Rotatable refrigerator

Abstract

The invention provides a rotatable refrigerator which comprises a refrigerator body and a rotating device arranged at the bottom of the refrigerator body, and the rotating device comprises a supporting structure which comprises a horizontally-arranged base and supporting legs arranged in the base; the first driving mechanism is connected with the supporting legs and can drive the ends, away from the first starting mechanism, of the supporting legs to move towards the side, away from the box body, of the base so as to support the box body. The turntable is arranged on the base and is fixedly connected with the bottom of the box body; and the second driving mechanism is connected with the turntable and can drive the turntable to rotate relative to the base. According to the rotatable refrigerator, the refrigerator body is lifted through the first driving mechanism, then the refrigerator body is rotated through the second driving mechanism, and the side wall and the rear wall of the refrigerator body can be rotated to the front side so that the side wall and the rear wall can be fully utilized.

Description

Technical Field

[0001] The present invention relates to the technical field of refrigeration equipment, and in particular to a rotatable refrigerator. Background Art

[0002] The two side panels and the back panel of the existing refrigerator are usually sheet metal panels, which are not well utilized. Therefore, the refrigerator cannot provide users with more possibilities for use except for refrigerating food. Summary of the Invention

[0003] The purpose of the present invention is to provide a rotatable refrigerator, in which a rotating device is arranged at the bottom of the box body so that the box body can be rotated to the front and can be arranged on the sides and back as needed, thereby solving the problem that the sides and back of the refrigerator in the prior art are not well utilized.

[0004] In order to achieve one of the above-mentioned objects, one embodiment of the present invention provides a rotatable refrigerator, comprising a refrigerator body and a rotating device disposed at the bottom of the refrigerator body, wherein the rotating device comprises:

[0005] A supporting structure comprising a horizontally arranged base and supporting feet arranged in the base;

[0006] a first driving mechanism connected to the supporting leg and capable of driving the supporting leg to move away from one end of the first driving mechanism toward a side of the base away from the box body to support the box body;

[0007] A turntable is provided on the base and is fixedly connected to the bottom of the box;

[0008] The second driving mechanism is connected to the turntable and can drive the turntable to rotate relative to the base.

[0009] As a further improvement of an embodiment of the present invention, the first driving mechanism includes a screw member rotatably connected to the base, the screw member includes a screw portion, and the screw portion is formed with a spiral groove;

[0010] The base is provided with at least three first receiving holes and at least three second receiving holes, wherein the first receiving holes extend in a horizontal direction, and the second receiving holes extend in a vertical direction and are communicated with the first receiving holes;

[0011] There are at least three supporting feet, and the supporting feet include a support rod and a base foot connected to each other, the support rod is arranged in the first accommodating hole, the base foot is arranged in the second accommodating hole, and one end of the support rod away from the base foot is arranged in the spiral groove, so that the support rod can move along the extension direction of the first accommodating hole when the spiral member rotates.

[0012] As a further improvement of one embodiment of the present invention, the base foot is provided with a connecting shaft and a supporting surface, the base foot is connected to the base via the connecting shaft, the support rod is arranged on the supporting surface at one end away from the spiral member, and the supporting foot includes a first state in which the support rod is arranged on the supporting surface at one end away from the spiral member and away from the connecting shaft, and a second state in which the support rod is arranged on the supporting surface at one end away from the spiral member and close to the connecting shaft.

[0013] As a further improvement of an embodiment of the present invention, the support rod includes a rod body and a support body vertically connected to one end of the rod body near the base, and in the horizontal direction, the length of the support body is greater than the width of the rod body;

[0014] The base is provided with a stop block located above the support surface. The stop block and the support surface are spaced apart, and the distance between the stop block and the support surface matches the height of the support body.

[0015] As a further improvement of an embodiment of the present invention, the spiral member further includes a first toothed portion, the first driving mechanism further includes a first gear, the first toothed portion engages with the first gear and rotates driven by the first gear.

