JP2012095947A - Cover device for wiring opening - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cover device for a wiring opening which is excellent in operability and in which a cover member can be rotatably operated upward with a light force by enlarging a pressurizing region on the side part of the cover member.SOLUTION: The pivot 24 of the cover member 13 is installed to an inner side from the side end part of the cover member 13 in a closed position, thereby forming a pressurizing portion 25 in the side part of the cover member 13. In the side end part of the pivot 24 side in the front and rear opposing faces of a case body 11, a guiding groove 22 facing in a vertical direction and at least having an upper part tilting toward the inner side of the cover member 13, is installed and the pivot 24 slidably is fitted into the upper end of the guiding groove 22.

Description

  In the present invention, for example, a case body having an accommodation space for accommodating electrical equipment or the like is inserted into an opening provided on a top plate such as a table or desk, and a wiring opening at the upper end of the accommodation space in the case body is provided. The present invention relates to a cover device that can be opened and closed.

  As this type of conventional cover device, the upper edge of a case body (exterior box) having a storage space for accommodating an outlet or the like is engaged with and inserted into a rectangular opening provided on the top plate. The front and rear protrusions projecting from the outer ends of the pair of cover members (cover plates) opposite to the facing parts can be slid into the guide grooves facing the vertical direction provided on the inner wall of the case body facing the projecting parts. By fitting, the two cover members are erected around the protrusion from the closed position where the cover member is horizontally closed to close the opening at the upper end of the storage space, and are lowered to the storage space along the guide groove. Accordingly, there is one that is attached so as to be able to move to an open position where the opening is opened (see, for example, Patent Document 1).

Registered Utility Model No. 3011451

  In the cover device described in Patent Document 1, the end of the cover member on the protrusion side is pressed downward, and the cover member is erected upward about the protrusion, and then along the guide groove. Although it is lowered to the open position, since the protrusion is provided at the side end of the cover member, the area of the portion where the cover member is pressed with the finger, that is, the protrusion dimension protruding outward from the protrusion is extremely small. . Therefore, in order to turn the cover member upright, the side end portion must be pressed with a strong force, and there is a problem that the operability when opening the cover member to release the opening is poor. In particular, when a single cover member with a large left-right dimension is used, the operability is further deteriorated because the side end portion must be pressed more strongly.

  The present invention has been made paying attention to such problems, and by making the pressing area of the side portion of the cover member large, the operability can be turned upward with a light force. It is an object of the present invention to provide a wiring opening cover device which is excellent in the above.

In order to solve the above-described problem, the wiring opening cover device according to the present invention includes:
A case body having a storage space that opens upward is inserted into an opening provided in the top plate, and a cover member is placed horizontally on the wiring opening at the upper end of the case body so that the wiring opening is formed horizontally. From the closed position where the cable is closed to the open position where the wiring opening is opened by rotating upright about the pivot provided on the side and facing in the front-rear direction, and guiding it into the storage space. In the cover device for the wiring opening provided to be movable,
By providing the pivot on the inner side of the side end of the cover member at the closed position, a pressing portion is formed on the side of the cover member, and the side end on the pivot side on the front and rear facing surfaces of the case body The guide groove is provided with a guide groove that is directed in the vertical direction and at least the upper part is inclined toward the inner side of the cover member, and the pivot is slidably fitted to the upper end of the guide groove.
According to this feature, the size of the pressing portion that can be pressed by the finger formed on the side portion of the cover member is increased, the pressing area by the finger is increased, and the guide shaft is formed such that the upper portion is inclined inward. Since the cover member is fitted to the upper end of the cover member, the cover member can be easily turned upward only by pressing the pressing portion with a light force, and a cover device having excellent operability can be provided.

The wiring opening cover device of the present invention is
A partition piece facing in the front-rear direction is provided on a side portion in the housing space of the case body, and a guide groove is provided on the front and back of the case body on the outer side of the partition piece, whereby the partition piece and the case body are provided. The cover member is accommodated in a space portion formed by the inner surface of the first and second inner surfaces.
According to this feature, since the space portion in which the cover member is accommodated and the accommodation space in which the electric machine or the like is accommodated are partitioned by the partition piece, the cover member can be placed in the space portion without causing the cover member to interfere with the electrical equipment. Can be accommodated smoothly.

The wiring opening cover device of the present invention is
An outwardly extending piece extending toward the inner side surface of the cover member accommodated in the space is provided on the outer side surface of the partition piece.
According to this feature, a part of the space is closed by the outwardly facing piece, so that the small article on the top plate is prevented from falling into the case body when the cover member is in the open position.

