Labor-saving trigger of high-pressure water gun

By utilizing the lever principle and a power-assisted spring design, this force-saving trigger solves the problems of excessive operating force and difficulty in precise control associated with traditional high-pressure water gun triggers. It achieves easy operation and safe locking, improving user convenience and safety.

CN224573924UActive Publication Date: 2026-07-31AIRE SHANGHAI CLEANING EQUIP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
AIRE SHANGHAI CLEANING EQUIP
Filing Date
2025-09-19
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

The traditional high-pressure water gun trigger structure is not optimized enough, resulting in a large operating force, user hand fatigue, difficulty in achieving precise control, and a lack of labor-saving auxiliary structure.

Method used

The lever-based, force-saving trigger, combined with a power-assist spring and a limit block, allows for easy operation of the valve stem by gripping the main trigger from the inside, and provides a safety locking mechanism through a locking block.

Benefits of technology

It reduces the difficulty of operation, reduces the physical exertion of users, improves the convenience and safety of operation, ensures the accurate opening and closing of valves, and prevents accidental opening.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a labor-saving trigger for a high-pressure water gun, including a gun housing, a valve assembly, and a main trigger. One end of the gun housing forms a handle, and the other end has a water outlet. The valve assembly is disposed inside the gun housing and is used to open or close the water outlet. It includes a valve stem that is longitudinally slidable within the gun housing. The valve stem has an open position (opening the valve assembly) and a closed position (closing the valve assembly). One end of the main trigger is bent to form a holding part, and the other end extends to one side of the handle. This utility model utilizes the lever principle, allowing the user to easily open the valve assembly by gripping the main trigger with minimal force, thus greatly reducing operational difficulty and improving ease of use. It is particularly suitable for scenarios requiring frequent operation of high-pressure water guns, effectively reducing the user's physical exertion.
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Description

Technical Field

[0001] This utility model relates to the technical field of high-pressure water guns, and in particular to a force-saving trigger for a high-pressure water gun. Background Technology

[0002] In high-pressure water gun applications, the trigger is a crucial component controlling the opening and closing of water flow, and its ease of operation and labor-saving features directly impact the user experience. Traditional high-pressure water gun triggers have a relatively simple structure, typically featuring a single trigger that opens and closes the valve by directly pressing down on the trigger to move the valve stem. However, this traditional structure has several shortcomings in practical use.

[0003] On the one hand, due to the less-than-optimal design of the connection between the trigger and the valve stem and the force transmission path, the user needs to apply a lot of force to move the valve stem during operation. Especially when using a high-pressure water gun for a long time, the large operating force can cause hand fatigue, reduce work efficiency, and may even cause health problems such as hand muscle strain.

[0004] On the other hand, traditional high-pressure water gun triggers lack effective labor-saving auxiliary structures. During the opening and closing of the valve, they cannot reasonably buffer and assist the force applied by the user, making the operation process less smooth and difficult to achieve precise control of the water flow. Utility Model Content

[0005] In view of the aforementioned problems with existing high-pressure water guns, the aim is to provide a force-saving trigger for high-pressure water guns.

[0006] The specific technical solution is as follows:

[0007] A high-pressure water gun with a labor-saving trigger, comprising:

[0008] A gun case, one end of which forms a gun handle, and the other end of which has a water outlet;

[0009] A valve assembly, disposed within the gun housing, is used to open or close the water outlet. The valve assembly includes a valve stem that is longitudinally slidable within the gun housing. The valve stem has an open position for opening the valve assembly and a closed position for closing the valve assembly.

[0010] The main trigger has one end bent to form a holding part and the other end extending to one side of the gun handle. The bent part of the main trigger is hinged to the gun case. The holding part is located above the valve stem. When the other end of the main trigger is gripped inward through the gun handle, the holding part can press down on the valve stem to switch the valve stem from the closed position to the open position.

[0011] As a further improvement and optimization of this solution, the gun casing also has a water inlet.

[0012] The valve assembly also includes:

[0013] A valve housing is disposed inside the gun housing. The valve housing has a water outlet chamber and a water inlet chamber arranged longitudinally and communicating with the water outlet. The water outlet chamber and the water inlet chamber are connected by a valve port. The water inlet chamber extends downward to a water inlet. The water inlet is located outside the gun housing and communicates with the water inlet chamber through a through hole.

