JPH10327690A - Water supply tray for flowerpot - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water supply tray for flowerpots having a simple structure, capable of automatically supplying water to plants through water-supply devices of the flowerpots only by placing the flowerpots on the tray, at the same time capable of simultaneously supplying water to a plurality of flowerpots from a single water storage tank only by placing water-supply devices, enabling the use of containers having various shapes and sizes as the water storage tanks and excellent in generality and handleability. SOLUTION: This water supply tray 1 for flowerpots is composed of a bottom board part 2 to be placed on the opening part at the upper side of a water storage tank, surrounding wall parts 3 stood on the peripheries of the bottom board part 2, hole aprts 4a, 4b bored on the bottom board part 2, through which water-supply devices made of water conducing fibers, etc., which feeds water from the water storage tank to plants in flower pots by means of surface tension are passed, and cylindrical parts 5 whose upper end is fixed at the hole part 4b at the lower side of the bottom board part 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is arranged at an opening on the upper surface of a water storage tank so that water can be automatically supplied to a potted plant planted in a flowerpot or the like by a water supply tool formed of a water-conducting fiber or the like. The present invention relates to a flowerpot watering tray in which various shapes and sizes of containers can be used as a tank.

[0002]

2. Description of the Related Art Conventionally, plants, such as houseplants, which are potted in flowerpots or the like, are placed in workplaces, homes, etc., for the purpose of moisturizing their lives. These flower pots are placed on a tray for flower pots and the like, and the supply of water and the like to the plants is performed by a joule or the like when the soil of the flower pots is dried. Further, Japanese Utility Model Laid-Open No. 1-118646 (hereinafter referred to as "A") has a structure in which water in a water storage tank can be pumped by a pump and a pipe when a timer is set, and a water supply port is provided at a tip of the pipe. Further, there is disclosed an automatic water supply apparatus in which a tray having a water recovery hole is placed on the upper part of a water tank.

[0003]

However, the above-mentioned conventional saucer for a flowerpot and the automatic water supply device have the following problems. With the conventional saucer for flower pots, water cannot be automatically supplied to the plants in the flower pots, so it is necessary to always pay attention to the time of water supply to the plants in the flower pots. Water often withers and weakens or dies plants in flowerpots. In addition, since the water supplied to the flower pots accumulates in the saucer, it is easy to cause root rot of the plants in the flower pot if the drainage in the saucer is neglected, and if the flower pot is large, a great deal of labor is required to drain the water accumulated in the saucer Cost. In addition, the automatic water supply apparatus described in Japanese Patent Publication No. A requires a pump, a timer, and a battery, has a complicated structure, is large in size and weight, and requires a place for storage in comparison with a conventional flowerpot tray, and thus lacks usability. Further, since it is necessary to set a timer, it takes time and effort to change the setting time of the timer depending on various plants, which is inconvenient. Further, the water supply port tends to obstruct the growth of the plant, and it is difficult to set the arrangement position of the water supply port.

The present invention solves the above-mentioned conventional problems. With a simple structure, a plant can be automatically supplied with water through a water supply tool of the plant only by placing the plant, and a plurality of water can be simultaneously supplied from one water storage tank. An object of the present invention is to provide a flowerpot watering tray that can supply water simply by arranging a water supply tool in the flowerpot, and that can be used as a water storage tank in various shapes and sizes and is excellent in versatility and convenience.

[0005]

