Self-suction foaming nozzle and closestool

Abstract

The self-suction foaming spray head comprises a spray head body, the spray head body comprises a liquid inlet cavity and a liquid outlet cavity which are communicated, the liquid inlet cavity is provided with a water inlet and a liquid inlet, the side, close to the liquid outlet cavity, of the liquid inlet cavity is provided with an acceleration opening communicated with the liquid outlet cavity, the liquid outlet cavity is provided with a liquid outlet, and the liquid outlet cavity is provided with a water inlet and a liquid outlet. Wherein the radial cross section area of the liquid inlet cavity is smaller than that of the liquid outlet cavity, an air suction opening is formed in the radial interval between the liquid inlet cavity and the liquid outlet cavity and communicates with the liquid outlet cavity and the outside atmosphere, and in the jetting process of the accelerating opening, negative pressure is formed in the liquid outlet cavity, and the liquid inlet cavity is communicated with the liquid outlet cavity. The water inlet and the liquid inlet are integrated in the spray head body, the Venturi effect is utilized for air suction and foaming, the structure is simple, space is saved, installation is convenient, and cost is low.

Description

Technical Field

[0001] The utility model relates to the field of bathrooms, in particular to a self-priming foaming nozzle and a toilet. Background Art

[0002] In the prior art, smart toilets with foam splash prevention and odor isolation functions generally require a separate foaming mechanism, which increases the complexity of the internal structure and takes a long time to foam, resulting in fewer foaming times for the same capacity of foam agent; the existing upper punch foaming method of the same type is to add a component on the basis of the original upper punch, which makes the installation more complicated.

[0003] Therefore, how to create a better upper punch foaming structure to make installation simpler, more foaming times of the same capacity of foaming agent, larger foaming volume and better effect has become a goal that the industry urgently needs to improve. Utility Model Content

[0004] The utility model provides a self-air-absorption foaming nozzle. The invention integrates a water inlet and a liquid inlet on a nozzle body and utilizes the Venturi effect to absorb and foam. The structure is simple, space-saving, easy to install and low-cost.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A self-air-priming foaming nozzle comprises a nozzle body, the nozzle body comprises a connected liquid inlet chamber and a liquid outlet chamber, the liquid inlet chamber is provided with a water inlet and a liquid inlet, the liquid inlet chamber is provided with an acceleration port connected to the liquid outlet chamber on one side close to the liquid outlet chamber, the liquid outlet chamber is provided with a liquid outlet, wherein the radial cross-sectional area of ​​the liquid inlet chamber is smaller than the radial cross-sectional area of ​​the liquid outlet chamber, an air suction port is provided at the radial interval between the liquid inlet chamber and the liquid outlet chamber, the air suction port connects the liquid outlet chamber with the outside atmosphere, and during the spraying process of the acceleration port, negative pressure is formed in the liquid outlet chamber, and then air is sucked into the liquid outlet chamber through the air suction port.

[0007] Preferably, the outer wall of the liquid inlet cavity is provided with a guide plate extending radially outward, and the air is guided along the guide plate to the air intake port.

[0008] Preferably, the outer end of the guide plate does not extend beyond the outer wall of the liquid outlet cavity in the radial direction, so that the radial projection of the guide plate falls within the radial projection area of ​​the liquid outlet cavity.

[0009] Preferably, a liquid inlet joint is provided in the radial direction of the liquid inlet cavity, and the liquid inlet port is provided at the liquid inlet joint.

[0010] Preferably, the outer end of the liquid inlet connector does not extend beyond the outer wall of the liquid outlet cavity in the radial direction, so that the radial projection of the liquid inlet connector falls within the radial projection area of ​​the liquid outlet cavity.

[0011] Preferably, the side wall of the liquid inlet cavity is provided with a recessed portion which is radially inwardly recessed, and the liquid inlet connector is provided in the recessed portion.

[0012] Preferably, the liquid outlet is arc-shaped, and a universal ball head is installed at the liquid outlet.

[0013] Preferably, an outer wall of the liquid outlet is provided with an external thread, and an outer wall of the liquid outlet cavity on a side close to the liquid inlet cavity is provided with an external thread.

[0014] Preferably, the liquid inlet cavity and the liquid outlet cavity are both tubular.

[0015] The utility model also provides a toilet, comprising a brush ring channel, and comprising a self-priming foaming nozzle as described in any one of the above items, wherein the nozzle body is installed at the installation hole of the brush ring channel.

