Mirror unit

Abstract

The present disclosure provides a mirror unit having good aesthetics. A mirror unit is provided with: a back plate section; the first bonding part is bonded on the surface of the back plate part; the mirror unit includes a back plate portion, a first adhesive portion adhered to the back plate portion, and a mirror portion adhered to the back plate portion so as to face the back plate portion, the mirror unit being characterized in that the mirror unit includes a drop suppression portion provided between the back plate portion and the mirror portion and supporting the mirror portion when the mirror portion moves downward with respect to the back plate portion.

Description

Technical Field

[0001] The present invention generally relates to mirror units. Background Technology

[0002] A mirror unit consisting of a mirror portion fixed by a frame is known (Patent Document 1).

[0003] Existing technical documents

[0004] Patent documents

[0005] Patent Document 1: Japanese Patent Application Publication No. 2021-145722

[0006] For the mirror unit based on Patent Document 1, when the mirror is viewed from the front, part of the mirror will be covered by the frame, which may degrade the design. Summary of the Invention

[0007] This invention was made based on the understanding of the above-mentioned technical problems, and its purpose is to provide a mirror unit with good aesthetics.

[0008] The first invention is a mirror unit comprising: a back plate portion; a first adhesive portion adhered to the surface of the back plate portion; and a mirror portion adhered to the first adhesive portion facing the back plate portion. The mirror unit is characterized in that it has a drop-prevention portion disposed between the back plate portion and the mirror portion, which supports the mirror portion when the mirror portion moves downward relative to the back plate portion.

[0009] According to this mirror unit, the drop-prevention part provided between the back plate and the mirror can prevent the mirror from falling off the back plate. Therefore, in mirror units that do not have retaining parts such as frames for holding the back plate and the mirror on the outer periphery of the mirror, a mirror unit that can prevent the mirror from falling off and does not damage the appearance can be provided.

[0010] The second invention is a mirror unit, which, in the first invention, is characterized in that a portion of the drop-prevention portion is bonded to the mirror portion by a second adhesive portion.

[0011] According to this mirror unit, by using adhesive to fix the drop suppression part to the mirror part, there is no need for mechanical processing such as hole machining for assembling the drop suppression part to the mirror part, which can suppress the reduction of the design of the mirror unit.

[0012] The third invention is a mirror unit. In the second invention, the drop suppression part has: an engaging part provided on the back of the mirror part; and a locked part provided on the surface of the back plate part, which engages with the engaging part when the mirror part moves downward relative to the back plate part.

[0013] According to this mirror unit, even if the adhesive between the mirror part and the back plate part detaches, the mirror part can be prevented from moving downward and forward because the engaging part engages with the engaged part.

[0014] The fourth invention is a mirror unit, which, in the third invention, is characterized in that the surface of the back plate portion has: an inner side portion; and a frame portion that protrudes forward from the inner side portion and surrounds the periphery of the inner side portion, wherein when the mirror portion moves downward relative to the back plate portion, the engaging portion of the drop suppression portion engages with the engaging portion at a location more inward than the frame portion.

[0015] According to this mirror unit, the thickness of the engaging part and the engaged part can be absorbed at the inner side of the frame part, and the gap generated between the mirror part and the back plate part when the mirror unit is viewed from the side can be eliminated.

[0016] The fifth invention is a mirror unit. In the third invention, the engaging portion has: a first portion bonded to a second bonding portion; a second portion extending from the first portion toward the back plate portion; and a third portion extending downward from the second portion. In cross-sectional view, the lower end of the first portion is designated as point A1, the upper end as point B1, and the point located on the second portion or the third portion, above point A1 and closest to the back plate portion in size to point A1, is designated as C1, thus connecting point A1 and point B1. Let the dimension of the line segment be h1, the dimension of the line segment connecting point A1 and point C1 be L1, the angle between line segment A1B1 and line segment A1C1 be α1, the thickness of the second adhesive part be t1, the tolerance coefficient of the second adhesive part be K1, the dimension between the lens part and the back plate part be D1, and the dimension from the back of the lens part to the rear end of the engaging part be d1. When dimension L1 ≥ dimension d1, the following equations (1) and (2) are satisfied, and when dimension L1 < dimension d1, the following equation (3) is satisfied.

[0017] d1≤D1≤L1sin(α1+β1) (1)

[0018] β1=arcsin(K1×t1 / h1) (2)

[0019] D1 = d1 (3).

[0020] According to this mirror unit, by suppressing the movement of the engaging portion, the force acting in the horizontal direction is suppressed among the forces acting vertically and horizontally in the second adhesive portion. Therefore, the resultant force generated in the engaging portion is suppressed, thereby reducing the likelihood of the engaging portion disengaging.

[0021] The sixth invention is a mirror unit, which, in the third invention, is characterized in that the engaging portion has: a first portion, bonded to the back plate portion by a third adhesive portion; a second portion extending from the first portion toward the mirror portion; and a third portion extending upward from the second portion. In cross-sectional observation, the lower end of the first portion is designated as point A2, and the upper end of the first portion as point B2. The point located on the second portion or the third portion, above point A2, and having the largest size and closest to the mirror portion, is... Let C2 be the line segment connecting point A2 and point B2, h2 be the line segment connecting point A2 and point C2, L2 be the line segment connecting point A2 and point C2, α2 be the angle between line segment A2B2 and line segment A2C2, t2 be the thickness of the third adhesive part, K2 be the tolerance coefficient of the third adhesive part, D2 be the distance between the mirror part and the back plate part, and d2 be the distance from the back plate part to the front end of the engaged part. Then, the following equations (4) and (5) are satisfied.

[0022] d2≤D2≤L2sin(α2+β2) (4)

[0023] β2=arcsin(K2×t2 / h2) (5).

[0024] According to this mirror unit, by suppressing the movement of the engaging part, the force acting in the horizontal direction is suppressed among the forces acting in the vertical direction and the forces acting in the horizontal direction of the third adhesive part.

[0025] Therefore, by suppressing the resultant force generated in the locked part, the disengagement of the locked part can be reduced.

[0026] The seventh invention is a mirror unit, which, in the first invention, is characterized in that the drop suppression part is located above 50% of the length of the mirror part in the height direction.

[0027] According to this mirror unit, even if the mirror part is separated from the back plate part, the engagement part of the engaging part and the engaging part can be controlled on the upper side of the mirror part and the back plate part. Therefore, the displacement in the rotation direction when the mirror part is to rotate forward can be reduced, and the forward tilt of the mirror part can be effectively suppressed.

[0028] Invention Effects

[0029] According to the present invention, a mirror unit with good aesthetics is provided. Attached Figure Description

[0030] Figure 1 This is a front view of the cabinet equipped with the mirror unit of the first embodiment.

[0031] Figure 2It is a 3D diagram that represents the cabinet in its entirety.

[0032] Figure 3 It is Figure 2 The enlarged sectional perspective of part B in the figure.

[0033] Figure 4 Observing from the direction of arrow A-A Figure 1 A sectional view of the cabinet in the middle.

[0034] Figure 5 This is a cross-sectional view showing the mirror part separated from the back plate.

[0035] Figure 6 This is an explanatory diagram showing the dimensional relationships of the mirror part, the back plate part, the second adhesive part, and the engaging part.

[0036] Figure 7 This is an explanatory diagram showing the situation where the locking part separates from the mirror part.

[0037] Figure 8 This is an exploded perspective view of a cabinet equipped with the mirror unit of the second embodiment.

[0038] Figure 9 It is a cross-sectional view showing the fall suppression section in an enlarged form.

[0039] Figure 10 This is an exploded perspective view of a cabinet equipped with the mirror unit of the third embodiment.

[0040] Figure 11 It is a cross-sectional view showing the fall suppression section in an enlarged form.

[0041] Figure 12 This is a front view of the cabinet equipped with the mirror unit of the fourth embodiment.

[0042] Figure 13 Viewed from the direction of arrow C-C Figure 12 A sectional view of the cabinet in the middle.

[0043] Figure 14 This is a front view of the cabinet equipped with the mirror unit of the fifth embodiment.

[0044] Figure 15 Observing from the direction of arrow D-D Figure 14 A sectional view of the cabinet in the middle.

[0045] Figure 16 This is an exploded perspective view of a cabinet equipped with the mirror unit of the sixth embodiment.

[0046] Figure 17 It is a cross-sectional view showing the fall-prevention part and the lower end of the cabinet in an enlarged manner.

[0047] Figure 18 It is an explanatory diagram showing the dimensional relationships of the mirror part, the back plate part, the third adhesive part, and the engaging part.

