Foldable small-space silent anti-skid dining table

Abstract

The utility model discloses a foldable small-space silent anti-skid dining table, and relates to the technical field of foldable dining tables. The cover plate comprises a cover plate assembly, a plurality of supporting assemblies are installed in the cover plate assembly, a locking assembly is installed on the cover plate assembly, clamping plates are installed on the two sides of the cover plate assembly, and fixing sleeves are installed on the supporting assemblies. The locking assembly can fix the left cover plate and the right cover plate to be in a folded state, the supporting assembly is contained in the locking assembly, when the dining table needs to be used as a dining table, the locking assembly does not fix the left cover plate and the right cover plate any more, the left cover plate and the right cover plate are unfolded through rotation, and the locking assembly is fixed to be in an unfolded flat state through a clamping plate. The supporting assembly is fixed to be in a vertical state through the fixing ring, so that the device can be used as a dining table, the height of the supporting assembly can be changed through adjustment, and the device is easy to fold and store, convenient to carry, capable of guaranteeing the stability and improving the practicability and suitable for multiple use scenes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of folding dining table, specifically, and particularly relates to foldable small space mute antiskid dining table. BACKGROUND

[0002] The original meaning of dining table is a table specially used for eating. According to the material, it can be divided into solid wood dining table, steel wood dining table, marble dining table, marble dining table, marble tea table, jade dining table, jade dining table, jade tea table, cloud stone dining table, etc. Due to the increasing cost of house area, in order to reasonably use each space, the existing dining table generally adopts foldable dining table, and the new foldable dining table conforms to the development of the current trend in application function and storage function, is portable, is convenient to disassemble and fold, is powerful during use, and does not occupy space when not in use.

[0003] With the improvement of people's life, outdoor sports are becoming more and more popular, and more and more people like to have meals in the wild during leisure time. Most of the picnic tables on the market are heavy and large in size, inconvenient to carry, troublesome to fold and store, and unstable, which can cause the food placed on the table to fall to the ground, and the practicability is poor.

[0004] For the problems in the related art, no effective solution has been proposed so far. INVENTION CONTENTS

[0005] In view of the problems in the related art, the utility model provides a foldable small space mute antiskid dining table to overcome the above technical problems existing in the prior art.

[0006] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0007] The utility model discloses a foldable small space mute antiskid dining table, which comprises a cover plate assembly, a plurality of supporting assemblies are installed in the cover plate assembly, a locking assembly is installed on the cover plate assembly, clamping plates are installed on the two sides of the cover plate assembly, and fixing sleeves are installed on the supporting assemblies.

[0008] The cover plate assembly comprises a left cover plate and a right cover plate, one side of the left cover plate is rotationally connected with the right cover plate, the locking assembly is used for locking the left cover plate and the right cover plate in a folded state, the clamping plates are used for fixing the left cover plate and the right cover plate in an unfolded state, in the unfolded state, the supporting assemblies can be changed into a vertical fixed state through the fixing sleeves to support the left cover plate and the right cover plate, and the supporting assemblies can adjust their own height.

[0009] Further, the locking assembly comprises two locking mounting blocks, which are mounted on one end of the left cover plate, and a fixed rod is rotatably mounted on each of the locking mounting blocks, a spring is fixedly mounted around one end of the fixed rod, and a fixed plate is slidably and penetratively mounted on the fixed rod, with one end of the spring in contact with the outer surface of the fixed rod.

[0010] Further, the clamping plates are rotatably mounted on both sides of the left cover plate, and a fixed block is mounted on each side of the right cover plate, and one end of each clamping plate can be clamped with the fixed block.

[0011] Further, the left cover plate and the right cover plate are each provided with a support mounting block on the inner wall, and the number of support mounting blocks mounted on the left cover plate and the right cover plate is two, and the number of support assemblies is the same as that of the support mounting blocks, and each support assembly is rotatably mounted on the support mounting block.

