KR20170033521A - Flexible flat cable connector - Google Patents

Flexible flat cable connector Download PDF

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Publication number
KR20170033521A
KR20170033521A KR1020150131335A KR20150131335A KR20170033521A KR 20170033521 A KR20170033521 A KR 20170033521A KR 1020150131335 A KR1020150131335 A KR 1020150131335A KR 20150131335 A KR20150131335 A KR 20150131335A KR 20170033521 A KR20170033521 A KR 20170033521A
Authority
KR
South Korea
Prior art keywords
cable
actuator
terminal
locking protrusion
insertion space
Prior art date
Application number
KR1020150131335A
Other languages
Korean (ko)
Inventor
염향우
Original Assignee
한성전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한성전자 주식회사 filed Critical 한성전자 주식회사
Priority to KR1020150131335A priority Critical patent/KR20170033521A/en
Publication of KR20170033521A publication Critical patent/KR20170033521A/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/771—Details
    • H01R12/774—Retainers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/777—Coupling parts carrying pins, blades or analogous contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The present invention relates to a flexible flat cable (FCC) connector. The FCC connector comprises according to the present invention comprises: a housing having an insertion space opened to the front end for a cable to be coupled and forming a locking protrusion protruding in left and right ends thereof; a terminal which is arranged along a left and right direction of the insertion space, and of which the front end is connected to the cable terminal when coupling the cable to the insertion space; and an actuator of which one end is coupled to the upper part of an entrance side of the insertion space to be rotatable forward and backward, and when rotating forward, left and right hooks are engaged with the locking protrusion while the front end of the cable is positioned for the engagement.

Description

FFC connector {FLEXIBLE FLAT CABLE CONNECTOR}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an FFC connector, and more particularly, to a FFC connector in which a hook is bent at both sides of an actuator to allow the hook to be engaged with the outside of the housing when the actuator is rotated in the locking direction, To the FFC connector.

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.

The conventional FFC connector includes a housing for forming an insertion space, a terminal provided along the insertion space and connected to a terminal of the cable, and a lock for switching the coupling state of the cable at the upper portion of the housing, A possible actuator and the like.

However, in the conventional FFC connector, when an external force such as rocking or vibration is transmitted, there is a fear that the actuator is rotated in the lock releasing direction to be unlocked.

Further, since the connection end of the terminal is connected to the terminal of the cable by one contact, there is a possibility that the contact state is changed due to external factors (vibration, foreign matter, contact force reduction).

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.

The present invention provides an FFC connector capable of preventing a deterioration of a coupling force due to shaking, vibration, or the like by bending a hook on both sides of an actuator so that the hook is positioned outside the housing when the actuator is rotated in the locking direction .

In addition, it is possible to improve the withstand voltage reliability by forming a locking projection between the terminals, and by forming the connecting end of the terminal in two, the contact force is dispersed so as not to be greatly influenced by external factors (vibration, foreign matter, To thereby provide an FFC connector capable of improving the contact with the terminal and the contact pressure.

The FFC connector according to the present invention includes: a housing having an insertion space opened to the front end so as to be coupled with a cable, the housing having locking protrusions protruded at left and right ends thereof; A terminal having a front end connected to the cable terminal when the cable is engaged and a terminal rotatably coupled at one end to the upper side of the inlet side of the insertion space, and a front end of the cable is engaged when the front end is rotated, And an actuator in which a hook is engaged with the locking protrusion.

It is preferable that a locking hole is formed at the front end of the cable so as to penetrate up and down, and a locking protrusion is formed so that the lower surface of the actuator is correspondingly inserted through the upper portion of the locking hole.

In addition, it is preferable that the width of the engaging projection gradually narrows in the projecting direction.

Preferably, the bottom surface of the insertion space is formed with a corresponding insertion groove to insert the lower end of the locking projection.

Preferably, the cable terminals are disposed in a lateral direction with respect to the latching grooves.

In addition, it is preferable that the engaging plate is bent downward at the left and right sides of the housing, and the locking protrusion is protruded from the outer surface of the engaging plate.

In addition, the hook preferably has a coupling end extending from both ends of left and right sides of the actuator to a lower portion, and a locking hole formed horizontally through the coupling end, so that the locking protrusion is inserted correspondingly.

In addition, a knob for releasing the engagement with the locking protrusion is bent outward at an extended end of the coupling end, and the bent portion of the knob is in contact with the upper end of the locking protrusion when the actuator is rotated forward, It is preferable to form a curved line.

Preferably, the locking protrusion has an inclined surface inclined downward to the outside so that the extended end of the coupling end is guided outward.

In addition, a rotary shaft is protruded from the left and right sides of the actuator, and the rotary shaft is elastically supported downward by the front end of the terminal.

