Nozzle of an intelligent toilet

Abstract

The present invention provides a nozzle for a smart toilet, belonging to the technical field of smart toilets. It solves the problem that the foam nozzle and the cleaning nozzle of the existing smart toilet are separately arranged. The nozzle of this smart toilet includes a nozzle body with a flow passage inside. One end of the nozzle body is a water inlet, and the other end is a water outlet. The nozzle body is provided with a liquid inlet for introducing foaming liquid and an air inlet for introducing air. Along the axial direction of the flow passage, the water inlet, the liquid inlet, the air inlet, and the water outlet are arranged in sequence. On the inner side wall between the liquid inlet and the air inlet of the flow passage, there is a guiding portion protruding inward. On the inner side wall of the guiding portion, there is an inclined guiding surface. The constricted end of the guiding portion is close to the air inlet, and the flow area of the flow passage at the air inlet is larger than that at the constricted end of the guiding portion. A foaming brush for assisting foaming is provided at the water outlet of the nozzle body. The nozzle of this smart toilet has both the functions of washing and foaming.

Description

Technical Field

[0001] The present invention belongs to the technical field of intelligent toilets and relates to a nozzle of an intelligent toilet. Background Art

[0002] With the improvement of living standards, people have higher and higher requirements for the quality of life. As a necessity in people's lives, when using a toilet, it is inevitable to bring bad smells or other odors, which affect the user's mood. In addition, the pelvic surface of the toilet is prone to contamination, resulting in problems such as incomplete flushing and waste of water resources. Moreover, when using existing toilets, water splashing is likely to occur.

[0003] In response to the above problems, various improvements have been made, and some have even applied for patents. For example, a Chinese patent document discloses an intelligent toilet with a foaming function [Application No.: 201620581390.0; Authorization Publication No.: CN205857334U], which includes a pelvic surface, a liquid adding box, a foam generator, and an air pump device. The foam generator includes: a liquid adding port for connecting to the liquid adding box; a foam outlet for outputting foam, and the foam outlet sprays foam into the pelvic surface through a foam nozzle; an air inlet for connecting to the air outlet of the air pump device; and a water replenishing port for replenishing water to the foam generator.

[0004] For the intelligent toilet with such a structure, the foam outlet sprays foam into the pelvis through a foam nozzle. The foam nozzle is independently arranged, that is, the foam nozzle and the cleaning nozzle are separately arranged, occupying a large installation space, which causes inconvenience to the internal layout of the intelligent toilet. At the same time, the foam nozzle is separately arranged, and the foam is not easy to flow, resulting in that after the foam is ejected, it cannot completely cover the entire pelvic surface, with poor foaming effect and insufficient sterilization and decontamination effect. Summary of the Invention

[0005] The object of the present invention is to address the above problems existing in the prior art and propose a nozzle for an intelligent toilet, and the technical problem to be solved is how to enable the nozzle to have both washing and foaming functions.

[0006] The object of the present invention can be achieved by the following technical solutions: A nozzle for an intelligent toilet, comprising a nozzle body with a flow passage inside. One end of the nozzle body is an inlet, and the other end is an outlet. It is characterized in that the nozzle body is provided with a liquid inlet for introducing foaming liquid and an air inlet for introducing air. Along the axial direction of the flow passage, the inlet, the liquid inlet, the air inlet, and the outlet are arranged in sequence. The inner side wall of the flow passage between the liquid inlet and the air inlet is provided with a guide portion protruding inward, and the inner side wall of the guide portion is provided with an inclined guide surface. The constricted end of the guide portion is close to the air inlet, and the flow area of the flow passage at the air inlet is larger than that at the constricted end of the guide portion. A foaming brush capable of assisting foaming is provided at the outlet of the nozzle body.

