JP2002117931A - Connector with shutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector with a shutter excellent in assembling workability, and preventing the shutter from unnecessarily opening, by a locking mechanism. SOLUTION: In this connector with shutter, a socket 10 and a plug 11 are connected by opening a shutter 13 opened in association with the connecting operation. The connector is provided with a lock cover 14 freely opening and closing by swing, for locking the shutter 13 against its opening by slide during closure of the shutter 13, and for releasing a lock of the shutter 13 in association of the connecting operation of the plug 1 to the socket 10. The shutter 13 and the lock cover 14 are directly attached to a housing 12 of the socket 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a connector with a shutter mainly used for connecting an AV device such as a video camera to another device.

[0002]

2. Description of the Related Art In a connector with a shutter, a socket is provided on a power supply side, and a plug is attached to a power supply side of a video camera or the like. Also, transmission and reception of signals may be performed at the same time. For example, when charging the video camera, the socket is connected to the charger, and the internal battery is charged by connecting the plug of the video camera to the socket.

[0003] In such a case, if the conductor comes into contact with the contact terminal of the socket or dust enters, an accident such as a short circuit or poor contact occurs. So, when not in use,
There is a known shutter in which a shutter is opened, a video camera is fitted and slid, the shutter is opened, and a contact terminal of a plug contacts a contact terminal of a socket (Japanese Patent No. 2949172).

[0004]

In a conventional connector with a shutter, assuming that the contact terminal is attached to the housing, the shutter is attached to a separate box surrounding the connector with the shutter. Since the mounted housing and the shutter that opens and closes the contact terminals are provided separately, alignment between the mounting position of the contact terminals and the open / close position of the shutter cannot be performed unless assembly to the box is completed. There was a problem that assembly workability was not good.

[0005] Further, since the shutter has no lock mechanism, the shutter may be opened due to a touch with a hand, a device, or the like, which may cause the contact terminal to be exposed or protruded. This could cause an accident.

The present invention does not require alignment between the mounting position of the contact terminal and the opening / closing position of the shutter, is excellent in assembling workability, and prevents the shutter from being unnecessarily opened by the lock mechanism. It is an object of the present invention to provide a connector with a shutter.

[0007]

According to the first aspect of the present invention, the contact terminal of the socket is covered with a shutter, and the shutter is opened in conjunction with a connection operation between the socket and the plug. In the connector with a shutter to be connected, a lock cover 14 is provided to lock the opening of the shutter 13 when the shutter 13 is closed and to unlock the shutter 13 in conjunction with the connection operation between the plug 11 and the socket 10. It is.
With such a configuration, the shutter 13 cannot be opened unless the lock by the lock cover 14 is released, thereby preventing unnecessary opening of the shutter 13.

The invention according to claim 2 is a shutter
Is provided so that it can be opened and closed by sliding, and the lock cover 14
Is provided so as to be openable and closable by a swing, and when the shutter 13 is closed, the locking projection 40 of the lock cover 14
And is locked by engaging with the locking concave portion 33. With such a configuration, the lock cover 14 that opens and closes by swinging and the shutter 13 that opens and closes by sliding can be arranged on the same plane, so that the overall thickness can be reduced. The opening and closing movements of the lock cover 14 are made different from each other to prevent the shutter 13 from being unnecessarily opened.

According to a third aspect of the present invention, the shutter
The engaging projection 32 provided on the shutter 13 is connected to the engaging recess 21 of the housing 12 to which the plurality of contact terminals 16 are attached.
The lock cover 14 is provided so that it can be opened and closed by sliding and closed by a spring 15. The lock cover 14 can be freely opened and closed by swinging a shaft 36 provided on the lock cover 14 into the shaft hole 26 at the front end of the housing 12. Closed by the spring 37, the locking projection 40 of the lock cover 14
Are provided so as to be engaged with the locking recesses 33 of the shutter 13 to lock the shutter 13. With such a configuration, the position of attaching the contact terminal 16 and the opening / closing position of the shutter 13 are accurate without having to be aligned, and the assembling workability is excellent.

According to a fourth aspect of the present invention, the lock cover 14 is operated by swinging only by the insertion operation for connection between the socket 10 and the plug 11, and the shutter 13 is released while the locked state with the shutter 13 is released. The slide is opened. With such a configuration, the insertion operation for connecting the socket 10 and the plug 11 is one linear operation, and the lock cover 1
The opening and closing of the shutter 4 and the shutter 13 can be controlled.

