Plastic flowerpot adopting water-controlled automatic rotation

Abstract

The invention belongs to the field of plastic flowerpots, and discloses a water-controlled automatic rotating plastic flowerpot which comprises a flowerpot body, a placement pot movably arranged on the inner wall of the flowerpot body, an adjusting device movably arranged on the inner wall of the flowerpot body, a rotating device movably arranged on the inner wall of the adjusting device, and a transmission device fixedly arranged on one side of the upper portion of the adjusting device. A water supplementing device is fixedly arranged on one side of the inner wall of the flowerpot, one side of the transmission device is in gear adaptive connection with one side of the water supplementing device, and a water inlet is formed in one side of the flowerpot; the flowerpot solves the problems that in the prior art, a traditional flowerpot needs to be manually operated during watering, precise control is difficult to achieve, light receiving is uneven due to the fact that plants cannot automatically rotate in the growth process, and the overall growth situation of the plants is affected, and is suitable for flowerpots.

Description

Technical Field

[0001] The invention relates to the technical field of plastic flower pots, in particular to a water-controlled automatic rotating plastic flower pot. Background Art

[0002] In modern gardening and flower planting, flower pots are indispensable containers. However, traditional flower pots have many limitations. Most ordinary flower pots only have the simple function of containing soil and plants, and lack intelligent design elements. In terms of watering, it is completely dependent on manual operation, and it is difficult to accurately control the amount and frequency of watering. Often due to manual misjudgment, either too much watering causes the roots of plants to rot due to lack of oxygen, or too little watering causes the plants to grow poorly or even wither due to lack of water. Moreover, in terms of the uniformity of plant light, traditional flower pots cannot automatically adjust the direction of the plant. If the plant is fixed in one direction for a long time to receive light, it will cause its branches and leaves to grow unevenly, with lush growth on the light side and sparse growth on the backlight side, which seriously affects the beauty and healthy growth of the plant and reduces its ornamental value. In addition, for some busy flower lovers or people who lack professional gardening knowledge, it is difficult to ensure timely and reasonable maintenance of plants.

[0003] As people's requirements for quality of life and gardening aesthetics continue to improve, there is an urgent need for an intelligent plastic flower pot that can overcome the above problems and integrates multiple functions such as automatic watering and automatic rotation for uniform light reception. Summary of the invention

[0004] The present invention aims to provide a plastic flowerpot that uses water control and automatic rotation to solve the problem that traditional flowerpots in the prior art require manual operation when watering and are difficult to achieve precise control, and the plants cannot rotate automatically during the growth process, resulting in uneven light reception, which affects the overall growth trend of the plants.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] The technical solution provided by the present invention is: a plastic flower pot with water control and automatic rotation, comprising a flower pot, a pot placement device is movably provided on the inner wall of the flower pot, an adjustment device is movably provided on the inner wall of the flower pot, a rotating device is movably provided on the inner wall of the adjustment device, a transmission device is fixedly provided on one side above the adjustment device, a water replenishing device is fixedly provided on one side of the inner wall of the flower pot, one side of the transmission device is adapted to be connected with a gear on one side of the water replenishing device, and a water inlet is provided on one side of the flower pot;

[0007] The inner wall of the flower pot is provided with a rotating groove opening upward;

[0008] A placing ring is fixedly arranged on the outside of the placing basin, and a rotating bearing is evenly arranged below the placing ring. The ball in the rotating bearing is movably adapted to the inner wall of the rotating groove. An upper preventing ring is fixedly arranged on the outer wall of the placing basin, and a placing gear is fixedly arranged below the upper preventing ring. A number of water absorption holes are evenly arranged below the placing basin.