The wiring opening cover device of the present invention is
When the cover member has an inwardly U-shaped cross section and the cover member is accommodated in the space portion of the side portion of the case body, at least the distal end portion of the outwardly facing piece is fitted into the U-shaped space portion of the cover member. It is characterized by that.
According to this feature, since the cover member is guided by the outward piece when the cover member moves to the open position, the cover member can be prevented from wobbling in the front-rear direction.

The wiring opening cover device of the present invention is
The front and rear surfaces of the side end of the cover member opposite to the pivot, and the upper end of the cover member on the front and rear opposing surfaces of the case body and the upper end of the intermediate portion in the left-right direction are detachably engaged with each other. A protrusion and a recess that can hold the cover member in the closed position and the open position by being joined together are provided.
According to this feature, the cover member is stably held in the closed position and the open position without rattling, and the cover member in the closed position does not rotate in an unnatural manner.

The wiring opening cover device of the present invention is
The cover member consists of a pair of left and right, and the pivots provided on the sides opposite to the opposing parts of both cover members are slidably fitted in the guide grooves provided on both sides of the front and rear opposing surfaces of the case body. By combining the two cover members, the two cover members can be raised and rotated in opposite directions.
According to this feature, the left and right dimensions of the left and right cover members are reduced, and the vertical dimension at the open position can be reduced, so that the vertical dimension of the case body can be reduced and the size can be reduced. it can. Moreover, since the rotation radius of both cover members becomes small, those rotation operation becomes easy.

It is a perspective view of a folding table provided with the cover apparatus of the Example of this invention. It is a top view of a part of top plate and the cover member inserted in it. Similarly, it is a top view when moving a cover member to an open position. It is a perspective view of a part of top plate and the cover apparatus inserted in it. Similarly, it is a perspective view when a cover member is moved to an open position. FIG. 3 is an enlarged longitudinal front view taken along line VI-VI in FIG. 2. Similarly, it is an enlarged vertical front view when the pressing portion of the cover member is pressed to raise the cover member. FIG. 4 is an enlarged longitudinal front view taken along line VIII-VIII in FIG. 3. FIG. 3 is an enlarged longitudinal sectional side view of a main part along the line IX-IX in FIG. 2. FIG. 4 is an enlarged longitudinal sectional side view of a main part along the line XX in FIG. 3.

  EMBODIMENT OF THE INVENTION The form for implementing the cover apparatus of the opening part for wiring which concerns on this invention is demonstrated below based on an Example.

  FIG. 1 is a perspective view of a folding table provided with a cover device according to an embodiment of the present invention as seen obliquely from the front, and this folding table 1 is composed of a pair of left and right opposed surfaces connected by lateral coupling rods 2. The legs 3 and 3 and the pair of left and right brackets 4 and 4 rotatably attached to the upper ends of both legs 3 have a horizontal use position and a folding position standing on the rear side of the legs 3. And a top plate 5 attached so as to be able to rotate between them.

  The left and right legs 3, 3 have upper and lower rear legs 6 inclined obliquely upward and forward, and upper ends of the outer surfaces of the vertical middle portions thereof so as to form a substantially “human” shape in side view. The caster 8 is attached to the lower end of the rear leg 6 and the front leg 7. A cover device 9 of the present invention is provided at the center in the left-right direction at the rear end of the top plate 5.

  As shown in FIGS. 2 to 8, the cover device 9 is attached to a case body 11 made of a synthetic resin that has a housing space 10 that opens in both the vertical direction and is long in the horizontal direction, and a wiring opening 12 at the upper end thereof. And a pair of left and right synthetic resin cover members 13, 13. In the housing space 10, an outlet box 16 having an outlet 14 and a communication cable connection terminal 15 is latched by latching pieces 17, 17 provided on the front and rear facing surfaces of the case body 11, and is detachably accommodated. It has come to be.

  The case body 11 is fitted and inserted into a substantially rectangular opening 18 formed in the top plate 5 facing the left-right direction, and the lower surface of the outward flange portion 11d protruding from the outer peripheral edge of the upper end of the case body 11 is opened to the opening 18. By being locked to the upper surface of the peripheral edge portion of the rim, it is prevented from falling downward.

