A self-priming nozzle

Abstract

The utility model belongs to the technical field of nozzles, and particularly refers to a self-priming nozzle; a bottom cover is arranged on the bottom surface of a substrate, a top cover is arranged on the upper plane of the substrate, more than two independent water paths are formed between the bottom cover and the substrate, each water path is connected with a water inlet pipe, an air inlet hole is arranged on the bottom cover or the top cover, an air mixing chamber is formed between the top cover and the substrate, the air inlet hole is communicated with the air mixing chamber, nozzles corresponding in number to the water path are arranged on the top cover, and through holes corresponding in number to the water path and communicating the water path with the air mixing chamber are arranged on the substrate; the utility model is provided with an air inlet hole, air enters the air mixing chamber through the air inlet hole to be mixed with water, and the water column sprayed out through the nozzle carries air, thereby improving the softness of the water column flushing and the comfort of the user, and at the same time, no air pump is required, thereby reducing the use cost.

Description

Technical field:

[0001] The utility model belongs to the technical field of nozzles, in particular to a self-aspirating nozzle. Background technology:

[0002] The spray function is one of the conventional functions of smart toilets, which is used to wash the user's buttocks and women's washing after defecation. The spray function of a smart toilet is usually realized by a spray device, in which a nozzle is set at the front end of the spray rod of the spray device, and a butt washing nozzle, a women's washing nozzle or a wide nozzle is set on the nozzle. The corresponding nozzle sprays water to achieve the function of buttock washing or women's washing. However, most of the current nozzles use an external air pump to mix air, which is costly, and the sprayed water column is not soft, resulting in a poor user experience. Summary of the invention:

[0003] The utility model aims to provide a self-priming air nozzle, in which air enters into an air mixing chamber and mixes with water in a self-priming manner, thereby improving the softness of water column flushing.

[0004] The utility model is achieved in this way:

[0005] A self-priming nozzle comprises a substrate, a bottom cover is arranged on the bottom surface of the substrate, a top cover is arranged on the upper plane of the substrate, more than two independent waterways are formed between the bottom cover and the substrate, each waterway is connected to a water inlet pipe, an air inlet hole is arranged on the bottom cover or the top cover, an air mixing cavity is formed between the top cover and the substrate, the air inlet hole is connected to the air mixing cavity, nozzles corresponding in number to the waterways are arranged on the top cover, and through holes corresponding in number to the waterways and connecting the waterways with the air mixing cavity are arranged on the substrate.

[0006] In the above-mentioned self-priming nozzle, there are two water channels, namely the first water channel and the second water channel, the first pit and the second pit are arranged on the bottom cover, the substrate covers the bottom cover and forms the first water channel and the second water channel with the first pit and the second pit, and through holes respectively connected with the first water channel and the second water channel are arranged on the substrate, the axes of the through holes are arranged in parallel, and the angle between the axes and the substrate is 70°-80°.

[0007] In the above-mentioned self-priming nozzle, there are two nozzles on the top cover, namely, a butt wash nozzle and a women's wash nozzle. The positions of the butt wash nozzle and the women's wash nozzle correspond to the through holes one by one. The butt wash nozzle and the women's wash nozzle are both trumpet hole structures with small apertures on the outside and large apertures on the inside, and the angle β between their axes and the substrate is 70°-80°.

[0008] In the above-mentioned self-priming nozzle, the air inlet holes are located on both sides of the nozzle on the top cover, including a square groove extending downward from the upper plane of the top cover and a channel opened on the side wall of the square groove, and the channel is connected to the gas mixing chamber.

[0009] In the above-mentioned self-priming nozzle, there are three water channels, namely the third water channel, the fourth water channel and the fifth water channel, the bottom cover is provided with a first recess, a second recess and a third recess, the outer side of the first recess is provided with a first protrusion with the same shape as the first recess contour, the outer side of the second recess is provided with a second protrusion with the same shape as the second recess contour, the outer side of the third recess is provided with a third protrusion with the same shape as the third recess contour, the bottom surface of the substrate is provided with a first groove, a second groove and a third groove with the same shape as the first groove, the second groove and the third groove and corresponding positions, the bottom surface of the substrate is pressed on the first protrusion, the second protrusion and the third protrusion, so that the first recess and the first groove form the third water channel, the second recess and the second groove form the fourth water channel, and the third recess and the third groove form the fifth water channel.