[0016] As a further improvement of an embodiment of the present invention, the spiral member further includes a threaded portion, the threaded portion is connected between the first toothed portion and the spiral portion, and the spiral member is threadedly connected to the base through the threaded portion.

[0017] As a further improvement of an embodiment of the present invention, the turntable is provided with a second toothed portion, the second driving mechanism includes a second gear, the second toothed portion is engaged with the second gear, and rotates under the drive of the second gear.

[0018] As a further improvement of an embodiment of the present invention, the refrigerator is further provided with a press chamber, which is arranged on the top of the box body, and the box body rotates relative to the press chamber under the action of the rotating device.

[0019] As a further improvement of an embodiment of the present invention, hooks for fixing the press chamber to prevent it from rotating are provided on both sides of the press chamber.

[0020] As a further improvement of one embodiment of the present invention, the rear wall and two side walls of the box body may be optionally provided with a plane mirror, a display screen or a memo board.

[0021] One or more technical solutions provided by the present invention have at least the following technical effects or advantages:

[0022] The rotatable refrigerator provided by the present invention is provided with a rotating device at the bottom of the box body. The rotating device uses supporting feet and a first driving mechanism to support the box body, and then drives a turntable fixed to the box body through the second driving mechanism to drive the box body to rotate, so that the side and back of the box body can be rotated to the front for user convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural diagram of a refrigeration device in an embodiment of the present invention.

[0024] Figure 2 yes Figure 1 Schematic diagram of the structure of the rotating device.

[0025] Figure 3 yes Figure 2 Bottom view of the rotating device.

[0026] Figure 4 yes Figure 3 Schematic cross-sectional view along line AA.

[0027] Figure 5 yes Figure 4 Schematic diagram of the structure of the spiral component.

[0028] Figure 6 yes Figure 3 Schematic cross-sectional view along line BB.

[0029] Figure 7 yes Figure 6 Enlarged view of point C in the middle.

[0030] Figure 8 yes Figure 2 Front view of the rotating device.

[0031] Figure 9 yes Figure 8 Schematic cross-sectional view along line DD.

[0032] Figure 10 yes Figure 1 Schematic diagram of the refrigeration equipment when it is embedded in the installation (the top wall / cabinet of the refrigeration equipment and the flexible decorative strip on the right are omitted).

[0033] Figure 11 yes Figure 10 Enlarged view of point E in the middle.

[0034] 10. Box body; 101. Roller; 20. Rotating device; 30. Press chamber; 301. Hook; 40. Cabinet body; 401. Fixing hook; 402. Flexible decorative strip;

[0035] 1. Base; 11. Bottom plate; 111. First accommodating hole; 112. Second accommodating hole; 12. Connecting portion; 21. Support rod; 211. Rod body; 212. Support body; 22. Foot; 221. Connecting shaft; 222. Support surface; 223. Stop block; 23. Connecting end; 3. Screw; 31. Screw portion; 311. Spiral groove; 32. First toothed portion; 33. Threaded portion; 4. Turntable; 41. Second toothed portion; 42. Top plate; 5. First gear; 6. First motor; 7. Second gear; 8. Second motor; 9. Lubricating ring. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0037] As used herein, terms such as "center," "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer" that indicate spatial relative positions are used for ease of explanation to describe the relationship of one element or feature relative to another element or feature as shown in the accompanying drawings. Spatially relative terms may be intended to encompass different orientations of the device in use or operation other than the orientation shown in the drawings.

[0038] For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0039] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0040] Furthermore, it should be understood that although the terms first, second, etc. may be used herein to describe various elements or structures, these described objects should not be limited by these terms. These terms are merely used to distinguish these described objects from each other. For example, a first drive mechanism may be referred to as a second drive mechanism, and similarly, a second drive mechanism may be referred to as a first drive mechanism without departing from the scope of protection of this application.