[0007] The inlet is connected to the water inlet pipe of the toilet, the liquid inlet is connected to the foaming liquid, the air inlet is communicated with the outside atmosphere, and the outlet faces the pelvic cavity inside the toilet. The inclined guide surface makes the flow area of the flow passage at the air inlet larger than that at the constricted end of the guide portion. This structure utilizes the Venturi principle to ensure that the flushing water will not flow out from the air inlet when passing through the constricted end of the guide portion. At the same time, when the flushing water rushes out from the constricted end of the guide portion, the air pressure at this part of the flow passage will be reduced, and the outside atmosphere can enter the flow passage through the air inlet. During washing, the liquid inlet can be closed, and the flushing water enters the flow passage from the inlet and then sprays out from the outlet for flushing; when the liquid inlet feeds liquid, the flushing water and the foaming liquid are first mixed, pass through the constricted end of the guide portion, and then mix with air for foaming. Then, through the agitation of the foaming brush to assist foaming, a more efficient foaming effect is achieved, reducing the liquid consumption and saving costs. This nozzle combines washing and foaming functions into one nozzle, reducing the layout space; the foam sprayed by the nozzle flows with the flushing water, ensuring that the foam can cover the entire pelvic cavity inside the toilet, comprehensively sterilizing the entire pelvic cavity, and also covering a lubricating film on the entire pelvic cavity surface, more effectively preventing fouling.

[0008] In the above-mentioned nozzle for an intelligent toilet, the air inlet is in a flat long strip shape. Along the axial direction of the nozzle body, the end surface of the constricted end of the guide portion is flush with one side of the air inlet, and the constricted end of the guide portion is located at the center of this section of the flow passage. This structure ensures that when the nozzle is flushing, air enters the nozzle from the outside atmosphere, and at the same time, water will not flow out through the air inlet, enabling the washing and foaming functions to be combined into one, reducing the layout space.

[0009] In the nozzle of the above-mentioned intelligent toilet, the outer wall of the nozzle body has a reinforcement ring with a protrusion, the air inlet is arranged close to the reinforcement ring, and along the axial direction of the nozzle body, the constricted end of the guide part is located inside the reinforcement ring. The water pressure at the constricted end of the guide part is the highest, and the reinforcement ring plays a role in enhancing the strength, making the nozzle body less susceptible to damage; at the same time, the reinforcement ring plays a role in blocking gas, so that other external substances can better enter the nozzle body, and the gas and the mixed liquid can be better mixed, thereby improving the foaming effect.

[0010] In the nozzle of the above-mentioned intelligent toilet, the nozzle body includes a liquid mixing nozzle body and an air mixing nozzle body, the liquid inlet is located in the liquid mixing nozzle body, the air inlet is located in the air mixing nozzle body, the flow guide surface is located in the middle of the air mixing nozzle body, the inner end of the liquid mixing nozzle body and the inner end of the air mixing nozzle body are detachably connected, the outer end of the liquid mixing nozzle body is a water inlet, and the outer end of the air mixing nozzle body is a water outlet. The nozzle body is separated into two parts, so that the internal structure of the nozzle body can be better processed, and the washing and foaming functions of the nozzle are improved.

[0011] In the nozzle of the above-mentioned intelligent toilet, the liquid mixing nozzle body has a protruding fixed column, the inner end of the gas mixing nozzle body has a bent fixed groove, the groove wall of the fixed groove has a protruding fixed part, the inner end of the liquid mixing nozzle body is inserted into the inner end of the gas mixing nozzle body and the fixed column is embedded in the fixed groove, and the fixed part positions the fixed column in the fixed groove. When assembling, the inner end of the liquid mixing nozzle body is inserted into the inner end of the gas mixing nozzle body, the fixed column is aligned with the notch of the fixed groove, and then the liquid mixing nozzle body and the gas mixing nozzle body are relatively rotated, and the liquid mixing nozzle body and the gas mixing nozzle body are easy to assemble.

