Folding bathtub rack

Abstract

The utility model is suitable for the technical field of bathtub frames, and provides a folding bathtub frame which comprises a first supporting plate and a second supporting plate which are hinged through a connecting assembly. The connecting assembly comprises a first connecting base, a second connecting base and a rotating shaft. The first connecting base and the second connecting base are connected with the first supporting plate and the second supporting plate correspondingly. The first connecting seat comprises a first sub-seat and a second sub-seat, the first sub-seat extends towards the direction of the second sub-seat to form a limiting flange, and the rotating shaft is fixedly connected between the first sub-seat and the second sub-seat; the second connecting seat is arranged between the limiting flange and the second sub-seat, part of the side wall of the second connecting seat is matched with the inner wall of the limiting flange, and the second connecting seat is in clearance fit with the rotating shaft. The side wall of the second connecting base abuts against the inner wall of the limiting flange to achieve self-locking, the second connecting base and the limiting flange cannot rotate and be folded, and the situation that in the using process, the first supporting plate and the second supporting plate are folded, and consequently articles placed on the first supporting plate and the second supporting plate fall off is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of bathtub racks, and particularly relates to a folding bathtub rack. Background Art

[0002] A bathtub rack is an auxiliary tool for placing items in or on the edge of a bathtub, and modern bathtub racks are widely used in household and commercial environments.

[0003] To facilitate the storage of the bathtub rack, there are some existing folding bathtub racks that usually use hinges or articulated structures to connect two support plates together to achieve the folding and unfolding functions of the rack. After the rack is unfolded, the support plates may accidentally fold under uneven stress or external forces. This situation is likely to cause the items placed on the support plates to slip or be damaged, especially when the rack bears heavy items, and the potential safety hazard is particularly obvious. Or an additional locking mechanism is set to prevent the support plates from accidentally folding. The prior art usually requires an additional locking mechanism, and these mechanisms may include buckles, pins or bolts, etc. These locking structures not only increase the complexity of the rack but also may affect the operation convenience of users. Especially in the case of frequent unfolding and storage, it is easy to have the situation of improper locking resulting in accidental folding. Summary of the Utility Model

[0004] The utility model provides a folding bathtub rack, aiming to solve the problems that the existing bathtub rack is prone to accidental folding of the support plates due to the absence of a locking mechanism or the cumbersome structure of the locking mechanism and difficult operation, resulting in the items being scattered and damaged.

[0005] The utility model is realized as follows. A folding bathtub rack includes: a first support plate and a second support plate, and the first support plate and the second support plate are hinged through a connecting component;

[0006] The connecting component includes: a first connecting seat, a second connecting seat and a rotating shaft;

[0007] The first connecting seat includes a first sub-seat and a second sub-seat. The first sub-seat extends a limiting flange towards the second sub-seat, and the rotating shaft is fixedly connected between the first sub-seat and the second sub-seat;

[0008] The second connecting seat is placed between the limiting flange and the second sub-seat. Part of the side wall of the second connecting seat is adapted to the inner wall of the limiting flange, and the second connecting seat is in clearance fit with the rotating shaft.

[0009] Optionally, the second connecting seat is a columnar shape with a superior arc bow, the limiting flange is a columnar shape with an inferior arc bow, and the second connecting seat and the limiting flange can be combined into a cylinder.

[0010] Optionally, relief grooves are provided on the first sub-base, the second sub-base and the second connecting base.

[0011] Optionally, a protruding clamping projection is provided on the first support plate, and a concave buckle is provided at a position corresponding to the clamping projection on the second support plate, and the clamping projection is adapted to the concave buckle.

[0012] Optionally, a protruding clamping projection is provided on the second support plate, and a concave buckle is provided at a position corresponding to the clamping projection on the first support plate, and the clamping projection is adapted to the concave buckle.

[0013] Optionally, a groove is provided on the clamping projection, and the extending direction of the groove is the same as the extending direction of the rotating shaft. The concave buckle includes a receiving groove and a convex block provided in the receiving groove, and the convex block is adapted to the groove.

[0014] Optionally, pulling frames are respectively provided on the first support plate and the second support plate, and the pulling frames are respectively slidably connected to the first support plate and the second support plate.

[0015] Optionally, the pulling frame includes an adjusting portion and a supporting portion. A sliding groove is provided on the adjusting portion, and sliding blocks adapted to the sliding groove are provided on the first support plate and the second support plate. The supporting portion extends from the outer edge of the adjusting portion in a direction away from the first support plate and the second support plate.

[0016] Optionally, fences are provided on the first support plate and the second support plate.

[0017] Optionally, a mobile phone holder is provided on the first support plate or the second support plate.

