阅读说明：本技术 一种出水装置及其片状水出水嘴 (Water outlet device and sheet water outlet nozzle thereof ) 是由 范启华 黄习 谢芃 田莲莲 于 2020-06-04 设计创作，主要内容包括：本发明公开了一种出水装置及其片状水出水嘴,其中,片状水出水嘴包括具有入水口和出水口的出水腔,出水腔具有纵向高度H、横向宽度W及沿水流方向的长度L,出水腔沿水流方向形成有第一出水腔和第二出水腔,第一出水腔的出水端形成第二出水腔的入水端,第一出水腔的横向宽度W1和第二出水腔的横向宽度W2分别沿水流方向渐变大,并且第二出水腔在宽度方向上的两侧分别形成一沿水流方向延伸的扩腔,两个扩腔之间形成纵向截面为长条形的中间腔,扩腔的纵向高度H3高于中间腔的纵向高度H2。本发明结构简单,能在较长的距离范围内维持较好的片状水水花形态,并且水压较低时也能维持较好的水花形态,高水压和低水压下水花形态差异较小,体积可设计得较小。(The invention discloses a water outlet device and a sheet water outlet nozzle thereof, wherein the sheet water outlet nozzle comprises a water outlet cavity with a water inlet and a water outlet, the water outlet cavity is provided with a longitudinal height H, a transverse width W and a length L along the water flow direction, the water outlet cavity is provided with a first water outlet cavity and a second water outlet cavity along the water flow direction, the water outlet end of the first water outlet cavity forms the water inlet end of the second water outlet cavity, the transverse width W1 of the first water outlet cavity and the transverse width W2 of the second water outlet cavity are respectively increased along the water flow direction, two sides of the second water outlet cavity in the width direction respectively form an expanded cavity extending along the water flow direction, a middle cavity with a long strip-shaped longitudinal section is formed between the two expanded cavities, and the longitudinal height H3 of the expanded cavity is higher than the longitudinal height H2 of the middle cavity. The invention has simple structure, can maintain better flaky water bloom shape in a longer distance range, can maintain better water bloom shape when the water pressure is lower, has smaller difference between the water bloom shapes under high water pressure and low water pressure, and can design smaller volume.)

1. A sheet water nozzle, comprising a water outlet cavity communicated with a water outlet channel of a water outlet device, wherein the water outlet cavity is provided with a water inlet communicated with a water outlet end of the water outlet channel and a water outlet communicated with the water inlet, water in the water outlet channel flows outwards through the water outlet, and the water outlet cavity is provided with a longitudinal height H, a transverse width W and a length L along a water flow direction, the sheet water nozzle is characterized in that the water outlet cavity is provided with a first water outlet cavity and a second water outlet cavity along the water flow direction, the water outlet end of the first water outlet cavity forms a water inlet end of the second water outlet cavity, the transverse width W1 of the first water outlet cavity and the transverse width W2 of the second water outlet cavity respectively become larger along the water flow direction, two sides of the second water outlet cavity in the width direction respectively form an expanded cavity extending along the water flow direction, and an intermediate cavity with a long strip-shaped longitudinal section is formed between the two expanded cavities, the longitudinal height H3 of the expanded cavity is higher than the longitudinal height H2 of the middle cavity.

2. The water outlet nozzle as claimed in claim 1, wherein the transverse cross-section of the first water outlet chamber is trapezoidal, the longitudinal cross-section of the first water outlet chamber is rectangular, and the longitudinal height H1 of the first water outlet chamber is substantially the same along the water flow direction.

3. The sheet-form water outlet nozzle of claim 2, wherein the longitudinal height H1 of the first outlet chamber is substantially the same as the longitudinal height H2 of the intermediate chamber.

4. The sheet water nozzle according to claim 1, wherein the longitudinal cross section of the middle chamber is rectangular, and the longitudinal height H2 of the middle chamber has a value range of: h2 is more than or equal to 0.5mm and less than or equal to 1.0 mm.

5. The sheet water nozzle according to claim 4, wherein the longitudinal height H2 of the middle chamber is in the range of: h2 is not less than 0.7mm and not more than 0.8 mm.

6. The sheet-like water outlet nozzle according to claim 1, wherein the longitudinal cross section of the expanding cavity is circular or elliptical, an opening is formed on one side of the expanding cavity close to the middle cavity and is communicated with the middle cavity in a smooth transition mode, and the water inlet end of the expanding cavity is communicated with the water outlet end of the first water outlet cavity in a smooth transition mode in the water flow direction.

