JP2002184517A - Connection structure, connecting electric equipment with connection cord - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connection structure connecting an electric equipment to a connection cord and whose locking and releasing can be easily carried out by one touch. SOLUTION: The connection structure comprises a plugged-in side connection part 15 inside the receptacle opening 13 mounted to an electric equipment 11, and a connection cord 31 having a plug-in side connection part 33, which can be freely connected and disconnected with the plugged-in side connection part 15, at one end side 32. A lid plate part 24, pushed form inside in the direction of closing, contacting a peripheral part of opening 14 from inside to close the receptacle opening, and subordinately moving by touching the plug-in side connection part 33 when it is inserted, and a rocking plate 23 composed of an operation plate part 27 extended from the lid plate part 24, are arranged at the receptacle opening 13. The lid plate part 24 freely and automatically hitches to the plug-in side connection part 33 when the plug-in side connection part 33 is electrically connected to the plugged-in side connection part 15, and the operation plate part 27 freely releases the lid plate part 24 from the state of hitching to the plug-in side connection part 33.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technology relating to a connection structure between an electric device and a connection cord, which can easily perform a lock operation and a release operation with one touch.

[0002]

2. Description of the Related Art Conventionally, there are two types of connection structures between an electric device and a connection cord: one without a lock, which can be easily separated, and one with a lock, which cannot be easily separated without releasing a locked state. More proposed.

FIGS. 7A and 7B are explanatory views showing an example of a conventional connection structure between an electric device without a lock and a connection cord, wherein FIG. 7A shows a state before connection and FIG. 7B shows a state after connection. Are respectively shown.

According to FIG. 1, a terminal pin 3 is provided on one side panel portion 1a of the electric device 1 at the inner side of the insertion port 2 so as to project toward the insertion port 2. For pin 3,
The electrical connection can be made by simply inserting the socket 5 provided on the one end 4a side of the connection cord 4 from the insertion port 2 side.

However, the connection structure shown in FIG. 7 has a problem that the connection state is easily released when a force is applied to the connection cord 4 in the pull-out direction.

For this reason, a connection structure between an electric device with a lock and a connection cord as shown in FIG. 8, for example, has been proposed so that the connection state cannot be easily released. In addition, (a) in the figure shows the state before connection, and (b) shows the state after connection.

In this case, one side panel 6a of the electric device 6
In addition, a terminal pin 8 protrudes from the inside of the insertion port 7 toward the insertion port 7, and a pair of hook pieces 6 b, 6 b are disposed on the outer peripheral side of the insertion port 7. Has been established.

On the socket 10 side provided on one end 9a side of the connection cord 9, it is necessary to manually operate the respective latching pieces 6b when the socket 10 is inserted into the terminal pins 8. A step portion 10a is provided, which can be locked by engaging with each other.

[0009]

However, according to the connection structure with a lock shown in FIG.
Locking and releasing operations are not only necessary to manually engage the individual locking pieces 6b and to release them, but also to use both hands in some cases. There is a problem that the work becomes complicated and the workability is inferior.

The present invention has been made in view of the above-mentioned problems of the related art, and has as its object to provide a connection structure between an electric device and a connection cord which can easily perform a lock operation and a release operation with one touch.

[0011]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above-mentioned object, and has a plug-in side connection formed inside a plug-in port provided on one side panel of an electric device. And a connection cord having, on one end thereof, an insertion-side connection portion formed so as to be able to electrically connect and disconnect to and from the insertion-side connection portion via the insertion port. , At the outlet,
It is always urged in the closing direction from the inside to contact and close the inner opening edge side of the insertion port, and at the time of insertion, it comes into contact with the insertion side connection portion and is driven by the insertion side connection portion to follow the insertion side. A swing plate comprising: a cover plate portion that allows the operation; and an operation plate portion that extends from the one side panel portion so as to be exposed from the one side panel portion in a seesaw arrangement by interposing a shaft support portion with respect to the cover plate portion. A body is provided, and the lid plate portion of the swinging plate body is automatically connected to the insertion-side connection portion when the insertion-side connection portion is electrically connected to the insertion-side connection portion. It is characterized in that the hooking can be freely performed, and the operation plate portion can be freely released from the hooking state of the lid plate portion with respect to the insertion side connection portion.

