Display device, and private room structure

Abstract

To provide a display device and private room that allow for checking the status quo of a private room having a doorway opened and closed by a sliding door from outside.SOLUTION: In a state where a user enters a private room S and a sliding door 3 is disposed in a closed position, a display unit 172 is hidden on a rear side of the sliding door 3 (Fig. 2 (a)). When the user operates an operation element 120 to a display position from this state, the display unit 172 is lifted to be protruded upward further than a top edge of the sliding door 3 (Fig. 2 (b)). When the user acts to open the sliding door 3 for exiting from the private room S, the operation element 120 is disposed in a release position (gets backed) accompanied by the opening action, and the display unit 172 is caused to descend (Fig. 2 (c)). As a result, the status quo of the private room S can be checked from outside on the basis of whether the display unit 172 of a display device 100 is protruded from the top edge of the sliding door 3.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present invention relates to a display device and a private room structure, and more particularly to a display device and a private room structure that can externally confirm the usage status of a private room whose entrance and exit are opened and closed by a sliding door.

Background Art

[0002] As a structure for displaying the usage status of a private room to the outside, for example, a display unit interlocked with the locking and unlocking operations is provided in a locking mechanism, and the usage status of the private room can be externally confirmed by the display of the display unit (for example, a red display indicating use and a blue display indicating non-use) (Patent Document 1).

[0003] Here, in facilities such as nursery facilities where there are relatively young children (for example, 4 years old or younger) or facilities where there are people with intellectual disabilities, in order to prevent children or people with intellectual disabilities who cannot unlock from being confined, it is common not to provide a locking mechanism. Therefore, the applicant of the present application has developed a new display device that can externally confirm the usage status of a private room (Patent Document 2).

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0005] However, the technique of Patent Document 2 has a problem that the target is limited to a hinged door, and the usage status of a private room whose entrance and exit are opened and closed by a sliding door cannot be externally confirmed.

[0006] The present invention has been made to solve the above-described problems, and an object thereof is to provide a display device and a compartment structure capable of externally checking the usage status of a compartment whose entrance and exit are opened and closed by a sliding door.

Means for Solving the Problems

[0007] In order to achieve this object, the display device of the present invention is disposed in a compartment structure including a fixed frame that partitions a compartment having an entrance and exit and an open top surface, and a sliding door that opens and closes the entrance and exit of the fixed frame. The display device includes a main body disposed on the back surface of the sliding door, a slider slidably displaceable between a protruding position and a pushed-in position pushed into the main body relative to the protruding position, a biasing means configured to apply a biasing force in a direction from the pushed-in position toward the protruding position to the slider, an operating element rotatably disposed on the main body between a display position and a release position, a rotating arm having its proximal end fixed to the operating element, a lifting body having a display portion on its upper end side and disposed on the main body so as to be liftable, a connecting link having one end side and the other end side rotatably connected to the lower end side of the lifting body and the tip side of the rotating arm, respectively, for connecting the lifting body and the rotating arm, and a pendulum piece rotatably suspended from the other end side of the connecting link or the tip side of the rotating arm. In a state where the slider is pushed into the pushed-in position, when the operating element is operated from the release position to the display position and the rotating arm is rotated in a first direction along with the operation of the operating element, the lifting body is lifted and the pendulum piece is placed on the placement surface of the slider. When the slider is slidably displaced from the pushed-in position toward the protruding position by the biasing force of the biasing means, the placement surface of the slider is pulled out from below the pendulum piece, so that the rotating arm receiving the weight of the lifting body is rotated in a second direction opposite to the first direction, the operating element is disposed at the release position, and the lifting body is lowered.

[0008] In addition, the private room structure of the present invention includes the display device according to any one of claims 1 to 4, and includes a fixed frame that partitions a private room having an entrance and exit and an open top surface, and a sliding door that opens and closes the entrance and exit of the fixed frame. When the sliding door is open, the slider at the protruding position protrudes from the end of the sliding door. When the sliding door is closed, the slider is pushed into the pushing position by the vertical frame of the fixed frame. When the elevating body is raised, the display unit protrudes above the upper edge of the sliding door, and when the elevating body is lowered, the display unit is submerged below the upper edge of the sliding door.

Effect of the Invention

[0009] According to the display device according to claim 1 or the private room structure according to claim 5, the slider at the protruding position protrudes from the end of the sliding door, and in a state where the elevating body is raised, the display unit protrudes above the upper edge of the sliding door, and in a state where the elevating body is lowered, the display unit is submerged below the upper edge of the sliding door. By disposing the main body on the back surface of the sliding door, the usage status of the private room can be confirmed from the outside in a private room whose entrance and exit are opened and closed by the sliding door.