According to a fifth aspect of the present invention, the socket 10 is mounted on the printed circuit board 17 together with the locking metal fitting 30, the plug 11 is mounted on the printed circuit board 51 together with the locking metal fitting 53, and the plug 11 is connected to the socket 10. The insertion direction is regulated by engaging an engaging piece 54 of the locking fitting 53 with an engaging piece 41 of the locking fitting 30. With this configuration, when the shutter 13 is opened by sliding during the insertion operation for connection between the socket 10 and the plug 11, the shutter 1
3 moves so as to penetrate into the inside of the locking fitting 30, so that the overall thickness can be made thinner,
Dust can be prevented from entering the opened shutter 13, and the reliability of the electrical connection between the plug 11 and the socket 10 can be further improved by the locking fitting 53 and the locking fitting 30.

[0012]

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In FIG. 3, reference numeral 10 denotes a socket according to the present invention. The socket 10 and a plug 11 that comes into contact with and separate from the socket 10 constitute a connector with a shutter.

A detailed configuration of the socket 10 will be described with reference to FIGS. The socket 10 includes a thin rectangular frame-shaped housing 12 and a housing 1.
A plurality of contact terminals 16 arranged at regular intervals at the front end of
A shutter 13 that slides on the housing 12, a spring 15 that urges the shutter 13 in a closing direction, a lock cover 14 that locks the shutter 13 in a closed state, and a lock direction that locks the lock cover 14 in the locking direction. , Which are attached to the printed circuit board 17 and are surrounded by the locking fitting 30. The locking fitting 30 and the shutter 13
Are formed on substantially the same plane so that there is no step, so that the overall shape is as thin as possible.

The housing 12 includes a front terminal mounting frame 18, left and right side frames 19, and a rear spring support frame 2.
0, and is formed in a rectangular frame shape.
A plurality of narrow hook-shaped contact terminals 16 are attached at predetermined intervals, and the upper surface of the contact terminals 16 is exposed so as to slightly protrude from the upper portion of the terminal mounting frame portion 18. The rear end portion is arranged so as to coincide with the bottom surface of the terminal mounting frame portion 18, and is connected to a printed wiring 45 formed on the printed circuit board 17 by solder 46. Further, a guide inclined surface 28 for guiding insertion of the plug 11 is formed at both sides of the contact terminal 16 on the upper surface of the terminal mounting frame portion 18. The side frame 19 is
The front side is slightly thicker, and the rear side is thinner. An inclined surface portion 23 is formed in the middle of these portions, and two engaging recesses 21 inclined from the outer surface to the bottom of the side frame portion 19 are formed by notches. Have been. The inclined surface portion 23 includes a shutter 1
When the opening 3 is opened, it slides so as to penetrate into the inside of the locking fitting 30. The spring support frame portion 20 is formed with two spring holding protrusions 22 for holding a curved portion of the spring 15 at a substantially central portion on the inside.

At both ends of the front surface of the terminal mounting frame portion 18, L-shaped connecting plate portions 25 are provided toward both outer sides,
A lock cover support 24 is provided integrally with the connecting plate 25. The front end of the upper surface of the lock cover support portion 24 forms an inclined surface, and the printed circuit board 1
A locking step 27 for positioning with respect to the shaft 7 is formed, and a lateral shaft hole 26 is further formed. Further, two spring holding projections 47 are integrally provided substantially at the center of the terminal mounting frame portion 18.

The shutter 13 is shown in FIGS.
As shown in (a) and (b), it has a thin plate shape, sliding portions 31 are formed on the lower surfaces on both sides, and the front surface forms an inclined surface and serves as a fitting portion 35 of the lock cover 14. I have.
A locking recess 33 is formed on the inner lower surface of the sliding portion 31 so as to face the fitting portion 35, and two engaging projections 32 projecting inward from the bottom of the sliding portion 31. The engagement protrusion 32 is provided in the engagement recess 21 of the housing 12.
Is to be engaged. A spring support 3 for supporting both ends of the spring 15 is provided on the rear side of the bottom surface of the shutter 13.
4 are formed.

