JP7244261B2 - Furniture with top plate - Google Patents

Description

The present invention relates to furniture with a top plate.

2. Description of the Related Art In recent years, in furniture with a top plate installed in facilities such as offices, hospitals, and public facilities, users sometimes use electronic devices on the top plate. For this reason, there is known a configuration in which a wiring connection system for supplying power to electronic devices, connecting to the Internet, etc. is provided on the top plate of furniture with a top plate.

Patent Literature 1 listed below discloses, as a wiring connection system, a configuration in which a wiring tray for mounting a connection unit such as a table tap is provided below a top plate. In the configuration described in Patent Literature 1 below, the user can route the wiring of the electronic device through the wiring insertion hole formed in the top plate to the lower side of the top plate, for example, to the connection unit placed on the wiring tray. Wiring can be connected. Also, when the wiring connection unit is not in use, the wiring insertion hole is closed with the wiring cover, thereby improving the appearance of the furniture with a top plate when the connection unit is not in use.

JP 2017-79820 A

In the conventional technology described above, the wiring cover and the wiring tray are attached to the top plate. Therefore, an increase in the number of mounting seats (for example, a female threaded portion) formed on the top plate and complicated processing may lead to an increase in manufacturing cost. Moreover, attaching the wiring cover and the wiring tray to the top plate separately poses a problem of a large number of assembling man-hours. On the other hand, if the wiring cover and the wiring tray were formed as an integral part, the structure would be complicated and the manufacturing cost would be increased.

SUMMARY OF THE INVENTION An object of the present invention is to provide a fixture with a top plate that can reduce costs and man-hours for assembly.

In order to achieve the above object, a fixture with a top plate according to one aspect of the present invention includes a support structure, a top plate supported by the support structure, and a wiring insertion hole vertically penetrating the top plate. A wiring cover that opens and closes, a cover support part that has a support part mounting piece that is attached to a mounting part of the top plate or the support structure, a cover support part that supports the wiring cover, and a tray that is mounted to the mounting part a wiring tray having a mounting piece and covering the wiring insertion hole from below, wherein the cover supporting portion and the wiring tray are attached to either the supporting portion mounting piece or the tray mounting piece. The second attachment piece, which is the other attachment piece, is sandwiched in the first direction between the first attachment piece and the attached portion, and is fixed to the attached portion.

According to this aspect, by sandwiching the second mounting piece between the first mounting piece and the mounted portion, compared to the case where the cover support portion and the wiring tray are separately fixed to the mounted portion, the It is possible to reduce the number of mounting seats to be formed and fixing members (for example, fastening members) for fixing the cover supporting portion and the wiring tray. As a result, it is possible to reduce manufacturing costs and assembly man-hours. Moreover, by forming the cover supporting portion and the wiring tray as separate parts, compared to the case where the cover supporting portion and the wiring tray are integrally formed, the configuration of each part can be simplified and the manufacturing cost can be reduced.

In the fixture with a top plate of the aspect described above, the first attachment piece is formed with a first through hole penetrating the first attachment piece in the first direction, and the second attachment piece has a A second through hole is formed at a position overlapping with the first through hole so as to pass through the second mounting piece in the first direction. It may be integrally fixed to the attached portion by a fastening member fastened to the attached portion through the second through hole.
According to this aspect, by integrally fixing (fastening together) the cover supporting portion and the wiring tray, it is possible to more reliably reduce the number of mounting seats and fixing members. This makes it possible to further reduce manufacturing costs and assembly man-hours.

In the fixture with a top plate of the aspect described above, one member of the cover support portion and the wiring tray has an engaging portion that engages with the other member in a direction that intersects the first direction. may
According to this aspect, it is possible to suppress relative movement between the cover supporting portion and the wiring tray in the direction intersecting the first direction. As a result, positional deviation of the cover supporting portion and the wiring tray with respect to the attached portion can be suppressed. Further, by engaging the cover supporting portion and the wiring tray before assembly to the mounting portion, the cover supporting portion and the wiring tray can be integrally assembled to the mounting portion. As a result, it is possible to improve assembly efficiency.

In the fixture with a top plate of the aspect described above, the first attachment piece is formed with a first through hole penetrating the first attachment piece in the first direction, and the second attachment piece has a A second through hole is formed at a position overlapping with the first through hole so as to pass through the second mounting piece in the first direction. It is integrally fixed to the attached portion by a fastening member that is fastened to the attached portion through the second through hole, and the engaging portion passes through one of the first through hole and the second through hole. A hole engaging portion may be provided that enters the other through hole from the opening edge of the hole.
According to this aspect, the displacement of the first through-hole and the second through-hole can be reliably suppressed. As a result, it is possible to improve assembly efficiency.

In the fixture with a top plate of the above aspect, the engaging portion extends from the outer peripheral edge of one of the first mounting piece and the second mounting piece toward the other mounting piece, and It may be provided with an outer peripheral engaging portion surrounding the outer peripheral edge of the.
According to this aspect, it is possible to suppress positional deviation between the cover supporting portion and the wiring tray, thereby improving assembly efficiency. In addition, at least part of the overlapped portion of the cover supporting portion and the wiring tray can be covered with the outer peripheral engaging portion, so that the appearance can be improved.

According to each aspect described above, it is possible to reduce the cost and the number of assembling man-hours.

It is a perspective view of the furniture with a top plate which concerns on 1st Embodiment. 1 is an exploded perspective view of a wiring connection system according to a first embodiment; FIG. FIG. 3 is a perspective view of a cover receiving member, a holding member, and a connection unit according to the first embodiment; FIG. 4 is a cross-sectional view of the fixture with a top plate at a portion corresponding to line IV-IV in FIG. 3; 1 is a perspective view of an adapter according to a first embodiment; FIG. FIG. 4 is a cross-sectional view of the fixture with a top board corresponding to line VI-VI in FIG. 3; FIG. 2 is a cross-sectional view along line VII-VII of FIG. 1; FIG. 2 is a cross-sectional view along line VIII-VIII of FIG. 1; It is a top view of the furniture with a top plate which concerns on the modification of 1st Embodiment. It is a top view of the furniture with a top plate which concerns on the modification of 1st Embodiment. It is sectional drawing corresponding to FIG. 4 of the furniture with a top plate which concerns on the modification of 1st Embodiment. It is a perspective view of the wiring connection system which concerns on 2nd Embodiment. FIG. 11 is a perspective view of a wiring connection system according to a third embodiment; FIG. 14 is a cross-sectional view along line XIV-XIV in FIG. 13;

Next, embodiments of the present invention will be described based on the drawings. In the following description, the direction orthogonal to the floor surface F is the vertical direction (first direction: arrow UP is the upper side), and the two directions orthogonal to the vertical direction are the front-back direction (arrow FR is the front side) and the left-right direction (arrow LH is on the left).

