Three-dimensional cleaning nozzle capable of realizing sector spraying

Abstract

The utility model provides a three-dimensional cleaning nozzle capable of achieving sector spraying. The three-dimensional cleaning nozzle comprises a middle connecting pipe, an outer sleeve, a spraying structure, a driving structure and a linkage structure. The middle connecting pipe is provided with a pipe cavity with one open end, and a water outlet is formed in the side wall of the middle connecting pipe. The middle connecting pipe is rotationally sleeved with the outer sleeve, and an annular cavity communicated with the water outlet is defined by the outer sleeve and the middle connecting pipe. The side wall of the outer sleeve is provided with an adapter hole with the axis arranged in the radial direction of the outer sleeve. The spraying structure is connected with the outer sleeve and communicates with the adapter hole, and the spraying structure is provided with a rotary spraying part with the rotation axis collinear with the axis of the adapter hole. The driving structure is arranged on the middle connecting pipe, is in power connection with the outer sleeve and can drive the outer sleeve to rotate. And the linkage structure can transmit the rotating power of the outer sleeve to the rotary spraying part, so that the rotary spraying part swings back and forth. The three-dimensional cleaning nozzle capable of achieving sector spraying can effectively avoid invalid cleaning.

Description

Technical Field

[0001] The utility model belongs to the technical field of cleaning nozzles, and in particular relates to a three-dimensional cleaning nozzle capable of realizing fan-shaped spraying. Background Art

[0002] When it comes to cleaning the interior space of a container, you will usually encounter parts inside the container, such as heat exchange coils, stirring blades and other built-in structures, which require a special cleaning nozzle.

[0003] In the prior art, for cleaning the inside of a container, a three-dimensional cleaning nozzle that can achieve fan-shaped spraying is usually used. For example, the patent number is: CN202220718312.6; the patent name is: A three-dimensional rotary injector. In this injector, when the injector body is set vertically, each nozzle thereof can rotate 360° around the vertical axis, and each nozzle can also rotate 360° around the horizontal axis. However, for a stirred reactor with an open top, a shell with open ends and a coil inside, etc., for cleaning such equipment, the water flow sprayed by the nozzle in the injector will cover the open area, resulting in ineffective cleaning, and the water flow ejected at the open area will also cause a waste of water resources and poor adaptability. Utility Model Content

[0004] The embodiment of the utility model provides a three-dimensional cleaning nozzle capable of realizing fan-shaped spraying, aiming to solve the problem of poor adaptability of existing three-dimensional rotary sprayers.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is to provide a three-dimensional cleaning nozzle capable of realizing fan-shaped spraying, comprising:

[0006] An intermediate connecting pipe has a tube cavity with an open end, and a water outlet is provided on a side wall of the intermediate connecting pipe;

[0007] An outer sleeve is rotatably sleeved on the intermediate connecting pipe and encloses an annular cavity connected to the water outlet with the intermediate connecting pipe; a connecting hole is provided on the side wall of the outer sleeve with an axis radially extending along the outer sleeve;

[0008] an injection structure connected to the outer sleeve and in communication with the adapter hole, the injection structure comprising a rotating injection portion whose rotation axis is collinear with the axis of the adapter hole;

[0009] a driving structure, disposed on the intermediate connecting tube and dynamically connected to the outer sleeve, for driving the outer sleeve to rotate;

[0010] The linkage structure is arranged inside the outer sleeve and connected to the rotary jetting part, and is used for transmitting the rotational power of the outer sleeve to the rotary jetting part so as to make the rotary jetting part swing back and forth.

[0011] In a possible implementation, the outer sleeve and the intermediate connecting pipe are rotatably connected via two sealing bearings, and the two sealing bearings are respectively located on both sides of the water outlet.

[0012] In a possible implementation, the injection structure includes:

[0013] A fixed gland is buckled on the adapter hole and detachably connected to the outer sleeve. The fixed gland is provided with an outwardly extending extension sleeve, the extension sleeve is communicated with the adapter hole, and a porous plate is provided in the pipe opening of the extended end of the extension sleeve;

[0014] An end cover is arranged parallel to the porous plate and spaced apart, and the end cover is fixedly connected to the porous plate by bolts;

[0015] A rotating cylinder is sleeved on the end cover and the extension sleeve, and is sealed and rotatably connected to the end cover and the extension sleeve. Two groups of nozzles are provided on the rotating cylinder, and the two groups of nozzles are respectively located on both sides of the axis of the intermediate connecting pipe. Each group of nozzles includes at least two nozzles; the rotating cylinder and the nozzles are combined to form the rotating spraying part.