[0041] The embodiment of the present invention provides a rotatable refrigerator, such as Figures 1 to 11 As shown, it includes a box body 10 and a rotating device 20 arranged at the bottom of the box body 10, the rotating device 20 includes a supporting structure, a first driving mechanism for driving the supporting structure, a turntable 4 and a second driving mechanism for driving the turntable 4, the supporting structure includes a horizontally arranged base 1 and supporting feet arranged in the base 1; the first driving mechanism is connected to the supporting feet, and can drive the supporting feet to move away from one end of the first driving mechanism toward the side of the base 1 away from the box body 10 to support the box body 10; the turntable 4 is arranged on the base 1 and fixedly connected to the bottom of the box body 10; the second driving mechanism is connected to the turntable 4, and can drive the turntable 4 to rotate relative to the base 1.

[0042] Specific as Figure 1 In the embodiment, four rollers 101 are provided at the four corners of the bottom of the box 10 to support the box 10. When the box 10 needs to rotate, the first driving mechanism drives one end of the supporting foot to move away from the box 10, that is, closer to the ground, until the supporting foot is supported on the ground, supporting the box 10 and making the rollers 101 leave the ground. The turntable 4 is then driven to rotate by the second driving mechanism. Since the turntable 4 is connected to the bottom of the box 10 and can rotate relative to the base 1, the turntable 4 can drive the box 10 to rotate relative to the base 1, or the ground. Of course, the rollers 101 may not be provided at the bottom of the box 10, and the box 10 can be supported by the bottom surface of the box 10 or the base 1.

[0043] Furthermore, the first driving mechanism includes a screw member 3 rotatably connected to the base 1, such as Figure 5 As shown, the spiral member 3 includes a spiral portion 31, and the spiral portion 31 is formed with a spiral groove 311; the base 1 is provided with at least three first accommodating holes 111 and at least three second accommodating holes 112, the first accommodating holes 111 extend in the horizontal direction, and the second accommodating holes 112 extend in the vertical direction and are connected to the first accommodating holes 111; there are at least three supporting feet, and the supporting feet include a support rod 21 and a base foot 22 connected to each other, the support rod 21 is arranged in the first accommodating hole 111, and the base foot 22 is arranged in the second accommodating hole 112, and the end of the support rod 21 away from the base foot 22 is arranged in the spiral groove 311, so that the support rod 21 can move along the extension direction of the first accommodating hole 111 when the spiral member 3 rotates.

[0044] Preferably, Figure 9 In the embodiment, the spiral member 3 is disposed in the middle of the base 1, and four supporting legs are provided. These four legs are evenly spaced and extend from the middle of the base 1 to the four corners of the bottom of the box 10. The four legs 22 provide support for the box 10 similar to the rollers 101 at the bottom of the box 10, providing better support for the box 10. Of course, the present invention does not limit the number of supporting legs; as long as there are at least three, the box 10 can be effectively supported.

[0045] The support foot also includes a connecting end 23 connected to the end of the support rod 21 away from the base 22. The connecting end 23 is arranged perpendicular to the support rod 21 and extends into the spiral groove 311. When the first driving mechanism is not working, the support rod 21 and the base 22 of the support foot are respectively located in the first accommodating hole 111 and the second accommodating hole 112; when the spiral member 3 in the second driving mechanism rotates, since the end of the support rod 21 away from the base 22 is arranged in the spiral groove 311, when the spiral portion 31 rotates with the spiral member 3, the spiral portion 31 can drive the support rod 21 to move along the length direction of the first accommodating hole 111. Specifically, when the spiral portion 31 rotates outward, the support rod 21 moves along the length direction of the first accommodating hole 111 toward the end close to the base 22, thereby pushing the base 22 to move toward the side close to the ground, and finally protruding from the second accommodating hole 112, and the base 22 abuts against the ground. As the spiral portion 31 continues to rotate outward, the foot 22 protrudes further from the second receiving hole 112, gradually lifting the base 1 and the turntable 4 and box body 10 above it, so that the box body 10 (or roller 101) will not rub against the ground when the turntable 4 drives the box body 10 to rotate.

