Top-board elevating furniture unit

Abstract

To provide a top-board elevating desk 1 that stably holds wiring and has good workability.SOLUTION: A top-board elevating desk 1 is provided with a top board 2, a pair of leg bodies 15, and a coupling member 40. The pair of leg bodies 15 are disposed spaced apart in the left-right direction of the top board 2, and are configured to support the top board 2 in a vertically movable manner. The coupling member 40 connects the pair of leg bodies 15 and has a wiring insertion space 42 through which wiring can be inserted. The coupling member 40 has a rear opening 40h that opens the wiring insertion space 42 toward the rear. An open space S that opens rearward and downward is formed behind the coupling member 40. The top-board elevating desk 1 is provided with a wiring tray 30. The wiring tray 30 is disposed to a side of the open space S, and forms a wiring storage space 38 that communicates with the open space S and can store wiring. The rear opening 40h communicates with at least one of the open space S and the wiring storage space 38.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to a furniture unit with a liftable top. [Background technology]

[0002] Conventionally, in offices and public facilities, furniture with tabletops, such as desks and tables, are used. The height of the tabletop that is easy to work at varies from person to person depending on the posture, physique, sex, and preferences of the user. Furniture with a fixed tabletop height cannot accommodate such situations, so tabletop lifting furniture that can change the height of the tabletop in the vertical direction is widely used. As a method for changing the height of the tabletop in the vertical direction, the use of gas springs and gears has been proposed. However, these methods have the problem that it may be difficult for users with weak strength to operate them. In view of such problems, in order to improve the operability of the lifting means, many tabletop lifting furniture using an electric drive unit that can automatically change the height of the tabletop up and down is adopted. With this method, the user can change the height of the tabletop with a simple operation.

[0003] In such a lifting tabletop fixture, the tabletop is generally supported by a pair of legs including a drive unit for lifting and lowering the tabletop, and a connecting member that connects the pair of legs. In addition, there is also a known method in which a wiring cable is inserted into a wiring insertion space formed inside the connecting member. Such a connecting member is open downward to allow wiring work to be performed. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Patent No. 6627140 [Patent Document 2] Patent No. 6675857 Summary of the Invention [Problem to be solved by the invention]

[0005] However, when the connecting member is opened downward, the wiring may fall downward and interfere with and damage the user's lower limbs, etc. Also, when wiring work is performed, the user must crawl under the connecting member below the tabletop and work while looking up, which leaves room for improvement in terms of workability.

[0006] The present invention aims to provide a lift-top type fixture that stably holds wiring and is easy to work with. [Means for solving the problem]

[0007] In order to solve the above problems, the present invention proposes the following means. The liftable tabletop fixture of the first aspect of the present invention has a tabletop, a pair of legs, and a connecting member. The pair of legs are arranged spaced apart in the left-right direction of the tabletop and support the tabletop so that it can be lifted and lowered. The connecting member connects the pair of legs and has a wiring insertion space through which wiring can be inserted. The connecting member has a rear opening that opens the wiring insertion space to the rear. An open space that is open to the rear and downward is formed behind the connecting member. The liftable tabletop fixture has a wiring tray. The wiring tray is arranged to the side of the open space and forms a wiring accommodation space that is connected to the open space and can accommodate wiring. The rear opening is connected to at least one of the open space and the wiring accommodation space.

[0008] The rear opening of the connecting member is open to the rear, not downward. Therefore, the wires inserted into the wiring insertion space of the connecting member are prevented from falling off, and the wires are stably held. In addition, the excess length of the wires that does not fit into the wiring insertion space can be held in the wiring accommodation space that communicates directly with the rear opening or indirectly through the open space. This prevents the excess length of the wires from falling off, and the wires are stably held. In addition, the user of the tabletop lifting fixture can view the inside of the wiring insertion space in the horizontal direction from the rear of the connecting member through the rear opening. Therefore, the workability of the wiring work is good. In addition, because there is an open space that is open to the rear and downward behind the connecting member, the user can insert their hands into this space to perform wiring work in the wiring accommodation space and the wiring insertion space. Therefore, the workability of the wiring work is good.

