CN219785193U - Self-rotating cleaning spray head - Google Patents

Abstract

The utility model relates to a spin-type cleaning nozzle, which includes a casing and a water inlet mechanism. The top of the casing is provided with a water inlet, and the side of the casing is provided with a water outlet. The water outlet is provided with multiple water outlets. Distributed around the shell, and the axis of the water outlet is tilted relative to the axis of the shell. The water inlet mechanism is set at the water inlet of the shell, and the shell can rotate relative to the water inlet mechanism. When the cleaning nozzle is in working condition, The liquid enters the housing through the water inlet mechanism and is sprayed out from multiple water outlets, driving the housing to rotate. The utility model rotatably connects the casing and the water inlet mechanism, and by opening an inclined water outlet on the casing, when the liquid is sprayed out from the water outlet at high speed, a reaction force is generated to drive the casing to rotate, thereby realizing the working process of the cleaning nozzle. The self-rotation and self-sealing in the machine improve the cleaning effect, and the sealing performance is good, which can effectively prevent water leakage. The structure is simple, the assembly is convenient, the production cost is reduced, the self-adaptive ability is strong, and the practicability is good.

Description

A kind of spin cleaning nozzle

Technical field

The utility model belongs to the technical field of cleaning equipment, and specifically relates to a spin-type cleaning nozzle.

Background technique

In industries such as pharmaceutical production and food processing, automatic cleaning equipment systems are required to clean production equipment. The cleaning nozzle is a key component in the automatic cleaning system. The cleaning fluid sprayed by the cleaning nozzle can clean the production device. Therefore, the design quality of the cleaning nozzle determines the quality of cleaning and the amount of cleaning fluid. There are many types of common cleaning nozzles, mainly including fixed nozzles, rotating nozzles, etc. Fixed nozzles can spray cleaning fluid in one or more directions, but there is a problem that some areas cannot be cleaned, and the cleaning dead zone is large. The cleaning effect is poor; the rotary nozzle means that the nozzle can automatically rotate around its axis when spraying cleaning fluid. The spray cleaning area is wide, but its structure is complex, the manufacturing process is cumbersome, the cost is high, and the existing rotary nozzle has a poor cleaning effect. The sealing performance of the nozzle is usually poor, water leakage is prone to occur during the rotating spray process, and the adaptive ability is weak.

Contents of the invention

The purpose of this utility model is to provide a spin-type cleaning nozzle with simple structure and good sealing effect.

In order to achieve the above purpose, the technical solution adopted by this utility model is:

A spin-type cleaning nozzle includes a casing. The top of the casing is provided with a water inlet. The side of the casing is provided with a water outlet. The plurality of water outlets are provided with a plurality of them. The water outlets are distributed around the housing, and the axis of the water outlet is inclined relative to the axis of the housing;

The cleaning nozzle also includes a water inlet mechanism. The water inlet mechanism is arranged at the water inlet of the housing, and the housing can rotate relative to the water inlet mechanism. When the cleaning When the nozzle is in working condition, liquid enters the housing through the water inlet mechanism and is sprayed out from the plurality of water outlets, driving the housing to rotate.

Preferably, the plurality of water outlets are distributed in an annular shape with the axis of the housing as the center, and are distributed in multiple turns along the axis of the housing.

Preferably, the housing includes a top cover, a cylinder and a bottom cover, the top cover is connected to the top of the cylinder, the bottom cover is connected to the bottom of the cylinder, and the The top cover, cylinder body and the side of the bottom cover all have the water outlet.

Further preferably, the top cover, cylinder and bottom cover are welded into one body, which facilitates processing and has low manufacturing cost.

Further preferably, the angle between the axis of the water outlet located on the barrel and the projection of the axis on the horizontal section of the barrel is 15 to 45°, and the water outlet located on the barrel The intersection between the projection of the axis on the horizontal section of the cylinder and the projection of the center of the water outlet on the cylinder on the horizontal section and the line connecting the center of the cylinder on the horizontal section The angle is 45 to 75°; the inclination direction of the water outlet on the bottom cover is consistent with the inclination direction of the water outlet on the barrel; the inclination direction of the water outlet on the top cover is consistent with the inclination direction of the water outlet on the top cover. The inclined direction of the water outlet located on the barrel is mirror symmetrical to the horizontal section of the barrel.