(First embodiment)
[Furniture with top plate]
FIG. 1 is a perspective view of the fixture 1 with a top plate.
As shown in FIG. 1, the fixture 1 with a top plate of this embodiment is a table installed, for example, in an office or a meeting room of a public facility. The fixture with a top plate 1 includes a top plate unit 11 and a support structure 12. - 特許庁

<Top plate unit>
The top plate unit 11 includes a top plate (mounted portion) 21 and a wiring connection system 22 .
The top plate 21 is formed, for example, in a square shape in plan view. However, the outer shape of the top plate 21 in a plan view is not limited to a square shape, and may be appropriately changed to a rectangular shape, a circular shape, a triangular shape, or the like. The top plate 21 is made of, for example, wood or metal.
Various electronic devices D<b>1 and D<b>2 (for example, a personal computer, a smart phone, a tablet computer, etc.) can be placed on the top plate 21 . In this embodiment, the electronic devices D1 and D2 are placed on the top plate 21 at positions facing each other in the front-rear direction with the wiring connection system 22 interposed therebetween.

A wiring insertion hole 23 is formed through the top plate 21 in the vertical direction at the center portion (the center portion in the front-rear direction and the left-right direction) of the top plate 21 . The wire insertion hole 23 is formed in a square shape in plan view. However, the outer shape of the wiring insertion hole 23 in a plan view is not limited to a square shape, and may be appropriately changed to a rectangular shape, a circular shape, a triangular shape, or the like. The position of the wiring insertion hole 23 in the top plate 21 is not limited to the central portion, and may be formed at a position shifted in the front-back direction and the left-right direction with respect to the center portion of the top plate 21 . At least a portion of the wiring insertion hole 23 may be open at the outer peripheral edge of the top plate 21 .

The wiring connection system 22 connects, for example, the wiring C1, C2 drawn from the electronic devices D1, D2 placed on the top plate 21 to an external power source, the Internet, etc., or guides them below the top plate 21. It is for Details of the wiring connection system 22 will be described later.

<Support structure>
The support structure 12 has a plurality of legs 31 . Each leg portion 31 is erected upward from the floor surface F. As shown in FIG. Each leg 31 is attached via a bracket 32 to a position corresponding to each corner on the lower surface of the top plate 21, for example. Thereby, the top plate unit 11 is supported by the support structure 12 from below. Note that the support structure 12 may have a configuration in which the upper ends of the legs 31 are connected to a frame-like frame member attached to the lower surface of the top plate 21, for example.

Casters 33 that can run on the floor surface F are attached to the lower ends of the legs 31 . However, the leg portion 31 may be configured without the caster 33 or may be configured with an adjuster or the like instead of the caster 33 .

<Wiring connection system>
FIG. 2 is an exploded perspective view of the wiring connection system 22. As shown in FIG.
The wiring connection system 22 includes a wiring receiving unit 41 , a holding member 42 , a connection unit 43 , a first wiring cover 44 and a second wiring cover 45 .

<Wiring receiving unit>
The wiring receiving unit 41 is attached from below to the top plate 21 at a position corresponding to the wiring insertion hole 23 in the top plate 21 . The wiring receiving unit 41 includes a cover supporting portion 51 and a wiring tray 52 .
The cover support portion 51 includes a pair of left and right cover receiving members 55 arranged along the left and right opening edges of the wire insertion hole 23 . Each cover receiving member 55 has a symmetrical structure. Therefore, in the following description, one (right) cover receiving member 55 will be described.

3 is a perspective view of the cover receiving member 55, the holding member 42 and the connection unit 43. FIG.
As shown in FIG. 3 , the cover receiving member 55 is arranged along the right opening edge of the wiring insertion hole 23 on the lower surface of the top plate 21 . The cover receiving member 55 is integrally formed of a resin material or the like. The cover receiving member 55 includes a mounting base (a supporting portion mounting piece, a second mounting piece) 61, a rotating shaft portion (a first rotating shaft portion 62 and a second rotating shaft portion 63), and a pedestal portion (first A pedestal portion 64 and a second pedestal portion 65) are provided.

The mounting base 61 is an elongated member that extends in the front-rear direction along the right opening edge of the wiring insertion hole 23 . The mounting base 61 is arranged below the top plate 21 in a state where at least both ends in the front-rear direction are covered with the top plate 21 from above. In the present embodiment, the right side portion of the central portion of the mounting base 61 in the front-rear direction is covered with the top plate 21 from above, and the left side portion is exposed to the outside through the wire insertion hole 23 . Base insertion holes (second through holes, first through holes) 60 that penetrate the mounting base 61 in the vertical direction are formed at both front and rear end portions of the mounting base 61 .

A pair of notches (a first notch 66 and a second notch 67) are formed in portions of the mounting base 61 located on both sides of the center in the front-rear direction. Each of the cutouts 66 and 67 is formed in a rectangular shape with the left-right direction as the longitudinal direction in plan view. Each notch 66 , 67 extends vertically through the mounting base 61 and opens on the left edge of the mounting base 61 . At least a part of the cutouts 66 and 67 is arranged inside the wire insertion hole 23 in plan view. A plurality of ribs 69 extending downward from the mounting base 61 are formed on the mounting base 61 .

The first rotation shaft portion 62 is formed inside (closer to the center) in the front-rear direction than the first notch portion 66 of the mounting base 61 . The second rotation shaft portion 63 is formed inside the second notch portion 67 in the front-rear direction of the mounting base 61 . Each of the rotating shafts 62 and 63 is erected upward from the left edge of the mounting base 61 . That is, each of the rotating shafts 62 and 63 enters the wire insertion hole 23 from below. At the center of the mounting base 61, a relief portion 71 is formed which is recessed downward. The escape portion 71 surrounds the rotation shaft portions 62 and 63 .

The first pedestal portion 64 bulges upward from a portion of the mounting base 61 that is located in front of the first notch portion 66 . The second pedestal portion 65 bulges upward from a portion of the mounting base 61 located behind the second cutout portion 67 . In the present embodiment, the pedestals 64 and 65 are arranged close to corners facing each other in the front-rear direction inside the wire insertion hole 23 . In addition, each of the pedestals 64 and 65 has a symmetrical configuration in the front-rear direction. Therefore, in the following description, the first pedestal portion 64 will be mainly described, and the second pedestal portion 65 may be assigned the same reference numerals as the first pedestal portion 64 and the description thereof may be omitted.