[0009] In a second aspect of the present invention, in the liftable tabletop fixture described in the first aspect, the connecting member has a front opening that opens the wiring insertion space forward. The user can visually check the wiring insertion space horizontally from the front of the connecting member through the front opening. Also, the user can insert his / her hand into the wiring insertion space from the front opening to perform wiring work. Therefore, the wiring work is easy.

[0010] In a third aspect of the present invention, in the lifting table display unit according to the second aspect, the connecting member has a bottom portion capable of holding wiring and a rising portion rising upward from the bottom portion. The front opening is provided above the rising portion. The bottom portion holds the wiring stably. The raised portion prevents the wiring in the wiring insertion space from being exposed to the front, which makes for a good appearance. The front opening also makes it easy to carry out wiring work from the front.

[0011] In a fourth aspect of the present invention, in the furniture fixture according to any one of the first to third aspects, the pair of legs have upper arms extending in the front-rear direction. The open space is formed inwardly of the pair of legs in the left-right direction. The tabletop can be stably supported by the upper arms that extend in the front-to-rear direction. However, since the working space is narrower where the upper arms are placed, a larger working space can be secured by forming an open space on the inside of the pair of legs.

[0012] In a fifth aspect of the present invention, in the lifting tabletop fixture described in any one of the first to fourth aspects, the wiring tray is provided on both sides of the open space. The pair of wiring trays increases the capacity of the wiring storage space. Also, one wiring tray can accommodate user-side wiring and the other can accommodate lift-up side wiring, allowing the pair of wiring trays to be used appropriately. The user-side wiring is the wiring for electronic devices used on the upper surface of the tabletop by users of the lift-up tabletop fixture. The lift-up side wiring is the wiring for devices related to the lifting and lowering movement of the tabletop. This restricts users' access to the lift-up side wiring, and prevents breakdowns in devices related to the lifting and lowering movement of the tabletop.

[0013] A sixth aspect of the present invention is the lifting tabletop fixture according to any one of the first to fifth aspects, further comprising a drive unit and a control unit. The drive unit is included in the pair of legs and raises and lowers the tabletop in the vertical direction. The control unit controls the operation of the drive unit. The control unit is disposed in an open space.

[0014] The wiring connecting the control unit and the drive unit can be guided from the wiring insertion space through the rear opening into the open space and connected to the control unit arranged in the open space. This makes the wiring work easy. Also, by arranging the control unit in the open space, the open space can be used effectively. Also, since a wiring tray is arranged to the side of the control unit, the excess length of the wiring connected to the control unit can be stored in the wiring tray. Effect of the Invention

[0015] According to the lift-top display fixture of the present invention, it is possible to provide a lift-top display fixture that stably holds wiring and is easy to work with. [Brief description of the drawings]

[0016] [Figure 1] 1 is a perspective view of a top-lift desk according to a first embodiment, viewed from above and from the front. FIG. [Diagram 2] 13 is a perspective view of the lifting legs and the connecting member with the cover member removed. FIG. [Diagram 3] FIG. 11 is a perspective view from above and the front of the desk with a height adjustable top according to the second embodiment. [Figure 4] FIG. 2 is a side view of the drive unit, the connecting member, and the control unit. [Diagram 5] FIG. 1 is an explanatory diagram of a wiring layout. [Figure 6] This is an oblique view from above and behind of the height-adjustable desk. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] Hereinafter, an embodiment of a liftable tabletop display unit will be described with reference to the drawings. (First embodiment) Fig. 1 is a perspective view from above and the front of a desk 1 with a liftable top according to a first embodiment. In Fig. 1, only the outline of a top 2 is shown by a two-dot chain line. The furniture with a liftable top according to the embodiment is, for example, the desk 1 with a liftable top.

