JP2015215953A - Attachment for electric connector, and electric connector device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and surely perform operations for unlocking and ejecting a signal transmission medium in a simple configuration.SOLUTION: A holder body 21 attached to an electric connector 10 in which a signal transmission medium PB is in a locked state, is moved in an ejection direction of the signal transmission medium PB, such that the signal transmission medium PB is unlocked by abutting a first abutment part 26 to a portion of an unlocking operation part 14. A second abutment part 25 is engaged with a portion of the signal transmission medium PB and the signal transmission medium PB is moved in the ejection direction. Therefore, only by moving the holder body 21 in a direction of detachment from the electric connector, the unlocking operation and the ejection of the signal transmission medium are performed. Thus, a configuration for performing a series of operations from unlocking to the ejection of the signal transmission medium easily with one hand, for example, is adopted.

Description

  The present invention relates to an electrical connector attachment and an electrical connector device configured to hold a signal transmission medium inserted into a connector main body portion by a lock portion, or to release the lock portion to be removed.

  2. Description of the Related Art Conventionally, electrical connectors have been widely used in various electrical devices and the like to electrically connect a signal transmission medium such as a flexible flat cable (FFC) and a flexible printed circuit board (FPC) to a circuit wiring board. The electrical connector is mounted on the circuit wiring board via, for example, a board connection leg (hold down) joined to the circuit wiring board, and the signal transmission medium is inward from the insertion opening provided in the connector main body. The electrical connection is made by being inserted toward the end.

  In such an electrical connector, a lock engaging portion made of, for example, a notch-shaped recess is formed at the terminal portion on the insertion side of the signal transmission medium to be inserted inside the connector main body, and the electrical connector A lock portion is provided on the side, and the insertion state of the signal transmission medium is maintained by engaging the lock portion with the lock engagement portion of the signal transmission medium.

  On the other hand, when removing the signal transmission medium in the locked state from the electrical connector, an operation of releasing the lock portion is performed, and the signal transmission medium is pulled out while maintaining the unlocked state. However, the operation of removing the signal transmission medium following the operation of shifting the lock unit to the released state is becoming a complicated and difficult task as the electronic devices become smaller and thinner, particularly as in recent years. More specifically, since a structure in which the signal transmission medium is pulled out with the other hand while the lock part is maintained in the released state with one hand is employed, various electronic components are densely packed. The unlocking operation of the electrical connector and the extraction operation of the signal transmission medium in the narrow space inside tend to make the operator difficult.

JP 2001-196130 A JP 2013-033704 A

  Therefore, the present invention relates to an electrical connector attachment and an electrical connector device that can easily and reliably perform unlocking and removal operations of a signal transmission medium with a simple configuration.

  In order to achieve the above object, in the electrical connector attachment according to the present invention, the lock portion is engaged with the signal transmission medium inserted into the insulating housing to hold the signal transmission medium, while the unlocking operation portion. Is used for an electrical connector configured to remove the signal transmission medium in a state where the engagement state of the lock portion is released by operating the lock portion, and the signal is transmitted to the electrical connector. A holder body mounted so as to be able to reciprocate in the insertion / removal direction of the transmission medium, and the holder body abuts a part of the unlocking operation unit when the holder body is moved in the removal direction of the signal transmission medium; When the first abutting portion that moves the unlocking operation portion in the releasing direction and the holder body are moved in the direction of removing the signal transmission medium, Structure engages a portion of the transmission medium and a second contact portion for moving the signal transmission medium removing direction is employed.

  According to such a configuration of the first aspect, the holder main body attached to the electrical connector in which the signal transmission medium is locked is moved in the direction to be removed from the electrical connector, whereby the first body provided in the holder main body is moved. Since the unlocking operation part is released by the first abutting part and the signal transmission medium is removed by the second abutting part, the unlocking operation and the removal of the signal transmission medium can be performed only by moving the holder body. Thus, a series of operations from the unlocking operation to the removal of the signal transmission medium can be easily performed with one hand, for example.

  In the present invention, when the holder body is moved in the removal direction, the second contact portion is engaged with the signal transmission medium after the lock portion is released by the first contact portion. It is desirable to have a configuration that matches.

  According to such a configuration according to claim 2, since the engagement state of the lock portion with respect to the signal transmission medium is released before the signal transmission medium is removed, a smoother operation is possible.

  Furthermore, in the present invention, when the holder main body is moved in the insertion direction of the signal transmission medium, the signal transmission medium is connected to the electrical connector after the lock portion is released by the first contact portion. It is desirable to be configured to be inserted inside.

  According to such a configuration of the third aspect, since the lock unit is maintained in the released state before the signal transmission medium is inserted, the load when the signal transmission medium is inserted is reduced, and the operation is further improved. It becomes easy.

  Furthermore, the first contact portion according to the present invention includes one guide operation surface that contacts the lock release operation portion when the holder main body is moved in the removal direction, and the holder main body in the insertion direction. It is possible to have a configuration including the other guide operation surface that comes into contact with the unlocking operation portion when moved.

  Furthermore, the signal transmission medium according to the present invention includes a holder engagement portion to which the second contact portion is engaged and a lock engagement portion to which the lock portion is engaged, respectively, of the signal transmission medium. It is possible to be provided so as to cut out the part.

  Furthermore, in the present invention, the second contact portion is formed from a protruding portion that engages with a holder engaging portion that is provided so as to cut out a part of the signal transmission medium. The projecting portion constituting the second abutting portion engages with one end edge of the holder engaging portion when the holder main body is moved in the removal direction of the signal transmission medium, and the holder main body Is preferably configured to engage with the other end edge of the holder engaging portion when moved in the insertion direction of the signal transmission medium.

  According to such a configuration of the 65th aspect, in addition to easy removal of the signal transmission medium, the signal transmission medium is moved when the holder body is moved in the direction of inserting the signal transmission medium into the electrical connector. The medium is moved integrally with the holder main body through the protruding portion constituting the second contact portion, and the signal transmission medium can be easily inserted by attaching the holder main body to the electric connector.

  Further, the holder body in the present invention has a medium insertion passage into which the signal transmission medium is inserted, and an inner wall surface constituting the medium insertion passage has an inner wall surface on the other side facing the inner wall surface. It is possible to provide a biasing projection that guides the signal transmission medium so as to abut on the projection, and the projection that constitutes the second abutment further includes a projection of the medium insertion passage. It is desirable that the protruding portion provided on the inner wall surface on the other side and constituting the second abutting portion and the one-sided protruding portion are arranged so as to sandwich the signal transmission medium from both sides.

  According to such a configuration according to claims 76 and 87, the signal transmission medium inserted into the medium insertion path is pressed in the opposite direction by the projecting portions constituting the one-side projection and the second contact portion. Thus, the signal transmission medium is inserted while being elastically displaced in a curved shape, and the signal transmission medium is elastically restored when the projecting portion constituting the second contact portion is engaged with the holder engaging portion. Thus, a so-called click feeling of engagement is given and the holder body and the signal transmission medium are held.

  At this time, the one-sided protrusions can be arranged so that the second contact part sandwiches the one-sided protrusions from both sides in the connector longitudinal direction.