[0048] Figure 19 This is an explanatory diagram showing the situation where the locking part is separated from the back plate.

[0049] Figure 20 This refers to the drop suppression part in the seventh embodiment. Figure 6 Same explanatory diagram.

[0050] Figure 21 This indicates the situation where the locking part detaches from the lens part. Figure 7 Same explanatory diagram.

[0051] Figure 22 This refers to the drop suppression part in the eighth embodiment. Figure 6 Same explanatory diagram.

[0052] Figure 23 This indicates the situation where the locking part detaches from the lens part. Figure 7 Same explanatory diagram.

[0053] Figure 24 This refers to the drop suppression part in the ninth embodiment. Figure 6 Same explanatory diagram.

[0054] Figure 25 This indicates the situation where the locking part detaches from the lens part. Figure 7 Same explanatory diagram.

[0055] Figure 26 This refers to the drop suppression part in the tenth embodiment. Figure 6 Same explanatory diagram.

[0056] Explanation of reference numerals in the attached figures:

[0057] 10: Cabinet body; 20: Shelf section; 21: Panel section; 23: Hinge; 30: Mirror unit; 40: Back panel section; 41: Surface; 41a: Inner side section; 41b: Frame section; 41b1: Upper part; 41b2: Lower part; 41b3: Left part; 41b4: Right part; 41c: First connecting part; 41d: Second connecting part; 41e: Third connecting part; 41f: Fourth connecting part; 42: Back side; 43: Hole section; 47: First adhesive part; 50: Mirror section; 50a: Surface; 50b: Back side; 52: Surface heater; 60: Drop suppression part 61: Engaging portion; 61a: First portion; 61b: Second portion; 61c: Third portion; 63: Second adhesive portion; 65: Engaged portion; 70: Drop-prevention portion; 71: Engaged portion; 71a: First portion; 71b: Second portion; 71c: Third portion; 73: Third adhesive portion; 80: Drop-prevention portion; 81: Engaging portion; 81a: First portion; 81b: Second portion; 81c: Third portion; 83: Engaged portion; 83a: First portion; 83b: Second portion; 90: Drop-prevention portion; 91: First assembly 93: Second assembly part; 95: Rope-like component; 100: Drop suppression part; 110: Main body part; 115: Other mirror parts; 120: Upper frame; 125: Lower frame; 130: Drop suppression part; 131: Engaging part; 131a: First part; 131b: Second part; 131c: Third part; 135: Engaged part; 135a: First part; 135b: Second part; 135c: Third part; 150: Drop suppression part; 151: Engaging part; 152: First part; 153: Second part; 153a 153a: Horizontal part; 153b: Curved part; 154: Third part; 160: Drop suppression part; 161: Engaging part; 162: First part; 163: Second part; 164: Third part; 170: Drop suppression part; 171: Engaging part; 172: First part; 173: Second part; 174: Third part; 180: Drop suppression part; 181: Engaging part; 182: First part; 183: Second part; 183a: Horizontal part; 183b: Curved part; 184: Third part; S1: Storage space; S2: Space. Detailed Implementation

[0058] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. It should be noted that in each drawing, the same reference numerals are used to denote the same constituent elements, and detailed descriptions are omitted where appropriate. Furthermore, in each drawing, the scale of each component is altered for ease of explanation. For example, the thickness t1 of the second adhesive portion 63 and the thickness t2 of the third adhesive portion 73, described later, are formed to be thinner than the thicknesses shown in the drawings.

[0059] Figures 1 to 7 This represents the first embodiment of the present invention.

[0060] Figure 1 This is a front view of the cabinet equipped with the mirror unit of the first embodiment.

[0061] Figure 2 It is a 3D diagram that represents the cabinet in its entirety.

[0062] Figure 3 It is Figure 2 The enlarged sectional perspective of part B in the figure.

[0063] Figure 4 Observing from the direction of arrow A-A Figure 1 A sectional view of the cabinet in the middle.

[0064] like Figure 1 , Figure 2 As shown, the cabinet 10 includes a shelf section 20 and a mirror unit 30. The cabinet 10 is installed, for example, in a dressing room, washroom, or other similar restroom space. It should be noted that the cabinet 10 can also be a kitchen cabinet installed in a kitchen. In this embodiment, the direction facing the user of the cabinet 10 is defined as "front," and the opposite side as "rear." Furthermore, "up," "down," "left," and "right" are defined as the directions observed from the user facing the cabinet 10.

[0065] The shelf section 20 is box-shaped with an opening at the front. The shelf section 20, for example, has an internal storage space S1 for storing items such as toiletries and hair dryers. The storage space S1 includes, for example, a shelf section 21 for storing items. Figure 2 , Figure 4 As shown, the shelf section 20 has a plurality of hinges 23. One end of each hinge 23 is fixed to the shelf section 20, and the other end is fixed to the back panel section 40, which will be described later. The mirror unit 30 can be opened and closed relative to the shelf section 20 via the hinges 23.

[0066] The mirror unit 30 constitutes the front surface portion of the cabinet 10. In this example, the cabinet 10 has one mirror unit 30. It should be noted that the number of mirror units 30 provided on the cabinet 10 is not limited to one, and may include two or more. The mirror unit 30 serves as a door that can be opened and closed relative to the shelf portion 20. In the closed state, the mirror unit 30 covers the front of the storage space S1 of the shelf portion 20, and in the open state, it opens the storage space S1. Furthermore, the mirror unit 30 includes a back panel portion 40, a mirror portion 50, and a drop-prevention portion 60.

[0067] The back panel 40 is fitted to the shelf section 20 via hinge 23. The back panel 40 is formed in a shape corresponding to the shelf section 20, covering the storage space S1 of the shelf section 20. Furthermore, the surface 41 of the back panel 40 has an inner portion 41a and a frame portion 41b, the frame portion 41b protruding forward from the inner portion 41a and surrounding the inner portion 41a. That is, the inner portion 41a is recessed rearward from the frame portion 41b. In other words, the surface 41 of the back panel 40 is stepped in the front-rear direction by means of the inner portion 41a and the frame portion 41b. A space S2 is formed between the inner portion 41a and the mirror section 50. It should be noted that the back surface 42 of the back panel 40 is a flat surface.

[0068] The frame portion 41b has an upper portion 41b1 located above the inner portion 41a, a lower portion 41b2 located below the inner portion 41a, a left portion 41b3 located to the left of the inner portion 41a, and a right portion 41b4 located to the right of the inner portion 41a. The upper portion 41b1 and the lower portion 41b2 extend in the left-right direction corresponding to the width dimension (left-right direction dimension) of the shelf portion 20. The left portion 41b3 and the right portion 41b4 extend in the vertical direction corresponding to the height dimension (vertical direction dimension) of the shelf portion 20.

[0069] Furthermore, the surface 41 of the back panel 40 has a first connecting portion 41c that connects the inner portion 41a to the upper portion 41b1, a second connecting portion 41d that connects the inner portion 41a to the lower portion 41b2, a third connecting portion 41e that connects the inner portion 41a to the left portion 41b3, and a fourth connecting portion 41f that connects the inner portion 41a to the right portion 41b4.

[0070] The third connecting part 41e and the fourth connecting part 41f are respectively provided with holes 43 that extend in the left and right directions. Figure 3 Only the hole 43 of the third connecting portion 41e is shown in the figure. This hole 43 is used to assemble the engaging portion 65, which will be described later. The hole 43 is provided on the upper end side of the third connecting portion 41e and the upper end side of the fourth connecting portion 41f (above the center of the height of the third connecting portion 41e and the fourth connecting portion 41f). For example, the hole 43 is provided above the surface heater 52, which will be described later.

[0071] The first adhesive portion 47 is adhered to the surface 41 of the back plate portion 40. Specifically, the first adhesive portion 47 is adhered to the left portion 41b3 and the right portion 41b4 of the frame portion 41b in a vertically extending manner. The first adhesive portion 47 adheres and fixes the mirror portion 50 to the back plate portion 40. The first adhesive portion 47 is, for example, a cushioning double-sided tape. Thus, the first adhesive portion 47 absorbs the external force applied to the mirror portion 50. It should be noted that the first adhesive portion 47 can also be an adhesive or the like. It should also be noted that the first adhesive portion 47 can be provided on the upper portion 41b1 and the lower portion 41b2 of the frame portion 41b.