[0018] In this application, the Z direction, X direction, and Y direction of the Cartesian coordinate system are defined as follows. The Z direction is the up-down direction of the desk 1 with adjustable top. The +Z direction is upward, and the -Z direction is downward. The X direction is the front-to-back direction of the desk 1 with adjustable top. The +X direction is backward, and the -X direction is forward. The Y direction is the left-to-right direction of the desk 1 with adjustable top. The direction approaching the center of the desk 1 in the left-to-right direction is the inner left-to-right direction, and the direction moving away from the center in the left-to-right direction is the outer left-to-right direction.

[0019] The desk 1 with a height-adjustable top comprises a top 2, a lifting leg 10, a connecting member 40, an upper arm 4, and a lower arm 8. The tabletop 2 is a flat plate parallel to the XY plane. The tabletop 2 is rectangular in plan view. The length direction of the short side of the tabletop 2 is the front-rear direction, and the length direction of the long side is the left-right direction. The upper surface of the tabletop 2 is a work surface.

[0020] The upper arm 4 is fixed to the underside of the tabletop 2. The upper arm 4 extends in the front-rear direction. The length of the upper arm 4 in the front-rear direction is slightly shorter than the length of the tabletop 2 in the front-rear direction. A pair of upper arms 4 are disposed at both ends of the tabletop 2 in the left-right direction.

[0021] The lifting legs 10 are disposed below the upper arm 4. The upper ends of the lifting legs 10 are fixed to the upper arm 4. The lifting legs 10 are disposed in the center of the tabletop 2 in the front-to-rear direction. The width of the lifting legs 10 in the front-to-rear direction is small. A pair of lifting legs 10 are disposed at both ends of the tabletop 2 in the left-to-right direction.

[0022] The lower arm 8 is a grounding part that comes into contact with the floor surface. The lower arm 8 is disposed below the lifting legs 10. The lower arm 8 extends in the front-to-rear direction. The central part of the lower arm 8 in the front-to-rear direction is fixed to the lower end of the lifting legs 10. A pair of lower arms 8 are disposed at both ends of the tabletop 2 in the left-to-right direction. In the present application, the combination of the upper arm 4, the lifting legs 10 and the lower arm 8 is referred to as legs 15. A pair of legs 15 are disposed at both ends of the tabletop 2 in the left-right direction, separated from each other.

[0023] The connecting member 40 is disposed between the pair of legs 15 in the left-right direction. The connecting member 40 connects the pair of legs 15. Both left-right ends of the connecting member 40 are fixed to the upper ends of the pair of lifting legs 10. The connecting member 40 is also fixed to the tabletop 2. The connecting member 40 assists the synchronous lifting and lowering movements of the pair of lifting legs 10. By connecting the connecting member 40 to the pair of legs 15, the supporting strength of the tabletop 2 can be increased.

[0024] The tabletop 2 is supported by a pair of legs 15 and a connecting member 40. The tabletop 2 can be raised and lowered in the vertical direction by the lifting legs 10 extending and retracting in the vertical direction. This allows the user to select the height of the tabletop 2 that is most convenient for work depending on their posture, physique, sex, preferences, etc.

[0025] 2 is a perspective view of the lifting leg 10 and the connecting member 40 with the cover member 18 (see FIG. 1) removed. The lifting leg 10 has an extendable portion 12, a drive unit 14, and the cover member 18 (see FIG. 1).

[0026] The telescopic section 12 has a number of square tubes. The multiple square tubes are arranged coaxially with respect to a central axis that is parallel to the vertical direction. The lower end of the outermost square tube is connected to the lower arm 8 (see FIG. 1). The upper end of the innermost square tube is connected to the drive unit 14. The multiple square tubes move relative to each other in the vertical direction, causing the telescopic section 12 to telescope in the vertical direction.

[0027] The drive unit 14 extends and retracts the telescopic section 12 in the up-down direction. An electric motor and the like are arranged inside the drive unit 14. The drive unit 14 is in the shape of a roughly rectangular parallelepiped box. The drive unit 14 is arranged above the telescopic section 12. The upper end of the telescopic section 12 is connected to the outer ends in the left-right direction of the lower surface of the drive unit 14. The drive unit 14 may be arranged inside the telescopic section 12.