  Furthermore, in the electrical connector of the electrical connector device according to the present invention, the lock portion and the unlock operation portion can be provided in pairs at positions corresponding to both side portions in the plate width direction of the signal transmission medium. It is.

  As described above, according to the present invention, when the holder body attached to the electrical connector is moved in the direction of removing the signal transmission medium, the first contact portion comes into contact with a part of the lock release operation portion. The holder body attached to the electrical connector by moving the unlocking operation part in the releasing direction and moving the signal transmission medium in the removal direction by engaging the second contact part with a part of the signal transmission medium Adopting a configuration that allows the unlocking operation and removal of the signal transmission medium to be performed simply by moving the connector in the direction to remove it from the electrical connector, and a series of operations from the unlocking operation to the removal of the signal transmission medium can be easily performed with one hand As a result, the signal transmission medium can be unlocked and removed easily and reliably with a simple configuration, and the reliability of the electrical connector can be greatly increased at low cost. It can be.

It is an external appearance perspective explanatory view showing an example of the electric connector which mounts the attachment concerning the present invention from the front side. FIG. 2 is an external perspective explanatory view showing the electrical connector shown in FIG. 1 from the back side. FIG. 2 is an external perspective explanatory view showing a state where a lock member is removed from the electrical connector shown in FIG. 1. FIG. 4 is a partially enlarged perspective explanatory view showing the structure of one end portion in the longitudinal direction of the electrical connector shown in FIGS. 1 to 3. FIG. 4 is an explanatory plan view of the electrical connector shown in FIGS. 1 to 3. FIG. 6 shows the electrical connector shown in FIGS. 1 to 5, and is a cross-sectional explanatory view taken along the line VI-VI in FIG. 5. FIGS. 1 to 5 show the electrical connector shown in FIGS. 1 to 5, where (A) is a cross-sectional explanatory view taken along the line VII-VII in FIG. 5, and (B) is released from the state of (A). It is a cross-sectional explanatory drawing showing the state which performed operation. FIGS. 1A to 1C are diagrams showing the electrical connector shown in FIGS. 1 to 5, wherein (A) is a cross-sectional explanatory view taken along the line VIII-VIII in FIG. 5, and (B) is locked from the state of (A). It is a cross-sectional explanatory drawing showing the state which performed cancellation | release operation. FIG. 6 is an external perspective explanatory view showing the structure of one lock member used in the electrical connector shown in FIGS. 1 to 5 from the inner side of the connector. FIG. 10 is an external perspective view illustrating a state in which a release operation is performed on the lock member illustrated in FIG. 9. FIG. 10 is an external perspective explanatory view showing the structure of the lock member shown in FIG. 9 from the outer side of the connector. FIG. 6 is an external perspective explanatory view showing a state where a signal transmission medium (FFC) is about to be inserted into the electrical connector shown in FIGS. It is an external appearance perspective explanatory view showing the state where insertion of a signal transmission medium (FFC) was completed to the electrical connector shown in Drawings 1-5. FIGS. 1A to 5C illustrate a process of inserting a signal transmission medium (FFC) into the electrical connector illustrated in FIGS. 1 to 5, and FIG. (B) is a cross-sectional explanatory view showing a state in the middle of inserting the signal transmission medium (FFC), and (C) has completed the insertion of the signal transmission medium (FFC). It is an external appearance perspective explanatory view showing a state. FIG. 6 illustrates the electrical connector illustrated in FIGS. 1 to 5, and is a longitudinal cross-sectional explanatory view taken along the line XV-XV in FIG. 5. FIG. 16 is an external perspective explanatory view showing a structure of a holder main body constituting an attachment according to an embodiment of the present invention that is attached to the electrical connector shown in FIGS. FIG. 17 is a partial cross-sectional perspective view showing a state in which a part of the holder main body constituting the attachment according to the embodiment of the present invention shown in FIG. 16 is cut away. It represents the structure of the holder main body which comprises the attachment concerning one Embodiment of this invention with which it mounts | wears with respect to the electrical connector shown by FIGS. 1-15, Comprising: (a) is plane explanatory drawing, b) is a front view, (c) is a side view, and (d) is a bottom view. It is transverse cross-sectional explanatory drawing along the XIX-XIX line | wire in FIG.18 (b). It is transverse cross-sectional explanatory drawing along the XX-XX line in FIG.18 (b). FIG. 21 is an external perspective explanatory view showing a state immediately before a signal transmission medium (FFC) is inserted into a holder body constituting the attachment shown in FIGS. 16 to 20. FIG. 22 is a partial cross-sectional perspective explanatory view showing a state in which a part of the holder main body shown in FIG. 21 is cut away. FIG. 22 is a partial cross-sectional perspective explanatory view showing a cross section along the longitudinal direction of the holder body shown in FIG. 21. FIG. 22 is a cross-sectional explanatory view along the longitudinal direction of the holder body shown in FIG. 21. FIG. 21 is an external perspective explanatory view showing a state in the middle of inserting a signal transmission medium (FFC) into a holder main body constituting the attachment shown in FIGS. 16 to 20. FIG. 26 is a partial cross-sectional perspective explanatory view showing a state in which a part of the holder main body shown in FIG. 25 is cut away. FIG. 26 is a partial cross-sectional perspective explanatory view showing a cross-section along the longitudinal direction of the holder body shown in FIG. 25. FIG. 26 is a cross-sectional explanatory view along the longitudinal direction of the holder body shown in FIG. 25. FIG. 21 is an external perspective view illustrating a state in which a signal transmission medium (FFC) is inserted into a holder main body constituting the attachment shown in FIGS. 16 to 20 and connection is completed. FIG. 30 is a partial cross-sectional perspective explanatory view showing a state in which a part of the holder main body shown in FIG. 29 is cut away. FIG. 30 is a partial cross-sectional perspective explanatory view showing a cross section along the longitudinal direction of the holder main body shown in FIG. 29. FIG. 30 is an explanatory cross-sectional view along the longitudinal direction of the holder body shown in FIG. 29. It is an external appearance perspective explanatory view showing the state just before mounting | attaching the attachment which connected the signal transmission medium (FFC) to the holder main body to an electrical connector. FIG. 34 is a partial cross-sectional perspective explanatory view showing a state in which a part of the holder main body shown in FIG. 33 is cut away. FIG. 34 is a partial sectional perspective explanatory view showing a transverse section along the longitudinal direction of the holder main body shown in FIG. 33. FIG. 34 is a cross-sectional explanatory view along the longitudinal direction of the holder body shown in FIG. 33. It is an external appearance perspective explanatory view showing the state in the middle of mounting the attachment which connected the signal transmission medium (FFC) to the holder main part to an electric connector. FIG. 38 is a partial cross-sectional perspective explanatory view showing a state in which a part of the holder main body shown in FIG. 37 is cut away. FIG. 38 is a partial cross-sectional perspective explanatory view showing a cross-section along the longitudinal direction of the holder body shown in FIG. 37. FIG. 38 is a cross-sectional explanatory view along the longitudinal direction of the holder body shown in FIG. 37. It is an external perspective explanatory drawing showing the state after attaching the attachment which connected the signal transmission medium (FFC) to the holder main body to the electrical connector. It is a fragmentary cross-section perspective explanatory view showing the state where a part of holder body shown in Drawing 41 was notched. FIG. 42 is a partial cross-sectional perspective explanatory view showing a cross-section along the longitudinal direction of the holder body shown in FIG. 41. FIG. 42 is an explanatory cross-sectional view along the longitudinal direction of the holder body shown in FIG. 41. It is an external appearance perspective explanatory view showing the state in the middle of removing the attachment which connected the signal transmission medium (FFC) to the holder main part upward from an electric connector. FIG. 46 is a partial cross-sectional perspective explanatory view showing a state in which a part of the holder main body shown in FIG. 45 is cut away. FIG. 46 is a partial cross-sectional perspective explanatory view showing a cross section along the longitudinal direction of the holder body shown in FIG. 45. FIG. 46 is a cross-sectional explanatory view taken along the longitudinal direction of the holder body shown in FIG. 45. It is an external appearance perspective explanatory view showing the state after extracting the attachment which connected the signal transmission medium (FFC) to the holder main body from the electric connector. FIG. 50 is a partial cross-sectional perspective explanatory view showing a state in which a part of the holder main body shown in FIG. 49 is cut away. FIG. 50 is a partial cross-sectional perspective explanatory view showing a cross section along the longitudinal direction of the holder main body shown in FIG. 49. FIG. 50 is a cross-sectional explanatory view along the longitudinal direction of the holder body shown in FIG. 49.

  DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment of an electrical connector attachment according to the present invention will be described in detail with reference to the drawings. Prior to that, as an example of an electrical connector to which the electrical connector attachment according to the present invention is mounted, circuit wiring A configuration of the receptacle connector mounted on the substrate WB will be described.

  First, the receptacle connector 1 shown in FIGS. 1 to 15 is mounted on a circuit wiring board WB (see reference numeral WB in FIGS. 33 to 52) that constitutes a part of an electronic circuit on the electrical product side. The receptacle connector 1 includes a so-called non-Zif type electrical connector, and the receptacle connector 1 includes an elongated insulating housing 11 disposed so as to rise from the surface of the circuit wiring board WB disposed substantially horizontally. Have.

  In the following, it is assumed that the surface of the circuit wiring board WB extends in a horizontal state, the direction in which the insulating housing 11 rises from the surface of the circuit wiring board WB is “upward”, and is opposite to the rising direction of the insulating housing 11. The direction is “downward”. In addition, the elongated extending direction of the insulating housing 11 is referred to as a “connector longitudinal direction”, and a direction perpendicular to both the “connector longitudinal direction” and the “vertical direction” is referred to as a “connector longitudinal direction”.

[Insulating housing]
An insertion opening 11a into which a signal transmission medium PB such as a flexible flat cable (FFC) or a flexible printed circuit board (FPC) to be described later is inserted is formed on the upper end surface, which is an end portion on the rising side of the insulating housing 11 described above. It is formed so as to form an elongated slit shape along the longitudinal direction. Then, the terminal portion of the signal transmission medium PB is disposed in a state in which the terminal portion of the signal transmission medium PB is directed downwardly at a position above the insertion opening 11a so as to be substantially orthogonal to the surface of the circuit wiring board WB (not shown). ), When the terminal portion of the signal transmission medium PB is moved downward, the terminal portion of the signal transmission medium PB is moved from the insertion opening 11a to the inside of the receptacle connector 1, more specifically, the hollow inside of the insulating housing 11. It is supposed to be inserted.

  The signal transmission medium (FFC or FPC) PB is inserted into the receptacle connector 1 using the attachment according to the present invention, but the structure of the attachment 3 will be described in detail later. .

[About conductive contacts]
A large number of conductive contacts (conductive terminals) 12, 12,... Are attached to the insulating housing 11 in a multipolar shape along the connector longitudinal direction of the insulating housing 11 with a predetermined pitch interval. . As shown in FIG. 6, each of these conductive contacts 12 is made of a metal member bent so as to have a substantially L-shaped side surface, and is inserted into the receptacle connector 1 as described above. The contact portion 12a that contacts the terminal portion of the signal transmission medium (FFC or FPC) PB is provided at the upper end portion. The main body portion of each of the conductive contacts 12 extends downward from the above-described contact portion 12a, and is bent at a substantially right angle at the lower end portion that contacts the circuit wiring board WB (not shown) and extends in the connector width direction. It extends to the back side (right side in FIG. 6). And the connection terminal part 12b is provided in the back side extension end part of the conductive contact 12, The connection terminal part 12b is in the conductive path for signals formed in the circuit wiring board WB (illustration omitted) mentioned above. It is designed to be soldered.

[About locking members]
Further, a pair of lock members (holddowns) 13 and 13 formed by bending a thin metal member into a predetermined shape are disposed inside the insulating housing 11 at both ends of the insulating housing 11 in the connector longitudinal direction. Has been. Each of these lock members 13 is attached so as to be mounted from the lower side to the upper side with respect to both end portions in the connector longitudinal direction of the insulating housing 11 described above, and particularly as shown in FIG. As a base portion of the lock member 13, a pair of lock substrates (base portions) 13a and 13a rising from the bottom surface portion of the insulating housing 11 so as to face the front-rear direction of the connector is provided. Both the lock boards 13a and 13a are integrally connected to each other in the longitudinal direction of the connector by the base connecting plate 13b at the end in the connector longitudinal direction, and each of the lock boards 13a and the base connecting plate 13b includes a plurality of lock boards. The housing fixing piece 13c is provided so as to protrude upward. The plurality of housing fixing pieces 13c are inserted into the main body portion of the insulating housing 11 in a press-fit state from the bottom surface side, and thereby the entire locking member 13 is fixed.

  In addition, a pair of lock arm portions 13e and 13e can be elastically displaced at the upper end edge of one lock substrate 13a located on the front side in the front-rear direction of the connector (left side in FIG. 8) via folded portions 13d and 13d. It is provided so as to form a rocking member. The folded portions 13d and 13d and the lock arm portions 13e and 13e are arranged so as to be adjacent to each other in the longitudinal direction of the connector. Then, after protruding upward from the upper end edge of the lock substrate 13a described above, it is folded back so as to be reversed downward. And the lock arm part 13e is extended from the lower end part of each of these folding | returning parts 13d so that it may make a cantilever downward, respectively, and each said lock arm part 13e is mentioned above by the cantilever structure. The folded portion 13d is used as a fulcrum to elastically swing in the connector front-rear direction. At this time, the lower end portions of the lock arm portions 13e and 13e are integrally connected in the connector longitudinal direction, and the lock arm portions 13e and 13e are integrally swung.

  Further, a lock portion 13f for holding a signal transmission medium (FFC or FPC) PB is provided at a side edge of the lock arm portion 13e located on the inner side of the connector of the pair of lock arm portions 13e and 13e. Is provided. The lock portion 13f engages with a lock engagement portion PB1 formed in the terminal portion of the signal transmission medium (FFC or FPC) PB. Details of the configuration will be described later.