The lock cover 14 is shown in FIGS.
As shown in (c), a shaft 36 inserted into the shaft hole 26 of the lock cover support portion 24 is formed in a thin plate shape having a width to be fitted to the fitting portion 35 of the shutter 13. Locking projection 40 engaging with locking recess 33 of shutter 13
And are provided integrally. A spring support portion 38 for supporting both ends of the spring 37 is provided on the bottom surface of the lock cover 14.
And a spring press-fit portion 39 for supporting the linear portion of the spring 37. The spring 37 is bent so as to have an angle θ (for example, 60 degrees) between the L-shaped portion at both ends and the central U-shaped portion, and the central U-shaped portion is fitted between the spring holding protrusions 47. Then, the lock cover 14 is raised with the shaft 36 as a fulcrum, and the locking projection 40 engages with the locking recess 33 to lock.

The printed circuit board 17 is provided with
Reference numeral 0 surrounds the socket 10, and is fixed at the mounting portions 44 at both ends of the socket 10 so as to be substantially flush with the upper surface of the socket 10 with a gap in three directions. The upper plate portion of the locking fitting 30 is cut out so that the plug 11 is inserted in the front side, and the cut-out edge is the stopper 42.
The lock cover 1 is provided at both ends of the front surface.
A guide portion 43 having an inclination corresponding to the inclined surface of the shutter 4 and the shutter 13 is formed, and an engagement piece 41 is formed from the guide portion 43 to the upper plate portion.

The plug 11 is shown in FIGS. 3, 4 and 5
As shown in FIG. 5, a plurality of insertion grooves 59 are formed in the rectangular parallelepiped housing 50 at the same pitch as the contact terminals 16.
The contact terminals 52 are fitted into each of these insertion grooves 59. The contact terminal 52 is entirely bent in a substantially S-shape, the contact portion 56 slightly protrudes upward from the insertion groove 59, the spring portion 57 is fitted into the insertion groove 59, and the connection portion 5
Reference numeral 8 protrudes from the rear and is connected to the printed wiring 45 of the printed circuit board 51 by solder 46.

A lock fitting 53 is attached to the printed board 51 to which the plug 11 is attached so as to surround the plug 11. The mounting portion 55 of the locking fitting 53 is fixed to the printed circuit board 51, and on both sides, an engaging piece 5 engaging with the engaging piece 41 of the locking fitting 30 is provided.
4 is formed in a state of being bent outward.

Next, the operation of the connection between the socket 10 and the plug 11 will be described. In an initial state, the shutter 13 of the socket 10 is pushed forward by the spring 15 and
Is moved to the front end of the engaging concave portion 21 formed in the housing 12, and the lock cover 14 is rotated upward by the spring 37 around the shaft 36 as a fulcrum. It is engaged with the locking recess 33 of the shutter 13.
Therefore, as shown in FIG. 3, the contact terminal 16 is completely covered from the outside, and the sliding movement of the shutter 13 is locked.

In this state, as shown in FIG. 3, FIG. 5 (a), and FIG. 6, the engagement piece 54 is inserted into the engagement piece 41 with the contact portion 56 of the plug 11 facing downward. Then, the distal end portion of the housing 50 of the plug 11 pushes the lock cover 14 against the spring 37, so that the lock cover 14 pivots downward about the shaft 36, and the locking projection 4
0 comes off the locking recess 33. When the plug 11 is further pushed in with the locking projection 40 disengaged from the locking recess 33,
The engagement piece 54 moves along the lower surface of the engagement piece 41, and the housing 50 pushes the front end portion of the shutter 13.

The shutter 13 pushed in by the housing 50 engages the spring 15 while the sliding portion 31 slides on the side frame portion 19 while the engaging projection 32 is fitted into the engaging concave portion 21. It is further pushed inward of the fitting 30. At this time,
The lock cover 14 is held down by the lower surface of the housing 50. Since the plug 11 pushes the shutter 13 to expose the contact terminal 16, the contact terminal 52 is exposed.
The contact portion 56 is pressed against the contact terminal 16 by the elasticity of the spring portion 57 to be electrically connected. When the plug 11 is further pushed in, the front end of the housing 50 comes into contact with the stopper 42 and stops. At this time, the shutter 13 is urged in the closing direction by the spring 15, but the plug 11 is urged upward by a large number of contact terminals 52 by pressing against the contact terminals 16, so that the shutter 13 engages with the engagement piece 54. The pieces 41 are stably connected to each other while being engaged and pressed by the large number of contact terminals 52. Further, the sliding portion 31 of the shutter 13 is
The sliding bracket 23 slides down the inclined surface portion 23 of the side
Is pushed inward and stored.

