Watering device

By designing a combination of conduit, suction element, and infusion head in the automatic watering device, and utilizing the elastic element to generate negative pressure to achieve a rapid siphon effect, the problem of inconvenient initial water dispensing is solved, improving user experience and convenience.

CN222302659UActive Publication Date: 2025-01-07周水莲
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Patent Information

Application Number
CN202421189983.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-01-07
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

The existing automatic watering system is inconvenient during the initial water dispensing operation, which affects the user experience.

Method used

A watering device was designed, comprising a conduit, a water suction component, and a liquid delivery head. It is connected to the cover via an elastic element. The elastic element quickly expels the gas in the conduit during the first water discharge, generating negative pressure to draw in external liquid, achieving a rapid siphon effect without disassembly or the need to use a mouth to suck it up.

Benefits of technology

It enables quick and convenient initial water output, improving user experience and convenience. It also features a simple structure and low production cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a watering device which comprises a guide pipe, a water absorption piece and a liquid conveying head, and the guide pipe is used for conveying liquid to the liquid conveying head. The water absorption piece comprises an elastic piece and a cover body, the elastic piece is connected with the guide pipe through the cover body, and the elastic piece is used for discharging part of or all gas in the guide pipe to the outside, so that negative pressure is generated at the liquid inlet end of the guide pipe, and liquid outside the liquid inlet end can be absorbed into the guide pipe; the infusion head is located at the liquid outlet end of the catheter so as to receive the liquid conveyed by the catheter and convey the liquid to the outside. When the automatic watering device is subjected to first-time water outlet operation, gas in the guide pipe can be quickly discharged through the elastic piece, so that negative pressure is generated at the liquid inlet end of the guide pipe, liquid outside the liquid inlet end can be sucked into the guide pipe, the liquid is conveyed to the liquid conveying head through the guide pipe, and quick and convenient first-time water outlet operation is achieved; and the user experience and convenience are improved, the structure is simple, and the production cost is low.
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Description

Technical Field

[0001] The utility model belongs to the technical field of watering tools, in particular to a watering device. Background Art

[0002] With the rapid development of social economy, planting flowers and grass has gradually become a part of modern people's green life. For example, planting flowers, succulents, green leafy plants and other plants in pots indoors. These green plants can not only purify the air, but also have high appreciation value.

[0003] Although potted plants are relatively easy to care for, they still need to be watered, and different plants have different water requirements. However, with the quickening pace of life, many people need to go to work during the day or work overtime at night, or often need to travel on business, or work away from home for holidays or the New Year. Due to work fatigue or business trips, they often forget to water the potted plants or no one waters them, causing the potted plants to wither or die due to lack of water.

[0004] At present, some automatic watering devices generally use the siphon effect to achieve automatic watering, but it is very inconvenient when performing the first water discharge operation on the automatic watering device. For example, the user is usually required to remove the catheter first, and then suck the liquid outlet end of the catheter with the mouth to fill the catheter with liquid or use an auxiliary device to fill water into the catheter from the liquid inlet end of the catheter, which greatly affects the user experience. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a watering device to solve the problem in the prior art that when performing the first water discharge operation on the automatic watering device, it is very inconvenient, which greatly affects the user experience.

[0006] One embodiment of the utility model provides a watering device, comprising:

[0007] A catheter, used to deliver liquid to the infusion head;

[0008] A water absorbing member, comprising an elastic member and a cover body, wherein the elastic member is connected to the conduit through the cover body, and the elastic member is used to discharge part or all of the gas in the conduit to the outside, so that a negative pressure is generated at the liquid inlet end of the conduit and the liquid outside the liquid inlet end can be absorbed into the conduit;

[0009] The infusion head is located at the liquid outlet end of the catheter to receive the liquid transported by the catheter and transport the liquid to the outside.

