JPH0717204Y2 - Drawer type power source switching switch - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power source switching switch for selectively connecting two different power sources such as a regular power source and an emergency power source to a load, and particularly to a panel such as a switchboard or a control panel. The present invention relates to a drawer-type power source switching switch which is connected to the load side and the power source side by inserting it into the insertion window formed in the middle panel, and is disconnected from the load side and the power source side by pulling it out. .

[0002]

2. Description of the Related Art A conventional power source switching switch is screwed to the surface of a middle panel of a panel, and a lead wire connected to a power source and a load is connected to the power source switching switch on the front surface or the back side of the middle panel. .

[0003]

In the above-mentioned conventional power source switching switch, the appearance of the switch is poor because it is entirely projected to the outside of the middle panel of the board. In addition, when installing on the surface of the middle panel, it is dangerous because the live part is exposed to the front, and in order to avoid this danger, an insulating protective cover must be additionally installed, and it requires time and effort to install it. Not only that, but it also has the drawback of making the appearance worse. Connecting conductors to the power switching switch requires a considerable amount of expertise, and no one can easily do this.Because it takes time to connect and disconnect conductors, it takes a long time to replace or inspect equipment. There is a problem that it requires power failure time. Since the power switching switch is connected to an important load,
The power outage time should be as short as possible.

Therefore, the present invention does not project to the outside of the middle panel, has a good appearance, the charging part is not exposed to the front, is safe, and requires no specialized knowledge for installation and replacement. It is an object of the present invention to provide a drawer-type switching switch that allows anyone to do this in a short time.

[0005]

In the present invention, in order to solve the above problems, a switch main body 2, a holding frame 3 for holding the switch main body 2, and the holding frame 3 for the switch main body 2 are provided.
In order to receive in and out freely in the front-rear direction, a receiving frame 4 provided inside the middle panel 5 of the board is provided, and the switch body 2 is provided with contacts 6, 7, 8 protruding from the rear end surface. The holding frame 3 is provided with a pair of support rods 11 protruding rearward from both left and right sides, and the receiving frame 4 is provided with a flange for fixing to the edge of the insertion window 16 formed in the middle panel 5 of the board. 17, a pair of substantially horizontal guide grooves 20 for engaging the tip of the support rod 11 movably in the front-rear direction, and contact clips 24, 25, 26 for receiving the contacts 6, 7, 8 of the switch body 2. Is provided
The guide groove 20 of the receiving frame 4 is provided with an inclined groove 21 which is inclined and rises upward near the front end portion in order to impart resistance to the pulling-out operation of the holding frame 3, thereby providing a pull-out type power source switching switch. Configured.

The flange 17 of the receiving frame 4 is fixed to the front edge of the insertion window 16 of the middle panel 5, and the holding frame 3 has at least one of the flanges 17 exposed on the front side of the middle panel 5. Flange 1 to cover parts from the front
The front plate 13 spread on the front side of No. 7 was provided.

[0007]

The power supply switching switch 1 of the present invention has a structure in which the switch main body 2 and the holding frame 3 are simply pushed into the middle panel 5 through the insertion window 16 to load the charging parts such as the contacts 6, 7, and 8. And the installation is completed by automatically connecting to the power source, and by simply pulling out from the middle panel 5, the charging section is automatically disconnected from the load and the power source and the removal is completed. In the installed state, the switch main body 2 hardly projects to the front side of the middle panel 5, so that the appearance is not damaged. At the time of insertion into the insertion window 16, the tip of the support rod 11 is engaged with the guide groove 20 of the receiving frame 4. The holding frame 3 is guided by the guide groove 20 and pushed into a predetermined position, and the contacts 6, 7, 8 protruding rearward of the switch body 2 are connected to the contact clips 23, 24, 25 at the rear part of the receiving frame 4. To be done. When pulling out the switch main body 2 from the receiving frame 4 attached to the insertion window 16 of the middle panel 5, the tip of the support rod 11 is guided by the guide groove 20 of the receiving frame 4 and moves. Before the tip end of the support rod 11 reaches the inclined groove 21 before it is disengaged from the guide groove 20, resistance is given to the pulling-out operation of the holding frame 3. Before this, the holding frame 3 cannot be pulled out unless it is pulled up along the inclined groove 21. Therefore, there is no possibility that the holding frame 3 is inadvertently pulled out and dropped.

When the flange 17 of the receiving frame 4 is fixed to the front edge of the insertion window 16 of the middle panel 5,
The flange 17 is exposed on the front side of the middle panel 5, but this is covered by the front plate 13 provided on the holding frame 3 from the front side, so that the appearance is not damaged.