In this case, the insertion-side connection portion is formed by a terminal pin projecting toward the insertion port, and the insertion-side connection portion is connected to the terminal pin through an introduction opening. And can be formed by a socket that is electrically connected by being inserted into the socket. Further, the insertion-side connection portion is formed by a socket provided with its introduction opening facing the insertion opening, and the insertion-side connection portion is inserted from the introduction opening side. It can also be formed by terminal pins that are electrically connected.

[0013]

FIG. 1 is a sectional view of an essential part showing an example of the present invention. For example, an electric device 11 provided with an appropriate function like a measuring instrument, and a panel portion on one side thereof is shown. 1
The insertion-side connection portion 15 provided inside the insertion port 13 provided in the connector 2 and the insertion-side connection portion 15 through the insertion port 13 are formed so as to freely contact and separate from each other. And a connection cord 31 having an insertion-side connection portion 33 on one end 32 side.

FIG. 1 shows an example in which the plugged-side connecting portion 15 is a power-supplied side and the plug-in-side connecting portion 33 is a power-supplying side. It is formed by terminal pins 16 protruding from the inner side toward the mouth 13 and connected to an appropriate electric circuit side of an electric circuit board 17 made of a printed wiring board or the like and connected to the base end 16a side. .

The insertion-side connecting portion 33 has a distal end surface 3.
5 is formed by a socket 34 internally provided with a contact portion 37 which is electrically connected to the terminal pin 16 introduced through an opening 36 provided in the socket 5.

It is to be noted that the plug-in side connection portion 15 is a power supply side,
When the insertion-side connection unit 33 is set to the power-supplied side, the illustration is omitted, but contrary to the example shown in FIG.
5 may be formed by a socket provided with its opening facing the insertion port 13, and the insertion-side connection portion may be formed by a terminal pin which is inserted into the socket and electrically connected thereto.

FIG. 2 is a front view showing an example of a panel cover 21 which is fitted on the side of the one-side panel portion 12 to form the insertion port 13. A notch 22 having a substantially convex shape used as 13 is provided.

FIG. 3 is a front view showing an example of a swinging plate 23 attached to the panel cover 21 in an arrangement relationship facing the notch portion 22 of the panel cover 21. The entire operation plate portion 27 located on the upper side has a convex shape substantially similar to the cutout portion 22.

The swinging plate 23 has a panel cover 2
In order to freely support the seesaw-like swinging motion of the cover plate 1 via the support shaft 29, a shaft support portion 28 is disposed in the width direction of the lid plate portion 24 located on the boundary side with the operation plate portion 27. ing. Further, the swing plate 23 has a lower edge 24
In addition to being provided with a thin portion 25 in the inner width direction of a that abuts on the side of the inner opening edge 14 of the insertion port 13 at the time of closing, a thin portion 25 is located slightly above the thin portion 25 and outwards in the front side width direction. A protruding portion 26 protruding is provided.

In this case, the swinging plate 23 is covered with the cover plate 24 in contact with the inside of the lower opening 13 a of the insertion port 13, and through the upper opening 13 b of the insertion port 13. The operation plate 27 is pivotally supported by the panel cover 21 under such an arrangement that the operation plate 27 can be tilted forward.

In addition, since the cover plate portion 24 is always urged in the closing direction from the inside thereof by the torsion coil spring 30 interposed therebetween, the swing plate 23 is inserted into the insertion port 1 when not in use.
3 is in contact with the inner opening edge 14 of the lower opening 13a to close it.

The cover plate 24 of the swinging plate 23
The socket 34 as the insertion-side connection part 33 is
As a result, the operation plate portion 27 is exposed from the upper opening portion 13b so that it can easily move in the opposite direction and tilt forward. Originally located.

Further, the cover plate portion 24 of the swinging plate body 23
When the socket 34 as the insertion-side connection portion 33 is inserted into the terminal pin 16 as the insertion-side connection portion 15 and electrically connected thereto, the automatic engagement with the socket 34 is freely formed. I have.

