JP7068755B2 - Table with built-in lifting device - Google Patents

Description

The present invention relates to a table with a built-in elevating device. Specifically, the present invention has a built-in elevating device for OA equipment that supports OA equipment such as a display and can be stored under the top plate when the equipment is not in use, and can be installed above the top plate when the equipment is used. Regarding the table with built-in lifting device.

In recent years, in order to realize a free work environment in the office, mainly in IT companies, we have adopted a flare address system in which fixed seats are not provided on the work table and people sit in vacant seats according to the work situation. The number of offices to do is increasing. In order to realize the free address system in the above office, it has a built-in lifting device for OA equipment that supports OA equipment such as displays and can be stored under the top plate when the equipment is not in use, and can be installed above the top plate when the equipment is in use. A table with a built-in lifting device is attracting attention. The invention relating to the table with a built-in elevating device is disclosed in, for example, Patent Document 1.

That is, in the table (desk with built-in display) 100 disclosed in Patent Document 1, as shown in FIG. 10, the top plate 101 is moved between the fixed position (retracted position) and the forward position by the front-back moving means 102. The opening 104 of the display storage unit 103 formed below the top plate is opened and closed on the rear end side of the top plate 101, and the display 106 attached to the support means 105 is installed above the top plate by the elevating movement means 107. The display 106, which is movable to a position and is raised to the installation position through the opening 104 formed at the forward position of the top plate 101, is retracted to a fixed position (retracted position) at the rear end portion 101a of the top plate 101. It was configured to support it.

Further, the elevating moving means 107 is provided with a moving cylinder 109 that can be elevated and lowered along the elevating guide shaft 108, and a rack 110 is provided in parallel with the elevating guide shaft 108 to mesh with the pinion 111, and the pinion 111 is engaged with the pinion 111. The moving cylinder 109 is attached to the rotating shaft of the rotating damper 112 which is attached to the moving cylinder 109 to give a braking action in the downward direction, and the moving cylinder 109 is operated by manually pulling up and pushing down the supporting means 105 to move the display 106 up and down. It was configured as follows.

Japanese Patent No. 36000788

However, the table 100 with a built-in elevating device makes the top plate 101 movable between the fixed position (retracted position) and the forward position by the front-back moving means 102, and the opening 104 of the display storage portion 103 formed below the top plate. Since the structure is such that the display 106 is opened and closed on the rear end side of the top plate 101, the top plate 101 is moved by the front-back moving means 102 each time the display 106 is moved between the storage position below the top plate and the installation position above the top plate. It is necessary to move between the fixed position (backward position) and the forward position, and at that time, the documents etc. placed on the top plate may be dropped, or the work of other workers sitting adjacent to each other may be performed. There was a problem that the work efficiency could be reduced by interrupting the work.

Further, the elevating moving means 107 is provided with a moving cylinder 109 that can be moved up and down along the elevating guide shaft 108, and the pinion 111 is engaged with a rack 110 provided in parallel with the elevating guide shaft 108, and the pinion 111 is used as described above. The display 106 is moved up and down by manually pulling up and pushing down the support means 105 by attaching it to the rotating shaft of the rotary damper 112 which is attached to the moving cylinder 109 and gives a braking action in the downward direction. The 107 has a complicated structure and enters the display storage unit 103 below the top plate, increasing the space of the display storage unit 103 below the top plate. Therefore, there is a problem that the foot space 113 of the worker is sacrificed and becomes relatively narrow, and it is difficult to secure a comfortable working environment.

The present invention has been made to solve the above problems, and it is possible to prevent a decrease in work efficiency due to an elevating operation of an OA device, and a simple structure elevating device secures a space under the feet of an operator for comfort. The purpose is to provide a table with a built-in lifting device that can realize a comfortable working environment.

In order to achieve the above object, the table with a built-in lifting device according to the present invention has the following configuration.
(1) Built-in elevating device equipped with a top plate and an elevating device for OA equipment that manually moves the OA equipment stored in the storage position of the equipment storage unit formed below the top plate to the installation position above the top plate. It ’s a table,
The rear end portion or the central portion in the front-rear direction of the top plate is provided with an opening through which the OA device is supported by the elevating device and passes through, and a lid plate mounted so as to be openable and closable with respect to the opening.
The elevating device includes a support member that supports the OA device at the upper part of the back surface and extends in the vertical direction, and the support member that is fixed to the table member on the back side of the OA device stored in the storage position and has an upper end opening. It is formed so that it can move up and down from the ascending end position to the descending end position by being guided by the tubular guide member that is inserted from the portion and guided in the vertical direction and the rail portion formed in the vertical direction on the outer wall surface of the tubular guide member. It is provided with a weight portion, a pulley portion attached to the upper end portion of the tubular guide member, and a wire member that connects the support member and the weight portion via the pulley portion.
When the OA device is moved to the installation position, the weight portion is guided by the rail portion to move to the descending end position and stop, and when the OA device is moved to the storage position, the OA device is moved to the storage position. The weight portion moves to the rising end position and stops.

In the present invention, at the rear end portion or the central portion in the front-rear direction of the top plate, an opening through which the OA device is supported by the elevating device and a lid plate attached to the opening so as to be openable and closable are provided. Since it is provided, it is sufficient to open and close the lid plate that covers the opening through which the OA equipment passes when the OA equipment is raised and lowered, and it is not necessary to move the entire top plate in the front-rear direction one by one. Therefore, when the OA equipment is moved up and down, the documents and the like placed on the top plate are not dropped, and the work of other workers sitting adjacent to each other is not interrupted, so that the work efficiency is prevented from being lowered. can.