[0010] In this embodiment, the elastic member is connected to the catheter through the cover body, which improves the overall structural strength, prolongs the service life, and is easy to install. At the same time, the infusion head is set at the liquid outlet end of the catheter. When the automatic watering device is operated to discharge water for the first time, the gas in the catheter can be quickly discharged through the elastic member, so that the liquid inlet end of the catheter generates negative pressure and can absorb the liquid outside the liquid inlet end into the catheter, ensuring that the catheter can transport liquid to the infusion head, so that a siphon effect can be quickly generated during use, without the user having to remove the catheter, and also without the user having to use the mouth to suck the liquid outlet end of the catheter to fill the catheter with liquid, and without using an auxiliary device to fill water from the liquid inlet end of the catheter into the catheter, a fast and convenient first water discharge operation can be achieved, and it can quickly determine whether the water absorption is successful, thereby improving the user experience and convenience, with a simple structure and low production cost.

[0011] In one embodiment, the cover is sleeved with the catheter;

[0012] The elastic member is detachably connected to the cover body, or the elastic member is integrally arranged with the cover body.

[0013] In one embodiment, the elastic member is integrally formed of soft plastic, wherein the elastic member includes one or more of an elastic hose, an elastic soft ball and an elastic soft airbag.

[0014] In one embodiment, when the elastic member is subjected to an external force, the elastic member can contract so that the gas in the conduit is discharged from the liquid inlet end;

[0015] When the external force applied to the elastic member disappears, the elastic member can rebound, so that negative pressure is generated at the liquid inlet end of the catheter and the liquid outside the liquid inlet end can be sucked into the catheter.

[0016] In one embodiment, when the elastic member includes an elastic hose, the elastic hose includes one or more of a corrugated hose and a threaded hose to facilitate winding of the catheter.

[0017] In one embodiment, the elastic member is transparent or translucent.

[0018] In one embodiment, a counterweight is provided at the liquid inlet end of the catheter; and / or, the catheter is provided with a first flow regulating member, and the first flow regulating member is used to adjust the flow rate of the liquid outputted from the liquid outlet end of the catheter.

[0019] In one embodiment, the infusion head includes a penetration head, which is sleeved with the elastic member, and the penetration head is provided with a first water storage chamber, the first water storage chamber is used to receive the liquid transported by the catheter, and the liquid in the first water storage chamber can penetrate into the outside through the penetration head; wherein, the penetration head is made of ceramic or gypsum.

[0020] In one embodiment, the infusion head includes a watering head, which is provided with a second water storage chamber and a water outlet. The watering head is sleeved with the elastic member, the second water storage chamber is used to receive and store the liquid transported by the catheter, and the water outlet is connected to the second water storage chamber to transport the liquid in the second water storage chamber to the outside.

[0021] In one embodiment, the watering head is made of plastic in one piece; and / or, the watering head is also provided with a second flow regulating component, which is installed at the water outlet, and the second flow regulating component is used to adjust the liquid flow output from the water outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0023] Figure 1 A schematic diagram of the structure of a watering device provided in one embodiment of the utility model;

[0024] Figure 2 A schematic diagram of the structure of a watering device provided by another embodiment of the utility model;

[0025] Figure 3 A schematic diagram of the structure of a watering device provided by another embodiment of the utility model;

[0026] Figure 4 A schematic diagram of the structure of a watering device provided by yet another embodiment of the utility model;

[0027] Figure 5 A schematic diagram of the connection structure between a conduit and a first flow regulating member provided in another embodiment of the utility model;

[0028] Figure 6 A schematic diagram of the structure of a watering head provided in one embodiment of the utility model;

[0029] Figure 7A simplified structural diagram of a breeding system according to one embodiment of the present invention.