[0016] The beneficial effects of the utility model are:

[0017] The utility model discloses a self-air-priming foaming nozzle, comprising a nozzle body, the nozzle body comprising a connected liquid inlet chamber and a liquid outlet chamber, the liquid inlet chamber is provided with a water inlet and a liquid inlet, the liquid inlet chamber is provided with an acceleration port connected to the liquid outlet chamber on one side close to the liquid outlet chamber, the liquid outlet chamber is provided with a liquid outlet, wherein the radial cross-sectional area of ​​the liquid inlet chamber is smaller than the radial cross-sectional area of ​​the liquid outlet chamber, an air suction port is provided at the radial interval between the liquid inlet chamber and the liquid outlet chamber, the air suction port connects the liquid outlet chamber with the outside atmosphere, during the spraying process of the acceleration port, a negative pressure is formed in the liquid outlet chamber, and then air is sucked into the liquid outlet chamber through the air suction port, the application integrates the water inlet and liquid inlet on the nozzle body, and utilizes the Venturi effect for air suction and foaming, the structure is simple, space saving, easy to install, and low cost.

[0018] The invention has the advantages of simple structure, convenient operation, intelligent control, rapid generation of a large amount of foam, and low maintenance. It can generate sufficiently rich and delicate foam in a shorter time and can better meet customer needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0020] Figure 1 This is an assembly diagram of a self-priming foaming nozzle of the utility model;

[0021] Figure 2 This is an exploded view of a self-priming foaming nozzle of the utility model;

[0022] Figure 3 It is a cross-sectional view of a nozzle body of a self-aspirating foaming nozzle of the utility model;

[0023] Figure 4 It is a cross-sectional view of a self-aspirating foaming nozzle of the utility model;

[0024] 10. Nozzle body; 11. Liquid inlet cavity; 111. Water inlet; 112. Liquid inlet; 113. Acceleration port; 114. Recess; 12. Liquid outlet cavity; 121. Liquid outlet; 122. Air inlet; 13. Guide plate; 131. Air vent; 14. Liquid inlet joint; 20. Universal ball head; 30. Locking nut. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and more understandable, the present invention is further described in detail below in conjunction with 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 used to limit the present invention.

[0026] like Figures 1 to 4 As shown, a self-air-absorbent foaming nozzle comprises a nozzle body 10, wherein the nozzle body 10 comprises a liquid inlet chamber 11 and a liquid outlet chamber 12 which are connected to each other, wherein the liquid inlet chamber 11 is provided with a water inlet 111 and a liquid inlet 112, wherein a side of the liquid inlet chamber 11 close to the liquid outlet chamber 12 is provided with an acceleration port 113 which is connected to the liquid outlet chamber 12, and the liquid outlet chamber 12 is provided with a liquid outlet 121, wherein a radial cross-sectional area of ​​the liquid inlet chamber 11 is smaller than a radial cross-sectional area of ​​the liquid outlet chamber 12, and an air suction port 122 is provided at a radial interval between the liquid inlet chamber 11 and the liquid outlet chamber 12, wherein the air suction port 122 connects the liquid outlet chamber 12 with the outside atmosphere, and during the spraying process of the acceleration port 113, a negative pressure is formed in the liquid outlet chamber 12 under the action of the Venturi effect, and then air is sucked into the liquid outlet chamber 12 through the air suction port 122.

[0027] In this embodiment, the outer wall of the liquid inlet chamber 11 is provided with a guide plate 13 extending radially outward, and the air is guided along the guide plate 13 to the air intake port 122. Specifically, the guide plate 13 is arranged along the outer periphery of the liquid outlet chamber 12, and the guide plate 13 is provided with an air hole 131 connecting the outside atmosphere and the air intake port 122.

[0028] In this embodiment, the outer end of the guide plate 13 does not radially extend beyond the outer wall of the liquid outlet cavity 12, so that the radial projection of the guide plate 13 falls within the radial projection area of ​​the liquid outlet cavity 12, thereby not affecting the installation of the nozzle body nut.

[0029] In this embodiment, a liquid inlet connector 14 is provided in the radial direction of the liquid inlet cavity 11 , and the liquid inlet port 112 is provided at the liquid inlet connector 14 .