The first pedestal portion 64 is formed in a rectangular shape in plan view. Specifically, the first pedestal portion 64 includes a lower step portion 73 , a middle step portion 74 and an upper step portion 75 .
The lower step portion 73 is formed at the corner formed by the front edge of the first notch 66 and the left edge of the mounting base 61 in the mounting base 61 . The upper surface of the lower step portion 73 is positioned above the upper surface of the mounting base 61 and is a flat surface perpendicular to the vertical direction. A holding hole 73a is formed in the lower portion 73 so as to penetrate the lower portion 73 in the vertical direction.

The middle section 74 is continuous with the lower section 73 on the front and right sides. The upper surface of the middle step portion 74 is positioned above the upper surface of the lower step portion 73 and is a flat surface perpendicular to the vertical direction.
The upper step portion 75 is arranged at a position diagonal to the lower step portion 73 in the first pedestal portion 64 . The upper surface of the upper step portion 75 is positioned above the upper surface of the middle step portion 74 and is a flat surface perpendicular to the vertical direction. The upper surface of the upper stage portion 75 is arranged below the upper surface of the top plate 21 . However, the upper surface of the upper stage portion 75 may be arranged flush with the upper surface of the top plate 21 .

As shown in FIG. 2, the wiring tray 52 covers the wiring insertion hole 23 from below (see FIG. 6, etc.). The wiring tray 52 includes a bottom wall portion 81 , a front wall portion 82 , a rear wall portion 83 , a right wall portion 84 and a left wall portion 85 .
The bottom wall portion 81 is disposed below the top plate 21 so as to face the wiring insertion hole 23 . A central portion of the bottom wall portion 81 is formed with a bulging portion 81a that bulges upward. The bulging portion 81 a has a function of ensuring the rigidity of the bottom wall portion 81 . A table tap or the like may be placed on the bottom wall portion 81 .

The front wall portion 82 extends upward from the front edge of the bottom wall portion 81 . The rear wall portion 83 extends upward from the rear edge of the bottom wall portion 81 . The front wall portion 82 and the rear wall portion 83 are configured symmetrically in the front-rear direction. Therefore, in the following description, the front wall portion 82 will be mainly described, and the rear wall portion 83 will be given the same reference numerals as the front wall portion 82, and description thereof may be omitted.

The front wall portion 82 is formed over the entire length of the bottom wall portion 81 in the left-right direction. A wiring passage opening 87 is formed in the front wall portion 82 so as to pass through the front wall portion 82 in the front-rear direction. The wiring passage opening 87 is open at the upper edge of the front wall portion 82 . However, the position, number, shape, and the like of the wiring passage openings 87 can be appropriately changed as long as the wiring passage openings 87 penetrate a part of the front wall portion 82 in the front-rear direction. For example, the wire passage opening 87 may be surrounded entirely by the front wall portion 82 , and may be open at the lower edge of the front wall portion 82 or the edge facing in the left-right direction.

Flange portions (tray mounting pieces, first mounting pieces) 89 are formed at both left and right ends (portions located on both left and right sides of the wiring passage opening 87) of the upper edge of the front wall portion 82 . The flange portion 89 extends forward from the upper edge of the front wall portion 82 .

FIG. 4 is a cross-sectional view of the fixture with a top plate 1 at a portion corresponding to line IV-IV in FIG.
As shown in FIGS. 2 and 4, the flange portion 89 overlaps the front end portion of the mounting base 61 of the cover support portions 51 described above from below. As shown in FIG. 4, in the flange portion 89, tray insertion holes (first through hole, second through hole) penetrating the flange portion 89 in the vertical direction are provided at positions overlapping the above-described base insertion holes 60 in plan view. ) 90 are formed. The inner diameter of the tray insertion hole 90 is smaller than that of the base insertion hole 60 .

A screw 91 is inserted into the tray insertion hole 90 and the base insertion hole 60 from below while the mounting base 61 and the flange portion 89 are superimposed in the vertical direction. The screws 91 are fastened from below to the female threaded portion (attached portion) 21 a of the top plate 21 through the tray insertion hole 90 and the base insertion hole 60 . As a result, the cover support portion 51 and the wiring tray 52 are fastened together with the screws 91 in a state in which the mounting base 61 is vertically sandwiched between the top plate 21 and the flange portion 89 .

A hole engaging portion 93 is formed at the opening edge of the tray insertion hole 90 . The hole engaging portion 93 is erected upward from the opening edge of the tray insertion hole 90 . The hole engaging portion 93 is inserted into the base insertion hole 60 . That is, the outer peripheral surface of the hole engaging portion 93 is close to or abuts (engages) with the inner peripheral surface of the base insertion hole 60 in a direction perpendicular to the vertical direction. In this embodiment, the hole engaging portion 93 is formed along the entire periphery of the opening edge of the tray insertion hole 90 . However, the hole engaging portion 93 may be formed on at least a part of the opening edge of the tray insertion hole 90 .

An outer peripheral engaging portion 94 is formed on the outer peripheral edge of the flange portion 89 . Outer peripheral engaging portions 94 are erected upward from the front edge and both left and right edges of the outer peripheral edge of the flange portion 89 . The outer peripheral engaging portion 94 surrounds the front end portion of the mounting base 61 from the front and from both left and right sides. In other words, the inner peripheral surface of the outer peripheral engaging portion 94 approaches or contacts (engages) the outer peripheral surface of the front end portion of the mounting base 61 in a direction perpendicular to the vertical direction. Note that the outer peripheral engaging portion 94 may be formed at least partially on the outer peripheral edge of the flange portion 89 . The upper end surfaces of the hole engaging portion 93 and the outer peripheral engaging portion 94 are preferably arranged flush with the upper surface of the mounting base 61 .

As shown in FIG. 2 , the right wall portion 84 extends upward from the right edge of the bottom wall portion 81 . A portion of the wiring tray 52 surrounded by the front wall portion 82 , the rear wall portion 83 , and the right wall portion 84 defines a wiring passage opening 97 that communicates the inside and outside of the wiring tray 52 .
The left wall portion 85 extends upward from the left edge of the bottom wall portion 81 . A portion of the wiring tray 52 surrounded by the front wall portion 82 , the rear wall portion 83 , and the left wall portion 85 defines a wiring passage opening 98 that communicates the inside and the outside of the wiring tray 52 .