[0046] Further, such as Figure 7 As shown, the base 22 is provided with a connecting shaft 221 and a supporting surface 222. The base 22 is connected to the base 1 through the connecting shaft 221. The support rod 21 is arranged on the supporting surface 222 at one end away from the spiral member 3. The supporting foot includes a first state in which the support rod 21 is arranged on the supporting surface 222 at one end away from the spiral member 3 and away from the connecting shaft 221, and a second state in which the support rod 21 is arranged on the supporting surface 222 at one end away from the spiral member 3 and close to the connecting shaft 221.

[0047] The foot 22 is connected to the base 1 via a connecting shaft 221 and can rotate around the connecting shaft 221. In this embodiment, the end of the foot 22 away from the connecting shaft 221 is a free end, and the end close to the connecting shaft 221 is a rotating end.

[0048] When the support foot is in the first state, the first driving mechanism is not working. At this time, the spiral member 3 is in the initial state. When the first driving mechanism starts to work, the spiral member 3 rotates in the direction of the spiral structure of the spiral portion 31 rotating outward. The side wall of the spiral groove 311 pushes the connecting end 23, so that the connecting end 23 pushes the support rod 21 to move along the length direction of the first receiving hole 111 toward the bottom foot 22. The end of the support rod 21 away from the spiral member 3 pushes the bottom foot 22 to rotate through the supporting surface 222. Figure 7 The middle part rotates counterclockwise, and the free end protrudes out of the base 1 and is supported on the ground until the supporting foot reaches the second state.

[0049] The support foot is transformed from the second state to the first state by simply rotating the spiral member 3 in the opposite direction, that is, the spiral structure of the spiral portion 31 rotates inward, and the side wall of the spiral groove 311 moves the support rod 21 toward the direction close to the spiral member 3 through the connecting end 23. The base foot 22 loses the thrust of the support rod 21 and rotates clockwise along the connecting axis 221 back to the second accommodating hole 112.

[0050] Furthermore, the support rod 21 includes a rod body 211 and a support body 212 vertically connected to the rod body 211 near one end of the base 22. In the horizontal direction, the length of the support body 212 is greater than the width of the rod body 211; the base 22 is provided with a stop block 223 located above the support surface 222, and the stop block 223 is spaced apart from the support surface 222 and the distance between the two is matched with the height of the support body 212.

[0051] Specifically, the rod body 211 of the support rod 21 is in the shape of an elongated plate, and the support body 212 is connected to one end of the plate-shaped support rod 21. Figure 7 The middle support body 212 is cylindrical and has a length greater than the width of the plate-shaped rod body 211. A stop block 223 is provided on the support surface 222, and the spacing between the stop block 223 and the support surface 222 matches the support body 212, which can confine the support body 212 to the space between the support surface 222 and the stop block 223, thereby improving the connection between the support rod 21 and the base 22.

[0052] When the support rod 21 pushes the base foot 22, the base foot 22 gradually rotates until the support surface 222 faces the support rod 21. If the length of the support body 212 is ≤ the width of the plate-shaped rod body 211, the rotation will be restricted by the stop block 223. Therefore, the length of the support body 212 needs to be greater than the width of the plate-shaped rod body 211, and the stop block 223 can stop the protruding part of the support body 212 from the rod body 211.

[0053] In some embodiments, the spiral member 3 further includes a first toothed portion 32, and the first driving mechanism further includes a first gear 5. The first toothed portion 32 engages with the first gear 5 and rotates under the drive of the first gear 5. Specifically, Figure 4In the embodiment, the first driving mechanism further includes a first motor 6, which drives the first gear 5 to rotate, thereby driving the spiral member 3 having the first toothed portion 32 to rotate, thereby achieving the final drive of the first driving mechanism.

[0054] Furthermore, the screw 3 also includes a threaded portion 33, which is connected between the first toothed portion 32 and the spiral portion 31. The screw 3 is threadedly connected to the base 1 through the threaded portion 33; the threaded portion 33 can also be arranged on the side of the first toothed portion 32 away from the spiral portion 31.

