A garden green plant irrigation device

Abstract

The present application relates to the field of irrigation, especially to a kind of irrigation device for garden green plants, including building wall, mounting plate, planting box, water supply pipe and water collecting box etc.;Building wall is equipped with several mounting plates.Each mounting plate is fixedly connected with several planting boxes for planting green plants, and the bottom of the planting box is provided with a drainage hole. The building wall is equipped with a water supply pipe, and an electric control valve is arranged on the water supply pipe.Each mounting plate is equipped with a water collecting box. The lower side of the water collecting box is provided with several micropores one. By inserting the insertion rod of the water collecting box into the mounting hole of the mounting plate, the water collecting box can be quickly installed and fixed. By tightening the clamp bolt, the interface can be sealed and fixed, so that the water collecting box can be quickly connected. Compared with the existing irrigation technology, the device not only ensures more uniform irrigation of green plants, but also ensures the economy of the overall irrigation system, making the overall irrigation system easy to install and disassemble.

Description

Technical Field

[0001] This invention relates to the field of irrigation, and more particularly to an irrigation device for garden plants. Background Technology

[0002] Garden wall greening is an important form of vertical greening, referring to the installation of vertical planting boxes on the vertical surfaces of garden buildings such as walls and retaining walls to achieve greening of the building walls. This method not only beautifies the appearance of buildings, but also has the functions of sound insulation and absorbing harmful substances in the air.

[0003] Currently, there are two main methods for irrigating vertical planting boxes on garden walls. One method involves placing water pipes at the top layer, with water flowing downwards by gravity to irrigate the plants within the boxes. This method is simple and inexpensive, but it easily leads to the problem of "too much water at the top and too little at the bottom," hindering the normal growth of the plants. The other method involves independently installing water supply pipes for each layer, ensuring uniform water distribution by precisely controlling the pressure difference. However, this method significantly increases initial investment and hardware costs, complicates system design and debugging, requires a high level of expertise, and exponentially increases maintenance costs and potential for failure. Existing vertical planting irrigation technologies generally suffer from a contradiction between achieving uniform irrigation and system economy.

[0004] In summary, this application proposes an irrigation device for garden plants to improve the aforementioned technical problems. Summary of the Invention

[0005] In order to overcome the shortcomings of existing wall-mounted vertical planting irrigation technology, which generally suffers from the contradiction between irrigation uniformity and system economy, this invention provides an irrigation device for garden plants.

[0006] The technical implementation of this invention is as follows: A watering device for garden plants includes a building wall, mounting plates, planting boxes, and a water supply pipe; the building wall is equipped with several mounting plates; each mounting plate is fixedly connected to several planting boxes for planting plants, and the bottom of each planting box has a drainage hole; the building wall is equipped with a water supply pipe, and an electrically controlled valve is installed on the water supply pipe; it also includes a water collection box; each mounting plate is equipped with one water collection box; the lower side of the water collection box has several micro-holes, and the positions of the micro-holes correspond to the positions of the planting boxes; each water collection box is connected to two circular pipes, and the circular pipe of the top water collection box is connected to the water supply pipe, and the circular pipe is a rubber tube; the building wall is fixedly connected to... Several water pipes are connected to round pipes, and the water collection box, round pipes, and water pipes are arranged in an S-shape. Each water collection box is connected to a water inlet pipe 1, which is equipped with a control valve 1. Each water collection box is also connected to a water inlet pipe 2, which is equipped with a control valve 2. Each planting box has an outer shell fixed to its outside, and the outer shell and the planting box form an annular cavity. Water inlet pipe 1 is connected to several water supply pipes 1, and each water supply pipe 1 is connected to the left side of the corresponding annular cavity. Water inlet pipe 2 is connected to several water supply pipes 2, and each water supply pipe 2 is connected to the right side of the corresponding annular cavity. The planting box has several through holes, and the through holes are connected to the annular cavity.

[0007] By adopting the above structure, water can be introduced into the water collection box layer by layer, and watered through micropores to irrigate the green plants, thereby ensuring the uniformity of irrigation for the green plants.

[0008] Furthermore, it also includes a sponge and a partition; a partition is fixed between the planting box and the outer shell, which divides the annular cavity into a left cavity and a right cavity; a sponge is provided in each of the left and right cavities, the sponge is attached to the planting box, and a metal mesh is provided on the side of the sponge that is attached to the planting box; the sponge has several ventilation holes that run vertically through it.

