CN217734245U - Foaming device of closestool and fluid mixing pipe fitting thereof - Google Patents

Abstract

The utility model discloses a foaming device of closestool and fluid mixing pipe fitting thereof. The fluid mixing pipe fitting comprises a body, wherein the body is provided with a first inlet, a second inlet and an outlet, the first inlet and the outlet are respectively arranged at two ends of the body, and the second inlet is arranged on the side wall of the body. The body is internally provided with an inner sleeve, a gap is formed between the outer wall of the inner sleeve and the inner wall of the body, two ends of the inner sleeve are communicated, the inlet end of the inner sleeve is communicated with the first inlet in a sealing manner, the outlet end of the inner sleeve is communicated with the outlet, and the second inlet is communicated with the gap. The utility model discloses a fluid mixing pipe fitting simple structure can effectively overcome the lower fluid of pressure and get into the problem that the body is smooth and easy not.

Description

Foaming device of closestool and fluid mixing pipe fitting thereof

Technical Field

The utility model relates to a foaming device of closestool and fluid mixing pipe fitting thereof.

Background

Tee joints, four-way joints, etc. are very common fluid mixing pipe fittings in fluid pipelines, such as tee joints, which comprise three ports, namely two inlets and one outlet (namely, tee joints with two inlets and one outlet), and also two outlets and one inlet (namely, tee joints with one inlet and two outlets); the four-way valve includes four ports, which may be two inlets and two outlets (i.e., a two-in two-out four-way valve), three inlets and one outlet (i.e., a three-in one-out four-way valve), or one inlet and three outlets (i.e., a one-in three-out four-way valve). For a three-way with two inlets and one outlet or a four-way with two inlets and two outlets or a four-way with three inlets and one outlet, and the like, the fluids at the two or three inlets are converged in the inner cavity of the three-way and then flow out from the outlets.

SUMMERY OF THE UTILITY MODEL

However, for the fluid mixing pipe with more than two inlets, there is a problem that the fluid with lower pressure cannot smoothly flow into the inner cavity of the fluid mixing pipe because the fluid pressure of each inlet is different, and especially when the fluid pressure of each inlet is different greatly, the problem is more obvious. In view of the above, there is a need for an improved fluid mixing tube with two or more inlets to overcome the problem of the fluid entering the body at a lower pressure.

One of the purposes of the utility model is to provide a fluid mixing pipe fitting, its simple structure can effectively overcome each import fluid pressure difference and lead to the fluid of lower pressure to get into the unsmooth problem of body.

Another object of the present invention is to provide a foaming device for a toilet with a fluid mixing pipe.

In order to achieve the above object, one of the technical solutions of the present invention is to provide a fluid mixing pipe, which comprises a body, the body has first import, second import and export, first import with the export is located respectively the both ends of body, the second import is located on the lateral wall of body, this internal interior sleeve pipe that is equipped with, interior sheathed tube outer wall with the clearance has between the inner wall of body, interior sheathed tube both ends link up, interior sheathed tube entrance point with first import is sealed the intercommunication mutually, interior sheathed tube exit end with the export is linked together, the second import with the clearance is linked together.

In a preferred embodiment, the flow cross-sectional area of the first inlet is S1, the flow cross-sectional area of the second inlet is S2, the flow cross-sectional area of the inner sleeve is S3, and S3 is not less than S2 and is less than S1.

In a preferred embodiment, the gap forms an annular flow passage, the second inlet is an inlet end of the flow passage, and an outlet end of the flow passage is communicated with one end of the inner sleeve close to the outlet in the body.

In a preferred embodiment, the inner sleeve directs the flow of the second inlet in a direction such that the flow of the second inlet merges with the flow of the first inlet in a co-directional manner.

In a preferred embodiment, the inner sleeve is arranged coaxially with the first inlet and outlet.

In a preferred embodiment, the first inlet and the outlet are oppositely disposed, and the fluid of the second inlet enters the body in a direction perpendicular to the direction of the fluid of the first inlet.

In a preferred embodiment, one of the first inlet and the outlet is provided with an external thread, the other of the first inlet and the outlet is provided with a nut with an internal thread, the nut is in limit fit with the body through a clamping ring, and one end of the body, which is provided with the nut, is also provided with a sealing gasket to be in sealing connection with an external pipeline.

In a preferred embodiment, the fluid pressure of the first inlet is greater than the fluid pressure of the second inlet.

The second technical scheme of the utility model, a foaming device of closestool is provided, it is right with being used for including the bubbler provides the liquid supply pipeline of foaming liquid, the liquid supply pipeline on be equipped with above-mentioned arbitrary one the fluid mixing pipe fitting, the first import and the water source of fluid mixing pipe fitting are linked together, the second import communicates with foaming agent supply pipeline.