Preferably, the water inlet mechanism includes a water inlet pipe, one end of the water inlet pipe is located outside the housing, and the other end of the water inlet pipe passes through the water inlet and extends into the housing. Inside the body, the other end of the water inlet pipe has a boss, and the boss is rotatably connected to the inner wall of the housing.

Further preferably, the upper surface of the boss is provided with a first annular groove, and the inner wall of the housing is provided with a second annular groove. The first annular groove and the second annular groove are The cross-sections are arc-shaped, and their positions correspond to each other. A first rolling element is arranged between the first annular groove and the second annular groove.

More preferably, the first rolling element is spherical; there are multiple first rolling elements, and the plurality of first rolling elements are distributed in the first annular groove and the second annular groove. between the grooves and with a rolling fit between the two.

Further preferably, one end of the water inlet pipe has an external thread for connecting the water pipe, and grooves are respectively provided on opposite sides of the outer circumferential surface of one end of the water inlet pipe, and the grooves are located at the ends of the external threads. below. When a wrench is used to install or remove the cleaning nozzle, the grooves on both sides form a clamping area for the wrench, allowing the cleaning nozzle to be quickly installed and removed.

Further preferably, a sealing assembly is detachably provided on the water inlet pipe located outside the housing, and the sealing assembly is rotatably connected to the outer wall of the housing.

More preferably, the sealing assembly includes a sealing ring, the sealing ring is sleeved on the water inlet pipe, the lower surface of the sealing ring is provided with a third annular groove, and the housing A fourth annular groove is provided on the outer wall of A second rolling element is disposed between the fourth annular grooves.

Still further preferably, the second rolling element is spherical; there are multiple second rolling elements, and the plurality of second rolling elements are distributed in the third annular groove, the fourth annular groove, and the third annular groove. between the grooves and with a rolling fit between the two.

Still further preferably, the other end of the water inlet pipe has an external thread, the sealing ring has an internal thread, and the sealing ring and the water inlet pipe are connected through a threaded fit.

Still further preferably, the sealing assembly further includes a positioning nut, the positioning nut is threadedly connected to the external thread at the other end of the water inlet pipe, and the positioning nut is pressed against the seal. ring. The positioning nut is used to adjust the gap between the sealing ring and the housing, which can not only ensure the smooth rotation of the housing, but also prevent water leakage caused by excessive clearance.

Still further preferably, the sealing assembly further includes a fastening nut, the fastening nut is threadedly connected to the external thread at the other end of the water inlet pipe, and the fastening nut is pressed against the external thread at the other end of the water inlet pipe. on the positioning nut described above. The fastening nut and the positioning nut form a double nut structure, which can avoid the displacement of the positioning nut.

Preferably, the sealing ring is made of tetrafluoroethylene, which has good wear resistance and a small sliding friction coefficient.

Still further preferably, the lower surface of the sealing ring has a sealing surface, the sealing surface is provided with a protruding sealing portion, the water inlet of the housing has a mating surface, and the sealing portion resists Press against the mating surface.

Still further preferably, the sealing part is annular, and the cross-section of the sealing part is trapezoidal.

Preferably, a through hole is provided at the bottom of the housing, and a sealing plug is detachably provided at the through hole.

Further preferably, the through hole has an internal thread, the top of the sealing plug has an external thread, and the through hole and the sealing plug are connected through a threaded fit.

Further preferably, the diameter of the through hole is larger than the diameter of the boss to facilitate installation of the water inlet mechanism.

Due to the application of the above technical solutions, the present utility model has the following advantages compared with the existing technology:

The utility model rotatably connects the casing and the water inlet mechanism, and by opening an inclined water outlet on the casing, when the liquid is sprayed out from the water outlet at high speed, a reaction force is generated to drive the casing to rotate, thereby realizing the working process of the cleaning nozzle. The self-rotation and self-sealing in the machine improve the cleaning effect, and the sealing performance is good, which can effectively prevent water leakage. The structure is simple, the assembly is convenient, the production cost is reduced, the self-adaptive ability is strong, and the practicability is good.