7. A water outlet nozzle according to claim 6, wherein the diameter of the circle of the longitudinal section of the chamber and the longitudinal height H2 of the intermediate chamber are in relation to each other:

H2+0.4mm≤φ≤H2+1mm。

8. the sheet-shaped water nozzle according to claim 6, wherein the distance S between the centers of the two expanded cavities at the water outlet in the width direction is greater than or equal to 8mm and less than or equal to 12 mm.

9. The sheet-like water outlet nozzle according to claim 1, wherein the angle a between the two sides of the first water outlet chamber is in the range of: alpha is more than or equal to 2 degrees and less than or equal to 20 degrees.

10. The water outlet nozzle of sheet water as claimed in claim 1, wherein the length L1 of the first water outlet chamber in the direction of water flow is greater than or equal to 2mm, and the length L2 of the second water outlet chamber in the direction of water flow is greater than or equal to 4 mm.

11. The sheet water nozzle according to claim 1, further comprising a buffer chamber communicating with the water inlet of the water outlet chamber, the water outlet chamber communicating with the water outlet channel via the buffer chamber, the buffer chamber having a lateral width larger than that of the water inlet of the water outlet chamber.

12. A water outlet device comprising a water outlet channel, characterized by further comprising the sheet-like water outlet nozzle of any one of claims 1 to 11, wherein the water outlet cavity is communicated with the water outlet channel.

13. The water outlet device of claim 12, wherein the water flow direction of the water outlet channel is turned by a turning angle and then flows into the water outlet cavity.

Technical Field

The invention relates to a water outlet nozzle, in particular to a water outlet nozzle capable of discharging flaky water and a water outlet device with the water outlet nozzle.

Background

The water outlet nozzle of the existing water outlet device such as a faucet or a shower head generally has a plurality of spray patterns, such as shower water, mist water or sheet water. Wherein, the flaky water refers to a flat water bloom, also called as 'waterfall water'. For example, the utility model patents CN203500653U and CN201934715U disclose a water outlet structure capable of discharging sheet water, which is generally a sheet water flower formed by a long and narrow water outlet.

However, the effect of the sheet water flowing out from the existing sheet water outlet nozzle still needs to be improved, and particularly, the existing sheet water outlet nozzle has the following defects: (1) the flaky water flowing out of the water outlet nozzle has good effect within a certain distance range, but after the distance is exceeded, the water on the two sides of the flaky water is usually contracted and drawn close to the middle under the action of the surface tension of the water, so that the water flows out and is contracted, and the spray is easy to crack; (2) the existing flaky water outlet nozzle can maintain a better water bloom form only under the conditions of high water pressure and large flow, and when the water pressure is lower and the flow is smaller, the better water bloom form is generally difficult to maintain, and sometimes flaky water cannot be formed; (3) the morphology of the flaky water has larger morphological difference under the conditions of high water pressure and low water pressure; (4) a longer straightening section is required, resulting in a larger volume of the nozzle.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a sheet-like water spout which has a simple structure, can maintain a good sheet-like water pattern shape over a long distance, can maintain a good sheet-like water pattern shape even under a low water pressure, has a small difference between the water pattern shapes at a high water pressure and a low water pressure, has a short rectifying section, and can be designed to have a small volume.

To achieve the above object, according to one aspect of the present invention, the present invention provides the following technical solutions:

a flaky water nozzle comprises a water outlet cavity communicated with a water outlet channel of a water outlet device, wherein the water outlet cavity is provided with a water inlet communicated with a water outlet end of the water outlet channel and a water outlet communicated with the water inlet, water flow of the water outlet channel flows outwards through the water outlet, the water outlet cavity is provided with a longitudinal height H, a transverse width W and a length L along a water flow direction, a first water outlet cavity and a second water outlet cavity are formed in the water outlet cavity along the water flow direction, the water outlet end of the first water outlet cavity forms a water inlet end of the second water outlet cavity, the transverse width W1 of the first water outlet cavity and the transverse width W2 of the second water outlet cavity respectively become larger along the water flow direction, a flared cavity extending along the water flow direction is formed on two sides of the second water outlet cavity in the width direction, and a middle cavity with a long-strip-shaped longitudinal section is formed between the two flared cavities, the longitudinal height H3 of the expanded cavity is higher than the longitudinal height H2 of the middle cavity.

