CN218990348U - Connecting elbow and toilet flushing device with same - Google Patents
Connecting elbow and toilet flushing device with same Download PDFInfo
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- CN218990348U CN218990348U CN202320041973.4U CN202320041973U CN218990348U CN 218990348 U CN218990348 U CN 218990348U CN 202320041973 U CN202320041973 U CN 202320041973U CN 218990348 U CN218990348 U CN 218990348U
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- straight section
- control point
- connecting elbow
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
Abstract
The utility model discloses a connecting elbow and a toilet flushing device with the same, wherein the connecting elbow comprises an inlet and an outlet, the axial direction of the inlet is arranged along the vertical direction, the opening direction of the inlet is upwards arranged to be communicated with an upstream pipeline, the axial direction of the outlet is arranged along the horizontal direction to be communicated with a downstream pipeline, the connecting elbow comprises a vertical water inlet straight section, an inclined straight section inclined relative to the water inlet straight section, a curved section and a horizontal water outlet straight section which are sequentially connected along the water flow direction, and the curved section is in transitional connection with the inclined straight section and the water outlet straight section. The energy loss of rivers can effectively be improved to the connection elbow of this scheme, promotes drainage speed, and then can make the flushing effect of the closestool bath device that utilizes this connection elbow better.
Description
Technical Field
The utility model relates to the technical field of bathrooms, in particular to a connecting elbow and a toilet flushing device with the same.
Background
The existing toilet water tanks can be flushed by utilizing the potential energy of water when draining, so that the installation height of the water tank, the size of the water tank, the inner diameter of a drainage pipeline, a connecting pipeline and the like can all influence the drainage speed of the water tank, and further influence the flushing effect on the toilet. Some prior art techniques therefore increase the rate of drainage by changing the size of these factors, such as raising the tank or increasing the volume of the tank. However, for the hidden water tank, since the hidden water tank is installed inside the wall body, the installation space thereof is greatly limited, and the factors influencing the drainage speed such as the volume of the water tank, the installation height of the water tank, the drainage pipe diameter and the like often cannot be designed to be large due to the limitation of the installation space. Therefore, there is a need for improved toilet flushing devices that provide improved water discharge rates, improved flushing results, and water conservation.
Disclosure of Invention
In order to solve the above problems, through a great deal of research and test, it is found that the potential energy of water flowing out of the water tank of the toilet flushing device is greatly lost at the connecting elbow, and the existing connecting elbow mostly adopts a traditional 90-degree elbow, as shown in fig. 1, the main reason for the partial energy loss is that the water flow impacts the bottom wall of the elbow downwards, so that the water flow splashes and is disturbed, a great amount of air mixing occurs, and the water flow is not fully filled in the pipe. Fig. 5 shows a fluid analysis diagram of a conventional 90-degree connecting elbow (which is analyzed by using a CFD (fluent) analysis module in ANSYS software (finite element analysis software)), and it is seen from fig. 5 that a water flow impact phenomenon occurs at the bottom of the connecting elbow, and a vortex phenomenon occurs at a corner position, so that water flow energy loss is caused, a flow velocity is greatly reduced, and shaking noise generated by water flow and air mixing impacting a pipeline is also caused, so that user experience is affected.
Therefore, the present utility model is directed to a connecting elbow, which can effectively improve the energy loss of water flow, and increase the drainage speed, so that the flushing effect of the toilet flushing device using the connecting elbow is better.
The technical scheme adopted by the utility model is as follows:
the utility model provides a connecting elbow, includes import and export, the axis direction of import sets up along vertical direction, the opening direction of import sets up in order to be linked together with the upstream pipeline, the axis direction of export sets up in order to be linked together with the downstream pipeline along the horizontal direction, connecting elbow is along the rivers direction including the vertical straight section of intaking that connects gradually, for straight section, curved surface section and the straight section of horizontally play water of straight section slope of intaking, curved surface section transitional coupling straight section and go out straight section to one side, the water inlet end of straight section of intaking forms the import, the water outlet end of straight section of play water forms the export.
Preferably, the inclination angle alpha of the inclined straight section and the axis of the water inlet straight section is more than or equal to 4 degrees.
Preferably, the straight section of intaking cup joints the cooperation with the play water end of upstream pipeline, the diameter D1 of straight section of declivity with the diameter D2 of the play water end of upstream pipeline is between: d1/d2=1.0 to 1.3.
Preferably, the outer contour line of the curved surface section is a spline curve determined by 3 control points, two ends of the spline curve are respectively a first control point and a second control point, the inclined straight section is tangent to the first control point, the water outlet straight section is tangent to the second control point, and the position of a third control point between the first control point and the second control point is as follows: is positioned at 1/2H in the height direction, wherein H refers to the height of a spline curve; and the position of L1/L2=15-35% in the horizontal direction, wherein L1 is the horizontal distance between the third control point and the first control point, and L2 is the horizontal distance between the third control point and the second control point.
Preferably, the inner contour line of the curved surface section is a smooth transition arc.
Preferably, the connecting elbow is integrally formed by adopting an injection molding process.
