Self-rotating cleaning nozzle

Abstract

The utility model relates to the field of washing nozzles, in particular to a self-rotating cleaning nozzle which comprises a nozzle body and a spray head, the water outlet end of the nozzle body is rotationally connected with the middle of the spray head, and a plurality of bent grooves with the same radian are formed in the upper surface of the spray head. Water flow flows into the bent grooves in the upper surface of the spray head from the water outlet end of the nozzle body after flowing through the interior of the nozzle body and then is sprayed out along the bent grooves, and self-rotation spraying of the spray head is achieved. Through the surface spraying design of the spray head and the self-rotation design of the nozzle, uniform distribution of water flow on the surface of the spray head can be realized more easily, so that the spraying coverage area is wider, the spraying and cleaning effect on the upper end of the inner wall of the pure water tank is more uniform, and comprehensive pure water tank cleaning is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a field of flushing nozzle, concretely relates to a self-rotating cleaning nozzle. BACKGROUND

[0002] With the improvement of modern people's life quality, various kinds of drinking water equipment enter the family, and people's experience requirement of drinking equipment is increasing. And for drinking water equipment, in the long-term use process, the maintenance of internal water quality and equipment cleaning have been a big challenge, especially for the maintenance of pure water tank in drinking water equipment. Specifically, in actual life, if the water outlet of drinking water equipment flows out hot water, high temperature has usually killed most of the bacteria, thereby ensuring water quality safety, however, the storage water in pure water tank usually uses normal temperature water, therefore, under the condition of long-term static, the inner wall and bottom surface of pure water tank will inevitably have the problem of microorganism breeding and deposition, thereby causing the quality of normal temperature water of outlet water to decrease.

[0003] At present, in order to reduce the inconvenience of manual opening and cleaning and reduce the cost of cleaning device, the prior art will fix and install a flushing nozzle at the water inlet of the pure water tank, and when the water tank needs to be cleaned, the water flows through the flushing nozzle and then sprays the inner wall and bottom surface of the pure water tank, realizing controllable water tank cleaning operation. However, the existing flushing nozzle is usually designed to flow through the nozzle and then spray through the opening of the nozzle head to realize spraying, which not only has small spraying coverage, usually only cleans the bottom end of the inner wall of the pure water tank, has poor cleaning effect on the upper end of the inner wall of the pure water tank, and cannot realize comprehensive pure water tank cleaning, and since the nozzle is fixedly installed on the water inlet of the water tank, the spraying water flow can only clean the area that can be sprayed by the opening fixedly arranged on the nozzle, which inevitably causes some areas corresponding to the two openings to be insufficiently cleaned, making it difficult to realize uniform pure water tank cleaning effect, and the opening of the nozzle is easy to be blocked by the deposition of microorganisms in the water flow, so that the blocked nozzle needs to be cleaned or replaced regularly, increasing the maintenance cost. CONTENT OF THE UTILITY MODEL

[0004] In view of the above technical problems, the utility model provides a self-rotating cleaning nozzle, which aims to realize spraying and cleaning of the upper end of the inner wall of the pure water tank, realize uniform pure water tank cleaning effect, and avoid the blocking problem of the nozzle opening.

[0005] Therefore, the utility model adopts the following technical scheme: a self-rotating cleaning nozzle, comprising a nozzle main body and a nozzle head, the water outlet end of the nozzle main body is rotationally connected with the middle part of the nozzle head, the upper surface of the nozzle head is provided with a plurality of curved grooves with the same curvature, so that the water flow flows through the inside of the nozzle main body, flows into the plurality of curved grooves on the upper surface of the nozzle head from the water outlet end of the nozzle main body, and sprays along the curved grooves, realizing self-rotation spraying of the nozzle head.

[0006] As preferred, the spray head is arranged as a curved surface protruding to the middle part, and the curved grooves are distributed on the upper surface of the spray head along the central axis of the spray head.

[0007] As preferred, the curved grooves are symmetrically distributed on the upper surface of the spray head along the central axis of the spray head, and the depths of the two curved grooves symmetrically distributed along the central axis are different.