Preferably, the transverse section of the first water outlet cavity is trapezoid, the longitudinal section of the first water outlet cavity is rectangle, and the longitudinal height H1 of the first water outlet cavity is approximately the same along the water flow direction.

Preferably, the longitudinal height H1 of the first water outlet chamber is approximately the same as the longitudinal height H2 of the middle chamber.

Preferably, the longitudinal cross section of the middle cavity is rectangular, and the value range of the longitudinal height H2 of the middle cavity is as follows: h2 is more than or equal to 0.5mm and less than or equal to 1.0 mm.

Preferably, the longitudinal height H2 of the middle cavity has a value range of: h2 is not less than 0.7mm and not more than 0.8 mm.

Preferably, the longitudinal section of the cavity is circular or elliptical, an opening is formed on one side of the cavity close to the middle cavity and is communicated with the middle cavity in a smooth transition mode, and the water inlet end of the cavity is communicated with the water outlet end of the first water outlet cavity in a smooth transition mode in the water flow direction.

Further preferably, the diameter of the circle of the longitudinal section of the flared chamber and the longitudinal height H2 of the intermediate chamber have the relationship:

H2+0.4mm≤φ≤H2+1mm。

preferably, the distance S between the centers of the two expanding cavities at the water outlet in the width direction is more than or equal to 8mm and less than or equal to 12 mm.

Preferably, the angle range of the included angle a between the two side edges of the first water outlet cavity is as follows: alpha is more than or equal to 2 degrees and less than or equal to 20 degrees.

Preferably, the length L1 of the first water outlet cavity along the water flow direction is more than or equal to 2mm, and the length L2 of the second water outlet cavity along the water flow direction is more than or equal to 4 mm.

Preferably, the water outlet device is further provided with a buffer cavity communicated with the water inlet of the water outlet cavity, the water outlet cavity is communicated with the water outlet channel through the buffer cavity, and the transverse width of the buffer cavity is greater than that of the water inlet of the water outlet cavity.

According to another aspect of the present invention, the present invention further provides a water outlet device, which includes a water outlet channel and the sheet-like water outlet nozzle described in any one of the above, wherein the water outlet cavity is communicated with the water outlet channel.

Preferably, the water flow direction of the water outlet channel is turned by the turning angle and then flows into the water outlet cavity.

Compared with the prior art, the invention has the advantages that:

1. according to the sheet water nozzle, the water outlet cavity is provided with the first water outlet cavity and the second water outlet cavity, the transverse width W1 of the first water outlet cavity and the transverse width W2 of the second water outlet cavity are gradually increased along the water flow direction respectively, the two sides of the second water outlet cavity in the width direction form the expanding cavities extending along the water flow direction respectively, the middle cavity with the longitudinal section being long-strip-shaped is formed between the two expanding cavities, and the longitudinal height H3 of the expanding cavity is higher than the longitudinal height H2 of the middle cavity. And under the lower condition of water pressure, also can maintain better slice water splash form, the difference of water splash form is less under high water pressure and the low water pressure to need not to set up special rectification structure, the rectification section is shorter, the volume of faucet can be designed less, is particularly useful for on the limited play water installation in space such as handheld gondola water faucet or top shower or tap or spray gun.

2. The longitudinal section of the expanding cavity is circular or elliptical, and the expanding cavity is communicated with the middle cavity and the first water outlet cavity in a smooth transition mode, so that water flow is more stable, and the water outlet effect is better.

3. When the relation between the diameter phi of the circle of the longitudinal section of the expanding cavity and the longitudinal height H2 of the middle cavity is H2+0.4 mm-H2 +1mm, good flaky water bloom can be formed no matter the high-pressure water flow or the low-pressure water flow, and the flaky water bloom can be kept for a long distance.

4. The water flow direction of the water outlet channel of the water outlet device is turned by the turning angle and then flows into the water outlet cavity, so that the water flow is rectified, the water flow of the water outlet channel is prevented from directly rushing into the water outlet cavity of the water outlet nozzle, and the stability of the water outlet spray is better.

5. The water flow flowing into the water outlet cavity is further rectified by arranging the buffer cavity, so that the water flow is more stable, and the effect of water flow is further maintained.