Further, in the elevating device, a support member that supports the OA device at the upper part of the back surface and extends in the vertical direction, and a support member that is fixed to the table member on the back side of the OA device stored in the storage position and inserted from the upper end opening. A tubular guide member that guides in the vertical direction and a weight that is guided by a rail portion formed in the vertical direction on the outer wall surface of the tubular guide member and can move up and down from the ascending end position to the descending end position. Since it is provided with a pulley portion mounted on the upper end portion of the tubular guide member, a wire member for connecting the support member and the weight portion via the pulley portion, the equipment storage portion for accommodating the OA equipment can be provided. , It can be compactly placed in the vertical direction on the upper part near the center in the front-rear direction below the top plate. Further, the elevating device storage unit for accommodating the sliding mechanism of the elevating device located on the back side of the equipment storage unit can be compactly arranged in the front-rear direction at the center portion in the front-rear direction below the top plate. Therefore, the depth below the top plate can be expanded to secure the foot space of the worker as wide as possible.

Further, when the OA device is moved to the installation position, the weight portion moves to the descending end position and stops, and when the OA device is moved to the storage position, the weight portion moves to the rising end position and stops. Therefore, the total weight of the OA equipment and the support member and the weight of the weight part are well-balanced, the OA equipment can be moved from the storage position to the installation position with a light force, and the operator has a simple structure using the slip mechanism. The burden on the user can be greatly reduced.

Therefore, according to the present invention, it is possible to prevent a decrease in work efficiency due to an elevating operation of an OA device, and a built-in elevating device capable of securing a space under the feet of an operator and realizing a comfortable working environment with an elevating device having a simple structure. A table can be provided.

(2) In the table with a built-in lifting device described in (1),
The support member is formed so as to support the central portion in the left-right direction of the OA device, and the weight portion is such that the weight member is arranged symmetrically with respect to the support member with an equal weight. It is a feature.

In the present invention, the support member is formed so as to support the central portion in the left-right direction of the OA device, and the weight portion is arranged at a position symmetrical with respect to the support member with an equal weight. The weight members arranged at symmetrical positions even for OA equipment having a wide range of sizes in the left-right direction balance the weight, and it is difficult to generate an eccentric load on the support member. Therefore, the structures of the support member and the tubular guide member can be simplified, and the elevating device storage unit for accommodating the elevating device below the top plate can be further made more compact. As a result, the depth under the top plate can be further expanded to secure a wider foot space for the operator.

(3) In the table with a built-in elevating device according to (1) or (2).
The weight portion is characterized by including a weight receiving member guided to the rail portion and a plate-shaped weight member fastened to the weight receiving member and formed so as to be laminated in the front-rear direction.

In the present invention, the weight portion includes a weight receiving member guided to the rail portion and a plate-shaped weight member fastened to the weight receiving member and formed so as to be laminated in the front-rear direction. The balance can be easily adjusted by increasing or decreasing the number of plate-shaped weight members laminated on the weight receiving member according to the weight. In addition, since the plate-shaped weight members are formed so that they can be stacked in the front-rear direction, the size of the weight portion in the front-rear direction is increased by forming the plate-shaped weight members in a large size while reducing the plate thickness of each plate-shaped weight member. Can be made more compact. Therefore, a larger OA device can be attached to the elevating device without increasing the size of the weight portion in the front-rear direction, and even in that case, the depth under the top plate is expanded to widen the foot space of the operator. Can be secured.

(4) In the table with a built-in elevating device according to any one of (1) to (3).
The upper end portion of the support member is provided with a bracket portion formed so that the OA device can be attached.
One end is fixed to the outer wall surface in the left-right direction of the bracket portion, and the other end is fixed at a position separated in the left-right direction from the upper end portion of the tubular guide member below the top plate in the left-right direction of the tubular guide member. A cable holder that hangs in a substantially U shape along the outer wall surface is provided at a position different from the trajectory of the weight portion.
It is characterized in that a cable connecting from the OA device to another device is arranged via the cable holder.

In the present invention, the upper end portion of the support member is provided with a bracket portion formed so that the OA device can be attached, one end is fixed to the outer wall surface in the left-right direction of the bracket portion, and the other end is a cylindrical guide below the top plate. A cable holder that is fixed at a position separated from the upper end of the member in the left-right direction and hangs down in a substantially U-shape along the outer wall surface in the left-right direction of the tubular guide member is provided at a position different from the locus of the weight part. Since the cable for connecting the OA device to the other device is arranged via the holder, the cable for the OA device can be connected to the other device in advance, and it is not necessary to perform the cable attachment / detachment operation.

Further, when the OA device is moved from the storage position to the installation position, the cable holder that holds the cable can move up and down without intersecting the locus of the weight portion. Therefore, it is not necessary to expand the size of the elevating device storage portion below the top plate in the front-rear direction. As a result, every time the OA device is moved from the storage position to the installation position, it is possible to prevent a decrease in work efficiency of connecting the cable to the OA device to another device, and a new space is provided for the cable holder for holding the cable. It can be easily installed without being installed, and a comfortable work environment can be realized by securing the foot space of the worker.

(5) In the table with a built-in lifting device described in (4),
The bracket portion is characterized in that a storage portion for storing parts or small items connected to the OA device is formed.

In the present invention, since the bracket portion is formed with a storage portion for storing parts or small items connected to the OA device, a free working environment in the office can be conveniently and easily realized. For example, by connecting an OA device as a large display to a PC (personal computer), a keyboard, or the like, a conference of a plurality of people can be easily held. Therefore, a more comfortable working environment can be realized in the table with a built-in lifting device that can be used for various purposes.