[0008] As preferred, the curved grooves are equidistantly spaced on the upper surface of the spray head, and the depths of the two adjacent curved grooves are different.

[0009] As preferred, the self-rotating cleaning nozzle comprises an outer sleeve fixedly connected with the outer surface of the nozzle body, the water outlet end of the outer sleeve is provided with a water collecting opening protruding inward, the middle part of the upper surface of the spray head is provided with a groove matched with the water collecting opening, and the curved grooves are distributed on the upper surface of the spray head along the circumferential line of the groove.

[0010] As preferred, the inner surface of the water collecting opening is in a slope shape, and the diameter of the water collecting opening gradually decreases from top to bottom.

[0011] As preferred, the outer surface of the nozzle body is provided with an outward protruding abutting ring, and the abutting ring abuts against the water inlet end of the outer sleeve.

[0012] As preferred, the water outlet end of the nozzle body is provided with a rotating connecting piece, the rotating connecting piece is in a wheel shape, and the middle part of the rotating connecting piece is rotationally connected with the middle part of the spray head.

[0013] As preferred, the water inlet end of the nozzle body is provided with a pipe quick plug.

[0014] As preferred, the outer surface of the nozzle body is provided with a screw thread.

[0015] The beneficial technical effects of the utility model at least include:

[0016] 1. A self-rotating cleaning nozzle is adopted. Compared with the existing nozzle design in which water flows through the opening inside the nozzle before spraying, this embodiment can more easily achieve uniform distribution of water flow on the nozzle surface through the surface spraying design and the self-rotating design of the nozzle. This results in a wider spray coverage area and a more uniform spray cleaning effect on the upper part of the inner wall of the pure water tank, achieving comprehensive cleaning of the pure water tank. Specifically, because the nozzle is designed as a curved surface bulging towards the center, and has several curved grooves with the same curvature on the upper surface, the water flow can directly impact the bulging curved surface of the nozzle after flowing out from the outlet end of the nozzle body. Then, through the curved grooves, it achieves self-rotating spraying, thereby covering all corners of the inner wall of the pure water tank, especially the upper area of ​​the inner wall. It also avoids cleaning blind spots caused by fixed openings, achieving a comprehensive and uniform cleaning effect. Moreover, since the nozzle does not have small openings inside, the water flow is sprayed directly from the surface of the nozzle, reducing the friction loss of the fluid inside the nozzle, improving the efficiency of water spraying, and avoiding clogging problems caused by the deposition of microbial impurities that may exist in the water flow. In addition, the nozzle design with internal openings in the prior art may produce water hammer phenomenon due to the sudden stop of water flow, while the surface spraying nozzle provided in this embodiment can greatly reduce this phenomenon, reduce the maintenance cost of the nozzle, and extend the service life of the nozzle.

[0017] 2. By combining the different depths of the curved grooves with the self-rotation of the nozzle, the angle and range of the water spray can be controlled. Specifically, the different depths of the curved grooves cause the water to spray at different angles and intensities, thus creating a stronger water flow in the vertical direction. This increases the vertical coverage of the water flow on the inner wall of the pure water tank, thereby expanding the overall spray coverage area of ​​the inner wall of the pure water tank and achieving comprehensive coverage of different areas of the inner wall of the water tank. Furthermore, the different depths of the two symmetrically distributed curved grooves cause the water flow to generate different speeds and directions when passing through different curved grooves, thus creating an uneven force distribution on the nozzle surface. This uneven force distribution enhances the rotational power of the nozzle, making it easier for the nozzle to self-rotate under the action of water pressure.

[0018] 3. The wheel-shaped design of the rotating connector enables the rotating connection between the nozzle body and the nozzle head while maintaining the smooth flow of water, optimizing the water flow path, and reducing the energy loss of water flow on the rotating connector, thereby maintaining a high water flow pressure for the self-rotation of the nozzle head.

[0019] Other features and advantages of this utility model will be disclosed in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings:

[0021] Figure 1 It is the overall structure schematic view of the self-rotating cleaning nozzle of the embodiment of the utility model.

[0022] Figure 2 It is the structure schematic view of the spray head of the embodiment of the utility model.