[0028] 1, the cover member 18 covers the front surface and the inner left and right surfaces of the drive unit 14. The cover member 18 covers the drive unit 14, improving its appearance. The cover member 18 is detachable from the height-adjustable desk 1.

[0029] The connecting member 40 is formed by press-molding a steel plate material. The connecting member 40 is disposed between a pair of legs 15 in the left-right direction. As shown in Fig. 2, the shape of the connecting member 40 in a cross section perpendicular to the left-right direction is substantially J-shaped. The connecting member 40 has a first plate portion 40p, a second plate portion 40v, a bottom portion 40b, and a rising portion 40s.

[0030] The first plate portion 40p is disposed at the upper end portion of the connecting member 40. The first plate portion 40p is parallel to the rear surface of the top plate 2. The first plate portion 40p is fixed to the top plate 2 by bolts or the like. The second plate portion 40v extends downward from the first plate portion 40p. The second plate portion 40v is perpendicular to the rear surface of the top plate 2.

[0031] The bottom portion 40b extends forward from the lower end of the second plate portion 40v. The bottom portion 40b is inclined downward toward the front. The bottom portion 40b may be inclined upward toward the front, may be parallel to the rear surface of the top plate 2, or may be a combination of these.

[0032] The rising portion 40s rises upward from the front end of the bottom portion 40b. The rising portion 40s is perpendicular to the rear surface of the top plate 2. The rising portion 40s may be inclined forward as it extends upward, may be inclined backward as it extends upward, or may be a combination of these.

[0033] The connecting member 40 has a wiring insertion space 42 through which various wirings (cables) can be inserted. The wiring insertion space 42 is a space surrounded by the second plate portion 40v, the bottom portion 40b, and the rising portion 40s. The bottom portion 40b stably holds the wiring. Furthermore, the rising portion 40s prevents the wiring from falling off forward, and holds the wiring stably. Furthermore, the rising portion 40s prevents the wiring from being exposed forward, which improves appearance.

[0034] The connecting member 40 has a front opening 43 that opens the wiring insertion space 42 forward. The upper end of the rising portion 40s is spaced downward from the top plate 2. The front opening 43 is formed between the rising portion 40s and the top plate 2. That is, the front opening 43 is provided above the rising portion 40s.

[0035] A user of the lift-top desk 1 can visually confirm the wiring insertion space 42 in the horizontal direction from the front of the connecting member 40 through the front opening 43. The user can also insert their hand into the wiring insertion space 42 from the front opening 43 to perform wiring work. This improves the workability of the wiring work.

[0036] As shown in FIG. 1, an open space S that is open to the rear and downward is formed behind the connecting member 40. The open space S is formed in the center of the tabletop 2 in the left-right direction. The open space S is formed inside the pair of legs 15 in the left-right direction. As described above, the pair of legs 15 have upper arms 4 that extend in the front-rear direction, and the tabletop can be stably supported by the upper arms 4. On the other hand, since the working space is narrow in the portion where the upper arms 4 are arranged, a wide working space can be ensured by forming the open space S inside the pair of legs 15.

[0037] The connecting member 40 has a rear opening 40h that opens the wire insertion space 42 rearward. The wire insertion space 42 communicates with the open space S through the rear opening 40h. A user of the lift-top desk 1 can view the inside of the wire insertion space 42 horizontally from behind the connecting member 40 through the rear opening 40h. The user can also insert their hands into the wire insertion space 42 through the open space S and the rear opening 40h to perform wiring work. This improves the workability of wiring work.

[0038] The desk 1 with a height adjustable top has an operation switch 22, a control unit 20, and a wiring tray 30. The operation switch 22 is a switch that is operated by the user to raise and lower the tabletop 2. The operation switch 22 is fixed to the front of the lower surface of the tabletop 2. The operation switch 22 is disposed near one end of the tabletop 2 in the left-right direction.