[0072] It should be noted that a seal (not shown) may also be provided between the frame portion 41b and the mirror portion 50. This seal, for example, is located further outward than the first adhesive portion 47 and is provided throughout the entire circumference of the frame portion 41b. The seal prevents water, detergent, soap, and dirt from seeping between the backplate portion 40 and the mirror portion 50. This prevents water, detergent, soap, and dirt from adhering to the first adhesive portion 47 and reducing the adhesive strength of the first adhesive portion 47.

[0073] The mirror portion 50 is bonded to the first bonding portion 47 facing the back plate portion 40. The mirror portion 50 is, for example, formed as a thin plate with a shape substantially the same as that of the back plate portion 40. Figure 1 As shown, the mirror unit 30 is designed so that when the mirror portion 50 is viewed from the front, no other components besides the mirror portion 50 are visible. That is, the entire surface 50a of the mirror portion 50 of the mirror unit 30 is exposed. Thus, the entire surface 50a of the mirror unit 30 becomes a mirror, resulting in a simple design. The engaging portion 61 of the drop-prevention portion 60 (described later) is adhered to the back surface 50b of the mirror portion 50 via the second adhesive portion 63. Thanks to the drop-prevention portion 60, the mirror unit 30 does not have a frame or similar structure to prevent the mirror portion 50 from detaching from the back plate portion 40.

[0074] In situations where mirror units are installed around water-using appliances, such as in bathrooms, changing rooms, washrooms, kitchens, and toilets, water droplets and dirt can easily adhere to the mirror. In such cases, for framed mirror units, when wiping away water droplets and dirt, these substances can seep between the mirror and the frame, potentially affecting the aesthetics. Furthermore, the area between the mirror and the frame can easily become dirty, potentially compromising the cleanability of the mirror unit.

[0075] In contrast, the mirror unit 30 does not support the mirror portion 50 via a frame or the like. The surface 50a of the mirror portion 50 is entirely flat. Therefore, when water droplets or dirt adhere to the surface 50a of the mirror portion 50, the mirror unit 30 can easily wipe them away. As a result, the mirror unit 30 reduces the amount of water droplets and dirt remaining on the surface 50a of the mirror portion 50, thus achieving good aesthetics and maintaining cleanliness. Furthermore, since the surface 50a of the mirror portion 50 is flat, cleaning tools such as cloths will not get caught, allowing for easy cleaning.

[0076] like Figure 2 As shown, a surface heater 52 is provided on the back surface 50b of the mirror portion 50. The surface heater 52 is connected to a power source. The surface heater 52 suppresses fogging of the mirror portion 50 by heating it. The surface heater 52 is provided as needed, or it may not be provided.

[0077] A drop-prevention part 60 is provided between the back plate part 40 and the lens part 50. The drop-prevention part 60 supports the lens part 50 when the adhesive force of the first adhesive part 47 decreases and the lens part 50 moves downward relative to the back plate part 40. That is, the drop-prevention part 60 prevents the lens part 50 from falling off the back plate part 40.

[0078] like Figure 1 As shown, the drop suppression part 60 is positioned slightly above 50% of the length of the mirror part 50 in the height direction (vertical direction). Figure 1 In the diagram, a single-dot dashed line O-O indicates the center (50% position) of the mirror portion 50 in the height direction. Furthermore, the drop suppression portion 60 has an engaging portion 61 provided on the back surface 50b of the mirror portion 50 and a locked portion 65 provided on the surface 41 of the back plate portion 40.

[0079] The engaging portion 61 is attached to the back surface 50b of the lens portion 50 via the second adhesive portion 63. That is, a portion of the drop-prevention portion 60 (the engaging portion 61) is bonded to the lens portion 50 via the second adhesive portion 63. The second adhesive portion 63 is, for example, double-sided tape or adhesive. Therefore, it is unnecessary to, for example, open or machine holes in the lens portion 50 for mounting the engaging portion 61, thus allowing the lens portion 50 to be as thin as possible. As a result, the weight of the lens portion 50 can be reduced.

[0080] A locking portion 61 is provided at the center of the mirror portion 50 in the left-right direction. It should be noted that multiple locking portions 61 may also be provided on the back surface 50b of the mirror portion 50. Furthermore, the locking portion 61 is preferably provided on the upper end side of the mirror portion 50. As a result, the second adhesive portion 63 is moved away from the surface heater 52, thereby suppressing the reduction of adhesive force caused by the heating of the surface heater 52.

[0081] The engaging portion 61 has: a first portion 61a, which is bonded to a second adhesive portion 63; a second portion 61b, which extends from the first portion 61a toward the inner side portion 41a (rear) of the back plate portion 40; and a third portion 61c, which extends downward from the second portion 61b. The engaging portion 61 is formed into a hook shape with an opening at the bottom through the first portion 61a to the third portion 61c. In this example, the lower end of the third portion 61c is located below the lower end of the first portion 61a.

[0082] The engaging portion 61 is located within the space S2 between the inner portion 41a and the mirror portion 50. Therefore, the engaging portion 61 is located further inside than the frame portion 41b, and thus cannot be visually confirmed when viewing the mirror unit 30 from the side. As a result, the mirror unit 30 can have a simple design.

[0083] The engaging portion 65 is fitted to the back plate portion 40. Specifically, the engaging portion 65 is fitted to the hole portion 43 of the third connecting portion 41e and the hole portion 43 of the fourth connecting portion 41f. The engaging portion 65 is located in front of the inner side portion 41a and extends between the third connecting portion 41e and the fourth connecting portion 41f. That is, the engaging portion 65 is located within the space S2. The engaging portion 65 is, for example, a rod-shaped cylinder filled inside.

[0084] It should be noted that the engaging portion 65 can be, for example, a prism. Furthermore, the engaging portion 65 can also be a cylindrical body with an internal cavity. Moreover, the engaging portion 65 can also be a rope, wire, or the like stretched between the third connecting portion 41e and the fourth connecting portion 41f. The engaging portion 65 can be of any shape and material, as long as it can be engaged with the engaging portion 61. Furthermore, the engaging portion 65 is not limited to being assembled with the third connecting portion 41e and the fourth connecting portion 41f; it can be assembled at any position on the back plate portion 40, such as the first connecting portion 41c, as long as it can be engaged with the engaging portion 61.

[0085] like Figure 4 As shown, when the lens portion 50 is assembled to the back plate portion 40, the engaging portion 65 is located within the engaging portion 61. That is, the engaging portion 65 is located below the second portion 61b and in front of the third portion 61c of the engaging portion 61. In this case, the engaging portion 61 and the engaging portion 65 are in a non-contact state. Therefore, no force is exerted from the engaging portion 65 on the engaging portion 61, thus preventing the engaging portion 61 from peeling off from the lens portion 50.

[0086] Figure 5 This is a cross-sectional view showing the mirror part separated from the back plate.

[0087] The lens 50 can be peeled off from the back plate 40 in two ways: the lens 50 peels off from the first adhesive portion 47, and the first adhesive portion 47 peels off from the back plate 40. Figure 5 In the image, as indicated by the arrow, it shows the case where the mirror portion 50 is detached from the first adhesive portion 47.

[0088] When the mirror portion 50 moves downward relative to the back plate portion 40, the engaging portion 61 of the drop suppression portion 60 engages with the engaged portion 65 at a location closer to the inside of the frame portion 41b (space S2). That is, when the mirror portion 50 moves relative to the back plate portion 40, the engaging portion 61 of the drop suppression portion 60 moves together with the mirror portion 50 and comes into contact with the engaged portion 65. Thus, the engaging portion 61 is supported by the engaged portion 65, thereby restricting further movement of the mirror portion 50. Therefore, the mirror portion 50 of the mirror unit 30 is prevented from falling off the back plate portion 40.

[0089] A drop suppression section 60 is provided between the back plate section 40 and the mirror section 50. Therefore, the mirror unit 30 does not require a frame to support the mirror section 50, and the entire surface 50a of the mirror section 50 can be made mirrored. Furthermore, the drop suppression section 60 cannot be visually observed from the outside. Therefore, it is a mirror unit 30 with excellent design.

[0090] The engaging portion 61 is bonded to the back surface 50b of the mirror portion 50 via the second adhesive portion 63. Therefore, referring to... Figure 6 , Figure 7 The dimensional relationships for preventing the locking part 61 from peeling off from the mirror part 50 are explained.

[0091] Figure 6 This is an explanatory diagram showing the dimensional relationships of the mirror part, the back plate part, the second adhesive part, and the engaging part.

[0092] Figure 7 This is an explanatory diagram showing the situation where the locking part separates from the mirror part.