In addition, the terminal may be formed to extend forward, an upper support for supporting the upper end of the rotation shaft elastically downwardly, a front support end extending forward from a lower portion of the upper support, A first lower connection port connected to a lower surface of the cable terminal and a second connection terminal extending forward from an upper portion of the first lower connection port and connected to a lower surface of the cable terminal at a rear side of the first connection terminal A second lower connection port, and a third lower connection port extending toward the rear, the third lower conduit being exposed through the exterior of the housing and connected to the electronic device.

According to the present invention, hooks are formed on both sides of an actuator so that the hooks are engaged with the outside of the housing when the actuator is rotated in the locking direction, thereby preventing the coupling force from being lowered due to shaking or vibration.

In addition, it is possible to improve the withstand voltage reliability by forming a partition between the terminals, and by forming the connection ends of the terminals in double, the contact force is dispersed so as not to be greatly influenced by external factors (vibration, foreign matter, So that the contact with the terminal and the contact pressure can be improved.

1 is an exploded perspective view showing an FFC connector according to the present invention.
2 is a perspective view showing a state in which the actuator is rotated in the unlocking direction in the FFC connector according to the present invention.
3 is a perspective view showing a state in which the actuator is rotated in the locking direction in the FFC connector according to the present invention.
4 is a side view showing a state in which the actuator is rotated in the unlocking direction in the FFC connector according to the present invention.
5 is a side sectional view showing a state in which the actuator is rotated in the unlocking direction in the FFC connector according to the present invention.
6 is a side cross-sectional view showing a state in which the actuator is rotated in the locking direction in 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 state in which an actuator is rotated in a lock release direction in an FFC connector according to the present invention.

FIG. 3 is a perspective view illustrating a state in which the actuator is rotated in the locking direction in the FFC connector according to the present invention, and FIG. 4 is a perspective view showing the state in which the actuator is rotated in the lock- Side view.

5 is a side sectional view showing a state in which the actuator is rotated in the unlocking direction in the FFC connector according to the present invention, and FIG. 6 shows a state in which the actuator is rotated in the locking direction in the FFC connector according to the present invention. Fig.

1 to 6, an FFC connector according to the present invention includes a housing 100, a terminal 200, and an actuator 300.

First, the housing 100 is formed with an insertion space 110 opened to the front so that a cable 10 is coupled.

The cable 10 is a flexible flat cable having a thin thickness and is formed with a locking hole 12 formed in the front end of the cable 10 so as to pass through the top and bottom of the cable 10.

Here, the latching holes 12 may be formed along the left and right direction of the cable 10, and the metal terminals 11 may be arranged between the latching recesses 12.

The insertion space 110 has a shape corresponding to the insertion of the cable 10 and a corresponding insertion groove 110 is formed in the bottom surface of the insertion space 110 so as to insert the lower end of the locking protrusion 320, 140 are formed.

At the left and right ends of the housing 100, locking protrusions 120 for locking the hook 310 to be described later are protruded.

The upper end of the locking protrusion 120 may be formed with an inclined surface inclined downwardly outward so that an extended end of the coupling end 311 will be guided outward.

Also, in the insertion space 110, a plurality of terminal mounting grooves for connecting the terminal 200 to be described later may be formed along the lateral direction.

The coupling plate 130 may be bent downward at the left and right sides of the housing 100. A locking protrusion 120 protrudes from the outer surface of the coupling plate 130. [

The upper end of the coupling plate 130 is connected to the left and right sides of the housing 100 and the lower end of the coupling plate 130 is spaced apart from the left and right ends of the housing 100 to form an interval.

Here, a fitting rail 400 made of a metal material may be further coupled between the coupling plate 130 and the left and right ends of the housing 100.

The fitting rail 400 is inserted at an interval between the coupling plate 130 and the left and right ends of the housing 100 in a state where the actuator 300 to be described later is rotated in the locking direction.

Alternatively, the fitting rail 400 may be first inserted into the gap between the coupling plate 130 and the left and right ends of the housing 100, and then the actuator 300, which will be described later, may be pivotally moved in the locking direction.

The upper end of the fitting rail 400 in the inserting direction supports the lower end of the rotating shaft 330 protruding from both sides of the actuator 300 in a state of lifting upward.

Further, the upper end of the fitting rail 400 may be further formed with a step 420 so that the front end of the rotation shaft 300 is latched and does not flow.

When the fitting rail 400 supports the lower end of the rotary shaft 330, the upper end of the rotary shaft 330 closely contacts the lower end of the upper support 210, which will be described later.

An inclined portion 410 may be formed on the upper side of the front side of the fitting rail 400 so as to be inclined downward in the forward direction so as to be lifted while being in contact with the lower end of the rotary shaft 330 when the fitting rail 400 is inserted.