[0010] According to the display device according to claim 2, in addition to the effect exhibited by the display device according to claim 1, when the oscillator piece is placed on the placement surface of the slider, the connection position between the rotating arm and the connecting link is more on the second direction side than the position above the rotation center of the rotating arm. Since the rotating arm is tilted, the placement surface of the slider can be pulled out from below the oscillator piece, and when the weight of the elevating body acts on the rotating arm via the connecting link, the rotating arm can be easily rotated in the second direction.

[0011] According to the display device described in claim 3, in addition to the effects achieved by the display device described in claim 2, the pendulum piece includes a connecting body that is connected to the connecting link, and a thick portion that is disposed on one side of the connecting body and has a larger thickness dimension than the connecting body. Therefore, the center of gravity of the pendulum piece 190 can be eccentric to the thick portion side, and it is easy to form a posture in which the thick portion is downward. Thus, it is easy to place the pendulum piece (thick portion) on the placement surface of the slider. Also, since the area of the pendulum piece (thick portion) can be increased, the state in which the pendulum piece is placed on the placement surface of the slider can be stabilized.

[0012] According to the display device described in claim 4, in addition to the effects achieved by the display device described in claim 3, the slider includes a roller that is rotatably disposed on the tip side of the slider, and the rotation axis of the roller is in a direction along the vertical direction. Therefore, when the slider is pushed into the vertical frame as the sliding door is closed, even if the sliding door rattles in the front-rear direction with respect to the vertical frame, the rattling can be absorbed by the rotation of the roller. Thus, the slider can be smoothly pushed to the pushing position.

Brief Description of the Drawings

[0013]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Embodiments for Carrying Out the Invention

[0014] Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. First, with reference to FIG. 1, a private room structure 1 including a display device 100 will be described. FIG. 1(a) is a top view of the private room structure 1 in an embodiment of the present invention, and FIG. 1(b) is a front view of the private room structure 1 as viewed in the direction of arrow Ib in FIG. 1(a).

[0015] In FIGS. 1(a) and 1(b), the sliding door 3 is in a closed state (a state of being arranged at the closed position), and a state where the elevating body 170 (display unit 172) of the display device 100 is raised is illustrated. Further, the arrows F - B, arrow U - D, and arrow L - R in FIGS. 1(a) and 1(b) represent the front - rear direction, the up - down direction, and the left - right direction, respectively. Since the same applies to FIGS. 2 and later, the description thereof will be omitted.

[0016] As shown in FIGS. 1(a) and 1(b), the private room structure 1 includes a panel 2 that partitions the private room S, a sliding door 3 that opens and closes the entrance and exit of the panel 2 by sliding displacement in the left - right direction (the direction of arrow L - R), and a display device 100 disposed on the back surface (inner surface, the surface on the arrow B direction side) of the sliding door 3.

[0017] The panel 2 forms the side wall of the private room S, and the private room S is formed as a space with an open top surface (the arrow U direction side). The panel 2 includes a vertical frame 2a facing the door tip of the sliding door 3 arranged at the closed position.

[0018] The sliding door 3 is supported by the panel 2 by a rail mechanism (not shown). On the door tip side (the right side in FIG. 1(b)) of the sliding door 3, door handles 3a are formed on the front surface (outer surface) and the back surface (inner surface) of the sliding door 3, respectively.

[0019] The display device 100 is a device for displaying the usage status (in use, not in use) of the private room S to the outside (outside the private room S), and is operated by a user in the private room S. The display mode of this display device 100 will be described with reference to FIG. 2.

[0020] Figures 2(a) to 2(c) are front views of the display device 100 as viewed in the direction of arrow II in Figure 1(a). In Figure 2(a), the sliding door 3 is in the closed position and the operator 120 is in the released position. In Figure 2(b), the sliding door 3 is in the closed position and the operator 120 is in the display position. In Figure 2(c), the opening operation of the sliding door 3 is performed and the operator 120 is in the released position, and these states are respectively illustrated.

[0021] As shown in Figure 2(a), when the user enters the private room S and the sliding door 3 is arranged in the closed position, the display unit 172 is hidden on the back (inner surface) side of the sliding door 3. When the user operates the operator 120 to the display position (rotates it counterclockwise in Figure 2(a)) from the state shown in Figure 2(a), as shown in Figure 2(b), the display unit 172 is lifted and protrudes above the upper edge of the sliding door 3.

[0022] When the user performs the opening operation of the sliding door 3 from the state shown in Figure 2(b) to leave the private room S, along with the opening operation, as shown in Figure 2(c), the operator 120 is arranged (returned) to the released position and the display unit 172 is lowered. Thereafter, when the sliding door 3 is arranged in the closed position, the state shown in Figure 2(a) is formed.

[0023] As a result, based on whether the display unit 172 of the display device 100 protrudes from the upper edge of the sliding door 3 (whether the display unit 172 is visible from the outside of the private room S), the usage status of the private room S can be confirmed from the outside.