<Holding member>
As shown in FIG. 3, the holding member 42 detachably holds the connection unit 43 . The holding member 42 has a pair of adapters 100 . The pair of adapters 100 is attached to and detached from the cover support portion 51 while being accommodated in the notch portions (first notch portions 66 in this embodiment) that face each other in the left-right direction of the cover support portion 51 described above. installed as possible. Each adapter 100 has the same configuration. Therefore, in the following description, the one (right) adapter 100 will be mainly described, and the other adapter 100 may be assigned the same reference numerals as the one adapter 100 and description thereof may be omitted.

FIG. 5 is a perspective view of the adapter 100. FIG. FIG. 6 is a cross-sectional view of the fixture with a top board 1 corresponding to line VI-VI in FIG.
As shown in FIGS. 5 and 6 , the adapter 100 includes a unit housing portion 101 and mounting pieces 102 .
The unit housing portion 101 is formed in a box shape that opens upward and to the left. As shown in FIG. 6 , a ridge 106 is formed on the right wall portion 105 of the unit housing portion 101 . The ridge 106 extends vertically. In this embodiment, a pair of protrusions 106 are formed on both sides of the center of the right wall portion 105 in the front-rear direction. An upper end portion of the right wall portion 105 is formed with a locking hole 107 penetrating the right wall portion 105 in the left-right direction.

As shown in FIG. 5 , the mounting piece 102 surrounds the front wall portion 112 , the right wall portion 105 and the rear wall portion 113 of the housing portion 101 . Insertion grooves (front-side insertion groove 115 and rear-side insertion groove 116 ) are formed in both front and rear edges of the mounting piece 102 .

As shown in FIGS. 2 and 5, the adapter 100 is attached to the cover support portion 51 (attachment base 61) while being housed in the first notch portion 66. As shown in FIG. Specifically, the adapter 100 is inserted into the wire insertion hole 23 from above with the lower wall portion 117 of the unit accommodating portion 101 facing downward, and then the adapter 100 is moved to the right (outside in the left-right direction). Then, the adapter 100 is inserted into the first cutout portion 66 of the cover support portion 51 on the right side. Then, the opening edge of the notch 66 in the mounting base 61 is inserted into the insertion grooves 115 and 116 . That is, the front opening edge and the left opening edge of the first notch 66 are inserted into the front insertion groove 115 . On the other hand, the rear opening edge and the left opening edge of the first notch 66 are inserted into the rear insertion groove 116 . As a result, the adapter 100 is engaged with the cover support portion 51 so as not to move in the front-back direction and the up-down direction.

<Connection unit>
As shown in FIG. 2 , the connection unit 43 is detachably attached to the wire receiving unit 41 via the holding member 42 . The connection unit 43 has a wiring box 120 and a cable 121 drawn out from the wiring box 120 .
The wiring box 120 has a box shape whose longitudinal direction is the left-right direction. The upper surface of the wiring box 120 is open with an electrical connection portion 122 to which the wirings C1 and C2 drawn out from the electronic devices D1 and D2 can be connected. The electrical connection unit 122 is, for example, a receptacle for an outlet plug, a USB (Universal Serial Bus) connector, a LAN (Local Area Network) connector, or the like.

Holding grooves 126 are formed in both lateral walls 125 of the wiring box 120 . The holding groove 126 opens on the lower surface of the wiring box 120 and extends vertically. A pair of holding grooves 126 are formed spaced apart in the front-rear direction.
A tongue portion 128 is provided in a portion of the side wall 125 of the wiring box 120 located between the pair of holding grooves 126 . The tongue piece 128 is configured to be flexibly deformable in the left-right direction while the lower end is connected to the side wall 125 . An upper end portion of the tongue portion 128 is formed with a locking claw 129 projecting outward in the left-right direction (in the direction away from the center of the wiring box 120 in the left-right direction).

FIG. 7 is a cross-sectional view taken along line VII--VII of FIG.
As shown in FIG. 7, the wiring box 120 is housed in the unit housing portion 101 of the adapter 100 described above at both ends in the left-right direction, so that the wiring box 120 is bridged between the pair of adapters 100, and the holding member 42. Specifically, the wiring box 120 is inserted into the adapter 100 from above. Then, as shown in FIGS. 2 and 6 , the protrusion 106 of the adapter 100 enters the holding groove 126 of the wiring box 120 , thereby guiding the wiring box 120 into the unit accommodating portion 101 . When the wiring box 120 is further pushed downward, the locking claw 129 slides on the inner surface of the right wall portion 105 of the unit housing portion 101, so that the tongue portion 128 moves inward in the left-right direction (inwardly of the wiring box 120 in the left-right direction). direction toward the center). After that, when the locking claw 129 reaches the locking hole 107 , the locking claw 129 is locked in the locking hole 107 by the restoring deformation of the tongue portion 128 . Thereby, the wiring box 120 is held by the holding member 42 . It is preferable that the upper surface of the wiring box 120 is flush with the upper surface of the top plate 21 when the wiring box 120 is held by the holding member 42 .

As shown in FIG. 7, cable 121 is drawn downward from wiring box 120 . The cable 121 enters the wiring tray 52 through between the adapters 100 . In the wiring tray 52, the cable 121 is routed under the top plate 21 through any one of the wiring passage openings 87, 97, 98, and then connected to, for example, an external power supply or a server.

FIG. 8 is a cross-sectional view along line VIII-VIII of FIG.
As shown in FIGS. 7 and 8, in the wire receiving unit 41 of the present embodiment, the connection unit 43 is attached to the front portion of the cover support portion 51 via the holding member 42 (adapter 100). On the other hand, the holding member 42 is not attached to the rear portion of the cover support portion 51 . That is, the wire receiving unit 41 of this embodiment can change whether or not the connection unit 43 is attached by attaching and detaching the holding member 42 .

<First wiring cover>
As shown in FIG. 2, the first wiring cover 44 is rotatably connected to the first rotating shaft portion 62 of each cover receiving member 55 described above. The first wiring cover 44 has a cover body 130 and an elastic cover 131 .

As shown in FIG. 6 , the cover main body 130 includes a lid portion 134 , a bearing portion 135 , an insertion portion 137 and an elastic cover mounting portion 138 .
The lid portion 134 covers the front portion of the wire insertion hole 23 from above. In the closed position of the first wiring cover 44 , an exposed portion 140 that vertically penetrates the lid portion 134 is formed at a position overlapping the above-described wiring box 120 in plan view in the lid portion 134 . The exposed portion 140 exposes the upper surface of the wiring box 120 to the outside. As a result, the wires C1 and C2 of the electronic devices D1 and D2 can be connected to the electrical connection portion 122 even when the first wiring cover 44 is in the closed position.