[0018] The beneficial effects achieved by the present utility model are as follows. Since the first support plate and the second support plate are hinged, the two can be folded and retracted, reducing the storage area. When the first support plate and the second support plate are unfolded, the second connecting base rotates to a position adapted to the limiting flanging, and the second connecting base slides along the rotating shaft, so that the side wall of the second connecting base abuts against the inner wall of the limiting flanging, and the first support plate and the second support plate are fixed, realizing self-locking, and the two cannot rotate and fold, avoiding the first support plate and the second support plate folding during use and causing the items placed on the first support plate and the second support plate to fall and be damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural view of the folding bathtub rack provided by the present utility model in a folded state;

[0020] Figure 2 is a schematic structural view of the folding bathtub rack provided by the present utility model in an unfolded state;

[0021] Figure 3It is a schematic structural diagram of the locking state of the folding bathtub rack provided by the present utility model;

[0022] Figure 4 It is a split bottom view of the folding bathtub rack provided by the present utility model;

[0023] Figure 5 It is an enlarged schematic diagram at position A;

[0024] Figure 6 It is an enlarged schematic diagram at position B;

[0025] Figure 7 It is a matching schematic diagram of the second connecting seat and the limiting flanging provided by the present utility model.

[0026] Explanation of reference numerals:

[0027] 100, folding bathtub rack; 110, first support plate; 120, second support plate; 130, connecting assembly; 131, first connecting seat; 1311, first sub-seat; 1312, second sub-seat; 1313, limiting flanging; 132, second connecting seat; 133, rotating shaft; 140, clamping projection; 141, groove; 150, concave buckle; 151, receiving groove; 152, convex block; 160, pulling frame; 161, adjusting part; 162, supporting part; 163, sliding groove; 170, sliding block; 180, fence; 190, mobile phone holder. Detailed implementation manners

[0028] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model. In addition, it should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0029] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "left", "right", "horizontal", "top", "bottom", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0030] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present utility model, "a plurality of" means two or more unless otherwise specifically defined.

[0031] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "mounted", "connected" and "coupled" should be construed broadly. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection, an electrical connection or a connection capable of mutual communication; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model may be understood according to specific circumstances.

[0032] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely means that the horizontal height of the first feature is lower than that of the second feature.

[0033] The following disclosure provides many different embodiments or examples for implementing different structures of the present utility model. To simplify the disclosure of the present utility model, components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present utility model. In addition, the present utility model may repeat reference numerals and / or reference letters in different examples. Such repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present utility model provides examples of various specific processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0034] The first support plate and the second support plate of the present utility model are hinged, and the two can be folded and retracted to reduce the storage area. When the first support plate and the second support plate are unfolded, the second connecting seat rotates to a position adapted to the limiting flange, and the second connecting seat slides along the rotating shaft, so that the side wall of the second connecting seat abuts against the inner wall of the limiting flange, and the first support plate and the second support plate are fixed, realizing self-locking, and the two cannot rotate and fold, avoiding the first support plate and the second support plate from folding during use, resulting in the items placed on the first support plate and the second support plate falling and being damaged.

[0035] Embodiment 1

[0036] As Figures 1 to 4 shown, this embodiment provides a folding bathtub rack 100, which includes: a first support plate 110 and a second support plate 120, and the first support plate 110 and the second support plate 120 are hinged through a connecting component 130;

[0037] The connecting component 130 includes: a first connecting seat 131, a second connecting seat 132 and a rotating shaft 133;

[0038] The first connecting seat 131 includes a first sub-seat 1311 and a second sub-seat 1312. The first sub-seat 1311 extends a limiting flange 1313 towards the second sub-seat 1312, and the rotating shaft 133 is fixedly connected between the first sub-seat 1311 and the second sub-seat 1312;

[0039] The second connecting seat 132 is placed between the limiting flange 1313 and the second sub-seat 1312. A part of the side wall of the second connecting seat 132 is adapted to the inner wall of the limiting flange 1313, and the second connecting seat 132 is in clearance fit with the rotating shaft 133.

[0040] The first support plate 110 and the second support plate 120 are the main load-bearing parts of the bathtub rack, and respectively constitute two supporting surfaces of the bathtub rack for placing items. The first support plate 110 and the second support plate 120 are hinged through the connecting component 130, and the two can rotate relative to the hinge position, fold or unfold. When unfolded, the first support plate 110 and the second support plate 120 are combined into a whole and can be horizontally placed between the opposite side walls of the bathtub for placing items.