[0039] The control unit 20 transmits electric signals to the pair of drive units 14 to control the operation of the pair of drive units 14, thereby controlling the lifting and lowering operation of the pair of lifting legs 10. In the first embodiment, the control unit 20 is incorporated in the drive unit 14 of one of the lifting legs 10. For example, the control unit 20 is incorporated in the drive unit 14 on the left side of FIG. 1. The control unit 20 incorporated in one drive unit 14 and the other drive unit 14 are connected by a wire (not shown). This wire is inserted into the wire insertion space 42 of the connecting member 40. In addition, a wire (not shown) connecting the operation switch 22 and the control unit 20 is also inserted into the wire insertion space 42.

[0040] The wiring tray 30 is formed in a flat plate shape using a resin material or the like. The wiring tray 30 is disposed below the top plate 2 with a gap therebetween and parallel to the top plate 2. The wiring tray 30 is attached to the underside of the top plate 2 by an attachment portion 31. The wiring tray 30 forms a wiring accommodation space 38 between the wiring tray 30 and the top plate 2. The wiring accommodation space 38 is open toward the rear. The wiring tray 30 is provided on both sides of the open space S. The wiring accommodation space 38 is open toward the open space S located inside in the left-right direction. That is, the wiring accommodation space 38 communicates with the open space S. The rear opening 40h of the connecting member 40 is formed at a position communicating with at least one of the open space S and the wiring accommodation space 38. In FIG. 1, the rear opening 40h is formed at a position straddling the open space S and the wiring accommodation space 38.

[0041] There is a power supply wiring 20c that supplies power to the control unit 20. The power supply wiring 20c is drawn from one of the drive units 14 in which the control unit 20 is incorporated into the wiring insertion space 42 of the connecting member 40. The power supply wiring 20c extends inward in the left-right direction along the wiring insertion space 42. The power supply wiring 20c passes through the rear opening 40h and is drawn into the open space S and the wiring accommodation space 38. The excess length of the power supply wiring 20c is accommodated in the wiring accommodation space 38 of the wiring tray 30. The power supply wiring 20c extends across the wiring tray 30 to one of the lifting legs 10. The power supply wiring 20c descends along one of the lifting legs 10 and is connected to a commercial power source.

[0042] As described above in detail, the desk 1 with a liftable top according to the embodiment includes the top 2, a pair of legs 15, and a connecting member 40. The pair of legs 15 are arranged at a distance from each other in the left-right direction of the top 2 and support the top 2 so that it can be raised and lowered. The connecting member 40 connects the pair of legs 15 and has a wiring insertion space 42 through which wiring can be inserted. The connecting member 40 has a rear opening 40h that opens the wiring insertion space 42 rearward. An open space S that is open rearward and downward is formed behind the connecting member 40. The desk 1 with a liftable top includes a wiring tray 30. The wiring tray 30 is arranged on the side of the open space S and forms a wiring storage space 38 that is connected to the open space S and can store wiring. The rear opening 40h is connected to at least one of the open space S and the wiring storage space 38.

[0043] The rear opening 40h of the connecting member 40 is open to the rear, not downward. Therefore, the wires inserted into the wire insertion space 42 of the connecting member 40 are prevented from falling off, and the wires are stably held. In addition, the excess length of the wires that does not fit into the wire insertion space 42 can be held in the wire accommodation space 38 that communicates directly with the rear opening 40h or indirectly through the open space S. This prevents the excess length of the wires from falling off, and the wires are stably held. In addition, the user of the desk 1 with a liftable top can view the inside of the wire insertion space 42 in the horizontal direction through the rear opening 40h. Therefore, the workability of the wiring work is good. In addition, because there is an open space S that is open to the rear and downward behind the connecting member 40, the user can insert his or her hands into this space to perform wiring work in the wire accommodation space 38 and the wire insertion space 42. Therefore, the workability of the wiring work is good.