[0016] In a possible implementation, the linkage structure includes:

[0017] a crown gear coaxially sleeved on the intermediate connecting pipe;

[0018] A power cylinder is disposed in the fixed gland and is rotatably connected to the fixed gland via a sealed bearing; the power cylinder has an insertion end extending into the extension sleeve, and an eccentric column is provided on the insertion end, the eccentric column being parallel to and spaced from the axis of the adapter hole;

[0019] A toggle rod, one end of which is rotatably connected to the porous plate, and the other end of which is rotatably connected to the annular member provided on the rotary drum, wherein the toggle rod is provided with a long sliding opening for inserting the eccentric column and slidably connected to the eccentric column;

[0020] a gear ring fixedly connected to the crown gear and meshing with the crown gear;

[0021] A sealing cylinder is disposed in the adapter hole, and one end of the sealing cylinder passes through the inner hole of the gear ring and is sealed and rotatably connected to the power cylinder;

[0022] Wherein, the transfer hole is a stepped hole.

[0023] In a possible implementation, the driving structure includes:

[0024] a rotating rod, located in the lumen and coaxially arranged with the intermediate connecting tube, one end of the rotating rod passing through one end of the intermediate connecting tube and then extending out;

[0025] an impeller, disposed in the tube cavity and coaxially connected to the rotating rod, for driving the rotating rod to rotate as water flows into the tube cavity;

[0026] A transmission component is provided at the end of the intermediate connecting tube away from the opening and is dynamically connected to the rotating rod. The transmission component is used to transmit the power of the rotating rod to the outer sleeve.

[0027] In a possible implementation, the transmission component includes:

[0028] a first worm gear coaxially connected to one end of the rotating rod;

[0029] a first worm gear rotatably disposed in the support frame and meshing with the first worm;

[0030] a second worm, coaxially connected to the first worm wheel;

[0031] a second worm gear rotatably disposed in the support frame and meshing with the second worm;

[0032] a transmission shaft, rotatably disposed in the support frame, and having one end coaxially connected to the second worm gear;

[0033] a driving gear, coaxially arranged at the other end of the transmission shaft;

[0034] an internal gear coaxially fixed to the outer sleeve, the internal gear having an internal tooth surface meshing with the driving gear;

[0035] Wherein, a supporting structure for rotationally connecting the first worm gear, the second worm gear and the transmission shaft is fixedly provided in the supporting frame.

[0036] In a possible implementation, the outer sleeve extends outward from one end of the open middle connecting tube, and a cover plate is provided at the extended end; the cover plate and the outer sleeve enclose a receiving cavity for accommodating the drive structure.

[0037] In this implementation, the intermediate connecting pipe can ensure the connection and communication with the external pipeline, and the outer sleeve mounted on the intermediate connecting pipe can ensure the rotational connection with the intermediate connecting pipe, thereby ensuring that it can rotate relative to the intermediate connecting pipe under the drive structure, and at the same time drive the injection structure to revolve. The rotating injection part on the injection structure can rotate back and forth in a swinging manner under the drive of the linkage structure, and the injected water flow presents a fan-shaped surface, thereby avoiding injection at the open opening in the axial direction of the intermediate connecting pipe, and at the same time avoiding ineffective cleaning, and has strong adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 A schematic structural diagram of a three-dimensional cleaning nozzle capable of realizing fan-shaped spraying provided by an embodiment of the present utility model;

[0039] Figure 2 A schematic cross-sectional view of a three-dimensional cleaning nozzle capable of achieving fan-shaped spraying provided by an embodiment of the present invention;

[0040] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of a three-dimensional cleaning nozzle capable of fan-shaped spraying provided in an embodiment;

[0041] Figure 4 A schematic diagram of the linkage structure of a three-dimensional cleaning nozzle capable of achieving fan-shaped spraying provided by an embodiment of the present invention (some parts are hidden);

[0042] Figure 5 Schematic diagram of the transmission component structure of the three-dimensional cleaning nozzle that can realize fan-shaped spraying provided by the embodiment of the utility model Figure 1 (Hidden outer sleeve);

[0043] Figure 6 Schematic diagram of the transmission component structure of the three-dimensional cleaning nozzle that can realize fan-shaped spraying provided by the embodiment of the utility model Figure 2 (Hidden outer sleeve);