The bearing portion 135 protrudes downward from the rear portion of the lid portion 134 . The bearing portion 135 is engaged with the first rotation shaft portion 62 of each cover support portion 51 at both left and right end portions. Thereby, the first wiring cover 44 is configured to be rotatable around an axis extending in the left-right direction. That is, the first wiring cover 44 rotates between a closed position that closes the front portion of the wiring insertion hole 23 from above and an open position that opens the front portion of the wiring insertion hole 23 .

When the first wiring cover 44 is in the closed position, the insertion portion 137 extends downward from a position of the lid portion 134 that overlaps the holding hole 73a of the lower portion 73 described above. The insertion portion 137 has a stepped shape in which the width in the left-right direction gradually decreases toward the bottom. Specifically, the insertion portion 137 has a lower narrow portion 137a and an upper wide portion 137b connected to each other via a stepped portion 137c. The narrow portion 137a of the insertion portion 137 is inserted into the holding hole 73a when the first wiring cover 44 is in the closed position. At this time, the first wiring cover 44 is positioned at the closed position by the stepped portion 137c approaching or contacting the upper surface of the lower step portion 73 from above. Positioning of the first wiring cover 44 in the closed position is achieved by a configuration in which at least one of the first wiring cover 44 and the cover receiving member 55 has an abutting portion that abuts on the first wiring cover 44 in the closed position. I wish I had.
The elastic cover attachment portion 138 extends downward from the left and right ends and the front end portion of the outer peripheral portion of the lid portion 134 .

The elastic cover 131 projects outward from the cover main body 130 while being attached to the elastic cover attachment portion 138 . The elastic cover 131 is an elastically deformable plate-like member made of rubber or the like. In the wire insertion hole 23 , the elastic cover 131 vertically moves a gap S (see FIG. 3 ) between the front edge of the cover body 130 (the outer edge in the front-rear direction) and the front opening edge of the wire insertion hole 23 . separated by direction. Further, as shown in FIG. 7, the elastic cover 131 vertically partitions the left and right edges of the cover main body 130 and the left and right opening edges of the wiring insertion hole 23, so that the cover support portion 51 ( It covers the cover receiving member 55) from above. In addition, the elastic cover 131 is close to or in contact with the intermediate step portion 74 from above when the first wiring cover 44 is in the closed position.

The second wiring cover 45 is rotatably connected to the second rotating shaft portion 63 of each cover receiving member 55 described above. The second wiring cover 45 has the same configuration as the first wiring cover 44 except that it does not have the exposed portion 140 . Specifically, the second wiring cover 45 includes a cover main body 130 and an elastic cover 131 .

The second wiring cover 45 is configured to be rotatable about an axis extending in the left-right direction by engaging the bearing portion 135 with the second rotating shaft portion 63 . That is, the second wiring cover 45 rotates between a closed position that closes the rear portion of the wiring insertion hole 23 from above and an open position that opens the rear portion of the wiring insertion hole 23 . In the closed position of the second wiring cover 45, the elastic cover 131 covers the second notch 67 from above.

The wiring covers 44 and 45 may be configured without the elastic cover 131 . Further, the elastic cover 131 is not limited to a plate-like shape, and may be brush-like or the like.

[How to assemble fixtures with top plate]
Next, a method for assembling the furniture with a top plate 1 described above will be described. In the following description, a method of assembling the wiring connection system 22 to the top plate 21 is mainly described. The assembly method described below is merely an example, and the order of assembly and the like can be changed as appropriate.
As shown in FIGS. 1 and 2, first, the pair of cover receiving members 55 and the wiring tray 52 are combined. Specifically, in the wiring tray 52, the cover receiving member 55 is placed so as to bridge between the flange portions 89 of the front wall portion 82 and the rear wall portion 83 facing each other in the front-rear direction. At this time, the hole engaging portion 93 enters the base insertion hole 60 of the cover receiving member 55 , and the front and rear end portions of the mounting base 61 are arranged inside the outer peripheral engaging portion 94 .

Next, the wiring receiving unit 41 is attached to the top plate 21 . Specifically, as shown in FIG. 4, in a state in which the base insertion hole 60 and the tray insertion hole 90 are aligned with the female screw portion 21a of the top plate 21, the base insertion hole 60 and the tray insertion hole 90 are inserted into the female screw portion 21a. Tighten the screws 91.

Next, the holding member 42 (adapter 100 ) is assembled to the cover support portion 51 . Specifically, after the adapter 100 is inserted into the wire insertion hole 23 from above with the lower wall portion 117 of the unit accommodating portion 101 directed downward, the adapter 100 is moved outward in the left-right direction. Then, the opening edge of the cutout portion 66 of the mounting base 61 is inserted into the insertion grooves 115 and 116, thereby engaging the adapter 100 with the cover support portion 51 in the front-back direction and the up-down direction.

Subsequently, the connection unit 43 is attached to the cover support portion 51 . Specifically, both ends of the wiring box 120 in the left-right direction are inserted into the unit accommodating portions 101 of the adapters 100 from above. As a result, the wiring box 120 is attached to the cover support portion 51 via the adapters 100 while bridging the adapters 100 . The cable 121 of the connection unit 43 is routed under the top plate 21 through one of the wiring passage openings 87, 97, and 98 in the wiring tray 52, and then connected to an external power supply, a server, or the like. .

Next, the wiring covers 44 and 45 are attached to the cover support portion 51 . Specifically, the bearing portion 135 of the first wiring cover 44 is connected to the first rotation shaft portion 62 and the bearing portion 135 of the second wiring cover 45 is connected to the second rotation shaft portion 63 . As a result, the wiring covers 44 and 45 are rotatably supported with respect to the cover support portion 51 about an axis extending in the left-right direction.
As described above, the fixture 1 with a top plate is completed.

[How to use fixtures with top plate]
Next, a method for using the fixture with a top plate 1 described above will be described. In the following description, routing of the wirings C1 and C2 of the electronic devices D1 and D2 placed on the top plate 21 will be described.
As shown in FIG. 1, in order to connect the wiring C1 of the electronic device D1 placed in front of the wiring connection system 22 on the top plate 21 to the connection unit 43, the wiring C1 is connected from the electronic device D1. pull it out backwards. After that, the wiring C<b>1 is connected to the electrical connection portion 122 of the connection unit 43 . This enables power supply to the electronic device D1 and network connection of the electronic device D1 via the connection unit 43 .