[0009]

An embodiment of the present invention will be described with reference to the drawings. 1 is a perspective view of the drawer type power source switching switch, FIG. 2 is a side view of the drawer type power source switching switch, and FIG. 3 is a side view of the drawer type power source switching switch.

In the drawing, a drawer type power source switching switch 1 is
Switch main body 2 and holding frame 3 for holding the switch main body 2
And a receiving frame 4 provided inside the middle panel 5 of the board for receiving the holding frame 3 together with the switch body 2 in the front-back direction.

The switch body 2 has contacts 6, 7 and 8 projecting from the rear end surface. For example, the contact 6 is connected to a regular power supply, the contact 8 is connected to an emergency power supply, and the contact 7 is connected to a load. Switch body 2
Is to switch the power supply connected to the load from a regular power supply to an emergency power supply in the event of a power failure or the like. The connector 9 is
This is for connecting a mating connector (not shown) connected to a control line for controlling the switching operation of the switch body 2.

The switch body 2 is held in a holding frame 3. The holding frame 3 has a frame body 10 having a substantially box shape,
The contacts 6, 7, 8 of the switch body 2 are projected rearward. The frame body 10 has a pair of parallel support rods 11 extending in the insertion direction (front-back direction) into the receiving frame 4 along the left and right side surfaces thereof and protruding rearward. Rollers 12 are attached to the outer sides of the support rods 11 near the tips thereof, respectively. On the front side of the frame body 10, a rectangular front plate 13 that is wider than the frame body 10 and extends outward is attached. Front plate 13
Has a handle 14 for holding a hand during insertion and withdrawal operations into the receiving frame 4, and also has a window 15 for exposing the connector 9.

The receiving frame 4 is inserted inside the rectangular insertion window 16 formed in the middle panel 5 of the board and fixed to the middle panel 5. That is, the receiving frame 4 has, at the front end, a flange 1 that is wider than the insertion window 16 and extends vertically.
7, and this flange 17 is fixed to the front side outer edge of the insertion window 16. On a part of the flange 17, a projection piece 18 for displaying a note or the like is provided.

The left and right side walls 19 of the receiving frame 4 have a pair of substantially horizontal guide grooves 20. The guide groove 20 is for engaging the front end portion of the support rod 11 movably in the front-rear direction, and the roller 12 is rotatably inserted in the guide groove 20. Further, the guide groove 20 is provided in the holding frame 3
In order to add resistance to the pulling-out operation, the inclined groove 21 is inclined and rises upward near the front end portion. Inside the left and right side walls 19, rails 31 and 3 are located above and below the guide groove 20 and extend in the front-rear direction along the guide groove 20.
2 is stuck. The support rod 11 of the holding frame 3 can be passed between the upper and lower rails 31 and 32 so as to be movable in the front-rear direction. The upper and lower rails 31 and 32 support the support rod 11 when the holding frame 3 is pulled up obliquely upward when pulled out.
Are provided with notches 33 and 34, respectively, for permitting the tip of each of them to incline between the upper and lower rails 31 and 32.

Contact clips 23, 24, 25 for receiving the contacts 6, 7, 8 of the switch body 2 are attached to the rear wall 22 of the receiving frame 4. Conductors 26 connected to the contact clips 23, 24, 25 respectively,
27 and 28 project rearward of the rear wall 22. Then, for example, the conductor 26 is connected to a conductor connected to a regular power source, the conductor 28 is connected to a conductor connected to an emergency power source, and the conductor 27 is connected to a conductor connected to a load. Conductors 26, 2
7, 28 are supported by an insulator 29 together with the contact clips 23, 24, 25, and the insulator 29 is fixed to the rear wall 22 by a band 30.