[0024] Next, with reference to Figures 3 and 4, the detailed configuration of the display device 100 will be described. Figure 3 is an exploded perspective view of the display device 100 showing the configuration on the main body cover 110B side, and Figure 4 is an exploded perspective view of the display device 100 showing the configuration on the main body base 110A side.

[0025] In addition, in FIGS. 3 and 4, the spiral illustrations representing the threads (valleys) of the wood screw WS and the fastening screw FS are omitted. Further, in FIGS. 3 and 4, the center lines (rotation axes) and connection relationships of the respective components are illustrated by two-dot chain lines, and the connection relationships between the two-dot chain lines are illustrated by connectors using symbols H, I, J, K, and M.

[0026] As shown in FIGS. 3 and 4, the display device 100 includes a main body base 110A and a main body cover 110B that form the outer shell of the device, an operator 120 disposed on the outer surface (the surface on the arrow B direction side) of the main body cover 110B, and storage components (a rotating disk 130, a rotating arm 140, a slider 150, a coil spring 160, a lifting body 170, a connecting link 180, and a pendulum piece 190) stored in the internal space of the overlapped main body base 110A and main body cover 110B. In this embodiment, these components (110A, 110B, 120 to 150, 170 to 190) are made of a resin material.

[0027] The main body base 110A includes a back plate portion 110A1, and side wall portions 110A3 to 110A7 and a receiving portion 110A8 erected from the outer edge of the back plate portion 110A1. The main body cover 110B includes front plate portions 110B1, 110B2, and side wall portions 110B3 to 110B7 erected from the outer edges of the front plate portions 110B1, 110B2.

[0028] The main body base 110A and the main body cover 110B have an outer shape that is substantially L-shaped in plan view and are formed to be substantially the same size. When the main body base 110A and the main body cover 110B are overlapped, the erected tips of the side wall portions 110A3 to 110A7 and the erected tips of the side wall portions 110B3 to 110B7 are brought into contact with each other.

[0029] The erected tips of the side wall portions 110A3 to 110A7 and the erected tips of the side wall portions 110B3 to 110B7 have an inlay structure in which the rising portions formed at one erected tip are fitted into the receiving portions formed at the other erected tip, and this fitting restricts the horizontal movement (the direction parallel to the plane including the arrows U-D and L-R) of the main body cover 110B with respect to the main body base 110A.

[0030] In a state where the main body base 110A and the main body cover 110B are overlapped (a state where the erected tips of the side wall portions 110A3 to 110A7 and the erected tips of the side wall portions 110B3 to 110B7 are fitted), the back plate portion 110A1 and the front plate portions 110B1, 110B2 face each other substantially in parallel with a predetermined interval therebetween.

[0031] The front plate portion 110B2 is offset toward the arrow B direction side from the front plate portion 110B1, and the turntable 130 and the rotary arm 140 are housed in the internal space formed by the offset.

[0032] A shaft support hole SH, which is a circular hole, is formed in the front plate portion 110B2, and the planar shape of the front plate portion 110B2 is formed in a substantially circular shape concentric with the shaft support hole SH. The side wall portion 110B7 and the side wall portion 110A7 are formed to be curved in an arc shape in a plan view centered on the shaft support hole SH.

[0033] Further, an arrow-shaped opening (hereinafter referred to as "arrow opening AP") extending in the circumferential direction is formed in the front plate portion 110B2 around the shaft support hole SH.

[0034] A guide wall LG and an insertion boss PB are erected on the back plate portion 110A1 and the front plate portions 110B1, 110B2. When the main body base 110A and the main body cover 110B are overlapped, the erected tips of the guide walls LG come into contact with each other, and the erected tips of the insertion bosses PB come into contact with each other.

[0035] The guide wall LG is formed as a pair of wall portions extending along the vertical direction (arrow U-D direction), and guides (defines) the direction of the sliding displacement (ascending and descending) of the lifting body 170 in the vertical direction (arrow U-D direction) by the opposing surfaces.

[0036] The insertion bosses PB are distributed and arranged at multiple locations (three locations in this embodiment). Insertion holes are formed in the insertion bosses PB, the back panel portion 110A1, and the front panel portion 110B1. The display device 100 is fastened and fixed to the back surface (inner surface) of the sliding door 3 by wood screws WS inserted from the side of the front panel portion 110B1 into the insertion holes (see FIG. 2).

[0037] A pedestal portion BS is erected on the back panel portion 110A1. The erected front end surface (the surface on the arrow B direction side) of the pedestal portion BS faces the front panel portion 110B2 (shaft support hole SH) with a predetermined interval therebetween, and a turntable 130 and a rotating arm 140 are rotatably arranged in the interval therebetween.