  On the other hand, inside the insulating housing 11 described above, as shown particularly in FIGS. 7 and 8, a lock arm housing for swingably housing the pair of lock arm portions 13e and 13e and the lock portion 13f described above. A chamber 11b is provided. The lock arm housing chamber 11b has a rocking regulation wall portion 11c that partitions the lock arm housing chamber 11b and a signal transmission medium (FFC or FPC) PB so as to define an insertion space. The rocking restriction wall portion 11c is arranged such that the lock arm portion 13e can come into contact with the wall surface, and the rocking amount of the lock portion 13f is regulated within an appropriate range by such an arrangement relationship. It has become.

  In particular, in this embodiment, after the lock arm portion 13e swings together with the lock portion 13f, a part of the lock arm portion 13e collides lightly with the swing restricting wall portion 11c when the lock arm portion 13e elastically returns to the initial state of no load. In this case, a so-called click sound is generated.

  Further, the above-described swing restricting wall portion 11c is provided with a slit-like cutout portion at a portion facing the lock portion 13f, and the distal end portion of the lock portion 13f passes through the cutout portion and is insulated housing. 11 is configured to be able to protrude into the insertion space of the signal transmission medium PB provided in the inside.

[About the lock section]
The lock portion 13f is provided corresponding to the lock engagement portion PB1 formed in the terminal portion of the signal transmission medium (FFC or FPC) PB. That is, as shown in FIG. 12 in particular, the terminal portion of the signal transmission medium PB is provided with a notch-shaped recess on both side edge portions in the plate width direction (connector longitudinal direction) of the signal transmission medium PB. When the signal transmission medium PB is inserted into the receptacle connector 1, the lock portion 13f provided on the receptacle connector 1 side is provided with the signal transmission medium PB1. The signal transmission medium PB is held in an inserted state by engaging the lock engaging portion PB1 provided on the PB side and engaging the lock portion 13f with the lock engaging portion PB1.

  In this way, the lock portion 13f is formed of a plate-like member that enters the lock engagement portion PB1 of the signal transmission medium (FFC or FPC) PB described above, and the lock arm portion 13e described above is rocked. It is bent from the moving part so as to protrude into the insertion space of the signal transmission medium PB described above. The front end portion of the locking portion 13f in the protruding direction is formed in a so-called hook shape, and the inclined guide side is inclined between the lower end edge having a longer protruding length and the upper end edge having a shorter protruding length. The shape is extended. Further, the above-described lower end edge of the lock portion 13f extends so as to form an inclined side that slightly falls in the protruding direction of the lock portion 13f (the right direction in FIG. 7). The lock portion 13f having such a hook shape is provided on the inner edge of the lock arm portion 13e disposed on the inner side in the connector longitudinal direction of the pair of lock arm portions 13e and 13e.

  As described above, a pair of locking portions 13f in the present embodiment are provided on the front side in the connector front-rear direction, but may be provided on the back side in the connector front-rear direction, or on both the front side and the back side. good.

  Then, for example, as shown in FIGS. 12 and 14A, when the terminal portion of the signal transmission medium (FFC or FPC) PB is inserted into the insertion space of the insulating housing 11 from above, 13 and FIG. 14B, the insertion side leading edge of the signal transmission medium PB abuts on the inclined guide side of the lock portion 13f described above, and extends downward in the initial state before insertion. The lock arm portion 13e is elastically displaced so as to be pushed outward in the front-rear direction of the connector with the folded portion 13d on the upper end side as a swing fulcrum.

  Here, the elastic displacement of the lock arm portion 13e is described in a state where the attachment according to the present invention is not used, but the elastic displacement of the lock arm portion 13e when the attachment according to the present invention is used is At the stage before the insertion side leading edge of the signal transmission medium (FFC or FPC) PB comes into contact with the lock portion 13f, the attachment according to the present invention is performed in advance by pressing a lock release operation portion 14 described later.

  When the terminal portion of the signal transmission medium (FFC or FPC) PB is pushed further downward from such an elastically displaced state of the lock arm 13e, for example, as shown in FIG. The hook-shaped portion of the lock portion 13f is rocked so as to protrude toward the inside of the lock engagement portion (notch-shaped recess) PB1 of the signal transmission medium PB by the elastic restoring force of the lock arm portion 13e. As a result, the lock portion 13f is engaged with the lock engagement portion PB1 of the signal transmission medium PB, and the insertion state of the signal transmission medium PB is maintained.

  Note that the engagement of the lock portion 13f with the lock engagement portion PB1 of the signal transmission medium (FFC or FPC) PB here is also described without using the attachment according to the present invention. When the lock portion 13f is engaged, the attachment operation according to the present invention is performed at a stage after the lock portion 13f faces the lock engagement portion PB1 of the signal transmission medium PB. This is done by opening 14.

  Thus, when the insertion of the signal transmission medium (FFC or FPC) PB is completed and the lock arm portion 13e returns to the initial state, a part of the lock arm portion 13e collides lightly with the swing regulating wall portion 11c. Since a so-called click sound for completion of insertion is generated, it is prevented that the signal transmission medium PB is not completely inserted. Further, when a pulling force is applied to the signal transmission medium PB after completion of insertion, the lock engaging portion PB1 provided on the signal transmission medium PB is pressed against the inclined side that forms the lower edge of the lock portion 13f. However, due to the component force generated at the lower edge of the inclined side, the lock portion 13f moves together with the lock arm portion 13e in the direction opposite to the release direction. However, such movement of the lock portion 13f and the lock arm portion 13e is prevented by the lock arm portion 13e coming into contact with the swing restricting wall portion 11c, and as a result, the signal transmission medium PB is prevented from being pulled out or dropped off. The

[Unlock link mechanism]
On the other hand, the lock release operation unit 14 is operated from the engagement state of the lock unit 13f with the signal transmission medium (FFC or FPC) PB as described above through the attachment according to the present invention described later, whereby the lock release operation is performed. When this is done, the lock arm portion 13e swings so as to be pushed outward in the front-rear direction of the connector against its own elastic force via an unlocking link mechanism described next (FIG. 7 ( B), FIG. 8B and FIG. 10), the hook portion of the lock portion 13f is released from the lock engaging portion PB1 of the signal transmission medium PB. Next, the unlocking operation unit 14 and the unlocking link mechanism attached to the unlocking operation unit 14 will be described.

  That is, the above-described unlocking link mechanism is attached to the pair of unlocking operation units 14 and 14 provided to release the lock unit 13f from the signal transmission medium (FFC or FPC) PB. The pair of unlocking operation portions 14 and 14 to which the unlocking link mechanism is attached are disposed at both end portions of the insulating housing 11 in the connector longitudinal direction. Each of these unlocking operation sections 14 is disposed in a pair so as to face each other at positions sandwiching the signal transmission medium PB in the plate width direction (connector longitudinal direction), that is, on both sides of the insertion opening 11a. For example, as shown by the arrows in FIGS. 13 and 15, the release operation force is applied in a direction in which the pair of both lock release operation units 14 and 14 are close to each other.