[0014] The valve stem is longitudinally slidably mounted on the top of the valve housing, and the bottom of the valve stem extends sequentially through the outlet chamber and the valve port to the inlet chamber, and is connected to a valve ball. A return spring is provided between the valve ball and the bottom inner wall of the inlet chamber.

[0015] When the valve stem is in the closed position, the valve ball blocks the valve port through the return spring. When the valve stem is in the open position, the valve ball compresses the return spring and disengages from the valve port.

[0016] As a further improvement and optimization of this solution, an assist spring is also provided between the valve body and the pressure holding part, and the assist spring is sleeved on the outside of the valve stem.

[0017] As a further improvement and optimization of this solution, the top of the valve housing protrudes outward to form a positioning part, and the bottom of the assist spring is positioned and sleeved outside the positioning part.

[0018] As a further improvement and optimization of this solution, the water inlet nozzle has external threads on its exterior.

[0019] As a further improvement and optimization of this solution, it also includes:

[0020] A force-saving trigger, the bottom of which is hinged to the other end of the main trigger, and a limiting part is formed at the bottom of the force-saving trigger, and a force-saving spring is connected between the limiting part and the main trigger;

[0021] A limiting block is provided, the bottom of which is elastically and retractably mounted on the gun handle. When the valve stem is in the open position, the limiting part is in limiting contact with the inner top side of the limiting block. When the valve stem is in the closed position, the limiting block is located on the outer top side of the limiting block.

[0022] As a further improvement and optimization of this solution, a guide slope is formed on the top outer side of the limiting block.

[0023] As a further improvement and optimization of this solution, the bottom of the limiting block is slidably disposed inside the gun handle, and a compression spring is provided between the bottom of the limiting block and the gun handle.

[0024] As a further improvement and optimization of this solution, the gun housing has an opening limit post and a closing limit post, which are located on both sides of the main trigger. When the main trigger is engaged with the opening limit post, the valve stem is in the open position. When the main trigger is engaged with the closing limit post, the valve stem is in the closed position.

[0025] As a further improvement and optimization of this solution, the gun casing also has a bolt, one end of which can be slidably moved to a locked position and an unlocked position;

[0026] The main trigger has a locking block. When the bolt is in the locked position, the top of the locking block can engage with the bolt to limit its movement, so that the valve stem is in the closed position.

[0027] The positive effects of the above technical solution compared with the existing technology are:

[0028] (1) This utility model utilizes the lever principle. Users only need to use a small amount of force to grip the main trigger to press down the valve rod, which can easily open the valve assembly. This greatly reduces the difficulty of operation and improves the convenience of use. It is especially suitable for scenarios where high-pressure water guns need to be operated frequently, effectively reducing the user's physical exertion.

[0029] (2) This utility model utilizes the lever principle. Users only need to use a small amount of force to grip the main trigger to press down the valve rod, which can easily open the valve assembly. This greatly reduces the difficulty of operation and improves the convenience of use. It is especially suitable for scenarios where high-pressure water guns need to be operated frequently, effectively reducing the user's physical exertion.

[0030] (3) The inner side of the labor-saving trigger of this utility model forms a receiving groove that matches the main trigger. When the valve stem is in the closed position, the main trigger is placed in the receiving groove under the action of the labor-saving spring. The design of the receiving groove allows the main trigger to be neatly stored in the labor-saving trigger when the valve is closed or in the closed state, making the entire labor-saving trigger structure more compact and beautiful.

[0031] (4) The opening and closing limit posts of this utility model can accurately limit the rotation range of the main trigger, thereby ensuring that the valve stem can accurately reach the open and closed positions, avoiding the problem of inaccurate valve opening or closing caused by excessive or insufficient rotation of the main trigger, and improving the stability and reliability of the high-pressure water gun.

[0032] (5) The design of the bolt and locking block of this utility model provides a safe locking mechanism for the high-pressure water gun. When the high-pressure water gun is not needed, the bolt can be moved to the locking position to prevent the main trigger from being accidentally triggered, thereby avoiding the valve from being accidentally opened and causing water waste or safety accidents, thus improving the safety and reliability of the high-pressure water gun. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the structure of a high-pressure water gun with a force-saving trigger in the closed state according to the present invention.