[0093] like Figure 6 As shown, in cross-sectional view, the lower end of the first part 61a of the engaging portion 61 is designated as point A1, and the upper end of the first part 61a is designated as point B1. The point located on the second part 61b or the third part 61c, above point A1 and closest to the back plate portion 40 in size to point A1, is designated as C1. It should be noted that "above point A1" includes positions in the same height direction as point A1.

[0094] Furthermore, the dimension of the line segment connecting point A1 and point B1 is set as h1. That is, dimension h1 is the height dimension of the first part 61a. Additionally, the dimension of the line segment connecting point A1 and point C1 is set as L1. The angle between line segments A1B1 and A1C1 is set as α1. The thickness dimension of the second adhesive part 63 is set as t1. Furthermore, the tolerance coefficient of the second adhesive part 63 is set as K1. The tolerance coefficient K1 is a coefficient that determines the extent of peeling protection. The tolerance coefficient K1 depends on the material and performance of the components of the second adhesive part 63, and is determined through calculations, experimental values, empirical values, etc. The tolerance coefficient K1 can be set to, for example, 1 or 2.

[0095] Furthermore, the dimension between the lens portion 50 and the back plate portion 40 is set as D1. That is, dimension D1 is the depth dimension (front-to-back direction dimension) of the space S2 between the back surface 50b and the inner side portion 41a of the lens portion 50. In addition, the depth dimension (front-to-back direction dimension) from the back surface 50b of the lens portion 50 to the rear end of the engaging portion 61 is set as dimension d1. That is, dimension d1 is the dimension obtained by adding the thickness dimension t1 of the second adhesive portion 63 to the front-to-back direction dimension of the engaging portion 61.

[0096] In this case, when size L1 ≥ size d1, the following equations (1) and (2) are satisfied, and when size L1 < size d1, the following equation (3) is satisfied.

[0097] d1≤D1≤L1sin(α1+β1) (1)

[0098] β1=arcsin(K1×t1 / h1) (2)

[0099] D1=d1 (3)

[0100] In this example, dimension L1 ≥ dimension d1. Therefore, each component has dimensions that satisfy equations (1) and (2). Thus, as Figure 7 As shown, when the engaging portion 61 begins to peel off from the mirror portion 50, the engaging portion 61 contacts the inner side portion 41a of the back plate portion 40, and movement is suppressed. When this state is achieved, the force acting in the horizontal direction is suppressed among the forces acting in the vertical direction and the forces acting in the horizontal direction of the second adhesive portion 63. Therefore, the resultant force generated in the engaging portion 61 is suppressed, thereby preventing the engaging portion 61 from disengaging. It should be noted that the case where the equation (3) satisfies the condition that dimension L1 < dimension d1 will be explained in the tenth embodiment described later.

[0101] Next, refer to Figure 8 , Figure 9 The second embodiment of the present invention will be described. In the second embodiment, the engaging portion and the engaged portion of the drop suppression portion are made of the same component.

[0102] Figure 8 This is an exploded perspective view of a cabinet equipped with the mirror unit of the second embodiment.

[0103] Figure 9 It is a cross-sectional view showing the fall suppression section in an enlarged form.

[0104] A drop suppression part 70 is provided between the back plate part 40 and the mirror part 50. The drop suppression part 70 has an engaging part 61 and a engaged part 71. The engaging part 61 and the engaged part 71 are identical components.

[0105] The engaging part 71 is fitted to the inner side 41a of the back plate part 40 at a position corresponding to the engaging part 61. The engaging part 71 is fitted to the inner side 41a via the third adhesive part 73 in a state where the engaging part 61 is flipped in the vertical direction. The third adhesive part 73 is, for example, double-sided tape, adhesive, etc. It should be noted that the engaging part 71 can also be fitted to the inner side 41a by screws or the like.

[0106] The engaging portion 71 has: a first portion 71a, which is adhered to the third adhesive portion 73; a second portion 71b, which extends from the first portion 71a toward the mirror portion 50 (front); and a third portion 71c, which extends upward from the second portion 71b. The engaging portion 71 is formed into a hook shape with an upward opening through the first portion 71a to the third portion 71c. In this example, the upper end of the third portion 71c is located above the upper end of the first portion 71a.

[0107] like Figure 9 As shown, when the lens 50 is assembled to the back plate 40, the third portion 71c of the engaging portion 71 is located within the engaging portion 61. That is, the third portion 71c of the engaging portion 71 is located below the second portion 61b and in front of the third portion 61c of the engaging portion 61. In this case, the engaging portion 61 and the engaging portion 71 are in a non-contact state. Therefore, no force is exerted from the engaging portion 71 on the engaging portion 61, thus preventing the engaging portion 61 from peeling off from the lens 50.

[0108] When the mirror portion 50 moves downward relative to the back plate portion 40, the engaging portion 61 engages with the engaged portion 71 at a location closer to the inside of the frame portion 41b (space S2). That is, as the mirror portion 50 moves relative to the back plate portion 40, the engaging portion 61 of the drop-prevention portion 70 moves together with the mirror portion 50 and comes into contact with the engaged portion 71. Thus, the engaging portion 61 is supported by the engaged portion 71, thereby restricting further movement of the mirror portion 50. Therefore, the mirror portion 50 is prevented from falling from the back plate portion 40.

[0109] Next, refer to Figure 10 , Figure 11 The third embodiment of the present invention will be described. In the third embodiment, two drop suppression parts are provided separately in the left-right direction.

[0110] Figure 10 This is an exploded perspective view of a cabinet equipped with the mirror unit of the third embodiment.

[0111] Figure 11 It is a cross-sectional view showing the fall suppression section in an enlarged form.

[0112] A drop suppression part 80 is provided between the back panel part 40 and the mirror part 50. The drop suppression part 80 is provided on the left 41b3 side and the right 41b4 side of the frame part 41b of the back panel part 40. Furthermore, the drop suppression part 80 has a locking part 81 that is fitted to the mirror part 50 and a locked part 83 that is fitted to the back panel part 40.

[0113] The engaging portion 81 has: a first portion 81a, which is bonded to the second adhesive portion 63; a second portion 81b, which extends from the first portion 81a toward the inner side portion 41a (rear) of the back plate portion 40; and a third portion 81c, which extends downward from the second portion 81b. The engaging portion 81 is formed into a hook shape with an opening at the bottom through the first portion 81a to the third portion 81c. In this example, the lower end of the third portion 81c is located above the lower end of the first portion 81a. It should be noted that the engaging portion 81 is preferably provided on the upper end side of the mirror portion 50. As a result, the second adhesive portion 63 is away from the surface heater 52, thus suppressing the reduction of adhesive force caused by the heating of the surface heater 52.

[0114] The engaging portion 83 is provided at positions corresponding to the engaging portion 81 on the third connecting portion 41e and the fourth connecting portion 41f of the back plate portion 40. The engaging portion 83 has a first portion 83a that is fitted to the third connecting portion 41e and the fourth connecting portion 41f, and a second portion 83b that extends from the first portion 83a in a left-right direction. That is, the engaging portion 83 is formed into an L-shape by the first portion 83a and the second portion 83b.

[0115] The second part 83b is located in the space S2 between the inner part 41a and the mirror part 50. The engaging part 83 is bonded to the third connecting part 41e and the fourth connecting part 41f, for example, by double-sided tape or adhesive. It should be noted that the engaging part 83 may also be assembled to the third connecting part 41e and the fourth connecting part 41f, for example, by screws or the like.

[0116] like Figure 11 As shown, when the lens portion 50 is assembled to the back plate portion 40, the second portion 83b of the engaging portion 83 is located within the engaging portion 81. That is, the second portion 83b of the engaging portion 83 is located below the second portion 81b of the engaging portion 81 and in front of the third portion 81c. In this case, the engaging portion 81 and the engaging portion 83 are in a non-contact state. Therefore, no force is exerted from the engaging portion 83 on the engaging portion 81, thus preventing the engaging portion 81 from peeling off from the lens portion 50.

[0117] When the mirror portion 50 moves downward relative to the back plate portion 40, the engaging portion 81 engages with the engaged portion 83 at a location closer to the inside of the frame portion 41b (space S2). That is, as the mirror portion 50 moves relative to the back plate portion 40, the engaging portion 81 of the drop-prevention portion 80 moves together with the mirror portion 50 and comes into contact with the engaged portion 83. Thus, the engaging portion 81 is supported by the engaged portion 83, thereby restricting further movement of the mirror portion 50. Therefore, the mirror portion 50 is prevented from falling from the back plate portion 40.