A plurality of terminals 200 are arranged along the left and right direction of the insertion space and the front end of the terminal 200 is connected to the terminal 10 of the cable 10 when the cable 10 is inserted into the insertion space 110 .

Here, the terminals 200 are formed of a conductive metal, and the number of the first terminals 200 can be variously applied as needed.

The terminal 200 may be formed with a top support 210, a first lower connection port 220, a second lower connection port 230 and a third lower connection port 240.

The upper support member 210 is formed to extend forward, and the front support end elastically supports the upper end of the rotation shaft 330, which will be described later, downward.

Here, the upper support 210 horizontally extends forward and elastically supports the upper end of the rotation shaft 330, which will be described later, so that the actuator 300, which will be described later, can be installed so as to be rotatable without being released to the outside.

In addition, a concave seating groove may be formed at the lower end of the upper support 210 to allow the upper end of the rotation shaft 330 to be inserted.

That is, since the upper end of the rotation shaft 330 is inserted into the seat groove, the rotation shaft 330 can be engaged without being moved back and forth.

The first lower connection port 220 extends forward from the lower portion of the upper support 210 and the front first connection terminal 221 is connected to the lower surface of the cable terminal 10.

Here, the first lower connection port 220 extends horizontally forward, and the first lower connection port 220 forms a certain distance from the upper support 210.

The front end of the cable 10 is inserted through the space between the first lower connection port 220 and the upper support 210 and the first connection end 221 is connected to the lower terminal of the cable 10 .

The second lower connection port 230 extends forward from the upper portion of the first lower connection port 220 so that the front second connection end 231 extends from the rear of the first connection end 221 to the cable 10 (Not shown).

Here, the second lower connection port 230 extends horizontally forward, and the second lower connection port 230 forms a certain distance from the upper support 210.

The front end of the cable 10 is inserted through the space between the second lower connection port 230 and the upper support 210 and the second connection end 231 is connected to the lower terminal of the cable 10 .

The second connection terminal 231 is connected to the terminal 11 at the bottom of the cable 10 together with the first connection terminal 221 and is connected to the first connection terminal 221 and the second connection terminal 231 Are arranged in parallel in the front-rear direction.

In this state, since the first connection terminal 221 and the second connection terminal 231 are simultaneously connected in the front-rear direction of the terminal 11, the contact force is dispersed to affect external factors (vibration, foreign matter, It can be prevented from being greatly affected.

The third lower connection port 240 extends rearward and the rear third connection end 241 may be exposed through the exterior of the housing 100 and connected to an electronic device (not shown).

The second lower connection port 240 can be formed in various numbers and shapes, and the extending direction and shape of the third connection end 241 can be variously applied.

The actuator 300 is rotatably installed in the locking and unlocking directions so as to fix the front end of the cable 10 inserted into the insertion space 110.

Here, the actuator 300 is installed on the inlet side of the insertion space 110, and one end of the actuator 300 is rotatably coupled.

In the actuator 300, the front end of the cable 10 is latched forward and the left and right hooks 310 are engaged with the locking protrusion 120 described above.

Conversely, the actuator 120 is separated from the front end of the cable 10 in the pivotal position backward, and is switched to a state in which the cable 10 can be separated.

More specifically, the rotary shaft 330 is protruded from the left and right sides of the actuator 300, and the rotary shaft 330 is elastically supported downward by the upper support 210 of the terminal 200.

The engaging protrusion 320 is protruded from the lower surface of the actuator 300 so as to be inserted through the upper portion of the latching hole 12 described above.

A plurality of the locking protrusions 320 are arranged along the left and right directions of the actuator 300 so as to be inserted into the locking holes 12.

In addition, the locking protrusion 320 may have a shape in which the left and right width gradually narrows toward the protruding direction.

The hook 310 is for engaging with the locking protrusion 120 described above and may be provided with a coupling end 311 and a locking hole 312 formed therein.

The coupling end 311 is bent to extend from both ends of the actuator 300 to the lower side and a locking hole 312 is formed in the coupling end 311.

The locking hole 312 is formed horizontally through the coupling end 311 and is formed so that the locking protrusion 120 can be inserted correspondingly.

For example, when the actuator 300 is rotated in the locking direction, the locking protrusion 120 is inserted through the locking hole 312.

At this time, since the lower end of the lock hole 312 is engaged with the lower end of the lock protrusion 120, the actuator 300 is kept locked by the engagement of the lock protrusion 120 and the coupling end 311.

At the extended end of the coupling end 311, a knob 313 for releasing the engagement with the locking protrusion 120 is bent outward.

Here, the bent portion of the handle 313 may be bent in a curved shape so that the actuator 300 can be opened to the outside while the actuator 300 contacts the upper end of the locking protrusion 120 when the actuator 300 is pivotally moved forward.

