Intelligent folding light and sound humidifier

Abstract

The utility model discloses an intelligent folding light and sound humidifier, and relates to the technical field of articles of daily use. The device comprises a lower base, an installation shell at the top end of the lower base is provided with a folding mechanism capable of automatically ascending and descending, an upper base is installed at the top end of the folding mechanism, small holes are formed in the opposite sides of the lower base and the upper base, and an opening and closing mechanism capable of being used in cooperation with humidification equipment is arranged in the middle of the upper base. According to the folding humidifier, the three functions of the double-spray atomization module, the Bluetooth module and the ASR-PRO intelligent offline language recognition module can be used independently and can also be used in an overlapped mode, so that the folding humidifier can humidify air, meanwhile, the Bluetooth module is added to play music and add fun, the lamplight function is integrated into the humidifier, and therefore the folding humidifier is more interesting. Practical illumination is provided, a warm and sweet environment is created, space is fully utilized, portability and practicability are enhanced, attractiveness is achieved, the advanced mute technology is adopted, noise is extremely low during operation, and the noise can hardly be perceived.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of daily necessities, specifically to a light sound humidifier of intelligent folding. BACKGROUND

[0002] With the rapid development of science and technology and the increasing improvement of people's living standards, intelligent home devices have become an important part of modern life, and light, sound and humidifier are the three common devices in smart home, which play an important role in improving indoor environment and improving life quality. Light can create a comfortable living atmosphere, sound can bring pleasant music enjoyment, and humidifier can effectively regulate indoor humidity and keep the air fresh and humid.

[0003] However, traditional light, sound and humidifier usually exist as independent devices, and each operates independently, which not only occupies a lot of indoor space, but also needs to be operated and controlled separately when in use, which brings many inconveniences to users. In the intelligent home device, the humidifier is an important device for regulating indoor humidity, and its importance is self-evident. The traditional humidifier often has the limitations of large size, inconvenience to store and carry in design, especially in the case of travel, business trip or limited living space, the use of traditional humidifier is greatly limited, and users often need to compromise between portability and functionality, which undoubtedly reduces the user's experience and satisfaction.

[0004] In view of the above problems, the utility model provides a light sound humidifier of intelligent folding for solving the above problems. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the problem that light, sound and humidifier are common home devices with single function, large size, lack of integration and inconvenience to carry, the utility model aims to provide a light sound humidifier of intelligent folding.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme: a light sound humidifier of intelligent folding, comprising a lower base, the top end of the lower base is provided with a folding mechanism which can automatically lift, the top end of the folding mechanism is provided with an upper base, the opposite sides of the lower base and the upper base are provided with small holes, the middle part of the upper base is provided with an opening and closing mechanism which can be used for mutual cooperation with humidifying equipment, and the line between the upper base and the lower base is passed through the small hole.

[0007] Preferably, the lower base comprises a first drawer, one side of the inner part of the first drawer is fixedly installed with a Bluetooth module, one side of the middle part of the first drawer is fixedly installed with a loudspeaker, and one side of the first drawer away from the Bluetooth module is fixedly installed with an ASR-PRO intelligent offline language recognition module. By setting the Bluetooth module, the Bluetooth module can play music using Bluetooth, TF card, USB and the like, so as to play favorite music, relax oneself and be happy. One side of the inner part of the first drawer is fixedly installed with a No. 5V battery box, and the No. 5V battery box is used in cooperation with the ASR-PRO intelligent offline language recognition module. By setting the No. 5V battery box, the No. 5V battery box can be used to supply power to the ASR-PRO intelligent offline language recognition module. The lower part of the upper base is provided with a first cavity, a second drawer is slidably clamped in the inner part of the first cavity, a humidifying container is fixedly installed in the middle part of the second drawer, a sponge is fixedly installed in the middle part of the humidifying container, an atomizing piece is installed at the top end of the sponge, a double-spray atomization module is fixedly installed on one side of the inner part of the second drawer, and a No. 5V battery box is fixedly installed on one side of the inner part of the second drawer close to the double-spray atomization module. By setting the No. 5V battery box, the double-spray atomization module can be powered.