[0023] Figure 3 It is the top view explosion drawing of the self-rotating cleaning nozzle of the embodiment of the utility model.

[0024] Figure 4 It is the bottom view explosion drawing of the self-rotating cleaning nozzle of the embodiment of the utility model. DETAILED DESCRIPTION

[0025] The technical scheme of the embodiment of the utility model is explained and described below in combination with the drawings of the embodiment of the utility model, but the following embodiment is only the preferred embodiment of the utility model, and not all.Based on the embodiment in the embodiment, other embodiments obtained by the person skilled in the art without making creative labor all belong to the protection scope of the utility model.

[0026] In the following description, the appearance of such terms as "in", "out", "up", "down", "left", "right" and the like indicating the orientation or positional relationship is only for the convenience of describing the embodiment and simplifying the description, and is not indicative or suggestive of the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as a limitation on the utility model.

[0027] Please refer to the drawings of the utility model Figure 1 , Figure 1 The overall structure schematic view of the self-rotating cleaning nozzle is shown.

[0028] As Figure 1 shown, the self-rotating cleaning nozzle can at least include a nozzle body 1 and a spray head 2, the water outlet end of the nozzle body 1 is rotationally connected with the middle part of the spray head 2, the upper surface of the spray head 2 is provided with a plurality of curved grooves 21 of the same direction radian, so that the water flow flows through the inside of the nozzle body 1 and then flows into the plurality of curved grooves 21 on the upper surface of the spray head 2 from the water outlet end of the nozzle body 1 and is sprayed along the curved grooves 21, realizing the self-rotation spraying of the spray head 2.

[0029] Further, in the embodiment, the outer surface of the nozzle body 1 is provided with a thread. The threaded connection design with the water inlet of the pure water tank makes the installation and disassembly of the nozzle body 1 more convenient, and only needs to rotate the thread to complete the connection or separation of the nozzle and the water inlet of the pure water tank.

[0030] It can be understood that when the water flow flows into the nozzle body 1, it will flow out from the water outlet end of the nozzle body 1 to the upper surface of the nozzle head 2, and then flow to the curved grooves 21 on the upper surface of the nozzle head 2. Since the several curved grooves 21 arranged on the upper surface of the nozzle head 2 have the same direction of curvature, the water flow will have different flow rates on different sides of the surface of the nozzle head 2. According to Bernoulli's principle, the pressure on the side with a faster flow rate will decrease, and the pressure on the side with a slower flow rate will be relatively higher. This pressure difference causes the nozzle head 2 to be subjected to a transverse force, i.e. a Magnus force. Due to the action of the Magnus force and the design of the rotating connection between the water outlet end of the nozzle body 1 and the middle part of the nozzle head 2, the nozzle head 2 will be subjected to a torque that makes it rotate around its own axis. This torque causes the nozzle head 2 to self-rotate (in this embodiment, the nozzle head 2 rotates in the opposite direction of the curvature of the curved grooves 21) under the pressure of the water flow. With the self-rotation of the nozzle head 2, the water flow can be quickly and uniformly sprayed on the inner wall of the pure water tank, thereby achieving the purpose of fully spraying and cleaning the pure water tank.

[0031] Compared with the existing technology in which the water flow flows through the opening in the nozzle head to achieve spraying, the embodiment can more easily achieve uniform distribution of the water flow on the surface of the nozzle head 2 through the surface spraying design of the nozzle head 2 and the self-rotation design of the nozzle, thereby making the spraying coverage area wider and making the spraying and cleaning effect on the upper end of the inner wall of the pure water tank more uniform, achieving comprehensive cleaning of the pure water tank. Specifically, since the nozzle head 2 is designed as a curved surface protruding towards the middle and has several curved grooves 21 with the same direction of curvature arranged on the upper surface, the water flow can directly impact the protruding curved surface of the nozzle head 2 after flowing out from the water outlet end of the nozzle body 1, and then self-rotate and spray through the curved grooves 21, thereby covering all corners of the inner wall of the pure water tank, especially the upper end region of the inner wall. At the same time, it also avoids the cleaning blind area caused by fixed openings, achieving a comprehensive and uniform cleaning effect. Moreover, since the nozzle head 2 does not have small openings inside, the water flow directly sprays out from the surface of the nozzle head 2, reducing the friction loss of the fluid inside the nozzle head 2, improving the efficiency of water flow spraying, and avoiding the problem of blockage caused by the deposition of microorganisms and impurities that may exist in the water flow. Furthermore, the surface spraying design of the nozzle head 2 provided in the embodiment can greatly reduce the water hammer phenomenon that may occur due to the sudden stop of the water flow in the existing technology, thereby reducing the maintenance cost of the nozzle and prolonging the service life of the nozzle.