[0030] Reference numerals: 1, watering device, 11, conduit, 111, counterweight, 112, first flow regulating member, 12, water absorbing member, 121, cover, 122, elastic hose, 123, elastic soft ball, 124, elastic soft air bag, 131, penetration head, 132, watering head, 132-1, water outlet, 133, second flow regulating member;

[0031] 2. Breeding device, 3. Liquid supply device. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0034] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0035] See also Figure 1-4 One embodiment of the utility model provides a watering device, comprising:

[0036] A catheter 11, used for delivering liquid to the infusion head;

[0037] 12, comprising an elastic member and a cover 121, wherein the elastic member is connected to the conduit 11 through the cover 121, and the elastic member is used to discharge part or all of the gas in the conduit 11 to the outside, so that a negative pressure is generated at the liquid inlet end of the conduit 11 and the liquid outside the liquid inlet end can be sucked into the conduit 11;

[0038] The infusion head is located at the liquid outlet end of the catheter 11 to receive the liquid transported by the catheter 11 and transport the liquid to the outside.

[0039] In this embodiment, the elastic member is connected to the catheter 11 through the cover 121, which improves the overall structural strength, prolongs the service life, and is easy to install. At the same time, the infusion head is set at the liquid outlet end of the catheter 11. When the automatic watering device is operated to discharge water for the first time, the gas in the catheter 11 can be quickly discharged through the elastic member, so that the liquid inlet end of the catheter 11 generates negative pressure and can absorb the liquid outside the liquid inlet end into the catheter 11, ensuring that the catheter 11 can transport liquid to the infusion head, so that a siphon effect can be quickly generated during use, without the user having to remove the catheter 11, and also without the user having to use the mouth to suck the liquid outlet end of the catheter 11 to fill the catheter 11 with liquid, and without using an auxiliary device to fill water from the liquid inlet end of the catheter 11 into the catheter 11, a fast and convenient first water discharge operation can be achieved, and it can quickly determine whether the water absorption is successful, thereby improving the user experience and convenience, with a simple structure and low production cost. Among them, the catheter 11 is a plastic hose.

[0040] See also Figure 1-4 In one embodiment, the cover 121 is sleeved with the conduit 11;

[0041] The elastic member is detachably connected to the cover body 121 , or the elastic member is integrally provided with the cover body 121 .

[0042] In this embodiment, the elastic member is detachably connected to the cover body 121 to facilitate flexible replacement of various components, avoiding the need to replace the entire component when individual components are damaged, reducing losses and avoiding waste of materials; or the elastic member is integrally arranged with the cover body 121 to facilitate modular installation, improve disassembly and assembly efficiency, and reduce production costs.

[0043] The cover body 121 is sleeved with the conduit 11 , thereby improving the overall connection performance and operational flexibility, and enhancing the overall strength.

[0044] As needed, the cover body 121 is provided with a through hole, and the cover body 121 is sleeved with the catheter 11 through the through hole. Limiting rings are detachably installed at both ends of the catheter 11 to prevent the cover body 121 from sliding out along one end of the catheter 11, and to ensure that the cover body 121 is detachably connected to the catheter 11, so as to achieve a quick disassembly and assembly effect of the elastic member and the catheter 11.

[0045] See also Figure 1-4 In one embodiment, the elastic member is sleeved with the infusion head.

[0046] In this embodiment, the elastic member is sleeved with the infusion head so that the cover body 121, the elastic member and the infusion head together form a cavity, and the catheter 11 is located in the cavity, which ensures that the infusion head can accurately receive and store the liquid transported by the catheter 11. At the same time, it is convenient to perform the first water discharge operation without disassembling the elastic member and the infusion head. For example: when the elastic member is subjected to an external force, the elastic member contracts to squeeze the gas in the cavity and discharge it from the liquid inlet end of the catheter 11. When the external force disappears, the elastic member rebounds to generate a negative pressure state at the liquid inlet end and absorb the liquid into the catheter 11 and the cavity in turn, thereby achieving the first water discharge operation. Through the setting of the elastic member, the user can quickly and conveniently complete the first water discharge operation by directly applying an external force (such as squeezing, pinching, pressing, etc.) to the elastic member.

[0047] Alternatively, when performing the first water discharge operation, the user can first disassemble the elastic member from the infusion head, place the liquid inlet end in the liquid, cover one end of the elastic hose 122 with the palm of the hand (the liquid outlet end is in the elastic hose 122 at this time), and squeeze the elastic hose 122 along the other end, so as to discharge part or all of the gas in the catheter from the liquid inlet end. After the palm releases the elastic hose 122, the elastic hose 122 rebounds to generate a negative pressure state at the liquid inlet end and absorb the liquid into the catheter 11 and the cavity in turn, so as to achieve the first water discharge operation. After the liquid outlet end of the catheter 11 outputs the liquid, the elastic member is put on the infusion head so that the infusion head can accurately receive the liquid transported by the catheter 11. The above-mentioned water discharge operation method can be selected by the user.

[0048] It should be noted that, in order to facilitate the generation of the siphon effect, when performing the first water discharge operation, the liquid inlet end of the conduit 11 is placed in the liquid of the water supply device 3, and the liquid outlet end of the conduit 11 and the position height of the infusion head are lower than the liquid level of the liquid where the liquid inlet end of the conduit 11 is located. In actual use, the infusion head is inserted into the soil to realize water supply to the plants.

[0049] In one embodiment, the elastic member is made of soft plastic and is integrally formed, wherein the elastic member includes an elastic hose 122 (such as Figure 1-2 As shown), elastic soft ball 123 (as Figure 3 As shown) and elastic soft airbag 123 (as shown Figure 4 One or more of the above.

[0050] In this embodiment, the elastic member is integrally formed by using soft plastic, which can improve the molding efficiency, overall stability, and body shaping effect, and improve the resilience performance of the elastic member and extend the service life.

[0051] It should be understood that the elastic soft ball 123 and the elastic soft airbag 123 (or elastic member) are both provided with a channel connecting the catheter 11 and the infusion head, so as to discharge part or all of the gas in the catheter 11 and ensure that the liquid transported by the catheter 11 can be received by the infusion head.

[0052] In one embodiment, when the elastic member is subjected to an external force, the elastic member can contract so that the gas in the conduit 11 is discharged from the liquid inlet end;

[0053] When the external force applied to the elastic member disappears, the elastic member can rebound, so that negative pressure is generated at the liquid inlet end of the conduit 11 and the liquid outside the liquid inlet end can be sucked into the conduit 11.

[0054] In this embodiment, since the elastic member can contract when subjected to an external force, the gas in the conduit 11 can be discharged, and when the external force applied to the elastic member disappears, the elastic member can rebound to generate a negative pressure at the liquid inlet end of the conduit 11 and absorb the liquid, so that when the conduit 11 is operated to discharge water for the first time, the conduit 11 can be quickly and conveniently vented by applying an external force such as squeezing, pinching, and pressing to the elastic member, so that a negative pressure is generated at the liquid inlet end of the conduit 11 and the liquid can be absorbed, thereby ensuring that a siphon effect is quickly generated, thereby improving the user experience and convenience, and having a simple structure and low production cost.

[0055] See also Figure 1-2 In one embodiment, when the elastic member includes an elastic hose 122, the elastic hose 122 includes one or more of a corrugated hose and a threaded hose.

[0056] In this embodiment, the corrugated hose (such as Figure 2 as shown) and threaded hose (as Figure 1 As shown in the figure, it has the advantages of good elasticity, light weight, and easy use, which can greatly improve the user experience and operability, and can quickly realize the first water discharge operation. At the same time, when the watering device 1 needs to be stored, the corrugated hose (as shown in the figure) can be easily opened and closed. Figure 2 as shown) and threaded hose (as Figure 1 The external shape of the catheter 11 can be easily wound and stored.

[0057] The length of the elastic hose 122 may be in the range of 3-8 cm.

[0058] In one embodiment, the elastic member is transparent or translucent.

[0059] In this embodiment, the elastic member is set to be transparent or semi-transparent, so as to facilitate observation of the flow rate (or dripping rate) outputted from the liquid outlet of the conduit 11 .

[0060] See also Figure 1-4 In one embodiment, a counterweight 111 is provided at the liquid inlet end of the conduit 11 .

[0061] In this embodiment, a counterweight block 111 is provided at the liquid inlet end of the catheter 11, so that when in use, the weight of the counterweight block 111 can drive the liquid inlet end of the catheter 11 to be immersed in the liquid, so as to ensure that the liquid is continuously transported to the infusion head under the action of the siphon effect of the catheter 11, thereby realizing automatic watering of the plants.

[0062] See also Figure 5 In one embodiment, the conduit 11 is provided with a first flow regulating member 112 , and the first flow regulating member 112 is used to adjust the flow rate of the liquid outputted from the liquid outlet end of the conduit 11 .

[0063] In this embodiment, by providing a first flow regulating member 112 on the conduit 11, the liquid flow rate output from the liquid outlet end of the conduit 11 can be effectively and flexibly controlled to avoid a large amount of water being output, thereby wasting water resources. The corresponding water output can be matched according to the needs of various plants (such as supplying water in the form of dripping), thereby providing a good growth environment for the plants.

[0064] See also Figure 1-4 In one embodiment, the infusion head includes a permeation head 131, which is sleeved with an elastic member. The permeation head 131 is provided with a first water storage chamber, which is used to receive the liquid transported by the catheter 11, and the liquid in the first water storage chamber can penetrate into the outside through the permeation head 131.

[0065] In this embodiment, the permeation head 131 receives and stores the liquid transported by the catheter 11 through the first water storage chamber, and at the same time can improve the liquid permeability surface of the permeation head 131 to achieve a uniform water permeability effect.

[0066] In one embodiment, the penetration head 131 is made of ceramic or gypsum.

[0067] In this embodiment, since the penetration head 131 is made of ceramic or gypsum, it has the effects of high strength and good water permeability.

[0068] See also Figure 6In one embodiment, the infusion head includes a watering head 132, which is sleeved with an elastic member. The watering head 132 is provided with a second water storage chamber and a water outlet 132-1. The second water storage chamber is used to receive and store the liquid transported by the catheter 11. The water outlet 132-1 is connected to the second water storage chamber to transport the liquid in the second water storage chamber to the outside.

[0069] In this embodiment, the watering head 132 receives and stores the liquid transported by the conduit 11 through the second water storage chamber, and ensures that the water outlet 132-1 can stably transport the liquid to the outside.

[0070] In one embodiment, the watering head 132 is integrally made of plastic.

[0071] In this embodiment, the watering head 132 is made of plastic in one piece, which can improve the molding efficiency, overall stability, and shape shaping effect, and reduce production costs.

[0072] See also Figure 6 In one embodiment, the watering head 132 is further provided with a second flow regulating member 133, and the second flow regulating member 133 is installed at the water outlet 132-1, and the second flow regulating member 133 is used to adjust the liquid flow rate output by the water outlet 132-1.

[0073] In this embodiment, by setting a second flow regulating member 133 at the water outlet 132-1, the liquid flow rate output by the water outlet 132-1 can be effectively and flexibly controlled to avoid excessive water output, thereby avoiding waste of water resources, and matching the corresponding water output according to the needs of various plants (such as supplying water in the form of dripping), thereby providing a good growth environment for plants.

[0074] The first flow regulating member 112 and the second flow regulating member 133 may be flow regulating valves in the prior art. For example, the first flow regulating member 112 may be a flow rate regulator used in a medical infusion bottle (i.e., a hanging bottle). The first flow regulating member 112 and the second flow regulating member 133 may be set as required. For example, when the infusion head is an infiltration head 131, only the first flow regulating member 112 (such as Figure 5 As shown), when the infusion head is a watering head 132, the first flow regulating member 112 and the second flow regulating member 133 can be used at the same time, or only the second flow regulating member 133 can be used (as shown in Figure 6 shown).