[0118] Next, refer to Figure 12 , Figure 13The fourth embodiment of the present invention will be described. In the fourth embodiment, two drop suppression portions are provided separately in the left-right direction.

[0119] Figure 12 This is a front view of the cabinet equipped with the mirror unit of the fourth embodiment.

[0120] Figure 13 Viewed from the direction of arrow C-C Figure 12 A sectional view of the cabinet in the middle.

[0121] A drop suppression part 90 is provided between the back panel part 40 and the mirror part 50. The drop suppression part 90 is respectively provided on the left 41b3 side and the right 41b4 side of the frame part 41b of the back panel part 40. It should be noted that, for example, there may be one drop suppression part 90 in the center in the left-right direction, or more than three may be provided separately in the left-right direction. Furthermore, the drop suppression part 90 has a first mounting part 91 that is mounted on the mirror part 50, a second mounting part 93 that is mounted on the back panel part 40, and a rope-like member 95 that connects the first mounting part 91 and the second mounting part 93.

[0122] The first assembly part 91 is assembled to the back surface 50b of the mirror part 50. For example... Figure 13 As shown, the first mounting portion 91 is formed in an L-shape and is bonded to the back surface 50b of the mirror portion 50 via the second adhesive portion 63. It should be noted that the first mounting portion 91 is preferably located on the upper end side of the mirror portion 50. Therefore, the second adhesive portion 63 is located away from the surface heater 52, thus suppressing the reduction in adhesive force caused by the heating of the surface heater 52.

[0123] The second assembly part 93 is assembled to the first connecting part 41c of the back plate part 40. For example... Figure 13 As shown, the second assembly part 93 is formed in an L-shaped cross-section and is bonded to the first connecting part 41c by the third adhesive part 73. It should be noted that the second assembly part 93 can also be assembled to the back plate part 40 by screws or the like.

[0124] One end of the rope-like member 95 is fixed to the first assembly part 91, and the other end is fixed to the second assembly part 93. The rope-like member 95 is formed, for example, of cloth, leather, chemical fibers, or thread. Figure 13 As shown, when the mirror portion 50 is assembled to the back plate portion 40, the cord-like member 95 is relaxed. Therefore, no force is exerted from the cord-like member 95 on the first mounting portion 91, thus preventing the first mounting portion 91 from peeling off from the mirror portion 50. It should be noted that the cord-like member 95 can also be directly assembled to the back plate portion 40 and the mirror portion 50 instead of the first mounting portion 91 and the second mounting portion 93.

[0125] When the mirror portion 50 moves downward relative to the back plate portion 40, the rope-like member 95 is tensioned at a point closer to the inside of the frame portion 41b (space S2). That is, when the mirror portion 50 moves relative to the back plate portion 40, the first mounting portion 91 of the drop-prevention portion 90 moves together with the mirror portion 50 and pulls the rope-like member 95. As a result, the mirror portion 50 is supported by the rope-like member 95, thus restricting further movement. Therefore, the mirror portion 50 is prevented from falling from the back plate portion 40.

[0126] Next, refer to Figure 14 , Figure 15 The fifth embodiment of the present invention will now be described. In the fifth embodiment, a cloth-like drop-suppressing portion is provided.

[0127] Figure 14 This is a front view of the cabinet equipped with the mirror unit of the fifth embodiment.

[0128] Figure 15 Observing from the direction of arrow D-D Figure 14 A sectional view of the cabinet in the middle.

[0129] A drop suppression part 100 is provided between the back panel part 40 and the mirror part 50. The drop suppression part 100 is, for example, a fabric-like member made of cloth, leather, chemical fibers, etc., with one end fixed to the back panel part 40 and the other end fixed to the mirror part 50. One drop suppression part 100 is provided at the center in the left-right direction. It should be noted that two or more drop suppression parts 100 may also be provided separately in the left-right direction.

[0130] The drop suppression part 100 is bonded to the back surface 50b of the mirror portion 50 via the second adhesive part 63. The other end of the drop suppression part 100 is preferably located on the upper end side of the mirror portion 50. This keeps the second adhesive part 63 away from the surface heater 52, thus suppressing the reduction in adhesive force caused by the heating of the surface heater 52. Alternatively, the drop suppression part 100 may be bonded to the first connecting part 41c of the back plate portion 40 via, for example, the third adhesive part 73. It should be noted that the drop suppression part 100 is not limited to the first connecting part 41c; it may also be bonded to the inner part 41a, the frame portion 41b, etc. Furthermore, the drop suppression part 100 may also be fixed to the back plate portion 40 via, for example, screws.

[0131] like Figure 15 As shown, when the lens portion 50 is assembled to the back plate portion 40, the drop suppression portion 100 loosens. As a result, the force exerted by the drop suppression portion 100 on the second adhesive portion 63 is reduced, thus suppressing the peeling of the drop suppression portion 100 from the lens portion 50.

[0132] As the mirror portion 50 moves downward relative to the back plate portion 40, the drop suppression portion 100 is tensioned at a point closer to the inside of the frame portion 41b (space S2). Thus, the mirror portion 50 is supported by the drop suppression portion 100, thereby restricting further movement. Therefore, the mirror portion 50 is prevented from falling from the back plate portion 40.

[0133] Next, refer to Figures 16-19 The sixth embodiment of the present invention will be described. In the sixth embodiment, a mirror portion is also provided on the back side of the mirror portion 50.

[0134] Figure 16 This is an exploded perspective view of a cabinet equipped with the mirror unit of the sixth embodiment.

[0135] Figure 17 It is a cross-sectional view showing the fall-prevention part and the lower end of the cabinet in an enlarged manner.

[0136] Figure 18 It is an explanatory diagram showing the dimensional relationships of the mirror part, the back plate part, the third adhesive part, and the engaging part.

[0137] Figure 19 This is an explanatory diagram showing the situation where the locking part is separated from the back plate.

[0138] In the mirror unit 30, in addition to the mirror portion 50, a portion of the back plate portion 40 also serves as a mirror portion. The surface of the back plate portion 40 opposite to the inner side portion 41a becomes a mirror surface. That is, in the mirror unit 30, both the exposed surface and the back surface become mirror surfaces. The user can use the mirror in both the closed and open states of the mirror unit 30.

[0139] The back panel portion 40 includes: a main body portion 110, having a frame portion 41b and first connecting portions 41c to fourth connecting portions 41f on its surface 41; and other mirror portions 115, having an inner side portion 41a on its surface 41. For example... Figure 17 As shown, an upper frame 120 and a lower frame 125 are provided at the upper and lower ends of the main body 110, respectively. The upper frame 120 and the lower frame 125 are fixed to the main body 110, for example, with screws.

[0140] The upper frame 120 and the lower frame 125 are formed in an L-shape to restrict the movement of the other lens parts 115. The upper frame 120 presses down on the other lens parts 115 from above. The lower frame 125 supports the other lens parts 115 from below.

[0141] The upper frame 120 and the lower frame 125 are located on the back side of the mirror portion 50. That is, the upper end of the mirror portion 50 is located above the upper frame 120. Furthermore, the lower end of the mirror portion 50 is located below the lower frame 125. Therefore, when viewing the mirror portion 50 from the front, the upper frame 120 and the lower frame 125 cannot be visually confirmed.

[0142] A drop suppression part 130 is provided between the back plate part 40 and the mirror part 50. The drop suppression part 130 has an engaging part 131 and a locked part 135.

[0143] The engaging portion 131 includes: a first portion 131a, which is bonded to the back surface 50b of the mirror portion 50 via a second adhesive portion 63; a second portion 131b, which is separated from the first portion 131a in a left-right direction and is bonded to the back surface 50b of the mirror portion 50 via the second adhesive portion 63; and a third portion 131c, which connects the first portion 131a and the second portion 131b. A gap is formed between the third portion 131c and the mirror portion 50. The engaging portion 131 is formed in a U-shape by the first portion 131a to the third portion 131c. It should be noted that the engaging portion 131 is preferably located on the upper end side of the mirror portion 50. As a result, the second adhesive portion 63 is away from the surface heater 52, thus suppressing the reduction of adhesive force caused by the heating of the surface heater 52.

