JP2022011426A - Cabinet and posture switching device - Google Patents

Abstract

To provide a cabinet and a posture switching device that facilitate the evacuation work of a gate member required for the wiring pull-in work and can avoid damage or loss due to the fall of the gate member.SOLUTION: A cabinet 10 includes an opening 6 formed on the top surface, a notch 8 formed in a frame portion 7 for partitioning the top surface and communicating with the opening 6, and a gate member 9 that shields the notch 8, and a posture switching mechanism 20 that holds the gate member 9 so as to be able to change the posture while the gate member 9 is attached to the frame portion 7 is provided between the shielding posture in which the notch 8 is shielded by the gate member 9 and the open posture in which the opening 6 and the notch 8 communicate with each other by moving the gate member 9 from the notch 8 along the frame portion 7.SELECTED DRAWING: Figure 2

Description

The present invention relates to a cabinet and a posture switching device, and more specifically, an opening formed on a top surface, a notch formed in a frame portion for partitioning the top surface and communicating with the opening, and the notch portion. The present invention relates to a cabinet provided with a gate member for shielding and a posture switching device.

Patent Document 1 describes a case body in which an opening is provided on the front surface and a breaker is housed inside, and a case, for the purpose of providing a distribution board with improved workability without deteriorating the appearance. A door body is provided on the front surface of the main body, which is supported by a frame portion around the opening and closes the opening openly and closably, and the case main body is continuously formed from the frame portion to the side surface portion. A distribution board is provided with a character-shaped wiring groove, and is provided with a blindfold member that is detachably attached to the case body so as to close the portion where the wiring groove is formed in the frame portion. Proposed.

Patent Document 2 has a box shape having an opening facing the front side for the purpose of providing a switchboard capable of lifting and transporting in a structure having a wiring opening opening in the front of the housing top plate, and is viewed from the front. A frame portion is provided on the edge of the opening, a wiring opening is formed in the top plate, and the frame portion on the upper side of the opening has a fixed frame portion and a removable frame portion, and is removable. A housing in which the wiring opening opens to the front side with the frame portion removed, a holding portion mounting portion provided at the left and right ends of the top plate for mounting a holding portion used during transportation, and the top plate. The frame reinforcement is provided with a front-rear reinforcing material extending in the front-rear direction at the left and right end portions of the above and overlapping the holding portion mounting portion in a plan view, and a frame reinforcing material provided inside the fixed frame portion. A switchboard is proposed in which the material extends from the left and right outside to the inside and is exposed from the fixed frame portion, and the exposed portion and the detachable frame portion can be fixed by fasteners. ing.

Japanese Unexamined Patent Publication No. 2011-36036 Japanese Unexamined Patent Publication No. 2018-174664

However, the gate member such as the blindfold member described in Patent Document 1 and the frame portion described in Patent Document 2 is used when the wiring for connection to the electric device housed therein is drawn through the wiring groove or the wiring port. In addition, it is necessary to remove it from the cabinet body and reattach it to the cabinet after the wiring is completed, which causes a problem that complicated work is required when attaching and detaching the gate member.

In addition, there is a risk that the gate member may be accidentally dropped and damaged during attachment / detachment, and the removed gate member may be temporarily placed somewhere, so that the gate member may be lost during the wiring pull-in operation.

In view of the above-mentioned problems, an object of the present invention is to provide a cabinet and a posture switching device capable of facilitating the retracting work of the gate member required at the time of pulling in the wiring and avoiding damage or loss due to the fall of the gate member. There is a point to do.

In order to achieve the above object, the first characteristic configuration of the cabinet according to the present invention is an opening formed on the top surface and a notch formed in the frame portion for partitioning the top surface and communicating with the opening. A cabinet provided with a gate member that shields the notch portion, a shielding posture that shields the notch portion by the gate member, and the gate member from the notch portion along the frame portion. It is a point that it is provided with a posture switching mechanism for holding the gate member so as to be able to change the posture while being attached to the frame portion between the open posture in which the opening portion and the notch portion communicate with each other by moving the gate member. ..