[0012] In the above-mentioned nozzle of a smart toilet, the end face of the inner end of the liquid mixing nozzle body is blocked, and there is a gap between the circumferential outer wall of the inner end of the liquid mixing nozzle body and the inner wall of the gas mixing nozzle body. The inner end of the liquid mixing nozzle body has a plurality of first water holes passing through the circumference, and the flow channel in the liquid mixing nozzle body is connected with the flow channel in the gas mixing nozzle body through the first water holes and the gap. This structure makes the mixed liquid of the flushing water and the foaming liquid flow in an irregular direction, and the mixed liquid is more dispersed, so that the flushing water and the foaming liquid are mixed more evenly, thereby improving the foaming effect.

[0013] In the nozzle of the above-mentioned intelligent toilet, the foaming brush includes a positioning part and a foaming part fixed on one side of the positioning part, the positioning part has a second water hole for fluid to pass through, and the other side of the positioning part has a plurality of extended claws, the claws are partially embedded and clamped in the air inlet to fix the foaming brush at the water outlet of the circulation channel. The foaming brush is fixed to the nozzle body by clamping the air inlet, which makes reasonable use of the structure of the nozzle itself and has a reasonable design; at the same time, it is clamped and fixed, which is convenient for fixing and assembling.

[0014] In the nozzle of the above-mentioned intelligent toilet, the positioning part includes an outer ring, an inner ring and several mixing ribs. The outer ring and the inner ring are fixedly connected by the mixing ribs. The outer ring, the inner ring and the mixing ribs enclose the second water passage hole. The claw is fixedly connected to the outer ring, and the foaming part is fixedly connected to the inner ring. The positioning part plays a role in positioning and fixing the foaming brush. At the same time, when the mixed liquid flows through the second water passage hole, it will be dispersed and mixed, improving the foaming effect.

[0015] In the nozzle of the above-mentioned intelligent toilet, the claw includes a connecting rod. One end of the connecting rod is fixedly connected to the outer ring. The other end of the connecting rod has a protruding clamping part. The outer ring and the connecting rod are both attached to the inner side wall of the flow passage. The clamping part is embedded into the air inlet and the clamping part is clamped with the side wall of the air inlet. The clamping is convenient, the fixed connection is convenient, and the fixing firmness is high.

[0016] In the nozzle of the above-mentioned intelligent toilet, the foaming part includes a foaming rod and several foaming filaments fixedly connected around the foaming rod. There is a gap between two adjacent foaming filaments. One end of the foaming rod is fixedly connected to the middle of the positioning part. The arrangement of the foaming filaments can better disperse the mixed liquid, play a better role in assisting foaming, enable the mixed liquid of the flushing water and the foaming liquid to foam better, and thus improve the decontamination and deodorization effects.

[0017] Compared with the prior art, the nozzle of the intelligent toilet provided by the present invention has the following advantages:

[0018] 1. This nozzle combines the functions of washing and foaming. The washing and foaming are integrated into one, reducing the installation space occupied during nozzle layout, and enabling the internal structure of the toilet to be arranged more reasonably.

[0019] 2. The foam of this nozzle flows along with the flushing water, enabling the foam to wash the entire pelvic surface, playing a role in comprehensively sterilizing the entire pelvic cavity, and also being able to cover a lubricating film on the entire pelvic surface, more effectively preventing fouling.

[0020] 3. This nozzle applies the Venturi principle to inhale air. First, by changing the flow path at the inner end of the mixing liquid nozzle, and second, by using the foaming brush to disperse and assist in foaming, this nozzle has a more efficient foaming effect, uses less liquid, has a good foaming effect, and saves the use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the nozzle of this intelligent toilet.

[0022] Figure 2 It is a cross-sectional view of the overall structure of the nozzle of this intelligent toilet when the fixing column and the fixing groove opening are opposite.

[0023] Figure 3 It is a schematic diagram of the overall structure of the liquid mixing nozzle body of the nozzle of this intelligent toilet.

[0024] Figure 4 It is a schematic diagram of the overall structure of the air mixing nozzle body of the nozzle of this intelligent toilet.

[0025] Figure 5 It is a schematic diagram of the overall structure of the foaming brush of the nozzle of this intelligent toilet.