[0009] By adopting the above structure, water can be replenished to the soil in various parts of the planting box, thereby improving the overall irrigation effect and promoting the growth of green plants.

[0010] Furthermore, it also includes insertion rods and clamps; each water collection box has several insertion rods fixedly connected to its lower part for installation and fixation; each mounting plate has several mounting holes corresponding to the positions of the insertion rods; each round pipe end is equipped with a clamp, and the round pipe is connected to the water supply pipe through the clamp, and the round pipe is connected to the water flow pipe through the clamp.

[0011] By adopting the above structure, the insertion rod of the water collection box can be inserted into the mounting hole of the mounting plate, thereby achieving the effect of quick installation and fixation of the water collection box.

[0012] Furthermore, the insert is hollow inside, and its upper end is connected to the inside of the water collection box. The lower end of the insert has several micro-holes. The planting box has a through hole, and the through hole is connected to the installation hole.

[0013] Furthermore, it also includes filters; each water collection box has a filter installed on its upper part.

[0014] Furthermore, it also includes a water level controller; the water level controller is installed in the bottom water collection box.

[0015] Furthermore, it also includes drainage pipes; drainage pipes are fixed to the building walls, and the drainage pipes are connected to the round pipes in the bottom water collection box, and the drainage pipes are connected to the surrounding sewers.

[0016] Furthermore, the filter is tilted forward and downward.

[0017] Furthermore, it also includes a water collection box and a water supply pipe; the water collection box is installed on the building wall and is located below the bottom mounting plate; the water collection box is connected to the water supply pipe and the water supply pipe is connected to the drain pipe.

[0018] Furthermore, the bottom of the water collection box is angled downwards towards the water supply pipe.

[0019] This invention has the following advantages: by introducing water layer by layer into the water collection box and irrigating the plants through micropores, the uniformity of irrigation is ensured; by inserting the rod of the water collection box into the mounting hole of the mounting plate, the water collection box can be quickly installed and fixed; by tightening the clamp bolts, the interface can be sealed and fixed, thereby quickly connecting the water collection box. Compared with existing irrigation technologies, this device not only ensures more uniform irrigation of the plants, but also guarantees the economy of the overall irrigation system, making the overall irrigation system easy to install and disassemble.

[0020] By installing a water collection box above each planting box, rainwater is collected during rainy days, preventing the lower-layer plants from having significantly higher moisture content than the upper layers, thus preventing waterlogging and root rot in the lower-layer plants. In addition, rainwater flows downwards layer by layer through the round pipe, the water pipe, and the water collection box, and finally flows into the drain pipe through the round pipe on the left side of the bottom water collection box, and is discharged into the surrounding sewer, thus preventing excessive rainwater in the water collection box from overflowing back into the planting boxes below. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the irrigation device for garden plants disclosed in this invention; Figure 2 This is a structural schematic diagram of the assembly of the mounting plate, planting box, water supply pipe and water collection box disclosed in this invention; Figure 3 This is a schematic diagram of the structure of the water collection box, circular tube and filter screen assembly disclosed in this invention; Figure 4 This is an exploded view of the water collection box and mounting plate disclosed in this invention; Figure 5 This is a schematic diagram of the structure of the water collection box, round tube and plug assembly disclosed in this invention; Figure 6 This is an exploded view of the circular pipe and water pipe disclosed in this invention; Figure 7 This is a schematic diagram of the structure of the combination of water inlet pipe 1, water inlet pipe 2, water supply pipe 1 and water supply pipe 2 disclosed in this invention; Figure 8 This is a schematic diagram of the structure of the shell, sponge and partition assembly disclosed in this invention; Figure 9 This is a schematic diagram of the structure of the planting box and outer shell assembly disclosed in this invention; Figure 10 This is a schematic diagram of the structure of the water collection box and water delivery pipe assembly disclosed in this invention.