[0044] Description of reference numerals:

[0045] 10. Middle connecting pipe; 11. Water outlet;

[0046] 20. Outer sleeve; 21. Adapter; 22. Cover plate;

[0047] 30. Injection structure; 31. Fixed gland; 32. Extension sleeve; 33. Perforated plate; 34. End cover; 35. Rotating drum; 36. Nozzle;

[0048] 40. Drive structure; 41. Rotating rod; 42. Impeller; 43. Transmission component; 431. Support frame; 432. First worm; 433. First worm gear; 434. Second worm; 435. Second worm gear; 436. Transmission shaft; 437. Drive gear; 438. Internal gear;

[0049] 50. Linkage structure; 51. Crown gear; 52. Power cylinder; 53. Eccentric column; 54. Toggle rod; 55. Gear ring; 56. Sealing cylinder. DETAILED DESCRIPTION

[0050] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0051] Please also refer to Figure 1 and Figure 2 , the three-dimensional cleaning nozzle capable of realizing fan-shaped spraying provided by the present invention is now described. The three-dimensional cleaning nozzle capable of realizing fan-shaped spraying comprises an intermediate connecting tube 10, an outer sleeve 20, a spray structure 30, a drive structure 40 and a linkage structure 50. The intermediate connecting tube 10 has a tube cavity with an open end, and a water outlet 11 is provided on the side wall of the intermediate connecting tube 10. The outer sleeve 20 is rotatably sleeved on the intermediate connecting tube 10, and is enclosed with the intermediate connecting tube 10 to form an annular cavity connected to the water outlet 11. An adapter hole is provided on the side wall of the outer sleeve 20, and the axis is arranged along the radial direction of the outer sleeve 20. The spray structure 30 is connected to the outer sleeve 20 and is connected to the adapter hole. The spray structure 30 has a rotating spray part whose rotation axis is arranged colinearly with the axis of the adapter hole. The drive structure 40 is arranged on the intermediate connecting tube 10 and is dynamically connected to the outer sleeve 20, and can drive the outer sleeve 20 to rotate. The linkage structure 50 is disposed inside the outer sleeve 20 and is connected to the rotary jetting portion, and can transmit the rotational power of the outer sleeve 20 to the rotary jetting portion, so as to make the rotary jetting portion swing back and forth.

[0052] The three-dimensional cleaning nozzle provided in this embodiment can realize fan-shaped spraying. Compared with the prior art, the intermediate connecting pipe 10 can ensure the connection and communication with the external pipeline, and the outer sleeve 20 mounted on the intermediate connecting pipe 10 can ensure the rotational connection with the intermediate connecting pipe 10, thereby ensuring that it can rotate relative to the intermediate connecting pipe 10 under the drive structure 40, and at the same time drive the spray structure 30 to revolve. The rotating spraying part on the spray structure 30 can rotate in a reciprocating swinging manner under the drive of the linkage structure 50, and the sprayed water flow presents a fan-shaped surface, thereby avoiding injection at the open part in the axial direction of the intermediate connecting pipe 10, and avoiding ineffective cleaning, and has strong adaptability.

[0053] It should be noted that, regarding the reciprocating oscillating rotation, that is, after the rotating spraying portion rotates clockwise by a fixed angle and then rotates counterclockwise by a fixed angle, the water flow sweeping area thereof is fan-shaped. As the outer sleeve 20 rotates, the fan-shaped area is swept around to cover the cleaning space.

[0054] In some embodiments, the outer sleeve 20 and the intermediate connecting pipe 10 can be made of Figure 2 The structure shown. Figure 2 The outer sleeve 20 and the intermediate connecting pipe 10 are rotatably connected through two sealed bearings, and the two sealed bearings are respectively located on both sides of the water outlet 11.

[0055] The two sealed bearings, the outer sleeve 20, and the intermediate connecting pipe 10 enclose an annular cavity that is connected to the water outlet 11. The annular cavity is also connected to the adapter hole. The setting of the sealed bearings can prevent water leakage and also ensure the stable rotation of the outer sleeve 20 relative to the intermediate connecting pipe 10.