Description of the drawings

Figure 1 is a three-dimensional schematic diagram of the cleaning nozzle of this embodiment;

Figure 2 is a schematic front view of the cleaning nozzle of this embodiment;

Figure 3 is a schematic side view of the cleaning nozzle of this embodiment;

Figure 4 is a schematic cross-sectional view along line A-A in Figure 3;

Figure 5 is a partial enlarged schematic diagram of position B in Figure 4;

Figure 6 is a partial enlarged schematic diagram of position C in Figure 4;

Figure 7 is a schematic cross-sectional view along D-D in Figure 4;

Figure 8 is a partial enlarged schematic diagram of position E in Figure 7 .

In the above attached picture:

1. Shell; 101. Water inlet; 102. Water outlet; 103. Second annular groove; 104. Fourth annular groove; 105. Fitting surface; 11. Top cover; 12. Cylinder; 13. Bottom cover ; 130. Through hole; 14. Sealing plug; 2. Water inlet mechanism; 21. Water inlet pipe; 211. External thread; 212. Groove; 22. Boss; 220. First annular groove; 23. Sealing component; 231. Sealing ring; 2311. Third annular groove; 2312. Sealing surface; 2313. Sealing part; 232. Positioning nut; 233. Fastening nut; 24. First rolling element; 25. Second rolling element.

Detailed ways

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. They are not intended to indicate or imply that the device or element referred to must have a specific orientation or a specific orientation. The orientation structure and operation of the invention cannot be construed as limitations of the present invention. Furthermore, the terms “first”, “second” and “third” are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

A spin-type cleaning nozzle, as shown in Figures 1 to 3, includes a housing 1 and a water inlet mechanism 2. The top of the housing 1 is provided with a water inlet 101, and the side of the housing 1 is provided with a water outlet 102. The water inlet mechanism 2 is arranged at the water inlet 101 of the housing 1, that is, one end of the water inlet mechanism 2 extends into the water inlet 101 of the housing 1, and the water inlet mechanism 2 and the housing 1 can rotate relative to each other.

The following is a detailed introduction to each component and its connection relationship:

As shown in Figures 1 to 3, the housing 1 includes a top cover 11, a cylinder 12 and a bottom cover 13. The cylinder 12 is cylindrical, and the top cover 11 is connected to the top of the cylinder 12. The top cover 11 is truncated. , the bottom cover 13 is connected to the bottom of the cylinder 12, the bottom cover 13 is in the shape of an inverted truncated cone, the top cover 11, the cylinder 12 and the bottom cover 13 are interconnected and coaxially arranged; the top cover 11, the cylinder 12 and the bottom cover 13 can be connected into one body by welding process, which is easy to process and has low production cost.

As shown in FIG. 4 , the water inlet 101 is opened at the center of the top of the housing 1 , that is, the water inlet 101 is opened at the center of the top cover 11 . A plurality of water outlets 102 are provided. The plurality of water outlets 102 are evenly distributed in an annular shape on the side wall of the housing 1 with the axis of the housing 1 as the center, and are evenly distributed in multiple circles along the axis of the housing 1. The water outlets The axis of 102 is inclined relative to the axis of the housing 1 . Specifically: as shown in Figure 4, the sides of the top cover 11, the cylinder 12 and the bottom cover 13 all have multiple water outlets 102; as shown in Figures 4, 6 to 8, the water outlets located on the cylinder 12 The water outlet 102 extends downward obliquely, and the angle between the axis of the water outlet 102 located on the cylinder 12 and the projection of the axis on the horizontal section of the cylinder 12 is α, and the value of α ranges from 15 to 45°. The projection of the axis of the water outlet 102 on the barrel 12 on the horizontal section of the barrel 12 is the same as the projection of the center of the water outlet 102 on the barrel 12 on the horizontal section and the center of the barrel 12 on the horizontal section. The angle between the connecting lines is θ, and the value of θ ranges from 45 to 75°. That is to say, the inclination angle of the water outlet 102 located on the cylinder 12 relative to the horizontal plane in the up and down direction is α, and is located on the cylinder 12 The deflection angle of the water outlet 102 in the radial direction of the cylinder 12 is θ; the inclination direction of the water outlet 102 located on the bottom cover 13 is consistent with the inclination direction of the water outlet 02 located on the cylinder 12; the inclination direction of the water outlet 102 located on the top cover The inclination direction of the water outlet 102 on the top cover 11 and the inclination direction of the water outlet 102 on the cylinder 12 are mirror symmetrical to the horizontal section of the cylinder 12, that is, the water outlet 102 on the top cover 11 and the cylinder 12 are mirror images relative to the horizontal plane. symmetry. The cleaning liquid sprayed from the water outlet 102 located on the cylinder 12 has a component velocity tangential to the surface of the cylinder 12, which can produce a tangential reaction force on the cylinder 12, prompting the housing 1 to rotate; located on the top cover 11 The water outlet 102 extending upward and obliquely can increase the spray area of the cleaning liquid and improve the cleaning effect; the water outlet 102 located on the bottom cover 13 and extending obliquely downward can appropriately offset the pair of water outlets 102 located on the top cover 11 The downward reaction force generated by the housing 1 ensures smoother rotation.