[0022] The meanings of the labels in the attached diagram are as follows: 1-Building wall, 2-Mounting plate, 3-Planting box, 4-Water supply pipe, 5-Water collection box, 6-Round pipe, 7-Water pipe, 8-Water inlet pipe one, 9-Water inlet pipe two, 10-Water supply pipe one, 11-Water supply pipe two, 12-Outer shell, 13-Sponge, 14-Partition, 101-Insert rod, 102-Clamp, 111-Filter screen, 112-Water level controller, 121-Drainage pipe, 201-Water collection box, 202-Water supply pipe, 21-Mounting hole, 31-Through hole, 32-Through hole, 41-Electrically controlled valve, 51-Micro-hole one, 81-Control valve one, 91-Control valve two, 1201-Annular cavity, 1301-Ventilation hole, 10101-Micro-hole two. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Example 1: An irrigation device for garden plants, referring to... Figures 1-10As shown, the system includes a building wall 1, mounting plates 2, planting boxes 3, and water supply pipes 4. Several mounting plates 2 are installed on the building wall 1. Each mounting plate 2 is fixedly connected to several planting boxes 3 for planting greenery. The bottom of each planting box 3 has drainage holes to drain excess water and prevent the plant roots from being submerged in water for extended periods, which could lead to oxygen deficiency and affect the plant's normal growth. A water supply pipe 4 is installed on the building wall 1, and an electrically controlled valve 41 is installed on the water supply pipe 4. The system also includes water collection boxes 5. Each mounting plate 2 has a water collection box 5 installed on its upper side. Several micro-holes 51 are opened on the lower side of each water collection box 5, and the positions of the micro-holes 51 correspond to the positions of the planting boxes 3. Each water collection box 5 is connected to two round pipes 6. The round pipe 6 connected to the topmost water collection box 5 is connected to the water supply pipe 4, and the round pipe 6 is a rubber tube. Several... A water pipe 7 is connected to a circular pipe 6, and the water collection box 5, the circular pipe 6, and the water pipe 7 are arranged in an S-shape. Each water collection box 5 is connected to a water inlet pipe 8, and a control valve 81 is installed on the water inlet pipe 8. Each water collection box 5 is connected to a water inlet pipe 9, and a control valve 91 is installed on the water inlet pipe 9. Each planting box 3 is fixedly connected to an outer shell 12, and the outer shell 12 and the planting box 3 form an annular cavity 1201. Several water supply pipes 10 are connected to the water inlet pipe 8, and each water supply pipe 10 is connected to the left side of the annular cavity 1201 at the corresponding position. Several water supply pipes 11 are connected to the water inlet pipe 9, and each water supply pipe 11 is connected to the right side of the annular cavity 1201 at the corresponding position. Several through holes 32 are opened on the planting box 3, and the through holes 32 are connected to the annular cavity 1201.

[0025] It also includes a sponge 13 and a partition 14; the partition 14 is fixed between the planting box 3 and the outer shell 12, and the annular cavity 1201 is divided into a left cavity and a right cavity by the partition 14; a sponge 13 is provided in each of the left and right cavities, the sponge 13 is attached to the planting box 3, and a metal mesh is provided on the side of the sponge 13 facing the planting box 3. The metal mesh can block the through hole 32 to prevent a large number of plant roots from penetrating; the sponge 13 has several vertical ventilation holes 1301.

[0026] It also includes a plug rod 101 and a clamp 102; several plug rods 101 are fixedly connected to the lower part of each water collection box 5; several mounting holes 21 are opened in each mounting plate 2, and the position of the mounting holes 21 corresponds to the position of the plug rod 101; a clamp 102 is installed at the end of each round pipe 6, and the round pipe 6 is connected to the water supply pipe 4 through the clamp 102, and the round pipe 6 is connected to the water supply pipe 7 through the clamp 102.

[0027] The insert rod 101 is hollow inside, and its upper end is connected to the inside of the water collection box 5. The lower end of the insert rod 101 has several micro-holes 10101. The planting box 3 has a through hole 31, which is connected to the mounting hole 21. After the insert rod 101 is inserted into the mounting hole 21 and fixed, during the process of watering the green plants in the planting box 3 through the micro-holes 51, the micro-holes 10101 of the insert rod 101 can simultaneously water the soil and the roots of the green plants in the planting box 3, thereby improving the overall watering effect.

[0028] It also includes a filter screen 111; each water collection box 5 has a filter screen 111 installed on its upper part.

[0029] It also includes a water level controller 112; the water level controller 112 is installed in the bottom water collection box 5.