[0012] Further, the support assembly comprises a first support rod, and a positioning column is symmetrically mounted on the surface of the first support rod, a fixed sleeve is sleeved on the first support rod, a U-shaped groove is symmetrically formed on the fixed sleeve, and the positioning column can be slidably matched with the U-shaped groove.

[0013] Further, the support assembly further comprises a second support rod, and the second support rod is slidably mounted in the first support rod, a first hole is penetratively formed in the lower end of the first support rod, a plurality of second holes are penetratively formed in the second support rod, the support assembly further comprises a bolt, the bolt can be simultaneously penetrated into the first hole and the corresponding second hole, and a bottom plate is mounted on the lower end of the second support rod.

[0014] Further, a handle is mounted on one end of the left cover plate and the right cover plate, and the handles can be overlapped.

[0015] Further, the left cover plate and the right cover plate are each provided with a first rubber block on the surface, and a second rubber block is mounted on the lower surface of the bottom plate.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model discloses a locking assembly can fix its left cover plate and right cover plate as folding state, and its support assembly is stored in its inside, thereby shortening its volume, when needing to use it as dining table, can make its locking assembly no longer fix its left cover plate and right cover plate, through rotating and unfolding, thereby through the clamping plate and fix it as unfolded flat state, through the fixed ring and fix its support assembly as vertical state, can stably support its left cover plate and right cover plate, to make the device become dining table use, and support assembly also can change its height through adjusting, and further reach that the device is folded and is stored simple, convenient to carry, can guarantee its stability, avoid food falling to the ground, improve practicality, applicable to more use scene.

[0018] 2. The utility model discloses through rotating its fixed sleeve, make its positioning post in its U -shaped groove from one end slide to the other end, to change its fixed sleeve position, make its fixed sleeve can wrap up its first support rod and support mounting block, make it no longer can rotate, and further fix its first support rod as vertical state, stably support its left cover plate and right cover plate, and need first support rod to rotate when, rotate its fixed sleeve again, make its positioning post slide to the original position in U -shaped groove, and through the different second hole with first hole is corresponding, fixes the bolt in its first hole and the second hole corresponding to it in, to fix its second support rod height, and the bottom plate can improve its support stability, and further reach that the device can stably support its left cover plate and right cover plate, and storage folding is simple, can adjust its height, can satisfy multiple use demand.

[0019] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages described above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be needed to use the drawings described simply introduces, obviously, the following description in the drawings only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0021] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is the structure schematic diagram under the overhead perspective of the utility model;

[0023] Figure 3 It is the Figure 1 It is the local amplification structure schematic diagram of A place in the utility model;

[0024] Figure 4 It is the Figure 2Local enlarged structure schematic view at middle B;

[0025] Figure 5 Support assembly structure schematic view of the utility model;

[0026] Figure 6 Support assembly structure schematic view two of the utility model.

[0027] In the drawings, the components represented by each reference numeral are listed as follows:

[0028] 1, cover plate assembly; 2, support assembly; 3, locking assembly; 4, clamping plate; 5, fixed sleeve; 6, left cover plate; 7, right cover plate; 8, locking mounting block; 9, fixed rod; 10, spring; 11, fixed plate; 12, positioning block; 13, fixed block; 14, support mounting block; 15, first support rod; 16, positioning column; 17, U-shaped groove; 18, second support rod; 19, first hole; 20, second hole; 21, bolt; 22, bottom plate; 23, handle; 24, first rubber block; 25, second rubber block. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] In the description of the utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0031] Please refer to Figures 1-6 The utility model discloses a foldable small-space mute antiskid dining table, which comprises a cover plate assembly 1, a plurality of support assemblies 2 are installed in the cover plate assembly 1, a locking assembly 3 is installed on the cover plate assembly 1, clamping plates 4 are installed on the two sides of the cover plate assembly 1, and fixed sleeves 5 are installed on the support assemblies 2.