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 view of a sheet-like water nozzle in accordance with a preferred embodiment of the present invention;

FIG. 2 is a perspective cross-sectional view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a view in the direction of arrow B in FIG. 4;

FIG. 6 is a cross-sectional view of C-C of FIG. 5;

FIG. 7 is a schematic diagram of the sheet-like water flow when the a value of the sheet-like water outlet nozzle is 2 ° in accordance with a preferred embodiment of the present invention;

FIG. 8 is a schematic diagram of the sheet-like water flow at a 10 ° value of the sheet-like water outlet nozzle a according to a preferred embodiment of the present invention;

FIG. 9 is a schematic diagram of the sheet-like water flow at a value of 20 ° for a sheet-like water outlet nozzle a according to a preferred embodiment of the present invention;

FIG. 10 is a perspective view of a water outlet device with a sheet-like water nozzle in accordance with a preferred embodiment of the present invention;

FIG. 11 is an exploded perspective view of FIG. 10;

FIG. 12 is a cross-sectional view of FIG. 10;

FIG. 13 is a front view of a showerhead having a sheet-like water outlet nozzle in accordance with a preferred embodiment of the present invention;

FIG. 14 is a cross-sectional view D-D of FIG. 13;

FIG. 15 is a perspective view of FIG. 13;

fig. 16 is a perspective view of a water outlet panel of the shower head according to a preferred embodiment of the present invention.

The reference numbers in the figures are respectively:

1-water outlet nozzle; 2-a water outlet device;

10-water outlet cavity; 11-water inlet; 12-a water outlet; 13-a first outlet chamber; 14-a second water outlet cavity; 141-expanding the cavity; 142-an intermediate chamber;

20-a buffer chamber;

w1-transverse width of the first outlet chamber; w2-the transverse width of the second outlet chamber;

h1-the longitudinal height of the first outlet chamber; h2-longitudinal height of the medial chamber; h3-longitudinal height of the expanded cavity;

l1 — length of first outlet chamber in water flow direction; l2-length of the second outlet chamber in the direction of water flow;

s-the distance of the centers of the two expanding cavities at the water outlet in the width direction;

alpha-the included angle of two side edges of the first water outlet cavity;

phi-diameter of the circle of the longitudinal section of the expanding cavity;

100-a water outlet channel; 200-a linker; 300-a water outlet panel; 400-corner.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention 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, well known features have not been described in detail in order to avoid obscuring the 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 herein merely as labels, and do not have any other meaning, 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 9, a sheet-shaped water nozzle 1 according to a preferred embodiment of the present invention is configured to be disposed on a water outlet device to control water flow out of a sheet-shaped water, the sheet-shaped water nozzle includes a water outlet cavity 10 communicated with a water outlet channel of the water outlet device, the water outlet cavity 10 has a water inlet 11 communicated with a water outlet end of the water outlet channel and a water outlet 12 communicated with the water inlet 11, and water in the water outlet channel flows out through the water outlet 12.

The outlet chamber 10 has a longitudinal height H, a transverse width W and a length L in the direction of the water flow.

Referring to fig. 6, the main improvements of the present invention are: the water outlet cavity 10 is formed with a first water outlet cavity 13 and a second water outlet cavity 14 along the water flow direction, and the water outlet end of the first water outlet cavity 13 forms the water inlet end of the second water outlet cavity 14. The transverse width W1 of the first water outlet cavity 13 and the transverse width W2 of the second water outlet cavity 14 become larger along the water flow direction respectively. The two sides of the second water outlet cavity 14 in the width direction respectively form an expanded cavity 141 extending along the water flow direction, and a middle cavity 142 with a long longitudinal section is formed between the two expanded cavities 141, as shown in fig. 1, the longitudinal height H3 of the expanded cavity 141 is higher than the longitudinal height H2 of the middle cavity 142.

In the water outlet cavity 10 of the sheet-shaped water nozzle, under the action of the expanded cavities 141 on the two sides, the water flows on the two sides are more, and the water flows on the two sides can be prevented from shrinking inwards under the action of the surface tension of water to a certain extent, so that the sheet-shaped water flowers can maintain good water flower shapes within a longer distance range. And under the lower condition of water pressure, also can be better maintain slice water splash form, the difference of water splash form is less under high water pressure and the low water pressure to need not to set up special rectification structure, the rectification section is shorter, the volume of faucet can be designed for lessly, is particularly useful for on the limited play water installation in space such as handheld gondola water faucet or top shower.