[0056] In some embodiments, the injection structure 30 may be configured as follows: Figure 2 and Figure 3 The structure shown. Figure 2 and Figure 3 The spraying structure 30 includes a fixed pressure cap 31, an end cap 34 and a rotating drum 35. The fixed pressure cap 31 is buckled on the adapter hole and is detachably connected to the outer sleeve 20. The fixed pressure cap 31 is provided with an outwardly extending extension sleeve 32, which is connected to the adapter hole, and a porous plate 33 is provided in the pipe mouth of the extended end of the extension sleeve 32. The end cap 34 is arranged parallel to the porous plate 33 and is fixedly connected to the porous plate 33 by bolts. The rotating drum 35 is sleeved on the end cap 34 and the extension sleeve 32 and is sealed and rotatably connected to the end cap 34 and the extension sleeve 32. Two groups of nozzles are provided on the rotating drum 35. The two groups of nozzles are located on both sides of the axis of the intermediate connecting pipe 10, and each group of nozzles includes at least two nozzles 36. The rotating drum 35 and each nozzle 36 are combined to form a rotating spraying part.

[0057] The fixed gland 31 is connected to the outer sleeve 20. The extended sleeve 32 on the fixed gland 31 extends outward and communicates with the adapter hole. The porous plate 33 ensures water flow and facilitates the connection of the linkage structure 50. The end cap 34 and the porous plate 33 are fixedly connected by bolts. Together, they provide a rotational connection for the rotating drum 35, thereby ensuring the stability of the rotating drum 35. Sealed bearings can be provided on both the end cap 34 and the extended sleeve 32 to ensure stable rotation of the rotating drum 35 while preventing water leakage.

[0058] The two groups of nozzles are respectively located on both sides of the axis of the intermediate connecting pipe 10, that is, after each group of nozzles is driven by the linkage structure 50, the corresponding nozzles 36 are reciprocated on one side of the axis of the intermediate connecting pipe 10, thereby preventing the direction of water ejection from being set along the axis direction of the intermediate connecting pipe 10, so as to avoid ineffective cleaning.

[0059] It should be noted that, with regard to the connection between the outer sleeve 20 and the fixed gland 31 , an annular platform is provided at the outer end of the adapter hole, and the two can be detachably connected by bolt connection.

[0060] In some embodiments, the linkage structure 50 may be configured as follows: Figure 3 and Figure 4 The structure shown. Figure 3 and Figure 4 The linkage structure 50 includes a crown gear 51, a power cylinder 52, a toggle lever 54, a gear ring 55, and a sealing sleeve 56. The crown gear 51 is coaxially sleeved on the intermediate connecting tube 10. The power cylinder 52 is disposed in the fixed gland 31 and is rotatably connected to the fixed gland 31 via a sealed bearing. The power cylinder 52 has an insertion end that extends into the extension sleeve 32 and is provided with an eccentric post 53, which is spaced parallel to the axis of the adapter hole. One end of the toggle lever 54 is rotatably connected to the porous plate 33, and the other end is rotatably connected to a ring member provided on the rotating cylinder 35. The toggle lever 54 is provided with an elongated sliding slot for inserting the eccentric post 53 and for slidingly connecting to the eccentric post 53. The gear ring 55 is fixedly connected to the crown gear 51 and meshes with the crown gear 51. The sealing sleeve 56 is disposed in the adapter hole, and one end passes through the inner hole of the gear ring 55 and is sealed and rotatably connected to the power cylinder 52.

[0061] Specifically, the adapter hole is a stepped hole, which can ensure that the bottom end of one end of the sealing cylinder 56 is limited, thereby ensuring the stability of the sealing cylinder 56. Figure 3 .

[0062] First, the assembly of the gland 31 and end cap 34 is fixed to the outer sleeve 20 in a stationary state, that is, fixed to the outer sleeve 20. The crown gear 51 is sleeved and fixed on the intermediate connecting tube 10 and can remain stationary. When the outer sleeve 20 rotates, it simultaneously drives the injection structure 30 to rotate. At this time, the gear ring 55 will rotate on the crown gear 51, thereby driving the power cylinder 52 to rotate. The power cylinder 52 drives the eccentric column 53 to perform circular motion. Preferably, a connecting rod for connecting the eccentric column 53 is provided at the insertion end of the power cylinder 52 that extends into the extension sleeve 32. The connecting rod passes through a circular opening provided in the porous plate 33 and is slidably connected to a toggle rod 54 provided on the porous plate 33. One end of the toggle rod 54 is rotatably connected to the porous plate 33, with the rotation axis parallel to the axis of the adapter hole. The other end is rotatably connected to an annular member provided in the rotating cylinder 35, with the rotation axis parallel to the axis of the adapter hole. The circular motion of the eccentric column 53 and the cooperation with the long sliding mouth drive the eccentric column 53 to swing back and forth, thereby driving the rotary drum 35 and each nozzle 36 to swing back and forth.