[0032] The cover plate assembly 1 includes a left cover plate 6 and a right cover plate 7, one side of the left cover plate 6 is rotatably connected with the right cover plate 7, the locking assembly 3 is used for locking the left cover plate 6 and the right cover plate 7 in a folded state, the clamping plate 4 is used for fixing the left cover plate 6 and the right cover plate 7 in an unfolded state, in the unfolded state, the supporting assembly 2 can be changed to a vertical fixed state through the fixing sleeve 5 to support the left cover plate 6 and the right cover plate 7, and the supporting assembly 2 can adjust its own height.

[0033] In actual use, the left cover plate 6 and the right cover plate 7 can be folded through the locking assembly 3, the supporting assembly 2 can be accommodated in the inner cavity of the left cover plate 6 and the right cover plate 7, convenient to move and take, shorten the volume, when it is needed to be used as a dining table, the locking assembly 3 can be adjusted to no longer fix the left cover plate 6 and the right cover plate 7, so as to rotate and unfold, the clamping plate 4 is used for fixing the unfolded state, and then the fixing sleeve 5 is used for fixing the supporting assembly 2 in a vertical state, so as to support the left cover plate 6 and the right cover plate 7, so that the device becomes a dining table to be used, and the height of the supporting assembly 2 can be adjusted to improve the use scene.

[0034] The left cover plate 6 and the right cover plate 7 can be fixed in a folded state through the locking assembly 3, and the supporting assembly 2 can be accommodated in the inside, so that the volume is shortened, when it is needed to be used as a dining table, the locking assembly 3 can be adjusted to no longer fix the left cover plate 6 and the right cover plate 7, and the left cover plate 6 and the right cover plate 7 are unfolded through rotation, so that the clamping plate 4 is used for fixing the unfolded and flat state, the supporting assembly 2 is fixed in a vertical state through the fixing ring, so that the left cover plate 6 and the right cover plate 7 can be stably supported, so that the device becomes a dining table to be used, and the height of the supporting assembly 2 can be adjusted, so that the device is folded and accommodated simply, convenient to carry, the stability can be guaranteed, food can be prevented from falling to the ground, the practicability is improved, and the device is suitable for more use scenes.

[0035] In one embodiment, for the above-mentioned locking assembly 3, the locking assembly 3 includes locking mounting blocks 8, the locking mounting blocks 8 are two, the locking mounting blocks 8 are installed on one end of the left cover plate 6, fixed rods 9 are rotatably installed on the locking mounting blocks 8, springs 10 are fixedly installed around one end of the fixed rods 9, fixed plates 11 are slidably and penetratively installed on the fixed rods 9, one end of the springs 10 is in contact with the outer surface of the fixed rods 9, and the locking assembly 3 further includes positioning blocks 12, the number of the positioning blocks 12 is consistent with that of the locking mounting blocks 8, and the positioning blocks 12 are installed on one end of the right cover plate 7.

[0036] When the left cover plate 6 and the right cover plate 7 have been folded together, the fixed rod 9 can be rotated on the locking mounting block 8, the fixed rod 9 is clamped into the positioning block 12, the spring 10 drives the fixed plate 11 to move by the elastic force of the spring 10, the fixed rod 9 is fixed in the positioning block 12, the left cover plate 6 and the right cover plate 7 are in the folded fixed state, and the left cover plate 6 and the right cover plate 7 are convenient to carry and move. When the left cover plate 6 and the right cover plate 7 need to be unfolded, the fixed plate 11 is pulled, the fixed rod 9 is not fixed in the positioning block 12, and the left cover plate 6 and the right cover plate 7 can be rotated and opened.

[0037] In an embodiment, for the clamping plate 4, the clamping plate 4 is rotatably mounted on the left cover plate 6, and the right cover plate 7 is provided with a fixed block 13.

[0038] When the left cover plate 6 and the right cover plate 7 are unfolded by rotating, the clamping plate 4 on the left cover plate 6 is clamped into the fixed block 13 on the right cover plate 7, the left cover plate 6 and the right cover plate 7 are fixedly connected, the outer surfaces are horizontally parallel, the device is changed into a dining table for use, and the practicality is high.