[0034] Figure 2 This is a schematic diagram of the unlocking bolt locking mechanism of a high-pressure water gun with a force-saving trigger according to this utility model;

[0035] Figure 3 This is a schematic diagram of the structure of the high-pressure water gun's force-saving trigger in the open state, according to the present invention.

[0036] Figure 4 This is a structural diagram of a high-pressure water gun's force-saving trigger in both the released main trigger and the force-saving trigger states.

[0037] Figure 5 This is a schematic diagram of the valve assembly of a high-pressure water gun labor-saving trigger according to the present invention;

[0038] Figure 6 This is a schematic diagram of the limiting part and the limiting block of a high-pressure water gun force-saving trigger in the closed state according to the present invention;

[0039] Figure 7 This is a schematic diagram of the limiting part and the limiting block in the limiting contact state of the high-pressure water gun force-saving trigger of this utility model in the open state;

[0040] Figure 8 This is a schematic diagram of the structure of a high-pressure water gun force-saving trigger of the present invention, in the state of releasing the main trigger and the force-saving trigger, in which the limiting part is about to disengage from the limiting block;

[0041] In the attached diagram: 1. Gun casing; 2. Main trigger; 3. Valve assembly; 4. Force-saving trigger; 5. Bolt; 6. Force-saving spring; 7. Limiting block; 8. Compression spring; 11. Gun handle; 12. Outlet nozzle; 13. Inlet nozzle; 14. Opening limit post; 15. Closing limit post; 151. Locking block; 21. Holding part; 31. Valve stem; 32. Valve housing; 33. Valve ball; 34. Return spring; 35. Rubber pad; 36. Assist spring; 41. Limiting part; 42. Receiving groove; 71. Guide slope; 321. Positioning part; 322. Outlet chamber; 323. Valve port; 324. Inlet chamber; 325. Through hole. Detailed Implementation

[0042] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0043] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0044] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0045] Figure 1 This is a schematic diagram of the structure of a high-pressure water gun with a force-saving trigger in the closed state according to the present invention. Figure 2 This is a schematic diagram of the unlocking bolt locking mechanism of a high-pressure water gun with a force-saving trigger according to this utility model; Figure 3 This is a schematic diagram of the structure of the high-pressure water gun's force-saving trigger in the open state, according to the present invention. Figure 4 This is a structural diagram of a high-pressure water gun's force-saving trigger in both the released main trigger and the force-saving trigger states. Figure 5 This is a schematic diagram of the valve assembly of a high-pressure water gun labor-saving trigger according to the present invention; Figure 6 This is a schematic diagram of the limiting part and the limiting block of a high-pressure water gun force-saving trigger in the closed state according to the present invention; Figure 7 This is a schematic diagram of the limiting part and the limiting block in the limiting contact state of the high-pressure water gun force-saving trigger of this utility model in the open state; Figure 8 This is a schematic diagram of the structure of a high-pressure water gun's force-saving trigger in the state of releasing the main trigger and the force-saving trigger, showing that the limiting part is about to disengage from the limiting block. Figure 1-8The diagram shows a preferred embodiment of a high-pressure water gun with a labor-saving trigger 4, comprising a gun housing 1, a valve assembly 3, and a main trigger 2. One end of the gun housing 1 forms a handle 11, and the other end has a water outlet 12. The valve assembly 3 is disposed within the gun housing 1 and is used to open or close the water outlet 12. It includes a valve stem 31, which is longitudinally slidable within the gun housing 1. The valve stem 31 has an open position for opening the valve assembly 3 and a closed position for closing the valve assembly 3. One end of the main trigger 2 is bent to form a holding portion 21. The other end extends to one side of the handle 11, and the bend of the main trigger 2 is hinged inside the gun case 1. The holding part 21 is located above the valve stem 31. When the other end of the main trigger 2 is gripped inward through the handle 11, the holding part 21 can press down on the valve stem 31 to switch the valve stem 31 from the closed position to the open position. Specifically, by gripping the other end of the main trigger 2 inside the handle 11, the main trigger 2 is rotated, which in turn causes the holding part 21 to press down on the valve stem 31, so that the valve stem 31 is pressed down to the open position to complete the opening operation of the valve assembly 3.

[0046] This application utilizes the lever principle, allowing users to easily open the valve assembly 3 by using only a small amount of force to grip the main trigger 2 and press down the valve stem 31 with the holding part 21. This greatly reduces the difficulty of operation and improves the ease of use, making it especially suitable for scenarios that require frequent operation of high-pressure water guns and effectively reducing the user's physical exertion.