(6) In the table with a built-in elevating device according to any one of (1) to (5).
The lid plate is characterized in that it opens to the back side of the OA device and is formed so as to be able to stand upright on the top plate in an open state.

In the present invention, the lid plate opens to the back side of the OA device and is formed so as to be able to stand upright on the top plate in the open state. Therefore, when the OA device is in the installation position above the top plate, the lid plate is formed. It can be stored upright on the back side of OA equipment. Therefore, in the table with a built-in elevating device, the lid plate can be stored without sacrificing the workspace, and a more comfortable working environment can be realized.

According to the present invention, a table with a built-in elevating device that can prevent a decrease in work efficiency due to an elevating operation of an OA device, secure a space under the feet of an operator with an elevating device having a simple structure, and realize a comfortable working environment. Can be provided.

It is a schematic side view of the table with a built-in lifting device which concerns on embodiment of this invention. It is a schematic front view of the table with built-in lifting device shown in FIG. FIG. 3 is a schematic cross-sectional view of the elevating device shown in FIG. It is a schematic front view of the elevating device shown in FIG. It is a schematic plan view of the elevating device shown in FIG. It is a perspective view which shows the weight part of the elevating device shown in FIG. FIG. 3 is a sectional view taken along the line AA shown in FIG. This is a first modification of the cross-sectional view taken along the line AA shown in FIG. This is a second modification of the cross-sectional view taken along the line AA shown in FIG. It is a schematic side view of the table (desk with a built-in display) with a built-in elevating device disclosed in Patent Document 1.

Next, the table with a built-in lifting device according to the embodiment of the present invention will be described in detail with reference to the drawings. First, the structure and operation method of the elevating device built-in table according to the present embodiment will be described, and then a modification of the elevating device in the elevating device built-in table will be described.

<Overall structure of this power generation device>
First, the structure and operation method of the table with a built-in lifting device according to the present embodiment will be described with reference to FIGS. 1 to 7. FIG. 1 shows a schematic side view of a table with a built-in lifting device according to an embodiment of the present invention. FIG. 2 shows a schematic front view of the table with a built-in lifting device shown in FIG. FIG. 3 shows a schematic cross-sectional view of the elevating device shown in FIG. FIG. 4 shows a schematic front view of the elevating device shown in FIG. FIG. 5 shows a schematic plan view of the elevating device shown in FIG. FIG. 6 shows a perspective view showing a weight portion of the elevating device shown in FIG. FIG. 7 shows a cross-sectional view taken along the line AA shown in FIG.

As shown in FIGS. 1 to 3, the table 10 with a built-in elevating device according to the present embodiment contains the top plate 1 and the OA device K stored in the storage position (S2) of the device storage unit 2 formed below the top plate. There is a table with a built-in elevating device equipped with an elevating device 3 for OA equipment that is manually moved to the installation position (S1) above the top plate, and the OA equipment is located at the rear end of the top plate 1 or at the center in the front-rear direction. It is provided with an opening 11 through which K is supported by the elevating device 3 and a lid plate 13 attached to the opening 11 so as to be openable and closable via a hinge portion 12. The hinge portion 12 does not have to be attached to the lid plate 13.

Here, since a plurality of workers M can sit on the top plate 1 of the table 10 with a built-in elevating device facing each other in the front-rear direction, the elevating device 3 is located on the back surface of the top plate 1 below the central portion in the front-rear direction. They are installed close to each other. Further, since the worker M can be seated on the top plate 1 adjacent to each other in the left-right direction, the elevating device 3 is installed so that the side surfaces thereof are adjacent to each other in the left-right direction. Therefore, the opening 11 through which the OA device K is supported by each elevating device 3 and the lid plate 13 for opening and closing the opening 11 are each formed in an elongated rectangular shape in the left-right direction, and correspond to each elevating device 3. It is arranged at the center of the top plate 1 in the front-rear direction.

Further, the lid plate 13 is formed so as to be able to stand on the top plate in an open state by opening to the back side of the OA device K. When the OA device K is in the installation position (S1) above the top plate, the lid plate 13 is stored in an upright state on the back side of the OA device K. Therefore, the lid plate 13 can be stored without sacrificing the workspace of the worker M. Further, the opening 11 is equipped with a twist lock type metal fitting 15 that locks when the lid plate 13 is closed and is released when the lid plate 13 is pushed in the closing direction. Therefore, it is not necessary to provide a knob, a notch, or the like on the upper surface of the lid plate 13, and when the upper surface of the top plate 1 is flattened when the lid plate 13 is closed, the OA device K is stored and used for other purposes. , Can provide a comfortable working environment.

Further, on the lower surface of the top plate 1, frame members 16 extending in the front-rear direction and the left-right direction are installed. Further, leg portions 14 that stand on the floor surface FL are fixed to both ends in the left-right direction and both ends in the front-rear direction of the frame member 16. Further, inside the leg portion 14 and below the top plate, the equipment storage unit 2 for storing the OA device K at the storage position (S2) and the elevating device storage unit 4 for storing the elevating device 3 are adjacent to each other in the front-rear direction. Is formed of. The elevating device storage unit 4 is formed so as to project toward the floor surface at the central portion in the front-rear direction with respect to the equipment storage unit 2.