  On both side portions in the housing space 10 of the case body 11, partition pieces 19, 19 facing in the front-rear direction are connected to the opposing surfaces of the front plate 11 a and the rear plate 11 b in the case body 11, The case body 11 is integrally connected. The space portions 20 and 20 formed between the facing surfaces of the left and right partitioning pieces 19 and 19 and the left and right side plates 11c and 11c facing the partitioning pieces 19 and 19 are obtained when the left and right cover members 13 and 13 are moved to the open position. It is a containment section.

  Diagonally downward outward pieces 21, 21 extending toward the central portion of the space portion 20 are integrally connected to the upper end portions of the outer side surfaces of the partition pieces 19. As will be described later, the outwardly facing piece 21 has a function of preventing small articles on the top plate 5 from falling into the case body 11 when the cover member 13 is in the open position, and the cover member 13 in the open position. And a function as a guide member.

  On the outer side of the left and right partitioning pieces 19, the opposing surfaces of the both end portions of the front plate 11 a and the rear plate 11 b face in the vertical direction and the upper part is in an arc shape toward the inner side of the left and right cover members 13, 13. Inclined guide grooves 22 and 22 are provided so as to face each other in the front-rear direction with the space 20 interposed therebetween. The upper ends of both guide grooves 22 are extended to the upper ends of the front plate 11 a and the rear plate 11 b so as to be located slightly outside the upper end of the partition piece 19.

  On the opposing surfaces of the front plate 11a and the rear plate 11b in the left and right central portions of the upper end portion and the opposite side end portions, there are two convex portions 23 at the central portion and one convex portion 23 at the side end portions, respectively. Projected. Each convex portion 23 has an arc shape with a small projecting dimension, and the convex portions 23 at both end portions are provided in the extending direction of the vertical straight portion of the guide groove 22. In addition, each convex part 23 is for hold | maintaining the cover member 13 on either side in the obstruction | occlusion position and an open position so that it may mention later.

  The left and right cover members 13, 13 have an inwardly U-shaped cross section as shown in FIGS. 3 and 9, and the front and rear sides of the side portion opposite to the facing portion of each cover member 13 are front and rear. Projecting pivots 24, 24 are provided (see FIG. 2). The pivot 24 protrudes inward in the required dimension from the side end of the cover member 13, and the portions outside the pivot 24 in both cover members 13 are left and right pressing parts 25 that can be pressed with fingers. Yes. A finger hook recess 26 that is slightly long in the front-rear direction is formed at the center of the upper surface of the pressing portion 25.

  The front and rear pivots 24 are slidably fitted to the upper ends of the guide grooves 22 facing the front and rear of both the left and right side portions when the cover members 13 are in the horizontal closed position. Concave portions 27 and 27 are provided on both front and rear surfaces of the opposite end portions of the left and right cover members 13 and 13.

  As shown in FIG. 9, when the left and right cover members 13, 13 are in the closed position, the both concave portions 27 are formed on the convex portions 23, 23 in the central portion, and as shown in FIG. When it is in the open position, it engages with the convex portions 23 at the side end portions, so that the left and right cover members 13 can be held in the closed position and the open position.

  In the cover device 9 described above, in order to move the left and right cover members 13 and 13 in the closed position to the open position, as shown in FIG. The finger-hanging recess 26 provided on the upper surface is pressed downward with a finger. Then, the cover member 13 rises and pivots around the pivot 24 fitted to the upper end of the guide groove 22. At this time, since the upper portion of the guide groove 22 is inclined toward the inner side of the cover member 13, the pivot shaft 24 is less likely to move below the guide groove 22, and thus the cover member 13 can be easily rotated upward. .

  Next, the cover member 13 that has been erected and rotated is held by hand, is rotated upward until it is substantially vertical, and is moved downward. As a result, as shown in FIG. 8, the cover member 13 is lowered along the guide groove 24 to a position where the pivot 24 comes into contact with the lower end of the guide groove 24, and a space portion formed on the side portion in the case body 11. It moves to the open position accommodated in 20. At this time, since the outward piece 21 protruding from the partition piece 19 extends toward the inner surface of the cover member 13, the inside of the space portion 20 is substantially closed by the outward piece 21. Therefore, the small articles on the top plate 5 are prevented from falling into the case body 11.

  When the cover member 13 moves to the open position, as shown in FIG. 3, the tip of the outward piece 21 protruding from the outer side surface of the partition piece 19 is in the space part where the inner side surface of the cover member 13 forms a U-shape. Since the cover member 13 is guided by the outward piece 21, it is prevented from wobbling in the front-rear direction.