[0032] Further, in the embodiment, the nozzle head 2 is designed as a curved surface protruding towards the middle, and the several curved grooves 21 are distributed along the central axis of the nozzle head 2 on the upper surface of the nozzle head 2.

[0033] In the embodiment, the nozzle 2 is designed as a curved surface with a certain thickness and protruding to the middle part to reduce the self-weight of the nozzle 2 and improve the self-rotation speed of the nozzle 2. Further, the curved surface of the nozzle 2 can also be designed as a circular curved surface to balance the stability of the nozzle 2 when rotating relative to the nozzle body 1, which is not limited in the embodiment.

[0034] It can be understood that the curved grooves 21 distributed along the central axis of the nozzle 2 help to achieve uniform water flow distribution on the surface of the nozzle 2 when the nozzle 2 self-rotates under the water flow pressure, and better adapt to different flow conditions, because each curved groove 21 can evenly share the water flow, and the spraying effect will not change significantly due to the change of flow, thereby ensuring that the water flow produces continuous and uniform spraying effect on the surface of the nozzle 2, making the spraying coverage more uniform, and also helping the nozzle 2 to keep balance when self-rotating, reducing vibration, thereby improving the stability of the nozzle 2 and reducing the deviation of the nozzle 2 in the spraying process, ensuring that the water flow is sprayed according to the guide direction of the curved groove 21.

[0035] Further, please refer to the accompanying drawings Figure 2 In the embodiment, the plurality of curved grooves 21 are symmetrically distributed along the central axis of the nozzle 2 on the upper surface of the nozzle 2, and the depths of the two curved grooves 21 symmetrically distributed along the axis are different.

[0036] It can be understood that the curved grooves 21 are symmetrically distributed along the central axis of the nozzle 2 on the upper surface of the nozzle 2, and the depth of the curved groove 21 can be understood as the degree of downward concave of the curved groove 21, that is, the depth of the side wall of the curved groove 21. Through the design of different depths of the curved grooves 21 combined with the self-rotation of the nozzle 2, the angle and range of water flow spraying can be controlled. Specifically, different depths of the curved grooves 21 will result in different spraying angles and forces of the water flow when sprayed, thereby forming stronger water flow movement in the vertical direction, increasing the vertical up-and-down space coverage of the water flow to the inner wall of the pure water tank, thereby expanding the overall spraying coverage area of the water flow to the inner wall of the pure water tank, and achieving comprehensive coverage of different areas of the inner wall of the water tank.

[0037] In the embodiment, the different depths of the two curved grooves 21 symmetrically distributed along the axis result in different speeds and directions of the water flow when passing through different curved grooves 21, thereby forming uneven force distribution on the surface of the nozzle 2. This uneven force distribution can enhance the rotation power of the nozzle 2, so that the nozzle 2 is more easily self-rotated under the action of water flow pressure.

[0038] In an embodiment of the present specification, the plurality of curved grooves 21 are equally spaced and distributed on the upper surface of the nozzle 2, and the depths of the two adjacent curved grooves 21 are different.

[0039] Through the different depth design of the two adjacent curved grooves 21 and the self-rotation of the spray head 2 under the water flow pressure, a dynamic changing spraying effect can be generated, that is, the water flow changes direction and intensity during the spraying process, so that the dirt and bacteria on the inner wall can be removed more effectively, and the cleaning effect is improved.

