CN216058403U - Perpendicular view building structure - Google Patents

Abstract

The utility model innovatively provides a vertical landscape building structure, which comprises a supporting panel arranged on a wall body, wherein a plurality of mounting holes are uniformly formed in the supporting panel, flower pots are arranged on the mounting holes, water supply holes are formed above the mounting holes, a water supply pipe is connected in the water supply holes in a sliding manner, a water outlet is formed in the water supply pipe, a limiting groove is further formed in the supporting panel, the limiting groove is communicated with the water supply holes, a fixing hole communicated with the mounting holes is formed in the limiting groove, a limiting plate and a limiting spring are arranged in the limiting groove, the limiting plate is arranged in parallel to the supporting panel, one end, far away from the limiting spring, of the limiting plate penetrates through the fixing hole and extends into the mounting hole, an outward-facing inclined surface is arranged on the limiting plate arranged in the mounting hole, and after the supporting panel is mounted in the flower pot, the water supply pipe automatically extends out to supply water for the flowerpot.

Description

Perpendicular view building structure

Technical Field

The utility model relates to the technical field of landscape buildings, in particular to a vertical landscape building structure.

Background

The vertical landscape has the functions of protecting and beautifying the environment; in the campus, in order to increase the greening area of the campus and reduce the occupied area of greening, a vertical landscape can be adopted, so that more green concrete can be used for replacing the working well, and the campus is full of vitality and vitality; the vertical landscapes in the prior art all adopt simple frames, flowerpots are fixed on the frames, and green plants and soil thereof are placed in the flowerpots, so that the green plants are fixed on a vertical wall surface; the position of swimming lake flowerpot is fixed and can't be dismantled, and in the view design process, the design is comparatively single, lacks the aesthetic feeling.

SUMMERY OF THE UTILITY MODEL

In view of the shortcomings of the prior art, the present invention is directed to a vertical landscape architecture for overcoming the above-mentioned shortcomings of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a vertical landscape building structure comprises a supporting panel arranged on a wall body, wherein a plurality of mounting holes are uniformly formed in the supporting panel, flowerpots are arranged on the mounting holes, water supply holes are formed above a plurality of mounting holes, a water supply pipe is connected in the water supply holes in a sliding manner, a water outlet is formed in the water supply pipe, a limiting groove is further formed in the supporting panel and communicated with the water supply holes, fixing holes communicated with the mounting holes are formed in the limiting groove, a limiting plate and a limiting spring are arranged in the limiting groove, the limiting plate is arranged in parallel to the supporting panel, one end of the limiting spring is pressed against the upper end of the limiting groove, the other end of the limiting spring is pressed against the limiting plate, one end, far away from the limiting spring, of the limiting plate penetrates through the fixing holes and extends into the mounting holes, an inclined surface facing outwards is arranged on the limiting plate in the mounting holes, the water supply device is characterized in that a limiting hole is further formed in the limiting plate, the limiting hole is communicated with the water supply hole, the diameter of the limiting hole is larger than that of the water supply hole, a fixing block is further arranged at the upper end of the outer side of the water supply pipe, a connecting surface and a limiting surface are arranged on the fixing block, the connecting surface is fixedly connected with the water supply pipe, the limiting surface inclines towards the side where the water supply hole is located, the height of the fixing block is gradually reduced from the side far away from the supporting panel to the side close to the supporting panel, the limiting surface abuts against the inner wall of the limiting hole, a reset tension spring is further arranged on the supporting panel, one end of the reset tension spring abuts against the supporting panel, the other end of the reset tension spring is fixedly connected onto the water supply pipe, and the reset spring applies horizontal force to the water supply pipe so that the water supply pipe resets towards the side of the water supply hole.

Preferably, the water supply pipe is circumferentially provided with an annular groove matched with the inner side wall of the limiting hole.

Preferably, one side of the fixed block is provided with a limiting block, the limiting block and the supporting panel are symmetrically arranged on two sides of the fixed block, and the height of the limiting block is larger than that of the fixed block.