[0044] Second embodiment Fig. 3 is a perspective view of the top and front of the desk 1 with a height adjustable top according to the second embodiment. In Fig. 3, only the outline of the top 2 is shown by a two-dot chain line. The desk 1 with a height adjustable top in the second embodiment differs from the first embodiment in that the control unit 20 is disposed in the open space S. Descriptions of the second embodiment that are similar to the first embodiment may be omitted.

[0045] The control unit 20 and the power tap 50 are disposed in the open space S behind the connecting member 40. The power tap 50 has a plurality of outlets (sockets, outlets) into which power plugs are inserted. The power tap 50 is disposed behind the control unit 20.

[0046] FIG. 4 is a side view of the drive unit 14, the connecting member 40, and the control unit 20. In FIG. 4, only the lower surface of the top plate 2 is shown by a two-dot chain line. A support bracket 26 supporting the power tap 50 is arranged in the open space S behind the connecting member 40. The support bracket 26 supports the power tap 50 with the plug-in surface of the power plug facing rearward. The upper end of the support bracket 26 is fixed to the top plate 2. The support bracket 26 may be removable from the top plate 2. A connection member 27 connects the lower part of the support bracket 26 to the connecting member 40. The connection member 27 may be removable from the support bracket 26 and the connecting member 40. The control unit 20 is arranged above the connection member 27 and supported by the connection member 27. The control unit 20 is detachable from the connection member 27. The support bracket 26 and the connection member 27 are arranged in the open space S together with the power tap 50 and the control unit 20.

[0047] Fig. 5 is an explanatory diagram of the wiring layout. In Fig. 5, only the outline of the tabletop 2 is shown, and the illustration of the extendable portion 12 of the lifting legs 10, the wiring tray 30, etc. is omitted. The wire 22c of the operation switch 22 extends rearward from the operation switch 22. The wire 22c enters the wire insertion space 42 from the front opening 43 of the connecting member 40. The wire 22c extends inward in the left-right direction along the wire insertion space 42. The wire 22c passes through a rear opening 40h of the connecting member 40 and extends rearward of the connecting member 40. A connector at the tip of the wire 22c is connected to the control unit 20 arranged in the open space S.

[0048] Wires 14c of the drive units 14 extend from the control unit 20. A pair of wires 14c extend corresponding to the drive units 14 of the pair of lifting legs 10. The wires 14c pass through the rear opening 40h of the connecting member 40 and enter the wire insertion space 42. The wires 14c extend outward in the left-right direction along the wire insertion space 42. The connectors at the ends of the pair of wires 14c are inserted into the sockets 16 of the corresponding drive units 14.

[0049] When a user operates the operation switch 22, the operation switch 22 transmits an operation signal corresponding to the operation content to the control unit 20. The control unit 20 transmits a drive signal corresponding to the operation signal to the drive unit 14. The drive unit 14 extends and retracts the extension / contraction section 12 in response to the drive signal. As a result, the tabletop 2 moves up and down according to the operation of the user.

[0050] 6 is a perspective view of the desk from above and behind, in which only the outline of the tabletop 2 is shown by a two-dot chain line. Electronic devices (not shown) such as a PC (Personal Computer) and a monitor are placed on the upper surface of the top board 2 so that a user of the height-adjustable desk 1 can perform work. Power wiring 91 for the electronic devices is routed downward through the space behind the top board 2 from above. The excess length of the power wiring 91 is accommodated in the wiring accommodation space 38 of one of the pair of wiring trays 30. A power plug 92 of the power wiring 91 is inserted into a power tap 50 arranged in the open space S.

[0051] A power supply wiring 51 that supplies power to the power tap 50 extends to the side of the power tap 50. The power supply wiring 51 enters the wiring accommodation space 38 of the other of the pair of wiring trays 30. The power supply wiring 51 crosses the wiring tray 30 and descends along the lifting legs 10. A power plug (not shown) of the power supply wiring 51 is connected to a commercial power source. If there is any excess length in the power supply wiring 51, the excess length is accommodated in the wiring accommodation space 38.