The gate member in the shielded posture can be switched to the open posture by moving along the frame portion, or the gate member in the open posture can be switched to the shielded posture by moving along the frame portion. Since the posture of the gate member is switched while it is attached to the frame part, complicated work such as attaching and detaching the gate member to the frame part becomes unnecessary, and damage or loss due to the fall of the gate member can be avoided. can.

In the second feature configuration, in addition to the first feature configuration described above, the posture switching mechanism includes a slit plate attached to the frame portion and having slits formed along the extending direction of the frame portion. A support member having a base portion movably supported along the slit and a rising portion that rises from the base portion and supports the rotation shaft, and a support member attached to the gate member and rotatable on the rotation shaft. The point is that it is configured to include a rotating body attached to the.

The support member moves along the slit formed in the slit plate attached to the frame portion, and the gate member is attached to the rotating body of the posture switching mechanism in which the rotating body attached to the supporting member rotates around the rotation axis. Be done. Therefore, the gate member can move along the extending direction of the frame portion in which the slit is formed, and can rotate around the rotation axis provided in the support member.

In the third feature configuration, in addition to the second feature configuration described above, by rotating the gate member around the rotation axis from the shielding posture, the gate member is made into the slit together with the support portion. The point is that the frame portion is configured to switch to the open posture by moving along the extending direction of the frame portion.

When the gate member in the shielding posture is rotated around the rotation axis, it can be moved in the extending direction of the frame portion, and when the gate member moves in the extending direction of the frame portion, it is shielded by the gate member. It becomes an open posture in which the opening and the notch that have been used communicate with each other.

The fourth feature configuration is that, in addition to the third feature configuration described above, a rotation angle regulating unit that regulates the rotation angle of the gate member is provided.

When the posture of the gate member is switched from the shielded posture to the open posture, the gate member is first rotated and then moved in the extending direction of the frame portion. By providing the rotation angle restricting portion and restricting the rotation angle of the gate member, the frame portion can be smoothly moved in the extending direction.

In the fifth feature configuration, in addition to the fourth feature configuration described above, the rotation angle regulating portion is provided on the rotating body and abuts on the back surface of the frame portion as the gate member rotates. The point is that it is composed of contact pieces.

As the gate member rotates, the contact piece provided on the rotating body comes into contact with the back surface of the frame portion, so that the rotation angle of the gate member is restricted to an appropriate position.

In the sixth feature configuration, in addition to any of the first to fifth feature configurations described above, the support member is placed along the slit while maintaining the posture of the support member pivotally supported by the slit plate. The point is that it is equipped with a guide member that guides the person to move.

If the posture of the support member fluctuates around the support shaft when moving along the slit, the posture of the gate member fluctuates accordingly, which may hinder smooth movement. Even in such a case, since the guide member is guided to move along the slit while the posture around the support shaft of the support member is maintained, the gate member can be smoothly moved.

In the seventh feature configuration, in addition to the sixth feature configuration described above, the guide member is formed so as to stand down from the base portion, and is in contact with the edge portion of the slit plate along the longitudinal direction of the slit. It is in the point that it is composed of guide pieces.

The guide piece formed so as to stand down from the base abuts on the edge of the slit plate, so that the guide piece is guided to move along the slit while maintaining the posture around the support shaft of the support member.

The eighth feature configuration is that, in addition to the sixth feature configuration described above, the guide portion is formed so as to fall down from the base portion and is composed of a guide piece fitted into the slit.

The guide piece formed downward from the base fits into the slit and comes into contact with the inner edge of the slit to guide the support member to move along the slit while maintaining the posture around the support shaft. Will be done.

In addition to the sixth feature configuration described above, the ninth feature configuration includes a pair of flat surfaces that are movably arranged along the slit and formed so as to face the inner edge of the slit. The slit plate and the base portion are fixed by bolts and nuts via the boss member, and the guide portion is formed by the pair of flat surface portions.

By contacting the pair of flat surfaces formed on the boss member with the inner edge portion of the slit, the support member is guided to move along the slit while the posture around the support axis is maintained.

In the tenth feature configuration, in addition to any of the first to ninth feature configurations described above, the opening is a wiring opening for drawing in wiring for connection to an electric device housed inside. There is a point where the gate member is switched to the open posture when the wiring is pulled in.