[0144] The engaging portion 135 has the same shape as the engaging portion 71 in the second embodiment. Like the engaging portion 71, the engaging portion 135 has a first portion 135a, a second portion 135b, and a third portion 135c. The first portion 135a of the engaging portion 135 is bonded to the inner side portion 41a of the back plate portion 40 via a third adhesive portion 73. Therefore, for example, it is unnecessary to open or machine holes for assembling the engaging portion 135 to other lens portions 115, thus allowing the other lens portions 115 to be as thin as possible. As a result, the weight of the other lens portions 115 can be reduced. The engaging portion 135 is provided at the center of the other lens portions 115 in the left-right direction. It should be noted that multiple engaging portions 135 may also be provided between the first portion 131a and the second portion 131b of the engaging portion 131. Furthermore, multiple engaging portions 131 and engaging portions 135 may also be provided.

[0145] like Figure 17 As shown, when the lens 50 is assembled to the back plate 40, the third portion 131c of the engaging portion 131 is located within the engaged portion 135. That is, the third portion 131c of the engaging portion 131 is located above the second portion 135b of the engaged portion 135 and behind the third portion 135c. In this case, the engaging portion 131 and the engaged portion 135 are in a non-contact state. Therefore, the engaging portion 131 and the engaged portion 135 do not exert force on each other, thus preventing the engaging portion 131 from peeling off from the lens 50 and preventing the engaged portion 135 from peeling off from other lens portions 115.

[0146] When the mirror portion 50 moves downward relative to the back plate portion 40, the engaging portion 131 engages with the engaged portion 135 at a location closer to the inside of the frame portion 41b (space S2). That is, as the mirror portion 50 moves relative to the back plate portion 40, the engaging portion 131 of the drop-prevention portion 130 moves together with the mirror portion 50 and comes into contact with the engaged portion 135. Thus, the engaging portion 131 is supported by the engaged portion 135, thereby restricting further movement of the mirror portion 50. Therefore, the mirror portion 50 is prevented from falling from the back plate portion 40.

[0147] The engaging portion 135 is bonded to the inner portion 41a by the third adhesive portion 73. Therefore, referring to... Figure 18 , Figure 19 The dimensional relationships for preventing the engaged portion 135 from peeling off from the inner portion 41a are explained.

[0148] like Figure 18 As shown, during cross-sectional observation, the lower end of the first portion 135a of the engaging part 135 is designated as point A2, and the upper end of the first portion 135a is designated as point B2. The point located on the second portion 135b or the third portion 135c, above point A2 and closest to the mirror part 50 in size to point A2, is designated as C2. It should be noted that "above point A2" includes positions in the same height direction as point A2.

[0149] Furthermore, the dimension of the line segment connecting point A2 and point B2 is set as h2. That is, dimension h2 is the height dimension of the first part 135a. Additionally, the dimension of the line segment connecting point A2 and point C2 is set as L2. The angle between line segments A2B2 and A2C2 is set as α2. The thickness dimension of the third adhesive part 73 is set as t2. Furthermore, the tolerance factor of the third adhesive part 73 is set as K2. The tolerance factor K2 is a coefficient that determines the extent of peeling protection. The tolerance factor K2 depends on the material and performance of the component of the third adhesive part 73, and is determined through calculations, experimental values, empirical values, etc. The tolerance factor K2 can be set to, for example, 1 or 2.

[0150] Furthermore, the dimension between the lens portion 50 and the back plate portion 40 is set as D2. That is, dimension D2 is the depth dimension (front-to-back direction dimension) of the space S2 between the back surface 50b and the inner side portion 41a of the lens portion 50. In addition, the depth dimension (front-to-back direction dimension) from the inner side portion 41a of the back plate portion 40 to the front end of the engaging portion 135 is set as dimension d2. That is, dimension d2 is the dimension obtained by adding the thickness dimension t2 of the third adhesive portion 73 to the front-to-back direction dimension of the engaging portion 135.

[0151] Under such circumstances, the following numerical expressions (4) and (5) are satisfied.

[0152] d2≤D2≤L2sin(α2+β2) (4)

[0153] β2=arcsin(K2×t2 / h2) (5)

[0154] Therefore, as Figure 19 As shown, when the engaging portion 135 begins to peel off from the back plate portion 40, the engaging portion 135 contacts the back surface 50b of the mirror portion 50, and movement is suppressed. When this state is achieved, the force acting in the horizontal direction is suppressed among the vertical force and the horizontal force acting in the third adhesive portion 73. Therefore, the resultant force generated in the engaging portion 135 is suppressed, thereby preventing the engaging portion 135 from detaching.

[0155] Next, refer to Figure 20 , Figure 21 A seventh embodiment of the present invention will be described. In the seventh embodiment, a curved portion is provided at the second part of the engaging portion.

[0156] Figure 20 This refers to the drop suppression part in the seventh embodiment. Figure 6 Same explanatory diagram.

[0157] Figure 21 This indicates the situation where the locking part detaches from the lens part. Figure 7 Same explanatory diagram.

[0158] A drop suppression part 150 is provided between the back plate part 40 and the mirror part 50. The drop suppression part 150 has an engaging part 151 and a locked part 65. It should be noted that the locked part 65 can engage with the engaging part 151 as long as the mirror part 50 moves relative to the back plate part 40, and can be of any shape or configuration.

[0159] The engaging portion 151 is provided instead of the engaging portion 61 in the first embodiment. The engaging portion 151 has: a first portion 152, which is bonded to a second bonding portion 63; a second portion 153, which extends from the first portion 152 toward the back plate portion 40; and a third portion 154, which extends downward from the second portion 153.

[0160] The second portion 153 has: a horizontal portion 153a extending horizontally from the first portion 152 toward the back plate portion 40; and a curved portion 153b connecting the horizontal portion 153a to the third portion 154. The curved portion 153b is formed in a curved shape protruding outward.

[0161] like Figure 20As shown, when the lens portion 50 is assembled to the back plate portion 40, the engaging portion 65 is located within the engaging portion 151. That is, the engaging portion 65 is located below the second portion 153 and in front of the third portion 154 of the engaging portion 151. In this case, the engaging portion 151 and the engaging portion 65 are in a non-contact state. Therefore, no force is exerted from the engaging portion 65 on the engaging portion 151, thus preventing the engaging portion 151 from peeling off from the lens portion 50.

[0162] When the mirror portion 50 moves downward relative to the back plate portion 40, the engaging portion 151 engages with the engaged portion 65 at a location closer to the inside of the frame portion 41b (space S2). That is, as the mirror portion 50 moves relative to the back plate portion 40, the engaging portion 151 of the drop-prevention portion 150 moves together with the mirror portion 50 and comes into contact with the engaged portion 65. Thus, the engaging portion 151 is supported by the engaged portion 65, thereby restricting further movement of the mirror portion 50. Therefore, the mirror portion 50 is prevented from falling from the back plate portion 40.

[0163] like Figure 20 As shown, in the engaging portion 151, on the second portion 153 or the third portion 154, point C1, which is located above point A1 and has the largest size and is closest to the back plate portion 40, is located on the curved portion 153b. In this case, the engaging portion 151 has a size L1 ≥ size d1. Therefore, each component is set to satisfy the above formulas (1) and (2).

[0164] Therefore, as Figure 21 As shown, when the engaging portion 151 begins to peel off from the mirror portion 50, the engaging portion 151 contacts the inner side portion 41a of the back plate portion 40, and movement is suppressed. When this state is achieved, the force acting in the horizontal direction is suppressed among the forces acting in the vertical direction and the forces acting in the horizontal direction of the second adhesive portion 63. Therefore, the resultant force generated in the engaging portion 151 is suppressed, thereby preventing the engaging portion 151 from detaching.

[0165] Next, refer to Figure 22 , Figure 23 The eighth embodiment of the present invention will be described. In the eighth embodiment, the second portion of the engaging portion is formed in a curved shape.

[0166] Figure 22 This refers to the drop suppression part in the eighth embodiment. Figure 6 Same explanatory diagram.

[0167] Figure 23 This indicates the situation where the locking part detaches from the lens part. Figure 7 Same explanatory diagram.

[0168] A drop suppression part 160 is provided between the back plate part 40 and the mirror part 50. The drop suppression part 160 has an engaging part 161 and a locked part 65. It should be noted that the locked part 65 can engage with the engaging part 161 as long as the mirror part 50 moves relative to the back plate part 40, and can be of any shape or configuration.

[0169] A locking portion 161 is provided instead of the locking portion 61 in the first embodiment. The locking portion 161 has: a first portion 162, which is adhered to a second adhesive portion 63; a second portion 163, which extends from the first portion 162 toward the back plate portion 40; and a third portion 164, which extends downward from the second portion 163. Figure 22 As shown, the second part 163 is formed into a curved shape that protrudes upwards.