  At this time, as shown in FIG. 15, both unlocking operation portions 14 and 14 are formed integrally with the insulating housing 11 via the release arm portions 14 a and 14 a at both ends of the insulating housing 11 in the connector longitudinal direction. Has been. More specifically, each of the release arm portions 14a is cantilevered from the bottom surface portion of the insulating housing 11 and extends outward in the front-rear direction of the connector, then bends substantially at a right angle and extends upward. The unlocking operation portion 14 is connected to the upper end portion of the release arm portion 14a having a substantially L shape. Each of the release arm portions 14a is elastically displaced so that the above-described pair of unlocking operation portions 14 and 14 can be moved so as to approach and separate from each other.

  When the actual unlocking operation is performed, as shown by the arrows in FIG. 13, the two unlocking operation units 14 and 14 described above are mutually connected based on the movement operation of the attachment according to the present invention described later. When the attachment is moved again toward the center of the connector so as to come closer to each other, and the attachment movement operation described later is performed again, both unlocking operation portions 14 are caused by the elastic return force of the release arm portion 14a. , 14 move so as to be in a separated state.

  The pair of unlocking operation units 14 and 14 are each provided with an unlocking link mechanism as described above, and the unlocking operation units 14 and 14 are mutually connected via an attachment according to the present invention described later. When the unlocking operation is performed so as to be close to each other, the lock unit 13f is moved in the releasing direction from the signal transmission medium (FFC or FPC) PB via the unlocking link mechanism. In the following, the structure of the one side unlocking link mechanism arranged on one side in the connector longitudinal direction will be described, but the other side unlocking link mechanism has the same configuration.

  As shown in FIGS. 5 and 9 to 11, the unlocking link mechanism attached to the unlocking operation portion 14 includes one lock arm portion 13e that supports the above-described lock portion 13f so as to be elastically displaceable. A release force receiving plate 13g provided on one of the lock arm portions 13e, and a release pressing portion 14b provided on the release arm portion 14a so as to be able to contact the release force receiving plate 13g. ,have.

  Among them, the release force receiving plate 13g is a plate-like member that integrally extends from the side edge portion of one lock arm portion 13e disposed on the inner side in the connector longitudinal direction toward the other lock arm portion 13e. Is formed. The release force receiving plate 13g extends in a direction inclined with respect to the movement direction (connector longitudinal direction) of the lock release operation unit 14, and the direction in which the lock release operation units 14 and 14 approach and separate from each other ( It is arranged so as to form an angle of about 30 degrees in plan view with respect to the connector longitudinal direction).

  Corresponding to such a release force receiving plate 13g, the side surface of the release arm portion 14a on the front side in the connector front-rear direction (left side in FIG. 8) protrudes toward the release force receiving plate 13g. The release pressing portion 14b is formed to have a protrusion shape. The release pressing portion 14b is disposed so as to be able to come into contact with the above-described release force receiving plate 13g, and in the initial state where the lock release operation portion 14 is not operated, the connector longitudinal direction with respect to the release force receiving plate 13g. However, when the lock release operation portion 14 is operated, the release force receiving plate 13g is in contact with the release force receiving plate 13g.

  That is, as described above, the unlocking operation is performed so that the pair of unlocking operation portions 14 and 14 provided at both end portions in the connector longitudinal direction are brought close to each other via the attachment according to the present invention described later. When this occurs, the release arm portion 14a is elastically displaced in the connector longitudinal direction, and the corresponding release pressing portion 14b approaches the release force receiving plate 13g, and the release pressing portion is placed on the inclined surface portion of the release force receiving plate 13g. It will be in the state which the front-end | tip part of 14b contact | abutted. Furthermore, when both unlocking operation parts 14 and 14 are moved in the proximity direction, the above-described release pressing part 14b presses the inclined surface part of the release force receiving plate 13g outward in the connector front-rear direction, As shown in FIG. 7B, FIG. 8B, and FIG. 10, the lock arm portions 13e and 13e swing together with the release force receiving plate 13g in a direction to be pushed outward in the connector longitudinal direction. And elastically displaced. As a result, the hook-shaped portion of the lock portion 13f is released from the lock engagement portion PB1 of the signal transmission medium PB, thereby releasing the lock portion 13f.

  At this time, the release arm portion 14a according to the present embodiment is provided with a slidable contact support portion 14c made of a protruding member on the side end surface on the back side in the front-rear direction of the connector (the right side in FIG. 8). The sliding contact support portion 14c is configured to slidably contact the surface of the lock substrate 13a disposed on the back side of the connector in the front-rear direction (right side in FIG. 8). By providing such a sliding contact support portion 14c, the elastic displacement of the release arm portion 14a during the unlocking operation is performed while being supported by the lock substrate 13a via the sliding contact support portion 14c. The unlocking operation is performed stably and smoothly.

  The sliding contact support portion 14c described above may be configured to slidably contact with a part of the lock member 13f or a part of the insulating housing 11 at least when the unlocking operation unit 14 is moved. .

  Furthermore, both the lock boards 13a and 13a constituting the base part of the lock member 13 described above are bent substantially at right angles from the lower end edges of the lock boards 13a and 13a and protrude outward in the front-rear direction of the connector. The board connecting portions 13h and 13h are integrally connected. These two board connecting portions 13h, 13h are arranged so as to be aligned in a substantially straight line along the connector longitudinal direction, and are arranged in a plane including the aforementioned release force receiving plate 13g. The board connecting portions 13h and 13h are soldered onto a circuit wiring board WB (not shown) so that the operation force when the unlocking operation is performed is firmly supported.

[About attachments]
Next, an electrical connector attachment according to an embodiment of the present invention used for the receptacle connector 1 described above and a structure of a signal transmission medium (FFC or FPC) PB corresponding thereto will be described.

  As shown in FIGS. 16 to 20, the electrical connector attachment according to the present embodiment has a hollow shape that is attached so as to cover the outer side of the receptacle connector 1 described above from above. A holder body 21 is provided. In the hollow interior of the holder main body 21, a connector housing portion 22 having a size for housing the entire receptacle connector 1 is formed. Further, in a state where the holder main body 21 is mounted on the receptacle connector 1 from above, a relatively small passage-like space into which the signal transmission medium (FFC or FPC) PB is inserted into the upper portion of the connector housing portion 22 described above. A medium insertion passage 23 is provided so as to communicate integrally with the connector housing portion 22.

  Then, the signal transmission medium (FFC or FPC) PB is inserted into the holder main body 21 from the upper side of the holder main body 21 through the medium insertion passage 23, so that the signal transmission medium PB is connected to the holder main body 21 as described later. Then, the holder main body 21 to which the signal transmission medium PB is coupled is mounted so as to cover the outer side of the receptacle connector 1 from above, so that the receptacle is accommodated in the connector housing portion 22 described above. The entire connector 1 is accommodated, and the signal transmission medium PB is connected to the receptacle connector 1 by moving the holder main body 21 downward from the state.