[0026] In the figure, 1 is the circulation channel; 2 is the nozzle body; 21 is the water inlet; 22 is the water outlet; 23 is the liquid inlet; 24 is the air inlet; 25 is the flow guiding part; 251 is the flow guiding surface; 26 is the reinforcing ring; 27 is the liquid mixing nozzle body; 28 is the air mixing nozzle body; 29 is the fixing column; 210 is the fixing groove; 211 is the fixing part; 212 is the first water passing hole; 3 is the foaming brush; 31 is the positioning part; 311 is the second water passing hole; 312 is the claw; 313 is the outer ring; 314 is the inner ring; 315 is the mixing rib; 316 is the connecting rod; 317 is the clamping part; 32 is the foaming part; 321 is the foaming rod; 322 is the foaming wire. Specific embodiments

[0027] The following are specific embodiments of the present invention and in combination with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0028] As Figure 1 、 Figure 2 shown, the nozzle of the intelligent toilet includes a nozzle body 2 and a foaming brush 3. The nozzle body 2 has a circulation channel 1 inside. The nozzle body 2 includes a liquid mixing nozzle body 27 and an air mixing nozzle body 28. The inner ends of the liquid mixing nozzle body 27 and the air mixing nozzle body 28 are detachably fixedly connected. The outer end of the liquid mixing nozzle body 27 is the water inlet 21, the outer end of the air mixing nozzle body 28 is the water outlet 22. The liquid mixing nozzle body 27 has a liquid inlet 23 for introducing foaming liquid, the air mixing nozzle body 28 has an air inlet 24 for introducing air. Along the axial direction of the circulation channel 1, the water inlet 21, the liquid inlet 23, the air inlet 24 and the water outlet 22 are arranged in sequence.

[0029] On the inner side wall of the circulation channel 1 between the liquid inlet 23 and the air inlet 24, there is a flow guiding part 25 protruding inward. On the inner side wall of the flow guiding part 25, there is an inclined flow guiding surface 251. Specifically, the flow guiding surface 251 is located in the middle of the air mixing nozzle body 28, and the flow guiding surface 251 is in the shape of a conical surface. As Figure 4As shown, a reinforcing ring 26 is convexly provided on the outer side wall of the gas-mixing nozzle body 28. The air inlet 24 is in a flat strip shape and is arranged against the reinforcing ring 26. Along the axial direction of the nozzle body 2, the end face of the constricted end of the guiding part 25 is flush with one side of the air inlet 24, and the constricted end of the guiding part 25 is located at the center of this section of the flow channel 1. The distances from each air inlet 24 to the center of the constricted end of the guiding part 25 are the same. The constricted end of the guiding part 25 is located within the reinforcing ring 26, and the inner diameter of the flow area of the flow channel 1 at the air inlet 24 is larger than the flow area at the constricted end of the guiding part 25.

[0030] As Figure 3 shown, a fixing post 29 is convexly provided on the liquid-mixing nozzle body 27. The inner end of the gas-mixing nozzle body 28 has a bent fixing groove 210, and a fixing part 211 is convexly provided on the groove wall of the fixing groove 210. The inner end of the liquid-mixing nozzle body 27 is inserted into the inner end of the gas-mixing nozzle body 28 and the fixing post 29 is embedded in the fixing groove 210. The fixing part 211 positions the fixing post 29 in the fixing groove 210. The end face of the inner end of the liquid-mixing nozzle body 27 is blocked, and there is a gap between the circumferential outer side wall of the inner end of the liquid-mixing nozzle body 27 and the inner side wall of the gas-mixing nozzle body 28. In this embodiment, there are four through first water holes 212 circumferentially at the inner end of the liquid-mixing nozzle body 27. The flow channel 1 in the liquid-mixing nozzle body 27 is connected to the flow channel 1 in the gas-mixing nozzle body 28 through the first water holes 212 and this gap. In actual production, the number of the first water holes 212 can be three or six.

