A spiral water outlet spray gun mechanism

Abstract

The utility model belongs to the spray gun technical field especially relates to a spiral water outlet's spray gun mechanism. Spiral water outlet's spray gun mechanism, include: the spray head main body, its inside is equipped with the water outlet channel, the water guide cavity is established at the spray head main body water outlet and with the water outlet channel's water outlet end intercommunication, the flow vane is established in the water guide cavity, is used for the linear water flow from the water outlet channel is converted into spiral water flow, the rotary nozzle is rotatably arranged in the water guide cavity and is located the downstream of flow vane, the rotary nozzle is equipped with the nozzle flow channel that penetrates its ontology, the water inlet section of nozzle flow channel is parallel with the axis of spray head main body, and its water outlet section is relative to the axis of spray head main body and is inclined, the rotary nozzle under the action of spiral water flow, the rotation around its own axis, make the water flow that from the rotary nozzle finally shoots out with the thread rotation mode shoots out. The utility model has the advantage that improves the irrigation or the cleaning effect.

Description

Technical Field

[0001] This utility model belongs to the field of spray gun technology, and in particular relates to a spiral water-discharge spray gun mechanism. Background Technology

[0002] Garden water guns, as common gardening tools and cleaning equipment, are widely used in cleaning home yards, gardens, farms, and vehicles. They are typically connected to water sources such as tap water pipes or booster pumps via threaded interfaces or quick-connect fittings. Users control the valve core by pulling a trigger to control and regulate the water flow, which is then ejected through the nozzle to irrigate plants or rinse objects.

[0003] Currently, most mainstream garden water guns on the market use a direct-shot nozzle design. This means that the water flow is rectified within the nozzle's internal cavity and then projected out in a near-cylindrical, dense jet. While this method offers advantages such as long range and concentrated impact, the straight jet only affects a very small circular area when it comes into contact with the surface to be cleaned or watered. To cover a larger area, the user must continuously and rapidly move the nozzle, which is not only cumbersome and inefficient but also prone to causing repeated watering or cleaning in certain areas while neglecting others. Utility Model Content

[0004] To address the shortcomings of existing technologies, a spiral water spray gun mechanism with a larger irrigation or cleaning area is provided.

[0005] This utility model is achieved by the following technical solution: a spiral water-discharging spray gun mechanism, comprising:

[0006] The nozzle body has an internal water outlet channel;

[0007] A water guiding cavity is located at the water outlet of the nozzle body and is connected to the water outlet end of the water outlet channel;

[0008] The guide vanes, which are disposed in the water guiding cavity, are used to convert the straight water flow from the water outlet channel into a spiral water flow;

[0009] A rotating nozzle is rotatably disposed within the water guiding cavity and located downstream of the guide vanes; the rotating nozzle is provided with a nozzle flow channel penetrating its body, the inlet section of the nozzle flow channel being parallel to the axis of the nozzle body, and the outlet section being inclined relative to the axis of the nozzle body.

[0010] The rotating nozzle rotates around its own axis under the action of the spiral water flow, so that the water flow that is finally ejected from the rotating nozzle is ejected in a spiral rotation manner.

[0011] This design utilizes a rotating nozzle that spins under the influence of a spiral water flow. Simultaneously, the water outlet section inside the nozzle is tilted relative to the nozzle body's axis, causing the water to be ejected in a spiral rotation. This configuration changes the traditional straight water jet pattern of water guns, expanding the area that can be irrigated and cleaned, thus significantly improving the efficiency of irrigation and cleaning.

[0012] Preferably, the outer wall of the rotary nozzle is evenly distributed with multiple limiting protrusions in the circumferential direction, and there is a clearance fit between the outer end of the limiting protrusion and the inner wall of the water guiding cavity.

[0013] When the rotary nozzle rotates, the limiting protrusion maintains the concentricity of the rotary nozzle and the water guiding cavity through dynamic support.

[0014] Because the rotary nozzle needs to rotate within the water guiding chamber, a large gap is required between the nozzle and the chamber. However, a large gap can cause the nozzle to rotate eccentrically, potentially jamming during rotation. Therefore, a dynamic support with a limiting protrusion is used to stabilize the nozzle. For example, when the nozzle deflects upwards, the upper limiting protrusion abuts against the inner wall of the water guiding chamber, preventing excessive deflection. The same principle applies when the nozzle deflects in other directions.

[0015] Preferably, the water guiding cavity has a water outlet communicating with the outside, and the end of the rotating nozzle near the guide vane is provided with a rotating shaft that is inserted into the center of the guide vane and realizes the rotation of the rotating nozzle; the rotating nozzle has space for axial movement under the action of water flow, so that the rotating nozzle can block the water outlet of the water guiding cavity, so that the water flow is only ejected from the rotating nozzle.