[0030] In this embodiment, the outer end of the liquid inlet connector 14 does not radially extend beyond the outer wall of the liquid outlet cavity 12, so that the radial projection of the liquid inlet connector 14 falls within the radial projection area of ​​the liquid outlet cavity 12, thereby not affecting the installation of the nozzle body nut.

[0031] In this embodiment, the side wall of the liquid inlet cavity 11 is provided with a recess 114 which is recessed radially inward, and the liquid inlet connector 14 is provided in the recess 114, thereby ensuring the size of the liquid inlet connector 14 and facilitating the connection of the hose.

[0032] In this embodiment, the liquid outlet 121 is arc-shaped, and a universal ball head 20 is installed at the liquid outlet 121, so that the liquid outlet direction can be adjusted at will.

[0033] In this embodiment, the outer wall of the liquid outlet 121 is provided with an external thread and also includes a locking nut 30, and the universal ball head 20 is installed at the liquid outlet 121 by cooperating with the locking nut 30 and the external thread; the outer wall of the liquid outlet cavity 12 close to the liquid inlet cavity 11 is provided with an external thread.

[0034] In this embodiment, the liquid inlet cavity 11 and the liquid outlet cavity 12 are both tubular.

[0035] The utility model also provides a toilet, including a brush ring channel, including any one of the self-priming foaming nozzles described above, wherein the nozzle body 10 is installed at the installation hole of the brush ring channel.

[0036] The utility model has the advantages of simple structure, convenient operation, intelligent control, rapid production of large amounts of foam, and low maintenance. It can produce sufficiently rich and delicate foam in a shorter time and can better meet customer needs.

[0037] The above description shows and describes the preferred embodiments of the utility model. As mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A self-priming foaming nozzle, characterized in that: The nozzle body comprises a liquid inlet chamber and a liquid outlet chamber which are connected to each other, the liquid inlet chamber is provided with a water inlet and a liquid inlet, the liquid inlet chamber is provided with an acceleration port connected to the liquid outlet chamber on one side of the liquid inlet chamber close to the liquid outlet chamber, the liquid outlet chamber is provided with a liquid outlet, wherein the radial cross-sectional area of ​​the liquid inlet chamber is smaller than the radial cross-sectional area of ​​the liquid outlet chamber, an air intake port is provided at the radial interval between the liquid inlet chamber and the liquid outlet chamber, the air intake port connects the liquid outlet chamber with the outside atmosphere, and during the spraying process of the acceleration port, negative pressure is formed in the liquid outlet chamber, and then air is sucked into the liquid outlet chamber through the air intake port.

2. A self-priming foaming nozzle according to claim 1, characterized in that: The outer wall of the liquid inlet cavity is provided with a guide plate extending radially outward, and the air is guided along the guide plate to the air inlet.

3. A self-priming foaming nozzle according to claim 2, characterized in that: The outer end of the guide plate does not exceed the outer wall of the liquid outlet cavity in the radial direction, so that the radial projection of the guide plate falls within the radial projection area of ​​the liquid outlet cavity.

4. A self-priming foaming nozzle according to claim 1, characterized in that: A liquid inlet joint is provided in the radial direction of the liquid inlet cavity, and the liquid inlet port is provided at the liquid inlet joint.

5. A self-priming foaming nozzle according to claim 4, characterized in that: The outer end of the liquid inlet connector does not extend beyond the outer wall of the liquid outlet cavity in the radial direction, so that the radial projection of the liquid inlet connector falls within the radial projection area of ​​the liquid outlet cavity.

6. A self-priming foaming nozzle according to claim 4, characterized in that: The side wall of the liquid inlet cavity is provided with a recessed portion which is recessed radially inwards, and the liquid inlet joint is arranged in the recessed portion.

7. A self-priming foaming nozzle according to claim 1, characterized in that: The liquid outlet is arc-shaped, and a universal ball head is installed at the liquid outlet.

8. A self-priming foaming nozzle according to claim 1, characterized in that: The outer wall of the liquid outlet is provided with an external thread, and the outer wall of the liquid outlet cavity close to the liquid inlet cavity is provided with an external thread.

9. A self-priming foaming nozzle according to claim 1, characterized in that: The liquid inlet cavity and the liquid outlet cavity are both tubular.

10. A toilet, comprising a brush ring channel, characterized in that: It comprises a self-air-priming foaming nozzle as described in any one of claims 1 to 9, wherein the nozzle body is installed at the installation hole of the brush ring channel.

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