[0047] Furthermore, in a preferred embodiment, the gun housing 1 also includes a water inlet 13; the valve assembly 3 further includes a valve housing 32, which is disposed inside the gun housing 1. The valve housing 32 has a water outlet chamber 322 and a water inlet chamber 324 arranged longitudinally within it, communicating with the water outlet 12. The water outlet chamber 322 and the water inlet chamber 324 are connected via a valve port 323. The water inlet chamber 324 extends downward to include the water inlet 13, which is located outside the gun housing 1 and communicates with the water inlet chamber 324 via a through hole 325. The valve stem 31 is longitudinally slidably mounted on the top of the valve housing 32, and its bottom extends sequentially through the outlet chamber 322 and the valve port 323 into the inlet chamber 324, where it is connected to a valve ball 33. A return spring 34 is installed between the valve ball 33 and the bottom inner wall of the inlet chamber 324. When the valve stem 31 is in the closed position, the valve ball 33 blocks the valve port 323 through the return spring 34. When the valve stem 31 is in the open position, the valve ball 33 compresses the return spring 34 and disengages from the valve port 323. Specifically, the structural design of the valve assembly 3 allows the inlet, outlet, and valve control to be completed within a relatively compact and orderly space. The cooperation between the valve ball 33 and the return spring 34 enables the valve port 323 to be opened and closed quickly and accurately, ensuring that the water flow passes smoothly when needed and is promptly cut off when not needed, thus improving the working efficiency and reliability of the high-pressure water gun.

[0048] Even better, a rubber pad 35 is provided on the side of the valve port 323 facing the valve ball 33 to improve the sealing effect of the valve ball 33 on the valve port 323.

[0049] In this application, when the main trigger 2 is released, the return spring 34 pushes the valve ball 33 to seal the valve port 323, and at the same time, the valve stem 31 moves from the open position to the closed position. The main trigger 2 reverses and resets. The rubber pad 35 enhances the sealing between the valve ball 33 and the valve port 323, effectively preventing water leakage and avoiding water waste. When the main trigger 2 is released, the return spring 34 can quickly push the valve ball 33 back to seal the valve port 323, so that the valve stem 31 is reset, ensuring the timeliness and accuracy of valve closure.

[0050] Furthermore, as a preferred embodiment, an assist spring 36 is also provided between the valve housing 32 and the holding part 21. The assist spring 36 is sleeved on the outside of the valve stem 31 to increase the reset effect of the main trigger 2.

[0051] Furthermore, in a preferred embodiment, the top of the valve housing 32 protrudes outward to form a positioning part 321, and the bottom of the assist spring 36 is positioned and sleeved outside the positioning part 321. The positioning part 321 ensures the accurate installation position of the assist spring 36 outside the valve stem 31, prevents the assist spring 36 from shifting during operation, ensures that the assist spring 36 can function stably and effectively, and improves the stability and reliability of the entire force-saving trigger 4 structure.

[0052] Furthermore, as a preferred embodiment, the water inlet nozzle 13 has external threads. The external thread design allows the water inlet nozzle 13 to be easily threadedly connected to external water pipes and other connecting components, resulting in a firm connection and good sealing performance. This facilitates quick connection and disconnection of the high-pressure water gun from the water source, improving ease of use and flexibility.