Means for Solving the Problems In order to solve the above-mentioned conventional problems, a flowerpot watering tray according to the present invention has the following configuration. The flowerpot watering tray according to claim 1 of the present invention,
A bottom plate disposed at the top opening of the water storage tank, a peripheral wall portion erected around the bottom plate, and a water guide for perforating the bottom plate with water from the water storage tank to supply water from the water storage tank to a plant in a flowerpot. And a tubular portion having an upper end fixed to a part or all of the hole below the bottom plate portion. ing. Thereby, while placing the flowerpot watering tray at the opening on the upper surface of the water tank such as a water tank and placing the flowerpot on the upper surface of the bottom plate portion,
By connecting the water storage tank and the flower pot with a water supply tool through the hole formed in the bottom plate, the water in the flower pot can be automatically supplied to the plants in the flower pot by utilizing the surface tension of water. In addition, by inserting one end of each of the plurality of water supply tools into the cylindrical portion to communicate the water storage tank with another flower pot, it is possible to simultaneously supply water from one water storage tank to the plurality of flower pots. By simply inserting a water supply tool with a synthetic resin pipe through the cylindrical part, the synthetic resin pipe can contact the top and bottom of the cylindrical part and prevent the water supply tool from falling out of the cylindrical part due to the frictional resistance. Having. Further, when the water storage tank is larger than the water supply tray, an empty flower pot is arranged in the water storage tank, and the peripheral wall portion of the water supply tray is fitted to the flower pot so that the water storage tank can be used regardless of its size. Having. Here, as a water supply tool, a soft pipe, a water-conducting fiber bundle that is inserted while leaving both ends in the soft pipe, and at least one end that is inserted into the soft pipe so that it can be bent freely, is connected to the end of the soft pipe. A fixed metal filament, a water-conducting fiber such as a string-shaped or band-shaped nonwoven fabric having a water-absorbing property, or the like is used. Also,
As the holes, two or more holes formed in the bottom plate and formed in an arbitrary shape such as a circle, an ellipse, and a polygon are used.

According to a second aspect of the present invention, there is provided a water amount detection tool according to the first aspect, wherein a water amount memory portion and a rod-shaped float having a floating body disposed below the water amount memory portion;
A water amount detection tool having a support portion in which the rod-shaped float is loosely inserted, and a float stopper portion disposed below the support portion, is configured to be detachably fixed to the cylindrical portion. ing. With this, the rod-shaped float of the water amount detector moves up and down in the support part with the change of the water amount in the water storage tank. In addition to being able to detect the amount of water in the water storage tank in which the flowerpot water supply tray is arranged, it has the effect of confirming the amount of water injected when water is injected into the water storage tank and preventing water from overflowing from the water storage tank. In addition, since the water amount detector is detachably fixed to the cylindrical part, the water amount detector is removed when water is supplied to the water storage tank,
It has the effect that water can be supplied from the cylindrical part.
Further, since the floating member is provided at the lower portion of the support portion, it is possible to prevent the floating body from falling out of the support portion due to the floating member and locking the floating body to the support portion when water is injected, making it impossible to check the amount of injected water. It has the action of: Here, the water amount detection tool has a support portion which is fitted, screwed, engaged, or the like, and is detachably fixed to the cylindrical portion.

According to a third aspect of the present invention, there is provided a water amount detecting tool according to the first aspect, which is formed in a cylindrical shape so as to penetrate a predetermined position of the bottom plate portion and detect a water amount of the water storage tank. It has a configuration including a memory portion and a rod-like float insertion portion for inserting a rod-like float having a floating body disposed below the water amount memory portion. Thus, by simply inserting the rod-shaped float into the rod-shaped float insertion portion, the water amount in the water storage tank can be detected by the vertical movement of the rod-shaped float, and the rod-shaped float inserted portion formed in a cylindrical shape serves as a guide for the rod-shaped float. This has the effect of preventing the float from swinging.

According to a fourth aspect of the present invention, in the water amount detecting device according to the second aspect, the water amount detecting device is disposed above the support portion by loosely inserting the water amount memory portion up and down. It has a configuration having a provided guide portion. Accordingly, the water amount memory unit moves up and down by the guide unit in accordance with the change in the water amount in the water storage tank, so that the amount of water in the water storage tank in which the flowerpot water supply tray is arranged can be detected by the amount of protrusion of the water amount memory unit from the guide unit. It has the action of: Further, since the water amount memory portion is loosely inserted into the guide portion, the water amount memory portion can be prevented from being damaged during transportation or the like. Here, as the guide portion, the water amount memory portion can be freely inserted up and down so as to be freely movable, and in order to prevent the whole of the rod-shaped float from jumping out of the guide portion, the size or the shape of the floating body of the rod-shaped float stopped below the guide portion. Is formed. Further, the support portion and the guide portion are fixed by screwing, fitting, engaging, or the like.