As shown in Figure 4, a through hole 130 is opened at the bottom of the housing 1, and a sealing plug 14 is detachably provided in the through hole 130. Specifically, the through hole 130 is opened at the center of the bottom of the bottom cover 13, and the through hole 130 The diameter of the through hole 130 is larger than the diameter of the water inlet mechanism 2, which is convenient for installing the water inlet mechanism 2; the through hole 130 has an internal thread, that is, the through hole 130 is a threaded hole, and the top of the sealing plug 14 has an external thread. are connected through threaded fits. Of course, only one connection method is given here, but it is not limited to this embodiment.

As shown in Figure 4, the water inlet mechanism 2 includes a water inlet pipe 21, a boss 22 and a sealing assembly 23. The water inlet pipe 21 extends from the water inlet 101 of the housing 1 to its interior. The boss 22 is located inside the housing 1. The sealing component 23 is disposed on the water inlet pipe 21 located outside the housing 1, and the boss 22 and the sealing component 23 are rotatably connected to the housing 1 respectively. in particular:

As shown in Figure 4, the water inlet pipe 21 extends in the vertical direction, with both ends of the water inlet pipe 21 passing through it. One end of the water inlet pipe 21 is located outside the housing 1, and the other end of the water inlet pipe 21 passes through the water inlet 101 and extends into the housing. Inside the body 1, that is, the water inlet pipe 21 is coaxially arranged with the housing 1. The cleaning liquid can flow into the interior from one end of the water inlet pipe 21 and into the interior of the housing 1 from the other end of the water inlet pipe 21; one end of the water inlet pipe 21 has an outer Thread 211, through which the water inlet pipe 21 can be connected to water inlet equipment such as water pipes; grooves 212 are respectively provided on opposite sides of the outer circumferential surface of one end of the water inlet pipe 21, and the grooves 212 are located below the external thread 211, and The groove 212 is in a rectangular shape. When a wrench is used to install or remove the cleaning nozzle, the grooves 212 on both sides form a wrench clamping area, so that the cleaning nozzle can be quickly installed and removed.

As shown in Figure 5, the boss 22 is provided at the other end of the water inlet pipe 21. The boss 22 is rotatably connected to the upper surface of the inner wall of the housing 1. Specifically: the upper surface of the boss 22 is provided with a first annular groove. 220, the cross-section of the first annular groove 220 is arc-shaped; the upper surface of the inner wall of the housing 1 is provided with a second annular groove 103, and the cross-section of the second annular groove 103 is arc-shaped; the first annular groove 220 Coaxially arranged with the water inlet pipe 21, the second annular groove 103 is arranged coaxially with the housing 1, that is, the positions of the first annular groove 220 and the second annular groove 103 correspond to each other; the first annular groove 220 and the second annular groove 103 The first rolling elements 24 are arranged between the annular grooves 103. The first rolling elements 24 are spherical. There are multiple first rolling elements 24. The multiple first rolling elements 24 are distributed in the first annular groove 220 and the second annular groove 103. The annular grooves 103 are in rolling fit with each other.

As shown in Figures 4 and 5, the sealing component 23 is detachably disposed on the water inlet pipe 21 outside the housing 1. The sealing component 23 is rotatably connected to the upper surface of the outer wall of the housing 1. The sealing component 23 includes a sealing ring. 231. The positioning nut 232 and the fastening nut 233, the sealing ring 231, the positioning nut 232 and the fastening nut 233 are sleeved on the water inlet pipe 21 in sequence from bottom to top. Specifically:

As shown in Figure 5, the water inlet pipe 21 located at the water inlet 101 has external threads, and the sealing ring 231 has internal threads. The sealing ring 231 and the water inlet pipe 21 are connected through a threaded fit; the material of the sealing ring 231 is tetrafluoroethylene. , PTFE has good wear resistance and small sliding friction coefficient; the lower surface of the sealing ring 231 is provided with a third annular groove 2311, the cross section of the third annular groove 2311 is arc-shaped, and the upper surface of the outer wall of the housing 1 A fourth annular groove 104 is provided on the surface. The cross-section of the fourth annular groove 104 is arc-shaped. The third annular groove 2311 is coaxially arranged with the sealing ring 231. The fourth annular groove 104 is coaxially arranged with the housing 1. , that is, the positions of the third annular groove 2311 and the fourth annular groove 104 correspond to each other; a second rolling element 25 is provided between the third annular groove 2311 and the fourth annular groove 104, and the second rolling element 25 is spherical. , a plurality of second rolling elements 25 are provided. The plurality of second rolling elements 25 are distributed between the third annular groove 2311 and the fourth annular groove 104 and are rollingly matched with both.

As shown in Figure 5, the positioning nut 232 is threadedly connected to the external thread of the water inlet pipe 21 located at the water inlet 101, and the positioning nut 232 presses against the sealing ring 231. The positioning nut 232 is used to adjust the sealing ring 231 and The gap between the housings 1 can not only ensure the smooth rotation of the housing 1, but also prevent water leakage caused by excessive gaps. The fastening nut 233 is threadedly connected to the external thread of the water inlet pipe 21 located at the water inlet 101, and the fastening nut 233 is pressed against the positioning nut 232. The fastening nut 233 and the positioning nut 232 form a double nut structure, which can Displacement of the positioning nut 232 is avoided.

As shown in Figure 5, in order to improve the sealing performance, the lower surface of the sealing ring 231 has an inclined sealing surface 2312 near the water inlet 101. The water inlet 101 of the housing 1 has an inclined mating surface 105. The sealing surface 2312 and the mating surface 105 The inclination angles are consistent, and both are annular; the sealing surface 2312 is provided with a protruding sealing portion 2313, and the sealing portion 2313 presses against the mating surface 105 to form a sealing fit; the sealing portion 2313 is annular, and its cross-section is trapezoidal , multiple sealing parts 2313 may be provided along the inclination direction of the sealing surface 2313. In this embodiment, two sealing parts 2313 are provided. The cleaning liquid sprayed from the water outlet 102 on the cylinder 12 has a downward partial velocity, which can produce an upward reaction force on the housing 1, so that the mating surface 105 at the water inlet 101 on the housing 1 is tightly attached to the sealing ring. On the sealing part 2313 of the sealing surface 2312 of 231, the sealing effect is improved.

The following is a detailed description of the assembly process of the cleaning nozzle of this embodiment:

Place the first rolling element 24 in the first annular groove 220 of the boss 22; insert the water inlet pipe 21 together with the first rolling element 24 through the through hole 130 at the bottom of the housing 1 in the vertical direction, and then pass it through The water inlet 101 on the top of the housing 1 passes through it, and the first rolling element 24 is pushed into the second annular groove 103 of the housing 1. The first rolling element 24 simultaneously engages the first annular groove 220 and the second annular groove 103. The groove 103 forms a rolling fit; place the second rolling element 25 in the fourth annular groove 104 of the housing 1, and then screw the sealing ring 231 on the water inlet pipe 21, so that the second rolling element 25 pushes into the sealing ring 231 In the third annular groove 2311, the second rolling element 25 forms a rolling fit with the third annular groove 2311 and the fourth annular groove 104 at the same time; screw the positioning nut 232 on the water inlet pipe 21 and make it against the seal On the upper surface of the ring 231, screw the fastening nut 233 on the water inlet pipe 21 and make it against the positioning nut 232, and then further adjust the positions of the positioning nut 232 and the fastening nut 233 so that the housing 1 can both go around the water inlet pipe. 21 to rotate to prevent water leakage caused by excessive clearance; then install the sealing plug 14 into the through hole 130 at the bottom of the housing 1 to complete the assembly process.