[About connector housing]
At this time, as described above, the connector housing portion 22 is formed so as to have an internal space of a size that can accommodate the entire receptacle connector 1, but particularly in the height direction, the connector housing portion 22 With respect to the receptacle connector 1 accommodated inside, the entire holder body 21 has an enlarged height so that it can be moved in the vertical direction, which is the insertion / removal direction of the signal transmission medium (FFC or FPC) PB. Have. The holder main body 21 is configured to reciprocate up and down along both surfaces of the receptacle connector 1 particularly in the front-rear direction of the connector.

[About media insertion path]
Further, as described above, the medium insertion passage 23 is formed in the upper portion of the holder main body 21 so as to communicate with the connector housing portion 22 from the upper side. 22 is formed so as to form a hollow passage extending from the upper end surface of the holder main body 21 to the insertion opening 23a. The insertion opening 23a is formed in an elongated slit shape, and a signal transmission medium (FFC or FPC) PB is inserted from above through the insertion opening 23a.

  Thus, the signal transmission medium (FFC or FPC) PB inserted into the medium insertion passage 23 through the insertion opening 23 a provided at the upper end surface of the holder body 21 faces the inside of the connector housing 22 on the lower side. However, when the insertion side distal end portion (lower end portion) of the signal transmission medium PB reaches the inside of the connector housing portion 22, the signal transmission medium PB is engaged with the second contact portion 25 described below. It is stopped. Then, the signal transmission medium PB is moved downward together with the holder main body 21 via the second contact portion 25, and thereby the signal transmission medium PB is inserted into the receptacle connector 1. ing. This will be described later.

[About misaligned protrusions]
Here, as described above, when the distal end portion (lower end portion) of the insertion side of the signal transmission medium (FFC or FPC) PB is brought into the locked state with respect to the second contact portion 25, first, the medium insertion path. The signal transmission medium PB is pressed against the inner wall surface on one side of the medium insertion path 23 by the guiding action of the one-sided protrusion 24 provided on 23. More specifically, among the opposing inner wall surfaces of the connector front-rear direction constituting the medium insertion passage 23 described above, the inner wall surface on one side (left side in FIG. 20) is connected to the other side (in FIG. 20). A side-projecting portion 24 that protrudes so as to form a stepped portion toward the inner wall surface on the right side) is provided.

  The offset protrusion 24 is formed in the central region in the passage width direction (connector longitudinal direction) of the medium insertion passage 23 so as to have a predetermined width dimension, and is inserted inward of the medium insertion passage 23. The signal transmission medium (FFC or FPC) PB moves downward so as to ride on the surface of the one-sided protrusion 24 from above, so that one side surface of the signal transmission medium PB becomes a medium insertion path. 23, the one side surface of the signal transmission medium PB is guided to the inner wall surface on the other side of the medium insertion path 23. A downward movement is performed while abutting.

[About the second contact portion]
On the other hand, the inner wall surface on the other side (the right side in FIG. 20) constituting such a medium insertion passage 23, that is, one side (in FIG. A second abutting portion 25 that engages with a holder engaging portion PB2 provided on a signal transmission medium (FFC or FPC) PB described later is provided on the inner wall surface facing the inner wall surface on the left side). 23 is formed on both side portions in the passage width direction (connector longitudinal direction).

  Each of the second abutment portions 25 is formed from a front-side substantially rectangular protrusion-like portion protruding so as to form a step portion from the other inner wall surface to the one inner wall surface in the medium insertion passage 23 described above. It is formed and extends over the entire length of the passage length in the vertical direction of the medium insertion passage 23. The signal transmission medium (FFC or FPC) PB inserted into the medium insertion path 23 has both edge portions on both ends of the leading end portion (lower end portion) in the insertion direction. It is made the structure which rides on the surface of 25 and 25, and is moved in the state elastically displaced. This elastic displacement of the signal transmission medium PB is surely performed by the above-described one-sided protrusion 24, which will be described later.

  The length in the vertical direction of the second contact portion 25 at this time, that is, the length of the second contact portion 25 in the insertion direction of the signal transmission medium (FFC or FPC) PB is shown in FIG. 24, for example. Thus, it is formed to be slightly longer than the length in the vertical direction of the lock engaging portion PB1 of the signal transmission medium PB. Therefore, when the lock engaging portion PB1 of the signal transmission medium PB inserted from the upper side of the holder main body 21 reaches the position facing the second contact portion 25, for example, FIG. Thus, the lock engagement portion PB1 of the signal transmission medium PB continues to move downward without being fitted to the second contact portion 25 described above. Then, the signal transmission medium PB that has moved downward without being fitted to the second contact portion 25 in this way is the holder engagement portion PB2 provided on the signal transmission medium PB, and the second contact portion 25. When it faces, it is made into a fitting state.

  At this time, as shown in FIG. 24, a distance L1 between a pair of lock engagement portions PB1 and PB1 provided on the signal transmission medium PB, more specifically, each lock engagement portion PB1 is formed. The distance obtained by connecting the bottoms of the U-shaped cutouts in the longitudinal direction of the connector is longer than the distance L2 in the same direction between the inner wall surfaces facing the pair of second contact portions 25, 25. It is set (L1> L2). As a result, when the signal transmission medium PB moves downward as described above and the lock engagement portion PB1 passes along the surface of the second contact portion 25, the lock engagement portion PB1 and the second contact The contact portion 25 can be moved relatively smoothly.

[About the holder engaging part]
More specifically, the above-mentioned holder engaging portion PB2 of the signal transmission medium (FFC or FPC) PB is a notch formed at both side edge portions in the plate width direction (connector longitudinal direction) of the signal transmission medium PB. And is arranged in parallel to the rear side (upper side) of the lock engaging portion PB1 described above in the insertion direction of the signal transmission medium PB. The signal transmission medium PB inserted into the medium insertion path 23 is in a state where both side portions at the tip end portion (lower end portion) in the insertion direction ride on the second contact portion 25 and are elastically displaced as described above. The movement will continue downward. For example, as shown in FIG. 30, the holder engaging portion PB2 of the signal transmission medium PB faces the second contact portion 25, so that the elastic displacement of the signal transmission medium PB is achieved. As a result, the elastic engagement is performed so that the holder engagement portion PB2 is fitted to the second contact portion 25.

  At this time, the elastic return of the signal transmission medium (FFC or FPC) PB is surely performed by the pressing action of the one-side projection part 24 provided in the medium insertion passage 23 as described above. That is, as described above, when both side portions of the signal transmission medium PB inserted into the medium insertion passage 23 at the front end portion (lower end portion) in the insertion direction ride on the second contact portion 25, the signal transmission is performed. The central region of the medium PB is in contact with the inner wall surface on the other side (the right side in FIG. 20) by the pressing force of the one-side protruding protrusion 24. Therefore, the signal transmission medium PB in this case is elastically deformed so as to form a curved shape from the central region pressed by the offset projecting portion 24 to both end portions riding on the second contact portion 25, and the signal When the transmission medium PB moves downward and faces the holder engaging portion PB2, a large elastic restoring force acts. As a result, when the holder engaging portion PB2 and the second contact portion 25 are fitted, a so-called click feeling of fitting can be obtained.