[0009]

(Embodiment 1) Hereinafter, a flowerpot watering tray according to Embodiment 1 will be described with reference to the drawings. FIG. 1 is an overall perspective view of a flowerpot water supply tray according to the first embodiment, and FIG. 2 is an exploded perspective view of a main part of a water amount detection tool according to the first embodiment. In FIG. 1, reference numeral 1 denotes a flowerpot watering tray according to the first embodiment, 2 denotes a bottom plate portion of the flowerpot watering tray 1, and 3 denotes a bottom plate portion 2.
4a are holes drilled in the approximate center of the bottom plate 2; 4b are holes drilled in the bottom plate 2;
Is a cylindrical portion connected to the hole 4b and having an upper end fixed below the bottom plate 2. In addition, the hole 4a of the flowerpot watering tray 1
4b and the cylindrical portion 5 may be formed in an arbitrary shape such as an elliptical shape or a polygonal shape in addition to the circular shape, and the number of the hole portions 4b may be one or more depending on the size of the bottom plate portion 2 or the like. May be. Further, the cylindrical portion 5 may be formed in the hole 4a. Further, a locking member made of a rod-shaped material for locking the opening of the upper surface of the water storage tank and the watering tray 1 may be provided on the lower surface of the bottom plate portion 2. The garden pond can also be used as a water storage tank by locking the locking material to the edge of the garden pond.

In FIG. 2, reference numeral 6 denotes a water amount detecting device in the first embodiment, 7 denotes a rod-shaped float of the water amount detecting device 6, 8 denotes a rod-shaped water amount memory portion of the rod-shaped float 7, 8a denotes a predetermined water amount memory portion by coloring or the like. The water amount detecting part 9 formed at the position is disposed at one end of the water amount memory part 8, and the floating body of the rod-shaped float 7 made of a foamed resin or the like having a specific gravity smaller than that of water. The supporting portion 11 is formed in a cylindrical shape that is loosely inserted into the cylindrical portion, and is fitted to any one of the cylindrical portions 5 of the flowerpot water supply tray 1. A rod 11 is provided inside one end of the supporting portion 10. The formed floating stopper 12 is disposed at the other end of the supporting portion 10, and has an outer diameter larger than the diameter of the cylindrical portion 5 of the flowerpot water supply tray 1, and has a threaded portion on the inner peripheral portion. The support-side fixed portion 13 is formed in a cylindrical shape and has a water amount memory portion of the rod-shaped float 7 therein. The guide portion 14 is disposed at one end of the guide portion 13 and is formed in a cylindrical shape having a screw portion on the outer peripheral portion. A guide portion side fixing portion 15 fixed to the side fixing portion 12 by screwing is disposed at an end of the guide portion side fixing portion 14, and has an inner diameter larger than the water amount memory portion 8 and smaller than an outer diameter of the floating body 9. The formed floating body stopper. still,
The support portion 10 is formed in a shape that can be fixed to the tubular portion 5 according to the shape of the tubular portion 5 of the flowerpot water supply tray 1, and instead of being fixed to the tubular portion 5 by fitting, the tubular portion is 5
A screw portion may be formed in the inside of the inside and the outer peripheral portion of the support portion 10 and fixed by screwing or the like. The fixing of the support-side fixing portion 12 and the guide-side fixing portion 14 is not limited to a screw-like shape and fixed by screwing, or a shape in which the guide-side fixing portion 14 and the supporting-portion fixing portion 12 can be fitted. And those fixed by fitting, those fixed by engagement or the like are used. In addition, the water amount detection unit 8a is formed by coloring, engraving, sticking a tape, or the like at a position indicating when the water tank using the water amount detection tool 6 is full and when water is supplied.

An example of use of the flowerpot water supply tray configured as described above will be described below with reference to the drawings.
FIG. 3 is a cross-sectional view of a main part showing a use state of the flowerpot water supply tray according to the first embodiment. In the figure, reference numeral 16 denotes a water tank formed of a fishbowl, an aquarium, a bucket, various containers, and the like in which the flowerpot watering tray 1 is disposed at an upper surface opening, and 17 denotes a bottom plate part 2 of the flowerpot watering tray 1.
The flower pot 18 placed on the top has one end buried in the soil of the flower pot 17 and the other end exposed from below the flower pot 17 through a hole 4a drilled at a substantially central portion of the bottom plate 2. Tank 1
No. 6 is a water supply tool made of a nonwoven fabric having water conductivity soaked in water. In addition, the water amount detection tool 6 is fixed by fitting the support part 10 to the tubular part 5 and detachably fitting to the flower pot water supply tray 1. Hereinafter, the water supply operation of the plant planted in the flower pot 17 placed on the flower pot water supply tray 1 and the water amount detection by the water amount detector 6 will be described. A water tank 16 is provided to the plant via a water supply device 18 having one end buried in the soil of a flowerpot 17.
Water is automatically supplied by the surface tension of the water supply tool 18 immersed in the water. When the water in the water storage tank 16 decreases due to the water supply to the plants planted in the flowerpot 17, the floating body 9 of the rod-shaped float 8 loosely inserted vertically into the support portion 10 and the guide portion 13 of the water amount detector 6 stores the water. Since it floats on the water surface in the tank 16, as shown in FIG. 3, the amount of protrusion of the rod-shaped float 8 from the guide portion 13 changes according to the position of the water surface, and the guide portion 13
By observing the amount of protrusion of the rod-shaped float 8 from the water tank 16
Detects the amount of water inside.