During the working process of the cleaning nozzle in this embodiment: the cleaning nozzle is connected to the water source through the external thread 211 of the water inlet pipe 21. When connecting, a wrench can be used to tighten the grooves 212 on both sides of the water inlet pipe 21 for quick installation; when the cleaning nozzle is in operation In this state, the water source delivers cleaning fluid to the water inlet pipe 21. The cleaning fluid enters the inside of the housing 1 from the other end of the water inlet pipe 21 and is sprayed out from the water outlet 102 of the housing 1. The sprayed cleaning fluid has the same characteristics as the housing 1. The tangential component velocity on the surface of the cylinder 12 can produce a tangential reaction force on the cylinder 12, prompting the housing 1 to rotate around its own axis. In this process, the sprayed cleaning liquid can exert an upward force on the housing 1. The reaction force causes the mating surface 105 at the water inlet 101 on the housing 1 to be in close contact with the sealing portion 2313 on the sealing ring 231, thereby improving the sealing effect.

The above embodiments are only for illustrating the technical concepts and characteristics of the present invention. Their purpose is to enable those familiar with the technology to understand the contents of the present invention and implement them accordingly. They cannot limit the scope of protection of the present invention. All equivalent changes or modifications based on the spirit and essence of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a spin formula washs shower nozzle, includes the casing, the top of casing seted up the water inlet, the lateral part of casing seted up the delivery port, its characterized in that: the plurality of water outlets are distributed around the shell, and the axes of the water outlets are obliquely arranged relative to the axis of the shell;

the cleaning spray head also comprises a water inlet mechanism, wherein the water inlet mechanism is arranged at the water inlet of the shell, the shell can rotate relative to the water inlet mechanism, and when the cleaning spray head is in a working state, liquid enters the shell through the water inlet mechanism and is sprayed out from a plurality of water outlets to drive the shell to rotate.

2. The spin cleaning head of claim 1, wherein: the water outlets are distributed in a ring shape by taking the axis of the shell as the center, and a plurality of circles are distributed along the axis direction of the shell.

3. The spin cleaning head of claim 1, wherein: the shell comprises a top cover, a cylinder body and a bottom cover, wherein the top cover is connected to the top of the cylinder body, the bottom cover is connected to the bottom of the cylinder body, and the water outlets are formed in the side parts of the top cover, the cylinder body and the bottom cover.

4. A spin cleaning spray head according to claim 3, wherein: the included angle between the axis of the water outlet on the cylinder and the projection of the axis on the horizontal section of the cylinder is 15-45 degrees, and the included angle between the projection of the axis of the water outlet on the cylinder on the horizontal section of the cylinder and the projection of the center of the water outlet on the cylinder on the horizontal section and the connecting line of the center of the cylinder on the horizontal section is 45-75 degrees; the inclination direction of the water outlet on the bottom cover is consistent with the inclination direction of the water outlet on the cylinder; the inclined direction of the water outlet on the top cover and the inclined direction of the water outlet on the cylinder body are in mirror symmetry with the horizontal section of the cylinder body.

5. The spin cleaning head of claim 1, wherein: the water inlet mechanism comprises a water inlet pipe, one end of the water inlet pipe is positioned outside the shell, the other end of the water inlet pipe penetrates through the water inlet and stretches into the shell, a boss is arranged at the other end of the water inlet pipe, and the boss is rotatably connected with the inner wall of the shell.

6. The spin rinse spray head of claim 5, wherein: the upper surface of boss seted up first annular groove, the inner wall of casing on seted up the second annular groove, first annular groove, second annular groove's cross-section all be convex, and the position of both corresponds each other, first annular groove, second annular groove between be provided with first rolling element.

7. The spin rinse spray head of claim 5, wherein: a sealing component is detachably arranged on the water inlet pipe outside the shell and is rotatably connected with the outer wall of the shell.

8. The spin rinse spray head of claim 7, wherein: the sealing assembly comprises a sealing ring, the sealing ring is sleeved on the water inlet pipe, a third annular groove is formed in the lower surface of the sealing ring, a fourth annular groove is formed in the outer wall of the shell, the sections of the third annular groove and the fourth annular groove are arc-shaped, the positions of the third annular groove and the fourth annular groove correspond to each other, and a second rolling body is arranged between the third annular groove and the fourth annular groove.

9. The spin rinse spray head of claim 8, wherein: the lower surface of the sealing ring is provided with a sealing surface, the sealing surface is provided with a convex sealing part, the water inlet of the shell is provided with a matching surface, and the sealing part is propped against the matching surface.

10. The spin cleaning head of claim 1, wherein: the bottom of the shell is provided with a through hole, and a sealing plug is detachably arranged at the through hole.