[0038] Insertion holes are formed in the pedestal portion BS and the back panel portion 110A1. A fastening screw FS inserted from the side of the back panel portion 110A1 into the insertion hole is screwed into the female screw 124 of the operating element 120, and the operating element 120 is rotatably arranged. Further, the main body base 110A and the main body cover 110B are integrated by being sandwiched between the head of the fastening screw FS and the gripping portion 121 of the operating element 120.

[0039] The operating element 120 includes a long gripping portion 121, a shaft portion 122 and a fitting portion 123 protruding from the center in the longitudinal direction of the gripping portion 121, and a female screw 124 formed on the protruding end surface of the fitting portion 123.

[0040] The shaft portion 122 is a shaft (cylindrical body) having a circular cross section and is rotatably supported by the shaft support hole SH. The fitting portion 123 is a prism with a substantially square cross section and is fitted into the fitting holes 131 and 142 of the turntable 130 and the rotating arm 140. By this fitting, the rotation of the operating element 120 can be transmitted to the turntable 130 and the rotating arm 140.

[0041] The turntable 130 has a fitting hole 131 that is substantially square in plan view, and is formed in a substantially semi-circular shape in plan view with a disk centered on the fitting hole 131 divided into substantially halves. A part of the side surface of the turntable 130 serves as a stopper surface 132 that regulates the rotation of the turntable 130 by contacting an insertion boss PB (the one erected from the front panel portion 110B2).

[0042] Here, when the operator 120 is disposed at the release position, the gripping portion 121 is in the vertical posture (the posture with the longitudinal direction along the arrow U-D direction) (see FIGS. 2(a) and 2(c)). When the operator 120 is rotated approximately 90 degrees (rotated in the direction indicated by the arrow shape of the arrow opening AP) from the release position, the stopper surface 132 abuts against the insertion boss PB, and the operator 120 is disposed at the display position. When the operator 120 is disposed at the display position, the gripping portion 121 is in the horizontal posture (the posture with the longitudinal direction along the arrow L-R direction) (see FIG. 2(b)).

[0043] On the plate surface of the turntable 130 (the surface on the side facing the front plate portion 110B2), an identification portion 133 is disposed in a partial region of the plate surface (the region on the stopper surface 132 side). The identification portion 133 is colored with a color different from the color of the turntable 130 (white in this embodiment) (red in this embodiment).

[0044] When the operator 120 is at the release position, the identification portion 133 (red) is visible from the arrow opening AP (see FIGS. 2(a) and 2(c)). When the operator 120 is at the display position, the turntable 130 (the region where the identification portion 133 is not disposed, that is, white) is visible from the arrow opening AP (see FIG. 2(b)).

[0045] The rotary arm 140 includes a long arm main body 141, a fitting hole 142 that is substantially square in plan view and is formed in the proximal end side of the arm main body 141, and a cylindrical connection pin 143 that protrudes in the arrow F direction from the distal end side of the arm main body 141. The connection pin 143 is rotatably inserted into the connection holes 183 and 192 of the connection link 180 and the pendulum piece 190.

[0046] The slider 150 is a member that is slidably displaced between a protruding position (see Fig. 2(c)) and a pushed-in position (see Figs. 2(a) and 2(b)) that is pushed into the display device 100 from the protruding position. It includes a main body 151, a holding recess 152 that is recessed in the end face on the base end side of the main body 151, a pair of leg portions 153 that protrude in the direction of arrow R from both sides sandwiching the holding recess 152, and a roller 154 that is rotatably supported on the tip end side of the main body 151.

[0047] The side surface of the main body 151 of the slider 150 is guided by the opposing surfaces of the side wall portions 110A5, 110B5 and the side wall portions 110A6, 110B6, and the opposing surfaces of the pair of leg portions 153 are guided by the side surface of the pedestal portion BS. Thus, the direction of its sliding displacement is defined in the left-right direction (arrow L-R direction).

[0048] On the side surface of the pedestal portion BS of the main body base 110A, a recess (not shown) having the same shape as the holding recess 152 is recessed at a position facing the holding recess 152. One end side and the other end side of the coil spring 160 are respectively inserted and held in these holding recess 152 and the recess.

[0049] In a state where the slider 150 is disposed at the protruding position, the coil spring 160 is in a free length or a slightly compressed and deformed state. When the slider 150 is pushed to the pushed-in position, the coil spring 160 is compressed and deformed, and its elastic restoring force is applied to the slider 150 as a biasing force in the direction from the pushed-in position toward the protruding position.

[0050] On the pair of leg portions 153, a stopper surface 153a for restricting the sliding displacement of the slider 150, a placement surface 153b on which the pendulum piece 190 is placed, and a guiding surface 153c for guiding the posture of the pendulum piece 190 are formed.

[0051] The slider 150 that receives the biasing force of the coil spring 160 has its sliding displacement restricted by the stopper surface 153a coming into contact with the side wall portion 110A4 and the receiving portion 110A8 of the main body base 110A, and is disposed at the protruding position (see Fig. 6(b)).

