KR20090113188A - Connector - Google Patents

Abstract

PURPOSE: A connector connecting on a connection unit of a flexible print substrate is provided to prevent separation of an operation lever and fix a protrusion for separation prevention. CONSTITUTION: A base(11) has an opening. The base establishes an insertion hole of a plurality of annexes. A connection terminal(20) protrudes the operating chip. The connection terminal inserts one end of a fixed contact point into the inserting hole. An operation lever(30) inserts a cam unit to a concave unit on upper side of the connection terminal. The operation lever is a manipulation receiver unit.

Description

Connector {CONNECTOR}

TECHNICAL FIELD The present invention relates to a connector, in particular a connector for connecting to a connection portion provided at the tip end of a flexible printed circuit board.

Conventionally, as a connector, as shown in patent document 1, there exists a thing which detachably fits with a flexible printed circuit board (FPC) or a flexible flat cable (FFC), for example. The connector includes a required number of contacts having a contact portion in contact with the flexible printed circuit board or the flexible flat cable, a fitting in which the flexible printed circuit board or the flexible flat cable is inserted while the contact is held and fixed. And a slider for pressing the flexible printed circuit board (FPC) or the flexible flat cable (FFC) to the contact.

In the connector, an elastic portion and a point portion are provided between the contact portion and the contact portion of the contact, and the contact portion, the elastic portion, the point portion, and the contact portion are arranged in a rough crank shape, and are opposed to the contact portion. A press receiving part extending from the elastic part is provided at a position, and a pressing part extending in the longitudinal direction is provided on the slider, and the pressing part freely mounts the slider to the housing between the contact part and the pressing part of the contact. have.

Patent Document 1: Japanese Patent Application Laid-Open No. 2004-71160

However, in the above-described connector, for example, as shown in Figs. 2A and 2B of Patent Document 1, when the FPC 40 is connected, when it rotates to lock the operation lever which is the slider 16, the horizontal component force of the rotation operation force It is loaded. For this reason, the said operation lever is easy to fall out from the base which is the housing 12. In particular, when the operation lever is dropped, stress tends to concentrate on the point portion 32 of the contact 14, and the elastic portion 34 is plastically deformed, resulting in a problem in that it is impossible to connect.

In view of the above problems, an object of the present invention is to provide a connector in which the operating lever does not drop from the base and the connection terminal does not plastically deform even when a horizontal component of the rotational operating force acts on the operating lever.

In order to solve the said subject, the connector which concerns on this invention has the opening part which can insert the front-end | tip of a flexible printed circuit board at the front, and provided the some insertion hole which penetrates the back surface from the said front side at predetermined pitch. While roughing the T-shaped operation piece which has a movable contact which can be pressed against the base and the connection part provided in the front-end | tip of the said flexible printed circuit board at one end, one end which becomes a fixed contact is back to the said insertion hole. With the operation lever which can be connected to the connection terminal inserted from the side, and the cam part to the rotation recess provided in the upper side of the connection terminal, it becomes a rotation point, and the operation receiving part located in the other end of the said operation piece can be driven by the said cam part. A connector made of the connector, which is pulled out on the upper side of the connecting terminal when the locking operation is completed by rotating the operation lever. The prevention projection has a configuration in which the contacting portion for regulating position provided on the lower surface of the operation lever is fixed to prevent it from falling out.

According to the present invention, in the case of locking the operation lever, even if the horizontal component of the rotation operation force acts on the operation lever, the contacting portion for position regulation provided on the operation lever is coupled to the release preventing protrusion provided on the upper side of the connection terminal. It is fixed and prevented from coming off, and the operation lever does not fall out.

In addition, since the operation lever does not escape in the horizontal direction, excessive load does not act on the connection terminal, and plastic deformation of the connection terminal can be prevented.

Moreover, since the contact part for position regulation of an operation lever is position-controlled by the protrusion prevention prevention protrusion of a connection terminal, the positioning accuracy of the operation lever at the completion of a lock operation improves, and the position accuracy of a contact improves, and therefore contact reliability becomes high.