[0039] In an embodiment, for the left cover plate 6, the left cover plate 6 and the right cover plate 7 are the same in principle, the left cover plate 6 is taken as an example, the left cover plate 6 and the right cover plate 7 are provided with support mounting blocks 14, the number of the support mounting blocks 14 mounted on the left cover plate 6 and the right cover plate 7 is two, the number of the support assemblies 2 is the same as that of the support mounting blocks 14, and the support assemblies 2 are rotatably mounted on the support mounting blocks 14.

[0040] The support mounting blocks 14 are mounted below the left cover plate 6 and the right cover plate 7, the support assemblies 2 are rotatably mounted on the support mounting blocks 14, the support assemblies 2 are changed into the vertical state by rotating when the left cover plate 6 and the right cover plate 7 are unfolded, the left cover plate 6 and the right cover plate 7 can be supported, and the stability is improved.

[0041] In an embodiment, for the support assembly 2, the support assembly 2 comprises a first support rod 15, the first support rod 15 is provided with a positioning column 16 on the surface, a fixed sleeve 5 is sleeved on the first support rod 15, the fixed sleeve 5 is provided with a U-shaped groove, and the positioning column 16 is slidably matched with the U-shaped groove.

[0042] When the first support rod 15 is changed to a vertical state by rotating, the fixed sleeve 5 can be rotated to make the positioning column 16 slide in the U-shaped groove from one end to the other end, thereby changing the position of the fixed sleeve 5, so that the fixed sleeve 5 can wrap the first support rod 15 and the support mounting block 14, so that the first support rod 15 can no longer be rotated, and the first support rod 15 is fixed in a vertical state, and the left cover plate 6 and the right cover plate 7 are stably supported. When the first support rod 15 needs to be rotated, the fixed sleeve 5 is rotated again, so that the positioning column 16 slides in the U-shaped groove to the original position, thereby enabling the left cover plate 6 and the right cover plate 7 to be stably supported, and the folding and storage are simple.

[0043] In one embodiment, for the above-mentioned support assembly 2, the support assembly 2 further comprises a second support rod 18, the second support rod 18 is slidably installed in the first support rod 15, a first hole 19 is formed through the lower end of the first support rod 15, a plurality of second holes 20 are formed through the second support rod 18, the support assembly 2 further comprises a bolt 21, the bolt 21 can simultaneously penetrate the first hole 19 and the corresponding second hole 20, and the bottom plate 22 is installed at the lower end of the second support rod 18.

[0044] By slidably installing the second support rod 18 in the first support rod 15, the second support rod 18 can be slid to correspond different second holes 20 with the first hole 19, and the bolt 21 is fixed in the first hole 19 and the corresponding second hole 20, thereby fixing the height of the second support rod 18, and the bottom plate 22 can improve the stability of the support, thereby achieving the device can adjust the height and be suitable for more scenes.

[0045] In one embodiment, for the above-mentioned left cover plate 6, the left cover plate 6 and the right cover plate 7 have the same principle, and the left cover plate 6 is taken as an example, a handle 23 is installed at one end of the left cover plate 6 and the right cover plate 7, and the handle 23 can be overlapped.

[0046] By installing the handle 23 on the left cover plate 6 and the right cover plate 7, the left cover plate 6 and the right cover plate 7 can be easily folded, and the manpower is reduced.

[0047] In one embodiment, for the above-mentioned left cover plate 6, the left cover plate 6 and the right cover plate 7 have the same principle, and the left cover plate 6 is taken as an example, a first rubber block 24 is embedded on the surface of the left cover plate 6 and the right cover plate 7, and a second rubber block 25 is installed on the lower surface of the bottom plate 22.

[0048] By installing the first rubber block 24 on the left cover plate 6 and the right cover plate 7, the friction of the surface of the left cover plate 6 and the right cover plate 7 can be increased, and the sound-damping effect is also achieved; by installing the second rubber block 25 on the lower surface of the bottom plate 22, the friction between the bottom plate 22 and the ground can be increased, the sliding can be reduced, the stability can be improved, and the noise generated between the bottom plate 22 and the ground can be reduced.