For the electronic device D2 placed behind the wiring connection system 22 on the top plate 21, the wiring C2 is pulled out rearward from the electronic device D2. Next, the wiring C2 is inserted into the wiring insertion hole 23 while the second wiring cover 45 is moved to the open position. Thereby, the wiring C2 is guided below the top plate 21 . Subsequently, when the second wiring cover 45 is set to the closed position, the elastic cover 131 is elastically deformed following the outline of the wiring C2. As a result, the space between the outer peripheral edge of the second wiring cover 45 and the opening edge of the wiring insertion hole 23 is closed by the elastic cover 131 while allowing the wiring C2 to pass therethrough. The wiring C2 that has passed through the wiring insertion hole 23 is connected to, for example, a table tap placed on the wiring tray 52, or guided below the top plate 21 through one of the wiring passage openings 87, 97, 98. be done.

As described above, in the present embodiment, the cover support portion 51 and the wiring tray 52 are integrally fixed to the top plate 21 with the cover support portion 51 sandwiched between the wiring tray 52 and the top plate 21 . It was configured.
According to this configuration, by sandwiching the cover support portion 51 between the wiring tray 52 and the top plate 21, the top plate 21 is less likely to be damaged than when the cover support portion 51 and the wiring tray 52 are separately fixed to the top plate 21. The mounting seat portion (female screw portion 21a) formed in the inner portion and the fixing member (screw 91) for fixing the cover support portion 51 and the wiring tray 52 can be reduced. As a result, it is possible to reduce manufacturing costs and assembly man-hours. In addition, by forming the cover support part 51 and the wiring tray 52 as separate parts, compared to the case where the cover support part and the wiring tray are integrally formed, the configuration of each part can be simplified and the manufacturing cost can be reduced. .

In this embodiment, screws 91 are fastened to the top plate 21 through the base insertion holes 60 and the tray insertion holes 90 .
According to this configuration, by fastening the cover support portion 51 and the wiring tray 52 together, the female screw portion 21a and the screws 91 can be reduced more reliably. This makes it possible to further reduce manufacturing costs and assembly man-hours.

In this embodiment, the wiring tray 52 is configured to have engaging portions 93 and 94 that engage with the cover support portion 51 in a direction crossing the vertical direction.
According to this configuration, it is possible to suppress the relative movement of the cover support portion 51 and the wiring tray 52 in the direction intersecting the mounting direction of the cover support portion 51 and the wiring tray 52 . As a result, displacement of the cover support portion 51 and the wiring tray 52 with respect to the top plate 21 can be suppressed. By engaging the cover support portion 51 and the wiring tray 52 before assembly to the top plate 21 , the cover support portion 51 and the wiring tray 52 can be integrally assembled to the top plate 21 . As a result, it is possible to improve assembly efficiency.

In this embodiment, a configuration is adopted in which the hole engaging portion 93 is erected from the opening edge of the tray insertion hole 90 and enters the base insertion hole 60 .
According to this configuration, positional deviation of the tray insertion hole 90 and the base insertion hole 60 can be reliably suppressed. As a result, it is possible to improve assembly efficiency.

In this embodiment, an outer peripheral engagement portion 94 is provided standing from the outer peripheral edge of the flange portion 89 to surround the outer peripheral edge of the mounting base 61 .
According to this configuration, positional deviation between the cover supporting portion 51 and the wiring tray 52 can be suppressed, and the assembly efficiency can be improved. In addition, at least a portion of the overlapped portion of the cover support portion 51 and the wiring tray 52 can be covered with the outer peripheral engaging portion 94, so that the appearance can be improved.

(Modification)
Although the configuration in which the connection unit 43 is attached only to the front portion of the cover support portion 51 has been described in the above-described first embodiment, the configuration is not limited to this. The connection unit 43 may be attached to at least one of the front portion and the rear portion of the cover support portion 51, or may be configured in such a manner that the connection unit 43 is not attached.

In the embodiment described above, the holding member 42 is configured to have the pair of adapters 100, but the configuration is not limited to this. That is, the holding member 42 may be integrally formed.
In the embodiment described above, the configuration in which the adapter 100 is accommodated in the cutouts 66 and 67 has been described, but the configuration is not limited to this. The method of attaching the adapter 100 to the cover support portion 51 can be changed as appropriate. For example, the adapter 100 may be attached to the lateral inner edge of the attachment base 61 .

Although the configuration in which the exposed portion 140 is formed in the first wiring cover 44 has been described in the above-described embodiment, the configuration is not limited to this configuration, and a configuration without the exposed portion 140 may be employed. Moreover, as shown in FIG. 9, for example, the exposed portion 140 may be partially open at the outer peripheral edge of the cover body 130 (lid portion 134). Further, as shown in FIG. 10, the connection unit 43 may be arranged at a position not overlapping the cover main body 130 (lid portion 134) in plan view.

Although the wiring receiving unit 41 includes the cover supporting portion 51 and the wiring tray 52 in the above-described embodiment, the wiring receiving unit 41 is not limited to this structure. The wiring receiving unit 41 may be configured without the wiring tray 52 or may be configured without the cover supporting portion 51 . When the cover supporting portion 51 is not provided, the upper end surfaces of the hole engaging portion 93 and the outer peripheral engaging portion 94 function as spacers between the flange portion 89 and the lower surface of the top plate 21 .
By separately forming the cover supporting portion 51, the wiring covers 44 and 45, and the wiring tray 52 as in the present embodiment, the configuration of each component can be simplified and the manufacturing cost can be reduced. Moreover, the cover supporting portion 51, the wiring covers 44 and 45, and the wiring tray 52 can be used independently, so that customer needs can be met flexibly at low cost.

Although the configuration in which the wiring tray 52 is formed with the engaging portions 93 and 94 has been described in the above-described embodiment, the configuration is not limited to this configuration. For example, as shown in FIG. 11, a hole engaging portion 160 and an outer peripheral engaging portion 161 may be formed in the cover receiving member 55 . In the illustrated example, the hole engaging portion 160 extends downward from the opening edge of the base insertion hole 60 . The hole engaging portion 160 enters the tray insertion hole 90 .
The outer peripheral engaging portion 161 extends downward from the outer peripheral edge of the mounting base 61 . The outer peripheral engaging portion 161 surrounds the flange portion 89 from the outside. Further, in the above-described embodiment, the configuration having both the hole engaging portion and the outer peripheral engaging portion has been described, but the present invention is not limited to this configuration, and a configuration having either the hole engaging portion or the outer peripheral engaging portion is also possible. I wish I had.