[0170] like Figure 22 As shown, when the lens portion 50 is assembled to the back plate portion 40, the engaging portion 65 is located within the engaging portion 161. That is, the engaging portion 65 is located below the second portion 163 and in front of the third portion 164 of the engaging portion 161. In this case, the engaging portion 161 and the engaging portion 65 are in a non-contact state. Therefore, no force is exerted from the engaging portion 65 on the engaging portion 161, thus preventing the engaging portion 161 from peeling off from the lens portion 50.

[0171] When the lens portion 50 moves downward relative to the back plate portion 40, the engaging portion 161 engages with the engaged portion 65 at a location closer to the inside of the frame portion 41b (space S2). That is, as the lens portion 50 moves relative to the back plate portion 40, the engaging portion 161 of the drop-prevention portion 160 moves together with the lens portion 50 and comes into contact with the engaged portion 65. Thus, the engaging portion 161 is supported by the engaged portion 65, thereby restricting further movement of the lens portion 50. Therefore, the lens portion 50 is prevented from falling from the back plate portion 40.

[0172] like Figure 22 As shown, in the engaging portion 161, on the second portion 163 or the third portion 164, point C1, which is located above point A1 and has the largest size and is closest to the back plate portion 40, is located on the second portion 163. In this case, the engaging portion 161 has a size L1 ≥ size d1. Therefore, each component is set to satisfy the above formulas (1) and (2).

[0173] Therefore, as Figure 23 As shown, when the engaging portion 161 begins to peel off from the mirror portion 50, the engaging portion 161 contacts the inner side portion 41a of the back plate portion 40, and movement is suppressed. When this state is achieved, the force acting in the horizontal direction is suppressed among the forces acting vertically and horizontally on the second adhesive portion 63. Therefore, the combined force generated in the engaging portion 161 can be suppressed, thereby preventing the engaging portion 161 from detaching.

[0174] Next, refer to Figure 24 , Figure 25 A ninth embodiment of the present invention will be described. In the ninth embodiment, the engaging portion is formed in the shape of a crank.

[0175] Figure 24 This refers to the drop suppression part in the ninth embodiment. Figure 6 Same explanatory diagram.

[0176] Figure 25 This indicates the situation where the locking part detaches from the lens part. Figure 7 Same explanatory diagram.

[0177] A drop suppression part 170 is provided between the back plate part 40 and the mirror part 50. The drop suppression part 170 has an engaging part 171 and a locked part 65. It should be noted that the locked part 65 can engage with the engaging part 171 as long as the mirror part 50 moves relative to the back plate part 40, and can be of any shape or configuration.

[0178] A locking portion 171 is provided instead of the locking portion 61 in the first embodiment. The locking portion 171 has: a first portion 172, which is adhered to a second adhesive portion 63; a second portion 173, which extends from the first portion 172 toward the back plate portion 40; and a third portion 174, which extends downward from the second portion 173. Figure 24 As shown, the second portion 173 extends horizontally from the lower end of the first portion 172 toward the back plate portion 40. Thus, the engaging portion 171 is formed in a crank shape through the first portion 172 to the third portion 174.

[0179] like Figure 24 As shown, when the lens portion 50 is assembled to the back plate portion 40, the engaging portion 65 is located within the engaging portion 171. That is, the engaging portion 65 is located below the second portion 173 and in front of the third portion 174 of the engaging portion 171. In this case, the engaging portion 171 and the engaging portion 65 are in a non-contact state. Therefore, no force is exerted from the engaging portion 65 on the engaging portion 171, thus preventing the engaging portion 171 from peeling off from the lens portion 50.

[0180] When the lens portion 50 moves downward relative to the back plate portion 40, the engaging portion 171 engages with the engaged portion 65 at a location closer to the inside of the frame portion 41b (space S2). That is, as the lens portion 50 moves relative to the back plate portion 40, the engaging portion 171 of the drop-prevention portion 170 moves together with the lens portion 50 and comes into contact with the engaged portion 65. Thus, the engaging portion 171 is supported by the engaged portion 65, thereby restricting further movement of the lens portion 50. Therefore, the lens portion 50 is prevented from falling from the back plate portion 40.

[0181] like Figure 24As shown, in the engaging portion 171, on the second portion 173 or the third portion 174, point C1, which is located above point A1 and has the largest size and is closest to the back plate portion 40, is located on the second portion 173. In this case, the engaging portion 171 has a size L1 ≥ size d1. Therefore, each component is set to satisfy the above formulas (1) and (2).

[0182] Therefore, as Figure 25 As shown, when the engaging portion 171 begins to peel off from the mirror portion 50, the engaging portion 171 contacts the inner side portion 41a of the back plate portion 40, and movement is suppressed. When this state is achieved, the force acting in the horizontal direction is suppressed among the forces acting in the vertical direction and the forces acting in the horizontal direction of the second adhesive portion 63. Therefore, the resultant force generated in the engaging portion 171 is suppressed, thereby preventing the engaging portion 171 from detaching.

[0183] Next, refer to Figure 26 The tenth embodiment of the present invention will be described. In the tenth embodiment, the second portion 173 of the engaging portion 171 in the ninth embodiment has a bent portion.

[0184] Figure 26 This refers to the drop suppression part in the tenth embodiment. Figure 6 Same explanatory diagram.

[0185] A drop suppression part 180 is provided between the back plate part 40 and the mirror part 50. The drop suppression part 180 has an engaging part 181 and a locked part 65. It should be noted that the locked part 65 can engage with the engaging part 181 as long as the mirror part 50 moves relative to the back plate part 40, and can be of any shape or configuration.

[0186] A locking portion 181 is provided instead of the locking portion 61 in the first embodiment. The locking portion 181 has: a first portion 182, which is adhered to a second adhesive portion 63; a second portion 183, which extends from the first portion 182 toward the back plate portion 40; and a third portion 184, which extends downward from the second portion 183. Figure 26 As shown, the second portion 183 has: a horizontal portion 183a extending horizontally from the lower end of the first portion 182 toward the back plate portion 40; and a curved portion 183b connecting the horizontal portion 183a to the third portion 184. The curved portion 183b is formed in a curved shape protruding outward. Thus, the engaging portion 181 is formed in a crank shape through the first portion 182 to the third portion 184.

[0187] like Figure 26As shown, when the lens portion 50 is assembled to the back plate portion 40, the engaging portion 65 is located within the engaging portion 181. That is, the engaging portion 65 is located below the second portion 183 and in front of the third portion 184 of the engaging portion 181. In this case, the engaging portion 181 and the engaging portion 65 are in a non-contact state. Therefore, no force is exerted from the engaging portion 65 on the engaging portion 181, thus preventing the engaging portion 181 from peeling off from the lens portion 50.

[0188] When the lens portion 50 moves downward relative to the back plate portion 40, the engaging portion 181 engages with the engaged portion 65 at a location closer to the inside of the frame portion 41b (space S2). That is, as the lens portion 50 moves relative to the back plate portion 40, the engaging portion 181 of the drop-prevention portion 180 moves together with the lens portion 50 and comes into contact with the engaged portion 65. Thus, the engaging portion 181 is supported by the engaged portion 65, and further movement of the lens portion 50 is restricted. Therefore, the lens portion 50 is prevented from falling from the back plate portion 40.

[0189] like Figure 26 As shown, in the engaging portion 181, on the second portion 183 or the third portion 184, point C1, which is above point A1 and has the largest size and is closest to the back plate portion 40, is located on the curved portion 183b. In this case, the engaging portion 181 becomes dimension L1 < dimension d1. Therefore, each component is set to satisfy the above formula (3).

[0190] like Figure 26 As shown, when dimension L1 < dimension d1, the dimension D1 between the lens portion 50 and the back plate portion 40 is the same as the dimension d1, which is the depth dimension (front-to-back direction dimension) from the back surface 50b of the lens portion 50 to the rear end of the engaging portion 181 (D1 = d1). That is, the third portion 184 of the engaging portion 181 contacts the inner side portion 41a of the back plate portion 40. In other words, the engaging portion 181 is sandwiched between the back plate portion 40 and the lens portion 50. It should be noted that the force acting from the back plate portion 40 on the third portion 184 of the engaging portion 181 is minimized as much as possible. That is, the back plate portion 40 is in a state where it does not actively press the engaging portion 181.

[0191] By bringing the third portion 184 into contact with the inner side portion 41a of the back plate portion 40, static friction is generated between the third portion 184 and the inner side portion 41a. This static friction reduces the force that causes the engaging portion 181 to move downward. Therefore, it is possible to prevent the engaging portion 181 from peeling off from the mirror portion 50.