[0030] It also includes a drain pipe 121; the drain pipe 121 is fixedly connected to the building wall 1, the drain pipe 121 is connected to the round pipe 6 located in the bottom water collection box 5, and the drain pipe 121 is connected to the surrounding sewer.

[0031] The filter screen 111 is tilted forward and downward so that impurities on the surface of the filter screen 111 are washed off as water drips through the filter screen 111 into the water collection box 5, thus preventing clogging.

[0032] When greening the garden wall, staff plant greenery in planting boxes 3 to achieve the greening of the garden wall. During the subsequent growth of the greenery (as... Figure 1(Taking a specific perspective as an example), by opening the electrically controlled valve 41 of the water supply pipe 4, water is introduced into the top-level water collection box 5 through the circular pipe 6. When the water level in the top-level water collection box 5 is higher than that in the right circular pipe 6, the continuously flowing water flows into the water pipe 7 through the right circular pipe 6, and then into the circular pipe 6 of the next-level water collection box 5, supplying water to the next-level water collection box 5. This process continues until the water level in the next-level water collection box 5 is higher than that in the left circular pipe 6. The same operation is repeated, supplying water to the water collection boxes 5 layer by layer from top to bottom, until the bottom-level water collection box 5 is full. Then, the electrically controlled valve 41 is closed. During the subsequent growth of the green plants in the planting box 3, the water collection box 5 slowly drips water downwards through the micro-holes 51, thereby irrigating the green plants in the planting box 3. This process of introducing water into the water collection boxes 5 layer by layer is repeated. The plant is irrigated through micropores 51, ensuring uniform irrigation. During the installation of the water collection boxes 5, taking the top-level box as an example, workers insert the insertion rod 101 into the mounting hole 21 of the mounting plate 2 to quickly install and fix the box. Then, the round pipe 6 on the left side of the box is connected to the water supply pipe 4, and the interface is sealed by tightening the clamp bolt 102. The round pipe 6 on the right side of the box is then connected to the water pipe 7 via clamp 102. The round pipes 6 of the next layer of water collection boxes are connected to the water pipes 7 on both sides, thus quickly completing the installation and connection of the water collection boxes 5 and the pipelines. Compared to existing irrigation technologies, this device ensures more uniform irrigation of the plant, guarantees the economy of the overall irrigation system, and is easy to install and disassemble.

[0033] Meanwhile, the insert rod 101 is hollow inside and its upper end is connected to the inside of the water collection box 5. During the subsequent watering of the green plants in the planting box 3 through the micro-hole 51, water is also dripped through the micro-hole 10101 of the insert rod 101. The water passes through the through hole 31 of the planting box 3, so that the soil and the roots of the green plants in the planting box 3 can be directly watered at the same time, improving the overall watering effect.

[0034] Considering that watering only a localized area of ​​the soil and plant roots within planting box 3 would result in poor overall watering effectiveness, during the watering process, the control valve 81 of the water inlet pipe 8 is manually opened. This allows water from the collection box 5 to flow from the water inlet pipe 8 and the water supply pipe 10 into the annular cavity 1201 formed by the outer shell 12 and the outer side of the planting box 3. The sponge 13 then absorbs the water from the annular cavity 1201. Through capillary action, all parts of the sponge 13 absorb water. Water continuously flows into the annular cavity 1201, and the water in the sponge 13 replenishes the soil in various parts of the planting box 3 through the through holes 32, thereby improving the overall irrigation effect and promoting plant growth. Water replenishment in the annular cavity 1201 causes the plant roots to grow towards the periphery of the planting box 3 under the influence of water attraction, improving the stability of plant growth. It should be noted that a metal mesh is set on the side of the sponge 13 near the planting box 3. This metal mesh can block the through holes 32 and prevent a large number of plant roots from penetrating out.