[0008] Preferably, the folding mechanism comprises a folding lampshade, the bottom end of the folding lampshade is fixedly installed at the top end of the lower base, the top end of the folding lampshade is fixedly installed at the bottom end of the upper base, by setting the folding lampshade, free drawing can be carried out on the folding lampshade, and a work with unique characteristics can be created, a plurality of WS2812 lamp strips are fixedly installed in the folding lampshade, by setting the WS2812 lamp strip, the ASR-PRO intelligent offline language recognition module is programmed through the Block, and then the switch of the WS2812 lamp strip is controlled through language, the light function is integrated into the humidifier, practical lighting is provided, and a warm environment is created, in addition to the basic lighting function, the light can be used to create different atmospheres, the color, brightness and flashing mode of the WS2812 lamp strip can be adjusted, various comfortable, romantic or relaxing atmospheres can be created according to the mood of the user or different use scenes, the use experience of the user is improved, the middle part of the top end of the lower base is fixedly installed with a fixing seat, a groove is formed in the middle part of the fixing seat, four first gears are rotatably installed on the upper part of the fixing seat, a second gear is rotatably installed at the top end of the lower base, the four first gears are in meshing connection with the second gear, a first supporting rod is fixedly installed on one side of each of the four first gears, a second supporting rod is movably installed at one end of each of the four first supporting rods, a supporting plate is fixedly installed at the bottom end of the upper base, one end of each of the four second supporting rods is movably installed at the outer middle part of the supporting plate, one side of one of the first gears is provided with a driving assembly, the driving assembly comprises a No.1 motor, the No.1 motor is fixedly installed at one side of the top end of the lower base, the middle part of one end of one of the first gears is fixedly installed at the driving end of the No.1 motor, by setting the No.1 motor, one of the first gears can be driven to rotate under the driving of the No.1 motor, so that the second gear is driven to rotate, and the plurality of first gears are simultaneously rotated.

[0009] Preferably, the opening and closing mechanism comprises a shell, a second cavity is formed in the upper portion of the upper base, the shell is fixedly installed in the middle portion of the second cavity, a second motor is fixedly installed on one side of the upper portion of the upper base, a second gear is arranged at the top end of the second motor, the second gear is fixedly installed in the middle portion of the driving end of the second motor, a first gear is rotatably installed on the outer side of the middle portion of the shell, the first gear is engaged with the second gear, the second motor is arranged, and the second motor drives the second gear to rotate, thereby driving the first gear to rotate, a plurality of swing rods arranged in an annular array are fixedly installed on the lower portion of the first gear, a plurality of turnover plates arranged in an annular array are arranged on the middle portion of the shell, a rotating rod is fixedly installed on one side of the middle portion of each of the plurality of turnover plates, the rotating rod is rotatably installed on the middle portion of the shell, a fixed rod is fixedly installed on one end of each of the plurality of rotating rods, a sliding groove is formed in the middle portion of each of the plurality of fixed rods, each of the plurality of swing rods is slidably arranged in the middle portion of the sliding groove, a fixed frame is fixedly installed on the upper portion of the upper base, and the middle portion of each of the plurality of turnover plates is rotatably installed on the middle portion of the fixed frame.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1、This application can double spray atomization module, bluetooth module and ASR-PRO intelligent offline language recognition module three kinds of functions can be used independently, also can superimposed use makes its folding humidifier can humidify air, add bluetooth module to play music simultaneously, add fun, and the light function is integrated into the humidifier, provides practical lighting, creates the environment of warmth, makes full use of space, enhances portability, practicality, also has the aesthetic nature and adopts advanced mute technology, the noise is extremely low when operating, almost cannot perceive its existence;

[0012] 2、This application is driven under the control of the first motor, and the supporting plate moves up and down, realizes the away or close of the upper base and the lower base, thereby conveniently folding and opening the folding lampshade, controlling the light and sound humidifier equipment, the device makes the equipment operation more intelligent, not only improves the convenience of use, but also enhances the practicality, brings more efficient, flexible smart home experience for the user;

[0013] 3、The application can drive the turnover plate to open and close under the control of the second motor, thereby protecting the humidifying device of the upper base, opening the humidifier under the turnover of the turnover plate when the humidifier is used, enabling the atomized water vapor generated by the atomizing piece to be sprayed, and contacting each other between the turnover plates when not in use, so that the upper part is closed, thereby ensuring that the lower humidifying device does not contact with the outside air, causing dust to enter the humidifying container and pollute the water source, thereby affecting use, ensuring equipment cleaning and ensuring use effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 It is a structural schematic diagram of the present application.