[0016] With the above settings, the rotating nozzle can automatically block the outlet of the guide cavity, so that the water flow only comes from inside the rotating nozzle, ensuring the water flow rate of the rotating nozzle.

[0017] Preferably, the outer diameter of the water outlet end of the rotary nozzle gradually decreases along the water outlet direction.

[0018] The above settings allow the rotating nozzle to better block the outlet of the water guide chamber under the action of water flow.

[0019] Preferably, the rotating nozzle has multiple drive blades at one end near the guide vane. The drive blades are evenly arranged circumferentially and extend axially to receive the spiral water flow generated by the guide vane, and convert the impact force of the water flow into torque that drives the rotating nozzle to rotate around its own axis.

[0020] The above settings enable the rotating nozzle to rotate under the action of the spiral water flow.

[0021] Preferably, the rotating shaft is located at the center of the drive blade and is integrally formed with the drive blade. The multiple drive blades are arranged in a cross shape, and a flow channel for water to enter the nozzle flow channel is formed between adjacent drive blades.

[0022] The above configuration makes the entire rotary nozzle structure more compact, and the integrated molding of the drive blade and the rotating shaft allows for better torque transmission.

[0023] Preferably, the guide vanes are inclined to convert the straight water flow from the outlet channel into a spiral water flow.

[0024] Preferably, the angle α between the central axis of the water outlet section of the rotating nozzle and the axis of the nozzle body is 4° to 10°.

[0025] Compared with existing technologies, the beneficial effects of this invention are as follows: This solution utilizes a rotating nozzle that rotates under the action of a spiral water flow. Simultaneously, the water outlet section inside the rotating nozzle is inclined relative to the axis of the nozzle body, causing the water to be ejected in a spiral rotation manner. This design changes the straight water jet pattern of traditional water guns, expanding the area for irrigation and cleaning, thereby significantly improving the efficiency of irrigation and cleaning. Attached Figure Description

[0026] Figure 1 This is a cross-sectional view of the spray gun mechanism;

[0027] Figure 2 for Figure 1 Enlarged view of the circled area;

[0028] Figure 3 This is a cross-sectional view of the rotating nozzle.

[0029] Figure 4 A schematic diagram of the rotating nozzle and guide vanes;

[0030] Figure 5 This is a schematic diagram of the guide vane structure;

[0031] Figure 6 This is a schematic diagram of the rotating nozzle structure;

[0032] Figure 7 This is a cross-sectional view of the rotating nozzle and guide vanes.

[0033] Reference numerals: 1. Nozzle body; 11. Water outlet channel; 2. Water guide cavity; 3. Impeller; 31. Shaft hole; 32. Guide vane; 4. Rotating nozzle; 41. Shaft; 5. Nozzle flow channel; 51. Water inlet section; 52. Water outlet section; 6. Limiting protrusion; 7. Drive blade; 71. Flow channel. Detailed Implementation

[0034] The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

[0035] like Figure 1 As shown in the figure, this embodiment discloses a spiral water outlet spray gun mechanism, which includes a nozzle body 1. The nozzle body 1 can be connected to a water source such as a tap water pipe or a booster pump via a threaded interface or quick-connect coupling. The nozzle body 1 has a water outlet channel 11 inside, and the direction of water flow is indicated by arrows in the figure.

[0036] A hollow water guiding cavity 2 is provided at the water outlet of the nozzle body 1, and the water guiding cavity 2 is connected to the water outlet end of the water outlet channel 11. An impeller 3 is fixed at the water inlet of the water guiding cavity 2. The impeller 3 is provided with multiple guide blades 32 evenly spaced along the circumference. Each guide blade 32 is inclined so that the straight water flow from the water outlet channel 11 is converted into a spiral water flow.

[0037] A rotating nozzle 4 is also rotatably disposed within the water guiding cavity 2. The rotating nozzle 4 is located downstream of the impeller 3 and is used to receive the spiral water flow generated by the impeller 3. A rotating shaft 41 is provided at one end of the rotating nozzle 4 near the guide vane 32, which is inserted into the center of the guide vane 32 to achieve rotation of the rotating nozzle 4. The impeller 3 has a rotating shaft hole 31 at the center of multiple guide vanes 32, and the rotating shaft 41 is inserted into the rotating shaft hole 31, thereby allowing the rotating nozzle 4 to be rotatably disposed within the water guiding cavity 2.

[0038] The rotating nozzle 4 has a nozzle flow channel 5 that runs through its body. The nozzle flow channel 5 includes an inlet section 51 and an outlet section 52 in sequence along the water outlet direction. The inlet section 51 of the nozzle flow channel 5 is parallel to the axis of the nozzle body 1, and the outlet section 52 is inclined relative to the axis of the nozzle body 1. Furthermore, the angle α between the central axis of the outlet section 52 and the axis of the nozzle body 1 is 4° to 10°.