That is, the device storage unit 2 includes upper wall plates 21 (21A, 21B) erected below the top plate 1 at a position close to the front end of the OA device K standing at the storage position (S2). It is provided with a horizontal wall plate 22 (22A, 22B) that is close to the lower end of the OA device K and is horizontally installed from the lower end of the upper wall plate 21 (21A, 21B) toward the center of the top plate 1 in the front-rear direction. .. Further, the elevating device storage unit 4 includes a lower wall plate 43 (43A, 43B) erected from the edge toward the center in the front-rear direction to the vicinity of the floor surface of the horizontal wall plate 22 (22A, 22B) in the equipment storage unit 2. ing. Further, side wall plates 23 are connected to the left and right ends of the upper wall plate 21 (21A, 21B), the horizontal wall plate 22 (22A, 22B), and the lower wall plate 43 (43A, 43B). The side wall plate 23 has an outer edge formed in a staircase shape so that the upper side is wide and the lower side is narrow in the side view.

Therefore, the elevating device storage unit 4 partitioned by the side wall plate 23 and the lower wall plate 43 is a central portion in the front-rear direction with respect to the equipment storage unit 2 partitioned by the upper wall plate 21, the side wall plate 22, and the side wall plate 23. It is formed closer to each other. Therefore, below the top plate, the depth is increased toward the center in the front-rear direction and closer to the floor surface side, so that the foot space 5 of the worker M can be secured wider.

Further, in order to secure a wider foot space 5 for the worker M, the elevating device 3 is configured as follows.
That is, as shown in FIGS. 3 to 7, the elevating device 3 includes a support member 31 in which the OA device K is supported by the upper KH on the back surface thereof and is extended in the vertical direction, and the OA stored in the storage position (S2). The tubular guide member 32, which is fixed to the table members 41 and 42 on the back side of the device K and inserts the support member 31 from the upper end opening 321 to guide the support member in the vertical direction, and the tubular guide member 32 up and down on the outer wall surface 322 of the tubular guide member 32. It is mounted on the weight portion 34 formed so as to be vertically movable from the ascending end position (JT) to the descending end position (KT) guided by the rail portion 33 formed in the direction, and the upper end portion 32a of the tubular guide member 32. The pulley portion 35 is provided with a wire member 36 that connects the support member 31 and the weight portion 34 via the pulley portion 35.

Further, in the elevating device 3, when the OA device is moved to the installation position, the weight portion 34 moves to the descending end position and stops, and when the OA device is moved to the storage position, the weight portion 34 rises. A "sliding mechanism" using pulleys and weights as an operating mechanism was constructed so as to move to the end position and stop.

Here, the pulley portion 35 guides and supports a bearing member 352 that stands outward with respect to the outer wall surface 322 on the back surface side of the tubular guide member 32, and a wire member 36 that is rotatably supported by the bearing member 352. It is equipped with a bearing ring 351. Further, one end of the wire member 36 is locked to the locking pin 346a formed in the weight portion 34, and a part of the cable ring 351 is moved to the inner wall side from the groove hole 326 formed in the outer wall surface 322 of the tubular guide member 32. The other end of the wire member 36 is locked to the locking pin 317 formed on the support member 31. On the outer wall surface on the front side of the tubular guide member 32, fixing plates 324 and 325 fixed to the table members 41 and 42 are formed.

In the above configuration of the elevating device 3, the support member 31 supports the OA device K by the upper back surface KH thereof, so that the height of the tubular guide member 32 is suppressed and the upper end of the OA device K at the storage position (S2) is suppressed. Can be brought as close as possible to the closed lid plate 13. Therefore, the device storage section 2 for storing the OA device K can be compactly arranged in the vertical direction on the upper portion near the center portion in the front-rear direction below the top plate.

Further, a cylindrical guide member 32 that guides the support member 31 that supports the OA device K by the upper back KH in the vertical direction is fixed to the table member 41 on the back side of the OA device K stored in the storage position (S2). Further, the support member 31 and the weight portion 34 are connected by the wire member 36 via the pulley portion 35 mounted on the upper end portion 32a of the tubular guide member 32, so that the support member 31 and the weight portion 34 are positioned on the back side of the device storage portion 2. The elevating device storage unit 4 for accommodating the pulley mechanism of the elevating device 3 can be compactly arranged in the front-rear direction at the center portion in the front-rear direction below the top plate.

Therefore, by combining the equipment storage unit 2 that is compacted in the vertical direction at the upper part near the center in the front-rear direction below the top plate and the equipment storage unit 4 that is compact in the front-rear direction at the center in the front-rear direction below the top plate. The depth below the top plate can be expanded to secure the foot space 5 of the worker M as wide as possible.

Further, by configuring a "sliding mechanism" using a pulley and a weight as the operating mechanism of the elevating device 3, the total weight of the OA device K and the support member 31 and the weight of the weight portion 34 are well balanced. The OA device K can be moved from the storage position (S2) to the installation position (S1) with a light force, and the burden on the operator M can be significantly reduced.

Further, in the elevating device 3, the support member 31 is formed so as to support the central portion in the left-right direction of the OA device K, and the weight portions 341 and 342 of the weight portion 34 are symmetrical with respect to the support member 31. They are evenly weighted in place. With the above configuration, the weight members 341 and 342 arranged at symmetrical positions balance the weight even for the OA device K having a wide range of sizes in the left-right direction, and it is difficult to generate an eccentric load on the support member 31. , The structure of the support member 31 and the tubular guide member 32 can be simplified. For example, as shown in FIG. 7, the support member 31 and the tubular guide member 32 are formed of a square tubular pipe having a standard rectangular cross section to reduce the size in the front-rear direction while reducing the cost and weight. You can also plan.