[0031] The foaming brush 3 is arranged at the water outlet 22 of the nozzle body 2. As Figure 5 shown, the foaming brush 3 includes a positioning part 31 and a foaming part 32 fixed on one side of the positioning part 31. The positioning part 31 includes an outer ring 313, an inner ring 314 and mixing ribs 315. The outer ring 313 and the inner ring 314 are fixedly connected by the mixing ribs 315. The outer ring 313, the inner ring 314 and the mixing ribs 315 enclose a second water hole 311. In this embodiment, the number of the mixing ribs 315 is three. Two claw-like connectors 312 are fixedly connected to the other side of the outer ring 313. The claw-like connectors 312 are arranged in one-to-one correspondence with the air inlets 24. In actual production, the number of the mixing ribs 315 can be four or six, and the number of the claw-like connectors 312 can be three or four. The claw-like connector 312 includes a connecting rod 316. One end of the connecting rod 316 is fixedly connected to the outer ring 313, and the other end of the connecting rod 316 has a convexly provided clamping part 317. Both the outer ring 313 and the connecting rod 316 are in contact with the inner side wall of the flow channel 1. The clamping part 317 is embedded into the air inlet 24 and is clamped with the side wall of the air inlet 24. The foaming part 32 includes a foaming rod 321 and foaming filaments 322 fixed around the foaming rod 321. There is a gap between two adjacent foaming filaments 322. One end of the foaming rod 321 is fixedly connected to the inner ring 314.

[0032] When foaming is not required during washing, the liquid inlet 23 can be closed, and the flushing water enters the flow channel 1 from the water inlet 21 and then sprays out from the water outlet 22 for flushing. When foaming is required, the foaming liquid enters the flow channel 1 through the liquid inlet 23, mixes with the flushing water entering from the water inlet 21, and then the mixed liquid enters the flow channel 1 of the air mixing nozzle body 28 through the first water passing hole 212, and then sprays out from the constricted end of the diversion part 25. At the constricted end of the diversion part 25, the mixed liquid mixes with air to foam, and then enters the foaming brush. After being assisted by the foaming brush to foam, it sprays out from the water outlet 22.

[0033] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar methods for substitution, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0034] Although terms such as flow channel 1, nozzle body 2, water inlet 21, water outlet 22, liquid inlet 23, air inlet 24, diversion part 25, diversion surface 251, reinforcing ring 26, liquid mixing nozzle body 27, air mixing nozzle body 28, fixing column 29, fixing groove 210, fixing part 211, first water passing hole 212, foaming brush 3, positioning part 31, second water passing hole 311, clamping claw 312, outer ring 313, inner ring 314, mixing rib 315, connecting rod 316, clamping part 317, foaming part 32, foaming rod 321, foaming wire 322, etc. are used more frequently in this article, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the present invention; any interpretation of them as an additional limitation is contrary to the spirit of the present invention.

Claims

1. A nozzle of a smart toilet, comprising a nozzle body (2) with a flow passage (1) inside. One end of the nozzle body (2) is a water inlet (21), and the other end is a water outlet (22). It is characterized in that, The nozzle body (2) is provided with a liquid inlet (23) for introducing the foaming liquid and an air inlet (24) for introducing air. Along the axial direction of the flow passage (1), the water inlet (21), the liquid inlet (23), the air inlet (24) and the water outlet (22) are arranged in sequence. The inner side wall of the flow passage (1) between the liquid inlet (23) and the air inlet (24) is provided with a guide part (25) protruding inwards. The inner side wall of the guide part (25) is provided with an inclined guide surface (251). The necking end of the guide part (25) is close to the air inlet (24), and the flow area of the flow passage (1) at the air inlet (24) is larger than the flow area at the necking end of the guide part (25). A foaming brush (3) for assisting foaming is provided at the water outlet (22) of the nozzle body (2), and the foaming brush (3) is fixed at the water outlet (22) of the flow passage (1).