[0039] The rotary nozzle 4 has multiple drive blades 7 at one end near the guide vane 32. The drive blades 7 are evenly arranged circumferentially. The rotating shaft 41 is located at the center of the drive blades 7 and is integrally formed with the drive blades 7. The four drive blades 7 are arranged in a cross shape, and a flow channel 71 is formed between adjacent drive blades 7 to supply water flow into the nozzle flow channel 5. The drive blades 7 extend axially and are used to receive the spiral water flow generated by the guide vane 32, and convert the impact force of the water flow into torque to drive the rotary nozzle 4 to rotate around its own axis. This causes the entire rotary nozzle 4 to rotate around its own axis under the action of the spiral water flow, so that the water flow finally ejected from the rotary nozzle 4 is ejected in a spiral rotation manner.

[0040] The rotating nozzle 4 has multiple circumferentially distributed limiting protrusions 6 on the outer wall of its outlet. The outer ends of the limiting protrusions 6 are in clearance fit with the inner wall of the water guiding cavity 2. When the rotating nozzle 4 rotates, the limiting protrusions 6 maintain the concentricity of the rotating nozzle 4 and the water guiding cavity 2 through dynamic support. This ensures the coaxiality between the rotating shaft 41 and the rotating shaft hole 31, allowing the rotating shaft 41 to rotate smoothly within the rotating shaft hole 31.

[0041] The rotating shaft hole 31 and the rotating shaft 41 can be axially limited, so the rotating nozzle 4 has space for axial movement within the water guiding cavity 2. The water guiding cavity 2 has a water outlet that communicates with the outside. Under the impact of the water flow, the rotating nozzle 4 will move axially, so that the water outlet end of the rotating nozzle 4 can block the water outlet of the water guiding cavity 2, so that the water flow is only ejected from the rotating nozzle 4, and the outer diameter of the water outlet end of the rotating nozzle 4 gradually decreases along the water outlet direction.

Claims

1. A spiral-type water-discharge spray gun mechanism, characterized in that, include: The nozzle body has an internal water outlet channel; A water guiding cavity is located at the water outlet of the nozzle body and is connected to the water outlet end of the water outlet channel; The guide vanes, which are disposed in the water guiding cavity, are used to convert the straight water flow from the water outlet channel into a spiral water flow; A rotating nozzle is rotatably disposed within the water guiding cavity and located downstream of the guide vanes; the rotating nozzle is provided with a nozzle flow channel penetrating its body, the inlet section of the nozzle flow channel being parallel to the axis of the nozzle body, and the outlet section being inclined relative to the axis of the nozzle body. The rotating nozzle rotates around its own axis under the action of the spiral water flow, so that the water flow that is finally ejected from the rotating nozzle is ejected in a spiral rotation manner.

2. The spiral water-discharge spray gun mechanism according to claim 1, characterized in that: The outer wall of the rotary nozzle has multiple limiting protrusions evenly distributed circumferentially, and there is a clearance fit between the outer end of the limiting protrusion and the inner wall of the water guiding cavity. When the rotary nozzle rotates, the limiting protrusion maintains the concentricity of the rotary nozzle and the water guiding cavity through dynamic support.

3. The spiral water-discharge spray gun mechanism according to claim 1, characterized in that: The water guiding cavity has an outlet that communicates with the outside. The end of the rotating nozzle near the guide vane is provided with a rotating shaft that is inserted into the center of the guide vane and enables the rotating nozzle to rotate. The rotating nozzle has space for axial movement under the action of water flow, so that the rotating nozzle can block the outlet of the water guiding cavity, so that the water flow is only ejected from the rotating nozzle.

4. The spiral water-discharge spray gun mechanism according to claim 3, characterized in that: The outer diameter of the water outlet end of the rotary nozzle gradually decreases along the water outlet direction.

5. The spiral water-discharge spray gun mechanism according to claim 3, characterized in that: The rotating nozzle has multiple drive blades at one end near the guide vane. The drive blades are evenly arranged circumferentially and extend axially to receive the spiral water flow generated by the guide vane, and convert the impact force of the water flow into torque that drives the rotating nozzle to rotate around its own axis.

6. The spiral water-discharge spray gun mechanism according to claim 5, characterized in that: The rotating shaft is located at the center of the drive blade and is integrally formed with the drive blade. The multiple drive blades are arranged in a cross shape, and a flow channel is formed between adjacent drive blades to allow water to enter the nozzle flow channel.

7. The spiral water-discharge spray gun mechanism according to claim 1, characterized in that: The guide vanes are inclined to convert the straight water flow from the outlet channel into a spiral water flow.

8. The spiral water-discharge spray gun mechanism according to claim 1, characterized in that: The angle α between the central axis of the water outlet section of the rotating nozzle and the axis of the nozzle body is 4° to 10°.

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