Preferably, the supporting panel is provided with a clamping groove which is communicated with the mounting hole, the supporting panel is also provided with a plurality of flowerpots, the flowerpots are provided with mounting grooves for placing green plants and fixing components, the fixing components comprise connecting rods, fixing parts and adjusting parts, the connecting rods are inserted into the mounting holes, the mounting grooves and the fixing parts are respectively arranged at two ends of the connecting rods, the fixing parts comprise a plurality of sector plates which take the central line of the connecting rods as a circle center annular array, the adjusting parts comprise movable rods, a plurality of driving rods, a plurality of sliding blocks, a plurality of sliding rails and a plurality of fixed rods, the movable rods are arranged in parallel to the connecting rods and are connected in the connecting rods in a sliding manner, and the sliding rails are arranged at one ends of the connecting rods by taking the central line of the connecting rods as a circle center annular array, a plurality of the slide rail is all through dead lever and connecting rod fixed connection, and a plurality of the slide rail is all perpendicular mutually with the connecting rod, a plurality of the slider slides and sets up in the slide rail, a plurality of the slider is fixed connection respectively on the sector plate, a plurality of the one end of actuating lever articulates respectively on the slider, a plurality of the other end of actuating lever all articulates on the movable rod, a plurality of the actuating lever uses the connecting rod central line as centre of a circle annular array.

Preferably, one end of the movable rod far away from the driving rod penetrates through the connecting rod and extends onto the flowerpot, a rack is arranged on the lower surface of the movable rod, and a gear meshed with the rack is vertically and rotatably connected to the lower surface of the flowerpot.

Preferably, the gear includes transmission portion and spacing portion, transmission portion is used for meshing mutually with the rack, spacing portion is used for injecing the rotation range of gear, the lower surface of flowerpot is provided with the shell fragment, the one end of shell fragment is rotated and is connected on the flowerpot, just be provided with the torsional spring between shell fragment and the flowerpot, the other end of shell fragment is provided with the rotation stopping portion, the rotation stopping portion supports and presses on the gear.

The utility model has the beneficial effects that: the support panel is provided with a limiting plate, and the installation position of the water supply pipe can be adjusted by utilizing the position relation among the limiting plate, the water supply pipe and the connecting rod; the support panel is provided with a return spring, and the water supply pipe can move to the side of the water supply hole under the action of the return spring after the water supply pipe is separated from the limiting plate by using the return spring; be provided with fixed subassembly on the flowerpot, utilize opening and closing between the sector plate on the fixed subassembly, realize fixed and dismantlement to the flowerpot.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a state diagram of the use of the present invention;

FIG. 3 is a cross-sectional view of the support panel of the present invention;

FIG. 4 is a view showing a structure of a water supply pipe connection of the present invention;

FIG. 5 is a schematic view of the structure of the flowerpot of the present invention;

FIG. 6 is a schematic view of the securing assembly of the present invention;

fig. 7 is a schematic view of the gear structure of the present invention.

Reference numerals: 1. a support panel; 11. mounting holes; 12. a water supply hole; 13. a limiting groove; 131. a fixing hole; 14. a clamping groove; 2. a water supply pipe; 21. a water outlet; 22. a return tension spring; 23. a fixed block; 24. a limiting block; 3. a limiting plate; 31. a limiting spring; 33. a limiting hole; 4. a flower pot; 41. mounting grooves; 42. a fixing assembly; 43. a connecting rod; 44. a fixing member; 441. a sector plate; 45. an adjustment member; 451. a movable rod; 452. a drive rod; 453. a slider; 454. a slide rail; 455. a gear; 456. a transmission section; 457. a limiting part; 458. fixing the rod; 46. a spring plate; 461. a rotation stop part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The embodiments of the utility model will be described in further detail below with reference to the accompanying drawings:

in order to improve the attractiveness of a campus, a vertical landscape is built in the campus, as shown in fig. 1-7, the utility model provides a vertical landscape building structure, which comprises a support panel 1 arranged on a wall body, wherein a plurality of mounting holes 11 are uniformly formed in the support panel 1, flowerpots 4 are arranged on the mounting holes 11, water supply holes 12 are formed above the mounting holes 11, a water supply pipe 2 is connected in the water supply holes 12 in a sliding manner, and a water outlet 21 is formed in the water supply pipe 2; by utilizing the water supply pipe 2 and the water outlet 21, the regular and quantitative watering of green plants can be realized, and the manual maintenance of vertical landscapes is reduced.

