Spray gun

Abstract

The utility model provides a spray gun which comprises a handle and a water outlet head which are connected with each other, the handle is provided with a water inlet channel, the water outlet head is provided with a water outlet channel communicated with the water inlet channel, the water inlet channel is provided with a switch valve core used for controlling on-off of water flow, and the spray gun further comprises a bath bottle rotationally connected to the water outlet head. A breathable cover is arranged on the bath bottle, a liquid outlet hole is formed in the end, connected with the water outlet head, of the breathable cover, a liquid inlet channel is formed in the water outlet head, a Venturi pipeline is arranged in the water outlet channel, the Venturi pipeline is provided with a negative pressure channel, the liquid outlet end of the liquid inlet channel is communicated with the negative pressure channel, and after the bath bottle rotates by a preset angle, the negative pressure channel is communicated with the negative pressure channel. And the liquid outlet hole can be communicated with or staggered from the liquid inlet end of the liquid inlet channel. The spray gun is simple in structure, convenient to use and simple and attractive in appearance.

Description

Technical Field

[0001] This utility model relates to the field of shower equipment technology, and more specifically, to a spray gun. Background Technology

[0002] Showerheads capable of spraying shower gel eliminate the need for users to manually apply it while showering, making them convenient. For example, patent CN215612433U discloses a handheld automatic foaming showerhead, including a shower head with a handle at its bottom. A water pipe is connected to the bottom of the handle, and a diverter valve is fixed to the surface of the water pipe. A mixing tank is fixed to the lower front of the handle, and a connecting pipe is connected to the front of the diverter valve, with the other end of the connecting pipe connected to the bottom of the mixing tank. A retaining ring is fixed to the lower inner wall of the mixing tank, and retaining rods are fixed to all four sides of the inner wall of the retaining ring. A base is fixed to one end of each retaining rod, and a support rod is fixed to the top of the base. A rotating disc is rotatably connected to the top of the support rod. However, this patent connects the mixing tank to the handle, resulting in a complex connection structure that occupies space and is inconvenient to hold.

[0003] In view of this, the applicant hereby submits this application after studying the existing technology. Utility Model Content

[0004] This invention provides a spray gun designed to improve at least one of the aforementioned technical problems.

[0005] To solve the above-mentioned technical problems, this utility model provides a spray gun, including a handle and a water outlet head that are joined together. The handle has a water inlet channel, and the water outlet head has a water outlet channel that communicates with the water inlet channel. The water inlet channel is provided with a switch valve core for controlling the water flow. The spray gun also includes a shower bottle that is rotatably connected to the water outlet head. The shower bottle is provided with a vent cap and has a liquid outlet hole at its connection end with the water outlet head. The water outlet head is provided with a liquid inlet channel, and the water outlet channel is provided with a Venturi tube. The Venturi tube has a negative pressure channel, and the liquid outlet end of the liquid inlet channel communicates with the negative pressure channel. After the shower bottle is rotated through a preset angle, the liquid outlet hole can communicate with or be offset from the liquid inlet end of the liquid inlet channel.

[0006] As a further optimization, the water outlet end of the water outlet head is connected to a panel cover, and multiple filter screens are arranged axially inside the panel cover, with adjacent filter screens separated by gaskets.

[0007] As a further optimization, the handle is provided with two opposing mounting holes, through which the switch valve core is connected to the water inlet.

[0008] As a further optimization, push rods are connected to both ends of the switch valve core. The push rods pass through the mounting holes on the same side and are connected to buttons. A sealing block is provided inside the switch valve core. When the button is pressed, it can push the sealing block to move back and forth through the push rod to block or open the water inlet.

[0009] As a further optimization, the shower bottle has a liquid inlet on the side away from the water outlet, and the vent cap is connected to the liquid inlet.

[0010] As a further optimization, the vent cover is equipped with a duckbill valve.

[0011] As a further optimization, the vent cover is equipped with a pull rod.

[0012] As a further optimization, the vent cap and the liquid inlet are connected by threads.

[0013] As a further optimization, the vent cap is snapped into the liquid filling port.

[0014] By adopting the above technical solution, the present invention can achieve the following technical effects:

[0015] This application's spray gun directly connects a shower bottle containing shower gel to the spray head. The shower bottle has a vent cap and a dispensing hole. The spray head contains an inlet channel and a Venturi tube. The dispensing end of the inlet channel connects to the negative pressure channel of the Venturi tube. When the valve core is opened, water flows into the Venturi tube, creating negative pressure. This rotates the shower bottle to a preset angle, connecting the dispensing hole with the inlet end of the inlet channel. The vent cap allows the shower bottle to communicate with the outside atmosphere. Therefore, under negative pressure, the shower gel in the shower bottle is drawn into the Venturi tube through the inlet channel, mixes with the water, and then flows out, spraying shower gel onto the user. When shower gel is not needed, rotating the shower bottle displaces the dispensing hole and the inlet channel, allowing clear water to flow from the spray head. This application's shower bottle is directly connected to the spray head, utilizing the pressure difference generated by the Venturi tube during operation for dispensing. It has a simple structure, is easy to use, and has a more concise and aesthetically pleasing appearance. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the appearance of a spray gun according to this utility model;

[0018] Figure 2 This is a schematic diagram of the water path of a spray gun when it dispenses clean water according to this utility model;

[0019] Figure 3 This is a schematic diagram of the water path of a spray gun when it dispenses clean water according to this utility model;

[0020] Figure 4 This is an exploded view of the structure of a spray gun according to this utility model;

[0021] The markings in the diagram are: 1-Handle; 11-Inlet channel; 12-Mounting hole; 2-Outlet head; 21-Outlet channel; 22-Liquid inlet channel; 23-Venturi tube; 24-Panel cover; 25-Filter screen; 26-Washer; 3-Switch valve core; 31-Button; 32-Blocking block; 33-Push rod; 34-Button; 4-Shower bottle; 41-Ventilation cap; 42-Liquid outlet; 43-Liquid filling port; 44-Pull rod; 45-Duckbill valve. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. 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. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected 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.