[0040] In an embodiment of the present specification, please refer to the attached Figure 3 and the attached Figure 4 , the self-rotating cleaning nozzle comprises an outer sleeve 3 fixedly connected with the outer surface of the nozzle body 1, the water outlet end of the outer sleeve 3 is provided with a water collecting port 31 protruding inward, the upper surface of the spray head 2 is provided with a groove 22 matched with the water collecting port 31, and a plurality of curved grooves 21 are distributed along the circumferential line of the groove 22 on the upper surface of the spray head 2.

[0041] It can be understood that the design of the water collecting port 31 at the water outlet end of the outer sleeve 3 in combination with the connection between the water outlet end of the nozzle body 1 and the middle part of the spray head 2 helps to concentrate the water flow to the center of the spray head 2, and the matching design of the water collecting port 31 and the groove 22 of the spray head 2 can reduce the scattering of the water flow, ensuring that the water flow flows into the groove 22 from the water collecting port 31 and then flows into the curved groove 21 in a concentrated manner, so that the water flow is better guided and concentrated before being sprayed, thereby enhancing the spraying intensity, while reducing the area directly impacted by the water flow on the spray head 2, reducing wear and tear, and increasing the durability of the spray head 2.

[0042] Further, in the present embodiment, please refer to the attached Figure 4 , the inner surface of the water collecting port 31 is ramped, and the diameter of the water collecting port 31 gradually decreases from top to bottom.

[0043] Through the design of the ramped inner surface of the water collecting port 31, the water flow can be better guided to the center of the spray head 2, ensuring that the water flow flows into the groove 22 from the water collecting port 31 in a higher speed and more concentrated manner, which helps to improve the spraying efficiency and spraying intensity.

[0044] Further, in the present embodiment, the outer surface of the nozzle body 1 is provided with an outwardly protruding abutting ring 11, and the abutting ring 11 abuts with the water inlet end of the outer sleeve 3.

[0045] It can be understood that the lower end of the abutting ring 11 abuts with the water inlet end of the outer sleeve 3, and the upper end of the abutting ring 11 can abut with the water outlet of the pure water tank.

[0046] Through the design of the abutting ring 11, the stability of the connection between the nozzle body 1 and the outer sleeve 3 and the pure water tank can be improved, and the loosening caused by vibration or water flow impact can be reduced.

[0047] In an embodiment of the present specification, please refer to the attached Figure 4The water outlet end of the nozzle body 1 is provided with a rotating connecting piece 12, which is in the shape of a wheel. The middle part of the rotating connecting piece 12 is rotatably connected with the middle part of the spray head 2.

[0048] For example, the middle part of the rotating connecting piece 12 is rotatably connected with the middle part of the spray head 2 in the following way: the middle part of the spray head 2 is provided with a hole and a rotating shaft. One end of the rotating shaft is fixedly connected with the middle part of the spray head 2 through the hole, and the other end is rotatably connected with the middle part of the rotating connecting piece 12 (similar to the hub part of a wheel).

[0049] Through the wheel-shaped design of the rotating connecting piece 12, one end of the rotating shaft is fixedly connected with the middle part of the spray head 2, and the other end is rotatably connected with the middle part of the rotating connecting piece 12. In this way, the rotating connection with the spray head 2 is achieved, and at the same time, the water flow channel is kept unblocked, the water flow path is optimized, and the energy loss of the water flow on the rotating connecting piece 12 is reduced, thereby maintaining a relatively high water flow pressure for the self-rotation of the spray head 2.

[0050] In one embodiment of the present specification, the water inlet end of the nozzle body 1 is provided with a pipe quick connector 13.

[0051] It can be understood that the pipe quick connector 13 in the present embodiment can quickly and simply connect and disconnect the nozzle body 1 and the water inlet pipeline of the pure water tank. Optionally, the pipe quick connector 13 can adopt the following structure designs, and the most suitable design can be selected according to the actual application requirements, which is not limited in the present embodiment:

[0052] 1. Threaded quick connector: This kind of quick connector usually includes a threaded pipe joint, and the connection between the nozzle body 1 and the water inlet pipeline of the pure water tank is established by rotating and locking. When in use, the pipe joint of the quick connector is rotated until a "click" sound is heard, indicating that the connection is firm.

