CN220908587U - Self-priming foaming spray head and closestool - Google Patents

Abstract

The utility model provides a self-priming foaming spray head and a closestool, which comprises a foaming body, wherein the foaming body is provided with an inner cavity, a liquid inlet, an air inlet and a foam outlet, wherein the liquid inlet, the air inlet and the foam outlet are communicated with the inner cavity, the foaming body is also provided with an injection hole communicated with the liquid inlet, the injection hole ejects sheet foaming liquid to the inner cavity of the foaming body, when the injection hole ejects the foaming liquid, the inner cavity of the foaming body forms negative pressure, and then external air is sucked through the air inlet, and foam generated by mixing air and the foaming liquid in the inner cavity of the foaming body is discharged from the foam outlet. The foaming liquid is sprayed out through the spraying hole arranged in the foaming liquid, so that negative pressure natural suction is generated in the inner cavity to replace the air pump for air supply, and the contact area between the air and the foaming liquid can be increased by spraying the foaming liquid which is scattered in a sheet shape through the spraying hole, so that the mixing effect of the foaming liquid and the air is improved.

Description

Self-priming foaming spray head and closestool

Technical Field

The utility model relates to the technical field of bathroom products, in particular to a self-priming foaming spray head and a closestool.

Background

Because the water seal is arranged at the bottom of the closestool, dirty water in the water seal is easy to splash when the closestool is used, foam is covered on the surface of the water seal of the closestool to form a layer of foam shield, so that the splashing can be restrained, meanwhile, the foam also has the functions of sterilization and deodorization, and also can play a role in lubrication, so that dirt is easier to discharge.

The existing foam shield device is controlled by a liquid pump, an air pump and a reversing valve/electromagnetic valve, water is supplied to the foam shield device through the reversing valve/electromagnetic valve, the liquid pump extracts foaming agent stock solution from a liquid storage bottle and supplies the foaming agent stock solution into the foam shield device, the air pump supplies gas, the water, the foaming agent stock solution and the gas are mixed in the foam shield device, foam is generated through a foaming net, the foam is discharged into a water seal, and the foam shield is formed on the surface of the water seal.

Because the liquid pump is required to be used for pumping the foaming agent stock solution, the air pump provides air, so that the cost of the foam shield device is higher, and meanwhile, a control port on the main control board of the intelligent cover plate is required to be occupied.

Therefore, the self-priming spray head is adopted to replace a pump for sucking air in the prior art, however, most of liquid sprayed from the accelerating holes of the existing self-priming spray head is columnar, so that the liquid is concentrated and is difficult to be fully mixed with air.

Disclosure of utility model

In order to solve the problems, the utility model aims to provide a self-priming foaming nozzle and a closestool.

The utility model is realized by the following steps:

The self-priming foaming spray head has the advantages that the foaming liquid is sprayed out through the spray hole arranged in the self-priming foaming spray head, negative pressure is generated in the inner cavity to naturally suck air to replace an air pump for air supply, the contact area between gas and the foaming liquid can be increased by spraying the foaming liquid which is scattered in a sheet shape through the spray hole, and the mixing effect of the foaming liquid and the gas is improved. The self-priming foaming spray head comprises a foaming body, wherein the foaming body is provided with an inner cavity, a liquid inlet, an air inlet and a foam outlet, the liquid inlet, the air inlet and the foam outlet are communicated with the inner cavity, the foaming body is further provided with an injection hole communicated with the liquid inlet, the injection hole ejects sheet foaming liquid into the inner cavity of the foaming body, the inner cavity of the foaming body forms negative pressure when the injection hole ejects the foaming liquid, and then external air is sucked through the air inlet, and foam generated by mixing the air and the foaming liquid in the inner cavity of the foaming body is discharged from the foam outlet.

Preferably, the flow cross section of the injection hole is gradually increased in the injection direction.

Preferably, the outlet end of the injection hole has a square, waist-shaped, oval or circular cross section.

Preferably, two or more than two injection holes are provided, and each injection hole is arranged on the same plane in the foaming body.

Preferably, the injection hole is in a horn shape expanding in an injection direction.

Preferably, the side wall of the foaming body is provided with an air suction connector, the outlet end of the air suction connector forms the air inlet, and the plane of the sheet foaming liquid sprayed out by the spray hole forms an included angle a with the axis of the air suction connector.

Preferably, the foaming body comprises a hollow main body, the inner cavity is arranged in the main body, one end of the main body is provided with a liquid inlet joint, and the other end of the main body is provided with a foaming joint; the inlet end of the liquid inlet connector forms the liquid inlet, the outlet end of the liquid inlet connector forms the injection hole, and the air inlet is arranged on the side wall of the main body; the foam outlet is arranged on the foam outlet joint.