[0052] When the slider 150 is disposed at the pushed-in position, the pendulum piece 190 can be placed on the placement surface 153b as the operator 120 is operated (see Fig. 5(b)). The placement surface 153b is formed as a flat surface substantially parallel to the horizontal plane (the plane including the arrow F-B and the arrow L-R).

[0053] The roller 154 is a cylindrical rotating body, and its rotation axis is along the vertical direction (arrow U-D direction). Also, the outer peripheral surface of the roller 154 protrudes outward from the outer surface on the tip side (arrow L direction side) of the main body 151, and the outer peripheral surface of the roller 154 can be brought into contact with the vertical frame 2a (see Fig. 2).

[0054] Therefore, when the slider 150 is pushed in by the vertical frame 2a as the sliding door 3 is closed, even if the sliding door 3 has rattling in the front-rear direction (arrow F-B direction), the rattling can be absorbed by the rotation of the roller 154. Therefore, the slider 150 can be smoothly pushed to the pushed-in position.

[0055] The lifting body 170 includes a long main body 171, a display portion 172 disposed on the upper end side of the main body 171, and a connection hole 173 formed in the lower end side of the main body 171. The main body 171 is guided by the guide wall LG, so as to be slidably displaced (raised and lowered) in the vertical direction (arrow U-D direction).

[0056] The display portion 172 is formed in a substantially circular shape in plan view with an outer diameter larger than the interval between the opposing surfaces of the guide wall LG. When the display portion 172 is brought into contact with the upper end (the end on the arrow U direction side) of the guide wall LG, the lowering of the lifting body 170 is restricted (see Fig. 6(b)).

[0057] The connecting hole 173 is a circular hole through which the connecting pin 182 of the connecting link 180 is rotatably inserted. Further, recesses 171a are recessed in a plurality of locations (two locations in this embodiment) in the main body 171, and metal weights 174 are disposed in the recesses 171a. By utilizing the weight of the weights 174, the lifting body 170 can be easily lowered, and as a result, the operating element 120 can be reliably returned to the release position (see FIGS. 6(a) and 6(b)).

[0058] The connecting link 180 includes a long link body 181, a connecting pin 182 which is a circular cross-section shaft (cylindrical body) protruding in the direction of arrow F from one end side of the link body 181, and a connecting hole 183 formed as a circular hole at the other end side of the link body 181. The connecting pin 182 is rotatably inserted into the connecting hole 173 of the lifting body 170, and the connecting pin 143 of the rotating arm 140 is rotatably inserted into the connecting hole 183, whereby the lifting body 170 and the rotating arm 140 are connected by the connecting link 180.

[0059] The pendulum piece 190 includes a cylindrical main body 191, a connecting hole 192 formed as a circular hole substantially at the center of the main body 191, a thick portion 193 disposed on one side of the main body 191, and a protrusion 194 protruding from the side surface on the other side of the main body 191.

[0060] The pendulum piece 190 is rotatably suspended from the connecting pin 143 by inserting the connecting pin 143 of the rotating arm 140 into the connecting hole 192. That is, the pendulum piece 190 is disposed in a state where it can swing (rotate) with respect to the connecting pin 143 by the action of gravity.

[0061] The thickness dimension (dimension in the arrow F-B direction) of the thick portion 193 is made larger than the thickness dimension of the main body 191, while the thickness dimension of the protrusion 194 is made smaller than the thickness dimension of the main body 191. Also, the width dimension (dimension in the arrow L-R direction) of the thick portion 193 is made substantially the same as the width dimension of the main body 191, while the width dimension of the protrusion 194 is made smaller than the width dimension of the main body 191.

[0062] As a result, the weight on the thick portion 193 side can be increased, and the center of gravity of the entire pendulum piece 190 can be offset toward the thick portion 193 side. Therefore, the posture of the pendulum piece 190 suspended from the connecting pin 143 can be easily maintained in a posture where the thick portion 193 is on the lower side. As a result, the pendulum piece 190 (thick portion 193) can be easily placed on the placement surface 153b of the slider 150 (leg portion 153).

[0063] Further, by increasing the thickness dimension of the thick portion 193, the area of the lower surface of the pendulum piece 190 (the surface on the opposite side of the protrusion 194 across the main body 191) can be increased. As a result, the state in which the pendulum piece 190 (thick portion 193) is placed on the placement surface 153b of the slider 150 (leg portion 153) can be stabilized.

[0064] Note that the inner diameter of the connecting hole 192 of the pendulum piece 190 is made larger than the inner diameter of the connecting hole 183 of the connecting link 180. That is, the pendulum piece 190 has a greater play (degree of freedom of displacement in the radial direction) in the radial direction (the direction parallel to the plane including the arrows U-D and L-R) with respect to the connecting pin 143 of the rotating arm 140 than the connecting link 180. As a result, the pendulum piece 190 (thick portion 193) can be easily placed on the placement surface 153b of the slider 150 (leg portion 153).