As shown in fig. 1, a limiting groove 13 is formed in the support panel 1, the limiting groove 13 is communicated with the water supply pipe 2, a fixing hole 131 communicated with the mounting hole 11 is formed in the limiting groove 13, a limiting plate 3 and a limiting spring 31 are placed in the limiting groove 13, one end of the limiting spring 31 abuts against the upper end of the limiting groove 13, the other end of the limiting spring 31 abuts against the limiting plate 3, and meanwhile, the other end of the limiting plate 3 penetrates through the fixing hole 131 and extends into the mounting hole 11; the limiting plate 3 can move in the vertical direction, so that the limiting plate 3 can enter and exit the mounting hole 11, and meanwhile, the limiting spring 31 is utilized to realize the automatic reset of the limiting plate 3; the limiting plate 3 arranged in the mounting hole 11 is provided with an inclined surface facing outwards, when the flowerpot 4 is inserted into the mounting hole 11, the inclined surface is contacted with the flowerpot 4, and meanwhile, the limiting plate 3 moves upwards under the action of the flowerpot 4.

As shown in fig. 2 and 3, a limiting hole 33 is formed in the limiting plate 3, the limiting hole 33 communicates with the water supply hole 12, and the diameter of the limiting hole 33 is larger than that of the water supply hole 12; the water supply pipe 2 is inserted into the limiting hole 33 and the water supply hole 12 at the same time, the annular groove matched with the inner wall of the limiting hole 33 is arranged in the circumferential direction of the water supply pipe 2, when the inclined plane is inserted into the mounting hole 11, the limiting plate 3 is inserted into the annular groove, and the relative position of the water supply pipe 2 and the limiting plate 3 is prevented from changing by the matching of the annular groove and the limiting plate 3; the upper end of the outer side of the water supply pipe 2 is also provided with a fixed block 23, the fixed block 23 is provided with a connecting surface and a limiting surface, the connecting surface is fixedly connected with the water supply pipe 2, the limiting surface inclines towards the side where the water supply hole 12 is located, and the height of the fixed block 23 is gradually reduced from the side far away from the support panel 1 to the side close to the support panel 1; the limiting surface is pressed against the inner wall of the limiting hole 33; when the limiting plate 3 moves upwards under the action of the flowerpot 4, the limiting plate 3 is separated from the annular groove, and meanwhile, the limiting plate 3 is in contact with the limiting surface; be provided with stopper 24 in one side of fixed block 23, stopper 24 and support panel 1 symmetry set up in the both sides of fixed block 23, and stopper 24 highly is greater than the height of fixed block 23, and the distance of stopper 24 top to delivery pipe 2 bottom is greater than the size of spacing hole 33, utilizes spacing hole 33 and stopper 24's cooperation, avoids the relative movement distance between delivery pipe 2 and the limiting plate 3 too big.

As shown in fig. 2 and 4, two groups of return tension springs 22 are disposed on the support panel 1, one ends of the two groups of return tension springs 22 are pressed against the support panel 1, and the other ends of the two groups of return tension springs 22 are fixedly connected to the water supply pipe 2; when the flowerpot 4 is not installed, the lower end of the limiting plate 3 is inserted into the installation hole 11, and the limiting plate 3 is clamped in the annular groove; when the flowerpot 4 is inserted into the mounting hole 11, the limiting plate 3 moves upwards under the action of the flowerpot 4, the limiting plate 3 is separated from the annular groove and is in contact with the limiting surface, and meanwhile, the water supply pipe 2 obtains a horizontal force under the action of the reset tension spring 22, so that the water supply pipe 2 moves towards the water supply hole 12 to the position that the water outlet 21 is positioned above the flowerpot 4, and watering of the flowerpot 4 is realized; when the flowerpot 4 is taken out of the mounting hole 11, the limiting plate 3 moves downwards to reset under the action of the limiting spring 31 and the gravity of the limiting plate 3; when the limiting plate 3 moves downwards, the inner wall of the limiting hole 33 and the limiting surface move relatively, so that the water supply pipe 2 moves towards the side far away from the water supply hole 12 until the water supply pipe is retracted into the water supply hole 12, and the attractiveness of the supporting panel 1 is improved.