[0041] The first support plate 110 and the second support plate 120 are hinged by a connecting component 130. The first connecting seat 131 and the second connecting seat 132 are respectively connected to the first support plate 110 and the second support plate 120. Specifically, the first connecting seat 131 can be arranged on the first support plate 110 and the second connecting seat 132 can be arranged on the second support plate 120; alternatively, the first connecting seat 131 can be arranged on the second support plate 120 and the second connecting seat 132 can be arranged on the first support plate 110; when multiple sets of connecting components 130 are provided, it can also be that in at least one set of connecting components 130, the first connecting seat 131 is arranged on the first support plate 110 and the second connecting seat 132 is arranged on the second support plate 120, and in the remaining connecting components 130, the first connecting seat 131 is arranged on the second support plate 120 and the second connecting seat 132 is arranged on the first support plate 110.

[0042] The first connecting seat 131 includes a first sub-seat 1311 and a second sub-seat 1312, providing a basis for fixing and rotation. The rotating shaft 133 is fixedly connected between the first sub-seat 1311 and the second sub-seat 1312, providing a rotation fulcrum.

[0043] The second connecting seat 132 cooperates with the first connecting seat 131. The first sub-seat 1311 extends a limiting flange 1313 for limiting the second connecting seat 132. The second connecting seat 132 has a clearance fit with the rotating shaft 133 to ensure a certain degree of freedom when rotating relative to the rotating shaft 133 but not being loose. The second connecting seat 132 is located between the limiting flange 1313 and the second sub-seat 1312, and part of its side wall is adapted to the inner wall of the limiting flange 1313. When the second connecting seat 132 rotates to an angle corresponding to the inner wall of the limiting flange 1313, the limiting flange 1313 provides limitation and guidance for the second connecting seat 132. At this time, the second connecting seat 132 no longer rotates relative to the rotating shaft 133 but moves along the axial direction of the rotating shaft 133.

[0044] In this embodiment, the first support plate 110 and the second support plate 120 are hinged and can be folded and retracted to reduce the storage area. When the first support plate 110 and the second support plate 120 are unfolded, the second connecting seat 132 rotates to a position adapted to the limiting flange 1313, and the second connecting seat 132 slides along the rotating shaft 133, so that the side wall of the second connecting seat 132 abuts against the inner wall of the limiting flange 1313. The first support plate 110 and the second support plate 120 are fixed to achieve self-locking, and they cannot rotate and fold, avoiding the first support plate 110 and the second support plate 120 folding during use and causing the items placed on the first support plate 110 and the second support plate 120 to fall and be damaged.

[0045] Embodiment 2

[0046] As Figure 7 shown, on the basis of the first embodiment, the second connecting seat 132 is in the shape of a column with a major arc bow, and the limiting flange 1313 is in the shape of a column with a minor arc bow. The second connecting seat 132 and the limiting flange 1313 can be combined into a cylinder.

[0047] A figure formed by a chord and the arc it subtends is called a bow. When the arc of the bow is less than a semi - circle, it is called a "minor - arc bow", and when the arc of the bow is greater than a semi - circle, it is called a "major - arc bow".

[0048] The side wall corresponding to the chord of the major - arc bow of the second connecting seat 132 is adapted to the inner wall corresponding to the chord of the minor - arc bow of the limiting flange 1313, and the two can be fitted together to form a cylinder.

[0049] The second connecting seat 132 is placed between the limiting flange 1313 and the second sub - seat 1312, and is limited by the limiting flange 1313 and the second sub - seat 1312. The second connecting seat 132 can rotate around the rotating shaft 133, so that the second support plate 120 can be folded or unfolded towards the first support plate 110. When the second connecting seat 132 rotates to the position where the side wall corresponding to the chord of the major - arc bow is matched with the inner wall corresponding to the chord of the minor - arc bow of the limiting flange 1313, the second connecting seat 132 can move along the axial direction of the rotating shaft 133, and due to the blocking of the limiting flange 1313, the second connecting seat 132 cannot rotate around the rotating shaft 133.

[0050] Embodiment 3

[0051] As Figure 1 shown, on the basis of the first embodiment, relief grooves are provided on the first sub - seat 1311, the second sub - seat 1312 and the second connecting seat 132.

[0052] The main function of the relief groove is to reduce the overall weight of the component by reducing the amount of material used. On the premise of maintaining the structural strength, it can effectively reduce the self - weight of the bathtub rack, thereby improving the portability of the product. At the same time, through the design of the relief groove, the amount of material used can be reduced, and the production cost can be lowered. This design can bring obvious economic benefits especially in mass production.