[0053] 2. Clamp type quick connector: This kind of quick connector usually includes a central pipe and a plurality of clamps arranged on one end of the central pipe. The connection between the nozzle body 1 and the water inlet pipeline of the pure water tank is established by the extrusion of the clamps. When in use, the water inlet pipeline of the pure water tank is inserted into the central pipe, and then the clamps are rotated until the water inlet pipeline of the pure water tank is clamped tightly with the clamps to ensure a firm connection. The clamp type pipe quick connector 13 is shown in FIG. 2. Figure 3

[0054] 3. O-ring type quick connector: This kind of quick connector usually includes a central pipe and an O-ring arranged on one end of the central pipe. The connection between the nozzle body 1 and the water inlet pipeline of the pure water tank is established by the sealing of the O-ring. When in use, the water inlet pipeline of the pure water tank is inserted into the central pipe, and then the central pipe is rotated until the O-ring is compressed to ensure a firm connection.

[0055] ​The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and those skilled in the art should understand that the present application includes but is not limited to the contents described in the drawings and the above specific implementation. Any modification not deviating from the function and structural principle of the present application will be included in the scope of the claims.

Claims

1. A self-rotating cleaning nozzle characterized by, The self-rotating cleaning nozzle comprises a nozzle body (1) and a nozzle head (2), the water outlet end of the nozzle body (1) is rotationally connected with the middle part of the nozzle head (2), and the upper surface of the nozzle head (2) is provided with a plurality of curved grooves (21) with the same curvature, so that the water flow flows through the inside of the nozzle body (1), then flows into the plurality of curved grooves (21) on the upper surface of the nozzle head (2) from the water outlet end of the nozzle body (1), and is sprayed along the curved grooves (21), thereby realizing the self-rotation spraying of the nozzle head (2).

2. The self-rotating cleaning nozzle according to claim 1, wherein the nozzle head (2) is provided as a curved surface protruding towards the middle part, and the plurality of curved grooves (21) are distributed on the upper surface of the nozzle head (2) along the central axis of the nozzle head (2).

3. The self-rotating cleaning nozzle according to claim 2, wherein the plurality of curved grooves (21) are symmetrically distributed on the upper surface of the nozzle head (2) along the central axis of the nozzle head (2), and the depths of the two curved grooves (21) symmetrically distributed on the axis are different.

4. The self-rotating cleaning nozzle according to claim 2, wherein the plurality of curved grooves (21) are equidistantly spaced on the upper surface of the nozzle head (2), and the depths of the two adjacent curved grooves (21) are different.

5. The self-rotating cleaning nozzle according to claim 1, wherein the self-rotating cleaning nozzle comprises an outer sleeve (3) fixedly connected with the outer surface of the nozzle body (1), the water outlet end of the outer sleeve (3) is provided with a water collecting opening (31) protruding inward, the middle part of the upper surface of the nozzle head (2) is provided with a groove matched with the water collecting opening (31), and the plurality of curved grooves (21) are distributed on the upper surface of the nozzle head (2) along the circumferential line of the groove.

6. The self-rotating cleaning nozzle according to claim 5, wherein the inner surface of the water collecting opening (31) is in a slope shape, and the diameter of the water collecting opening (31) gradually decreases from top to bottom.

7. The self-rotating cleaning nozzle according to claim 5, wherein the outer surface of the nozzle body (1) is provided with an abutting ring (11) protruding outward, and the abutting ring (11) abuts with the water inlet end of the outer sleeve (3).

8. The self-rotating cleaning nozzle according to claim 1, wherein the water outlet end of the nozzle body (1) is provided with a rotating connecting piece (12), the rotating connecting piece (12) is in a wheel shape, and the middle part of the rotating connecting piece (12) is rotationally connected with the middle part of the nozzle head (2).

9. The self-rotating cleaning nozzle according to claim 1, wherein the water inlet end of the nozzle body (1) is provided with a pipe quick connector (13).

10. The self-rotating cleaning nozzle according to claim 1, wherein the outer surface of the nozzle body (1) is provided with a thread. ​ ​ ​ ​ ​ ​ ​ ​ ​

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