[0192] It should be noted that in the above embodiment, the case where the mirror unit 30 constitutes the front surface of the shelf portion 20 is described as an example. However, the present invention is not limited to this; for example, the mirror unit 30 may also be directly mounted on the wall of a room.

[0193] The implementation method may also include the following configuration.

[0194] (Component 1)

[0195] A mirror unit, comprising:

[0196] Back panel;

[0197] The first adhesive portion is adhered to the surface of the back plate portion; and

[0198] The mirror portion is bonded to the first bonding portion, facing the back plate portion.

[0199] The mirror unit is characterized in that...

[0200] It has a drop suppression part, which is disposed between the back plate part and the lens part, and supports the lens part when the lens part moves downward relative to the back plate part.

[0201] (Component 2)

[0202] According to the mirror unit described in configuration 1, it is characterized in that,

[0203] A portion of the drop-inhibiting part is bonded to the mirror part via a second adhesive part.

[0204] (Component 3)

[0205] According to the mirror unit comprising 1 or 2, characterized in that,

[0206] The drop suppression part has:

[0207] A locking portion is provided on the back of the mirror portion; and

[0208] The engaging portion is provided on the surface of the back plate portion, and engages with the engaging portion when the mirror portion moves downward relative to the back plate portion.

[0209] (Component 4)

[0210] According to the mirror unit described in configuration 3, it is characterized in that...

[0211] The surface of the back plate portion has:

[0212] The inner side; and

[0213] The frame portion protrudes forward from the inner portion and surrounds the periphery of the inner portion.

[0214] When the mirror portion moves downward relative to the back plate portion, the engaging portion of the drop suppression portion engages with the engaged portion at a location more inward than the frame portion.

[0215] (Component 5)

[0216] According to the mirror unit described in configuration 3 or 4, it is characterized in that,

[0217] The engaging portion has:

[0218] The first part is bonded to the second bonding part;

[0219] The second portion extends from the first portion toward the back plate portion; and

[0220] The third part extends downwards from the second part.

[0221] During anatomical observation

[0222] Let the lower end of the first part be designated as point A1.

[0223] Let the upper end of the first part be point B1.

[0224] Let C1 be the point located on the second or third part, above point A1, with the largest size and closest to the back plate portion.

[0225] Let the dimension of the line segment connecting point A1 and point B1 be h1.

[0226] Let the dimension of the line segment connecting point A1 and point C1 be L1.

[0227] Let α1 be the angle between line segment A1B1 and line segment A1C1.

[0228] Let the thickness of the second adhesive part be t1.

[0229] Set the tolerance factor of the second adhesive part to K1.

[0230] Let the dimension between the mirror portion and the back plate portion be D1.

[0231] If the dimension from the back of the mirror to the rear end of the engaging part is set to d1, then...

[0232] When dimension L1 ≥ dimension d1, the following equations (1) and (2) are satisfied.

[0233] When dimension L1 < dimension d1, the following equation (3) is satisfied.

[0234] d1≤D1≤L1sin(α1+β1) (1)

[0235] β1=arcsin(K1×t1 / h1) (2)

[0236] D1 = d1 (3).

[0237] (Composition 6)

[0238] The mirror unit according to any one of configurations 3 to 5 is characterized in that...

[0239] The engaging portion has:

[0240] The first part is bonded to the back plate part by the third adhesive part;

[0241] A second portion extends from the first portion toward the mirror portion; and

[0242] The third part extends upwards from the second part.

[0243] During anatomical observation

[0244] Let the lower end of the first part be designated as point A2.

[0245] Let the upper end of the first part be point B2.

[0246] Let C2 be the point located on the second or third part, above point A2, that has the largest size and is closest to the mirror part of point A2.

[0247] Let the dimension of the line segment connecting point A2 and point B2 be h2.

[0248] Let the dimension of the line segment connecting point A2 and point C2 be L2.

[0249] Let the angle between line segment A2B2 and line segment A2C2 be α2.

[0250] The thickness of the third adhesive portion is set as t2.

[0251] The tolerance factor for the third adhesive portion is set to K2.

[0252] The dimension between the mirror portion and the back plate portion is set as D2.

[0253] If the dimension from the back plate portion to the front end of the engaging portion is set to d2, then...

[0254] The following expressions (4) and (5) are satisfied.

[0255] d2≤D2≤L2sin(α2+β2) (4)

[0256] β2=arcsin(K2×t2 / h2) (5).

[0257] (Component 7)

[0258] According to the mirror unit comprising any one of 1 to 6, the characteristic is that...

[0259] The drop suppression part is located at a position above 50% of the length of the mirror part in the height direction.

[0260] The embodiments of the present invention have been described above. However, the present invention is not limited to these descriptions. Regarding the above embodiments, any appropriate design modifications made by those skilled in the art that possess the features of the present invention are also included within the scope of the present invention. For example, the shape, size, material, and arrangement of the elements of the mirror unit are not limited to those illustrated and can be appropriately modified. Furthermore, the elements of the above embodiments can be combined within a technically feasible range, and any combination thereof that includes the features of the present invention is also included within the scope of the present invention.

Claims

1. A mirror unit, comprising: Back panel; The first adhesive portion is adhered to the surface of the back plate portion; and The mirror portion is bonded to the first bonding portion, facing the back plate portion. The mirror unit is characterized in that... It has a drop suppression part, which is disposed between the back plate part and the lens part, and supports the lens part when the lens part moves downward relative to the back plate part.

2. The mirror unit according to claim 1, characterized in that, A portion of the drop-inhibiting part is bonded to the mirror part via a second adhesive part.

3. The mirror unit according to claim 2, characterized in that, The drop suppression part has: A locking portion is provided on the back of the mirror portion; and The engaging portion is provided on the surface of the back plate portion, and engages with the engaging portion when the mirror portion moves downward relative to the back plate portion.

4. The mirror unit according to claim 3, characterized in that, The surface of the back plate portion has: The inner side; and The frame portion protrudes forward from the inner portion and surrounds the periphery of the inner portion. When the mirror portion moves downward relative to the back plate portion, the engaging portion of the drop suppression portion engages with the engaged portion at a location more inward than the frame portion.

5. The mirror unit according to claim 3, characterized in that, The engaging portion has: The first part is bonded to the second bonding part; The second portion extends from the first portion toward the back plate portion; and The third part extends downwards from the second part. During anatomical observation Let the lower end of the first part be designated as point A1. Let the upper end of the first part be point B1. Let C1 be the point located on the second or third part, above point A1, with the largest size and closest to the back plate portion. Let the dimension of the line segment connecting point A1 and point B1 be h1. Let the dimension of the line segment connecting point A1 and point C1 be L1. Let α1 be the angle between line segment A1B1 and line segment A1C1. Let the thickness of the second adhesive part be t1. Set the tolerance factor of the second adhesive part to K1. Let the dimension between the mirror portion and the back plate portion be D1. If the dimension from the back of the mirror to the rear end of the engaging part is set to d1, then... When dimension L1 ≥ dimension d1, the following equations (1) and (2) are satisfied. When dimension L1 < dimension d1, the following equation (3) is satisfied. d1≤D1≤L1sin(α1+β1) (1) β1=arcsin(K1×t1 / h1) (2) D1 = d1 (3).

6. The mirror unit according to claim 3, characterized in that, The engaging portion has: The first part is bonded to the back plate part by the third adhesive part; A second portion extends from the first portion toward the mirror portion; and The third part extends upwards from the second part. During anatomical observation Let the lower end of the first part be designated as point A2. Let the upper end of the first part be point B2. Let C2 be the point located on the second or third part, above point A2, with the largest size and closest to the mirror part. Let the dimension of the line segment connecting point A2 and point B2 be h2. Let the dimension of the line segment connecting point A2 and point C2 be L2. Let the angle between line segment A2B2 and line segment A2C2 be α2. The thickness of the third adhesive portion is set as t2. The tolerance factor for the third adhesive portion is set to K2. The dimension between the mirror portion and the back plate portion is set as D2. If the dimension from the back plate portion to the front end of the engaging portion is set to d2, then... The following expressions (4) and (5) are satisfied. d2≤D2≤L2sin(α2+β2) (4) β2=arcsin(K2×t2 / h2) (5).

7. The mirror unit according to claim 1, characterized in that, The drop suppression part is located at a position above 50% of the length of the mirror part in the height direction.

Images