[0065] Next, with reference to FIGS. 2, 5 to 7, the operation of the display device 100 will be described. FIGS. 5 to 7 are state transition diagrams of the display device 100, and the state in which the main body cover 110B is removed is illustrated. FIG. 5(a) corresponds to the state shown in FIG. 2(a), FIG. 5(b) corresponds to the state shown in FIG. 2(b), and FIG. 6(b) corresponds to the state shown in FIG. 2(c).

[0066] Note that in FIGS. 5 to 7, the rotating arm 140 is illustrated using a two-dot chain line. Also, the arrows RD1 and RD2 in FIG. 5(b) represent the rotation direction of the rotating arm 140, the direction indicated by the arrow RD1 is referred to as the first direction, and the direction indicated by the arrow RD2 is referred to as the second direction.

[0067] As shown in FIGS. 2(a) and 5(a), when the sliding door 3 is disposed in the closed position, the slider 150 is disposed in the pushed-in position. The elevating body 170 is disposed at the lowest descending position when the display unit 172 abuts against the upper end of the guide wall LG (the end on the arrow U direction side), and the operator 120 is disposed in the released position. In this case, the identification unit 133 of the turntable 130 is disposed in the arrow opening AP, and red is displayed in the arrow opening AP in the present embodiment.

[0068] When the operator 120 is operated (rotated counterclockwise in FIG. 2(a)) toward the display position from the state shown in FIGS. 2(a) and 5(a), the rotary arm 140 is rotated in the first direction (the arrow RD1 direction) which is the direction of raising the connecting pin 143, and the rotation of the rotary arm 140 in the first direction (the raising of the connecting pin 143) is transmitted to the elevating body 170 via the connecting link 180, whereby the elevating body 170 is raised.

[0069] As shown in FIGS. 2(b) and 5(b), when the operator 120 is operated to the display position, the lower surface of the pendulum piece 190 (thick portion 193) is placed on the placement surface 153b of the slider 150 (leg portion 153). Thereby, a state in which the display unit 172 of the elevating body 170 protrudes above the sliding door 3 is formed and maintained.

[0070] Note that, as described above, the operator 120 is disposed in the display position when the stopper surface 132 of the turntable 130 abuts against the insertion boss PB (both are shown in FIG. 3) and its rotation is restricted. In this case, the turntable 130 itself (that is, the non-disposed region of the identification unit 133) is disposed in the arrow opening AP, and white is displayed in the arrow opening AP in the present embodiment.

[0071] Here, a guiding surface 153c (see FIGS. 4 or 6) is connected to the placement surface 153b of the slider 150 (leg portion 153). Therefore, when the pendulum piece 190 is placed on the placement surface 153b, if the posture of the pendulum piece 190 is inclined, the thick portion 193 or the protrusion 194 of the pendulum piece 190 abuts against the guiding surface 153c, and the pendulum piece 190 approaches the guiding surface 153c in the abutted state, so that the pendulum piece 190 is guided (corrected) to the vertical posture. As a result, the lower surface of the pendulum piece 190 (thick portion 193) can be appropriately placed on the placement surface 153b.

[0072] When the sliding door 3 starts to open from the states shown in FIGS. 2(b) and 5(b), the restraint (pushing-in) by the vertical frame 2a is released, and the slider 150 receiving the biasing force (elastic restoring force) of the coil spring 160 is slidably displaced from the pushed-in position toward the protruding position. As a result, the leg portion 153 (placement surface 153b) of the slider 150 is pulled out from under the lower surface of the pendulum piece 190 (thick portion 193).

[0073] Here, the arrangement of the rotary arm 140 during this pulling-out operation will be described. In FIG. 5(b), the virtual line IL1 is a line passing through the rotation axis of the rotary arm 140 and parallel to the vertical direction, and the virtual line IL2 is a line passing through the rotation axis of the rotary arm 140 and the axis of the connecting pin 143.

[0074] As shown in FIGS. 2(b) and 5(b), in the state where the pendulum piece 190 (thick portion 193) is placed on the placement surface 153b of the slider 150 (leg portion 153), the virtual line IL2 is located on the second direction side (arrow RD2 direction side) with respect to the virtual line IL1. That is, the rotary arm 140 is inclined such that the tip side (i.e., the connection position between the rotary arm 140 (connecting pin 143) and the connecting link 180 (connecting hole 183)) is located on the second direction side (arrow RD2 direction side) with respect to the virtual line IL1 (a position above the rotation center of the rotary arm 140).

[0075] As a result, when the leg portion 153 (the placed surface 153b) of the slider 150 is pulled out from the lower surface of the pendulum piece 190 (the thick portion 193), and the weight of the lifting body 170 acts on the rotating arm 140 via the connecting link 180, the rotating arm 140 can be easily rotated in the second direction (the direction of arrow RD2) (see Fig. 6(a)).