Next, when the plug 11 is pulled out from the socket 10, the shutter 13 rises while sliding on the inclined surface portion 23 with the spring 15 following the pulling-out movement of the housing 50, and moves to the notch portion on the upper surface of the locking fitting 30. The contact terminal 16 floats and closes. When the plug 11 is further pulled out when the shutter 13 is completely closed, the lock cover 14 is urged by the spring 37 to rotate upward, and when the plug 11 is completely pulled out, the locking projection 40 is moved. Engagement with the locking recess 33 locks the movement of the shutter 13. In this state, the shutter 13 cannot perform the sliding opening / closing operation, and the shutter 13 does not open due to a touch with a hand or a device, and the contact terminal 16 is not exposed or protruded.

[0025]

According to the first aspect of the invention, when the shutter 13 is closed, the opening of the shutter 13 is locked,
Since the lock cover 14 that unlocks the shutter 13 in conjunction with the connection operation between the plug 11 and the socket 10 is provided, the shutter 13 cannot be opened unless the lock by the lock cover 14 is released, and the shutter 13 is unnecessarily opened. Opening can be prevented, and short circuit accidents, contact accidents, intrusion of dust, etc. can be prevented.

According to the second aspect of the present invention, the shutter 13 is provided so as to be freely opened and closed by sliding, the lock cover 14 is provided so as to be freely opened and closed by swing, and the shutter 13 is provided.
When the lock is closed, the locking projections 40 of the lock cover 14 engage with the locking recesses 33 of the shutter 13 to lock, so that the lock cover 14 that opens and closes by swinging and the shutter 13 that opens and closes by sliding, Since they can be arranged on the same plane, the overall thickness can be made thinner, and the movement of the shutter 13 and the lock cover 14 at the time of opening and closing can be made different, so that unnecessary opening of the shutter 13 can be further prevented.

According to the third aspect of the present invention, the shutter 13 can be freely opened and closed by sliding the engagement protrusion 32 provided on the shutter 13 into the engagement recess 21 of the housing 12 to which the plurality of contact terminals 16 are attached. The lock cover 14 is provided so as to be closed by a spring 15, and the lock cover 14 can be freely opened and closed by swinging a shaft 36 provided on the lock cover 14 in the shaft hole 26 at the front end of the housing 12, and is closed by a spring 37. At the same time, the locking projection 40 of the lock cover 14 is provided so as to be engaged with the locking recess 33 of the shutter 13 so as to lock the shutter 13. Can be provided without the need for positioning, and with excellent assembling workability.

According to the fourth aspect of the present invention, the lock cover 14 is operated by swinging only by the insertion operation for connecting the socket 10 and the plug 11 to the shutter 13.
The shutter 13 is opened by sliding while releasing the lock state between the socket 10 and the plug 11, so that the insertion operation for connecting the socket 10 and the plug 11 is one linear operation, and the lock cover 14 and the shutter 13 are connected to each other. Opening and closing can be controlled.

According to the fifth aspect of the present invention, the socket 10 is mounted on the printed circuit board 17 together with the locking metal fittings 30, the plug 11 is mounted on the printed circuit board 51 together with the locking metal fittings 53, and the connection between the plug 11 and the socket 10 is established. Of the connection between the socket 10 and the plug 11 is restricted by engaging the engagement piece 54 of the locking fitting 53 with the engaging piece 41 of the locking fitting 30. When the shutter 13 is opened by sliding at the time of the insertion operation, the shutter 13 moves so as to penetrate into the inside of the locking fitting 30, so that the overall thickness can be made thinner and the opened shutter 13 Dust can be prevented from entering inside, and the electrical connection between the plug 11 and the socket 10 can be improved more reliably by the locking fitting 53 and the locking fitting 30. You.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a socket 10 in a connector with a shutter according to the present invention.