  When the holder engaging portion PB2 of the signal transmission medium (FFC or FPC) PB is fitted to the second contact portion 25 of the holder main body 21, the holder main body 21 moves downward. Along with this, the lower end surface of the second contact portion 25 contacts the lower end edge of the holder engaging portion PB2 of the signal transmission medium PB, whereby the holder main body 21 and the signal transmission medium PB are integrally moved downward. It will be. Therefore, the signal transmission medium PB is inserted into the lower receptacle connector 1 by moving the holder main body 21 downward after the holder main body 21 is mounted on the receptacle connector 1, and the signal transmission medium The lock engaging portion PB1 of the PB is engaged with the lock portion 13f of the receptacle connector 1.

  Here, the length of the holder engaging portion PB2 in the vertical direction that is the insertion / separation direction of the signal transmission medium (FFC or FPC) PB described above is, for example, as shown in FIG. Also, it is set to be a little longer. Then, the movement of the second contact portion 25 is allowed in the vertical direction in the inner space of the holder engagement portion PB2 by the amount that the holder engagement portion PB2 is formed to be slightly longer in the vertical direction. Has been made. Therefore, when the signal transmission medium (FFC or FPC) PB is inserted into the holder body 21 and attached, it corresponds to the amount of vertical movement of the lower end surface of the second contact portion 25 as described above. Thus, the entire holder main body 21 can also be reciprocated in the vertical direction with respect to the signal transmission medium (FFC or FPC) PB. Further, even when the signal transmission medium (FFC or FPC) PB is inserted into the receptacle connector 1 to be in an engaged state, the holder main body 21 can be reciprocated in the vertical direction with respect to the receptacle connector 1. Has been.

[About the first contact portion]
On the other hand, of the inner wall surfaces constituting the connector housing portion 22 of the holder main body 21 described above, the pair of inner wall surfaces facing both sides in the connector longitudinal direction are in contact with the unlocking operation portion 14 of the receptacle connector 1 described above. The first contact portions 26 that come into contact with each other are provided. Each of the first contact portions 26 is formed of a protruding member that protrudes from the inner wall surfaces on both sides constituting the connector housing portion 22 toward the inner side of the connector housing portion 22 (connector center side). On the upper and lower surfaces in the vertical direction, which is the insertion / removal direction of the signal transmission medium (FFC or FPC) PB, there are an upper guide operation surface 26a composed of an inclined surface arranged so as to be able to contact the unlock operation portion 14 and Lower guide operation surfaces 26b are formed respectively.

  When the holder body 21 is moved downward, which is the insertion direction of the signal transmission medium (FFC or FPC) PB, for example, as shown in FIG. The lower guide operation surface 26 b of the portion 26 is configured to come into contact with the lock release operation portion 14 of the receptacle connector 1 from above. At this time, the unlocking operation portion 14 is pressed toward the center of the connector by the contact force of the first abutting portion 26, so that the signal transmission is performed in a state where the locking portion 13f of the receptacle connector 1 is moved to the release position. The medium (FFC or FPC) PB is inserted.

  If such a configuration is adopted, before the signal transmission medium (FFC or FPC) PB is inserted into the receptacle connector 1, the lock portion 13f is maintained in the released state, and the signal transmission medium (FFC) (Or FPC) The load at the time of insertion of PB is reduced, and it becomes easier to operate.

  Further, when the signal transmission medium (FFC or FPC) PB is lowered together with the holder main body 21, as shown in FIG. 44, for example, the lower guide operation surface 26b of the first contact portion 26 described above is a receptacle. The connector 1 moves away from the unlocking operation portion 14 of the connector 1, whereby the unlocking operation portion 14 returns to the original position on the outer side of the connector. As a result, the lock portion 13f is engaged with the lock engagement portion PB1 of the signal transmission medium PB, and the lock state is entered.

  At this time, as described above, the length of the holder engagement portion PB2 in the vertical direction, which is the insertion / separation direction of the signal transmission medium (FFC or FPC) PB, is slightly larger than the vertical length of the second contact portion 25. Since the second abutment portion 25 is set so as to be long and the second abutment portion 25 is movable in the space of the holder engagement portion PB2, the lock portion 13f with respect to the lock engagement portion PB1 of the signal transmission medium PB. Is engaged, that is, in a state where the signal transmission medium PB is maintained in the locked state, only the holder body 21 can be independently moved upward.

  That is, by moving the holder body 21 independently from the locked state as described above in the upward direction, which is the removal direction of the signal transmission medium (FFC or FPC) PB, for example, as shown in FIG. The upper guide operation surface 26 a of the first contact portion 26 is configured to contact the lock release operation portion 14 of the receptacle connector 1 from below. Then, by the contact force of the first abutting portion 26, the unlocking operation portion 14 is pressed toward the connector center side, whereby the locking portion 13f of the receptacle connector 1 is moved to the releasing position, so that the signal The lock portion 13f is separated from the lock engaging portion PB1 of the transmission medium PB and is shifted to the unlocked state.

  A specific dimensional relationship related to the unlocking operation will be described in detail. When the holder body 21 is moved upward from the attachment state shown in FIG. A moving distance until the surface 26a starts to contact the unlocking operation unit 14 is L3. On the other hand, when the distance from the upper end surface of the second contact portion 25 to the upper edge portion of the holder engaging portion PB2 facing the second contact portion 25 in the attachment state is L5, these both distances L3, L5 The relationship between them is L5> L3. By setting such a dimensional relationship, the holder body 21 can be moved upward alone.

  Next, when the holder main body 21 is moved upward after the upper guide operation surface 26a of the first contact portion 26 contacts the lock release operation portion 14, the contact portion with respect to the lock release operation portion 14 is The upper guide operation surface 26a is switched to the lower guide operation surface 26b, and the distance that the contact state with the unlocking operation unit 14 is maintained from the upper guide operation surface 26a to the lower guide operation surface 26b in this way is L4. Then, the relationship with the distance L5 from the upper end surface of the second contact portion 25 described above to the upper end edge portion of the holder engaging portion PB2 is L4> L5. By setting such a dimensional relationship, the second contact portion 25 can be engaged with the holder engaging portion PB2 while unlocking is maintained.

  As described above, in the attachment according to the present embodiment, when the holder main body 21 moves alone upward from the state shown in FIG. 44 to the state shown in FIG. 48, the upper guide operation surface 26a of the first contact portion 26 is first locked. By contacting the release operation unit 14 from below and maintaining the contact state of the first contact portion 26, the lock release state, that is, the lock engaging portion PB1 to the lock portion 13f of the signal transmission medium PB is maintained. When the holder main body 21 further moves upward while maintaining the separated state, the second contact portion 25 is engaged with the holder engaging portion PB2, and together with the holder main body 21, the signal transmission medium (FFC or FPC) PB is removed. Thereafter, the unlocking operation unit 14 in the receptacle connector 1 is in a state before the operation.

  If such a configuration is adopted, before the signal transmission medium (FFC or FPC) PB is removed, the engagement state of the lock portion 13f with the signal transmission medium (FFC or FPC) PB is released. Therefore, a smoother extraction operation becomes possible.

