JPH0758631B2 - Collective connector - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a connector used for connecting / disconnecting electric cables, hoses such as liquid and gas, and more particularly to a connector that can be detached and attached by a remote operation by a manipulator. .

[Prior Art] A connector is an attach / detach device for electric cables, hoses for liquids, gases, etc., and has a structure in which a plug and a socket are combined and they can be connected / disconnected freely.

Cables and hoses can be detached by remote control in order to conduct electricity, liquid, gas, etc. to various equipment and robots in areas where workers cannot access, such as in a high radiation environment. Connector is required. An example of this type of remote connector is disclosed in JP-A-61-71568.
Its schematic configuration is shown in FIG.

This remote connector has a plug portion 12 having one pin 10 projecting from the side surface, and a socket portion 16 having a guide groove 14 for guiding the pin 10 and receiving the plug portion 12. A cam 20 having an arcuate guide groove 18 formed on its inner surface for guiding the pin 10 is rotatably attached to one side surface of the socket portion 16, and a handle 22 is attached to the cam 20.
The center of curvature of the arc-shaped guide groove 18 is eccentric with respect to the rotation center of the handle 22, and the cam 20 caused by rotation of the handle 22
The pin 10 is urged in the up-down direction by the rotation of, and the plug part 12 and the socket part 16 are attached and detached.

[Problems to be Solved by the Invention] In this connector, since the plug portion 12 is attached / detached only by urging the one pin 10 provided on one side surface, the balance of the applied force is poor. It cannot cope with the increase in diameter of the plug portion 12 and the socket portion 16. Therefore, in the prior art, a connector is provided for each cable or hose. However, as described above, various utilities such as electricity, liquid, and gas must be connected to equipment and robots used in a high radiation environment, and in the prior art, a large number of remote connectors are required. Therefore, not only is the desorption operation complicated, but a large installation space is required.

An object of the present invention is to solve the above-mentioned drawbacks of the conventional technology, to collect a plurality of utility connection parts such as electricity, liquid, gas, etc., and to connect / disconnect remotely by a simple operation. To provide a connector.

[Means for Solving the Problems] In the present invention that can achieve the above object, a first connecting portion in which a plurality of sockets are arranged and a plurality of plugs that can be coupled to the respective sockets are provided at positions corresponding to the respective sockets. It is composed of a combination with the arranged second connecting portion. The first and second
In the connection part, a plurality of pairs of guide pins and guide holes that are fitted to each other at the time of connection and are positioned in the connection surface (in the surface perpendicular to the central axis of the connection part) are formed. Further, one connecting portion has a hollow portion having a non-circular cross-section corresponding to the cross-sectional shape of the shaft for receiving the shaft having a non-circular cross-section of the handle for attachment / detachment, and the connection shaft is rotatably supported parallel to the connection surface. And a detachable cam having arcuate guide grooves inside which are fixed to both ends of the connecting shaft and the center of curvature of the guide groove is eccentric from the rotation center of the connecting shaft, and both sides of the other connecting portion are provided. Each of them is provided with an attachment / detachment pin that engages with the guide groove of the attachment / detachment cam and is biased in a direction along the central axis of the connecting portion when the attachment / detachment cam rotates.

[Operation] When the first connecting portion and the second connecting portion are opposed to each other and brought close to each other, the guide pin is fitted into the guide hole, and since there are a plurality of pairs, accurate positioning in the connecting surface is performed. Be seen.
When the shaft of the handle for attachment / detachment is inserted into the cavity of the connecting shaft and rotated, the attachment / detachment cam rotates, and the attachment / detachment pin that engages with the attachment / detachment cam is urged in the direction along the central axis of both connection parts. Then, each socket of the first connecting portion and each plug of the second connecting portion are mechanically coupled. At this time, the combination of the attachment / detachment pin and the attachment / detachment cam is on both sides of the connection part, and the connecting shaft rotates uniformly without twisting. Energize the pin. For this reason, even a large-diameter connecting portion moves in parallel toward and away from each other, so that the plug and the socket can be reliably coupled. The handle can be removed after coupling.