As shown in fig. 1, 5 and 6, a clamping groove 14 is formed in the support panel 1, and the clamping groove 14 is communicated with the mounting hole 11; the flowerpot 4 is provided with a mounting groove 41 for placing green plants and a fixing component 42; the fixing assembly 42 comprises a connecting rod 43, a fixing piece 44 and an adjusting piece 45; the connecting rod 43 is inserted into the mounting hole 11, the mounting groove 41 and the fixing piece 44 are respectively arranged on two sides of the connecting rod 43, the fixing piece 44 comprises four fan-shaped plates 441 in an annular array by taking the central line of the connecting rod 43 as the center of a circle, the four fan-shaped plates 441 are spliced to form a circle, and the spliced circle diameter of the four fan-shaped plates 441 is smaller than that of the mounting hole 11, so that the fixing piece 44 can be smoothly inserted into the mounting hole 11; the adjusting part 45 comprises a movable rod 451, four driving rods 452, four sliding rails 454 and four fixed rods 458, wherein the movable rod 451 is parallel to the connecting rod 43, the movable rod 451 is movably inserted in the center of the connecting rod 43, the sliding rails 454 are arranged in an annular array by taking the center line of the connecting rod 43 as the center of a circle, the sliding rails 454 are perpendicular to the center line of the connecting rod 43, the sliding blocks 453 are slidably connected in the sliding rails 454, meanwhile, the sliding blocks 453 are connected with the movable rod 451 through the driving rods 452, one end of each driving rod 452 is hinged on the corresponding sliding block 453, the other end of each driving rod 452 is hinged on the corresponding movable rod 451, and the four driving rods 452 are arranged in an annular array by taking the center line of the connecting rod 43 as the center of a circle, so that the movement routes of the four driving rods 452 are communicated; the installation position of the slide 453 in the slide rail 454 can be adjusted by changing the position of the movable bar 451 in the connecting bar 43; the slide rail 454 is connected with the connecting rod 43 through a fixing rod 458, so that the driving rod 452 cannot collide with the connecting rod 43 in the movement process of the slide block 453; the slider 453 is fixedly connected to the sector plate 441, the slider 453 moves in the slide rail 454 to open and close the sector plate 441, and when the sector plate 441 opens, the sector plate 441 is disposed in the catching groove 14 to regulate the flowerpot 4 and prevent the connecting rod 43 from being separated from the mounting hole 11.

As shown in fig. 1, 5 and 7, one end of the movable rod 451 is hinged to the four driving rods 452, the other end of the movable rod 451 passes through the connecting rod 43 and extends to the bottom of the mounting groove 41, a rack is arranged on the lower surface of the movable rod 451, a gear 455 engaged with the rack is vertically and rotatably connected to the lower surface of the flowerpot 4, and the position of the movable rod 451 can be adjusted by rotating the gear 455 to open and close the fixing member 44; the gear 455 comprises a transmission part 456 and a limiting part 457, the transmission part 456 is meshed with the gear 455, the limiting part 457 is not provided with the gear 455, the limiting part 457 is used for limiting the movement range of the gear 455, and the slide 453 and the slide rail 454 are prevented from being damaged due to overlarge movement of the movable rod 451; be provided with shell fragment 46 at the lower surface of flowerpot 4, the one end of shell fragment 46 is rotated and is connected on flowerpot 4, is provided with the torsional spring between shell fragment 46 and flowerpot 4, and the other end of shell fragment 46 is provided with to support and presses the portion 461 that splines on gear 455, utilizes the portion 461 that splines, avoids the installation to accomplish the back, and gear 455 rotates, leads to flowerpot 4 to drop, produces the potential safety hazard.