Preferably, at least one foaming net is provided at the front end of the main body between the foaming connector and the main body, and the foaming liquid mixed with air generates foam when passing through the foaming net.

Preferably, the foam net comprises more than two foam nets, and a spacing ring is arranged between two adjacent foam nets.

In addition, a closestool is provided with a brush ring spray pipe, and the brush ring spray pipe is integrated with the self-priming foaming spray head.

The utility model has the beneficial effects that: compared with the prior art, the self-priming foaming spray head and the closestool have at least the following technical effects: 1. natural air suction is realized by arranging a high-speed laminar water spraying venturi effect through an injection hole on the self-priming foaming spray head, so that air supply of an air pump is canceled, and the aim of reducing cost is fulfilled; the flaky water formed by the flaky foaming liquid introduced into the inner cavity can increase the area of impinging air, so that larger negative pressure is generated to increase the air suction amount; the contact area with air can be increased, so that the foaming liquid and the air can be fully mixed, more foam is generated, and the foaming nozzle has a simple structure and reliable functions; the surface foam of the water seal of the closestool using the self-priming foaming nozzle is finer and more uniform. 2. The jet hole is arranged in a mode that the cross section of the jet hole is gradually increased along the jet direction, so that the jet hole can jet out scattered flaky water, the contact area of foaming liquid and air can be further increased, and the foaming liquid and the air are fully mixed. 3. The jet holes are arranged in a plurality of ways, so that the surface area of the water column can be further increased, the contact area between foaming liquid and air can be further increased, and the mixing is more uniform. 4. The foaming net is arranged, so that the sprayed foam is finer and more uniform. 5. The multi-layer foaming net is arranged, and the spacer rings are arranged between the foaming layers, so that foaming liquid can be changed into finer foam, and the foam can be uniformly covered on the surface of the water seal of the closestool.

Drawings

FIG. 1 is a schematic diagram of the components of a self-priming foam nozzle and brush ring nozzle.

FIG. 2 is a schematic illustration of the connection between a self-priming foam nozzle and a brush ring nozzle.

FIG. 3 is a schematic diagram of the connection between a self-priming foam nozzle and another view of the brush ring nozzle.

Fig. 4 is a cross-sectional view of a self-priming foam nozzle connected to a brush ring nozzle.

FIG. 5 is a cross-sectional view of a self-priming foam nozzle in connection with a brush ring nozzle at another view angle.

Fig. 6 is a multi-sided view of a self-priming foaming nozzle with square spray holes.

Fig. 7 is a multi-side view of the self-priming foaming nozzle with a kidney-shaped spray hole.

Fig. 8 is a multi-sided view of a self-priming foaming nozzle with a circular spray orifice.

Fig. 9 is a multi-side view of a self-priming foam nozzle with multiple spray holes.

Reference numerals illustrate: 1-main body, 11-inner cavity, 12-liquid inlet, 13-air inlet and 14-bubble outlet; 2-jet hole, 3-liquid inlet joint and 31-liquid inlet channel; 4-suction joint, 41-suction channel, 5-foaming joint, 6-foaming net, 7-spacer ring, 8-brush ring spray pipe, 81-brush ring channel and 82-foaming channel.

Detailed Description

The utility model will be further described with reference to the drawings and specific examples.

Referring to fig. 1 to 9, a self-priming foam nozzle includes a foam body, the foam body has an inner cavity 11, a liquid inlet 12, an air inlet 13 and a foam outlet 14, which are connected with the inner cavity 11, the foam body is further provided with an injection hole 2 connected with the liquid inlet 12, the injection hole 2 injects sheet-shaped foam liquid into the inner cavity 11 of the foam body, when the injection hole 2 injects the foam liquid, the inner cavity 11 of the foam body forms negative pressure, and then external air is sucked through the air inlet 13, and foam generated by mixing air and the foam liquid in the inner cavity 11 of the foam body is discharged from the foam outlet 14. Natural air suction is realized by arranging an injection hole 2 on the self-priming foaming spray head to spray high-speed flaky water to realize venturi effect, so that air supply of an air pump is canceled, and the aim of reducing cost is fulfilled; the flaky water formed by the flaky foaming liquid introduced into the inner cavity 11 can increase the area of impinging air, so that a larger negative pressure is generated to increase the air suction amount; the contact area with air can be increased, so that the foaming liquid and the air can be fully mixed, more foam is generated, and the self-priming foaming nozzle has a simple structure and reliable functions.