[0049] In summary, by means of the above technical scheme of the utility model, the left cover plate 6 and the right cover plate 7 can be folded together by the handle 23, and the support assembly 2 can be stored in the inner cavity; by rotating the fixing rod 9 on the locking mounting block 8, the fixing rod 9 is clamped into the positioning block 12, and the spring 10 drives the fixing plate 11 to move and abut against the positioning block 12, so that the fixing rod 9 is fixed in the positioning block 12; when the left cover plate 6 and the right cover plate 7 are in the unfolded state and used as a dining table, the fixing plate 11 is pulled to make the fixing rod 9 no longer fixed in the positioning block 12, and the left cover plate 6 and the right cover plate 7 can be rotated to open and close; when the left cover plate 6 and the right cover plate 7 are unfolded by rotating, the clamping plate 4 on the left cover plate 6 is clamped into the fixing block 13 on the right cover plate 7, so that the left cover plate 6 and the right cover plate 7 are fixedly connected and the outer surfaces are horizontally parallel; the first support rod 15 is rotated to be vertical, the fixing sleeve 5 is rotated, the positioning column 16 slides in the U-shaped groove from one end to the other end, the position of the fixing sleeve 5 is changed, the fixing sleeve 5 can wrap the first support rod 15 and the support mounting block 14, so that the first support rod 15 cannot be rotated any more and is fixed in the vertical state, the left cover plate 6 and the right cover plate 7 are stably supported, the second support rod 18 is slid to correspond the different second holes 20 with the first hole 19, the bolt 21 is fixed in the first hole 19 and the corresponding second hole 20, so that the height of the second support rod 18 is fixed, the bottom plate 22 can improve the stability of the support, the first rubber block 24 is installed on the left cover plate 6 and the right cover plate 7, so that the friction of the surface of the left cover plate 6 and the right cover plate 7 is increased and the sound-damping effect is achieved, the second rubber block 25 is installed on the lower surface of the bottom plate 22, so that the friction between the bottom plate 22 and the ground is increased, the sliding is reduced, the stability is improved, and the noise generated between the bottom plate 22 and the ground is reduced, and the device is changed into a dining table for use, the storage and folding are simple, the practicality is high, the stability is improved, and the use scenarios are more.

[0050] Through the above technical scheme, 1, through the locking assembly 3, the left cover plate 6 and the right cover plate 7 can be fixed in the folded state, and the supporting assembly 2 can be stored in the inside, so as to shorten the volume, when it is needed to use it as a dining table, the locking assembly 3 can no longer fix the left cover plate 6 and the right cover plate 7, and through rotating, it can be unfolded, so as to fix it in the unfolded flat state through the clamping plate 4, and fix the supporting assembly 2 in the vertical state through the fixing ring, so that the left cover plate 6 and the right cover plate 7 can be stably supported, so that the device becomes a dining table, and the height of the supporting assembly 2 can also be adjusted, so as to achieve that the device is simple to fold and store, convenient to carry, can guarantee stability, avoid food from falling to the ground, improve practicability, and is suitable for more use scenes; 2, through rotating the fixing sleeve 5, the positioning column 16 can slide in the U-shaped groove from one end to the other end, so as to change the position of the fixing sleeve 5, so that the fixing sleeve 5 can wrap the first supporting rod 15 and the supporting mounting block 14, so that it can no longer rotate, and then the first supporting rod 15 is fixed in the vertical state, and the left cover plate 6 and the right cover plate 7 are stably supported, and when the first supporting rod 15 needs to rotate, the fixing sleeve 5 is rotated again, so that the positioning column 16 slides in the U-shaped groove to the original position, and through corresponding the different second holes 20 and the first holes 19, the bolt 21 is fixed in the first hole 19 and the second hole 20 corresponding thereto, so as to fix the height of the second supporting rod 18, and the bottom plate 22 can improve the stability of the support, so as to achieve that the device can stably support the left cover plate 6 and the right cover plate 7, and is simple to fold and store, the height can be adjusted, and various use requirements can be met.