[Embodiment] FIG. 1 shows a socket side (A and B in the same figure) and a plug side (C and D in the same figure) of the collective connector according to the present invention. On the socket side, a plurality of sockets 22 having different shapes are arranged on a plate-shaped socket base 20 having a side wall formed by combining parallel planes 20a and arcuate surfaces 20b. Each socket 22 is represented by the same reference numeral, but they are for electricity, liquid, gas, etc. The plug side is basically a plug base 24 having the same outer shape as that of the socket base 20, and a plug 26 that can be coupled to each socket 22 is arranged at a position corresponding to each socket 22.

The upper surface of the socket base 20 (the surface facing the plug base 26)
Two guide pins 28 are planted at a position symmetrical to the arc surface 20b side by 180 °. On the other hand, the plug base
A guide hole 30 is formed in the 24 at a position corresponding to the guide pin 28. The guide pin 28 and the guide hole 30 have the same circular shape, and the tip of the guide pin 28 has a slightly pointed shape so that insertion and positioning can be easily performed with a manipulator. These guide pin 28 and guide hole 30 pairs are
The plug base 24 and the plug base 24 are fitted to each other at the time of connection, and fulfill the function of positioning in the radial direction and the circumferential direction in the connection surface (the surface orthogonal to the central axis at the time of connection).

Further, a connection shaft 34 having a hexagonal cavity 32 is rotatably supported by the socket base 20 so as to penetrate through a parallel flat side wall, and attachment / detachment cams 36 are fixed at the same positions to both ends of the connection shaft 34. ing. The removable cam 36 has an arcuate guide groove inside
38, the center of curvature of the guide groove 38 is eccentric from the center of rotation of the connecting shaft 34. On the other hand, on the side walls of the parallel plane of the plug base 24, attachment / detachment pins 40 are provided so as to project outward at positions corresponding to the connecting shafts 34.

Actually, an electric cable and hoses (not shown) such as liquid and gas are connected to the socket 22 and the plug 26, respectively, and the socket case 20 is fixed to a device wall or the like (not shown).

FIG. 2 shows a handle for attaching and detaching. This handle 42
Is composed of a shaft 44 just fitted in the hexagonal cavity 32 of the connecting shaft 34 provided in the socket base 20, and a lever 46 fixed to the base end thereof. The tip of the shaft 44 has a slightly pointed shape so that it can be easily inserted into the hexagonal cavity 32.

3 and 4 show the state of attachment and detachment of such a collective connector. At the time of connection, the plug base 24 is positioned above the socket base 20 so that the socket base 20 and the plug base 24 face each other, and they are brought close to each other so that the guide pins 28 are inserted into both the guide holes 30. (The state shown in FIG. 3). As a result, the socket base 20 and the plug base 24 are accurately positioned in the connecting surface.

Next, the shaft 44 of the handle 42 shown in FIG.
It is inserted into the hexagonal hollow portion 32 of. Then, the connecting shaft 34 is rotated 180 ° by the lever 46. At this time, since the shaft 44 is inserted over substantially the entire length of the connecting shaft 34, the connecting shaft 34 is not twisted and the entire shaft rotates uniformly.
Due to this rotation, the attaching / detaching cams 36 on both sides rotate in the same phase, the attaching / detaching pin 40 is guided by the arcuate guide groove 38 formed therein, and the attaching / detaching pin 40 is drawn toward the center of rotation. And the removable cam 36 is just 180
When rotated once, the connecting surfaces of the socket base 20 and the plug base 24 come into close contact with each other as shown in FIG.
The connection with 26 is completed. The handle 42 may then be removed.