2A is a bottom view of the shutter 13 in FIG. 1, FIG. 2B is a partial perspective view of the shutter 13 in FIG. 1, viewed from the bottom, and FIG. It is the perspective view seen from the bottom.

FIG. 3 is a perspective view of a socket 10 and a plug 11 in the connector with shutter according to the present invention.

FIG. 4 is a perspective view of a plug 11;

5A is a cross-sectional view before the connection between the plug 11 and the socket 10, and FIG. 5B is a cross-sectional view after the connection between the plug 11 and the socket 10. FIG.

FIG. 6 shows a socket 1 of the connector with shutter according to the present invention.
It is a front view when plug 11 (chain line) is connected to 0 (solid line).

[Explanation of symbols]

10: Socket, 11: Plug, 12: Housing, 1
3 ... Shutter, 14 ... Lock cover, 15 ... Spring, 16
... contact terminal, 17 ... printed circuit board, 18 ... terminal mounting frame, 19 ... side frame, 20 ... spring support frame, 21 ... engagement concave part, 22 ... spring holding projection, 23 ... inclined surface part, 24 ... lock Cover support part, 25 ... Connecting plate part, 26 ... Shaft hole, 27 ...
Locking step portion, 28: guide inclined surface, 29: bracket mounting hole,
Reference numeral 30: locking bracket, 31: sliding portion, 32: engaging projection, 33
... locking recess, 34 ... spring support part, 35 ... fitting part, 36 ...
Shaft, 37: spring, 38: spring support portion, 39: spring press-fit portion, 40: locking projection, 41: engagement piece, 42: stopper,
43: guide portion, 44: mounting portion, 45: printed wiring, 46: solder, 47: spring holding projection, 50: housing, 51: printed circuit board, 52: contact terminal, 53: locking metal fitting, 54: engagement Piece, 55: mounting part, 56: contact part,
57: spring portion, 58: connection portion, 59: insertion groove.

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5E021 FA05 FA14 FA16 FB02 FB16 FC32 FC36 HC11 5E023 AA04 AA16 BB22 CC05 CC23 CC24 CC26 DD25 DD28 EE08 EE19 GG02 GG03 GG04 GG08 GG10 HH09 HH16 HH17 FF18 LL11 LL08 LL34 MM02 MM12 QQ06 RR04 RR08 RR13 RR25

Claims (5)

[Claims] 1. A connector with a shutter, wherein a contact terminal 16 of a socket 10 is covered with a shutter 13, and the shutter 13 is opened and connected in conjunction with a connection operation between the socket 10 and a plug 11. A shutter-equipped connector characterized by comprising a lock cover (14) for locking the opening of the shutter (13) when the shutter (13) is closed and unlocking the shutter (13) in conjunction with the connection operation between the plug (11) and the socket (10). 2. The shutter 13 is provided so as to be freely opened and closed by sliding, the lock cover 14 is provided so as to be freely opened and closed by swinging, and when the shutter 13 is closed, the locking projection 40 of the lock cover 14 2. The connector with a shutter according to claim 1, wherein said connector is engaged with and locked. 3. The shutter 13 is slidably openable and closable by a spring 15 with an engagement projection 32 provided on the shutter 13 in an engagement recess 21 of the housing 12 to which a plurality of contact terminals 16 are attached. The lock cover 14 can be freely opened and closed by swinging a shaft 36 provided on the lock cover 14 into the shaft hole 26 at the front end of the housing 12, closed by a spring 37, and locked by the lock cover 14. The connector with a shutter according to claim 1, wherein the projection (40) is provided so as to be engaged with the locking concave portion (33) of the shutter (13) to lock the shutter (13). 4. The shutter 13 is opened by sliding while releasing the locked state with the shutter 13 by swinging the lock cover 14 only by the insertion operation for connection between the socket 10 and the plug 11. The connector with a shutter according to claim 1, wherein: 5. The socket 10 is attached to the printed circuit board 17 together with the locking metal fitting 30, and the plug 11 is attached to the printed circuit board 5.
1 and the engaging piece 54 of the locking fitting 53 is engaged with the engaging piece 41 of the locking fitting 30 in the inserting direction for connecting the plug 11 and the socket 10. The connector with a shutter according to claim 1, 2, 3 or 4, characterized in that the connector is controlled by performing the following.