As a result, according to the present invention, the hooks 310 are bent at both sides of the actuator 300, and the hooks 310 are hooked to the outside of the housing 100 when the actuators 300 are rotated in the locking direction, It is possible to prevent the coupling force from being lowered due to vibration or vibration.

It is also possible to improve the withstand voltage reliability by forming the locking protrusions 320 between the terminals 11 and to form the first connection terminal 221 and the second connection terminal 231 of the terminal 200 in a double By dispersing the contact force, it is possible to prevent the external force (vibration, foreign matter, contact force decrease) from being greatly affected by the contact force, thereby improving the contact with the terminals 11 and the contact pressure.

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: Cable 11: Terminal
12: latching hole 100: housing
110: insertion space 120: locking projection
130: engaging plate 140: insertion groove
200: Terminal 210: Upper support
220: first lower connection port 221: first connection terminal
230: second lower connection port 231: second connection terminal
240: third lower connection port 241: third connection terminal
300: actuator 310: hook
311: Coupling end 312: Locking hole
313: Handle 320:
330: rotating shaft 400: fitting rail
410: slope part 420: stepped part

Claims (11)

A housing in which an insertion space opened to the front end is formed so that the cable is coupled, and a locking protrusion is protruded at left and right ends;
A terminal disposed along the left and right direction of the insertion space and having a front end connected to the cable terminal when the cable is inserted into the insertion space; And
And an actuator rotatably coupled at one end thereof to the upper side of the entrance side of the insertion space and having the front end of the cable held in the forward rotation position and the left and right hooks being engaged with the locking protrusion Features an FFC connector. The method according to claim 1,
At the front end of the cable,
A locking hole is formed through the upper and lower portions,
On the lower surface of the actuator,
Wherein a locking protrusion is formed to protrude so as to be correspondingly inserted through an upper portion of the latching hole. The method of claim 2,
Preferably,
And the left and right width gradually narrows toward the protruding direction. The method according to claim 1 or 2,
On the bottom surface of the insertion space,
And wherein a corresponding insertion groove is formed to insert the lower end of the locking protrusion. The method according to claim 1 or 2,
The cable terminal includes:
And wherein the FFC connector is disposed in the left-right direction with respect to the latching groove. The method according to claim 1,
On the right and left sides of the housing,
The coupling plate is bent and extended to the lower side,
On the outer surface of the engaging plate,
And the locking protrusion is protruded. The method according to claim 1,
The hook
A coupling end bent and extended from both ends of left and right sides of the actuator,
And a locking hole is formed in the coupling end so as to be horizontally penetrated, so that the locking protrusion is inserted correspondingly. The method of claim 7,
At the extended end of the coupling end,
A handle for releasing the engagement with the locking protrusion is bent outwardly,
The folded portion of the handle
Wherein the actuator is bent at a curved line so as to be opened to the outside while being in contact with an upper end of the locking protrusion when the actuator is rotated forward. The method of claim 7,
At the upper end of the locking projection,
And the inclined surface is formed to be inclined downward outward so that the extended end of the coupling end is guided outward. The method according to claim 1,
On the right and left sides of the actuator,
A rotary shaft is protruded,
The rotation shaft
And is elastically supported downward by the front end of the terminal. The method according to claim 1 or 10,
The terminal comprises:
An upper support extending forwardly and having a front support end for elastically supporting the upper end of the rotation shaft downward,
A first lower connection port extending forward from a lower portion of the upper support and having a front first connection end connected to a lower surface of the cable terminal,
A second lower connection port extending forward from an upper portion of the first lower connection port and having a second connection end forwardly connected to a lower surface of the cable terminal at a rear side of the first connection end,
And a third lower connection port is formed in which a rear third transmission case is exposed through the exterior of the housing and connected to the electronic device.
KR1020150131335A 2015-09-17 2015-09-17 Flexible flat cable connector KR20170033521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150131335A KR20170033521A (en) 2015-09-17 2015-09-17 Flexible flat cable connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150131335A KR20170033521A (en) 2015-09-17 2015-09-17 Flexible flat cable connector

Publications (1)

Publication Number Publication Date
KR20170033521A true KR20170033521A (en) 2017-03-27

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KR1020150131335A KR20170033521A (en) 2015-09-17 2015-09-17 Flexible flat cable connector

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111653889A (en) * 2020-05-29 2020-09-11 中航光电科技股份有限公司 Prevent touching and indicate structure and afterbody sets up socket connector who prevents touching and indicate structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111653889A (en) * 2020-05-29 2020-09-11 中航光电科技股份有限公司 Prevent touching and indicate structure and afterbody sets up socket connector who prevents touching and indicate structure

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