Next, a case where a plurality of water supply tools are used for the flowerpot water supply tray in the first embodiment will be described with reference to the drawings. FIG. 4 is a cross-sectional view of a main part showing a state where a plurality of water supply tools are used for the flowerpot water supply tray according to the first embodiment. In the figure, 19 is a flower pot which communicates with the water tank 16 via a water supply tool, 20 is one end inserted into the tubular portion 5 of the flower pot water supply tray 1 and immersed in the water of the water tank 16, and the other end is a flower pot 19. A water supply device inserted into the soil of the water supply device, 21 is a soft pipe made of a polyethylene pipe or the like of the water supply device 20, 22 is a water-conducting fiber bundle made of a cord-like felt inserted through both ends of the soft pipe 21, 23 is a straight tubular hard pipe made of a metal pipe having substantially the same diameter as the soft pipe 21 inserted through the water-conducting fiber bundle 22 and attached to both ends of the soft pipe 21, and 24 is disposed inside the soft pipe 21 and has an end. A metal wire made of a stainless steel wire that can be easily bent by hand and whose shape can be maintained by fixing the end at the end of the hard pipe 23, and 25 is attached to the end of the hard pipe 23 and End or end of metal wire 24 An auxiliary pipe made of a soft synthetic resin pipe or the like to prevent the injured finger or the like. In addition, as the auxiliary pipe 25, the hard pipe 23, and the soft pipe 21,
A flowerpot water supply tray 1 having a size and shape that can be inserted into the cylindrical portion 5 of the waterpot 1 is used. As shown in FIG. 4, one end of the water supply tool 20 having the water-conducting fiber bundle 22 exposed at both ends is inserted into the tubular portion 5 of the flowerpot water supply tray 1 to be immersed in the water of the water storage tank 16, and Is buried in the soil of the flower pot 19 provided at a position away from the water tank 16, so that the flower pot 19
Plant water in the water storage tank 16 through the water-conducting fiber bundle 22 of the water supply device 20.

[0013] As described above, the flowerpot watering tray according to the first embodiment is configured, so that the flowerpot watering tray is disposed at the upper opening of a water tank such as a water tank, and a plurality of flowerpots and water in the water tank are arranged. Is connected through a water supply tool, whereby water can be automatically supplied to a plurality of flower pots from one water storage tank. In addition, a flowerpot is placed on the bottom plate of the flowerpot watering tray, and a water-absorbent nonwoven fabric or the like that communicates the flowerpot with water in the water tank through a hole drilled substantially at the center of the bottom plate portion of the flowerpot watering tray. By inserting a water supply tool
The plant planted in the flower pot placed on the flower pot water supply tray has an effect that water can be automatically supplied by the surface tension of the water supply tool. In addition, the support portion of the water amount detector can be detachably fitted and fixed to the tubular portion of the flower pot water supply tray,
Since the rod-shaped float of the water amount detector moves up and down according to the amount of water in the water tank, the amount of water in the water tank can be detected simply by looking at the amount of protrusion of the rod-shaped float from the guide and the position of the water amount detection unit. It has the effect that the timing of water supply into the tank can be easily confirmed. Further, since the rod-shaped float is accommodated in the support portion and the guide portion, the rod-shaped float can be prevented from being broken or broken when the water amount detecting device is conveyed. Also,
When water is supplied into the water storage tank, the water supply tank can be supplied with water without removing the flowerpot water supply tray from the upper opening of the water storage tank. Further, since the flowerpot water supply tray has a plurality of tubular portions, a water supply tool is inserted into each tubular portion to communicate the flowerpot and the water tank disposed at a position away from the water tank. It has an effect that a plurality of water supply tools can be fixed to the flower pot water supply tray to supply water from one water storage tank to a plurality of flower pots. Further, since the flowerpot watering tray has a tubular portion on the bottom plate portion, when the watering tool is inserted into the tubular portion, the flowerpot watering tray is moved from the upper surface opening of the water tank due to the weight of the watering tool and the like. It has the effect of being able to prevent skidding and falling.