In addition, the utility model also provides a toilet flushing device which comprises a water tank, a drain pipe and a connecting elbow for connecting the water tank and the drain pipe, wherein the connecting elbow adopts any one of the connecting elbows.
Preferably, a drain valve is arranged in the water tank, a base of the drain valve penetrates out of the bottom wall of the water tank and stretches into the water inlet straight section, and the base of the drain valve is the upstream pipeline.
The beneficial effects of the utility model are as follows:
according to the utility model, the connecting elbow is designed to comprise the vertical water inlet straight section, the inclined straight section inclined relative to the water inlet straight section, the curved surface section and the water outlet straight section which are sequentially connected along the water flow direction, the curved surface section is in transitional connection with the inclined straight section and the water outlet straight section, the inclined straight section and the curved surface section can better guide water flow, the blocking of the inner wall of the connecting elbow to the water flow is effectively reduced, so that the energy loss of the water flow can be effectively improved, the drainage speed is improved, and the flushing effect of a toilet flushing device using the connecting elbow is better.
The inclined angle alpha of the axis of the inclined straight section and the axis of the water inlet straight section is more than or equal to 4 degrees, and the angle range ensures that the flow guiding effect of the inclined straight section is better.
The relationship between the diameter D1 of the inclined straight section and the diameter D2 of the water outlet end of the upstream pipeline is as follows: d1/d2=1.0 to 1.3, which enables a more unobstructed flow of water in the diagonal straight section.
The outer profile line of the curved surface section is a spline curve determined by 3 control points, the first control point is tangent to the inclined straight section, the second control point is tangent to the water outlet straight section, the position of the third control point is designed to be located at 1/2H in the height direction and located at L1/L2=15-35% in the horizontal direction, and the curved surface section constructed by adopting the outer profile line with the relation proportion can obviously improve the flow guiding effect and the water discharging speed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an assembled side view of a water tank and drain pipe connected using a conventional 90 degree connection elbow;
FIG. 2 is a side view of a connecting elbow according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a connecting elbow according to an embodiment of the present utility model;
FIG. 4 is an assembled cross-sectional view of a connection elbow of an embodiment of the present utility model in connection with a tank and a drain pipe;
FIG. 5 is a schematic illustration of CFD fluid analysis for a toilet flushing device employing a conventional 90 degree connection elbow;
fig. 6 is a schematic view of CFD fluid analysis of a toilet flush apparatus employing a connecting elbow of the present utility model.
Symbol description:
1, connecting an elbow; 10 water inlet straight sections; 11 inlet; 20 oblique straight sections; 30 curved surface sections; a, a first control point; b, a second control point; c, a third control point; 40, water outlet straight sections; 41 outlet;
2 a water tank; a 21 drain valve; 211 a base;
3, a drain pipe; an outer contour line of the 31 curved surface section; 32 inside contour lines of the curved surface sections.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
As shown in fig. 2 and 3, a connecting elbow 1 according to an embodiment of the present utility model includes an inlet 11 and an outlet 41, wherein an axial direction of the inlet 11 is arranged in a vertical direction, an opening direction of the inlet 11 is arranged upward to communicate with an upstream pipe, and an axial direction of the outlet 41 is arranged in a horizontal direction to communicate with a downstream pipe. The connecting elbow 1 comprises a vertical water inlet straight section 10, an inclined straight section 20 inclined relative to the water inlet straight section 10, a curved surface section 30 and a horizontal water outlet straight section 40 which are sequentially connected along the water flow direction, wherein the curved surface section 30 is in transitional connection with the inclined straight section 20 and the water outlet straight section 40, the water inlet end of the water inlet straight section 10 forms an inlet 11 of the connecting elbow 1, and the water outlet end of the water outlet straight section 40 forms an outlet 41 of the connecting elbow 1.
In this embodiment, preferably, as shown in fig. 3, the inclination angle α of the inclined straight section 20 and the axis of the water inlet straight section 10 is greater than or equal to 4 °, and the angle range makes the flow guiding effect of the inclined straight section 20 better.
In this embodiment, as shown in fig. 4, preferably, the water inlet straight section 10 is sleeved with the water outlet end of the upstream pipeline, and the relationship between the diameter D1 of the inclined straight section 20 and the diameter D2 of the water outlet end of the upstream pipeline is: d1/d2=1.0 to 1.3. This diametrical relationship allows for a smoother flow of water through the beveled straight segment 20.
In this embodiment, preferably, the outer contour line 31 of the curved surface segment 30 is a spline curve determined by 3 control points, two ends of the spline curve are respectively a first control point a and a second control point B, the straight-inclined segment 20 is tangent to the first control point a, the straight-out water segment 40 is tangent to the second control point B, and the position of a third control point C located between the first control point a and the second control point B is: is positioned at 1/2H in the height direction, wherein H refers to the height of a spline curve; and the position of L1/L2=15-35% in the horizontal direction, wherein L1 is the horizontal distance from the third control point C to the first control point A, and L2 is the horizontal distance from the third control point C to the second control point B. The curved surface section 30 can be constructed according to the water outlet end cross-sectional circle of the inclined straight section 20, the water inlet end cross-sectional circle of the water outlet straight section 40, and the spline curve. The curved surface section 30 constructed by the outer contour line 31 with the relation proportion can obviously improve the diversion effect and the drainage speed.