In the above-described embodiment, the configuration in which the cover support portion 51 is sandwiched between the top plate 21 and the wiring tray 52 has been described. The flange portion (tray mounting piece, second mounting piece) of the wiring tray 52 may be sandwiched between the mounting piece and the first mounting piece).
In the above-described embodiment, the configuration in which the cover support portion 51 and the wiring tray 52 are fastened together with the screws 91 has been described, but the configuration is not limited to this configuration. That is, as long as at least a part of the cover supporting portion and the wiring tray is sandwiched between the top plate 21 or the support structure 12, the fixing points of the cover supporting portion and the wiring tray to the top plate 21 are separate. There may be.

In the above-described embodiment, the case where the engaging portions 93 and 94 are formed in the overlapping portions of the mounting base 61 and the flange portion 89 in plan view has been described, but the configuration is not limited to this. The engagement portion may be formed in a portion different from the mounting base 61 and the flange portion 89 . Thereby, the degree of freedom in design can be improved.

(Second embodiment)
Next, a second embodiment according to the invention will be described. FIG. 12 is a perspective view of a wiring connection system 200 according to the second embodiment. This embodiment is different from the above-described first embodiment in that the wiring cover 201 is one piece and the cover support portion 202 is integrally formed. In addition, in the following description, the same code|symbol is attached|subjected about the structure similar to embodiment mentioned above, and description is abbreviate|omitted.
In the wiring connection system 200 shown in FIG. 12 , the cover supporting portion 202 is formed in a frame shape in plan view and extending along the opening edge of the wiring insertion hole 23 . Specifically, the cover support portion 202 includes a pair of mounting bases 210 and a bridge portion (a first bridge portion 211 and a second bridge portion 212) bridging between the pair of mounting bases 210. As shown in FIG.

The mounting base 210 extends in the front-rear direction along the left and right opening edges of the wiring insertion hole 23 . Base insertion holes 60 are formed in the front and rear ends of the mounting base 210 so as to pass through the mounting base 210 in the vertical direction.
A cutout portion 214 that opens inward in the left-right direction is formed in the rear portion of the mounting base 210 . The adapter 100 is accommodated within the notch 214 . The adapter 100 is engaged with the inner peripheral edge of the notch 214 as in the first embodiment described above. Adapter 100 holds wiring box 120 of connection unit 43 .

The first bridge portion 211 bridges between the front end portions of the mounting bases 210 .
The second bridge portion 212 bridges between the rear end portions of the mounting bases 210 . Rotating shaft portions 215 are erected upward from both ends of the second bridge portion 212 in the left-right direction. The wiring cover 201 is rotatably connected to the rotating shaft portion 215 . The wiring cover 201 opens and closes the wiring insertion hole 23 (inside the cover support portion 202).

A pedestal portion 220 is provided inside the cover support portion 202 and at a corner formed by the mounting base 210 and the first bridge portion 211 . The pedestal portion 220 has a lower step portion 73, a middle step portion 74, and an upper step portion 75, as in the first embodiment described above.

The wiring tray 230 has a box shape opening upward. In the peripheral wall portion 231 of the wiring tray 230 , a wiring passage opening 233 is formed through the side wall 232 in the left-right direction in the side wall 232 facing in the left-right direction.
A flange portion 235 projecting outward from the peripheral wall portion 231 is formed at the upper edge of the peripheral wall portion 231 . The flange portion 235 mainly overlaps the mounting base 210 of the cover support portion 202 from below.

A tray insertion hole 90 is formed in the flange portion 235 at a position overlapping the base insertion hole 60 in plan view. A screw (fastening member) 91 (see FIG. 4) is inserted into the tray insertion hole 90 and the base insertion hole 60 from below while the mounting base 210 and the flange portion 235 are superimposed in the vertical direction. A screw 91 is fastened from below to the female screw portion 21a of the top plate 21 through the tray insertion hole 90 and the base insertion hole 60 . As a result, the cover support portion 202 and the wiring tray 230 are fastened together with the screws 91 while the mounting base 210 is vertically sandwiched between the top plate 21 and the flange portion 235 .

A hole engaging portion 93 is formed at the opening edge of the tray insertion hole 90 in the flange portion 235 as in the first embodiment described above.
An outer peripheral engaging portion 94 is formed on the outer peripheral edge of the flange portion 235 as in the first embodiment described above.

In this embodiment, in addition to the same effects as those of the first embodiment described above, the following effects are achieved.
In this embodiment, since the cover support portion 202 is integrally formed, the number of components of the wire receiving unit 41 can be reduced.

(Third embodiment)
Next, a third embodiment according to the present invention will be described. FIG. 13 is a perspective view of a wiring connection system 300 according to the third embodiment. This embodiment differs from the above-described embodiment in that the holding member 42 is integrally formed.
In the wiring connection system 300 shown in FIG. 13 , the cover supporting portion 302 includes a pair of cover receiving members 305 extending along the left and right opening edges of the wiring insertion hole 23 . In the cover receiving member 305 , base insertion holes 60 that penetrate the mounting base 306 in the vertical direction are formed at both ends of the mounting base 306 in the front-rear direction. A first rotating shaft portion 62 and a second rotating shaft portion 63 are formed in the central portion of the mounting base 306 in the front-rear direction.

A first pedestal portion 310 and a second pedestal portion 311 are formed in portions of the mounting base 306 positioned outside in the front-rear direction with respect to the first turning shaft portion 62 and the second turning shaft portion 63 . . Holding holes 310a and 311a are formed in the pedestals 310 and 311 so as to penetrate the pedestals 310 and 311 in the vertical direction.

In the wiring tray 320, a flange portion 322 projecting forward (outward in the front-rear direction) is formed at the upper edge of the front wall portion 321. As shown in FIG. In the wiring tray 320 , a flange portion 324 that protrudes rearward (outward in the front-rear direction) is formed at the upper edge of the rear wall portion 323 . Each cover receiving member 305 spans over each of the flange portions 322 and 324 in the front-rear direction.

14 is a cross-sectional view along line XIV-XIV in FIG. 13. FIG.
As shown in FIGS. 13 and 14, a base accommodating portion 330 is formed in a portion of each of the flange portions 322 and 324 that overlaps the cover receiving member 305 (mounting base 306) in plan view. The base accommodating portion 330 is recessed downward from the upper surfaces of the flange portions 322 and 324 . Both ends of the mounting base 306 in the front-rear direction are accommodated in corresponding base accommodating portions 330 . When the mounting base 306 is housed in the base housing portion 330, it is preferable that the upper surface of the mounting base 306 and the upper surfaces of the flange portions 322 and 324 are flush with each other.