[0010] In the above-mentioned self-aspiration nozzle, the through hole includes a first through hole, a second through hole and a third through hole, the axes of the first through hole, the second through hole and the third through hole are arranged in parallel, and the angle between the axis and the substrate is 70°-80°.

[0011] In the above-mentioned self-priming nozzle, the air inlet hole is located on the bottom cover, and the air inlet hole includes an open-loop hole at the lower end and a closed-loop hole at the upper end. The open-loop hole and the closed-loop hole are coaxially arranged. The open-loop hole is an opening arranged on the hole wall, and the opening passes through the corresponding side wall arrangement on the substrate. The angle between the axis of the closed-loop hole, the open-loop hole and the bottom cover is 70°-80°.

[0012] In the above-mentioned self-aspirating nozzle, an independent air inlet cavity is formed between the bottom surface of the substrate and the upper plane of the bottom cover, and a connecting hole connecting the air inlet cavity and the air mixing cavity is provided on the substrate.

[0013] In the above-mentioned self-priming nozzle, three nozzles are provided, namely a buttocks washing nozzle, a women's washing nozzle and a wide-width nozzle.

[0014] The outstanding advantages of the utility model compared with the prior art are:

[0015] The utility model is provided with an air inlet hole, through which air enters into the air mixing chamber to be mixed with water, and the water column sprayed out through the nozzle contains air, which improves the softness of the water column flushing and the comfort of users. At the same time, no air pump is required, thereby reducing the use cost. Description of the drawings:

[0016] Figure 1 is a three-dimensional schematic diagram of Example 1;

[0017] Figure 2 is a front view of Example 1;

[0018] Figure 3 yes Figure 2 AA section view;

[0019] Figure 4 yes Figure 2 BB cross-sectional view;

[0020] Figure 5 is a schematic diagram of the top cover of Example 1;

[0021] Figure 6 is a front schematic diagram of Example 2;

[0022] Figure 7 is a schematic diagram of the back side of Example 2;

[0023] Figure 8 is a bottom schematic diagram of the substrate of Example 2;

[0024] Fig. 9 is a top view of Example 2;

[0025] Fig.10 yes Fig. 9 CC section view;

[0026] Fig.11 is a bottom view of Example 2;

[0027] Fig.12 yes Fig.11 DD cross-sectional view;

[0028] Fig.13 It is a schematic diagram of the explosion of Example 2.

[0029] In the figure: 1. base plate; 2. bottom cover; 3. top cover; 4. water inlet pipe; 5. air inlet hole; 6. air mixing chamber; 7. through hole; 8. first pit; 9. second pit; 10. women's wash nozzle; 11. hip wash nozzle; 12. square groove; 13. channel; 14. wide nozzle; 15. first depression; 16. second depression; 17. third depression; 18. first protrusion; 19. second protrusion; 20. second protrusion; 21. first groove; 22. second groove; 23. third groove; 24. open-loop hole; 25. closed-loop hole; 26. air inlet chamber; 27. connecting hole. Specific implementation method:

[0030] The present invention is further described below with reference to specific embodiments.

[0031] Example 1: See Figure 1-5 :

[0032] The present embodiment provides a self-priming nozzle, which includes a substrate 1, a bottom cover 2 is arranged on the bottom surface of the substrate 1, and a top cover 3 is arranged on the upper plane of the substrate 1, more than two independent water channels are formed between the bottom cover 2 and the substrate 1, each water channel is connected to a water inlet pipe 4, an air inlet hole 5 is arranged on the top cover 3, an air mixing chamber 6 is formed between the top cover 3 and the substrate 1, and the air inlet hole 5 is connected to the air mixing chamber 6, the top cover 3 is provided with nozzles corresponding to the water channel in number, and the substrate 1 is provided with through holes 7 corresponding to the water channel in number and connecting the water channel and the air mixing chamber 6.