[0016] Figure 2 It is a sectional structural schematic diagram of the present application.

[0017] Figure 3 It is a sectional structural schematic diagram of the present application. Figure 2 It is an enlarged view of A in the present application.

[0018] Figure 4 It is a sectional structural schematic diagram of the upper base of the present application.

[0019] Figure 5 It is a schematic diagram of the connection structure of the lower base and the first drawer in the present application.

[0020] Figure 6 It is a schematic diagram of the opening and closing mechanism structure of the present application.

[0021] Figure 7 It is a sectional structural schematic diagram of the shell of the present application.

[0022] Figure 8 It is an enlarged view of B in the present application. Figure 7 It is an enlarged view of B in the present application.

[0023] Figure 9 It is a schematic diagram of the connection structure of the upper base and the second drawer in the present application.

[0024] In the diagram: 1. Lower base; 101. First drawer; 102. Small hole; 103. Bluetooth module; 104. No. 1 5V battery box; 105. Speaker; 106. ASR-PRO intelligent offline speech recognition module; 2. Folding mechanism; 201. Folding lampshade; 202. No. 1 motor; 203. First gear; 204. Second gear; 205. Fixing base; 206. Slot; 207. First support rod; 208. Second support rod; 209. Support plate; 210. WS2812 LED strip 3. Upper base; 301. Second drawer; 3011. First cavity; 302. Humidifier container; 303. Sponge; 304. Atomizing plate; 305. Dual spraying module; 306. Second 5V battery box; 4. Opening and closing mechanism; 401. Housing; 4011. Second cavity; 402. First gear; 403. Second motor; 404. Second gear; 405. Flip plate; 406. Rotating rod; 407. Fixed rod; 4071. Sliding groove; 408. Swinging rod; 409. Fixed frame. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example: Figures 1-9 As shown, this utility model provides an intelligent folding light and sound humidifier, including a lower base 1. The top of the lower base 1 is equipped with an automatically lifting folding mechanism 2. The top of the folding mechanism 2 is equipped with an upper base 3. By setting the folding mechanism 2, the upper base 3 can be automatically separated from the lower base 1, and the humidifier can be unfolded for use. The middle of the upper base 3 is provided with an opening and closing mechanism 4 that can be used in conjunction with the humidifier. By setting the opening and closing mechanism 4, the humidifier under the upper base 3 can be covered and opened, thereby protecting it and preventing dust from entering the humidifier when it is not in use, which would affect its normal use.

[0027] The lower base 1 includes a first drawer 101, a Bluetooth module 103 is fixedly installed on one side of the inside of the first drawer 101, a loudspeaker 105 is fixedly installed on one side of the middle of the first drawer 101, and an ASR-PRO intelligent offline language recognition module 106 is fixedly installed on one side of the first drawer 101 away from the Bluetooth module 103. By arranging the Bluetooth module 103, the Bluetooth module 103 can play by using Bluetooth, a TF card, a USB flash disk and the like, so as to play favorite music, relax oneself and be happy. The lower part of the upper base 3 is provided with a first cavity 3011, a second drawer 301 is slidably clamped in the inside of the first cavity 3011, a humidifying container 302 is fixedly installed on the middle of the second drawer 301, a sponge 303 is fixedly installed on the middle of the humidifying container 302, an atomizing sheet 304 is installed on the top end of the sponge 303, and by arranging the second drawer 301, the second drawer 301 can be conveniently pulled out, the water amount in the humidifying container 302 is observed, and water source can be supplemented in time. A double-spray atomization module 305 is fixedly installed on one side of the inside of the second drawer 301, and a No. 5V battery box 306 is fixedly installed on one side of the inside of the second drawer 301 close to the double-spray atomization module 305. By arranging the No. 5V battery box 306, the double-spray atomization module 305 can be powered.