[0076] As shown in Fig. 6(a), when the leg portion 153 (the placed surface 153b) of the slider 150 is pulled out from the lower surface of the pendulum piece 190 (the thick portion 193), the weight of the lifting body 170 acts on the rotating arm 140 via the connecting link 180, and the rotating arm 140 is rotated in the second direction (the direction of arrow RD2), which is the direction of lowering the connecting pin 143, so that the lifting body 170 is lowered.

[0077] As shown in Figs. 2 and 6(b), when the display portion 172 of the lifting body 170 abuts against the upper end of the guide wall LG (the end portion on the arrow U direction side) and its lowering is restricted, the operator 120 is arranged at the release position. Also, the slider 150 is arranged at the protruding position.

[0078] When the closing operation of the sliding door 3 is performed from the state shown in Figs. 2 and 6(b), the slider 150 is pushed in by the vertical frame 2a. When the sliding door 3 is arranged at the closed position, the slider 150 is arranged at the pushed-in position, and the states shown in Figs. 2(a) and 5(a) are formed and maintained.

[0079] Here, as shown in Fig. 7, in the state where the slider 150 is arranged at the protruding position (that is, the state where the sliding door 3 is open), even if the operator 120 is operated to the display position, the placed surface 153b of the slider 150 (the leg portion 153) does not exist below the pendulum piece 190 (the thick portion 193). Also, the side surface of the pedestal portion BS is formed as a curved surface that slopes downward in the direction of guiding the pendulum piece 190 in the second direction.

[0080] Therefore, when the hand is released from the operator 120, the rotating arm 140 is rotated in the second direction by the weight of the lifting body 170, the lifting body 170 is lowered, and the operator 120 is disposed at the release position. That is, when the sliding door 3 is open, the lifting body 170 is not maintained in the raised state (the state in which the display unit 172 protrudes above the upper edge of the sliding door 3).

[0081] As described above, the present invention has been described based on the embodiments. However, it is easily conceivable that the present invention is not limited to the above embodiments at all, and various improvements and modifications can be made without departing from the spirit of the present invention.

[0082] The numerical values given in the above embodiments are examples, and it is of course possible to adopt other numerical values. For example, although the case where the number of wood screws WS is three has been described, it may be two or less, or four or more. The same applies to the number of weights 174, which may be one, or three or more. The number of weights 174 may be zero.

[0083] Although not described in the above embodiments, the facility in which the private room structure 1 is installed and the use of the private room S are arbitrary. For example, examples of the facility include a nursery facility, a nursing facility, a care facility, a hospital, a library, and the like. Examples of the use include, for example, a toilet, a nap room, a rest room, a consultation room, a study room, and the like.

[0084] In the above embodiment, the form in which the display device 100 is attached to the right-opening sliding door 3 (the sliding door that is pulled in to the left when viewed from the outside of the private room S and has an opening on the right side) has been described. However, the display device may be attached to the left-opening sliding door. The display device in this case is configured in a shape that is symmetric with respect to the plane of the display device 100 in the above embodiment (that is, in FIG. 2, the shape with the plane including the arrows L-R and U-D (the back surface (inner surface) of the sliding door 3) as the symmetry plane). Therefore, in this case, the rotation direction when the operator 120 is operated from the release position to the display position is opposite to the rotation direction of the display device 100 in the above embodiment.

[0085] In the above embodiment, the case where each component 110A, 110B, 120 to 150, 170 to 190 is made of a resin material has been described, but some or all of the components may be made of other materials. Examples of other materials include wood and metal materials.

[0086] In the above embodiment, the case where the longitudinal direction of the connecting link 180 is inclined with respect to the lifting direction (vertical direction) of the lifting body 170 in the state where the pendulum piece 190 is placed on the placement surface 153b of the slider 150 has been described (see Fig. 5(b)). However, in the above state, the longitudinal direction of the connecting link 180 may be parallel to the lifting direction (vertical direction) of the lifting body 170 (that is, the lifting body 170, the connecting link 180, and the pendulum piece 190 are arranged in a straight line).

[0087] The arrangements of the connecting pins 143, 182 and the connecting holes 173, 183, 192 when connecting the respective members (rotating arm 140, lifting body 170, connecting link 180, and pendulum piece 190) described in the above embodiment are examples, and the connecting pins 143, 182 and the connecting holes 173, 183, 192 may be interchanged to have a reverse arrangement.

[0088] Examples of the reverse arrangement include, for example, a form in which a connecting pin protrudes from the lower end side of the lifting body 170, and a connecting hole to which the connecting pin is connected is formed on one end side of the connecting link 180, or a form in which connecting pins protrude from both surfaces (the surface on the arrow F side and the surface on the arrow B side) of the other end side of the connecting link 180, a connecting hole to which one connecting pin is connected is formed on the tip side of the rotating arm 140, and the other connecting pin is connected to the connecting hole 192 of the pendulum piece 190.