[0033] Furthermore, the present embodiment has two waterways, such as Figure 4 As shown, they are the first waterway and the second waterway, respectively. The bottom cover 2 is provided with a first pit 8 and a second pit 9. The substrate 1 covers the bottom cover 2 and forms the first waterway and the second waterway with the first pit 8 and the second pit 9. Two corresponding through holes are provided, and the angle α between the through hole and the substrate 1 is 70°-80°. The specific angle can be any value within the above range, and the angle is set to 78° in this embodiment.

[0034] For example Figure 4 As shown, the nozzles of the top cover 3 correspond to the positions of the two through holes one by one, and the nozzles are respectively a female washing nozzle 10 and a hip washing nozzle 11. The female washing nozzle 10 and the hip washing nozzle 11 are both trumpet hole structures with small apertures outside and large apertures inside, and the angle β between their axes and the substrate 1 is 70°-80°. The specific angle can be any value within the above range, and the angle is set to 75° in this embodiment.

[0035] like Figure 1-Figure 3 As shown, the air inlet 5 is located on both sides of the nozzle on the top cover 3, including a square groove 12 extending downward from the top cover 3, and a channel 13 opened on the side wall of the square groove 12, and the channel 13 is connected to the gas mixing chamber 6. In this way, a structure in which the air inlet 5 is large outside and small inside is formed.

[0036] Water enters the corresponding water channel and the through hole into the mixing chamber 6 through the water inlet pipe 4, and air enters the mixing chamber 6 through the air inlet hole 5 using the Venturi principle to mix with the water. The water column sprayed out through the feminine wash nozzle 10 or the buttock wash nozzle 11 contains air, which improves the softness of the water column flushing and improves the comfort of users.

[0037] Example 2: See Figure 6-13 :

[0038] The structure of this embodiment is basically the same as that of embodiment 1, with the difference being that: this embodiment is provided with three nozzles, namely, a feminine wash nozzle 10, a hip wash nozzle 11 and a wide-width nozzle 14, and correspondingly, there are three water channels, namely, a third water channel, a fourth water channel and a fifth water channel. The bottom cover 2 is provided with a first recess 15, a second recess 16 and a third recess 17, a first protrusion 18 having the same shape as the first recess 15 is provided on the outer side of the first recess 15, a second protrusion 19 having the same shape as the second recess 16 is provided on the outer side of the second recess 16, a third protrusion 20 having the same shape as the third recess 17 is provided on the outer side of the third recess 17, a first groove 21, a second groove 22 and a third groove 23 having the same shape as the first recess 15, the second recess 16 and the third recess 17 and corresponding positions are provided on the bottom surface of the substrate 1, the bottom surface of the substrate 1 is pressed on the first protrusion 18, the second protrusion 19 and the second protrusion 20, so that the first recess 15 and the first groove 21 form a first waterway, the second recess 16 and the second groove 22 form a second waterway, and the third recess 17 and the third groove 23 form a third waterway.

[0039] Similarly, in this embodiment, three through holes 7 are provided, namely a first through hole, a second through hole and a third through hole, and the axes of the first through hole, the second through hole and the third through hole are arranged in parallel.

[0040] In addition, the air inlet hole 5 described in this embodiment is located on the bottom cover 2, and the air inlet hole 5 includes an open-loop hole 24 located at the lower end and a closed-loop hole 25 located at the upper end. The open-loop hole 24 is coaxially arranged with the closed-loop hole 25, and the open-loop hole 24 is an opening arranged on the hole wall, and the opening passes through the corresponding side wall arrangement on the substrate 1.

[0041] As shown in the figure, in this embodiment, an independent air inlet cavity 26 is formed between the bottom surface of the substrate 1 and the upper plane of the bottom cover 2 , and a connecting hole 27 connecting the air inlet cavity 26 and the gas mixing cavity 6 is provided on the substrate 1 .