[0063] This linkage structure 50 has a simple structure and a strong mechanical linkage. It can ensure that each nozzle 36 rotates while also controlling the rotation angle of each nozzle 36, thereby avoiding ineffective cleaning and having strong practicality.

[0064] It should be noted that the sealing cylinder 56 is located inside the gear ring 55 and has a clearance fit with the gear ring 55. One end of the sealing cylinder 56 abuts the annular surface in the adapter hole, and the other end is rotatably connected to the inner cavity of the power cylinder 52 via a sealing bearing. In addition, the meshing of the gear ring 55 and the crown gear 51 will inevitably affect the sealing effect of the sealing cylinder 56. Therefore, an abutment plate is provided inside the outer sleeve 20 or in the annular cavity. At the same time, an annular plate is provided at one end of the sealing cylinder 56. Its inner annular hole is connected to the adapter hole, and the abutment plate is flush with the annular surface to prevent water from penetrating into the crown gear 51 and ensure the sealing effect.

[0065] The sealed bearings mentioned in the above embodiments can be selected from waterproof bearings and nylon bearings.

[0066] In some embodiments, the driving structure 40 may be configured as follows: Figure 2 and Figure 5 The structure shown. Figure 2 and Figure 5The drive structure 40 includes a rotating rod 41, an impeller 42, and a transmission component 43. The rotating rod 41 is located in the tubular cavity and is coaxially arranged with the intermediate connecting tube 10. One end of the rotating rod 41 passes through one end of the intermediate connecting tube 10 and then extends out. The impeller 42 is arranged in the tubular cavity and is coaxially connected to the rotating rod 41. It can drive the rotating rod 41 to rotate as water flows into the tubular cavity. The transmission component 43 is arranged at the end of the intermediate connecting tube 10 away from the opening and is dynamically connected to the rotating rod 41. The transmission component 43 can transmit the power of the rotating rod 41 to the outer sleeve 20.

[0067] The intermediate connecting pipe 10 is connected to the external pipe. The impeller 42 can be driven to rotate during the passage of water, thereby driving the rotating rod 41 to rotate, and then transmitting power to the transmission component 43, thereby driving the outer sleeve 20 to rotate. It can achieve self-drive through water flow, save energy, and is highly practical.

[0068] In some embodiments, the transmission component 43 may be configured as follows: Figure 5 and Figure 6 The structure shown. Figure 5 and Figure 6 The transmission component 43 includes a support frame 431, a first worm 432, a first worm wheel 433, a second worm 434, a second worm wheel 435, a transmission shaft 436, a drive gear 437, and an internal gear 438. The support frame 431 is connected to the intermediate connecting tube 10. The first worm 432 is coaxially connected to one end of the rotating rod 41. The first worm wheel 433 is rotatably mounted in the support frame 431 and meshes with the first worm 432. The second worm 434 is coaxially connected to the first worm wheel 433. The second worm wheel 435 is rotatably mounted in the support frame 431 and meshes with the second worm 434. The transmission shaft 436 is rotatably mounted in the support frame 431, with one end coaxially connected to the second worm wheel 435. The drive gear 437 is coaxially mounted on the other end of the transmission shaft 436. The internal gear 438 is coaxially fixed to the outer sleeve 20 and has an internal tooth surface that meshes with the drive gear 437.

[0069] The first worm 432, the first worm gear 433, the second worm 434, and the second worm gear 435 ensure power transmission while avoiding interference during the transmission process. The power is then transmitted to the driving gear 437 via the transmission shaft 436, and the driving gear 437 drives the internal gear 438 to rotate, thereby driving the outer sleeve 20.

[0070] In some embodiments, the outer sleeve 20 may be Figure 2 The structure shown. Figure 2The outer sleeve 20 extends outward from the open end of the intermediate connecting pipe 10, and a cover plate 22 is provided at the extended end. The cover plate 22 and the outer sleeve 20 enclose a receiving cavity for the drive structure 40 to be placed. This structure can ensure that the drive structure 40 is protected.