[0055] When the first drive mechanism is operating, placing the support foot in the second state, the free end of the base foot 22 is supported on the ground, and the entire weight of the refrigeration unit rests on the base foot 22, causing the base foot 22 to rotate clockwise back into the second receiving hole 112. This clockwise rotation of the base foot 22 pushes the support rod 21 toward the screw 3, causing the screw 3 to rotate in the opposite direction. This reverse rotation of the screw 3 can reverse the rotation of the first motor 6, damaging it. Threading the screw 3 to the base foot 22 increases the contact area between the two, which in turn increases friction and, to a certain extent, prevents the screw 3 from rotating in the opposite direction, thus protecting the first motor 6.

[0056] In some embodiments, the turntable 4 is provided with a second toothed portion 41 , and the second driving mechanism includes a second gear 7 . The second toothed portion 41 engages with the second gear 7 and rotates driven by the second gear 7 .

[0057] Specifically, the turntable 4 is further provided with a top plate 42, which is fixedly connected to the bottom of the housing 10. The second toothed portion 41 is a hollow gear and is connected to the bottom of the top plate 42. The base 1 includes a bottom plate 11 and a connecting portion 12 provided on the top of the bottom plate 11. The aforementioned first receiving hole 111 and second receiving hole 112 are provided in the bottom plate 11. The outer periphery of the connecting portion 12 and the inner periphery of the hollow second toothed portion 41 are matched to form a circular shape. The hollow second toothed portion 41 is sleeved outside the connecting portion 12, and the top surface of the connecting portion 12 abuts the ground of the top plate 42, so that the base 1 supports the turntable 4 and the turntable 4 can rotate relative to the base 1.

[0058] The second driving mechanism also includes a second motor 8, such as Figure 4 In the embodiment, the second motor 8 is disposed on the bottom plate 11 and connected to the second gear 7. Preferably, a lubricating ring 9 is disposed between the outer periphery of the connecting portion 12 and the inner periphery of the hollow second toothed portion 41. The lubricating ring 9 has a relatively small friction force, which reduces the friction force between the connecting portion 12 and the second toothed portion 41, thereby reducing the driving force of the second motor 8.

[0059] The connecting portion 12 is formed with a special-shaped cavity that runs vertically through it. A threaded hole is formed in its center for connection with the threaded portion 33 of the screw 3. The opening of the spiral groove 311 of the screw 3 faces downward, and the connecting end 23 of the support leg extends from bottom to top into the spiral groove 311. The first motor 6 is fixed in the special-shaped cavity, driving the first gear 5 to rotate the screw 3. Because the screw 3 is threadedly connected to the base 1, the screw 3 rises or falls when it rotates.

[0060] In some embodiments, the refrigerator is further provided with a press chamber 30, which is provided on the top of the box body 10, and the box body 10 rotates relative to the press chamber 30 under the action of the rotating device 20. Figure 10 As shown, the present invention provides a built-in rotatable refrigerator. Cabinets 40 are provided on both sides and the top of the refrigerator to secure the press chamber 30. Hooks 301 are provided on both sides of the press chamber 30 to prevent rotation. Four hooks 301 are provided, located at the front and rear ends of the press chamber 30. Furthermore, fixing hooks 401 are provided on both the left and right sides of the cabinet 40. The fixing hooks 401 open forward, and the hooks 301 are bent backward in an L shape. When the refrigerator is moved into the home, the hooks 301 are aligned with the openings of the fixing hooks 401, and then the refrigerator is pushed in from the front to the back. The hooks 301 and the fixing hooks 401 cooperate to prevent the press chamber 30 from rotating with the cabinet 10.

[0061] Since the cabinet 10 needs to rotate, a gap needs to be set between the refrigerator and the cabinets 40 on the left and right sides according to the size of the cabinet 10. Flexible decorative strips 402 are also set on the cabinets 40 on the left and right sides to block the gap.