[0009] The adjusting device comprises a plurality of adjusting springs fixedly installed below the inner wall of the flower pot, a waterproof cylinder is fixedly provided on the outer wall of the adjusting spring, an adjusting basin is fixedly provided above the adjusting spring, a tooth groove is provided on one side of the outer wall of the adjusting basin, a water stop ring is provided above the inner wall of the adjusting basin, and an adjusting threaded cylinder penetrating the adjusting basin is fixedly provided on the inner wall of the water stop ring;

[0010] The rotating device includes a rotating threaded rod threadably adapted to be installed on the inner wall of the adjusting threaded cylinder, a cross rod is fixedly provided above the rotating threaded rod, a rotating gear is fixedly provided above the cross rod, a lower preventing ring is adapted to be provided below the rotating gear, the lower preventing ring is fixedly connected to the upper preventing ring and a gear groove is formed in the middle, and a rotating gear is fixedly provided above the lower preventing ring, and the rotating gear meshes with the placement gear.

[0011] Furthermore, the transmission device includes a transmission plate fixedly mounted on one side of the outer wall of the adjustment basin, a plurality of transmission teeth are evenly arranged on one side above the transmission plate, and a plurality of transmission teeth are also arranged below the other side of the transmission plate and mesh with the teeth in the tooth groove of the outer wall of the adjustment basin.

[0012] Furthermore, the water replenishing device includes a fixed plate fixedly installed on one side of the inner wall of the flowerpot, a fixed rod movably provided in the fixed plate, a sealing plate fixedly provided below the fixed rod, the sealing plate is adapted to the water inlet, a fixed shaft is fixed above the fixed rod, a transmission shaft is movably provided on the inner wall of the fixed shaft, a driven gear is fixedly provided at one end of the transmission shaft, and the driven gear is meshed with the transmission tooth gear.

[0013] Furthermore, a plurality of exhaust holes are evenly arranged on the side of the flower pot.

[0014] Furthermore, the top edge of the flower pot is provided with a lip extending outwards, the width of the lip is 1-2 cm, so that the placement ring is placed above the lip.

[0015] Furthermore, the flower pot is made of polypropylene material, and the thickness of the side wall of the flower pot is 2-5 mm.

[0016] The beneficial effects of this technical solution are:

[0017] (1) The water level changes drive the regulating device, which in turn drives the rotating device to automatically rotate the placement pot. This design allows the plants to receive light evenly, avoiding the plant growth biased to one side due to long-term unidirectional light exposure, making the plant branches and leaves grow more balanced and symmetrical, which is beneficial to plant photosynthesis, improving plant growth efficiency and health, and also enhancing the ornamental value of the plant. It is of great significance both in home gardening and commercial flower display.

[0018] (2) The transmission device and the water replenishment device are linked to automatically control the opening and closing of the water inlet to replenish water according to the change of the water level in the basin. Accurate water replenishment control can ensure that the plants are always in a suitable moisture environment, avoiding the adverse effects of excessive or insufficient watering on plant growth. Excessive water may cause root rot, while insufficient water will cause the plants to wither due to lack of water. The automatic water replenishment function not only reduces the tediousness of manual management, but also provides stable growth conditions for plants. It is especially suitable for busy office workers or people who lack professional gardening knowledge.

[0019] (3) The various components of the entire flower pot are compactly designed and cleverly cooperate with each other. The placement pot realizes the rotation function by cooperating with the rotation groove on the inner wall of the flower pot through the rotation bearing, and the rotation power is transmitted by the meshing of the placement gear and the rotation gear; the adjustment device generates pressure through the remaining water volume, so that the adjustment pot can move according to the pressure, and the pressure on the adjustment spring can be used to close the water inlet when there is enough water and to open the water inlet when there is not enough water. It can not only sense the water level change but also provide a power source for the rotation device when replenishing and closing the water, and work in coordination with the transmission device and the water replenishing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of a plastic flower pot that automatically rotates by water control proposed by the present invention;

[0021] Figure 2 This is a schematic cross-sectional structure diagram of a plastic flower pot that uses water control and automatic rotation, as proposed by the present invention;

[0022] Figure 3 This is a schematic diagram of the overall cross-sectional structure of a plastic flower pot that adopts water-controlled automatic rotation proposed by the present invention;

[0023] Figure 4 This is one of the schematic diagrams of the split cross-section structure of a plastic flower pot that adopts water-controlled automatic rotation proposed by the present invention;

[0024] Figure 5 This is a second schematic diagram of the split cross-sectional structure of a plastic flower pot that adopts water-controlled automatic rotation proposed by the present invention;

[0025] Figure 6 for Figure 4 A schematic diagram of the structure enlargement in the middle;

[0026] Figure 7 for Figure 5 Enlarged schematic diagram of the structure at point B in the middle.