2. The nozzle of an intelligent toilet according to claim 1, characterized in that, The air inlet (24) is in the shape of a flat strip. Along the axial direction of the nozzle body (2), the end surface of the necking end of the guide part (25) is flush with one side of the air inlet (24), and the necking end of the guide part (25) is located at the center of this section of the flow passage (1).

3. The nozzle of an intelligent toilet according to claim 1, characterized in that, The outer side wall of the nozzle body (2) is provided with a reinforcing ring (26) protruding outwards. The air inlet (24) is arranged against the reinforcing ring (26). Along the axial direction of the nozzle body (2), the necking end of the guide part (25) is located inside the reinforcing ring (26).

4. The nozzle of an intelligent toilet according to claim 1 or 2 or 3, characterized in that, The nozzle body (2) includes a liquid mixing nozzle body (27) and an air mixing nozzle body (28). The liquid inlet (23) is located in the liquid mixing nozzle body (27), the air inlet (24) is located in the air mixing nozzle body (28), the guide surface (251) is located in the middle of the air mixing nozzle body (28). The inner end of the liquid mixing nozzle body (27) and the inner end of the air mixing nozzle body (28) are detachably fixed together. The outer end of the liquid mixing nozzle body (27) is the water inlet (21), and the outer end of the air mixing nozzle body (28) is the water outlet (22).

5. The nozzle of an intelligent toilet according to claim 4, characterized in that, The liquid mixing nozzle body (27) is provided with a fixing post (29) protruding outwards. The inner end of the air mixing nozzle body (28) has a bent fixing groove (210). The groove wall of the fixing groove (210) is provided with a fixing part (211) protruding outwards. The inner end of the liquid mixing nozzle body (27) is inserted into the inner end of the air mixing nozzle body (28) and the fixing post (29) is embedded in the fixing groove (210), and the fixing part (211) positions the fixing post (29) in the fixing groove (210).

6. The nozzle of an intelligent toilet according to claim 4, characterized in that, The end surface of the inner end of the liquid mixing nozzle body (27) is blocked. There is a gap between the circumferential outer side wall of the inner end of the liquid mixing nozzle body (27) and the inner side wall of the air mixing nozzle body (28). The circumference of the inner end of the liquid mixing nozzle body (27) has a number of through first water holes (212). The flow passage (1) in the liquid mixing nozzle body (27) is connected to the flow passage (1) in the air mixing nozzle body (28) through the first water holes (212) and this gap.

7. A nozzle of an intelligent toilet according to claim 1 or 2 or 3, characterized in that, The foaming brush (3) includes a positioning part (31) and a foaming part (32) fixed to one side of the positioning part (31). The positioning part (31) has a second water passage hole (311) for fluid to pass through. On the other side of the positioning part (31), there are several extended claws (312), and part of the claws (312) is embedded and clamped in the air inlet (24).

8. The nozzle of an intelligent toilet according to claim 7, characterized in that The positioning part (31) includes an outer ring (313), an inner ring (314) and several mixing ribs (315). The outer ring (313) and the inner ring (314) are fixedly connected by the mixing ribs (315). The outer ring (313), the inner ring (314) and the mixing ribs (315) enclose the second water passage hole (311). The claws (312) are fixedly connected to the outer ring (313), and the foaming part (32) is fixedly connected to the inner ring (314).

9. The nozzle of an intelligent toilet according to claim 8, characterized in that, The claw (312) includes a connecting rod (316). One end of the connecting rod (316) is fixedly connected to the outer ring (313). The other end of the connecting rod (316) has a protruding clamping part (317). Both the outer ring (313) and the connecting rod (316) are in contact with the inner side wall of the flow passage (1). The clamping part (317) is embedded in the air inlet (24) and the clamping part (317) is clamped with the side wall of the air inlet (24).

10. The nozzle of an intelligent toilet according to claim 7, characterized in that, The foaming part (32) includes a foaming rod (321) and several foaming filaments (322) fixed around the foaming rod (321). There is a gap between two adjacent foaming filaments (322). One end of the foaming rod (321) is fixedly connected to the middle of the positioning part (31).

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