[0053] Embodiment 4

[0054] On the basis of the first embodiment, a protruding clamping projection 140 is provided on the first support plate 110, and a concave buckle 150 is provided at the corresponding position of the clamping projection 140 on the second support plate 120. The clamping projection 140 is adapted to the concave buckle 150.

[0055] The clamping projection 140 refers to the part protruding outward on the first support plate 110, and the concave buckle 150 is the recessed part corresponding to the clamping projection 140. Their sizes are matched so that the clamping projection 140 can be firmly embedded in the concave buckle 150.

[0056] When the first support plate 110 and the second support plate 120 are unfolded and a part of the side wall of the second connecting seat 132 abuts against the inner wall of the limiting flange 1313, the clamping projection 140 and the recessed buckle 150 are buckled together to provide additional mechanical locking, which helps to fix the first support plate 110 and the second support plate 120, prevent the first support plate 110 and the second support plate 120 from sliding or loosening during use, and ensure the stability and reliability of the structure.

[0057] Embodiment 5

[0058] As Figure 1 and Figure 5 shown, on the basis of the first embodiment, a protruding clamping projection 140 is provided on the second support plate 120, and a recessed buckle 150 is provided at a position corresponding to the clamping projection 140 on the first support plate 110. The clamping projection 140 and the recessed buckle 150 are adapted to each other.

[0059] Compared with the fourth embodiment where the clamping projection 140 is provided on the second support plate 120 and the recessed buckle 150 is provided on the first support plate 110, the usage modes of the clamping projection 140 and the recessed buckle 150 are the same as those in the fourth embodiment, and will not be elaborated here.

[0060] Embodiment 6

[0061] As Figure 5 shown, on the basis of the fourth or fifth embodiment, a groove 141 is provided on the clamping projection 140. The extending direction of the groove 141 is the same as the extending direction of the rotating shaft 133. The recessed buckle 150 includes a receiving groove 151 and a protrusion 152 provided in the receiving groove 151. The protrusion 152 is adapted to the groove 141.

[0062] Specifically, the receiving groove 151 is used to receive the clamping projection 140, and the width of the receiving groove 151 is greater than the width of the clamping projection 140. The protrusion 152 protrudes from one side wall of the receiving groove 151 to the other side wall, and the protruding direction of the protrusion 152 is the same as the extending direction of the limiting flange 1313.

[0063] When the second connecting seat 132 moves along the axis of the rotating shaft 133 and abuts against the limiting flange 1313, the clamping projection 140 moves along the axis of the rotating shaft 133 accordingly. The groove 141 on the clamping projection 140 is buckled with the protrusion 152 to provide additional mechanical locking, which helps to fix the first support plate 110 and the second support plate 120, prevent the first support plate 110 and the second support plate 120 from sliding or loosening during use, and ensure the stability and reliability of the structure.

[0064] It should be noted that in this embodiment, the width direction is the same as the axial extending direction of the rotating shaft 133.

[0065] Embodiment 7

[0066] As shown Figures 1 to 4 in FIG. 4, on the basis of the first embodiment, a pulling frame 160 is respectively arranged on the first support plate 110 and the second support plate 120, and the pulling frame 160 is respectively slidably connected to the first support plate 110 and the second support plate 120.

[0067] The pulling frame 160 is respectively installed on the first support plate 110 and the second support plate 120. The sliding connection between the pulling frame 160 and the first support plate 110 and the second support plate 120 respectively allows the pulling frame 160 to slide freely within a certain range. The user can manually stretch or shorten the pulling frame 160 as needed, extend or shorten the length of the support plate, so as to adjust the size of the entire bathtub rack to meet different usage requirements.

[0068] The sliding connection is specifically realized through rails, sliding grooves 163 or guide rail systems, etc., which are not limited herein.

[0069] Embodiment 8

[0070] As shown Figures 1 to 4 in FIG. 5, on the basis of the first embodiment, the pulling frame 160 includes an adjusting portion 161 and a supporting portion 162. The adjusting portion 161 is provided with a sliding groove 163, and sliders 170 adapted to the sliding groove 163 are arranged on the first support plate 110 and the second support plate 120. The supporting portion 162 extends from the outer edge of the adjusting portion 161 in a direction away from the first support plate 110 and the second support plate 120.

[0071] The adjusting portion 161 is responsible for connecting and sliding with the first support plate 110 and the second support plate 120. One or more sliding grooves 163 are designed on the adjusting portion 161, and these sliding grooves 163 extend along the length direction of the supporting portion 162 for guiding the movement of the sliders 170. The design of the sliding groove 163 can be linear or have a specific curve or shape, specifically depending on the usage requirements of the pulling frame 160. The sliders 170 are fixed on the first support plate 110 and the second support plate 120 and are adapted to the sliding grooves 163 of the adjusting portion 161. The supporting portion 162 extends from the outer edge of the adjusting portion 161 in a direction away from the first support plate 110 and the second support plate 120. When relative movement occurs between the sliding groove 163 and the slider 170, the supporting portion 162 follows the movement to extend or shorten the length of the pulling frame 160 to adapt to the specific usage scenario.

