JPH061683Y2 - Connector lid opening / closing mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Purpose of Invention] (Industrial Field of Application) The present invention covers the front surface of a connector provided on an electrocardiograph, and therefore, a connector lid provided on the outer periphery of the electrocardiograph ( Hereinafter, it will be simply referred to as a lid).

(Prior Art) An electrocardiograph is mounted on a transmission device which is an external device for transmitting a signal to a recording device or the like, and exchanges a signal with the transmission device. For this reason, connectors are provided at positions where the recording and measuring device and the transmission device can be fitted to each other.

This connector is usually attached to the opening formed on one surface of the outer periphery of the electrocardiograph while looking into the connection part, but when it is detached from the transmission device and not in use, dust or water It is necessary to cover with a lid in order to prevent fingers from entering.

Therefore, conventionally, as shown in FIG. 8, a housing 2 of the electrocardiograph 1 is used.
Attach the lid 4 to the outer surface of the side where the connector 3 of
And the opening 6 was covered.

(Problems to be Solved by the Invention) However, according to the conventional electrocardiograph configured as described above, a tool such as a screwdriver must be used for attaching and detaching the lid 4, and the attaching and detaching work is troublesome. Further, when the lid 4 is attached to the housing 2, the head of the screw 5 is attached to the housing 2.
Was not preferable in appearance.

The present invention has been made in view of the above points, and provides a connector lid opening / closing mechanism that has an excellent appearance and that can open / close the lid in conjunction with attachment / detachment of an electrocardiograph to / from an external device. With the goal.

[Configuration of the Invention] (Means for Solving the Problems) In order to achieve the above object, the present invention has a connector that is connected to a connector on the external device side when the electrocardiograph is attached to the external device. An opening / closing mechanism for a connector lid provided on the electrocardiograph and covering the front surface of the electrocardiograph, wherein the connector lid provided on the outer peripheral portion of the electrocardiograph so as to be openable and closable, A locking member that is rotatably provided on the housing and locks the rotation of the connector lid, and the locking member and the connector lid that are fixed to the electrocardiograph mounting surface of the external device and that are mounted on the electrocardiograph. And a guide member engaged with the lock member and performing the unlocking operation and the connector lid opening operation, respectively.

(Operation) According to the above configuration, when the electrocardiograph is inserted into the external device, the guide member provided in the external device first engages with the locking member to rotate the locking member, and the connector lid Release the rotation lock. When the electrocardiograph is further inserted into the external device, the guide member engages with the connector lid, and the connector lid is rotated to bring it into an open state. In this state, the connector on the electrocardiograph side and the connector on the external device side can be connected.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

1 to 7 show one embodiment of the present invention. In these figures, the same or equivalent parts as those of the conventional example shown in FIG. 8 are designated by the same reference numerals.

In FIGS. 6 and 7, the transmission device 7 which is an external device
A U-shaped electrocardiograph mounting portion 8 is formed on the upper surface of
Guide grooves 9 are provided in parallel on opposite side surfaces of the mounting portion 8. A first connector 10 is attached to the inner surface at right angles to both side surfaces, and guide pins 11 as guide members are fixed to the bottom surface in parallel to both side surfaces of the mounting portion 8.

On the other hand, projections 12 are integrally formed on both opposite side surfaces of the outer periphery of the lower housing 2 of the electrocardiograph 1, and when the electrocardiograph 1 is mounted on the mounting portion 8 of the transmission device 7. The projection 12 is fitted in the guide groove 9 to guide the insertion of the electrocardiograph 1. On the upper part of the lower housing 2 of the electrocardiograph 1, the housing 14 having a rectangular opening 13 formed on the upper surface is attached. Further, a lid 15 described later is openably and closably attached to the opening 6 formed on the front surface of the lower housing 2.
A guide hole 16 into which the guide pin 11 provided in the transmission device 7 is inserted is formed on the right side of FIG.

Next, the opening / closing mechanism of the lid 15 will be described with reference to FIGS. Arms 15a are integrally formed by bending at right angles to both ends of the lid 15, and can be rotated via pins 18 by a pair of support members 17 that are integrally provided upright on the bottom surface of the lower housing 2. Supported by. The lower end on one side of the arm 15a is bent outward at a right angle, and the lower surface is formed in a semi-cylindrical shape to form an engaging portion 19. Again lid 15
Is urged to rotate in the direction indicated by arrow A by a spring 20, and when the electrocardiograph is not used, the opening 6 of the lower housing 2 is closed by the lid 15, and the second electrocardiograph 1 is provided. The connector 21 of is covered.