[0042] The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of implementation of the present utility model. Therefore, any equivalent changes made based on the shape, structure, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A self-aspirating nozzle, comprising a substrate (1), a bottom cover (2) arranged on the bottom surface of the substrate (1), and a top cover (3) arranged on the upper surface of the substrate (1), characterized in that: More than two independent water channels are formed between the bottom cover (2) and the base plate (1), each water channel is connected to a water inlet pipe (4), an air inlet hole (5) is provided on the bottom cover (2) or the top cover (3), an air mixing chamber (6) is formed between the top cover (3) and the base plate (1), the air inlet hole (5) is connected to the air mixing chamber (6), the top cover (3) is provided with nozzles corresponding in number to the water channels, and the base plate (1) is provided with through holes (7) corresponding in number to the water channels and connecting the water channels with the air mixing chamber (6).

2. A self-aspirating nozzle according to claim 1, characterized in that: The water channels are provided with two, namely a first water channel and a second water channel. A first pit (8) and a second pit (9) are provided on the bottom cover (2). The base plate (1) covers the bottom cover (2) and forms the first water channel and the second water channel with the first pit (8) and the second pit (9). The base plate (1) is provided with through holes (7) respectively connected with the first water channel and the second water channel. The axes of the through holes (7) are arranged in parallel, and the angle between the axes and the base plate (1) is 70°-80°.

3. A self-aspirating nozzle according to claim 2, characterized in that: Two nozzles are provided on the top cover (3), namely a butt wash nozzle (11) and a women's wash nozzle (10). The positions of the butt wash nozzle (11) and the women's wash nozzle (10) correspond to the through holes one by one. The butt wash nozzle (11) and the women's wash nozzle (10) are both horn hole structures with a small aperture outside and a large aperture inside. The angle β between the axis and the base plate (1) is 70°-80°.

4. A self-aspirating nozzle according to claim 3, characterized in that: The air inlet holes (5) are located on both sides of the nozzle on the top cover (3), and include a square groove (12) extending downward from the upper plane of the top cover (3) and a channel (13) opened on the side wall of the square groove (12), wherein the channel (13) is connected to the gas mixing chamber (6).

5. A self-aspirating nozzle according to claim 1, characterized in that: The water channels are provided with three, namely, a third water channel, a fourth water channel and a fifth water channel. The bottom cover (2) is provided with a first recess (15), a second recess (16) and a third recess (17). The first recess (15) is provided with a first protrusion (18) having the same shape as the first recess (15) on its outer side. The second recess (16) is provided with a second protrusion (19) having the same shape as the second recess (16) on its outer side. The third recess (17) is provided with a first protrusion (18) having the same shape as the third recess (17) on its outer side. The bottom surface of the substrate (1) is provided with a first groove, a second groove and a third groove having the same shape as the first groove, the second groove and the third groove and corresponding positions. The bottom surface of the substrate (1) is pressed on the first groove (18), the second groove (19) and the third groove (20), so that the first depression (15) and the first groove form a third waterway, the second depression (16) and the second groove form a fourth waterway, and the third depression (17) and the third groove form a fifth waterway.

6. A self-aspirating nozzle according to claim 5, characterized in that: The through hole (7) comprises a first through hole, a second through hole and a third through hole, wherein the axes of the first through hole, the second through hole and the third through hole are arranged in parallel, and the angle between the axes and the substrate (1) is 70°-80°.

7. A self-aspirating nozzle according to claim 5, characterized in that: The air inlet hole (5) is located on the bottom cover (2), and the air inlet hole (5) comprises an open loop hole (24) located at the lower end and a closed loop hole (25) located at the upper end. The open loop hole (24) and the closed loop hole (25) are coaxially arranged. The open loop hole (24) is provided with an opening on the hole wall, and the opening passes through the corresponding side wall arrangement on the substrate (1). The angle between the axis of the closed loop hole (25) and the open loop hole (24) and the bottom cover (2) is 70°-80°.

8. A self-aspirating nozzle according to claim 7, characterized in that: An independent air intake cavity (26) is formed between the bottom surface of the base plate (1) and the upper plane of the bottom cover (2), and a connecting hole (27) connecting the air intake cavity (26) and the air mixing cavity (6) is provided on the base plate (1).

9. A self-aspirating nozzle according to claim 5, characterized in that: The nozzles are provided in three numbers, namely a buttocks washing nozzle (11), a women's washing nozzle (10) and a wide-width nozzle (14).

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