Referring to fig. 1 to 9, the flow cross section of the injection hole 2 is preferably gradually increased along the injection direction, as shown in A, B of fig. 6. The jet hole 2 is arranged in a mode that the cross section of the jet hole is gradually increased along the jet direction, so that the jet hole 2 can jet out scattered sheet-shaped water, the contact area of foaming liquid and air can be further increased, and the foaming liquid and the air are fully mixed.

Referring to fig. 6 to 8, the outlet end of the injection hole 2 preferably has a square shape (as shown in fig. 6), a waist shape (as shown in fig. 7), an oval shape or a circular shape (as shown in fig. 8). However, the present invention is not limited to this, and may be of other shapes as long as it is possible to achieve the ejection of the sheet-like water from the ejection hole 2 while the cross section gradually increases in the ejection direction.

Referring to fig. 9, preferably, two or more than two injection holes 2 are provided, and each injection hole 2 is disposed on the same plane in the foaming body, so that the foaming liquid sprayed from different injection holes 2 can be located on the same plane, and the contact area between air and the foaming liquid is further increased.

Referring to fig. 6 to 9, the injection hole 2 is preferably in a horn shape that is integrally enlarged in the injection direction, so that the foaming liquid injected from the injection hole 2 can inject the divergent sheet-shaped water. The contact area of the foaming liquid and the air is increased, so that the foaming liquid and the air are mixed more uniformly.

Referring to fig. 1 to 9, preferably, the side wall of the foam body is provided with an air suction connector 4, the outlet end of the air suction connector 4 forms the air inlet 13, the plane of the sheet-shaped foam liquid sprayed from the spraying hole 2 forms an included angle a (as shown in fig. 4) with the axis of the air suction connector 4, and preferably, the plane of the sheet-shaped water is perpendicular to the plane formed by the liquid inlet connector 3 and the axis of the air suction connector 4, so that the sheet-shaped water formed by the foam liquid is opposite to the air inlet 13, and thus, the contact area of the sheet-shaped water with air can be larger. The suction connector 4 is provided with a suction passage 41, and an air inlet 13 is formed near one end of the inner cavity 11.

Referring to fig. 1 to 9, preferably, the foaming body includes a hollow main body 1, the inner cavity 11 is disposed in the main body 1, one end of the main body 1 is provided with a liquid inlet joint 3, and the other end of the main body 1 is provided with a foam outlet joint 5; the inlet end of the liquid inlet connector 3 forms the liquid inlet 12, the outlet end of the liquid inlet connector 3 forms the injection hole 2, and the air inlet 13 is arranged on the side wall of the main body 1; the foam outlet 14 is arranged on the foam outlet joint 5. The liquid inlet joint 3 is internally provided with a liquid inlet channel 31, one end of the liquid inlet channel 31, which is close to the inner cavity 11, is communicated with the injection hole 2, and the other end is provided with a liquid inlet 12.

Referring to fig. 1, 4 to 5, preferably, at least one foaming net 6 is disposed at the front end of the main body 1 and between the foaming connector 5 and the main body 1, and the foaming liquid mixed with air generates foam when passing through the foaming net 6.

Referring to fig. 1, 4 to 5, it is preferable to include more than two foam webs 6, and a spacer ring 7 is disposed between two adjacent foam webs 6. The two foaming nets 6 are separated by the spacing ring 7, so that foaming liquid can sequentially foam for a plurality of times through the foaming nets 6, and the foam outlet 14 covering the foaming nets 6 can spray finer foam.

Referring to fig. 4 to 9, preferably, the axis of the injection hole 2 is parallel to, preferably the same as, the axis of the liquid inlet joint 3, the axis of the foaming net 6, the axis of the spacer ring 7 and the axis of the inner cavity 11. The injection hole 2 is coaxial with the liquid inlet channel 31 and the inner cavity 11 in the liquid inlet joint 3, so that the kinetic energy loss of water flow is reduced, and the air suction effect is better.

Referring to fig. 1 to 5, a toilet bowl is provided with a brush ring nozzle 8, and the brush ring nozzle 8 is integrated with a self-priming foaming nozzle as described in any one of the above. The self-priming foaming nozzle has the advantages that the self-priming foaming nozzle enables the water seal of the closestool to uniformly cover fine foam. The spray head group of the closestool is provided with a brush ring channel 81 for flushing the clean surface of the closestool and a bubble outlet channel 82 for discharging bubbles to the water seal, the two channels are not communicated with each other, and the brush ring channel 81 is also provided with a ball head capable of adjusting the water outlet angle. The foam outlet channel 82 communicates with the foam outlet 14 (i.e., the foam nipple 5) of the self-priming foam nozzle.