[0071] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A three-dimensional cleaning nozzle capable of fan-shaped spraying, characterized in that: include: An intermediate connecting pipe has a tube cavity with an open end, and a water outlet is provided on a side wall of the intermediate connecting pipe; An outer sleeve is rotatably sleeved on the intermediate connecting pipe and encloses an annular cavity connected to the water outlet with the intermediate connecting pipe; a connecting hole is provided on the side wall of the outer sleeve with an axis radially extending along the outer sleeve; an injection structure connected to the outer sleeve and in communication with the adapter hole, the injection structure comprising a rotating injection portion whose rotation axis is collinear with the axis of the adapter hole; a driving structure, disposed on the intermediate connecting tube and dynamically connected to the outer sleeve, for driving the outer sleeve to rotate; The linkage structure is arranged inside the outer sleeve and connected to the rotary jetting part, and is used for transmitting the rotational power of the outer sleeve to the rotary jetting part so as to make the rotary jetting part swing back and forth.

2. The three-dimensional cleaning nozzle capable of realizing fan-shaped spraying according to claim 1, characterized in that: The outer sleeve and the middle connecting pipe are rotatably connected via two sealing bearings, and the two sealing bearings are respectively located on both sides of the water outlet.

3. The three-dimensional cleaning nozzle capable of realizing fan-shaped spraying according to claim 1, characterized in that: The injection structure includes: A fixed gland is buckled on the adapter hole and detachably connected to the outer sleeve. The fixed gland is provided with an outwardly extending extension sleeve, the extension sleeve is communicated with the adapter hole, and a porous plate is provided in the pipe opening of the extended end of the extension sleeve; An end cover is arranged parallel to the porous plate and spaced apart, and the end cover is fixedly connected to the porous plate by bolts; A rotating cylinder is sleeved on the end cover and the extension sleeve, and is sealed and rotatably connected to the end cover and the extension sleeve. Two groups of nozzles are provided on the rotating cylinder, and the two groups of nozzles are respectively located on both sides of the axis of the intermediate connecting pipe. Each group of nozzles includes at least two nozzles; the rotating cylinder and the nozzles are combined to form the rotating spraying part.

4. The three-dimensional cleaning nozzle capable of realizing fan-shaped spraying according to claim 3, characterized in that: The linkage structure includes: a crown gear coaxially sleeved on the intermediate connecting pipe; A power cylinder is disposed in the fixed gland and is rotatably connected to the fixed gland via a sealed bearing; the power cylinder has an insertion end extending into the extension sleeve, and an eccentric column is provided on the insertion end, the eccentric column being parallel to and spaced from the axis of the adapter hole; A toggle rod, one end of which is rotatably connected to the porous plate, and the other end of which is rotatably connected to the annular member provided on the rotary drum, wherein the toggle rod is provided with a long sliding opening for inserting the eccentric column and slidably connected to the eccentric column; a gear ring fixedly connected to the crown gear and meshing with the crown gear; A sealing cylinder is disposed in the adapter hole, and one end of the sealing cylinder passes through the inner hole of the gear ring and is sealed and rotatably connected to the power cylinder; Wherein, the transfer hole is a stepped hole.

5. The three-dimensional cleaning nozzle capable of realizing fan-shaped spraying according to claim 1, characterized in that: The driving structure includes: a rotating rod, located in the lumen and coaxially arranged with the intermediate connecting tube, one end of the rotating rod passing through one end of the intermediate connecting tube and then extending out; an impeller, disposed in the tube cavity and coaxially connected to the rotating rod, for driving the rotating rod to rotate as water flows into the tube cavity; A transmission component is provided at the end of the intermediate connecting tube away from the opening and is dynamically connected to the rotating rod. The transmission component is used to transmit the power of the rotating rod to the outer sleeve.

6. The three-dimensional cleaning nozzle capable of realizing fan-shaped spraying according to claim 5, characterized in that: The transmission components include: a support frame connected to the middle connecting pipe; a first worm gear coaxially connected to one end of the rotating rod; a first worm gear rotatably disposed in the support frame and meshing with the first worm; a second worm, coaxially connected to the first worm wheel; a second worm gear rotatably disposed in the support frame and meshing with the second worm; a transmission shaft, rotatably disposed in the support frame, and having one end coaxially connected to the second worm gear; a driving gear, coaxially arranged at the other end of the transmission shaft; The internal gear is coaxially fixed on the outer sleeve, and the internal gear has an internal tooth surface meshing with the driving gear.

7. The three-dimensional cleaning nozzle capable of realizing fan-shaped spraying according to claim 1, characterized in that: The outer sleeve extends outward from one end of the open middle connecting pipe, and a cover plate is provided at the extended end; the cover plate and the outer sleeve are combined to form an accommodating cavity for accommodating the driving structure.

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