[0051] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] The above disclosed preferred embodiments of the utility model are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is limited to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A foldable small-space mute anti-skid dining table comprising a cover plate assembly (1), characterized in that, The cover plate assembly (1) is internally provided with a plurality of support assemblies (2), the cover plate assembly (1) is provided with a locking assembly (3), and the cover plate assembly (1) is provided with a clamping plate (4) on both sides. The cover plate assembly (1) comprises a left cover plate (6) and a right cover plate (7), one side of the left cover plate (6) is rotatably connected with the right cover plate (7), the locking assembly (3) is used for locking the left cover plate (6) and the right cover plate (7) in a folded state, the clamping plate (4) is used for fixing the left cover plate (6) and the right cover plate (7) in an unfolded state, in the unfolded state, the support assembly (2) can be changed to a vertical fixed state through the fixing sleeve (5) to support the left cover plate (6) and the right cover plate (7), and the support assembly (2) can adjust its own height.

2. The foldable small-space quiet anti-skid dining table according to claim 1, characterized in that, The locking assembly (3) comprises a locking mounting block (8), the locking mounting block (8) is two, the locking mounting block (8) is installed on one end of the left cover plate (6), a fixed rod (9) is rotatably installed on the locking mounting block (8), a spring (10) is fixedly installed around one end of the fixed rod (9), a fixed plate (11) is slidably installed on the fixed rod (9), one end of the spring (10) is in contact with the outer surface of the fixed rod (9), and the locking assembly (3) further comprises a positioning block (12), the number of the positioning block (12) is consistent with the number of the locking mounting block (8), and the positioning block (12) is installed on one end of the right cover plate (7).

3. The foldable small-space quiet anti-slip dining table according to claim 2, characterized in that, The clamping plate (4) is rotatably installed on both sides of the left cover plate (6), the right cover plate (7) is provided with a fixed block (13) on both sides, and one end of the clamping plate (4) can be clamped with the fixed block (13).

4. The foldable small-space quiet anti-slip dining table according to claim 3, characterized in that, The left cover plate (6) and the right cover plate (7) are provided with a support mounting block (14) on the inner wall, the number of the support mounting block (14) installed on the left cover plate (6) and the right cover plate (7) is two, the number of the support assembly (2) is the same as the number of the support mounting block (14), and the support assembly (2) is rotatably installed on the support mounting block (14) one by one.

5. The foldable small-space quiet anti-slip dining table according to claim 4, characterized in that, The support assembly (2) comprises a first support rod (15), a positioning column (16) is symmetrically installed on the surface of the first support rod (15), the fixing sleeve (5) is sleeved on the first support rod (15), a U-shaped groove is symmetrically formed on the fixing sleeve (5), and the positioning column (16) can be slidably matched with the U-shaped groove.

6. The foldable small-space quiet anti-slip dining table according to claim 5, characterized in that, The support assembly (2) further comprises second support rods (18), which are slidingly installed inside the first support rods (15), and first holes (19) are formed through the lower ends of the first support rods (15), and a plurality of second holes (20) are formed through the second support rods (18), and the support assembly (2) further comprises bolts (21), which can simultaneously penetrate into the first holes (19) and the corresponding second holes (20), and the lower ends of the second support rods (18) are installed with bottom plates (22).

7. The foldable compact space quiet anti-slip dining table according to claim 6, characterized in that, The left cover plate (6) and the right cover plate (7) are installed with handles (23) at one end, and the handles (23) can be overlapped.

8. The foldable small-space quiet anti-slip dining table according to claim 7, characterized in that, The left cover plate (6) and the right cover plate (7) are installed with first rubber blocks (24) on the surfaces, and the bottom plate (22) is installed with a second rubber block (25) on the lower surface.

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