[0027] The names of the corresponding marks in the accompanying drawings are: 1. flower pot; 2. placing pot; 3. adjusting device; 4. rotating device; 5. transmission device; 6. water replenishing device; 7. exhaust hole; 8. lip; 9. water inlet; 101. rotating groove; 201. placing ring; 202. rotating bearing; 203. upper preventing ring; 204. placing gear; 205. water suction hole; 301. adjusting spring; 302. waterproof cylinder; 303. adjusting pot; 304. water stop ring; 305. adjusting threaded cylinder; 401. rotating threaded rod; 402. cross rod; 403. lower preventing ring; 404. rotating gear; 501. transmission plate; 502. transmission clamping gear; 601. fixing plate; 602. fixing rod; 603. sealing plate; 604. fixing shaft; 605. transmission shaft; 606. driven gear. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] The specific implementation process is as follows:

[0030] Embodiment 1:

[0031] See also Figure 1-7The present invention provides a technical solution: a plastic flower pot with water-controlled automatic rotation, comprising a flower pot 1, the flower pot 1 is made of polypropylene material, and the side wall thickness of the flower pot 1 is 2-5 mm, the inner wall of the flower pot 1 is provided with a rotating groove 101 with an opening upward, a placing pot 2 is movably installed on the inner wall of the flower pot 1, a placing ring 201 is fixedly installed on the outer side of the placing pot 2, and a rotating bearing 202 is evenly installed under the placing ring 201, and the ball in the rotating bearing 202 is movably adapted to the inner wall of the rotating groove 101, so that the placing pot 2 can be flexibly rotated in the flower pot 1, and an upper preventing ring 203 is fixedly installed on the outer wall of the placing pot 2, and the upper preventing ring 203 is fixedly installed on the outer wall of the placing pot 2. A placement gear 204 is fixedly installed below the stop ring 203, and a plurality of water absorption holes 205 are evenly opened below the placement pot 2. The water absorption holes 205 facilitate the soil in the placement pot 2 to absorb water from the adjustment pot 303. An adjustment device 3 is movably installed on the inner wall of the flower pot 1. The adjustment device 3 includes a plurality of adjustment springs 301 fixedly installed below the inner wall of the flower pot 1. A waterproof cylinder 302 is fixedly installed on the outer wall of the adjustment spring 301. An adjustment pot 303 is fixedly installed above the adjustment spring 301. The adjustment pot 303 is filled with water. A water stop ring 304 is installed above the inner wall of the adjustment pot 303. The inner wall of the water stop ring 304 is fixedly installed with a penetrating The adjusting threaded cylinder 305 of the adjusting basin 303, the rotating device 4 is movably installed on the inner wall of the adjusting device 3, the rotating device 4 includes a rotating threaded rod 401 threadedly adapted to be installed on the inner wall of the adjusting threaded cylinder 305, a cross rod 402 is fixedly installed above the rotating threaded rod 401, a rotating gear 404 is fixedly installed above the cross rod 402, a lower preventing ring 403 is adapted to be installed below the rotating gear 404, the lower preventing ring 403 is fixedly connected to the upper preventing ring 203 and a gear groove is formed in the middle, the lower preventing ring 403 is fixedly installed above, the rotating gear 404 is meshed with the placement gear 204, when the adjusting basin 30 When moving up and down, due to the thread matching relationship, the rotating threaded rod 401 will rotate according to the thread of the inner wall of the adjusting threaded cylinder 305, and then the placement pot 2 is driven to rotate through the meshing of the rotating gear 404 and the placement gear 204, so as to realize the automatic rotation function of the plants in the placement pot 2. A plurality of exhaust holes 7 are evenly opened on the side of the flower pot 1, and a lip 8 extending outward is installed on the top edge of the flower pot 1. The width of the lip 8 is 1-2 cm, so that the placement ring 201 is placed above the lip 8. A water inlet 9 is opened on one side of the flower pot 1, and the water inlet 9 can be connected to a water source such as a faucet through a hose to meet the water replenishment.