Further, the weight portion 34 includes a weight receiving member 343 guided by the rail portion 33, and plate-shaped weight members 341 and 342 fastened to the weight receiving member 343 and formed so as to be laminated in the front-rear direction. .. The rail portion 33 is formed, for example, on the outer wall surface 322 on the back surface side of the tubular guide member 32 formed of a square tubular pipe in the vertical direction with a symmetrical substantially L-shaped cross section. A roller member 344 pivotally supported by the weight receiving member 343 is engaged with the rail portion 33.

Further, when the weight portion 34 arrives at the descending end position (KT), the lower end of the weight receiving member 343 comes into contact with the stopper member 327 installed at the lower end portion of the tubular guide member 32 and stops. The stopper member 327 may have a shock absorbing function of absorbing the shock caused by the moment of inertia of the weight portion 34.

Further, as the weight members 341 and 342, for example, a plurality of steel plates having the same plate thickness formed in a rectangular shape of the same size are laminated and inserted into a screw shaft 346a fixed to the weight receiving member 343 with a nut. It is fastened with a handle 345. With the above configuration, the balance can be easily adjusted by increasing or decreasing the quantity of the plate-shaped weight members 341 and 342 laminated on the weight receiving member 343 according to the weight of the OA device K.

Further, by forming the plate-shaped weight members 341 and 342 so as to be laminated in the front-rear direction, it is possible to reduce the plate thickness of each plate-shaped weight member 341 and 342 and to form a large size in the vertical and horizontal directions thereof. can. Therefore, a larger OA device K can be attached to the elevating device 3 without increasing the size of the weight portion 34 in the front-rear direction. A wide foot space 5 can be secured.

Further, the upper end portion 31a of the support member 31 is provided with a bracket portion 311 formed so that the OA device K can be attached, one end 61 is fixed to the left-right outer wall surface 311a of the bracket portion 311 and the other end 62 is a top plate. A cable holder that is fixed at a position separated from the upper end portion 32a of the tubular guide member 32 in the left-right direction and hangs down in a substantially U shape along the outer wall surface 32b (323) in the left-right direction of the tubular guide member 32. 6 is provided at a position different from the locus of the weight portion 34, and a cable 63 for connecting the OA device K to another device via the cable holder 6 is arranged. The cable 63 includes, for example, a power cable, a cable connected to another server device, or the like. The other end 62 of the cable holder 6 is fixed to the side wall plate 23 forming the equipment storage portion 2 and the elevating device storage portion 4 via the locking metal fitting 65.

Here, the cable holder 6 is arranged in the space between the weight receiving member 343 of the weight portion 34 and the table member 41 at a position close to the outer wall surface 323 on the right side surface side of the tubular guide member 32. .. The weight receiving member 343 of the weight portion 34 is equipped with a guide member 347 having an inclined surface formed in the vertical direction so that the base end portion of the fixed screw shaft 346 does not catch the cable holder 6.

With the cable holder 6 having the above configuration, the cable 63 for the OA device K can be connected to another device in advance. For example, in the case of the power cable 63, it is not necessary to perform the operation of attaching / detaching to / from the power outlet. Further, when the OA device K is moved from the storage position (S2) to the installation position (S1), the cable holder 6 holding the cable 63 can move up and down without intersecting the locus of the weight portion 34.

As a result, it is possible to prevent a decrease in work efficiency in which the cable 63 for the OA device K is connected to another device each time the OA device K is moved from the storage position (S2) to the installation position (S1). Further, the operating space of the cable holder 6 for holding the cable 63 can be easily installed at a position that does not interfere with the weight portion 34, and the comfortable work using the OA device K while securing the foot space 5 of the worker M. The environment can be realized.

Further, in the bracket portion 311 of the support member 31, a storage portion 312 for storing parts such as an HDMI (registered trademark) (High-Definition Multimedia Interface) cable 64 connected to the OA device K, a keyboard, and small items such as writing tools is provided. It is formed. The storage portion 312 is mounted below the fixing plate 313 for fixing the OA device K. Further, it is preferable that the storage unit 312 has a guard function for preventing parts 64, small items, and the like from falling. With the above configuration, for example, the HDMI cable 64 or the like connected to the OA device K is quickly taken out from the storage unit 312 at a required timing and connected to a personal computer (personal computer: not shown) used by the worker M. It is also possible to realize a free working environment in the office conveniently and easily. For example, by using the OA device K as a tablet or a large display and connecting a PC to the tablet, a conference of a plurality of people can be easily held.

Further, on the front end side of the bracket portion 311, a vertical rotation hinge portion 315 that rotatably supports the OA device K in the vertical direction and a left-right rotation hinge portion that rotatably supports the OA device K in the left-right direction. 316 is integrally formed. Further, a U-shaped handle portion 314 that is gripped when the support member 31 is moved up and down is horizontally mounted on the upper end of the bracket portion 311. Therefore, in the telework era, in the narrow office situation in Japan, a more comfortable working environment can be realized in the table 10 with a built-in lifting device that can be used for various purposes such as office work including meetings and dining other than office work.

(Modification example of lifting device)
Next, a modification of the elevating device of the table with a built-in elevating device according to the present embodiment will be described with reference to FIGS. 8 and 9. FIG. 8 shows a first modification of the cross-sectional view taken along the line AA shown in FIG. FIG. 9 shows a second modification of the cross-sectional view taken along the line AA shown in FIG.