(Embodiment 2) Hereinafter, a flowerpot watering tray according to Embodiment 2 will be described with reference to the drawings. FIG. 5 is an overall perspective view of a flowerpot watering tray according to the second embodiment. Note that the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted. In the figure, reference numeral 26 denotes a flowerpot water supply tray according to the second embodiment, and reference numeral 27 denotes a rod-shaped floating member insertion portion which penetrates a predetermined position of the bottom plate portion 2 of the flowerpot water supply tray 26 and is formed in a cylindrical shape. As the rod-shaped float in the second embodiment, the rod-shaped float 7 having the water amount memory unit 8 and the floating body 9 of the water amount detector 6 in the first embodiment is used. Here, as the rod-like float insertion portion 27, a member having a size such that the water amount memory portion 8 of the rod-like float 7 can be moved up and down and smaller than the outer diameter of the floating body 9 is used. This is for preventing the rod-shaped float 7 from jumping upward. The flowerpot watering tray 26 is used by being arranged at the upper surface opening of a water storage tank having substantially the same shape as the peripheral wall 3 of the flowerpot watering tray 26. Embodiment 1
As in the case of the flowerpot watering tray 1, the flowerpot is placed on the flowerpot watering tray 26, and the waterpot made of a nonwoven fabric having water absorbency is inserted into the hole 4a to connect the flowerpot with the water tank. Water is automatically supplied to the plants planted in the flower pots by the surface tension of the water supply tool. Further, the water amount memory section 8 of the rod-shaped float 7 shown in the first embodiment is replaced with the rod-shaped float insertion section 27.
The water amount in the water storage tank is detected by the vertical movement and the amount of protrusion of the water amount memory unit 8 protruding from above the rod-shaped float insertion part 27 and inserted from below. Further, similarly to the first embodiment, one end of the water supply tool 20 is inserted into the cylindrical portion 5 to be immersed in the water of the water storage tank, and the other end is separated from the soil of the other flower pot disposed away from the water storage tank. By inserting it into the flower pot watering tray 2
The water supply is fixed to 6 and water is automatically supplied from one water storage tank to a plurality of flowerpots.

As described above, since the flowerpot water supply tray according to the second embodiment is constituted, the flowerpot water supply tray is provided with the upper surface opening having substantially the same shape as the peripheral wall portion of the flowerpot water supply tray. Place a dish and place a flower pot on the bottom plate,
By connecting the flower pot and the water tank via a water supply,
It has the effect that the plants planted in the flower pot can be automatically supplied with water. In addition, by inserting the rod-shaped float into the rod-shaped float insertion portion, the amount of water in the water storage tank can be detected by the amount of protrusion of the rod-shaped float, and the rod-shaped float inserted portion formed in a cylindrical shape serves as a guide for the water amount memory unit, This has the effect of preventing the water amount memory unit from swinging when it moves up and down.
Further, by inserting one end of the water supply tool into the cylindrical portion and communicating with another flower pot, there is an effect that water can be supplied from one water tank to a plurality of flower pots.

[0016]