[0032] The specific implementation process is as follows:

[0033] When there is water in the regulating basin 303, pressure is applied to the regulating basin 303 by the gravity of the water itself. When the water is slowly absorbed by the soil in the basin 2, the water in the regulating basin 303 will produce a pressure change. This change transmits the pressure to the regulating spring 301, causing the regulating spring 301 to deform. As the water in the regulating basin 303 is absorbed, the pressure is reduced, thereby causing the regulating basin 303 to rise. During the rising process of the regulating basin 303, the rotating threaded rod 401 is driven to rotate. The rotating threaded rod 401 rotates according to the adjusting threaded cylinder 305 on the inner wall of the regulating basin 303 and due to the upper preventing ring 203 and the lower preventing ring 203, the rotating threaded rod 401 rotates. The fixed connection of the stop ring 403 prevents the rotating threaded rod 401 from moving up and down, and the rotation of the rotating threaded rod 401 can drive the rotating gear 404 to rotate through the cross rod 402, and then drive the placement gear 204 to rotate through the rotating gear 404. The placement gear 204 is fixedly installed on the outer wall of the placement basin 2. Therefore, the placement basin 2 can be rotated through the transmission of the gear. At this time, the rotating bearing 202 arranged under the placement ring 201 rotates and slides in the rotating groove 101, which can minimize the resistance encountered by the placement basin 2 during rotation, allowing it to rotate more easily.

[0034] Embodiment 2:

[0035] See also Figure 1-7The present invention provides a technical solution: a plastic flower pot with water-controlled automatic rotation, comprising a flower pot 1, the flower pot 1 is made of polypropylene material, and the side wall thickness of the flower pot 1 is 2-5 mm, the inner wall of the flower pot 1 is provided with a rotating groove 101 with an opening upward, a placing pot 2 is movably installed on the inner wall of the flower pot 1, a placing ring 201 is fixedly installed on the outer side of the placing pot 2, a rotating bearing 202 is evenly installed below the placing ring 201, the ball in the rotating bearing 202 is movably adapted to the inner wall of the rotating groove 101, an upper preventing ring 203 is fixedly installed on the outer wall of the placing pot 2, a placing gear 204 is fixedly installed below the upper preventing ring 203, a plurality of water absorption holes 205 are evenly opened below the placing pot 2, an adjusting device 3 is movably installed on the inner wall of the flower pot 1, and the adjusting device 3 includes a fixedly installed A plurality of adjusting springs 301 are arranged below the inner wall of the flower pot 1, a waterproof cylinder 302 is fixedly installed on the outer wall of the adjusting spring 301, an adjusting basin 303 is fixedly installed above the adjusting spring 301, a water stop ring 304 is installed above the inner wall of the adjusting basin 303, an adjusting threaded cylinder 305 penetrating the adjusting basin 303 is fixedly installed on the inner wall of the water stop ring 304, a rotating device 4 is movably installed on the inner wall of the adjusting device 3, the rotating device 4 comprises a rotating threaded rod 401 threadably adapted to be installed on the inner wall of the adjusting threaded cylinder 305, a cross rod 402 is fixedly installed above the rotating threaded rod 401, a rotating gear 404 is fixedly installed above the cross rod 402, a lower preventing ring 403 is adapted to be installed below the rotating gear 404, the lower preventing ring 403 is fixedly connected to the upper preventing ring 203 and forms a Gear groove, fixedly installed above the lower preventing ring 403, the rotating gear 404 is meshed with the placing gear 204, a transmission device 5 is fixedly installed on one side above the adjusting device 3, the transmission device 5 includes a transmission plate 501 fixedly installed on one side above the adjusting basin 303, a plurality of transmission latches 502 are evenly installed on one side above the transmission plate 501, a plurality of transmission latches 502 are also installed below the other side of the transmission plate 501 and meshed with the latches in the latch groove on the outer wall of the adjusting basin 303, a water replenishing device 6 is fixedly installed on one side of the inner wall of the flower pot 1, the water replenishing device 6 includes a fixed plate 601 fixedly installed on one side of the inner wall of the flower pot 1, a fixed rod 602 is movably installed in the fixed plate 601, a sealing plate 603 is fixedly installed below the fixed rod 602, and the sealing plate 603 is connected to the water inlet 9 is adapted, a fixed shaft 604 is fixedly installed above the fixed rod 602, a transmission shaft 605 is movably installed on the inner wall of the fixed shaft 604, a driven gear 606 is fixedly installed on one end of the transmission shaft 605, and the driven gear 606 is gear-engaged with the transmission card tooth 502. When the regulating basin 303 moves up and down due to the change of water level, the transmission plate 501 moves synchronously therewith, and its transmission card tooth 502 will mesh with the driven gear 606 of the water replenishing device 6, thereby realizing the transmission of power and providing a power source for the start of the water replenishing device 6. When the transmission plate 501 moves, the transmission shaft 605 is driven to rotate through the gear transmission, thereby making the fixed rod 602 move up and down, realizing the opening and closing operation of the sealing plate 603 on the water inlet 9, thereby completing the automatic water replenishment function.One side of the transmission device 5 is connected with the gear on one side of the water replenishment device 6. A plurality of exhaust holes 7 are evenly provided on the side of the flower pot 1. A lip 8 extending outward is installed on the top edge of the flower pot 1. The width of the lip 8 is 1-2 cm, so that the placement ring 201 is placed above the lip 8. A water inlet 9 is provided on one side of the flower pot 1. The water inlet 9 can be connected to a water source such as a faucet through a hose. Due to the addition of the transmission device 5 and the water replenishment device 6, a water source such as a faucet can be in a normally open state, and the flower pot can automatically replenish water and rotate according to its own water volume, thereby satisfying the conditions for water replenishment control rotation.