By moving the gate member in the shielded posture along the frame portion, the posture can be switched to the open posture, and in this state, the wire rod can be pulled into the opening portion via the notch portion. When the wiring pull-in process is completed, the gate member in the open position can be moved along the frame to return to the original shielding position, eliminating the need for complicated work such as attaching and detaching the gate member from the frame. Become.

The characteristic configuration of the posture switching device according to the present invention is used for a cabinet having any of the above-mentioned first to tenth characteristic configurations, and the gate member is changed in posture between the shielded posture and the open posture. It is a posture switching device, and is a slit plate attached to the frame portion and having a slit formed along the extending direction of the frame portion, a base portion movably supported along the slit portion, and rising from the base portion. A support member having a rising portion for supporting the rotation shaft, and a rotating body attached to the gate member and rotatably attached to the rotation shaft are provided.

As described above, according to the present invention, there is provided a cabinet and a posture switching device that facilitates the retracting work of the gate member required at the time of pulling in the wiring and can avoid damage or loss due to the fall of the gate member. You can now do it.

(A) to (c) are explanatory views of a cabinet. (A) is an enlarged view of a main part of a cabinet, and (b) to (e) are explanatory views of a posture switching operation of a gate member. (A) is an explanatory view of a slit plate for plan view, front view and side view, (b) is an explanatory view of a support member for plan view, front view and side view, and (c) is a plan view, front view and side view. (D) is an explanatory view of a rotating shaft in a plan view, (e) is an explanatory view of a flanged pipe shaft in a plan view and a front view, and (f) is an explanatory view of a flanged pipe shaft in a plan view, a front view and a side surface. It is explanatory drawing of the fixing metal fitting of a visual gate member. (A) is an assembly explanatory view of the posture switching mechanism, (b) is a mounting perspective view of the posture switching mechanism in the shielded posture, and (c) is a posture switching mechanism in the rotating posture in which the rotating body is rotated from the shielded posture. A perspective view, (d) is a perspective view of a posture switching mechanism in an open posture, and (e) is a side view of a main part of the posture switching mechanism. (A) is an explanatory view of a plan view of the posture switching mechanism attached to the cabinet, (b) is an explanatory view of a front view of the posture switching mechanism attached to the cabinet, and (c) is a connection between the slit plate and the support member. An assembly explanatory view of the portion, (d) is an explanatory diagram of a connecting portion between the slit plate and the support member. (A) to (c) are cross-sectional views of a main part showing a posture switching operation of a gate member. It is an assembly explanatory drawing of another embodiment of a posture switching mechanism. The shape of the posture switching mechanism shown in FIG. 7 is shown, (a) is an explanatory view of a slit plate in a plan view, a front view and a side view, and (b) is an explanatory view of a support member in a plan view, a front view and a side view. (C) is an explanatory view of a rotating body in a plan view, a front view and a side view, (d) is an explanatory view of a rotating shaft in a plan view, and (e) is an explanatory view of a flanged pipe shaft in a plan view and a front view. , (F) are explanatory views of the fixing metal fittings of the gate member in the plan view, the front view, and the side view. The posture switching mechanism shown in FIG. 7 is shown, (a) is an explanatory view of a plan view of the posture switching mechanism attached to the cabinet, and (b) is an explanatory view of a front view of the posture switching mechanism attached to the cabinet, (c). ) Is an assembly explanatory view of the connecting portion between the slit plate and the support member, and (d) is an explanatory diagram of the connecting portion between the slit plate and the support member. (A) to (c) are cross-sectional views of a main part showing a posture switching operation of a gate member. It is an assembly explanatory drawing of another embodiment of a posture switching mechanism. (A) to (e) are bird's-eye views of the main parts showing the posture switching mechanism and the posture switching process of the gate member. (A) to (e) are perspective views of a main part showing a posture switching mechanism and a posture switching process of a gate member.