  Thus, after the holder main body 21 is independently operated to move upward from the locked state and the lock portion 13f is released, the signal transmission medium (FFC or FPC) PB shifts to a freely movable state, The upper end surface of the second contact portion 25 provided on the holder main body 21 is configured to contact the upper end edge of the holder engaging portion PB2 provided on the signal transmission medium PB. Thus, the signal transmission medium PB is integrally moved upward together with the holder main body 21 as the holder main body 21 moves upward thereafter, and the signal transmission can be performed only by moving the holder main body 21 upward. The medium PB is removed.

  According to this embodiment having such a configuration, the holder main body 21 attached to the receptacle connector 1 is moved upward with respect to the receptacle connector 1 in which the signal transmission medium (FFC or FPC) PB is locked. By performing an operation so that the lock connector is moved and detached from the receptacle connector 1, the unlocking operation unit 14 is released through the first contact unit 25 provided in the holder body 21 and the second contact unit 26. Thus, the signal transmission medium PB is removed through the signal transmission medium PB, and the signal transmission medium PB is easily removed by one hand, for example.

  In particular, in the present embodiment, when the signal transmission medium (FFC or FPC) PB is easily removed, the second operation is performed when the holder body 21 is moved downward so as to be attached to the receptacle connector 1. Since the signal transmission medium PB is moved integrally with the holder main body 21 via the protruding portion constituting the contact portion 26, the insertion operation of the signal transmission medium PB is also easily performed.

  Further, in the present embodiment, since the holder body 21 itself is used with respect to the receptacle connector 1, the effect of protecting the signal transmission medium (FFC or FPC) and preventing deformation can be expected. Even if an unexpected bending or pressure is applied to the medium (FFC or FPC), the medium will not be bent and blocked.

  Further, in the present embodiment, the signal transmission medium (FFC or FPC) PB is inserted in contact with the inner wall surface of the medium insertion passage 23, and a holder engaging portion PB2 for the signal transmission medium PB is provided. Since the elastic displacement is performed so that the signal transmission medium PB is lifted in the region, and the signal transmission medium PB is engaged with the holder engaging portion PB2 while being elastically restored, a so-called click feeling of engagement is given. It is done.

  Although the invention made by the present inventor has been specifically described based on the embodiments, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention. Needless to say.

  For example, in each of the above-described embodiments, the present invention is applied to a vertical insertion type electrical connector, but the present invention is not limited thereto, and is similarly applied to a horizontal insertion type electrical connector. Is possible.

  Furthermore, the electrical connector according to the present invention is not limited to the one that connects the flexible flat cable (FFC) and the flexible printed circuit board (FPC) as in the above-described embodiment, and the board and the board, or the cable and the like. The present invention can be similarly applied to a wide variety of electrical connectors for electrically connecting substrates.

  As described above, the present invention can be widely applied to various electrical connectors used in electrical equipment.

DESCRIPTION OF SYMBOLS 1 Receptacle connector 11 Insulation housing 11a Insertion opening part 11b Lock arm accommodating chamber 11c Oscillation control wall part 12 Conductive contact (conductive terminal)
12a Contact portion 12b Connection terminal portion 13 Lock member (hold down)
13a Lock board (base)
13b Base connection plate 13c Housing fixing piece 13d Folding part 13e Lock arm part (lock release link mechanism)
13f Locking part 13g Release force receiving plate (lock release link mechanism)
13h Board connection part 13i Return spring piece 13j Fixed insertion part 13k Step part 14 Lock release operation part 14a Release arm part (lock release link mechanism)
14b Release pressing portion 14c Sliding contact support portion 14d Fixing groove 21 Holder body 22 Connector housing portion 23 Medium insertion passage 23a Insertion opening portion 24 Ejecting projection portion 25 Second contact portion 26 First contact portion 26a Upper guide operation surface 26b Downward guide operation surface PB Signal transmission medium (FFC or FPC)
PB1 Lock engaging part PB2 Holder engaging part

Claims (11)

A state in which the lock portion is engaged with the signal transmission medium inserted into the insulating housing to hold the signal transmission medium, and the engagement state of the lock portion is released by operating the lock release operation portion. And used for an electrical connector configured to remove the signal transmission medium,
A holder body mounted to the electrical connector so as to be reciprocally movable in the insertion / removal direction of the signal transmission medium,
A first abutting portion that abuts against a part of the unlocking operation portion and moves the unlocking operation portion in the releasing direction when the holder body is moved in the removal direction of the signal transmission medium;
A second contact portion that engages with a part of the signal transmission medium and moves the signal transmission medium in the removal direction when the holder body is moved in the removal direction of the signal transmission medium;
An electrical connector attachment comprising:   When the holder main body is moved in the removal direction, the second contact portion engages with the signal transmission medium after the lock portion is released by the first contact portion. The electrical connector attachment according to claim 1.   When the holder body is moved in the insertion direction of the signal transmission medium, the signal transmission medium is inserted into the electrical connector after the lock portion is released by the first contact portion. The electrical connector attachment according to claim 1, wherein the electrical connector attachment is made.   The first abutment portion includes one guide operation surface that abuts on the lock release operation portion when the holder body is moved in the removal direction, and the first contact portion when the holder body is moved in the insertion direction. The electrical connector attachment according to claim 1, further comprising: another guide operation surface that abuts the lock release operation portion.   In the signal transmission medium, a holder engagement portion to which the second contact portion is engaged and a lock engagement portion to which the lock portion is engaged each cut a part of the signal transmission medium. The electrical connector attachment according to claim 1, wherein the electrical connector attachment is provided so as to lack. The second contact portion is formed from a protruding portion that engages with the holder engaging portion,
The protruding portion constituting the second abutting portion engages with one end edge of the holder engaging portion when the holder main body is moved in the removal direction of the signal transmission medium, and the holder main body is 2. The electrical connector attachment according to claim 1, wherein the electrical connector attachment is configured to engage with the other end edge of the holder engaging portion when moved in the insertion direction of the signal transmission medium. The holder body has a medium insertion path into which the signal transmission medium is inserted,
The inner wall surface that constitutes the medium insertion passage is provided with a biasing projection that guides the signal transmission medium so as to contact the inner wall surface on the other side facing the inner wall surface. The electrical connector attachment according to claim 1. Protruding portions constituting the second contact portion are provided on the inner wall surface on the other side of the medium insertion path,
8. The projecting portion constituting the second contact portion and the one-side projection portion are arranged so as to sandwich the signal transmission medium from both sides in the connector front-rear direction. Attachment for electrical connector.   The electrical connector attachment according to claim 7, wherein the one-side protruding protrusion is disposed so that the second abutting portion sandwiches the one-side protruding protrusion from both sides in the connector longitudinal direction.   An electrical connector device comprising: the electrical connector attachment according to any one of claims 1 to 9; and an electrical connector to which the electrical connector attachment is attached. 11. The electrical connector device according to claim 10, wherein the electrical connector includes a pair of the lock portion and the lock release operation portion at positions corresponding to both side portions in the plate width direction of the signal transmission medium. .

Images