[0036] The specific implementation process is as follows:

[0037] Compared with the first embodiment, a transmission device 5 and a water replenishing device 6 are added, so that it can automatically replenish water while satisfying the rotation, and the rotation angle is adjusted according to the weight of the water during the automatic water replenishment process. When there is a water source in the adjustment basin 303, the gravity of the water source itself applies pressure to the adjustment basin 303. When the water source is slowly absorbed by the soil in the basin 2, the water source in the adjustment basin 303 will produce a pressure change. This change transmits the pressure to the adjustment spring 301, causing the adjustment spring 301 to deform, and due to the adjustment basin 303, the pressure in the adjustment basin 303 will change. The water source is absorbed and the pressure is reduced, so that the regulating basin 303 rises, and during the rising process of the regulating basin 303, the rotating threaded rod 401 is driven to rotate. The rotating threaded rod 401 rotates according to the adjusting threaded cylinder 305 on the inner wall of the regulating basin 303, and due to the fixed connection between the upper preventing ring 203 and the lower preventing ring 403, the rotating threaded rod 401 will not move up and down, and the rotation of the rotating threaded rod 401 can drive the rotating gear 404 to rotate through the cross rod 402, and then drive the placement gear 404 through the rotating gear 404. 204 rotates, and the placement gear 204 is fixedly installed on the outer wall of the placement basin 2. Therefore, the placement basin 2 can be driven to rotate through the transmission of the gear. At this time, the rotation bearing 202 arranged below the placement ring 201 rotates and slides in the rotation groove 101, which can minimize the resistance encountered by the placement basin 2 during the rotation process, so that it can be rotated more easily. At the same time, the rise of the adjustment basin 303 also drives the transmission latch 502 on one side of the transmission plate 501 to move down according to the latch groove on the outer wall of the adjustment basin 303. The transmission plate 501 descends, and the transmission tooth 502 on the upper side meshes with the driven gear 606. The descending of the transmission plate 501 drives the transmission shaft 605 on the upper side of the transmission plate 501 to rotate and rise, and the fixing rod 602 drives the sealing plate 603 to rise, and the water inlet 9 is opened, and water replenishment starts to make the water level in the regulating basin 303 rise. The rising water level in the regulating basin 303 causes the pressure to increase, so that the regulating spring 301 moves downward, and the rotating device 4 and the transmission device 5 act in the opposite direction, closing the water inlet 9, stopping water replenishment, and the placement basin 2 will also rotate in the opposite direction by a certain angle.