The flowerpot 4 is installed according to the working principle; in the installation process of the flowerpot 4, the connecting rod 43 is inserted into the installation hole 11, when the connecting rod 43 is inserted into the installation hole 11, the connecting rod 43 is in contact with the inclined plane at the lower end of the limiting plate 3, the limiting plate 3 moves upwards under the action of the connecting rod 43, the limiting plate 3 is separated from the annular groove of the water supply pipe 2, meanwhile, the water supply pipe 2 moves towards the side of the water supply hole 12 under the action of the reset spring, the limiting surface on the water supply pipe 2 is in contact with the limiting plate 3, when the limiting block 24 is in contact with the limiting plate 3, the water supply pipe 2 stops moving, the water outlet 21 on the water supply pipe 2 is positioned above the flowerpot 4 installation groove 41, and when a sensor in the water supply pipe 2 detects that the position of the water supply pipe 2 changes, the water supply pipe 2 can supply water to the flowerpot 4 in a timed and quantitative manner; when the connecting rod 43 is completely inserted into the mounting hole 11, the elastic piece 46 is rotated to make the rotation stop part 461 separate from the gear 455, and the gear 455 is rotated, the gear 455 drives the rack to move towards the mounting hole 11 side, so that the movable rod 451 moves towards the fixing part 44 side; when the movable rod 451 moves inwards, the driving rod 452 rotates on the movable rod 451, meanwhile, the driving rod 452 drives the sliding block 453 to move outwards along the direction of the sliding rail 454, the movement of the sliding block 453 drives the movement of the sector plate 441, the sector plate 441 is opened and arranged in the clamping groove 14, the fixing of the flowerpot 4 is realized by the matching of the sector plate 441 and the clamping groove 14, the elastic piece 46 is loosened after the rotation of the gear 455 is completed, the elastic piece 46 is clamped on the gear 455, the elastic piece 46 is utilized, the transmission of the gear 455 due to mistaken touch is avoided, and the flowerpot 4 drops.

The working principle of the flowerpot 4 disassembly is as follows: the elastic sheet 46 is opened, so that the elastic sheet 46 is separated from the gear 455, the gear 455 is rotated, the rack moves outwards under the pure action, the sector plate 441 is contracted to be circular, the flowerpot 4 is pulled, and the connecting rod 43 is taken out of the mounting hole 11; after the flowerpot 4 is taken out, the limiting plate 3 moves downwards into the mounting hole 11 under the action of the limiting spring 31 and the self gravity of the limiting plate 3, the limiting plate 3 moves relative to a limiting surface in the downward movement process, the water supply pipe 2 moves inwards under the action of the limiting plate 3, the water outlet 21 is recovered into the water supply hole 12, and the attractiveness of the vertical landscape building is improved; the flowerpot 4 can be detached, so that the vertical landscape building can be conveniently replanned and maintained.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (6)

1. A vertical landscape building structure comprises a supporting panel (1) arranged on a wall body, and is characterized in that a plurality of mounting holes (11) are uniformly formed in the supporting panel (1), flower pots (4) are arranged on the mounting holes (11), water supply holes (12) are formed above the mounting holes (11), a water supply pipe (2) is connected in the water supply holes (12) in a sliding mode, a water outlet (21) is formed in the water supply pipe (2), a limiting groove (13) is further formed in the supporting panel (1), the limiting groove (13) is communicated with the water supply holes (12), a fixing hole (131) communicated with the mounting holes (11) is formed in the limiting groove (13), a limiting plate (3) and a limiting spring (31) are arranged in the limiting groove (13), the limiting plate (3) is arranged in parallel to the supporting panel (1), one end of the limiting spring (31) is abutted against the upper end of the limiting groove (13), the other end of the limiting spring (31) is abutted against the limiting plate (3), one end, far away from the limiting spring (31), of the limiting plate (3) penetrates through the fixing hole (131) and extends into the mounting hole (11), an outward-facing inclined surface is arranged on the limiting plate (3) arranged in the mounting hole (11), a limiting hole (33) is further arranged on the limiting plate (3), the limiting hole (33) is communicated with the water supply hole (12), the diameter of the limiting hole (33) is larger than that of the water supply hole (12), a fixing block (23) is further arranged at the upper end of the outer side of the water supply pipe (2), a connecting surface and a limiting surface are arranged on the fixing block (23), the connecting surface is fixedly connected with the water supply pipe (2), and the limiting surface is inclined towards the side where the water supply hole (12) is located, the height of fixed block (23) is from keeping away from supporting panel (1) side to being close to supporting panel (1) side and reducing gradually, spacing face supports and presses in spacing hole (33) inner wall, still be provided with extension spring (22) that resets on supporting panel (1), the one end of extension spring (22) that resets supports presses on supporting panel (1), the other end fixed connection of extension spring (22) that resets is on delivery pipe (2), horizontal direction's power is applyed for delivery pipe (2) to reset spring, so that delivery pipe (2) are to the side of supplying water hole (12) and reset.