[0028] By adopting the above technical scheme, the double-spray atomization module 305, the Bluetooth module 103 and the ASR-PRO intelligent offline language recognition module 106 can be independently used or superimposedly used, so that the folding humidifier has multiple functions, space is fully utilized, portability and practicality are enhanced, and the folding humidifier also has aesthetic property.

[0029] The folding mechanism 2 includes a folding lampshade 201, the bottom end of the folding lampshade 201 is fixedly installed on the top end of the lower base 1, and the top end of the folding lampshade 201 is fixedly installed on the bottom end of the upper base 3. By arranging the folding lampshade 201, free drawing can be performed on the folding lampshade 201, and a work with unique characteristics can be created. The middle of the top end of the lower base 1 is fixedly installed with a fixing seat 205, four first gears 203 are rotatably installed on the upper part of the fixing seat 205, a second gear 204 is rotatably installed on the top end of the lower base 1, the four first gears 203 are all in meshing connection with the second gear 204, a first supporting rod 207 is fixedly installed on one side of each of the four first gears 203, a second supporting rod 208 is movably installed on one end of each of the four first supporting rods 207, a supporting plate 209 is fixedly installed on the middle of the bottom end of the upper base 3, one end of each of the four second supporting rods 208 is movably installed on the outside middle of the supporting plate 209, and one side of one of the first gears 203 is provided with a driving assembly.

[0030] Through the above technical scheme, the first supporting rod 207 and the second supporting rod 208 are driven to move up and down under the cooperation of each other, that is, the folding lampshade 201 is opened and folded, thereby making the use of the user more convenient.

[0031] The opening and closing mechanism 4 comprises a shell 401, a second cavity 4011 is formed in the upper portion of the upper base 3, the shell 401 is fixedly installed in the middle portion of the second cavity 4011, a No. 2 motor 403 is fixedly installed on one side of the upper portion of the upper base 3, a No. 2 gear 404 is arranged at the top end of the No. 2 motor 403, the bottom end of the No. 2 gear 404 is fixedly installed in the driving end of the No. 2 motor 403, a No. 1 gear 402 is rotatably installed on the outer side of the middle portion of the shell 401, the No. 1 gear 402 is engaged with the No. 2 gear 404, a plurality of swing rods 408 arranged in an annular array are fixedly installed on the lower portion of the No. 1 gear 402, a plurality of turnover plates 405 arranged in an annular array are arranged on the middle portion of the shell 401, a rotating rod 406 is fixedly installed on one side of the middle portion of each of the plurality of turnover plates 405, the rotating rod 406 is rotatably installed on the middle portion of the shell 401, a fixed rod 407 is fixedly installed on one end of the rotating rod 406, a sliding groove 4071 is formed in the middle portion of the fixed rod 407, and the swing rod 408 is slidingly arranged in the middle portion of the sliding groove 4071.

[0032] Through the above technical scheme, the opening and closing of the turnover plate 405 can be realized, thereby protecting the atomization equipment in the upper second drawer 301, preventing dust from entering when not in use, and opening the atomization equipment for use by turning over the turnover plate 405 when in use.

[0033] A No. 1 5V battery box 104 is fixedly installed on one side of the inside of the first drawer 101, and the No. 1 5V battery box 104 is used in cooperation with the ASR-PRO intelligent offline language recognition module 106.

[0034] Through the above technical scheme, the No. 1 5V battery box 104 can be used to supply power to the ASR-PRO intelligent offline language recognition module 106.

[0035] Small holes 102 are formed on the opposite sides of the lower base 1 and the upper base 3.

[0036] Through the above technical scheme, the lines between the equipment installed in the upper base 1 and the lower base 3 can pass through the small holes 102.

[0037] The driving assembly comprises a No. 1 motor 202, the No. 1 motor 202 is fixedly installed on one side of the top end of the lower base 1, and one end of the middle portion of one of the first gears 203 is fixedly installed in the driving end of the No. 1 motor 202.