When disconnecting the connector, conversely, in the state shown in FIG. 4, the shaft 44 of the handle 42 is inserted into the hexagonal hollow portion 32 of the connecting shaft 34 and is rotated by 180 ° in the reverse direction. As a result, the attachment / detachment cam 36 is rotated at the same time, and the attachment / detachment pin 40 is pushed up from the center of rotation to bring the state as shown in FIG. The plug base 24 can be detached from the socket base 20 along the guide pins 28 of the socket base 20. These operations can be performed easily and reliably remotely by a manipulator.

Although a preferred embodiment of the present invention has been described in detail above, the present invention is not limited to such a configuration.
The shape of the socket base and the plug base is arbitrary, and the shape, the number, the arrangement position, etc. of the sockets and plugs formed in the socket base and the plug base may be appropriately changed according to the usage state and the like. It is better to provide two guide pins and two guide holes for downsizing,
If the diameter is further increased, three or more sets may be provided. All the guide pins may be provided in one of the connecting parts such as the socket base and the plug base, and all the guide holes may be provided in the other.
Each may be provided with a guide pin and a guide hole for combination. The hollow portion formed in the connecting shaft may have any shape as long as the shaft of the handle inserted therein does not run idle, and is not limited to the hexagonal shape.

[Advantages of the Invention] According to the present invention, a plurality of pairs of positioning guide pins and guide holes are formed in the first and second connecting portions, and two attaching / detaching cams attached to the connecting shaft are further provided in one connecting portion. , The other connecting part is provided with two attachment / detachment pins that engage with it, so that the connecting part is biased in a balanced manner during connection and disconnection, and is brought into contact with and separated from each other in parallel to stably attach and detach a plurality of plugs and sockets. Can be made. This makes the diameter of the connector larger,
Multiple utilities can be connected / disconnected with a simple operation at a time, the number of connectors used is small, the installation space is reduced, and operability is improved. Further, in the present invention, since the handle for rotating the attachment / detachment cam has a structure that can be separated from the connector, the connector can be miniaturized, and it is extremely effective especially when used in a place where the installation space is limited under a high radiation environment. .

Further, according to the present invention, since the shaft of the handle is inserted into the hollow portion of the connecting shaft to which the two detachable cams are attached over substantially the entire length thereof, the entire connecting shaft can be rotated uniformly. The phases of the rotational movements of the attachment / detachment cams are correctly matched, and the two connecting portions are brought into contact with and separated from each other in parallel to allow accurate attachment / detachment.

[Brief description of drawings]

1A is a plan view of a socket side in the present invention, B is a front view thereof, C is a plan view of a plug side, D is a front view thereof, and FIG. 2 is a front view of a handle. 3A is a front view showing a state immediately before connection or immediately after disconnection, B is a plan view thereof, C is a side view thereof, and FIG. 4 is a front view showing a connection state. FIG. 5 is a perspective view showing an example of a conventional technique. 20 ... Socket base, 22 ... Socket, 24 ... Plug base, 26 ... Plug, 28 ... Guide pin, 30 ... Guide hole, 32 ...
Hexagonal hollow part, 34 ... Connection shaft, 36 ... Removable cam, 38 ...
Guide groove, 40… Detachable pin, 42… Handle, 44… Shaft.

Claims (1)

[Claims] 1. A combination of a first connecting portion having a plurality of sockets arranged therein and a second connecting portion having a plurality of plugs connectable to the respective sockets arranged at positions corresponding to the respective sockets, A plurality of pairs of guide pins and guide holes are formed in the first and second connecting portions so as to be fitted to each other at the time of connection to perform positioning in the connecting surface, and one of the connecting portions further includes a handle for attachment / detachment operation. A connecting shaft that has a non-circular hollow portion that accepts a shaft having a non-circular cross section and that is rotatably supported in parallel with the connecting surface, and is fixed to both ends of the connecting shaft and has an arc shape inside A detachable cam having a guide groove and a center of curvature of the guide groove eccentric from the rotation center of the connecting shaft is provided, and both sides of the other connecting portion engage with the guide groove of the detachable cam. When the detachable cam rotates Aggregate type connector, characterized in that a removable pin which is biased in a direction along the central axis of the connection part.