[0052] The power supply wiring 20c that supplies power to the control unit 20 extends to the side of the control unit 20. The power supply wiring 20c enters the wiring accommodation space 38 of the other of the pair of wiring trays 30. An excess length of the power supply wiring 20c is accommodated in the wiring accommodation space 38. The power supply wiring 20c crosses the wiring tray 30 and descends along the lifting legs 10. A power plug (not shown) of the power supply wiring 20c is connected to a commercial power source.

[0053] In this way, one wiring tray 30 can accommodate user-side wiring, and the other wiring tray 30 can accommodate lift-up side wiring, allowing the pair of wiring trays 30 to be used appropriately. The user-side wiring is wiring for electronic devices used by a user of the lift-up desk 1 on the upper surface of the top 2, such as the power supply wiring 91. The lift-up side wiring is wiring for devices related to the lifting and lowering operation of the top 2, such as the power supply wiring 20c of the control unit 20. This restricts the user's access to the lift-up side wiring, and prevents failure of devices related to the lifting and lowering operation of the top 2.

[0054] Also, one wiring tray 30 may house the power supply wiring 91 of an electronic device on one side in the left-right direction, and the other wiring tray 30 may house the power supply wiring 91 of an electronic device on the other side in the left-right direction. In this way, a pair of wiring trays 30 can be used for different purposes.

[0055] The desk 1 with adjustable top board according to the second embodiment described above in detail has the same effects as those of the first embodiment, that is, the wiring is stably held, and the wiring work is easy. In particular, in the second embodiment, the wiring 14c connecting the control unit 20 and the drive unit 14 can be guided from the wiring insertion space 42 through the rear opening 40h to the open space S and connected to the control unit 20 arranged in the open space S. This improves the workability of the wiring work. Furthermore, by arranging the control unit 20 in the open space S, the open space S can be effectively utilized. Furthermore, since the wiring tray 30 is arranged to the side of the control unit 20, the excess length of the wiring connected to the control unit 20 can be accommodated in the wiring tray 30.

[0056] Although one embodiment of the present invention has been described in detail above with reference to the drawings, the specific configuration is not limited to this embodiment, and design changes and the like that do not deviate from the gist of the present invention are also included. [Explanation of symbols]

[0057] S…Open space 1. Height-adjustable desk (height-adjustable display unit) 2…Tabletop 14…Drive unit 15…Leg body 20…Control unit 20c…Power wiring (wiring) 30…Wiring tray 38…Wiring storage space 40...Connecting member 40b…Bottom 40h…rear opening 40s…Rising section 42…Wiring insertion space 43…Front opening 51...Power supply wiring (wiring)

Claims

1. The top plate and A pair of legs arranged apart in the left-right direction of the tabletop and supporting the tabletop so that the tabletop can be raised and lowered; a connecting member that connects the pair of legs and has a wiring insertion space through which a wiring can be inserted, the connecting member has a rear opening that opens the wire insertion space rearward, An open space that is open rearward and downward is formed behind the connecting member, a wiring tray disposed on a side of the open space, communicating with the open space and forming a wiring accommodation space capable of accommodating wiring; The rear opening communicates with at least one of the open space and the wiring accommodating space. Display rack with liftable top.

2. The connecting member has a front opening that opens the wiring insertion space forward. A liftable display fixture as described in claim 1.

3. The connecting member has a bottom portion capable of holding a wiring and a rising portion rising upward from the bottom portion, The front opening is provided above the rising portion. A liftable display fixture as described in claim 2.

4. The pair of legs each have an upper arm extending in the front-rear direction, The open space is formed on the inside of the pair of legs in the left-right direction. A display unit with a liftable top as described in any one of claims 1 to 3.

5. The wiring tray is provided on both sides of the open space. A display unit with a liftable top as described in any one of claims 1 to 3.

6. A drive unit included in the pair of legs for raising and lowering the tabletop in the up and down direction; A control unit for controlling the operation of the drive unit. The control unit is disposed in the open space. A display unit with a liftable top as described in any one of claims 1 to 3.

Images