[0035] Considering the poor aeration of the soil inside the planting box 3 during plant growth, a partition 14 is also installed to divide the annular cavity 1201 into a left and right cavity. Initially, the control valve 81 of the water inlet pipe 8 is manually opened, allowing water to flow through the water supply pipe 10 to the left cavity of the annular cavity 1201. The sponge 13 inside the left cavity also replenishes the soil in the planting box 3. The right cavity of the annular cavity 1201 remains dry. External air enters the planting box 3 through the sponge 13 inside the right cavity, the ventilation holes 1301 on the sponge 13, and the through-hole 32, thus achieving ventilation and aeration of the soil inside the planting box 3, which is beneficial for plant growth. Growth; After three to four days of continuous use, control valve 1 81 is manually closed and control valve 2 91 is opened, allowing water to be supplied to the right cavity of the annular cavity 1201 through water supply pipe 2 11. At this time, the soil in the planting box 3 is replenished with water through the sponge 13 in the right cavity. Subsequently, the left cavity of the annular cavity 1201 loses water supply and gradually turns into a dry state. External air enters the planting box 3 through the sponge 13 in the left cavity, the vent 1301 and the through hole 32 of the sponge 13, and ventilates the soil in the planting box 3. This cycle is repeated to replenish the soil in all parts of the planting box 3 while ventilating the soil, so as to promote the healthy growth of green plants.

[0036] Furthermore, considering that during rainy days, rainwater falls into planting box 3, and although excess rainwater can drain out of planting box 3 through the drainage holes, the rainwater drained from planting box 3 will fall back into the planting box 3 below, making the moisture content of the lower layer of greenery significantly higher than that of the upper layer, thus making the lower layer of greenery more prone to waterlogging and root rot. Therefore, during rainy days, planting box 3 drains rainwater through the drainage holes at the bottom, which flows downwards into water collection box 5. Water collection box 5 collects the downward-draining rainwater, preventing the moisture content of the lower layer of greenery from being significantly higher than that of the upper layer, thus avoiding the problem of waterlogging and root rot in the lower layer of greenery. Figure 10 As shown, the circular pipe 6 located on the left side of the bottom water collection box 5 is connected to the drain pipe 121. During the process of collecting rainwater in the water collection box 5, when the water level in the water collection box 5 is higher than that of the circular pipe 6, the excess water flows down layer by layer through the circular pipe 6, the water pipe 7, and the water collection box 5. Finally, it flows into the drain pipe 121 through the circular pipe 6 located on the left side of the bottom water collection box 5, and is discharged into the surrounding sewer through the drain pipe 121. This prevents the water collection box 5 from overflowing back into the planting box 3 below due to excessive rainwater. At the same time, a filter screen 111 is installed on the upper part of the water collection box 5. The filter screen 111 can filter and intercept the impurities carried down by the rainwater and the soil discharged from the planting box 3, preventing impurities from falling directly into the water collection box 5 and causing the micropores 51 to become blocked, which would affect the overall irrigation effect. The filter screen 111 is set to tilt forward and downward. As the rainwater drips from the filter screen 111 into the water collection box 5, it is easy to wash off the impurities on the surface of the filter screen 111 and prevent it from becoming blocked.

[0037] Meanwhile, a water level controller 112 is installed in the bottom water collection box 5. The water level controller 112 is used to monitor the water level in the bottom water collection box 5. When the water level is lower than the specified height, the water level controller 112 automatically sends a control signal to open the electric control valve 41 to deliver water. When the water level is higher than the specified height, the electric control valve 41 is closed, thereby realizing the automatic irrigation of the green plants on the building wall 1.

[0038] Example 2: Based on Example 1, referring to... Figure 1 and Figure 10 As shown, it also includes a water collection box 201 and a water supply pipe 202; the water collection box 201 is installed on the building wall 1 and is located below the bottom mounting plate 2; the water collection box 201 is connected to the water supply pipe 202 and the water supply pipe 202 is connected to the drain pipe 121.

[0039] The bottom of the water collection box 201 is tilted downwards towards the water supply pipe 202. When water droplets fall into the water collection box 201 from the planting box 3, the water can be quickly drained away through the water supply pipe 202 to avoid water accumulation and odor, which would affect the overall quality of the garden environment.

[0040] To prevent water from the bottom planting box 3 from falling directly onto the garden path below and causing rainwater mixed with soil to affect the aesthetics of the environment, a water collection box 201 is installed below the bottom planting box 3. The water collection box 201 can collect the water discharged from the bottom planting box 3, and the collected water flows into the drain pipe 121 through the water supply pipe 202 and is directly discharged into the surrounding sewer, thereby beautifying the overall greening effect of the garden wall and improving the overall quality of the garden environment.

[0041] It should be understood that this embodiment is for illustrative purposes only and is not intended to limit the scope of the invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the invention, and these equivalent forms also fall within the scope defined by the appended claims.