That is, as shown in FIG. 4, the socket 34 has at least one engaging groove 38 formed at a predetermined position on the front end side of one surface thereof in the width direction. Are formed in such a manner that they can be engaged with the projections 26 when pushed upward in the horizontal direction. The locking grooves 38 may be formed on both sides of the socket 34 one by one. Further, regarding the overall shape of the socket 34, the lower opening 13
What is necessary is just to be able to be sent from a and inserted into the terminal pin 16. Further, the notch edge 22 of the panel cover 21 is provided on the surface of the socket 34 at the end of the insertion.
It is desirable to provide a step portion 39 that comes into contact with a.

The operating plate 2 of the swinging plate 23
Reference numeral 7 is provided so as to freely release the hooked state between the socket 34 and the cover plate portion 24. Specifically, at the end of the insertion, the operation plate portion 24 is pushed up in the horizontal direction via the shaft support portion 28. As a result, the operation plate portion 27 also becomes horizontal and protrudes outward. In addition, the swing plate 23
Is the operating plate 2 when it is in the horizontal state as described above.
An extra space 18 is provided between the one-side panel 12 and the cover plate 24 in advance so that the cover plate 24 can be raised by pushing down the cover 7.

Next, the operation of the present invention having the above-mentioned structure will be described. Under the arrangement shown in FIG. Press against the 24 side. At this time, the swing plate 23
Since it is constantly urged from the inside to the closing direction via the torsion coil spring 30, it contacts the inside opening edge 14 of the lower opening 13a in the insertion port 13 via the thin portion 25 thereof. It touches and closes it.

When the socket 34 is pressed against the cover plate 24, the swinging plate 23 is moved to the pivot support 2 as shown in FIG.
The cover plate portion 24 swings in a seesaw shape around the center 8 and follows the feed direction of the socket 34.

The socket 34 is inserted into the terminal pin 16 serving as the insertion-side connection portion 15 through the opening portion 36, and secures an electrical connection state with the contact portion 37, and eventually the rear end side. And stops its movement under the arrangement shown in FIG. 5 (b).

At this time, the oscillating plate 23 has its cover plate 24 side inward and rearward against the urging force of the torsion coil spring 30.
As a result of the operation plate portion 27 moving in the opposite direction in a horizontal direction, the protrusion 26 of the cover plate portion 24 and the locking groove 38 of the socket 34 automatically engage with each other. Therefore, even if a force in the pull-out direction acts on the connection cord 31 side, there is no possibility that the electrical connection state with the electric device 11 will be released, and the use according to the function of the electric device 11 will not occur. Can be performed stably. In addition, at the time of automatic engagement, a click sound is generated by the urging force of the torsion coil spring 30, so that the socket 34 is
6 can also be confirmed audibly.

On the other hand, when the use according to the function of the electric equipment 11 is finished, when the swinging plate 23 is in the horizontal state, a margin is provided between the one side panel 12 and the cover plate 24. Space 18
As shown in FIG. 6A, the protrusion 26 of the cover plate 24 is engaged with the locking groove of the socket 34 by simply pressing down the operation plate 27 by the extra space 18. 38, the engagement between them can be easily released by one touch.

In this manner, the socket 34 and the cover plate 24
6B, after the operation plate portion 27 is pushed down as shown in FIG. 6B, the projecting portion of the socket 34 from the insertion-side connection portion 15 side is removed. By grasping and pulling out, the electrical connection relationship between the electric device 11 and the connection cord 31 can be easily eliminated.

Moreover, the insertion port 13 of the insertion-side connection portion 15
By releasing the pressing force on the operation plate portion 27, the lid is automatically closed by the lid plate portion 24 of the swinging plate body 23, thereby ensuring safety.

[0033]

As described above, according to the present invention, the insertion-side connection portion is inserted into the insertion-side connection portion while the lid plate portion is driven by pressing the insertion-side connection portion against the lid plate portion. And an electrical connection state can be obtained. At this time,
Since the lid plate portion is automatically engaged with the insertion-side connection portion and is in a locked state, even if a force in the pull-out direction acts on the connection cord side, the electrical connection between the connection device and the electric device is prevented. There is no danger of the connection state being released, and the use according to the function of the electric device can be performed stably.