[0053] Furthermore, as a preferred embodiment, it also includes: a force-saving trigger 4 and a limiting block 7. The bottom of the force-saving trigger 4 is hinged to the other end of the main trigger 2. A limiting part 41 is formed at the bottom of the force-saving trigger 4. A force-saving spring 6 is connected between the limiting part 41 and the main trigger 2. The bottom of the limiting block 7 is elastically and retractably mounted on the gun handle 11. When the valve stem 31 is in the open position, the limiting part 41 is in limiting contact with the inner side of the top of the limiting block 7. When the valve stem 31 is in the closed position, the limiting part 41 is located on the outer side of the top of the limiting block 7. Specifically, a force-saving trigger 4 is provided. When opening the valve assembly 3, the force-saving trigger 4 and the main trigger 2 are gripped in the handle, causing the force-saving trigger 4 and the main trigger 2 to rotate around the hinge between the main trigger 2 and the gun housing 1. When the limiting part 41 contacts the limiting block 7, the limiting block 7 is pressed down, causing the limiting block 7 to elastically contract until the limiting part 41 passes the limiting block 7. At this time, the limiting block 7 elastically extends and resets, and the inner side of the top of the limiting block 7 makes limiting contact with the limiting part 41 to counteract the reset rotational torque of the return spring 34 and the assist spring 36 on the main trigger 2, thereby reducing the valve assembly's rotational torque. 3. When the user's grip force is applied in the open state, and the valve assembly 3 needs to be closed, the force-saving trigger 4 and the main trigger 2 are released. Under the elastic action of the return spring 34 and the assist spring 36, the main trigger 2 has a tendency to reverse and reset, and the top of the force-saving trigger 4 rotates outward around the hinge with the main trigger 2, and drives the limiting part 41 to rotate synchronously. When the bottom of the limiting part 41 rotates to the top of the limiting block 7, the limiting part 41 can pass over the limiting block 7 and rotate outward, and the main trigger 2 resets and rotates until the valve stem 31 is reset to the closed position.

[0054] The coordinated design of the force-saving trigger 4 and the limit block 7 in this application effectively counteracts the return rotation torque of the return spring 34 and the assist spring 36 on the main trigger 2 when the valve is open, greatly reducing the internal gripping force that the user needs to continuously apply when the valve is open, thus reducing operator fatigue. When the valve is closed, the elasticity of the springs allows all components to return to their original positions smoothly, making operation simple and convenient, and further improving the comfort and ease of use of the high-pressure water gun.

[0055] More specifically, the inner side of the force-saving trigger 4 forms a receiving groove 42 that matches the main trigger 2. When the valve stem 31 is in the closed position, the main trigger 2 is placed in the receiving groove 42 under the action of the force-saving spring 6. The design of the receiving groove 42 allows the main trigger 2 to be neatly stored in the force-saving trigger 4 when the valve is closed or in the closed state, making the entire force-saving trigger 4 structure more compact and aesthetically pleasing.

[0056] Furthermore, in a preferred embodiment, a guide slope 71 is formed on the top outer side of the limiting block 7. When gripped inward, the bottom of the limiting part 41 first contacts the guide slope 71 and smoothly presses down on the limiting block 7. The guide slope 71 allows the limiting part 41 to guide the elastic contraction of the limiting block 7 more smoothly when it contacts the limiting block 7, avoiding jamming or stuck phenomena that may occur due to direct contact. This ensures the smoothness of the cooperation between the force-saving trigger 4 and the limiting block 7, and improves the reliability and stability of operation.

[0057] Furthermore, in a preferred embodiment, the bottom of the limiting block 7 is slidably disposed within the gun handle 11, and a compression spring 8 is provided between the bottom of the limiting block 7 and the gun handle 11. The compression spring 8 provides elastic support for the limiting block 7, enabling the limiting block 7 to elastically contract smoothly when pressed down by the limiting part 41, and to quickly reset after the limiting part 41 has passed, ensuring the accuracy and timeliness of the limiting contact between the limiting block 7 and the limiting part 41, and further enhancing the stability and reliability of the entire force-saving trigger 4 structure.

[0058] Specifically, the handle 11 and the gun housing 1 have clearance openings to allow the main trigger 2 and the power-saving trigger 4 to pass. The clearance openings provide sufficient space for the rotation of the main trigger 2 and the power-saving trigger 4, preventing interference between the main trigger 2 and the power-saving trigger 4 and the handle 11 and the gun housing 1 during rotation, ensuring smooth trigger operation, and also making the overall structure of the high-pressure water gun more reasonable.

[0059] Furthermore, in a preferred embodiment, the gun housing 1 has an opening limiting post 14 and a closing limiting post 15, which are located on both sides of the main trigger 2. When the main trigger 2 is engaged with the opening limiting post 14, the valve stem 31 is in the open position; when the main trigger 2 is engaged with the closing limiting post 15, the valve stem 31 is in the closed position. The opening limiting post 14 and the closing limiting post 15 can accurately limit the rotation range of the main trigger 2, thereby ensuring that the valve stem 31 can accurately reach the open and closed positions. This avoids the problem of inaccurate valve opening or closing caused by excessive or insufficient rotation of the main trigger 2, and improves the stability and reliability of the high-pressure water gun operation.