[0023] Example

[0024] Depend on Figures 1 to 4As shown, this embodiment of the utility model provides a spray gun, including a handle 1, a water outlet 2, and a shower bottle 4. The water outlet 2 is connected to the top of the handle 1. The handle 1 has a water inlet channel 11, and the water outlet 2 has a water outlet channel 21 communicating with the water inlet channel 11. The water inlet channel 11 is provided with a switch valve core 3 for controlling the water flow. The shower bottle 4 is rotatably connected to the water outlet 2 and is used to store shower liquid. The shower bottle 4 is provided with a vent cap 41, which allows the interior of the shower bottle 4 to communicate with the outside atmosphere; the shower bottle 4 has a liquid outlet hole 42 at the connection end with the water outlet 2. The water outlet 2 is also provided with a liquid inlet channel 22, and the water outlet channel 21 is provided with a Venturi tube 23. The fluid entering the Venturi tube will generate a pressure difference, therefore, the Venturi tube 23 has a negative pressure channel. The outlet end of the inlet channel 22 is connected to the negative pressure channel of the venturi pipe 23. After the shower bottle 4 is rotated through a preset angle, the outlet hole 42 can be connected to or offset from the inlet end of the inlet channel 22. In this application, the preset angle is preferably 90°. After the shower bottle 4 is rotated 90° clockwise, the outlet hole 42 is connected to the inlet channel 22. At this time, with the switch valve core 3 open, water flows from the inlet channel 11 into the outlet channel 21, flows through the venturi pipe 23, and forms a negative pressure channel at its throat. Under the action of negative pressure, the shower liquid in the shower bottle 4 is drawn into the venturi pipe 23 through the inlet channel 22, mixes with the water, and flows out from the outlet end of the water head 2 to spray the shower liquid onto the user. When clean water is needed, the shower bottle 4 is rotated back 90° counterclockwise, so that the outlet hole 42 is offset from the inlet end of the inlet channel 22. Therefore, no more shower liquid flows out, and the water head 2 can dispense clean water.

[0025] Furthermore, the water outlet of the water outlet 2 is connected to a panel cover 24. Multiple filter screens 25 are axially arranged inside the panel cover 24, with adjacent filter screens 25 separated by gaskets 26. After the mixture of shower gel and water passes through multiple filter screens 25, it produces dense foam, achieving foam-style dispensing. Similarly, after clean water passes through multiple filter screens 25, it also produces bubbles, achieving bubble-style water dispensing, thus enhancing the user experience.

[0026] Reference Figure 4 As shown, the inlet channel 11 has a through hole, and the handle 1 has two opposing mounting holes 12. The switch valve core 3 passes through the mounting holes 12 and is connected to the through hole of the inlet channel 11. Push rods 33 are connected to both ends of the switch valve core 3. The two push rods 33 pass through the mounting holes 12 on the same side and are connected to buttons 34. A sealing block 32 is provided inside the switch valve core 3. When the buttons 34 on both sides are pressed, they can push the sealing block 32 forward or backward through the connected push rods 33, thus sealing or releasing the inlet channel 11 and controlling the flow of water. It is understood that other commonly used switch valve cores can also be used for the switch valve core 3.

[0027] Reference Figure 3 and Figure 4 As shown, the shower bottle 4 has a liquid inlet 43 on the side away from the water outlet 2, and a vent cap 41 is connected to the liquid inlet 43 by thread or snap-fit. A pull rod 44 is connected to one side of the vent cap 41, which allows the user to easily remove the vent cap 41 to add liquid to the shower bottle 4. The vent cap 41 is equipped with a duckbill valve 45, with the duckbill of the valve facing the inside of the shower bottle 4. When the liquid outlet 42 and the liquid inlet channel 22 are connected, the duckbill valve 45 can automatically open to allow air to pass through. When the liquid outlet 42 and the liquid inlet channel 22 are misaligned, the duckbill valve 45 can automatically close to seal the shower bottle 4, preventing the shower liquid from being in contact with the outside atmosphere for a long time.

[0028] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A spray gun comprising a handle and a water outlet head connected to each other, the handle having a water inlet channel, the water outlet head having a water outlet channel communicating with the water inlet channel, a switch valve core being arranged on the water inlet channel for controlling the on-off of water flow, characterized in that, The shower bottle is rotatably connected to the water outlet head, and the shower bottle is provided with a breathable cover, and the connection end of the shower bottle is provided with a liquid outlet hole.

2. A lance according to claim 1, characterized in that The water outlet end of the water outlet head is connected with a panel cover, and a plurality of filter screens are arranged in the panel cover in the axial direction.

3. A lance according to claim 1, characterized in that The handle is provided with two opposite mounting holes, and the switch valve core is connected to the water inlet channel through the mounting holes.

4. A lance according to claim 3, characterized in that The push rod is connected with a push rod at both ends, and the push rod penetrates through the mounting hole on the same side and is connected with a button.

5. A lance according to claim 1, characterized in that The shower bottle is provided with a liquid inlet on the side away from the water outlet head, and the breathable cover is connected to the liquid inlet.

6. A lance according to claim 1, characterized in that The breathable cover is provided with a duckbill valve.

7. A lance according to claim 5, characterized in that The breathable cover is provided with a pull rod.

8. A lance according to claim 7, characterized in that The breathable cover and the liquid inlet are connected through threads.

9. A lance according to claim 7, characterized in that The breathable cover and the liquid inlet are clamped.

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