[0072] Embodiment 9

[0073] As shown Figures 1 to 3 in FIG. 6, on the basis of the first embodiment, a fence 180 is arranged on the first support plate 110 and the second support plate 120.

[0074] The fence 180 is arranged on the peripheral edges of the first support plate 110 and the second support plate 120, forming a closed or semi-closed structure around the outer edges of the support plates. This fence 180 can be fixed, detachable or foldable, depending on the design requirements of the product.

[0075] The fence 180 can provide protection. Especially when placing items on the support plate, the fence 180 can help fix these items and prevent them from accidentally slipping.

[0076] Embodiment 10

[0077] As Figures 1 to 3 shown, based on the first embodiment, a mobile phone holder 190 is arranged on the first support plate 110 or the second support plate 120.

[0078] The mobile phone holder 190 is used to support a mobile phone or other electronic devices. Specifically, it can be a fixed mobile phone holder 190 or a foldable mobile phone holder 190.

[0079] Specifically, the mobile phone holder 190 can be a foldable mobile phone holder 190. The foldable mobile phone holder 190 usually consists of multiple foldable support arms, which can be folded flat when not in use and unfolded to support the mobile phone when needed, facilitating storage. It can also be a clamping type holder which usually consists of two or more adjustable clamping arms, and these clamping arms can be adjusted through a spring or screw mechanism to adapt to mobile phones of different sizes. It can also be a mobile phone holder 190 with other common structures, which will not be elaborated here.

[0080] The mobile phone holder 190 and the first support plate 110 or the second support plate 120 can be fixedly connected or movably connected. The setting of the mobile phone holder 190 enables users to conveniently use a mobile phone or other electronic products even when taking a bath, which can significantly improve the usage experience of the bathtub rack.

[0081] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A folding bathtub rack, characterized in that, Comprising: A first support plate and a second support plate, the first support plate and the second support plate are hinged by a connecting component; The connecting component includes: a first connecting seat, a second connecting seat and a rotating shaft; The first connecting seat includes a first sub-seat and a second sub-seat, the first sub-seat extends a limiting flange towards the second sub-seat, and the rotating shaft is fixedly connected between the first sub-seat and the second sub-seat; The second connecting seat is placed between the limiting flange and the second sub-seat, a part of the side wall of the second connecting seat is adapted to the inner wall of the limiting flange, and the second connecting seat is in clearance fit with the rotating shaft.

2. The foldable bathtub rack according to claim 1, characterized in that, The second connecting seat is a columnar shape with a superior arc bow, the limiting flange is a columnar shape with an inferior arc bow, and the second connecting seat and the limiting flange can be combined into a cylinder.

3. The foldable bathtub rack according to claim 1, characterized in that, Relieving grooves are provided on the first sub-seat, the second sub-seat and the second connecting seat.

4. The folding bathtub rack according to claim 1, wherein, A protruding clamping projection is provided on the first support plate, and a concave buckle is provided at the corresponding position on the second support plate, and the clamping projection is adapted to the concave buckle.

5. The folding bathtub rack according to claim 1, characterized in that, A protruding clamping projection is provided on the second support plate, and a concave buckle is provided at the corresponding position on the first support plate, and the clamping projection is adapted to the concave buckle.

6. The folding bathtub rack according to claim 4 or 5, wherein A groove is provided on the clamping projection, the extending direction of the groove is the same as the extending direction of the rotating shaft, the concave buckle includes a receiving groove and a convex block provided in the receiving groove, and the convex block is adapted to the groove.

7. The foldable bathtub rack according to claim 1, wherein Pulling frames are respectively provided on the first support plate and the second support plate, and the pulling frames are respectively slidably connected to the first support plate and the second support plate.

8. The folding bathtub rack according to claim 7, characterized in that, The pulling frame includes an adjusting part and a supporting part, a sliding groove is provided on the adjusting part, and sliding blocks adapted to the sliding groove are provided on the first support plate and the second support plate, and the supporting part extends from the outer edge of the adjusting part away from the first support plate and the second support plate.

9. The foldable bathtub rack according to claim 1, wherein, Fences are provided on the first support plate and the second support plate.

10. The foldable bathtub rack according to claim 1, wherein, A mobile phone holder is provided on the first support plate or the second support plate.

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