As an embodiment of the present invention, a position regulating recess may be formed between the other end of the connecting terminal and the recessed portion for rotation, to which the position regulating contact portion of the operation lever is fitted.

According to the present embodiment, the contacting portion for position regulation of the operation lever is fitted into the recess for positioning position of the connection terminal, so that the height dimension of the connection terminal, and further, the height dimension of the entire connector, is not increased. Can be prevented from falling off.

As an embodiment of the present invention, a fall prevention convex portion is formed between the projection preventing portion of the connecting terminal and the turning recess, and at a position adjacent to the turning recess to contact the cam portion of the operation lever to regulate the position. You may make a structure.

According to this embodiment, since the cam part of an operation lever is positionally regulated in the horizontal direction by the fall prevention convex part of a connection terminal, an operation lever becomes hard to fall further.

As embodiment of this invention, you may be set as the structure which connected and integrated the several positional contact part of the control lever provided in parallel so that it may continue on the same shaft center.

According to this embodiment, intensity | strength can be raised, ensuring the operability of an operation lever.

In the embodiment of the present invention, the coupling fixing portion is provided on the projection preventing portion of the connecting terminal, and the coupling fixing receiving portion which can be fixedly coupled to the coupling fixing portion is formed in the contact portion for position control of the operation lever. good.

According to this embodiment, while an operation lever becomes hard to drop further, there exists an effect that an operation feeling improves.

EMBODIMENT OF THE INVENTION Embodiment which concerns on this invention is described according to attached drawing of FIGS.

As shown in Figs. 1 to 3, the connector 10 according to the first embodiment is formed of a base 11, a connecting terminal 20, and an operation lever 30, and is flexible printed. The board | substrate (FPC) 40 can be detachably connected (FIGS. 4 and 5).

As shown in Figs. 6A and 6B, the base 11 extends the elastic arm portions 12 and 12 in parallel to the back side from one side edges of both end surfaces thereof. In addition, the insertion hole 13 which penetrates from the back face to the front face is provided in a predetermined pitch.

In addition, as shown to FIG. 6A, the guide taper surface 12a is formed in the front edge of the inward surface of the said elastic arm part 12, and the bearing part is located in the inner side. 12b is formed. In addition, the base 11 has a guide plate 14 extending from the lower edge portion of the rear surface thereof to the elastic arm portions 12 and 12, and the insertion hole (in the upper surface of the guide plate 14). The guide groove part 14a which communicates with 13 each is provided in parallel. A recess preventing portion 15 is formed in the lower base portion of the insertion hole 13 to communicate with the insertion hole 13 and to prevent the connection terminal 20 described later from being pulled out. have.

On the other hand, as shown to FIG. 6B, the said base 11 has the opening part 11a which can insert the flexible printed circuit board 40 mentioned later in the front side. In addition, the base 11 press-fits and supports the support brackets 16 and 16 for preventing the lifting during the substrate mounting, respectively, in the press-fit grooves 11b provided on both side edges of the front side. (Figures 2, 3).

As shown in FIG. 7, the connecting terminal 20 can insert the fixed contact point 20a provided in the one end part into the insertion hole 13 of the said base 11, and the support part 21 from the intermediate part. The roughly T-shaped operation piece 22 which has () is protruded, and the pawl part 23 for engagement fixing is provided in the lower edge of the other end part 20b. The movable contact 22a protrudes downward from one end of the said operation piece 22, and the other end is made into the operation receiving part 22b. Further, the connection terminal 20 protrudes the base portion of the support portion 21 in the plate thickness direction to form a fall prevention pole portion 24. In addition, in the upper edge portion located between the other end portion 20b and the fall prevention pawl portion 24, the fall prevention protrusion 25, the position regulating portion 26, the fall prevention convex portion 27 and the concave for rotation The part 28 is formed.