As shown in FIG. 8, the elevating device 3B of the first modification is common to the elevating device 3 described above in that the operating mechanism is a “sliding mechanism” using a pulley and a weight. That is, in the weight portion 34B, the weight members 341B and 342B are arranged at positions symmetrical with respect to the support member 31B with an equal weight. The pulley portion 35B includes a bearing member 352B that stands outward with respect to the outer wall surface 322B on the back surface side of the tubular guide member 32B, and a cable ring 351B that is rotatably supported by the bearing member 352B and guides and supports the wire member 36B. And have. Further, one end of the wire member 36B is locked to the locking pin 346aB formed on the weight portion 34B, and a part of the cable ring 351B is moved to the inner wall side from the groove hole 326B formed on the outer wall surface 322B of the tubular guide member 32B. The other end of the wire member 36B is locked to the locking pin 317B formed on the support member 31B.

Further, the weight portion 34B includes a weight receiving member 343B guided to the rail portion 33B, and plate-shaped weight members 341B and 342B fastened to the weight receiving member 343B and formed so as to be laminated in the front-rear direction. .. The rail portion 33B is formed in the vertical direction on the outer wall surface 322B on the back surface side of the tubular guide member 32B formed of a square tubular pipe with two symmetrical substantially L-shaped cross sections.

Further, a roller member 344B pivotally supported by the weight receiving member 343B is engaged with the rail portion 33B. As the weight members 341B and 342B, for example, a plurality of steel plates having the same thickness formed in a rectangular shape of the same size are laminated and inserted into a screw shaft 346aB fixed to the weight receiving member 343B, and a handle with a nut 345B. It is concluded at.

However, in the elevating device 3B of the first modification, the weight receiving member 343B is formed by bending toward the left and right side surfaces 323B of the tubular guide member 32B, and the weight members 341B and 342B are formed on the left and right side surfaces 323B of the tubular guide member 32B. Placed in close proximity. Further, the cable holder 6B for holding the cable 63B is arranged on the right side of the weight member 341B.

With the above configuration, the size occupied by the elevating device 3B in the front-rear direction can be reduced. As a result, the depth under the top plate can be further expanded to secure a wide foot space 5 for the worker M.

Further, as shown in FIG. 9, the elevating device 3C of the second modification is common to the elevating device 3 described above in that the operating mechanism is a "sliding mechanism" using a pulley and a weight. That is, in the weight portion 34C, the weight members 341C and 342C are arranged at positions symmetrical with respect to the support member 31C with an equal weight. Further, the weight portion 34C includes a weight receiving member 343C guided by the rail portion 33C, and plate-shaped weight members 341C and 342C which are fastened to the weight receiving member 343C and formed so as to be laminated in the front-rear direction. ..

Further, the rail portion 33C is formed in the vertical direction on the outer wall surface 322C on the back surface side of the tubular guide member 32C formed by the square tubular pipe, with two symmetrical substantially L-shaped cross sections. A roller member 344C pivotally supported by the weight receiving member 343C is engaged with the rail portion 33C. As the weight members 341C and 342C, for example, a plurality of steel plates having the same thickness formed in a rectangular shape of the same size are laminated and inserted into a screw shaft 346aC fixed to the weight receiving member 343C, and a handle with a nut 345C. It is concluded at.

However, in the elevating device 3C of the third modification, the weight receiving member 343C is formed by bending toward the left and right side surfaces 323C1 and 323C2 of the tubular guide member 32C, and the weight members 341C and 342C are formed. It was arranged at a position close to the left and right side surfaces 323C1 and 323C2 of the tubular guide member 32C. Further, the cable holder 6C for holding the cable 63C is arranged on the right side of the weight member 341C.

Further, the pulley portion 35C is rotatable to a pair of left and right bearing members 352C1 and 352C2 and bearing members 352C1 and 352C2 that stand outward from the outer wall surface on the left and right side surfaces 323C1 and 323C2 of the tubular guide member 32C. The pulleys 351C1 and 351C2 that are supported and guide and support the wire members 36C1 and 36C2 are provided. Further, one end of the wire member 36B is locked to the locking pins 346C1 and 346C2 formed on the weight portion 34C, and the groove holes 326C1 and 326C2 formed on the outer wall surface on the left and right side surfaces 323C1 and 323C2 side of the tubular guide member 32C. A part of the cord rings 351C1 and 351C2 is inserted into the inner wall side, and the other ends of the wire members 36C1 and 36C2 are locked to the locking pins 317C1 and 317C2 formed on the support member 31C.

With the above configuration, the size in the front-rear direction occupied by the sliding mechanism of the elevating device 3C can be further shortened as compared with the elevating device 3B of the second modification. As a result, the depth below the top plate can be further expanded to secure a wide foot space 5 for the worker M.

<Action effect>
Further, according to the table 10 with a built-in elevating device according to the present embodiment, an opening through which the OA device K is supported by the elevating devices 3, 3B and 3C passes through the rear end portion or the central portion in the front-rear direction of the top plate 1. Since the 11 and the lid plate 13 that is openably and closably attached to the opening 11 are provided, the lid plate 13 that covers the opening 11 through which the OA device K passes during the raising and lowering operation of the OA device K may be opened and closed. There is no need to move the entire top plate back and forth one by one. Therefore, when the OA device K is moved up and down, the documents and the like placed on the top plate are not dropped, and the work of other workers sitting adjacent to each other is not interrupted, resulting in a decrease in work efficiency. Can be prevented.