[0038] By adopting the above technical scheme, one of the first gears 203 can be driven to rotate under the driving of the first motor 202, so as to drive the second gear 204 to rotate, thereby enabling the plurality of first gears 203 to rotate simultaneously.

[0039] The middle part of the fixing seat 205 is provided with a groove 206.

[0040] By adopting the above technical scheme, when the folding lampshade 201 is folded, the support plate 209 moves downward to the lowermost end and enters the groove 206, so that the equipment can be folded more compactly.

[0041] The folding lampshade 201 is internally fixedly installed with a plurality of WS2812 lamp strips 210 distributed at equal intervals.

[0042] By adopting the above technical scheme, the ASR-PRO intelligent offline language recognition module 106 is programmed through the Block, and the switch of the WS2812 lamp strip 210 is controlled by language, the light function is integrated into the humidifier, practical lighting is provided, and a warm environment is created. In addition to the basic lighting function, the light can be used to create different atmospheres, the color, brightness and flashing mode of the WS2812 lamp strip 210 can be adjusted, various comfortable, romantic or relaxing atmospheres can be created according to the mood or different use scenes of the user, and the use experience of the user is improved.

[0043] The upper part of the upper base 3 is fixedly installed with a fixing frame 409, and the middle part of one side of the plurality of turnover plates 405 is rotatably installed in the middle part of the fixing frame 409.

[0044] By adopting the above technical scheme, the middle part of the turnover plate 405 is fixed under the action of the fixing frame 409, and the stability of the turnover plate 405 is ensured.

[0045] Working principle: in actual use, one of the first gears 203 is driven to rotate under the driving of the first motor 202, the second gear 204 is driven to rotate, the plurality of first gears 203 are rotated, the first support rod 207 installed on one side is driven to rotate, the support plate 209 is driven to move upward through the transmission of the second support rod 208 under the rotation of the first support rod 207, the upper base 3 is driven to move upward, and the folding lampshade 201 is unfolded.

[0046] When humidification is needed, the second gear 404 is driven by the driving of the second motor 403, the first gear 402 is driven, the lower swing rod 408 is rotated, the swing rod 408 is slid on one side and is clamped in the inside of the sliding groove 4071, the fixed rod 407 is deflected, the rotating rod 406 is rotated, the turnover plate 405 is angularly deflected, the gap between the turnover plate 405 is opened, the turnover plate 405 is reversely rotated by the reverse driving of the second motor 403, and the turnover plate 405 is closed;

[0047] The atomization piece 304 is controlled by the double atomization module 305, the atomization piece 304 starts to atomize water, has various spray modes, can be randomly switched, meets different requirements, the second 5V battery box 306 can supply power to the double atomization module 305, the ASR-PRO intelligent offline language recognition module 106 is programmed through the Tianwen Block, then the language controls the switch of the WS2812 lamp strip 210, the loudspeaker 105 is connected to the ASR-PRO intelligent offline language recognition module 106 to enlarge the sound, the first 5V battery box 104 supplies power to the Bluetooth module 103, the small hole 102 is arranged in the inside of the connecting place of the foldable lampshade 201 and the lower base 1 and the upper base 3, can be used for the line connection of the equipment, and the foldable lampshade 201 can be freely drawn, and a work with unique characteristics is created.

[0048] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the present application claims and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A smart folding light music humidifier comprising a lower base (1), characterized in that: The top end of the lower base (1) is provided with a folding mechanism (2) capable of automatic lifting, and the top end of the folding mechanism (2) is provided with an upper base (3), and the middle part of the upper base (3) is provided with an opening and closing mechanism (4) capable of cooperating with a humidifying device.

2. The intelligent foldable light music humidifier as claimed in claim 1, wherein, The lower base (1) comprises a first drawer (101), a Bluetooth module (103) is fixedly installed on one side of the inside of the first drawer (101), a loudspeaker (105) is fixedly installed on one side of the middle part of the first drawer (101), an ASR-PRO intelligent offline language recognition module (106) is fixedly installed on the side of the first drawer (101) away from the Bluetooth module (103), a first cavity (3011) is formed in the lower part of the upper base (3), a second drawer (301) is slidably clamped in the inside of the first cavity (3011), a humidifying container (302) is fixedly installed on the middle part of the second drawer (301), a sponge (303) is fixedly installed on the middle part of the humidifying container (302), an atomizing sheet (304) is installed on the top end of the sponge (303), a double-spray atomization module (305) is fixedly installed on one side of the inside of the second drawer (301), and a No. 5V battery box (306) is fixedly installed on the side of the inside of the second drawer (301) close to the double-spray atomization module (305).