Hereinafter, the cabinet and the posture switching device according to the present invention will be described with reference to the drawings.
[Cabinet configuration]
As shown in FIGS. 1 (a), 1 (b), and 1 (c), the cabinet 10 includes a rectangular metal casing 1, an outer door 2, and a middle door 3, and the cabinet 10 includes the middle door 3. It is a cabinet for distribution boards that houses the main breaker, multiple branch breakers, and electrical equipment such as terminal blocks inside. In this example, both the outer door 2 and the middle door 3 have a single door structure, but the door can also adopt a double door structure.

Eyebolts 5 for hanging are attached to the left and right ends of the top surface 4 of the cabinet 1, and a rectangular opening 6 is formed inside the eyebolts 5. A notch 8 is formed above the front surface of the frame 7 that partitions the opening 6, and a gate member 9 that shields the notch 8 is attached.

With the middle door 3 open, the gate member 9 in the shielding posture that shields the notch 8 is moved to the open posture along the frame 7, so that the opening 6 and the notch 8 communicate with each other. It is possible to guide a plurality of wiring members W arranged on the ceiling portion to the opening portion 6 through the notch portion 8.

After connecting each of the wiring members W guided to the opening 6 to the target electric device, the cutout portion 8 is formed by moving the gate member 9 in the open posture to the shielding posture along the frame portion 7. It is covered by the gate member 9. The gate member 9 has a function as a decorative panel that hides the notch portion 8 when viewed from the front.

The cabinet 1 is provided with a posture switching mechanism 20, and is configured to switch the posture between the shielded posture and the open posture with the gate member 9 attached to the frame portion 7 by the posture switching mechanism 20.

2 (a) to 2 (e) show the posture switching operation of the gate member 9 via the posture switching mechanism 20. As shown in FIGS. 2A and 2B, the gate member 9 is screwed to the frame portion 7 of the cabinet 10 in the shielding posture. As shown in FIGS. 2 (c) and 2 (d), the screw B fixing the gate member 9 is removed from this state, and the gate member 9 is moved upward from the front side of the cabinet 10 toward the back side by approximately 180 °. Rotate (see the direction of the arrow on the alternate long and short dash line in FIGS. 2 (c) and 2 (d)), and then move the gate member 9 along the frame portion 7 in front view as shown in FIG. 2 (e). By sliding it to the right (see the direction of the arrow on the alternate long and short dash line in FIG. 2 (e)), the cutout portion 8 is released in an open posture.

Since the posture of the gate member 9 is switched while it is attached to the frame portion 7, complicated work such as attaching / detaching the gate member 9 to / from the frame portion 7 becomes unnecessary, and the gate member 9 is damaged or lost due to dropping. Can also be avoided.

[Structure of posture switching mechanism]
3 (a) to 3 (d) show the shapes of the members constituting the posture switching mechanism 20. The posture switching mechanism 20 includes a side view “L” -shaped slit plate 22 (see FIG. 3 (a)), a rotation shaft P (see FIG. 3 (d)), and a support member 25 (see FIG. 3 (d)). b)), a rotating body 27 (see FIG. 3 (c)), a flanged pipe shaft 28 (see FIG. 3 (e)), and bolts and nuts.

As shown in FIG. 3A, the slit plate 22 is composed of a sheet metal including a base portion 22A in which a mounting hole 22h to the frame portion 7 is formed and a slit forming portion 22B bent at a right angle from the base portion 22A. A slit 22L having a constant width is formed in the slit forming portion 22B along the longitudinal direction.

As shown in FIG. 3B, the support member 25 is vertically bent from the base portion 23 arranged so as to face the slit forming portion 22B, and the rotation shaft support portion 24A is formed at the tip thereof. , A rising portion 24 that supports the rotation shaft P is formed. A mounting hole 23h for axially supporting the support member 25 is formed in the slit 22L in the base portion 23, and a guide piece 23A is formed by bending at the tip end portion of the base portion 23.

As shown in FIG. 3C, the rotating body 27 is composed of a front-view “U” -shaped sheet metal having a rising portion 27B formed by vertically bending both sides of a flat base 27A, and rising. The portion 27B is formed with an insertion hole 27h into which the rotation shaft P is inserted. A rotation angle restricting portion 27C is bent and formed on one of the rising portions 27B.