2. A vertical landscape architecture according to claim 1, wherein the water supply pipe (2) is circumferentially provided with an annular groove matching with the inner side wall of the limiting hole (33).

3. The vertical landscape building according to claim 1, wherein a stopper (24) is arranged at one side of the fixing block (23), the stopper (24) and the support panel (1) are symmetrically arranged at two sides of the fixing block (23), and the height of the stopper (24) is greater than that of the fixing block (23).

4. The vertical landscape building structure according to claim 1, wherein the supporting panel (1) is provided with a clamping groove (14), the clamping groove (14) is communicated with the mounting hole (11), the supporting panel (1) is further provided with a plurality of flowerpots (4), the flowerpots (4) are provided with mounting grooves (41) for placing green plants and fixing components (42), the fixing components (42) comprise connecting rods (43), fixing parts (44) and adjusting pieces (45), the connecting rods (43) are inserted into the mounting hole (11), the mounting grooves (41) and the fixing parts (44) are respectively arranged at two ends of the connecting rods (43), the fixing parts (44) comprise a plurality of sector plates (441) which use the central line of the connecting rods (43) as a circle center annular array, and the adjusting pieces (45) comprise movable rods (451, a plurality of movable rods (451), and a plurality of fixing components (42), A plurality of driving rods (452), a plurality of sliding blocks (453), a plurality of sliding rails (454) and a plurality of fixed rods (458), wherein the movable rod (451) is arranged in parallel with the connecting rod (43), the movable rod (451) is connected in the connecting rod (43) in a sliding manner, the plurality of sliding rails (454) are arranged at one end of the connecting rod (43) in an annular array manner by taking the center line of the connecting rod (43) as the circle center, the plurality of sliding rails (454) are all fixedly connected with the connecting rod (43) through the fixed rods (458), the plurality of sliding rails (454) are all perpendicular to the connecting rod (43), the plurality of sliding blocks (453) are arranged in the sliding rails (454) in a sliding manner, the plurality of sliding blocks (453) are respectively and fixedly connected to the sector plate (441), one ends of the plurality of driving rods (452) are respectively hinged to the sliding blocks (453), and the other ends of the plurality of driving rods (452) are respectively hinged to the movable rod (451), the plurality of driving rods (452) are in annular array by taking the center line of the connecting rod (43) as the circle center.

5. The vertical landscape architecture structure according to claim 4, wherein one end of the movable rod (451) far away from the driving rod (452) extends to the flowerpot (4) through the connecting rod (43), a rack is arranged on the lower surface of the movable rod (451), and a gear (455) engaged with the rack is vertically and rotatably connected to the lower surface of the flowerpot (4).

6. The vertical landscape building according to claim 5, wherein the gear (455) comprises a transmission part (456) and a limiting part (457), the transmission part (456) is used for being meshed with a rack, the limiting part (457) is used for limiting the rotation range of the gear (455), an elastic sheet (46) is arranged on the lower surface of the flowerpot (4), one end of the elastic sheet (46) is rotatably connected to the flowerpot (4), a torsion spring is arranged between the elastic sheet (46) and the flowerpot (4), a rotation stopping part (461) is arranged at the other end of the elastic sheet (46), and the rotation stopping part (461) is pressed against the gear (455).

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