  When the cover member 13 moves to the storage position, as shown in FIG. 10, the concave portion 27 of the cover member 13 protrudes from the side end portion of the facing surface of the front plate 11 a and the rear plate 11 b in the case body 11. By engaging with 23, the cover member 13 is held in the open position.

  When the cover members 13 are moved to the open position in this way, the wiring opening 12 at the upper end of the case body 11 is largely opened, so that the power cable for the OA equipment or the like used on the top surface of the top plate 5 is used. A communication cable or the like can be connected to the outlet 14 and the connection terminal 15 of the outlet box 16. When the outlet box 16 is not used, the left and right cover members 13 may be moved to the closing position by the operation opposite to that described above to close the wiring opening 12. When in the closed position, the concave portions 27 at the opposite ends of the cover members 13 engage with the left and right convex portions 23, 23 at the center of the case body 11, and the covers 13 are held in the closed position.

  As described above, in the cover device 9 of the embodiment, the pivot 24 of the cover member 13 is formed so that the left and right pressing portions 25 that can be pressed with fingers are formed on the side end portions of the cover member 13. Since the pivot member 24 is fitted to the upper end of the guide groove 22 whose upper part is inclined inward, the pressing part 25 is lightly applied. The cover member 13 can be easily turned upward simply by pressing the button.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.

  For example, in the above-described embodiment, in order to reduce the vertical dimension of the case body 11 to reduce the size, and to facilitate the rotation operation, the cover member 13 is made to be smaller than the pair of left and right having a small lateral dimension. However, it is also possible to use one cover member having a left and right dimension capable of closing the wiring opening 12. Even at this time, the cover member can be erected and rotated with a relatively light force in the manner described above. When using one cover member, it goes without saying that the pivot 24 and the guide groove 22 are provided only on one side of the cover member and the case body 11, respectively.

DESCRIPTION OF SYMBOLS 1 Folding table 5 Top plate 9 Cover apparatus 10 Housing space 11 Case body 12 Opening part 13 for wiring 13 Cover member 16 Outlet box 19 Partition piece 20 Space part 21 Outward piece 22 Guide groove 23 Protrusion part 24 Pivot part 25 Push part 26 Finger hook recessed part 27 Recess

Claims (6)

A case body having a storage space that opens upward is inserted into an opening provided in the top plate, and a cover member is placed horizontally on the wiring opening at the upper end of the case body so that the wiring opening is formed horizontally. From the closed position where the cable is closed to the open position where the wiring opening is opened by rotating upright about the pivot provided on the side and facing in the front-rear direction, and guiding it into the storage space. In the cover device for the wiring opening provided to be movable,
By providing the pivot on the inner side of the side end of the cover member at the closed position, a pressing portion is formed on the side of the cover member, and the side end on the pivot side on the front and rear facing surfaces of the case body The wiring is characterized in that a guide groove is provided in the portion so as to face in the vertical direction and at least the upper part is inclined toward the inner side of the cover member, and the pivot is slidably fitted to the upper end of the guide groove. Opening cover device.   A partition piece facing in the front-rear direction is provided on a side portion in the housing space of the case body, and a guide groove is provided on the front and back of the case body on the outer side of the partition piece, whereby the partition piece and the case body are provided. The cover device for a wiring opening according to claim 1, wherein a cover member is accommodated in a space formed by the inner surface of the wiring opening.   3. The cover device for a wiring opening according to claim 2, wherein an outwardly extending piece extending toward an inner surface of the cover member accommodated in the space is provided on the outer surface of the partitioning piece.   When the cover member has an inwardly U-shaped cross section and the cover member is accommodated in the space portion of the side portion of the case body, at least the distal end portion of the outwardly facing piece is fitted into the U-shaped space portion of the cover member. The wiring opening cover device according to claim 3, wherein the wiring opening is covered with the cover device.   The front and rear surfaces of the side end of the cover member opposite to the pivot, and the upper end of the cover member on the front and rear opposing surfaces of the case body and the upper end of the intermediate portion in the left-right direction are detachably engaged with each other. 5. The wiring opening cover device according to claim 1, wherein a convex portion and a concave portion are provided to hold the cover member in the closed position and the open position by being joined together.   The cover member consists of a pair of left and right, and the pivots provided on the sides opposite to the opposing parts of both cover members are slidably fitted in the guide grooves provided on both sides of the front and rear opposing surfaces of the case body. 6. The cover device for a wiring opening according to any one of claims 1 to 5, wherein the two cover members can be erected and rotated in opposite directions by being combined.

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