As described above, since the flowerpot water supply tray of the present invention is constituted, the following excellent effects can be realized. According to the invention as set forth in claim 1, the flowerpot watering tray is arranged on the upper surface opening of a water tank such as a water tank, and the flowerpot is placed on the bottom plate portion. By connecting the flower pot and the water tank, the plants planted in the flower pot can automatically supply the water in the water tank by the surface tension of the water supply tool, and the watering of the flower pot can be managed during travel or long vacation. Even when it is not possible, an appropriate amount of water can be supplied at all times without killing the plants, which is excellent in convenience. In addition, as long as the flower pot water supply tray can be arranged at the opening on the upper surface, it can be used as a water storage tank, which is excellent in convenience. Since the bottom portion of the flower pot water supply tray has a tubular portion, one end of the water supply tool is inserted into and fixed to the tubular portion, and the other end is communicated with a flower pot disposed away from the water storage tank. It is possible to fix a plurality of water supply tools to the flower pot water supply tray and simultaneously supply water to a plurality of flower pots from one water storage tank, thereby improving the convenience and changing the insertion amount between the tubular portion and the water supply tool. It is possible to adjust the amount of water supply to the flower pot by itself, and it is excellent in usability. According to the invention as set forth in claim 2, in addition to the effect of the invention as set forth in claim 1, simply fixing the support portion of the water amount detection tool to the cylindrical portion of the flowerpot water supply tray, such as a water storage tank. Since the rod-shaped float inserted loosely in the support part moves up and down with the change in the water amount, the water tank can be seen only by looking at the projecting amount of the projecting water amount memory part without removing the flower pot watering tray from the upper opening of the water tank. The water supply timing can be checked, the amount of water can be reliably detected with a simple structure, and the control of the amount of water in the water storage tank is excellent, and the simple structure has no failure and has excellent durability. In addition, since the floating part is provided at the lower part of the support part, it is possible to prevent the floating body from falling out of the support part by the floating part and locking the floating body to the support part when water is injected, making it impossible to check the water injection amount. In addition, the amount of injected water can be reliably detected. According to the third aspect of the invention, in addition to the effect of the first aspect, the rod-shaped float is attached by simply inserting the rod-shaped float into the cylindrical rod-shaped float insertion portion, and the rod-shaped float insertion portion is attached to the guide. Therefore, the water amount memory unit is prevented from swinging when the bar-shaped float moves up and down, and the water amount can be accurately detected. According to the invention described in claim 4,
In addition to the effect of the invention according to claim 2, since the water amount memory portion of the rod-shaped float is loosely inserted in the guide portion, it is possible to prevent the water amount memory portion from being damaged at the time of transportation, etc. Excellent.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a flowerpot watering tray according to a first embodiment.

FIG. 2 is an exploded perspective view of a main part of the water amount detector according to the first embodiment.

FIG. 3 is a sectional view of a main part showing a use state of the flowerpot watering tray in the first embodiment.

FIG. 4 is an essential part cross-sectional view showing a state in which a plurality of water supply tools are used for a flowerpot water supply tray according to the first embodiment.

FIG. 5 is an overall perspective view of a flowerpot watering tray according to the second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Flower pot water supply tray 2 Bottom plate part 3 Peripheral wall part 4a Hole part 4b hole part 5 Cylindrical part 6 Water amount detection tool 7 Bar-shaped float 8 Water amount memory part 8a Water amount detection part 9 Floating body 10 Support part 11 Float stop part 12 Support part fixed part DESCRIPTION OF SYMBOLS 13 Guide part 14 Guide part side fixing part 15 Floating body stopper part 16 Water storage tank 17 Flower pot 18 Water supply tool 19 Flower pot 20 Water supply tool 21 Soft pipe 22 Water-conducting fiber bundle 23 Hard pipe 24 Metal wire striation 25 Auxiliary pipe 26 Flower pot water supply tray 27 Rod-shaped float insertion part

Claims (4)

[Claims] 1. A bottom plate portion disposed at an upper opening of a water storage tank, a peripheral wall portion erected around the bottom plate portion, and water in the water storage tank being pierced in the bottom plate portion and planted in a flowerpot. One or a plurality of holes through which a water supply tool made of a water-conducting fiber or the like that supplies water under tension is inserted, and a cylindrical portion having an upper end fixed to part or all of the holes below the bottom plate portion And a flowerpot watering tray comprising: 2. A water amount memory portion, a rod-shaped float having a floating body disposed below the water amount memory portion, a support portion into which the rod-shaped float is loosely inserted, and disposed below the support portion. The flowerpot watering tray according to claim 1, wherein a water amount detection tool having a float stopper portion is detachably fixed to the tubular portion. 3. A rod-shaped float having a water amount memory portion formed in a cylindrical shape and penetrating a predetermined position of the bottom plate portion, the water amount memory portion detecting the amount of water in the water storage tank, and a floating body disposed below the water amount memory portion. The flowerpot watering tray according to claim 1, further comprising a rod-shaped float insertion portion through which the water is inserted. 4. The water amount detecting device according to claim 2, wherein the water amount detecting device has a guide portion disposed above the support portion with the water amount memory portion freely inserted vertically. Flowerpot watering tray.