The inner peripheral surface of the base accommodating portion 330 surrounds both ends of the mounting base 306 in the front-rear direction from the outside in the front-rear direction and from both the left and right sides. That is, the inner peripheral surface of the base accommodating portion 330 constitutes an outer peripheral engaging portion 330a that approaches or abuts (engages) the outer peripheral surfaces of both ends of the mounting base 306 in the front-rear direction in a direction perpendicular to the vertical direction. ing.

As shown in FIG. 13, a first tray insertion hole 333 vertically penetrating the base housing portion 330 is formed in a portion of the bottom wall of the base housing portion 330 that overlaps with the base insertion hole 60 described above in plan view. ing. A hole engaging portion 334 is formed at the opening edge of the first tray insertion hole 333 . The hole engaging portion 334 is inserted into the base insertion hole 60 . That is, the outer peripheral surface of the hole engaging portion 334 is close to or abuts (engages) with the inner peripheral surface of the base insertion hole 60 in a direction perpendicular to the vertical direction.

A second tray insertion hole 335 is formed through the flanges 322 , 324 in the up-down direction in a portion of the flanges 322 , 324 other than the base accommodating portion 330 . A plurality of second tray insertion holes 335 are formed at intervals in the left-right direction.

To attach the wiring receiving unit 41 of the present embodiment to the top plate 21 , first, the front and rear end portions of the cover receiving member 305 (mounting base 306 ) are accommodated in the corresponding base accommodating portions 330 . After that, with the base insertion hole 60 and the first tray insertion hole 333 aligned with the female screw portion 21a of the top plate 21, the screw 91 is fastened to the female screw portion 21a through the base insertion hole 60 and the first tray insertion hole 333.
Further, a screw 338 is fastened to the female screw portion 21 b of the top plate 21 through the second tray insertion hole 335 . As a result, the wiring receiving unit 41 is attached to the lower surface of the top plate 21 while the cover receiving member 305 is sandwiched between the wiring tray 320 and the top plate 21 .

As shown in FIG. 13, the holding member 340 is arranged inside the cover support portion 302 . The holding member 340 includes a frame portion 341 formed in a frame shape in plan view, and a unit support portion 342 integrally formed with the frame portion 341 .

The frame portion 341 includes a pair of left and right extension portions 350 extending in the left and right direction, and a pair of front and rear extension portions 351 extending in the front and rear direction to bridge the pair of left and right extension portions 350 .
Mounting holes 352 are formed at both ends of the laterally extending portion 350 in the lateral direction so as to pass through the laterally extending portion 350 in the vertical direction. The holding member 340 is fixed to the top plate 21 by screwing screws (not shown) to the top plate 21 through the mounting holes 352 in a state in which the laterally extending portions 350 are butted against the lower surface of the top plate 21 . . However, the holding member 340 may be detachably attached to the cover support portion 302 .

The front-rear extending portion 351 bridges between the left end portions and between the right end portions of the left and right extending portions 350, respectively. The front-rear extension portion 351 extends downward from the left-right extension portion 350 and then extends in the front-rear direction.

Two sets of unit support portions 342 are provided with an interval therebetween in the front-rear direction. The unit support portion 342 has a pair of adapters 353 provided at positions facing each other in the left-right direction in each of the front-rear extension portions 351 . Each adapter 353 is formed in a C-shape in a plan view that opens inward in the left-right direction. Wiring box 120 is inserted into adapter 100 from above so that both ends in the left-right direction are accommodated in adapter 353 .

In this embodiment, in addition to having the same effect as the above-described embodiment, by integrally forming the holding member 340, it is possible to reduce the number of parts when the connection unit 43 is attached. can be done.

(Other modifications)
Although preferred embodiments of the present invention have been described above, the present invention is not limited to these embodiments. Additions, omissions, substitutions, and other changes in configuration are possible without departing from the scope of the present invention. The present invention is not limited by the foregoing description, but only by the appended claims.
For example, in the embodiment described above, the configuration in which the cover support portion is provided on the top plate 21 has been described, but the configuration is not limited to this. The cover support portion may be provided on the support structure (mounted portion) 12 .
In the above-described embodiment, the configuration in which the cover supporting portion and the wiring tray are attached to the top plate 21 in the vertical direction has been described, but the configuration is not limited to this configuration. The cover support portion and the wiring tray may be attached in the front-rear direction or the left-right direction (first direction).
In the above-described embodiment, the case where a table is used as an example of the furniture with a top board 1 has been described, but the configuration is not limited to this. The fixture with a top plate may be any structure having at least a top plate, such as a shelf.
In the above-described embodiment, the configuration in which the wiring cover is rotatably supported by the cover support portion has been described, but the configuration is not limited to this. As long as the wiring cover is configured to open and close the wiring insertion hole, the wiring cover may be slidable or detachable with respect to the cover supporting portion.

In addition, it is possible to appropriately replace the constituent elements in the above-described embodiment with well-known constituent elements without departing from the spirit of the present invention, and the modifications described above may be combined as appropriate.

1 ... Furniture with a top plate 12 ... Support structure (mounted part)
21 ... Top plate (mounted part)
23... Wiring insertion hole 44... First wiring cover (wiring cover)
45... Second wiring cover (wiring cover)
51... Cover support portion 60... Base insertion hole (second through hole, first through hole)
61: Mounting base (supporting part mounting piece, second mounting piece, first mounting piece)
89... Flange portion (tray mounting piece, first mounting piece, second mounting piece)
90... Tray insertion hole (first through hole, second through hole)
91... screw (fastening member)
93... Hole engaging portion (engaging portion)
94... Peripheral engagement portion (engagement portion)

Claims (1)

a support structure;
a top plate supported by the support structure;
a wiring cover that opens and closes a wiring insertion hole vertically penetrating the top plate;
a cover support portion having a support portion attachment piece attached to a portion to be attached of the top plate or the support structure and supporting the wiring cover;
a wiring tray having a tray mounting piece attached to the mounting portion and covering the wiring insertion hole from below;
The cover support portion and the wiring tray are arranged between the first attachment piece, which is one of the support portion attachment piece and the tray attachment piece, and the attached portion, and at the other attachment piece. fixed to the mounted portion in a state in which a certain second mounting piece is sandwiched in the first direction ;
one member of the cover support portion and the wiring tray has an engaging portion that engages with the other member in a direction crossing the first direction;
The engaging portion extends from the outer peripheral edge of one of the first mounting piece and the second mounting piece toward the other mounting piece, and surrounds the outer peripheral edge of the other mounting piece. A fixture with a top plate that has a part .

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