Further, the elevating devices 3, 3B and 3C include support members 31, 31B and 31C in which the OA device K is supported by the upper back surface KH and extended in the vertical direction, and the OA device K stored in the storage position (S2). The tubular guide members 32, 32B, 32C, which are fixed to the table members 41, 42 on the back side and insert the support members 31, 31B, 31C from the upper end opening 321 to guide them in the vertical direction, and the tubular guide members 32, Guided by the rail portions 33, 33B, 33C formed in the vertical direction on the outer wall surfaces 322B, 322B, and 322C of the 32B and 32C, they are formed so as to be movable up and down from the ascending end position (JT) to the descending end position (KT). The weight portions 34, 34B, 34C, the pulley portions 35, 35B, 35C mounted on the upper end portions 32a of the tubular guide members 32, 32B, 32C, the support members 31, 31B, 31C and the weight portions 34, 34B, 34C. Since the wire members 36, 36B, 36C for connecting and are provided via the pulley portions 35, 35B, 35C, the equipment storage portion 2 for accommodating the OA device K is placed at the upper part of the lower top plate in the front-rear direction toward the center. Can be compactly arranged in the vertical direction. Further, the elevating device storage unit 4 for accommodating the "sliding mechanism" of the elevating devices 3, 3B and 3C located on the back side of the equipment storage unit 2 is compactly arranged in the front-rear direction at the center portion in the front-rear direction below the top plate. can. Therefore, the depth below the top plate can be expanded to secure the foot space 5 of the worker M as wide as possible.

Further, when the OA device K is moved to the installation position (S1), the weight portions 34, 34B, 34C move to the descending end position (KT) and stop, and the OA device K is moved to the storage position (S2). When the weight portions 34, 34B, 34C move to the rising end position (JT) and stop, the total weight of the OA device K and the support members 31, 31B, 31C and the weight portions 34, 34B, 34C It is well-balanced with the weight, and the OA equipment K can be moved from the storage position (S2) to the installation position (S1) with a light force, and the simple structure using the "sliding mechanism" greatly reduces the burden on the operator. can.

Therefore, according to the present embodiment, it is possible to prevent a decrease in work efficiency due to the elevating operation of the OA device K, and the elevating device 3 having a simple structure secures the foot space 5 of the worker M to provide a comfortable working environment. It is possible to provide a table 10 with a built-in elevating device that can be realized.

Further, according to the present embodiment, the support members 31, 31B, 31C are formed so as to support the central portion in the left-right direction of the OA device K, and the weight portions 34, 34B, 34C are the weight members 341, 341B, 341C. , 342, 342B, 342C are arranged symmetrically with respect to the support members 31, 31B, 31C with an equal weight, so that the positions are symmetrical with respect to the OA device K having a wide range of sizes in the left-right direction. The arranged weight members 341, 341B, 341C, 342, 342B, 342C balance the weight, and it is difficult to generate an eccentric load on the support members 31, 31B, 31C. Therefore, the structures of the support members 31, 31B, 31C and the tubular guide members 32, 32B, 32C can be simplified, and the elevating device storage unit 4 for accommodating the elevating device 3 under the top plate is further made compact. Can be made to. As a result, the depth under the top plate can be further expanded to secure a wider foot space 5 for the worker M.

Further, according to the present embodiment, the weight portions 34, 34B, 34C are fastened to the weight receiving members 343, 343B, 343C guided by the rail portions 33, 33B, 33C and the weight receiving members 343, 343B, 343C. Since the plate-shaped weight members 341, 341B, 341C, 342, 342B, and 342C formed so as to be laminated in the front-rear direction are provided, they are laminated on the weight receiving members 343, 343B, and 343C according to the weight of the OA device K. The balance can be easily adjusted by increasing or decreasing the quantity of the plate-shaped weight members 341, 341B, 341C, 342, 342B, and 342C. Further, since the plate-shaped weight members 341, 341B, 341C, 342, 342B, and 342C are formed so as to be stackable in the front-rear direction, the plate thickness of each plate-shaped weight member 341, 341B, 341C, 342, 342B, 342C can be increased. By forming the size of the weight portions 34, 34B, and 34C in the front-rear direction while making the weight thinner, the size of the weight portions 34, 34B, and 34C can be made more compact. Therefore, a larger OA device K can be attached to the elevating device 3 without increasing the size of the weight portions 34, 34B, 34C in the front-rear direction, and even in that case, the depth under the top plate is expanded. It is possible to secure a wide foot space 5 for the worker M.

Further, according to the present embodiment, the upper end portion 31a of the support member 31 is provided with a bracket portion 311 formed so that the OA device K can be attached, and one end 61 is fixed to the lateral outer wall surface 311a of the bracket portion 311. The other end 62 is fixed at a position separated in the left-right direction from the upper end portion 32a of the tubular guide member 32 below the top plate, and the outer wall surface 32b (323, 323B) in the left-right direction of the tubular guide members 32, 32B, 32C. , 323C1) The cable holders 6, 6B, 6C hanging in a substantially U shape are provided at positions different from the loci of the weight portions 34, 34B, 34C, and the OA device K is provided via the cable holders 6, 6B, 6C. Since the cables 63, 63B, 63C for connecting to other devices are arranged, the cables 63, 63B, 63C for the OA device K can be connected to other devices in advance, and the cables 63, 63B, 63C can be connected to the cables 63, 63B, 63C. There is no need to perform attachment / detachment operations.

Further, when the OA device K is moved from the storage position (S2) to the installation position (S1), the cable holders 6, 6B, 6C for holding the cables 63, 63B, 63C are the loci of the weight portions 34, 34B, 34C. Can move up and down without crossing. Therefore, it is not necessary to expand the size of the elevating device storage unit 4 below the top plate in the front-rear direction. As a result, every time the OA device K is moved from the storage position (S2) to the installation position (S1), it is possible to prevent a decrease in work efficiency in which the cables 63, 63B, 63C for the OA device K are connected to other devices. , Cable holders 6, 6B, 6C for holding the cables 63, 63B, 63C can be easily installed without providing a new space, and a comfortable working environment can be realized by securing the foot space 5 of the worker M.