In this embodiment, the inner contour line 32 of the curved surface section 30 is preferably a smooth transition arc. The inner contour line 32 of the curved surface section 30 may be a spline curve defined by 3 control points in the same proportional relationship with the outer contour line 31, or the inner contour line 32 of the curved surface section 30 may be directly rounded.
In this embodiment, the connecting elbow 1 is preferably integrally formed by injection molding.
As shown in fig. 4, another embodiment of the present utility model further provides a toilet flushing device, which includes a water tank 2, a drain pipe 3, and a connection elbow 1 for connecting the water tank 2 and the drain pipe 3, wherein the connection elbow 1 adopts any one of the connection elbows 1.
Specifically, the water tank 2 is internally provided with a drain valve 21, a base 211 of the drain valve 21 penetrates through the bottom wall of the water tank and extends into the water inlet straight section 10, and the base 211 of the drain valve 21 is an upstream pipeline.
The CFD (fluent) analysis module in ANSYS software (finite element analysis software) is adopted to respectively conduct fluid analysis on a toilet flushing device adopting a traditional 90-degree connecting elbow and the connecting joint of the utility model, so that fig. 5 and 6 are obtained, and as apparent from fig. 5, the water flow impact phenomenon occurs at the bottom of the traditional 90-degree connecting elbow, water flow splashes and is disturbed, vortex phenomenon occurs at the corner position, so that water flow energy loss is larger, and the flow speed is obviously reduced; as is apparent from fig. 6, the improved connecting elbow has stable water flow track, no obvious abrupt change of water flow speed after the corner of the elbow, less water flow energy loss and improved water drainage speed.
According to the utility model, the connecting elbow is designed to comprise the vertical water inlet straight section, the inclined straight section inclined relative to the water inlet straight section, the curved surface section and the water outlet straight section which are sequentially connected along the water flow direction, the curved surface section is in transitional connection with the inclined straight section and the water outlet straight section, the inclined straight section and the curved surface section can better guide water flow, the blocking of the inner wall of the connecting elbow to the water flow is effectively reduced, so that the energy loss of the water flow can be effectively improved, the drainage speed is improved, and the flushing effect of a toilet flushing device using the connecting elbow is better.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a connecting elbow, includes import and export, the axis direction of import sets up along vertical direction, the opening direction of import sets up in order to be linked together with the upstream pipeline, the axis direction of export sets up in order to be linked together with the downstream pipeline along horizontal direction, its characterized in that, connecting elbow is along the rivers direction including the vertical straight section of intaking that connects gradually, for straight section, curved surface section and the straight section of horizontally play water of straight section slope intaking, curved surface section transitional coupling straight section and go out straight section to one side, the water inlet end of straight section of intaking forms the import, the water outlet end of straight section of play water forms the export.
2. The connecting elbow according to claim 1, wherein the inclination angle α of the inclined straight section with respect to the axis of the water inlet straight section is greater than or equal to 4 °.
3. The connecting elbow according to claim 1, wherein the straight inlet section is in socket fit with the outlet end of the upstream pipeline, and the relationship between the diameter D1 of the straight inclined section and the diameter D2 of the outlet end of the upstream pipeline is: d1/d2=1.0 to 1.3.
4. A connecting elbow according to claim 1, 2 or 3, wherein the outer contour line of the curved surface section is a spline curve determined by 3 control points, two ends of the spline curve are respectively a first control point and a second control point, the inclined straight section is tangential to the first control point, the water outlet straight section is tangential to the second control point, and the position of a third control point located between the first control point and the second control point is: is positioned at 1/2H in the height direction, wherein H refers to the height of a spline curve; and the position of L1/L2=15-35% in the horizontal direction, wherein L1 is the horizontal distance between the third control point and the first control point, and L2 is the horizontal distance between the third control point and the second control point.
5. The connecting elbow according to claim 1, wherein the inside contour of the curved surface section is a smooth transition arc.
6. The connecting elbow according to claim 1, wherein the connecting elbow is integrally formed using an injection molding process.
7. A toilet flushing device comprising a water tank, a water drain pipe and a connecting elbow for connecting the water tank and the water drain pipe, characterized in that the connecting elbow adopts the connecting elbow according to any one of claims 1 to 6.
8. The toilet flushing device of claim 7, wherein a drain valve is provided in the tank, a base of the drain valve extending out of a bottom wall of the tank and into the straight inlet section, the base of the drain valve being the upstream line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320041973.4U CN218990348U (en) | 2023-01-06 | 2023-01-06 | Connecting elbow and toilet flushing device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320041973.4U CN218990348U (en) | 2023-01-06 | 2023-01-06 | Connecting elbow and toilet flushing device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218990348U true CN218990348U (en) | 2023-05-09 |
Family
ID=86196804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320041973.4U Active CN218990348U (en) | 2023-01-06 | 2023-01-06 | Connecting elbow and toilet flushing device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218990348U (en) |
-
2023
- 2023-01-06 CN CN202320041973.4U patent/CN218990348U/en active Active
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