Further, when the use according to the function of the electric device is completed, the engagement state between the cover plate portion and the insertion-side connection portion can be changed by one-touch by simply pushing down the operation plate portion side. It can be easily released.

Therefore, according to the present invention, the locking operation of the connection state between the electric device and the connection cord and the releasing operation thereof can be easily performed, and the workability can be improved. Further, since the insertion port of the insertion-side connection portion is always automatically closed by the cover plate portion of the swinging plate body when the insertion port is not used, it is possible to further ensure safety.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part showing an example of the present invention.

FIG. 2 is a front view showing an example of a panel cover according to the present invention.

FIG. 3 is a front view showing an example of a rocking plate according to the present invention.

FIG. 4 is a plan view showing an example of a socket according to the present invention.

FIGS. 5A and 5B are cross-sectional views of main parts illustrating a state when the insertion-side connection portion is inserted into the insertion-side connection portion according to the present invention, wherein FIG. Indicates the state after the insertion is completed.

FIGS. 6A and 6B are main-portion cross-sectional views illustrating a state where the insertion-side connection portion is pulled out from the insertion-side connection portion in the present invention, wherein FIG. Each state during the drawing is shown.

FIG. 7 is an explanatory view showing an example of a conventional connection structure between an electric device without a lock and a connection cord, wherein (a) shows a state before connection and (b) shows a state after connection. .

FIG. 8 is an explanatory view showing an example of a conventional connection structure between an electric device with a lock and a connection cord, in which (a) shows a state before connection and (b) shows a state after connection. .

[Explanation of symbols]

 1,6 Electrical equipment 1a, 6a One side panel part 6b Hook piece 2,7 Insertion port 3,8 Terminal pin 4,9 Connection cord 4a, 9a One end 5,10 Socket 10a Step part 11 Electrical equipment 12 One side panel Unit 13 Insertion port 13a Lower opening 13b Upper opening 14 Inner opening edge 15 Insertion-side connection part 16 Terminal pin 16a Base end 17 Electric circuit board 18 Extra space 21 Panel cover 22 Notch 22a Notch edge 23 Oscillating plate 24 Cover plate 24a Lower edge 25 Thin portion 26 Projection 27 Operation plate 28 Shaft support 29 Support shaft 30 Torsion coil spring 31 Connection cord 32 One end 33 Insertion side connection portion 34 Socket 35 Tip surface 36 Opening Part 37 Contact part 38 Hook groove 39 Step

Claims (3)

[Claims] An electrical connection between an insertion-side connection portion formed inside an insertion port provided on one side panel portion of an electric device and the insertion-side connection portion via the insertion port. A connection cord having an insertion-side connection portion formed at one end thereof so as to be able to freely contact and separate from the connection portion, and the insertion port is always urged from the inside in the closing direction to the insertion port. A lid plate portion that abuts against and closes the inner opening edge side of the mouth, and abuts on the insertion-side connection portion during insertion to allow the ingress thereof, and An operating plate portion extending from the one side panel portion so as to be exposed from the one side panel portion in a seesaw-like arrangement relationship via the shaft support portion; The cover plate portion is automatically engaged with the insertion-side connection portion when the insertion-side connection portion is electrically connected to the insertion-side connection portion. And freely, the operation plate part is
A connection structure between an electric device and a connection cord, wherein the connection state is provided so that the state of engagement of the lid plate portion with the insertion-side connection portion can be freely released. 2. The insertion-side connection portion is a terminal pin protruding toward the insertion port, and the insertion-side connection portion is inserted into the terminal pin through an introduction opening. The connection structure between an electric device and a connection cord according to claim 1, wherein the connection structure is a socket that is electrically connected to the connection cord. 3. The insertion-side connection portion is a socket disposed with the introduction opening facing the insertion opening, and the insertion-side connection portion is arranged from the introduction opening side. The connection structure according to claim 1, wherein the connection pin is a terminal pin that is inserted and electrically connected.