[0060] Furthermore, in a preferred embodiment, the gun housing 1 also has a bolt 5, one end of which is slidably movable to a locked position and an unlocked position; the main trigger 2 has a locking block 151, the top of which engages with the bolt 5 when the bolt 5 is in the locked position, thereby keeping the valve stem 31 in the closed position. The design of the bolt 5 and the locking block 151 provides a safe locking mechanism for the high-pressure water gun. When the high-pressure water gun is not in use, moving the bolt 5 to the locked position prevents the main trigger 2 from being accidentally triggered, thus avoiding accidental valve opening that could lead to water waste or safety accidents, and improving the safety and reliability of the high-pressure water gun.

[0061] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model. Those skilled in the art should realize that all solutions obtained by equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A power saving trigger for a high pressure water gun, characterized by, include: A gun case, one end of which forms a gun handle, and the other end of which has a water outlet; A valve assembly, disposed within the gun housing, is used to open or close the water outlet. The valve assembly includes a valve stem that is longitudinally slidable within the gun housing. The valve stem has an open position for opening the valve assembly and a closed position for closing the valve assembly. The main trigger has one end bent to form a holding part and the other end extending to one side of the gun handle. The bent part of the main trigger is hinged to the gun case. The holding part is located above the valve stem. When the other end of the main trigger is gripped inward through the gun handle, the holding part can press down on the valve stem to switch the valve stem from the closed position to the open position.

2. The power saving trigger for a high pressure water gun of claim 1, wherein, The gun casing also has a water inlet; The valve assembly also includes: A valve housing is disposed inside the gun housing. The valve housing has a water outlet chamber and a water inlet chamber arranged longitudinally and communicating with the water outlet. The water outlet chamber and the water inlet chamber are connected by a valve port. The water inlet chamber extends downward to a water inlet. The water inlet is located outside the gun housing and communicates with the water inlet chamber through a through hole. The valve stem is longitudinally slidably mounted on the top of the valve housing, and the bottom of the valve stem extends sequentially through the outlet chamber and the valve port to the inlet chamber, and is connected to a valve ball. A return spring is provided between the valve ball and the bottom inner wall of the inlet chamber. When the valve stem is in the closed position, the valve ball blocks the valve port through the return spring. When the valve stem is in the open position, the valve ball compresses the return spring and disengages from the valve port.

3. The power saving trigger for a high pressure water gun of claim 2, wherein, An assist spring is also provided between the valve body and the pressure holding part, and the assist spring is sleeved on the outside of the valve stem.

4. The power saving trigger for a high pressure water gun of claim 3, wherein, The top of the valve housing protrudes outward to form a positioning part, and the bottom of the assist spring is positioned and sleeved outside the positioning part.

5. The power saving trigger for a high pressure water gun of claim 4, wherein, The water inlet nozzle has external threads on its exterior.

6. The power saving trigger for a high pressure water gun of any one of claims 2-5, wherein, Also includes: A force-saving trigger, the bottom of which is hinged to the other end of the main trigger, and a limiting part is formed at the bottom of the force-saving trigger, and a force-saving spring is connected between the limiting part and the main trigger; A limiting block is provided, the bottom of which is elastically and retractably mounted on the gun handle. When the valve stem is in the open position, the limiting part is in limiting contact with the inner top side of the limiting block. When the valve stem is in the closed position, the limiting part is located on the outer top side of the limiting block.

7. The power saving trigger for a high pressure water gun of claim 6, wherein, A guide slope is formed on the top outer side of the limiting block.

8. The power saving trigger for a high pressure water gun of claim 7, wherein, The bottom of the limiting block is slidably disposed inside the gun handle, and a compression spring is provided between the bottom of the limiting block and the gun handle.

9. The power saving trigger for a high pressure water gun of claim 6, wherein, The gun housing has an opening limit post and a closing limit post, which are located on both sides of the main trigger. When the main trigger is engaged with the opening limit post, the valve stem is in the open position. When the main trigger is engaged with the closing limit post, the valve stem is in the closed position.

10. The power saving trigger for a high pressure water gun of claim 1, wherein, The gun casing also has a bolt, one end of which can be slidably moved to a locked position and an unlocked position; The main trigger has a locking block. When the bolt is in the locked position, the top of the locking block can engage with the bolt to limit its movement, so that the valve stem is in the closed position.