[0089] In the above embodiment, the case where the pendulum piece 190 is rotatably supported (suspended) by the rotating arm 140 has been described, but a configuration in which the pendulum piece 190 is rotatably supported (suspended) by the connecting link 180 may be adopted. For example, a connecting pin is added to the other end side of the connecting link 180, the connecting pin 143 of the rotating arm 140 is inserted into the connecting hole 183 of the connecting link 180, and the connecting pin added to the other end side of the connecting link 180 is inserted into the connecting hole 192 of the pendulum piece 190.

[0090] In the above embodiment, the case where the coil spring 160 is compressed and deformed when the slider 150 is disposed at the pushed-in position has been described. However, when the slider 150 is disposed at the pushed-in position, the coil spring 160 may be configured to be stretched and deformed. Further, instead of the coil spring 160, a torsion spring or a leaf spring may be employed. These materials are not limited to metals and may be composed of resin materials.

[0091] In the above embodiment, the case where the sliding door 3 is manually opened and closed has been described. However, a self-closing sliding door (for example, a mechanism in which an internal spring is elastically deformed as the door opens, and when the hand is released, the closing operation of the sliding door 3 is performed using the elastic restoring force of the spring) may be employed.

[0092] In the above embodiment, the case where the identification unit 133 is made of a resin material has been described. However, the identification unit 133 may be constituted by a seal attached to the turntable 130 or a paint applied to the turntable 130. Alternatively, the turntable 130 may be formed by two-color molding.

Explanation of Reference Numerals

[0093] One-chamber structure S chambers 2 panels (fixed frame) 2a Vertical frame 3 Sliding door 100 Display device 110A Main body base (main body) 110B Main body cover (main body) 120 Operator 140 Rotating arm 150 Slider 153b Placed surface 154 Roller 160 Coil spring (biasing means) 170 Lifting body 172 Display unit 180 Connecting link 190 Oscillator piece 191 Main body (connector) 193 Thick part U-D Up-down direction RD1 First direction RD2 Second direction

Claims

1. A display device disposed in a private room structure including a fixed frame partitioning a private room having an entrance and exit and an open top surface, and a sliding door for opening and closing the entrance and exit of the fixed frame, comprising: a main body disposed on the back surface of the sliding door; a slider slidably disposed on the main body between a protruding position and a pushed-in position pushed into the main body from the protruding position; biasing means configured to apply a biasing force in a direction from the pushed-in position toward the protruding position to the slider; an operating element rotatably disposed on the main body between a display position and a release position; a rotating arm having its proximal end fixed to the operating element; a lifting body having a display portion on its upper end side and disposed on the main body so as to be liftable; a connecting link having one end side and the other end side rotatably connected to the lower end side of the lifting body and the tip side of the rotating arm, respectively, for connecting the lifting body and the rotating arm; a pendulum piece rotatably suspended from the other end side of the connecting link or the tip side of the rotating arm; and in a state where the slider is pushed in to the pushed-in position, when the operating element is operated from the release position to the display position and the rotating arm is rotated in a first direction along with the operation of the operating element, the lifting body is lifted and the pendulum piece is placed on the placement surface of the slider; when the slider is slidably displaced from the pushed-in position toward the protruding position by the biasing force of the biasing means, the placement surface of the slider is pulled out from below the pendulum piece, so that the rotating arm receiving the weight of the lifting body is rotated in a second direction opposite to the first direction, the operating element is disposed at the release position, and the lifting body is lowered. The display device is characterized by this.

2. The display device according to claim 1, wherein in a state where the pendulum piece is placed on the placement surface of the slider, the rotating arm is inclined such that the connection position between the rotating arm and the connecting link is on the second direction side rather than a position above the rotation center of the rotating arm.

3. The display device according to claim 2, wherein the pendulum piece includes a connecting body connected to the connecting link, and a thick portion disposed on one side of the connecting body and having a larger thickness dimension than the connecting body.

4. The slider according to claim 3, wherein the slider is provided with a roller rotatably disposed on the tip side of the slider, and the rotation axis of the roller is in a direction along the vertical direction.

5. A private room structure including the display device according to any one of claims 1 to 4, a fixed frame that partitions a private room having an entrance and an open top surface, and a sliding door that opens and closes the entrance of the fixed frame. In a state where the sliding door is open, the slider at the protruding position protrudes from the tip of the sliding door. In a state where the sliding door is closed, the slider is pushed into the pushing position by the vertical frame of the fixed frame. A private room structure characterized in that, in a state where the elevating body is raised, the display portion protrudes above the upper edge of the sliding door, and in a state where the elevating body is lowered, the display portion is submerged below the upper edge of the sliding door.

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