the guide protrusion 114.

That is, the first connecting end 11 inserted in a state of being closely contacted with the upper inclined surface of the connection protrusion 113 is pressed downward by the lower inclined surface of the guide protrusion 114, and is seated in the first insertion groove 112.

The connection protrusion 113 is inserted into the cut end 22 of the first cable 10 as soon as the first connection end 11 is in close contact with the upper surface of the first insertion groove 112.

The actuator 120 is installed on the upper surface of the first housing 110 such that the lower end of the actuator 120 is rotatable about the lower surface of the first housing 110. When the first connector 110 is horizontally rotated to the rear of the first housing 110, (11) at the upper portion.

To this end, the left and right ends of the actuator 120 may be respectively formed with a rotation axis which is rotatably coupled to the left and right wall surfaces of the first insertion groove 112 so as to be rotatable back and forth.

Here, the terminal groove 121 is formed in the lower end of the actuator 120 so that one end of the terminal terminal 130 is exposed to the first insertion groove 112 so as to be supported at the upper end of the rotation shaft, .

The female connector 200 is for connecting a second flexible cable 20 to one end, and the second cable 20 is a thin and flat flexible cable.

For this, the female connection part 200 may include a second housing 210 and a locking holder 220.

A second insertion groove 211 is formed in the second housing 210 so that the second connection end 21 of the second cable 20 is inserted rearward and exposed frontward.

At the right and left ends of the second housing 210, latches 212 are formed at left and right ends so as to be engaged with the latching protrusion 111 described above.

The latching parts 212 are for holding the latching protrusions 111 formed at the left and right ends of the first housing 110 and have latching ends 212a in the directions facing each other to be inserted into the latching protrusions 111, Respectively.

The front ends of the latching ends 212a may be formed in a direction in which slopes each having a smaller diameter toward the front face are opposed to each other.

The hooking openings 212 are connected to the left and right ends of the second housing 210 by a predetermined length, and the front end and the rear end of the hooking openings 212 may be spaced apart from the left and right ends of the second housing 210 by a predetermined distance .

That is, the user can open or close the striking ends 212a facing each other by pressing or depressing the rear end of the hooking openings 212.

For example, when the front end of the second housing 210 is inserted into the insertion hole of the first housing 110, the front ends of the stoppers 212 open in mutually corresponding directions, 1 Holds the left and right ends of the housing 110.

At this time, the latching ends 212a can be inserted into the latching jaws 111 without causing the latching with the front end of the first housing 110 by the inclined surfaces.

At the same time, one connection end of the terminal terminal 130 is electrically connected to the second connection end 21 of the second cable 20.

In this state, since the first connecting end 11 of the first cable 10 is electrically connected to the second connecting end 21 of the second cable 20 by the terminal terminals 130, The electronic device can be electrically connected by the cable 10 and the second cable 20. [

On both sides of the second housing 210, locking holes for coupling the locking holder 220, which will be described later, as shown in FIGS.

The locking hole is formed by a main hole 213 formed in the left and right direction of the second housing 210 and a pair of auxiliary holes 214 spaced apart from each other in the forward and backward directions with respect to the main hole 213 .

The main hole 213 and the protection hole 214 are for coupling the main protrusion 221 and the auxiliary protrusion 222 of the locking holder 220, which will be described below.

In the main hole 213, a latching end of a main protrusion 221 to be described later is hooked, and a step may be formed so as not to be separated in a direction opposite to the insertion direction.

The locking holder 220 has a function to couple and detach the second connecting end 21 of the second cable 20 to the second insertion groove 211 of the second housing 210 as shown in Fig.

Here, although the locking holder 220 is shown as a rectangular shape, its shape can be variously applied.

The locking holder 220 corresponds to the upper or lower surface of the second housing 210. A locking hole main hole 213 and auxiliary holes 214 are formed on the upper surface or the lower surface of the locking holder 220, A locking protrusion for allowing the second cable 20 to penetrate therethrough is protruded.

The locking protrusion includes a main protrusion 221 formed in the left and right direction of the locking holder 220 and corresponding to the main hole 213 and an auxiliary protrusion 222 inserted into the auxiliary hole 214, .

At the insertion end of the main protrusion 221, a latching end for latching the step of the main hole 213 may be formed laterally.

Here, an inclined surface may be formed at the latching end of the main protrusion 221 for ease of insertion.

That is, when the main protrusion 221 is inserted into the main hole 213, the latching end of the main protrusion 221 is engaged with the step of the main hole 213.

At the same time, since the auxiliary protrusions 222 are inserted into the auxiliary holes 214, the locking holder 220 can be fixedly coupled to the upper surface or the lower surface of the second housing 200.