FIG. 3 (f) shows a fixing bracket 29 which is bent and formed in an “L” shape in a side view, is attached to a frame portion 7, and fixes a gate member 9. The fixing bracket 29 is formed with a fixing hole 29h for screwing the gate member 9 and a frame portion fixing hole 29h1 for fixing the fixing bracket 29 to the frame portion 7.

FIG. 4A shows the assembly structure of the posture switching mechanism 20. The base portion 23 of the support member 25 is arranged so as to face the slit 22L formed in the slit plate 22, and the slit plate 22 and the support member 25 are pivotally supported by bolts and nuts via a flanged pipe shaft 28. The outer diameter of the flanged pipe shaft 28 is formed to be slightly smaller than the width of the slit 22L, and the flanged pipe shaft 28 is arranged so as to be fitted into the slit 22.

The pipe length is formed to be slightly longer than the total thickness of the slit plate 22 and the base 23, and the flanged pipe shaft 28 and the support member 25 are integrated along the slit 22L while being fixed with bolts and nuts. It is assembled so that it slides and moves.

The rotation shaft P is inserted into the insertion hole 27h formed in the rotation shaft support portion 24A provided in the support member 25 and the rotation body 27, and is fixed by the retaining member PS. That is, the rotating body 27 is rotatably fixed around the rotating shaft P with respect to the support member 25.

As shown in FIG. 4B, the slit plate 22 is screwed and fixed to the frame portion 7 via the mounting hole 22h formed in the base portion 22A of the slit plate 22, so that the support moves along the slit 22L. The member 25 and the rotating body 27 are relatively movable along the frame portion 7.

The base portion 27A of the rotating body 27 is fixed to the inner surface of the gate member 9. When the rotating body 27 is rotated by 180 ° around the rotating shaft P in the direction of the arrow indicated by the alternate long and short dash line while the gate member 9 is in the shielding posture, the posture shown in FIG. 4C is obtained. That is, the gate member 9 is rotated by 180 ° around the rotation axis P.

When the rotating body 27 rotates around the rotating shaft P, the surface of the rotation angle regulating portion 27C formed on the rotating body 27 abuts on the back surface of the frame portion 7, and the rotation angle of the gate member 9 changes. Be regulated.

As shown in FIG. 4D, in this state, the support member 25 is in an open posture by moving the rotating body 27 and the frame portion 7 together along the slit 22L in the direction of the arrow of the two-dot chain line. ..

If the support member 25 rotates around the axis of the flanged pipe shaft 28 when the support member 25 moves along the slit 22L, the frame portion 7 and the gate member 9 may interfere with each other. Therefore, as shown in FIG. 4 (e), the guide piece 23A provided on the support member 25 is configured to prevent the support member 25 from rotating by contacting the edge portion of the slit forming portion 22B. ..

FIG. 5A shows the arrangement of the posture switching mechanism 20 attached to the frame portion 7, the gate member 9 attached to the posture switching mechanism 20, and the fixing bracket 29 in a plan view, and FIG. 5B shows the arrangement. Is shown in the same front view arrangement.

FIG. 5 (c) shows a cross section showing the assembly of the support member 25, the slit plate 22, and the connecting portion using the bolts and nuts of the flanged pipe shaft 28, and FIG. 5 (d) shows the frame. A cross section of a portion to which the portion 7, the gate member 9, and the posture switching mechanism 20 are assembled is shown.

As shown in FIGS. 6A to 6C, the frame portion 7 is bent and formed in a U-shaped cross section at a portion extending from the top surface 4 of the cabinet 10 to the front side, and the gate member 9 is also a frame. It is configured to have the same cross-sectional shape as the portion 7. The slit plate 22 is fixed to the bent vertical lower surface of the frame portion 7 at two places on the left and right by the screw B1, and the gate member 9 is fixed by the screw B.

By removing the screw B, the gate member 9 in the shielded posture can rotate around the rotation axis (see FIG. 6B), and when rotated 180 °, the rotation angle formed on the rotating body 27. The restricting portion 27C abuts on the inner surface of the frame portion 7 to restrict further rotation (see FIG. 6 (c)). In this state, the gate member 9 moves toward the front side of the paper surface along the slit 22L, so that the open posture is obtained.