On the other hand, a support member 24 that rotatably supports a stopper 22 that is a locking member via a pin 23 is provided upright on the bottom surface near the side wall of the lower housing 2. The stopper 22 is the lower housing 2
And an engaging portion 22b bent downward at a right angle. The protrusion 2 that engages with the lid 15 is provided on one side surface of the engaging portion 22b.
2c is formed, and a slope 22d that engages with the guide pin 11 is formed at the lower end. And stopper 22 is spring 25
Is urged to rotate in the direction indicated by the arrow B, and the projection 22c engages with the arm 15a of the lid 15 to lock the rotation of the lid 15 in the opening direction. Also, the slope at the bottom of the stopper 22
When the guide pin 11 pushes 22d, the stopper 22 is rotated in the direction indicated by the arrow C opposite to the arrow B, and the locking of the lid 15 is released.

Next, the operation of this embodiment will be described. Transmission device 7 for electrocardiograph 1
When the lid 15 is removed from the lid 15, the lid 15 is rotated in the direction of arrow A by the urging force of the spring 20 to close the opening 6 of the lower housing 2 and protect the second connector 21. At this time, the stopper 22 is rotated in the direction of arrow B by the urging force of the spring 25, the projection 22c is engaged with the arm 15a of the lid 15, and the lid 15 is locked so as not to be opened.

When the projection 12 of the electrocardiograph 1 is fitted into the guide groove 9 of the transmission device 7 and the electrocardiograph 1 is inserted into the transmission device 7, the guide pin 11 provided on the transmission device 7 causes the electrocardiograph 1 to move. Enters the guide hole 16 of the stopper 22 and contacts the slope 22d at the lower end of the stopper 22,
Rotates in the direction of arrow C. As a result, the protrusion of the stopper 22
Since 22c is detached from the arm portion 15a of the lid 15, the lid 15 is unlocked. When the electrocardiograph 1 is further inserted into the transmission device 7, the guide pin 11 contacts the cylindrical outer peripheral surface of the engaging portion 19 at the side end of the lid 15, so that the lid 15 is centered on the pin 18. The opening 6 is opened by rotating in the direction of arrow D. And first,
The second connectors 10 and 21 are connected.

When the electrocardiograph 1 is separated from the transmission device 7, the lid 15 is replaced by the spring 20.
The stopper 22 is rotated in the direction of arrow B by the urging force of the spring 25 to lock the rotation of the lid 15.

According to the present embodiment, in the state where the electrocardiograph 1 is separated from the transmission device 7, the lid 15 closes the opening 6 of the lower housing 2 and covers the second connector 21 to cover dust and water from the outside. Alternatively, it is possible to prevent the intrusion of fingers and the like. When the electrocardiograph 1 is attached to the transmission device 7, the lid 15 is automatically opened and the connectors 10 and 21 can be connected. Therefore, a tool is not required for opening and closing the lid 15, workability is improved, and screws and the like are not exposed on the surface, so that the appearance is improved.

[Effects of the Invention] As described above, according to the present invention, the lid that covers the connector automatically opens and closes when the electrocardiograph is attached to or detached from the external device, so that the workability of opening and closing the connector lid is improved. , The appearance will also be excellent.

[Brief description of drawings]

FIG. 1 is a perspective view showing an essential part of an embodiment of the present invention, FIG. 2 is a plan view thereof, FIG. 3 is a side view thereof, and FIGS. 4 and 5 are a lid and a stopper of FIG. 1, respectively. Is a perspective view showing
FIG. 6 and FIG. 7 are a perspective view and a plan view, respectively, for explaining a mounting state of an electrocardiograph on a transmission device, and FIG. 8 is a perspective view showing a detaching mechanism of a conventional connector cover of an electrocardiograph. 1 ... Electrocardiograph, 3, 10, 21 ... Connector 7 ... Transmission device (external device) 11 ... Guide pin (guide member) 15 ... Connector lid, 22 ... Stopper (locking member)

Claims (1)

[Scope of utility model registration request] 1. A connector lid provided on the electrocardiograph, which has a connector for connecting to the connector on the external device side when the electrocardiograph is attached to the external device, and covers the front surface of the connector on the electrocardiograph side. Of the opening and closing mechanism, wherein the connector lid is provided on the outer peripheral portion of the electrocardiograph so as to be openable and closable, and the connector lid is rotatably provided on the casing of the electrocardiograph to lock the rotation of the connector lid. A locking member and a guide member that is fixed to the electrocardiograph mounting surface of the external device, engages with the locking member and the connector lid when the electrocardiograph is mounted, and releases the lock and opens the connector lid, respectively. An opening / closing mechanism for a connector lid, comprising: