An automatically openable water tank spout for a watering cart

CN224376620UActive Publication Date: 2026-06-19CLW HEAVY IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CLW HEAVY IND CO LTD
Filing Date
2025-06-17
Publication Date
2026-06-19

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Abstract

This utility model relates to the field of water sprinkler truck technology and discloses an automatically opening and closing water tank inlet for a water sprinkler truck, including an inlet body. A tank cover is rotatably connected to the top of the inlet body, and the inlet body and the tank cover are fixedly connected by a hinge. A linkage mechanism is fixedly connected to the right side of the hinge. This automatically opening and closing water tank inlet for a water sprinkler truck solves the problem that in the prior art, the water tank inlet of a water sprinkler truck is located on the top of the water tank. Traditional water tank inlets for water sprinkler trucks mostly use a manual opening and closing structure. During operation, it is necessary for people to climb to the roof of the vehicle to operate the tank cover. When frequently adding water, manual opening and closing is time-consuming and labor-intensive, affecting the operating efficiency of the water sprinkler truck. Moreover, manual locking is prone to failure to close the tank cover tightly due to operational errors, resulting in sewage splashing and environmental pollution during transportation. More importantly, the operator has to work at a height on the roof of the vehicle, which is prone to the risk of falling due to slippery conditions or bumps.
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Description

Technical Field

[0001] This utility model relates to the field of water sprinkler truck technology, specifically to a water tank inlet for a water sprinkler truck that can open and close automatically. Background Technology

[0002] Water sprinkler trucks are suitable for washing various road surfaces, watering trees, green belts, and lawns, as well as for road and factory construction and high-rise building cleaning. They feature functions such as watering, dust suppression, high and low-level spraying, pesticide spraying, and guardrail washing. They also have water transport, drainage, and emergency firefighting capabilities.

[0003] The water tank inlet of sprinkler trucks is located on the top of the water tank. Traditional sprinkler truck water tank inlets mostly use a manual opening and closing structure. During operation, it is necessary to climb to the top of the vehicle to operate the tank opening cover. When frequently adding water, manual opening and closing is time-consuming and labor-intensive, affecting the operation efficiency of the sprinkler truck. Moreover, manual locking is prone to failure to close the tank opening cover tightly due to operational errors, resulting in sewage splashing and pollution of the environment during transportation. More importantly, the operator has to work at a height on the roof of the vehicle, which is prone to the risk of falling due to slippery conditions or bumps. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an automatically opening and closing water tank inlet for sprinkler trucks. It features an automatically opening and closing inlet, solving the problem that in existing sprinkler trucks, the water tank inlet is located on the top of the tank, while traditional sprinkler truck water tank inlets often use a manual opening and closing structure. This requires manual operation, which is time-consuming and labor-intensive during frequent water filling operations, affecting the sprinkler truck's operational efficiency. Furthermore, manual locking is prone to errors that can lead to incomplete closure of the inlet cap, resulting in wastewater splashing and environmental pollution during transport. More importantly, operators must work at a height on the roof, increasing the risk of falls due to slippery conditions or bumpy rides.

[0005] To achieve the aforementioned purpose of automatically opening and closing the water inlet, this utility model provides the following technical solution: an automatically opening and closing water tank inlet for a sprinkler truck, comprising an inlet body, an inlet cover rotatably connected to the top of the inlet body, the inlet body and the inlet cover being fixedly connected by a hinge, a linkage mechanism being fixedly connected to the right side of the hinge, one end of the linkage mechanism being rotatably connected to the inlet cover, a locking mechanism being fixedly connected to the side of the inlet body away from the hinge, and a locking plate adapted to the locking mechanism being fixedly connected to the bottom of the inlet cover.

[0006] Preferably, the hinge includes a first fixing part, a second fixing part, and a pin. The first fixing part is fixedly connected to the top of the pipe cap, and the second fixing part is fixedly connected to the side of the can opening body. Both the first fixing part and the second fixing part have through holes, and the through holes of the first fixing part and the second fixing part coincide. The pin passes through the through holes and is rotatably connected to both the first fixing part and the second fixing part.

[0007] Preferably, the linkage mechanism includes a support arm, a first link, a second link, and an electric push rod. The support arm is fixedly connected to the side of the second fixed part away from the can opening. The bottom of the support arm is rotatably connected to the first link. The two ends of the first link are rotatably connected to the second link and the electric push rod, respectively. The end of the electric push rod away from the first link is rotatably connected to the top of the support arm. The top of the second link is rotatably connected to the can opening cover.

[0008] Preferably, a connecting protrusion is fixedly connected to the side of the filling cap near the second connecting rod, and the filling cap is rotatably connected to the second connecting rod through the connecting protrusion.

[0009] Preferably, the locking mechanism includes a mounting plate fixedly connected to the side of the can opening body away from the linkage mechanism, an electromagnetic lock fixedly connected to the surface of the mounting plate, a lock hole fixedly connected to the side of the can opening body opposite to the electromagnetic lock, and the locking plate sleeved on the outside of the electromagnetic lock.

[0010] Preferably, both the electromagnetic lock and the electric push rod are equipped with signal receivers, and both signal receivers wirelessly transmit signals to an external remote control.

[0011] Compared with the prior art, this utility model provides an automatically opening and closing water tank inlet for a sprinkler truck, which has the following beneficial effects:

[0012] 1. This automatically opening and closing water tanker uses an electric push rod. When in use, pressing the remote control sends a signal that is received by a signal receiver. The receiver then controls the electric push rod to extend, which in turn drives the first linkage. Because the middle of the first linkage is limited by the support arm, and the support arm is fixed to the tank opening, when the electric push rod extends, the first linkage lifts the other end like a seesaw, which in turn lifts the second linkage. The linear motion of the second linkage is then converted into the rotational motion of the tank opening lid through the lever principle, achieving one-button automatic opening and closing without the need for manual climbing, greatly improving work efficiency and safety.

[0013] 2. This automatically opening and closing water tank inlet of the sprinkler truck is equipped with an electromagnetic lock. During use, pressing another button on the remote control sends signals of different frequencies, which are received by a signal receiver. The receiver then controls the extension of the electromagnetic lock's bolt. The bolt passes through the through-hole of the locking plate and extends into the lock hole, thus securing the pipe cap and preventing it from opening. This automatically locks the tank cap when closed, preventing loosening due to transportation bumps and completely solving the problem of sewage leakage. By installing the locking mechanism on the side of the tank body away from the linkage mechanism, water flow can be prevented from corroding the core components, extending their service life. Attached Figure Description

[0014] Figure 1This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 This utility model Figure 1 Enlarged view of section B in the middle.

[0017] In the diagram: 1. Can opening body; 2. Can opening cover; 21; 3. Hinge; 31. First fixing part; 32. Second fixing part; 33. Pin; 4. Linkage mechanism; 41. Support arm; 42. First connecting rod; 43. Second connecting rod; 44. Electric push rod; 5. Locking mechanism; 51. Mounting plate; 52. Electromagnetic lock; 53. Lock hole; 6. Locking plate. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-2A water tank opening for an automatically opening and closing sprinkler truck includes a tank opening body 1. A tank opening cover 2 is rotatably connected to the top of the tank opening body 1. The tank opening body 1 and the tank opening cover 2 are fixedly connected by a hinge 3. The hinge 3 includes a first fixing part 31, a second fixing part 32, and a pin 33. The first fixing part 31 is fixedly connected to the top of the pipe opening cover 2, and the second fixing part 32 is fixedly connected to the side of the tank opening body 1. Both the first fixing part 31 and the second fixing part 32 have through holes, and the positions of the through holes of the first fixing part 31 and the second fixing part 32 coincide. The pin 33 passes through the through holes and is rotatably connected to both the first fixing part 31 and the second fixing part 32. A linkage mechanism 4 is fixedly connected to the right side of the hinge 3. One end of the linkage mechanism 4 is rotatably connected to the tank opening cover 2. The linkage mechanism 4 includes a support arm 41, a first connecting rod 42, a second connecting rod 43, and an electric push rod 44. The support arm 41 is fixedly connected to the second fixing part. On the side away from the can opening 1, the bottom of the support arm 41 is rotatably connected to the first connecting rod 42. The first connecting rod 42 has several rectangular array mounting holes. The first connecting rod 42 is rotatably connected to the support arm 41 through the middle mounting hole. The two ends of the first connecting rod 42 are rotatably connected to the second connecting rod 43 and the electric push rod 44, respectively. The first connecting rod 42 is rotatably connected to the second connecting rod 43 and the electric push rod 44 through the mounting holes at both ends. The end of the electric push rod 44 away from the first connecting rod 42 is rotatably connected to the top of the support arm 41. The top of the second connecting rod 43 is rotatably connected to the can opening cover 2. The side of the filling cover 2 closest to the second connecting rod 43 is fixedly connected to the connecting protrusion 21. The filling cover 2 is rotatably connected to the second connecting rod 43 through the connecting protrusion 21. The side of the can opening 1 away from the hinge 3 is fixedly connected to the locking mechanism 5. The bottom of the can opening cover 2 is fixedly connected to the locking plate 6 that is compatible with the locking mechanism 5.

[0020] In this embodiment, by setting an electric push rod 44, when in use, pressing the remote control sends a signal that is received by the signal receiver. The signal receiver then controls the electric push rod 44 to extend, thereby driving the first connecting rod 42 to move. Since the middle part of the first connecting rod 42 is limited by the support arm 41, and the support arm 41 is fixed to the can opening body 1, when the electric push rod 44 extends, the first connecting rod 42 lifts the other end like a seesaw, thereby driving the second connecting rod 43 to rise. Then, the linear motion of the second connecting rod 43 is converted into the rotational motion of the can opening lid 2 through the lever principle, realizing one-button automatic opening and closing without the need for manual climbing, greatly improving work efficiency and safety.

[0021] Example 2, please refer to Figure 3 This embodiment is a further optimization based on Embodiment 1. The parts that are the same as those described above will not be repeated here. Figure 2As shown, to further better realize the present invention, the following configuration is specifically adopted: the locking mechanism 5 includes a mounting plate 51 fixedly connected to the side of the can opening 1 away from the linkage mechanism, an electromagnetic lock 52 is fixedly connected to the surface of the mounting plate 51, a lock hole 53 is fixedly connected to the side of the can opening 1 opposite to the electromagnetic lock 52, a locking plate 6 is sleeved on the outside of the electromagnetic lock 52, and both the electromagnetic lock 52 and the electric push rod 44 are provided with signal receivers, and both signal receivers wirelessly transmit signals to the external remote control.

[0022] In this embodiment, by setting up an electromagnetic lock 52, when another button on the remote control is pressed during use, the remote control emits signals of different frequencies, which are received by a signal receiver. The signal receiver then controls the bolt of the electromagnetic lock 52 to extend. The bolt of the electromagnetic lock 52 passes through the through hole of the locking plate 6 and extends into the lock hole 53, thereby fixing the pipe cap 2 in place and preventing it from opening. This also automatically locks the tank cap 2 when closed, preventing loosening due to transportation bumps and completely solving the sewage leakage problem. By installing the locking mechanism 5 on the side of the tank body 1 away from the linkage mechanism, water flow can be prevented from eroding the core components, extending their service life.

[0023] In summary, this automatically opening and closing water tank inlet of the sprinkler truck solves the problem that in existing technologies, the water tank inlet of sprinkler trucks is located on the top of the water tank. Traditional sprinkler truck water tank inlets mostly use a manual opening and closing structure, which requires people to climb to the roof to operate the tank cap. When frequently adding water, manual opening and closing is time-consuming and labor-intensive, affecting the operating efficiency of the sprinkler truck. Moreover, manual locking is prone to failure to close the tank cap tightly due to operational errors, resulting in sewage splashing and pollution of the environment during transportation. More importantly, the operator has to work at a height on the roof, which is prone to the risk of falling due to slippery conditions or bumps.

[0024] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatically openable and closable water tank spout for a watering cart, comprising a spout body (1), a spout cover (2) rotatably connected to the top of the spout body (1), and a hinge (3) fixedly connecting the spout body (1) and the spout cover (2), characterized in that: A linkage mechanism (4) is fixedly connected to the right side of the hinge (3). One end of the linkage mechanism (4) is rotatably connected to the can lid (2). A locking mechanism (5) is fixedly connected to the side of the can body (1) away from the hinge (3). A locking plate (6) that matches the locking mechanism (5) is fixedly connected to the bottom of the can lid (2).

2. The water tank inlet of a sprinkler truck with automatic opening and closing as described in claim 1, characterized in that: The hinge (3) includes a first fixing part (31), a second fixing part (32) and a pin (33). The first fixing part (31) is fixedly connected to the top of the pipe cap (2), and the second fixing part (32) is fixedly connected to the side of the can opening body (1). Both the first fixing part (31) and the second fixing part (32) have through holes. The positions of the through holes of the first fixing part (31) and the second fixing part (32) coincide. The pin (33) passes through the through hole and is rotatably connected to both the first fixing part (31) and the second fixing part (32).

3. The water tank inlet of a sprinkler truck with automatic opening and closing as described in claim 2, characterized in that: The linkage mechanism (4) includes a support arm (41), a first connecting rod (42), a second connecting rod (43), and an electric push rod (44). The support arm (41) is fixedly connected to the side of the second fixing part (32) away from the can opening body (1). The bottom of the support arm (41) is rotatably connected to the first connecting rod (42). The two ends of the first connecting rod (42) are rotatably connected to the second connecting rod (43) and the electric push rod (44) respectively. The end of the electric push rod (44) away from the first connecting rod (42) is rotatably connected to the top of the support arm (41). The top of the second connecting rod (43) is rotatably connected to the can opening cover (2).

4. The water tank inlet of a sprinkler truck with automatic opening and closing as described in claim 3, characterized in that: The filling cap (2) is fixedly connected to a connecting protrusion (21) on the side near the second connecting rod (43), and the filling cap (2) is rotatably connected to the second connecting rod (43) through the connecting protrusion (21).

5. The water tank inlet of a sprinkler truck with automatic opening and closing as described in claim 4, characterized in that: The locking mechanism (5) includes a mounting plate (51) fixedly connected to the side of the can opening body (1) away from the linkage mechanism. An electromagnetic lock (52) is fixedly connected to the surface of the mounting plate (51). A lock hole (53) is fixedly connected to the side of the can opening body (1) opposite to the electromagnetic lock (52). The locking plate (6) is sleeved on the outside of the electromagnetic lock (52).

6. The water tank inlet of a sprinkler truck with automatic opening and closing as described in claim 5, characterized in that: Both the electromagnetic lock (52) and the electric push rod (44) are equipped with signal receivers, and both signal receivers transmit signals wirelessly to the external remote control.