[Other aspects of posture switching mechanism]
Instead of the guide piece 23A formed at the tip of the base 23 of the support member 25 shown in FIG. 4 (e), as shown in FIGS. 7 and 8 (b), on the side of the base of the support member 25, The guide piece 23B protruding downward may be bent and formed, and the guide piece 23B may be fitted into the slit 22L to prevent the support member 25 from rotating. 9 and 10 correspond to FIGS. 5 and 6, respectively.

Instead of the guide piece 23A formed at the tip of the base 23 of the support member 25 shown in FIG. 4 (e), as shown in FIG. 11, the pipe shape of the flanged pipe shaft 28 is changed to the inside of the pair of slits 22L. It may be formed in a shape provided with a pair of parallel flat surface portions 28A so as to face the edge portion, and may be configured to function as a guide portion by the pair of flat surface portions 28A. The pipe shaft 28 functions as a boss portion. The distance between the pair of flat surface portions 28A is formed to be slightly shorter than the width of the slit 22L.

12 (a) to 12 (e) show a bird's-eye view of the movement of the gate member 9 provided on the top surface of the cabinet 10. When the gate member 9 (see FIG. 12 (a)) in the shielded posture is rotated (see FIG. 12 (b)) and rotated by 180 °, further rotation is prevented (FIG. 12 (b)). c)), and then by moving along the frame portion 7 (see FIG. 12 (d)), the posture is switched to the open posture (see FIG. 12 (e)).

13 (a) to 13 (e) show a view of the movement of the gate member 9 provided on the top surface of the cabinet 10 from below. When the gate member 9 (see FIG. 13 (a)) in the shielded posture is rotated (see FIG. 13 (b)) and rotated by 180 °, further rotation is prevented (FIG. 13 (b)). c)), and then by moving along the frame portion 7 (see FIG. 13 (d)), the posture is switched to the open posture (see FIG. 13 (e)).

In this example, in addition to the rotation angle restricting unit 27C described above, another rotation restricting member is provided. Specifically, the notch 9A formed in a part of the gate member 9 (see FIG. 12A) and the fixing metal fitting 29 to which the notch 9A abuts when rotating prevents the rotation. (See FIGS. 12 (c) and 13 (c)).

As described above, the cabinet according to the present invention has an opening formed on the top surface, a notch formed in the frame portion for partitioning the top surface and communicating with the opening, and a gate member for shielding the notch. A cabinet equipped with a shield posture in which the notch is shielded by a gate member, and an open posture in which the gate member is moved from the notch along the frame portion so that the opening and the notch communicate with each other. A posture switching mechanism for holding the gate member so as to be able to change the posture while being attached to the frame portion is provided between the two.

Then, the posture switching mechanism rises from the slit plate attached to the frame portion and having a slit formed along the extending direction of the frame portion, and the base portion and the base portion movably supported along the slit, and the rotation shaft. It is provided with a support member provided with a rising portion for supporting the gate member, and a rotating body attached to the gate member and rotatably attached to the rotating shaft.

By rotating the gate member around the rotation axis from the shielded posture, the gate member moves in the extending direction of the frame portion along the slit together with the support portion, thereby switching to the open posture.

It is preferable to have a rotation angle regulating unit that regulates the rotation angle of the gate member. The rotation angle regulating portion can be composed of a contact piece provided on the rotating body and abutting against the back surface of the frame portion as the gate member rotates, and a notch formed in a part of the gate member. And, it is a fixing metal fitting for fixing the gate member, and can be composed of a fixing metal fitting that the notch comes into contact with when the gate member rotates.

Further, it is preferable to provide a guide member that guides the support member so as to move along the slit while maintaining the posture of the support member pivotally supported by the slit plate. The guide member is formed so as to fall from the base of the support member, and can be composed of a guide piece that comes into contact with the edge of the slit plate along the longitudinal direction of the slit so as to fall from the base of the support member. It can be composed of a guide piece that is formed and fits into the slit. Further, the guide member can be composed of a boss member that is movably arranged along the slit and has a pair of parallel flat surfaces formed so as to face the inner edge of the slit.

In the above-described embodiment, the cabinet 10 is a cabinet for a distribution board, and the opening is an opening for wiring for drawing wiring for connection to an electric device housed inside, and a gate when the wiring is pulled in. Although the method of switching the posture of the member to the open posture has been described, it is not limited to the cabinet for the distribution board.

The posture switching device according to the present invention is a posture switching device used in the above-mentioned cabinet and changes the posture of the gate member between the shielded posture and the open posture, and is attached to the frame portion along the extending direction of the frame portion. A support member having a slit plate in which a slit is formed, a base portion movably supported along the slit, and a rising portion that rises from the base portion and supports a rotation axis, and a support member that is attached to a gate member and rotates. It is equipped with a rotating body that is rotatably attached to the moving shaft.

The embodiments described above are merely examples of the present invention, and the description is not intended to limit the technical scope of the present invention, and the specific configuration of the cabinet and the posture switching device is the operation according to the present invention. Needless to say, it is possible to change and design as appropriate within the range where the effect is achieved. For example, the arrangement of the notch portion and the gate member is not limited to the left and right center portions of the frame portion, and may be biased to either the left or right. It is also possible to appropriately combine the above-described embodiments.

1: Casing 6: Opening 7: Frame 8: Notch 9: Gate member 10: Cabinet 20: Posture switching mechanism 22: Slit plate 22L: Slit 23A: Guide piece 25: Support member 27: Rotating body 27C: times Movement angle regulation part 28: Pipe shaft with flange (boss part)
P: Rotating shaft

Claims (11)

A cabinet provided with an opening formed on the top surface, a notch formed in a frame portion for partitioning the top surface and communicating with the opening, and a gate member for shielding the notch.
Between the shielding posture in which the notch portion is shielded by the gate member and the open posture in which the gate member is moved from the notch portion along the frame portion and the opening portion and the notch portion communicate with each other. A cabinet provided with a posture switching mechanism that holds the gate member so that the posture can be freely changed while the gate member is attached to the frame portion. The posture switching mechanism rises from a slit plate attached to the frame portion and having a slit formed along the extending direction of the frame portion, a base portion movably supported along the slit portion, and the base portion. The first aspect of claim 1, wherein a support member including a rising portion for supporting the rotation shaft and a rotating body attached to the gate member and rotatably attached to the rotation shaft are provided. cabinet. By rotating the gate member around the rotation axis from the shielding posture, the gate member moves together with the support portion in the extending direction of the frame portion along the slit, thereby switching to the open posture. 2. The cabinet according to claim 2. The cabinet according to claim 3, further comprising a rotation angle regulating unit that regulates the rotation angle of the gate member. The cabinet according to claim 4, wherein the rotation angle regulating portion is provided on the rotating body and is composed of a contact piece that comes into contact with the back surface of the frame portion as the gate member rotates. The cabinet according to any one of claims 1 to 5, further comprising a guide member for guiding the support member to move along the slit while maintaining the posture of the support member pivotally supported by the slit plate. .. The cabinet according to claim 6, wherein the guide member is formed so as to stand down from the base portion, and is composed of a guide piece that comes into contact with an edge portion of the slit plate along the longitudinal direction of the slit. The cabinet according to claim 6, wherein the guide portion is formed so as to fall down from the base portion and is composed of a guide piece fitted into the slit. The slit plate and the base are fixed with bolts and nuts via a boss member provided with a pair of flat surfaces formed so as to be movable along the slit and facing the inner edge of the slit. The cabinet according to claim 6, wherein the guide portion is composed of the pair of flat portions. The opening is an opening for wiring for drawing in wiring for connection to an electric device housed therein, and is any of claims 1 to 9 for switching the posture of the gate member to an open posture when the wiring is pulled in. The listed cabinet. A posture switching device used for the cabinet according to any one of claims 1 to 10 for changing the posture of the gate member between the shielded posture and the open posture.
A slit plate attached to the frame portion and having a slit formed along the extending direction of the frame portion, a base portion movably supported along the slit, and rising from the base portion to support a rotation shaft. A posture switching device including a support member having a rising portion and a rotating body attached to the gate member and rotatably attached to the rotating shaft.

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