As shown in FIG. 8, the operation lever 30 protrudes the rotating shaft portions 31 and 31 on the same shaft center in both end surfaces. Moreover, the said operation lever 30 arrange | positions the cam part 32 which operates the operation receiving part 22b of the connection terminal 20 in one side edge part at the predetermined pitch, and the said cam part 32 The through-hole 33 for inserting the said operation piece 22 in the position corresponding to this is provided in parallel. Moreover, the said operation lever 30 forms the contact part 34 for position regulation which abuts on the position control part 26 of the said connection terminal 20 in the position adjacent to the said through-hole 33. As shown in FIG. The position regulating contact portion 34 is in contact with the position regulating portion 26 of the connection terminal 20 immediately after or after completion of the rotation operation of the operation lever 30. It has a lower end surface which can prevent the fall by over-rotation of (30). In addition, since the contact portion 34 for position regulation is connected so as to be continuous on the same axis, it is possible to maintain strength while maintaining operability. Moreover, since the said operation lever 30 forms the operation taper surface 35 in the other one side edge, and is notching, even if the operation lever 30 becomes small, operation of unlocking by a finger etc. is It is easy.

In addition, as shown in FIGS. 4 and 5, the FPC 40 connected to the connector 10 of the present embodiment prints the connection portion 41 to the distal end thereof.

The assembly method of the connector 10 which consists of the above-mentioned components is demonstrated.

First, one end portion 20a of the connecting terminal 20 is inserted into the insertion hole 13 along the guide groove portion 14a of the guide plate 14 from the back side of the base 11. As a result, the fall prevention pawl portion 24 provided on the connection terminal 20 is fixed to the ceiling surface of the fall prevention recess portion 15 of the base 11, and the pawl portion 26 for the fixing fixing portion is coupled to the base. Coupling is fixed to the edge of (11) and positioned.

Subsequently, the operation receiving part 22b of the connection terminal 20 is respectively inserted into the through hole 33 of the operation lever 30, and the operation lever 30 is moved along the upper side of the connection terminal 20. As shown in FIG. It slides and pushes the operation receiving part 22b with the cam part 32 in the state to elastically deform. As a result, the cam portion 32 fits into the pivoting recess 28 of the connecting terminal 20, and the pivot shaft 31 passes through the guide taper surface 12a of the base 11 to receive the bearing. It fits in the part 12b, and the said operation lever 30 is supported so that rotation is possible (FIG. 9).

According to the present embodiment, as shown in FIGS. 10 and 11, even when the operation lever 30 is to be rotated to the lock side, the contact portion 34 for position regulation of the operation lever 30 is connected to the connection terminal 20. A position control part 26 is contacted, and position control is carried out. For this reason, dropping by over-rotation which may occur when the operation lever 30 is rotated can be prevented.

In addition, as shown in FIG. 11, since in this embodiment, even if the horizontal component of rotation operation force is loaded on the operation lever 30, the contact part 34 for position regulation is fixed to the release prevention protrusion 25, and is fixed. The operation lever 30 does not fall off to the side.

Moreover, since the fall prevention convex part 27 is arrange | positioned immediately after the rotation recessed part 28, the cam part 32 of the operation lever 30 contacts the said fall prevention convex part 27, and is further There is an advantage of being difficult to drop out.

Next, a method of connecting the flexible printed circuit board 40 to the connector 10 will be described with reference to FIGS. 9 to 12.

First, as shown in FIG. 9, the connection part 41 of the flexible printed circuit board 40 is inserted in the opening part 11a of the said base 11 until it hits the inner surface of the said base 11 (FIG. 10). Subsequently, when the operation lever 30 is rotated about the shaft center of the rotation shaft part 31 and pushed down, as shown in FIG. 11, the cam part 32 is the operation receiving part 22b of the connection terminal 20. As shown in FIG. Push it up. For this reason, the T-shaped contact piece 22 inclines with the support part 21 as a point, and the movable contact 22a comes into contact with the connection part 41 of the flexible printed circuit board 40, and it conducts. Further, even when the operation lever 30 is to be rotated further, the position regulating contact portion 34 abuts on the position regulating portion 26 of the connection terminal 20, thereby overrotating the operation lever 30. It can prevent the fall off.

In this embodiment, when the rotation operation of the operation lever 30 is completed, the contact-regulating portion 34 for regulating the position of the operation lever 30 is engaged with the projection 25 for preventing the release of the connection terminal 20. For this reason, even if the horizontal component of rotation operation force acts on the operation lever 30, the fall of the said operation lever 30 can be prevented reliably.