Referring to fig. 2, 4 and 6, in the present embodiment, the transverse cross section of the first water outlet chamber 13 is trapezoidal, the longitudinal cross section is rectangular, the longitudinal height H1 of the first water outlet chamber 13 is substantially the same along the water flow direction (here, "substantially the same" means the same or substantially the same), and the longitudinal height H1 of the first water outlet chamber 13 is substantially the same as the longitudinal height H2 of the middle chamber 142 (again, "substantially the same" means the same or substantially the same).

Preferably, as shown in fig. 1 and 6, the longitudinal cross section of the middle cavity 142 is rectangular, and the longitudinal height H2 of the middle cavity 142 has a value in the range of: h2 is more than or equal to 0.5mm and less than or equal to 1.0 mm. Further preferably, the longitudinal height H2 of the middle cavity 142 has a value range of: h2 is not less than 0.7mm and not more than 0.8 mm.

In order to make the water outlet flow more stable and the water outlet effect better, in this embodiment, the longitudinal cross section of the expanding cavity 141 is circular, an opening is formed at one side of the expanding cavity 141 close to the middle cavity 142 and is in smooth transition communication with the middle cavity 142, and the water inlet end of the expanding cavity 141 is in smooth transition communication with the water outlet end of the first water outlet cavity 13 in the water flow direction. It is understood that the longitudinal section of the expanded cavity 141 may also be an ellipse or other irregular circular arc, etc.

Preferably, the diameter φ of the circle of the longitudinal section of the flared chamber 141 is related to the longitudinal height H2 of the intermediate chamber 142 by:

H2+0.4mm≤φ≤H2+1mm。

a large number of experiments prove that the flaky water obtained by adopting the relational expression is better in shape, the low water pressure or the high water pressure can maintain better water flower shape, and the difference of the water flower shape under the conditions of the low water pressure and the high water pressure is smaller.

Preferably, the distance S between the centers of the two expanding cavities 141 at the water outlet 12 in the width direction is greater than or equal to 8mm and less than or equal to 12 mm. The angle range of the included angle a between the two side edges of the first water outlet cavity 13 is as follows: alpha is more than or equal to 2 degrees and less than or equal to 20 degrees. By changing the angle of the included angle a, the width of the flaked spray can be adjusted, as shown in fig. 7 to 9, a =2 ° in fig. 7; in fig. 8, a =10 °; in fig. 9, a =20 °, it is apparent from the three figures that the width of the outward expansion of the sheet-like splash (i.e. the angle between the two sides of the sheet-like splash) is proportional to the angle a.

In this embodiment, preferably, the length L1 of the first water outlet cavity 13 along the water flow direction is greater than or equal to 2mm, and the length L2 of the second water outlet cavity 14 along the water flow direction is greater than or equal to 4 mm.

In this embodiment, a buffer cavity 20 is further provided, which is communicated with the water inlet 11 of the water outlet cavity 10, the water outlet cavity 10 is communicated with the water outlet channel via the buffer cavity 20, and the transverse width of the buffer cavity 20 is greater than the transverse width of the water inlet 11 of the water outlet cavity 10. The flow of water flowing into the water outlet cavity 10 is further rectified by the buffer cavity 20, so that the water flow is more stable and the effect of the water outlet is maintained.

Referring to fig. 10 to 16, according to another aspect of the present invention, the present invention further provides a water outlet device 2, which includes a water outlet channel 100 and the sheet-like water nozzle 1, wherein the water outlet cavity 10 is communicated with the water outlet channel 100.

The water discharge device 2 shown in fig. 10 to 12 is a faucet, in which the main body of the faucet is not shown, and the faucet is connected to the sheet-like water discharge nozzle 1 through a joint 200.

The water outlet device 2 shown in fig. 13 to 16 is a hand-held shower head, and the sheet-shaped water outlet nozzle 1 is directly arranged on the water outlet panel 300 of the hand-held shower head, so that the whole structure is very compact.

In order to rectify the water flow and help the water outlet spray to have better stability, preferably, the water flow direction of the water outlet channel 100 is turned by the turning angle 400 and then flows into the water outlet cavity 10.

It will be appreciated that the water outlet means 2 is not limited to the above described faucets or hand held shower heads but may be other water outlet means as required, such as spray guns and the like.

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, when used herein, can 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 this invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And 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.