Claims

1. A watering device for garden plants, comprising a building wall (1); a plurality of mounting plates (2) are installed on the building wall (1); each mounting plate (2) is fixedly connected to a plurality of planting boxes (3) for planting green plants, and the bottom of the planting boxes (3) has a drainage hole; a water supply pipe (4) is installed on the building wall (1), and an electrically controlled valve (41) is provided on the water supply pipe (4); characterized in that, It also includes a water collection box (5); each mounting plate (2) is equipped with a water collection box (5); the water collection box (5) has several micro-holes (51) on its lower side, and the position of the micro-holes (51) corresponds to the position of the planting box (3); each water collection box (5) is connected to two round pipes (6), the round pipe (6) of the top water collection box (5) is connected to the water supply pipe (4), and the round pipe (6) is a rubber pipe; several water pipes (7) are fixed to the building wall (1), the water pipes (7) are connected to the round pipes (6), and the water collection box (5), round pipes (6) and water pipes (7) are arranged in an S-shape; each water collection box (5) is connected to a water inlet pipe (8), and the water inlet pipe (8) is equipped with a control valve (81). Each water collection box (5) is connected to a second water inlet pipe (9), and the second water inlet pipe (9) is equipped with a second control valve (91); each planting box (3) is fixed to an outer shell (12), and the outer shell (12) and the planting box (3) form an annular cavity (1201); the first water inlet pipe (8) is connected to several first water supply pipes (10), and each first water supply pipe (10) is connected to the left side of the corresponding annular cavity (1201); the second water inlet pipe (9) is connected to several second water supply pipes (11), and each second water supply pipe (11) is connected to the right side of the corresponding annular cavity (1201); the planting box (3) has several through holes (32), and the through holes (32) are connected to the annular cavity (1201); It also includes a sponge (13) and a partition (14); a partition (14) is fixed between the planting box (3) and the outer shell (12), and the annular cavity (1201) is divided into a left cavity and a right cavity by the partition (14); a sponge (13) is provided in each of the left and right cavities, the sponge (13) is attached to the planting box (3), and a metal mesh is provided on the side of the sponge (13) attached to the planting box (3); the sponge (13) has several ventilation holes (1301) that run through it from top to bottom.

2. The irrigation device for garden plants according to claim 1, characterized in that, It also includes a plug rod (101) and a clamp (102); each water collection box (5) has several plug rods (101) fixedly connected to the lower part for installation and fixing; each mounting plate (2) has several mounting holes (21) corresponding to the positions of the plug rods (101); each round pipe (6) has a clamp (102) installed at the end, the round pipe (6) is connected to the water supply pipe (4) through the clamp (102), and the round pipe (6) is connected to the water supply pipe (7) through the clamp (102).

3. A watering device for garden plants according to claim 2, characterized in that, The insert rod (101) is hollow inside and its upper end is connected to the inside of the water collection box (5). The lower end of the insert rod (101) has several micro-holes (10101). The planting box (3) has a through hole (31) and the through hole (31) is connected to the mounting hole (21).

4. A watering device for garden plants according to claim 1, characterized in that, It also includes a filter screen (111); each water collection box (5) has a filter screen (111) installed on its upper part.

5. A watering device for garden plants according to claim 1, characterized in that, It also includes a water level controller (112); the water level controller (112) is installed in the bottom water collection box (5).

6. A watering device for garden plants according to claim 1, characterized in that, It also includes a drain pipe (121); the building wall (1) is fixedly connected to the drain pipe (121), the drain pipe (121) is connected to the round pipe (6) located in the bottom water collection box (5), and the drain pipe (121) is connected to the surrounding sewer.

7. A watering device for garden plants according to claim 4, characterized in that, The filter (111) is tilted forward and downward.

8. A watering device for garden plants according to claim 6, characterized in that, It also includes a water collection box (201) and a water supply pipe (202); the building wall (1) is equipped with a water collection box (201), and the water collection box (201) is located below the bottom mounting plate (2); the water collection box (201) is connected to the water supply pipe (202), and the water supply pipe (202) is connected to the drain pipe (121).

9. A watering device for garden plants according to claim 8, characterized in that, The bottom of the water collection box (201) is inclined downward towards the water supply pipe (202).

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