[0038] The above is only an embodiment of the present invention, and the common knowledge such as the known specific technical solutions or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the technical solution of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A plastic flower pot that automatically rotates by water control, characterized in that: The invention comprises a flower pot (1), wherein a placing basin (2) is movably provided on the inner wall of the flower pot (1), an adjusting device (3) is movably provided on the inner wall of the flower pot (1), a rotating device (4) is movably provided on the inner wall of the adjusting device (3), a transmission device (5) is fixedly provided on one side above the adjusting device (3), a water replenishing device (6) is fixedly provided on one side of the inner wall of the flower pot (1), one side of the transmission device (5) is gear-adaptively connected to one side of the water replenishing device (6), and a water inlet (9) is provided on one side of the flower pot (1); The inner wall of the flower pot (1) is provided with a rotating groove (101) opening upward; A placement ring (201) is fixedly provided on the outside of the placement basin (2), a rotating bearing (202) is evenly provided below the placement ring (201), a ball in the rotating bearing (202) is movably adapted to the inner wall of the rotating groove (101), an upper preventing ring (203) is fixedly provided on the outer wall of the placement basin (2), a placement gear (204) is fixedly provided below the upper preventing ring (203), and a plurality of water absorption holes (205) are evenly provided below the placement basin (2); The adjusting device (3) comprises a plurality of adjusting springs (301) fixedly mounted below the inner wall of the flower pot (1); a waterproof tube (302) is fixedly mounted on the outer wall of the adjusting spring (301); an adjusting basin (303) is fixedly mounted above the adjusting spring (301); a tooth groove is provided on one side of the outer wall of the adjusting basin (303); a water stop ring (304) is provided above the inner wall of the adjusting basin (303); and an adjusting threaded tube (305) penetrating the adjusting basin (303) is fixedly mounted on the inner wall of the water stop ring (304); The rotating device (4) comprises a rotating threaded rod (401) threadably adapted to be installed on the inner wall of the adjusting threaded cylinder (305); a cross rod (402) is fixedly provided above the rotating threaded rod (401); a rotating gear (404) is fixedly provided above the cross rod (402); a lower preventing ring (403) is adapted to be provided below the rotating gear (404); the lower preventing ring (403) is fixedly connected to the upper preventing ring (203) and a gear groove is formed in the middle; a rotating gear (404) is fixedly provided above the lower preventing ring (403) and meshes with the placing gear (204).

2. The water-controlled automatic rotating plastic flower pot according to claim 1, characterized in that: The transmission device (5) comprises a transmission plate (501) fixedly mounted on one side of the outer wall of the adjustment basin (303); a plurality of transmission latch teeth (502) are evenly arranged on one side above the transmission plate (501); a plurality of transmission latch teeth (502) are also arranged on the lower side of the other side of the transmission plate (501) and mesh with the latch teeth in the latch tooth groove of the outer wall of the adjustment basin (303).

3. The water-controlled automatic rotating plastic flower pot according to claim 2, characterized in that: The water replenishing device (6) comprises a fixing plate (601) fixedly mounted on one side of the inner wall of the flower pot (1); a fixing rod (602) is movably provided inside the fixing plate (601); a sealing plate (603) is fixedly provided below the fixing rod (602); the sealing plate (603) is adapted to the water inlet (9); a fixing shaft (604) is fixedly provided above the fixing rod (602); a transmission shaft (605) is movably provided on the inner wall of the fixing shaft (604); a driven gear (606) is fixedly provided at one end of the transmission shaft (605); and the driven gear (606) is meshed with the transmission gear (502).

4. The water-controlled automatic rotating plastic flower pot according to claim 1, characterized in that: A plurality of exhaust holes (7) are evenly arranged on the side of the flower pot (1).

5. The water-controlled automatic rotating plastic flower pot according to claim 1, characterized in that: The top edge of the flower pot (1) is provided with a lip (8) extending outward, and the placement ring (201) is placed above the lip (8).

6. The water-controlled automatic rotating plastic flower pot according to claim 1, characterized in that: The flower pot (1) is made of polypropylene material.

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