Compared with the prior art, the utility model has the advantages that:

1. the utility model discloses interior sleeve pipe is established to this internal, the clearance has between the inner wall of interior sheathed tube outer wall and body, interior sheathed tube both ends link up, interior sheathed tube entrance point and first import are sealed the intercommunication mutually, interior sheathed tube exit end is linked together with the export, the second import is linked together with the clearance, because interior sleeve pipe has reduced this internal first import through-flow sectional area that supplies, therefore, the velocity of flow increases when the fluid of first import is through interior sleeve pipe, thereby form the negative pressure in clearance department, under the suction effect of negative pressure, the fluid of second import can get into this internal smoothly, and, the fluid pressure of first import is big more, the negative pressure is also big more to the fluid's of second import suction, it is this internal that the fluid of second import gets into more easily, with each import pressure differential big more among the prior art the entering of the lower fluid of pressure is opposite just, thereby can effectively overcome each import fluid pressure difference and lead to the lower fluid of pressure to get into the body problem that is not smooth and easy, moreover, the steam generator is simple structure, the effect is showing.

2. The inner sleeve guides the fluid direction of the second inlet, so that the fluid of the second inlet and the fluid of the first inlet are converged in the same direction, the fluid in the body is more stable in shape, and the structure is simple.

Drawings

In order that the advantages of the invention will be readily understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Understanding that these drawings depict only typical embodiments of the invention and are not therefore to be considered to be limiting of its scope, the invention will be described and explained with additional specificity and detail through the use of the accompanying drawings. In the drawings:

fig. 1 is a perspective assembly view of a fluid mixing pipe according to an embodiment of the present invention;

fig. 2 is an exploded perspective view of a fluid mixing tube according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a fluid mixing tube according to an embodiment of the present invention;

fig. 4 is a schematic view of the fluid flow of the fluid mixing tube according to an embodiment of the present invention;

the symbols are as follows:

10-a body; 11-a first inlet; 12-a second inlet; 13-an outlet; 14-external threads; 15-clearance; 16-a ring-shaped card slot; 17-a seal mounting groove;

20-inner sleeve;

30-a nut;

40-a snap ring;

50-sealing gasket.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention to be solved clearer and more obvious, the present invention is further explained in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the following discussion, details are given to provide a more thorough understanding of the present invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details. In certain instances, some features that are known in the art have not been described in detail in order to avoid obscuring the present invention. It is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like are used herein for purposes of illustration only and are not to be construed as limiting.

Ordinal words such as "first" and "second" are referred to in this application as labels only, and do not have any other meanings, such as a particular order, etc. Also, for example, the term "first component" does not itself imply the presence of "second component", and the term "second component" does not itself imply the presence of "first component".

Referring to fig. 1 to 4, a fluid mixing pipe according to an embodiment of the present invention includes a body 10, the body 10 has a first inlet 11, a second inlet 12 and an outlet 13, the first inlet 11 and the outlet 13 are respectively disposed at two ends of the body 10, and the second inlet 12 is disposed on a side wall of the body 10. An inner sleeve 20 is further arranged in the body 10, a gap 15 is formed between the outer wall of the inner sleeve 20 and the inner wall of the body 10, two ends of the inner sleeve 20 are communicated, the inlet end of the inner sleeve 20 is communicated with the first inlet 11 in a sealing mode, the outlet end of the inner sleeve 20 is communicated with the outlet 13, and the second inlet 12 is communicated with the gap 15. Fluid from the first inlet 11 enters the body 10 and a negative pressure is created at the gap 15, so that the negative pressure at the gap 15 can create a suction force on the fluid from the second inlet 12.

The cross-sectional flow area of the first inlet 11 is S1, the cross-sectional flow area of the second inlet 12 is S2, the cross-sectional flow area of the inner sleeve 20 is S3, and preferably, S2 is not less than S3 and is less than S1, so that sufficient negative pressure suction can be effectively formed at the gap 15.

Preferably, the fluid pressure of the first inlet 11 is greater than the fluid pressure of the second inlet 12, and the greater the fluid pressure of the first inlet 11, the greater the suction force generated against the second inlet 12.

In order to facilitate the connection of the fluid mixing pipe with the external pipeline, one of the first inlet 11 and the outlet 13 is provided with an external thread 14, the other one of the first inlet and the outlet is provided with a nut 30 with an internal thread, the nut 30 is in limit fit with the body 10 through a snap ring 40, and the end of the body 10 provided with the nut 30 is further provided with a sealing gasket 50 to be in sealing connection with the external pipeline. Specifically, in the present embodiment, the external thread 14 is provided at the first inlet 11, and the nut 30 is provided at the outlet 13. Be equipped with the ring groove 16 that is used for installing snap ring 40 on the periphery wall of export 13 department, snap ring 40 is the C shape, and nut 30 cover is behind body 10, goes into ring groove 16 with snap ring 40 card to prevent that nut 30 from deviating from body 10, nut 30's mounting structure is simple. Further, in the present embodiment, an annular seal member mounting groove 17 is further provided on the outer peripheral wall at the outlet 13, and the seal gasket 50 is mounted in the seal member mounting groove 17. Of course, other embodiments may alternatively be provided with: the external thread 14 is arranged at the outlet 13, the nut 30 is arranged at the first inlet 11, and the outer peripheral wall of the first inlet 11 is provided with an annular clamping groove 16 for mounting the clamping ring 40.