Moreover, since the cross section of the said cam part 32 is an elliptical shape, when rotating by a predetermined angle, a rotation moment will change rapidly and a reliable operation feeling can be obtained.

On the other hand, in the case where the flexible printed circuit board 40 is detached from the connector 10, the cam portion 32 is reversed by rotating the operation lever 30 in the reverse direction as described above, thereby connecting the connection terminal 20. Release the bending moment to the operation receiving portion 22b, release the connection state of the movable contact 22a to the connection portion 41 of the flexible printed circuit board 40, and then It is taken out from the base 11.

As shown in FIG. 12, 2nd Embodiment is substantially the same as 1st Embodiment mentioned above, The same code | symbol is attached | subjected to the same part, and description is abbreviate | omitted.

The present embodiment differs from the first embodiment in that the second protruding portion 27a for preventing fall is provided at a position adjacent to the anti-separating protrusion 27. As a result, the position regulating contact portion 34 of the operation lever 30 is positioned in the horizontal direction by the release preventing convex portion 27 and the release preventing second convex portion 27a, and the position of the operating lever 30 The advantage is that you can regulate rattling more reliably.

As shown in FIG. 13, 3rd Embodiment is substantially the same as that of 1st Embodiment mentioned above, A difference is that the recessed part 29 for position regulation is provided in the upper edge part of the connection terminal 20. As shown in FIG. In addition, the same number is attached | subjected to the same part, and description is abbreviate | omitted.

According to the present embodiment, the bottom surface of the position regulating recess 29 is brought into contact with the bottom surface of the contact regulating portion 34 of the position control lever 30, thereby causing the operation lever 30 to fall off. Can be prevented.

In addition, it is possible to increase the interference dimension with respect to the contact portion 34 for regulating position of the operation lever 30. For this reason, by engaging and fixing the position regulating contact portion 34 to the inner surface of the position regulating recess 29, it is possible to prevent the operation lever 30 from falling off due to the horizontal component of the rotational manipulation force. have.

In addition, the height dimension of the connection terminal 20 and further, the height dimension of the whole connector 10 can be suppressed, and the thin connector 10 can be obtained.

As shown in FIG. 14 and FIG. 15, 4th Embodiment is substantially the same as that of 1st Embodiment mentioned above, The difference is the wall part 36 for position regulation in the outer peripheral edge of the lower surface of the operation lever 30. As shown in FIG. ) Since others are the same, the same part is attached | subjected with the same number and description is abbreviate | omitted.

According to this embodiment, since the rear end part 20b of the connection terminal 20 is covered with the said position regulation wall part 36, dustproofness improves and the short circuit between the terminals by a foreign material etc. can be prevented.

In the above-described embodiment, the case where the position regulating contact portion 34 of the operation lever 30 is brought into contact with the upper side of the connection terminal 20 has been described, but the position is regulated. By contacting the position regulating contact portion provided in the lever 30 with the upper surface of the guide plate 14 of the base 11, it may be possible to prevent the fall due to over-rotation.

In addition, while providing a coupling fixing portion on the position control contact portion 34 of the control lever 30, the coupling fixing receiving portion to be fixed to the coupling fixing portion to the projection preventing portion 25 of the connection terminal 20 to fall out. By providing, it becomes difficult to fall out more, and there exists an advantage that an operation feeling improves.

The connection preventing projection of the connecting terminal is not limited to the case where it is provided at the other end of the upper side, and may be formed between the rear end and the pivoting recess, in particular, in the vicinity of the part soldered to the wiring board. It is preferable to arrange | position to.

(Industrial availability)

The connector 10 according to the present invention is not limited to the above-described connector but may be applied to other connectors.

1A and 1B are perspective views before and after operation showing a first embodiment of a connector according to the present invention.

2A and 2B are perspective views seen from different angles showing before and after the operation of the connector shown in FIG. 1;

3 is an exploded perspective view of the connector shown in FIG. 1;

4 is a partially broken perspective view showing before and after mounting a flexible substrate to the connector shown in FIG. 1;

Fig. 5 is a partially broken perspective view seen from another angle showing before and after mounting a flexible printed board to the connector shown in Fig. 1;

6A and 6B are partially broken perspective views of the base shown in FIG. 3;

7A and 7B are a perspective view and a front view of the connection terminal shown in FIG.