3. The intelligent foldable light music humidifier as claimed in claim 1, wherein, The folding mechanism (2) comprises a folding lampshade (201), the bottom end of the folding lampshade (201) is fixedly installed on the top end of the lower base (1), the top end of the folding lampshade (201) is fixedly installed on the bottom end of the upper base (3), a fixing seat (205) is fixedly installed on the top end of the lower base (1), four first gears (203) are uniformly distributed and rotatably installed on the upper part of the fixing seat (205), a second gear (204) is rotatably installed on the top end of the lower base (1), the four first gears (203) are in meshing connection with the second gear (204), a first support rod (207) is fixedly installed on one side of each of the four first gears (203), a second support rod (208) is movably installed on one end of each of the four first support rods (207), a support plate (209) is fixedly installed on the bottom end of the upper base (3), one end of each of the four second support rods (208) is movably installed on the outside of the middle part of the support plate (209), and one side of one of the first gears (203) is provided with a driving assembly.

4. The intelligent foldable light music humidifier as claimed in claim 1, wherein, The opening and closing mechanism (4) comprises a shell (401), a second cavity (4011) is formed in the upper portion of the upper base (3), the shell (401) is fixedly installed in the middle portion of the second cavity (4011), a No. 2 motor (403) is fixedly installed on one side of the upper portion of the upper base (3), a No. 2 gear (404) is arranged at the top end of the No. 2 motor (403), the No. 2 gear (404) is fixedly installed at the driving end of the No. 2 motor (403), a No. 1 gear (402) is rotatably installed on the outer side of the middle portion of the shell (401), the No. 1 gear (402) is engaged with the No. 2 gear (404), a plurality of swing rods (408) arranged in an annular array are fixedly installed on the lower portion of the No. 1 gear (402), a plurality of turnover plates (405) arranged in an annular array are arranged on the middle portion of the shell (401), a rotating rod (406) is fixedly installed on one side of the middle portion of each of the plurality of turnover plates (405), the rotating rod (406) is rotatably installed on the middle portion of the shell (401), a fixed rod (407) is fixedly installed on one end of the rotating rod (406), a sliding groove (4071) is formed in the middle portion of the fixed rod (407), and the swing rod (408) is slidably arranged in the middle portion of the sliding groove (4071).

5. The intelligent foldable light music humidifier as claimed in claim 2, wherein, The inside of the first drawer (101) is fixedly installed with a No. 5V battery box (104), and the No. 5V battery box (104) is used in cooperation with an ASR-PRO intelligent offline language recognition module (106).

6. The intelligent foldable light music humidifier as claimed in claim 1, wherein, Small holes (102) are formed in the opposite sides of the lower base (1) and the upper base (3).

7. The intelligent foldable light music humidifier as claimed in claim 3, wherein, The driving assembly comprises a No. 1 motor (202), the No. 1 motor (202) is fixedly installed on one side of the top end of the lower base (1), and one end of the middle portion of one of the first gears (203) is fixedly installed on the driving end of the No. 1 motor (202).

8. The intelligent foldable light music humidifier as claimed in claim 3, wherein, The middle portion of the fixing seat (205) is provided with a groove (206).

9. The intelligent foldable light music humidifier as claimed in claim 3, wherein, The inside of the folding lampshade (201) is fixedly installed with a plurality of WS2812 lamp strips (210) arranged at equal intervals.

10. The intelligent foldable light music humidifier as claimed in claim 4, wherein, The upper portion of the upper base (3) is fixedly installed with a fixing frame (409), and the middle portion of one side of each of the plurality of turnover plates (405) is rotatably installed in the middle portion of the fixing frame (409).

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