[0075] See also Figure 7 One embodiment of the utility model further provides a breeding system, comprising:

[0076] A breeding device 2, used for breeding plants;

[0077] A liquid supply device 3, which stores liquid to provide liquid to the plants grown in the cultivation device 2;

[0078] In the watering device 1 as described in any of the above items, the liquid inlet end of the conduit 11 is arranged in the liquid inside the liquid supply device 3, the infusion head is inserted on the breeding device 2, and the liquid outlet end of the conduit 11 and the position height of the infusion head are lower than the liquid level height of the liquid inside the liquid supply device 3.

[0079] In this embodiment, by setting the liquid inlet end of the catheter 11 in the liquid inside the liquid supply device 3, and inserting the infusion head on the breeding device 2, since the position height of the liquid outlet end of the catheter 11 and the infusion head is lower than the liquid level height of the liquid inside the liquid supply device 3, after the catheter 11 is quickly operated for the first time through 12 to discharge water, the siphon effect can be effectively guaranteed to continue to occur, so that the watering device 1 can continuously absorb liquid from the liquid supply device 3 and transport it to the breeding device 2, so as to achieve the effect of automatic watering of the plants.

[0080] Among them, the advantages and beneficial effects of the watering device 1 have been explained above and will not be repeated here. Since the breeding system includes the watering device 1, the breeding system also has the same advantages and beneficial effects.

[0081] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A watering device, characterized in that: include: A catheter, used to deliver liquid to the infusion head; A water absorbing member, comprising an elastic member and a cover body, wherein the elastic member is connected to the conduit through the cover body, and the elastic member is used to discharge part or all of the gas in the conduit to the outside, so that a negative pressure is generated at the liquid inlet end of the conduit and the liquid outside the liquid inlet end can be absorbed into the conduit; The infusion head is located at the liquid outlet end of the catheter to receive the liquid transported by the catheter and transport the liquid to the outside.

2. The watering device according to claim 1, characterized in that: The cover body is sleeved with the catheter; The elastic member is detachably connected to the cover body, or the elastic member is integrally arranged with the cover body.

3. The watering device according to claim 1, characterized in that: The elastic member is integrally made of soft plastic, wherein the elastic member includes one or more of an elastic hose, an elastic soft ball and an elastic soft air bag.

4. The watering device according to claim 3, characterized in that: When the elastic member is subjected to an external force, the elastic member can contract so that the gas in the conduit is discharged from the liquid inlet end; When the external force applied to the elastic member disappears, the elastic member can rebound, so that negative pressure is generated at the liquid inlet end of the catheter and the liquid outside the liquid inlet end can be sucked into the catheter.

5. The watering device according to claim 3, characterized in that: When the elastic member comprises an elastic hose, the elastic hose comprises one or more of a corrugated hose and a threaded hose, so as to facilitate winding of the catheter.

6. The watering device according to claim 1, characterized in that: The elastic member is transparent or translucent.

7. The watering device according to claim 1, characterized in that: A counterweight is provided at the liquid inlet end of the conduit; And / or, the conduit is provided with a first flow regulating member, and the first flow regulating member is used to regulate the flow rate of the liquid outputted from the liquid outlet end of the conduit.

8. The watering device according to any one of claims 1 to 7, characterized in that: The infusion head includes a penetration head, which is sleeved with the elastic member, and is provided with a first water storage chamber, which is used to receive the liquid transported by the catheter, and the liquid in the first water storage chamber can penetrate into the outside through the penetration head, wherein the penetration head is made of ceramic or gypsum.

9. The watering device according to any one of claims 1 to 7, characterized in that: The infusion head includes a watering head, which is sleeved with the elastic member. The watering head is provided with a second water storage chamber and a water outlet. The second water storage chamber is used to receive and store the liquid transported by the catheter. The water outlet is connected to the second water storage chamber to transport the liquid in the second water storage chamber to the outside.

10. The watering device according to claim 9, characterized in that The watering head is made of plastic in one piece; And / or, the watering head is further provided with a second flow regulating member, the second flow regulating member is installed at the water outlet, and the second flow regulating member is used to adjust the flow rate of the liquid outputted from the water outlet.