In the power source switching switch 1 of this embodiment, the contacts 6, 7, 8 can be obtained by simply grasping the handle 14 and pushing the switch body 2 and the holding frame 3 into the middle panel 5 through the insertion window 16. The charging part is automatically connected to the load and the power source to complete the installation, and by simply pulling out from the middle panel 5, the charging part is automatically disconnected from the load and the power source and the removal is completed. Since the connection of the control line is also changed using the connector 9, the power outage time required when the switch body 2 is replaced can be shortened. The switch body 2 is replaced integrally with the holding frame 3. In the installed state, the switch main body 2 hardly projects to the front side of the middle panel 5, so that the appearance is not damaged. At the time of insertion into the insertion window 16, the roller 12 of the support rod 11 is engaged with the guide groove 20 of the receiving frame 4. When the roller 12 rolls along the guide groove 20 and the support rod 11 enters between the upper and lower rails 31 and 32, the holding frame 3 is pushed into a predetermined position, and the contacts 6, 7 and 8 protruding rearward. Are connected to the contact clips 23, 24, 25 of the receiving frame 4. The flange 17 exposed on the front side of the middle panel 5 is covered by the front plate 13, and only the display tongue piece 18 projects to the front side. On the display tongue piece 18, for example, a display for calling attention to the withdrawal at the time of the withdrawal operation is performed. Similarly, when the switch body 2 is pulled out, the roller 12 rolls along the guide groove 20 and the support rod 11 moves forward between the upper and lower rails 31 and 32.
Before the roller 12 comes out of the guide groove 20, the roller 12 reaches the inclined groove 21 and resistance is given to the drawing operation of the holding frame 3. After this, as shown by the phantom line in FIG. 2, the holding frame 3 cannot be pulled out unless the holding frame 3 is pulled upward along the inclined groove 21. Therefore, there is no possibility that the holding frame 3 is inadvertently pulled out and dropped. As shown in FIG. 3, when the holding frame 3 is in the process of being pulled out, the support rod 11
Is supported between the upper and lower rails 31 and 32, so that this state can be maintained even if the hand is released from the handle 14.

[0017]

As described above, according to the present invention, the switch main body 2 and the holding frame 3 for holding the switch main body 2 are provided.
In order to receive the holding frame 3 together with the switch body 2 in the front-rear direction, the holding frame 3 is provided with a receiving frame 4 provided inside the middle panel 5 of the panel.
The contacts 6, 7, 8 protruding from the rear end surface are provided, the holding frame 3 is provided with a pair of supporting rods 11 protruding rearward from both left and right sides, and the receiving frame 4 is formed on the middle panel 5 of the board. Flange 17 for fixing to the edge of the insertion window 16
A pair of substantially horizontal guide grooves 20 for engaging the front end of the support rod 11 movably in the front-rear direction, and contact clips 24, 25, 26 for receiving the contacts 6, 7, 8 of the switch body 2. Guide groove 2 of the receiving frame 4 provided
In order to add resistance to the drawing operation of the holding frame 3,
Since the drawer-type power source switching switch 1 is configured by providing the inclined groove 21 which is inclined and rises up near the front end portion, it does not project to the outside of the middle panel 5, has a good appearance, and has a good appearance. Is not exposed to the front and is safe, therefore, there is no need to install an insulating protective cover, no expert knowledge is required for installation and replacement, and anyone can do this in a short time.

Further, the flange 17 of the receiving frame 4 is fixed to the front edge of the insertion window 16 of the middle panel 5, and the holding frame 3 has at least one of the flanges 17 exposed on the front side of the middle panel 5. Flange 1 to cover parts from the front
7 is provided on the front side of the front panel 7, the flange 17 located on the front side of the middle panel 5 is attached to the front panel 13.
Since it is covered by the front surface, it has the effect of giving a good appearance.

[Brief description of drawings]

FIG. 1 is a perspective view of a drawer type power source switching switch.

FIG. 2 is a side view of a drawer type power source switching switch.

FIG. 3 is a side view of the drawer type power source switching switch.

[Explanation of symbols]

 1 Drawer type power supply switching switch 2 1 Switch body 3 Holding frame 5 Middle panel 6 Contact 7 Contact 8 Contact 11 Support rod 16 Insertion window 17 Flange 20 Guide groove 21 Inclined groove 24 Contact clip 25 Contact clip 26 Contact clip

Claims (2)

[Scope of utility model registration request] 1. A switch main body, a holding frame for holding the switch main body, and a holding frame provided inside the middle panel of the board for receiving the holding frame together with the switch main body in the front-back direction. A receiving frame, the switch body has contacts protruding from a rear end surface, the holding frame has a pair of supporting rods protruding rearward from both left and right sides, and the receiving frame is a board A flange for fixing to the edge of the insertion window formed in the middle panel, a pair of substantially horizontal guide grooves for engaging the tip of the supporting rod of the holding frame so as to be movable in the front-rear direction, and the switch And a guide clip for receiving the contact of the main body, wherein the guide groove of the receiving frame has an inclined groove that is inclined and rises upward in the vicinity of the front end in order to impart resistance to the pulling operation of the holding frame. Existence Drawout type power switching switch, wherein Rukoto. 2. The flange of the receiving frame is fixed to a front edge of the insertion window of the middle panel, and the holding frame covers at least a part of the flange exposed on the front side of the middle panel from the front side. The drawer type power source switching switch according to claim 1, further comprising a front plate that is widened to the front side of the flange so as to cover it.