Further, according to the present embodiment, the bracket portion 311 is formed with a storage portion 312 for storing parts and small items connected to the OA device K, so that a free working environment in the office can be easily realized. Can be done. For example, by connecting a PC (personal computer) to the OA device K as a tablet or a large display, a conference of a plurality of people can be easily held. Therefore, in the table 10 with a built-in elevating device that can be used for various purposes, a more comfortable working environment can be realized.

Further, according to the present embodiment, the lid plate 13 is formed so as to be able to stand on the top plate in an open state by opening to the back side of the OA device K, so that the OA device K is installed above the top plate. When in (S1), the lid plate 13 can be stored upright on the back side of the OA device K. Therefore, in the table 10 with a built-in elevating device, the lid plate 13 can be stored without sacrificing the workspace, and a more comfortable working environment can be realized.

<Modification example>
The above-described embodiment can be appropriately modified without changing the gist of the present invention. For example, in the present embodiment, since a plurality of workers M can sit on the top plate 1 of the table 10 with a built-in elevating device facing each other in the front-rear direction, the elevating device 3 is located at the center of the top plate 1 in the front-rear direction. The backs are installed close to each other below. However, the present invention is not limited to this, and when a plurality of workers M are not seated on the top plate 1 facing each other in the front-rear direction and a plurality of workers are seated adjacent to each other in the left-right direction. The elevating device 3 can also be installed at the rear end of the top plate 1.

INDUSTRIAL APPLICABILITY The present invention can be used as a table with a built-in lifting device that supports an OA device such as a display and can be stored under the top plate when the device is not in use, and can be installed above the top plate when the device is used.

1 Top plate 2 Equipment storage 3, 3B, 3C Lifting device 4 Lifting device storage 5 Foot space 6, 6B, 6C Cable holder 10 Lifting device built-in table 11 Opening 12 Hinge 13 Lid plate 31, 31B, 31C Support Members 32, 32B, 32C Cylindrical guide members 31a, 32a Upper end 32b Left-right outer wall surface 33, 33B, 33C Rail parts 34, 34B, 34C Weight parts 35, 35B, 35C Pulley parts 36, 36B, 36C Wire members 63, 63B, 63C power cable (cable)
64 HDMI cable (parts)
311 Bracket part 312 Storage part 321 Upper end opening 322, 322B, 322C Outer wall surface 341, 341B, 341C Weight member 342, 342B, 342C Weight member 343, 343B, 343C Weight receiving member 41, 42 Table member KOH Equipment KH KT descending end position JT ascending end position S1 installation position S2 storage position

Claims (6)

It is a table with a built-in elevating device equipped with a top plate and an elevating device for OA equipment that manually moves the OA equipment stored in the storage position of the equipment storage unit formed below the top plate to the installation position above the top plate. hand,
The rear end portion or the central portion in the front-rear direction of the top plate is provided with an opening through which the OA device is supported by the elevating device and passes through, and a lid plate mounted so as to be openable and closable with respect to the opening.
The elevating device has a support member that supports the OA device at the upper part of the back surface and extends in the vertical direction, and the support member that is fixed to the table member on the back side of the OA device stored in the storage position and has an upper end opening. It is formed so that it can move up and down from the ascending end position to the descending end position by being guided by the tubular guide member that is inserted from the portion and guided in the vertical direction and the rail portion formed in the vertical direction on the outer wall surface of the tubular guide member. It is provided with a weight portion, a pulley portion attached to the upper end portion of the tubular guide member, and a wire member that connects the support member and the weight portion via the pulley portion.
When the OA device is moved to the installation position, the weight portion is guided by the rail portion to move to the descending end position and stop, and when the OA device is moved to the storage position, the OA device is moved to the storage position. A table with a built-in elevating device, characterized in that the weight portion moves to the rising end position and stops. In the table with a built-in elevating device according to claim 1,
The support member is formed so as to support the central portion in the left-right direction of the OA device, and the weight portion is such that the weight member is arranged at a position symmetrical with respect to the support member with an equal weight. A table with a built-in lifting device. In the table with a built-in elevating device according to claim 1 or 2.
The weight portion has a built-in lifting device including a weight receiving member guided to the rail portion and a plate-shaped weight member fastened to the weight receiving member and formed so as to be laminated in the front-rear direction. table. In the table with a built-in elevating device according to any one of claims 1 to 3.
The upper end portion of the support member is provided with a bracket portion formed so that the OA device can be attached.
One end is fixed to the outer wall surface in the left-right direction of the bracket portion, and the other end is fixed at a position separated in the left-right direction from the upper end portion of the tubular guide member below the top plate in the left-right direction of the tubular guide member. A cable holder that hangs in a substantially U shape along the outer wall surface is provided at a position different from the trajectory of the weight portion.
A table with a built-in elevating device, characterized in that a cable connecting the OA device to another device is arranged via the cable holder. In the table with a built-in elevating device according to claim 4.
A table with a built-in elevating device, characterized in that the bracket portion is formed with a storage portion for storing parts or small items connected to the OA device. In the table with a built-in elevating device according to any one of claims 1 to 5.
The lid plate is a table with a built-in elevating device, which opens to the back side of the OA device and is formed so as to be able to stand on the top plate in an open state.

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