In this embodiment, the first inlet 11 and the outlet 13 are oppositely arranged, and the fluid of the second inlet 12 enters the body 10 in a direction perpendicular to the fluid direction of the first inlet 11.

In this embodiment, the inner sleeve 20 guides the fluid direction of the second inlet 12, so that the fluid of the second inlet 12 and the fluid of the first inlet 11 are merged in the same direction, and the fluid form in the body 10 can be more stable.

Preferably, the inner sleeve 22 is arranged coaxially with the first inlet 11 and the outlet 13.

The fluid flow diagram of the fluid mixing tube of this embodiment in use is shown in fig. 4.

In addition, the utility model also provides a foaming device (not shown) of closestool, including the foam generator (not shown) and be used for providing the liquid supply pipeline of foaming liquid to the foam generator. The liquid supply pipeline is provided with any one of the fluid mixing pipe fittings, a first inlet 11 of the fluid mixing pipe fitting is communicated with a water source, a second inlet 12 of the fluid mixing pipe fitting is communicated with a foaming agent supply pipeline, water flowing into the body 10 from the first inlet 11 and a foaming agent flowing into the body 10 from the second inlet 12 are mixed to form foaming liquid, and the foaming liquid flows to a downstream foaming device for foaming. The foaming device may be constructed in a known structure, and it will be understood by those skilled in the art that the foaming is accomplished by supplying a foaming liquid and air to the foaming device, and the generated foam is discharged to the bowl of the toilet through the outlet 13.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "component" and the like, appearing herein, may refer to either a single part or a combination of parts. Terms such as "mounted," "disposed," and the like, as used herein, may refer to one component as being directly attached to another component or one component as being attached to another component through intervening components. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.

While the foregoing specification illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the invention as expressed in the above teachings or as determined by the person of ordinary skill in the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. The utility model provides a fluid mixing pipe fitting, includes the body, the body has first import, second import and export, first import with the export is located respectively the both ends of body, the second import is located on the lateral wall of body, its characterized in that, this internal interior sleeve pipe that is equipped with, interior sheathed tube outer wall with have the clearance between the inner wall of body, interior sheathed tube both ends are link up, interior sheathed tube entrance point with first import is sealed mutually and is communicated, interior sheathed tube exit end with the export is linked together, the second import with the clearance is linked together.

2. The fluid mixing pipe fitting according to claim 1, wherein the cross-sectional flow area of the first inlet is S1, the cross-sectional flow area of the second inlet is S2, the cross-sectional flow area of the inner sleeve is S3, and S3 is equal to or less than S2 and is less than S1.

3. The fluid mixing tube of claim 1, wherein the gap forms an annular flow passage, the second inlet is an inlet end of the flow passage, and an outlet end of the flow passage communicates with an end of the inner sleeve proximate the outlet within the body.

4. The fluid mixing tube of claim 3, wherein the inner sleeve directs the direction of the flow of the second inlet such that the flow of the second inlet merges with the flow of the first inlet in a co-directional manner.

5. The fluid mixing tube of claim 3, wherein the inner sleeve is arranged coaxially with the first inlet and outlet.

6. The fluid mixing tube of claim 1, wherein the first inlet and the outlet are oppositely disposed, and wherein fluid from the second inlet enters the body in a direction perpendicular to the direction of fluid from the first inlet.

7. The fluid mixing tube of claim 1, wherein one of the first inlet and the outlet is externally threaded and the other of the first inlet and the outlet is internally threaded with a nut that is in a positive fit with the body via a snap ring, the end of the body that is provided with the nut further being provided with a gasket for sealing engagement with an external pipe.

8. The fluid mixing tube as claimed in any one of claims 1 to 7, wherein the fluid pressure of the first inlet is greater than the fluid pressure of the second inlet.

9. A foaming device for a toilet bowl, comprising a foaming device and a liquid supply line for supplying foaming liquid to the foaming device, wherein the liquid supply line is provided with a fluid mixing pipe member according to any one of claims 1 to 8, a first inlet of the fluid mixing pipe member is communicated with a water source, and a second inlet of the fluid mixing pipe member is communicated with a foaming agent supply line.

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