[0062] The press chamber 30 is arranged at the top of the box body 10 instead of the traditional arrangement at the bottom. On the one hand, it can avoid the complex structure of the bottom of the box body 10, which is not conducive to the structural design and the routing of wires in the box body 10. On the other hand, since the rotating device 20 is added to the bottom of the box body 10, the height of the box body 10 is increased. Placing the press chamber 30 on the top can avoid the problem of inconvenience in taking things from the top due to the overall lifting of the box body 10.

[0063] Preferably, the rear wall and two side walls of the box 10 can be optionally provided with a plane mirror, a display screen or a memo board. The box 10 is rotated 90° or 180° to the left or right by the rotating device 20, so that the side wall on the left side, the side wall on the right side or the rear wall of the box 10 can be rotated to face the front, and the plane mirror, display screen or memo board provided on the side wall or the rear wall can be used.

[0064] It should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each implementation method can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0065] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the present invention. They are not intended to limit the scope of protection of the present invention. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. A rotatable refrigerator, characterized in that: It includes a box body and a rotating device arranged at the bottom of the box body, and the rotating device includes: A supporting structure comprising a horizontally arranged base and supporting feet arranged in the base; a first driving mechanism connected to the supporting leg and capable of driving the supporting leg to move away from one end of the first driving mechanism toward a side of the base away from the box body to support the box body; A turntable is provided on the base and is fixedly connected to the bottom of the box; The second driving mechanism is connected to the turntable and can drive the turntable to rotate relative to the base.

2. The rotatable refrigerator according to claim 1, characterized in that: The first driving mechanism includes a screw member rotatably connected to the base, the screw member includes a screw portion, and the screw portion is formed with a spiral groove; The base is provided with at least three first receiving holes and at least three second receiving holes, wherein the first receiving holes extend in a horizontal direction, and the second receiving holes extend in a vertical direction and are communicated with the first receiving holes; There are at least three supporting feet, and the supporting feet include a support rod and a base foot connected to each other, the support rod is arranged in the first accommodating hole, the base foot is arranged in the second accommodating hole, and one end of the support rod away from the base foot is arranged in the spiral groove, so that the support rod can move along the extension direction of the first accommodating hole when the spiral member rotates.

3. The rotatable refrigerator according to claim 2, characterized in that: The base is provided with a connecting shaft and a supporting surface, the base is connected to the base via the connecting shaft, the support rod is arranged on the supporting surface at one end away from the spiral member, and the supporting foot includes a first state in which the support rod is arranged on the supporting surface away from one end of the connecting shaft at one end away from the spiral member, and a second state in which the support rod is arranged on the supporting surface close to one end of the connecting shaft at one end away from the spiral member.

4. The rotatable refrigerator according to claim 3, characterized in that: The support rod includes a rod body and a support body vertically connected to one end of the rod body near the base, and in the horizontal direction, the length of the support body is greater than the width of the rod body; The base is provided with a stop block located above the support surface. The stop block and the support surface are spaced apart, and the distance between the stop block and the support surface matches the height of the support body.

5. The rotatable refrigerator according to claim 2, characterized in that: The spiral member further includes a first toothed portion, and the first driving mechanism further includes a first gear. The first toothed portion engages with the first gear and rotates under the drive of the first gear.

6. The rotatable refrigerator according to claim 5, characterized in that: The screw member further includes a threaded portion connected between the first toothed portion and the spiral portion, and the screw member is threadedly connected to the base via the threaded portion.

7. The rotatable refrigerator according to claim 1, characterized in that: The turntable is provided with a second toothed portion, the second driving mechanism includes a second gear, the second toothed portion is engaged with the second gear and rotates under the drive of the second gear.

8. The rotatable refrigerator according to claim 1, characterized in that: The refrigerator is further provided with a press chamber, which is arranged on the top of the box body. The box body rotates relative to the press chamber under the action of the rotating device.

9. The rotatable refrigerator according to claim 8, characterized in that: Hooks for fixing the press chamber to prevent it from rotating are provided on both sides of the press chamber.

10. The rotatable refrigerator according to any one of claims 1 to 9, characterized in that: The rear wall and two side walls of the box body may be optionally provided with a plane mirror, a display screen or a memorandum board.

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