Since the auxiliary protrusions 222 are inserted in a shape corresponding to the cut end 22 of the second cable 20, the second connecting end 21 of the second cable 20 is inserted into the second insertion groove 211, respectively.

Thus, the first cable 10 and the second cable 20 can be coupled and separated using the actuator 120 and the locking holder 220, thereby facilitating cable connection and disconnection.

As a result, according to the present invention, the first cable 10 and the second cable 20 are connected to the first housing 110 and the second housing 210 through the opening and closing of the actuator 120 and the insertion and removal of the locking holder 220, The first cable 10 and the second cable 20 can be easily and quickly connected to each other and the connection state of the first cable 10 and the second cable 20 is not fixed. It is possible.

In addition, since the first housing 110 and the second housing 210 are coupled to each other in a male-female coupling structure, it is possible to maintain a rigid coupling state without a separate coupling member.

Although specific embodiments of the FFC connector of the present invention have been described so far, it is apparent that various modifications may be made without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be construed as being limited to the embodiments described, but should be determined by the scope of claims of the patent as well as the claims of the patent registration described later.

That is, it should be understood that the above-described embodiments are illustrative and non-restrictive in all aspects and that the scope of the present invention is defined by the appended claims rather than the detailed description, Ranges and equivalents thereof are to be construed as being included within the scope of the present invention.

10: first cable 11: first connection terminal
12: incision end 20: second cable
21: second connecting end 22: incision end
100: male connector 110: first housing
111: engaging jaw 112: first insertion groove
113: connection projection 114: guide projection
120: actuator 121: terminal groove
130: terminal terminal 200: female connector
210: second housing 211: second insertion groove
212: stopper 212a: stopper
213: main hole 214: auxiliary hole
220: locking holder 221: main projection
222: auxiliary projection

Claims (11)

A first connection end of the first cable is electrically connected to a rear end of the first cable and a terminal terminal is provided so that the first connection end of the first cable is electrically connected to the rear end of the first cable, And a female connection part formed at each of the left and right ends so as to be engaged with the engagement protrusion when the connection part and the front end are mutually coupled to connect the second connection terminal and the terminal terminal,
The female connection portion includes a second housing having a second insertion groove formed in a front and rear direction so that the second cable can be coupled thereto, a locking hole formed at each of left and right ends thereof, And a locking holder coupled to an upper surface or a lower surface of the second housing and having a locking protrusion protruded to be inserted through the locking hole and the second cable. The method according to claim 1,
Wherein the male-
A first housing in which the terminal terminals are arranged along the left and right directions,
And an actuator rotatably mounted on the upper surface of the first housing so as to be rotatable in the forward and backward directions, and presses and supports the first cable at an upper portion thereof when rotated backward. The method of claim 2,
At the rear end of the first housing,
A first insertion groove into which a connection end of the first cable is seated is formed,
In the first insertion groove,
And the connection end of the terminal is exposed to the first insertion groove and connected to the lower connection end of the first cable. The method of claim 3,
At the left and right ends of the first cable,
Concave cutting edges are respectively formed,
In the right and left of the first insertion groove,
And a connection protrusion inserted in correspondence with the incision end and adapted to engage and disengage the first cable. The method of claim 4,
On the left and right wall surfaces of the first insertion groove,
And a guide protrusion protruding from the upper surface of the first cable so as to guide the lower portion of the first cable downward. The method of claim 3,
At the left and right ends of the actuator,
And a rotation axis that is rotatably coupled to the left and right wall surfaces of the first insertion groove so as to be rotatable forward and backward is formed. The method of claim 6,
At the lower end of the actuator,
Wherein a plurality of terminal grooves are formed along the left and right direction so that a connection end of the terminal terminal is exposed to the first insertion groove and can be supported at an upper end of the rotation shaft. delete The method according to claim 1,
The locking hole
A main hole formed in the left and right direction of the second housing and a pair of auxiliary holes spaced apart from each other in the front and rear direction with respect to the main hole,
The locking protrusion
A main protrusion formed respectively in the left and right direction of the locking holder and corresponding to the main hole, and auxiliary protrusions inserted into the auxiliary holes, respectively. The method according to claim 1,
The front ends of the stoppers
Wherein the engaging protrusions are protruded in a direction facing each other to be inserted into the engaging jaws. The method of claim 10,
The front surfaces of the engaging steps
Wherein a diameter of the FFC connector is gradually reduced toward the front side, and inclined surfaces formed to be inclined in directions opposite to each other are respectively formed.

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