The utility model has the following working principle:

The foaming body is fixedly provided with a foaming joint 5, a foaming net 6, a spacing ring 7 and a main body 1 in a sealing way, the foaming mouth 14 end of the foaming joint 5 is connected with a foaming channel 82, the foaming net 6 can be one or more pieces, the spacing ring 7 is used for separating the foaming net 6, and one or more spacing rings 7 can be arranged. The main body 1 is provided with a liquid inlet channel 31, an air suction channel 41, an injection hole 2 and an inner cavity 11, wherein the liquid inlet channel 31 is communicated with a foam shield mixing cavity (not shown in the figure), the air suction channel 41 can be directly empty and also can be connected to other places through a hose, the injection hole 2 is used for throttling and accelerating mixed liquid, high-speed sprayed foaming liquid enables venturi effect to be generated in the inner cavity 11, air is sucked from the outside through the air suction channel 41, air and the mixed liquid mixed with foaming agent are mixed in the inner cavity 11, a large amount of foam is generated after passing through the foaming net 6 together, and is discharged from the foam outlet 14, and the foam is discharged into a foam outlet channel 82 of the brush ring spray pipe 8. The foaming liquid is sprayed out through the spray hole 2 to form sheet-shaped water, the sheet-shaped water can increase the area of the water column impacting air while not only ensuring the kinetic energy of the water column, thereby generating larger negative pressure, leading the air suction effect to be better, being capable of sucking more air for generating foam, additionally increasing the contact area between the foaming liquid and the air, leading the foaming liquid to be more fully mixed with the air, further obtaining more foam quantity and having better splash-proof effect.

The points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed.

Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures may refer to the general design, so that the same embodiment and different embodiments of the present disclosure may be combined with each other without conflict.

Finally, the above description is only a preferred embodiment of the present utility model, and the scope of the present utility model is not limited to the above examples, but all technical solutions belonging to the concept of the present utility model are within the scope of the present utility model.

It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. The utility model provides a from inhaling foaming shower nozzle which characterized in that: including the foaming body, the foaming body have the inner chamber, and with inlet, air inlet and the bubble mouth that the inner chamber is linked together, the foaming body still be equipped with the jet orifice that the inlet is linked together, the jet orifice to the inner chamber blowout laminar foaming liquid of foaming body, make when the jet orifice sprays the foaming liquid the inner chamber of foaming body forms the negative pressure, and then passes through the air inlet is inhaled outside air, and air and foaming liquid are in the foam that the mixing produced is followed in the inner chamber of foaming body the exit.

2. The self-priming foaming nozzle of claim 1, wherein: the flow cross section of the injection hole is gradually increased along the injection direction.

3. The self-priming foaming nozzle of claim 1, wherein: the cross section of the outlet end of the jet hole is square, waist-shaped, elliptic or round.

4. The self-priming foaming nozzle of claim 1, wherein: the number of the injection holes is two or more than two, and each injection hole is arranged on the same plane in the foaming body.

5. The self-priming foaming nozzle of claim 2, wherein: the injection hole is in a horn shape expanding in an injection direction.

6. The self-priming foaming nozzle of claim 1, wherein: the side wall of the foaming body is provided with an air suction connector, an air inlet is formed at the outlet end of the air suction connector, and an included angle a is formed between the plane where the sheet foaming liquid sprayed out of the spray hole is located and the axis of the air suction connector.

7. The self-priming foaming nozzle of claim 1, wherein: the foaming body comprises a hollow main body, the inner cavity is arranged in the main body, one end of the main body is provided with a liquid inlet joint, and the other end of the main body is provided with a foaming joint; the inlet end of the liquid inlet connector forms the liquid inlet, the outlet end of the liquid inlet connector forms the injection hole, and the air inlet is arranged on the side wall of the main body; the foam outlet is arranged on the foam outlet joint.

8. The self-priming foaming nozzle of claim 7, wherein: the foaming device comprises at least one foaming net, wherein the foaming net is arranged at the front end of a main body and is positioned between a foaming joint and the main body, and foam is generated when foaming liquid mixed with air passes through the foaming net.

9. The self-priming foaming nozzle of claim 8, wherein: the foam net comprises more than two foam nets, and a spacing ring is arranged between two adjacent foam nets.

10. A toilet bowl provided with a brush ring nozzle, characterized in that: the brush ring spray pipe is integrated with the self-priming foaming spray head as claimed in any one of claims 1 to 9.