8A, 8B and 8C are partially broken perspective views of the operation lever shown in FIG. 3;

9A and 9B are partially broken perspective views and front cross-sectional views for illustrating a method of operating a connector according to a first embodiment.

10A and 10B are partially broken perspective and front cross-sectional views for illustrating a method of operating a connector subsequent to FIG. 9.

11A and 11B are partially broken perspective views and front sectional views for explaining a method of operating a connector subsequent to FIG. 10.

12A and 12B are partial broken yarn attempts and front sectional views for explaining the connector according to the second embodiment.

13A and 13B are partially broken perspective views and front sectional views for illustrating the connector according to the third embodiment.

14A and 14B are partially broken perspective views and front sectional views for illustrating the connector according to the fourth embodiment.

15A and 15B are front sectional views and a partially broken perspective view of the connector after the pivoting operation according to the fourth embodiment, as viewed from below.

(Explanation of symbols for the main parts of the drawing)

10 connector 11 base

11a: opening 12: elastic arm

13: insertion hole 14: guide plate

14a: guide groove 15: recessed to prevent falling out

16: support bracket 20: connection terminal

20a: fixed contact point (one end) 20b: other end

21: support portion 22: operation piece

22a: movable contact 22b: operation receiving part

23: coupling fixing pole part 24: fall prevention pole part

25: fall prevention projections 26: position control

27: fall prevention convex portion 27a: fall prevention second convex portion

28: recessed part for rotation 29: recessed part for position control

30: operation lever 31: rotating shaft

32: cam portion 33: through hole

34: contact portion for position control 35: tapered surface for operation

36: wall for position control

40: flexible printed circuit board (FPC) 41: connection part

Claims (8)

The base which has the opening part which can insert the front-end | tip of a flexible printed circuit board at the front surface, and provided the insertion hole which penetrates the back surface from the said front surface at predetermined pitch, A connection terminal for protruding an approximately T-shaped operation piece having a movable contact capable of being press-contacted to the connecting portion provided at the distal end of the flexible printed circuit board at one end thereof, and inserting one end of the fixed contact point into the insertion hole from the rear side; , A connector comprising an operating lever capable of fitting a cam part to a pivoting recess provided on an upper side of a connecting terminal to form a pivoting point, and an operation receiving part positioned at the other end of the operation piece by the cam part. And locking the position preventing contact portion provided on the lower surface of the operation lever to prevent the release when the operation lever is rotated and the locking operation is completed, to the release preventing projection protruding from the upper side of the connection terminal. The method of claim 1, A connector for positioning a position between the other end of the connecting terminal and the recess for turning, wherein the position regulating contact portion of the operating lever is fitted. The method according to claim 1 or 2, And a release preventing convex portion for contacting the cam portion of the operation lever and regulating the position between the connection preventing projection and the turning recess and the position adjacent to the turning recess. The method according to claim 1 or 2, A connector comprising: a plurality of position regulating contact portions provided in parallel with the operation lever are integrated so as to be continuous on the same axis. The method of claim 3, wherein A connector comprising: a plurality of position regulating contact portions provided in parallel with the operation lever are integrated so as to be continuous on the same axis. The method according to claim 1 or 2, And a coupling fixing portion provided on a projection preventing portion of the connecting terminal, and a coupling fixing receiving portion that can be fixedly coupled to the coupling fixing portion is formed in a contact portion for position control of the operation lever. The method of claim 3, wherein And a coupling fixing portion provided on a projection preventing portion of the connecting terminal, and a coupling fixing receiving portion that can be fixedly coupled to the coupling fixing portion is formed in a contact portion for position control of the operation lever. The method of claim 4, wherein And a coupling fixing portion provided on a projection preventing portion of the connecting terminal, and a coupling fixing receiving portion that can be fixedly coupled to the coupling fixing portion is formed in a contact portion for position control of the operation lever.

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