CN114197143A - Flaring-shaped spray header and washing machine - Google Patents

Flaring-shaped spray header and washing machine Download PDF

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Publication number
CN114197143A
CN114197143A CN202111592959.5A CN202111592959A CN114197143A CN 114197143 A CN114197143 A CN 114197143A CN 202111592959 A CN202111592959 A CN 202111592959A CN 114197143 A CN114197143 A CN 114197143A
Authority
CN
China
Prior art keywords
pipe section
section
point
spray
showerhead
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111592959.5A
Other languages
Chinese (zh)
Inventor
王立乾
林丹
张贤
黄国鹏
熊传鑫
杨洪永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202111592959.5A priority Critical patent/CN114197143A/en
Publication of CN114197143A publication Critical patent/CN114197143A/en
Pending legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F17/00Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/04Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid solely by water jets
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • D06F39/088Liquid supply arrangements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F41/00Rinsing apparatus

Abstract

The invention provides a flaring spray header and a washing machine, which are used for the flaring spray header and comprise a connecting pipe section, a middle pipe section and a contraction pipe section, wherein the connecting pipe section is used for being connected with a water supply pipeline; the two ends of the middle pipe section are respectively connected with the connecting pipe section and the contraction pipe section, the contraction pipe section is expanded in a first direction and contracted in a second direction along the direction far away from the middle pipe section, and the first direction and the second direction are vertical to each other; the two end points of the contraction pipe section in the first direction are respectively a point B and a point C, and the distance AE from any point A on the middle pipe section to any point on the spraying surface of the contraction pipe section is larger than the vertical distance AD from the point A on the middle pipe section to the connecting line of the point B and the point C. The invention solves the problems that the coverage range of the spraying system of the washing machine in the prior art is limited, and the complete coverage of the front end and the rear end of the whole inner barrel is difficult to realize.

Description

Flaring-shaped spray header and washing machine
Technical Field
The invention relates to the technical field of household electrical appliances, in particular to a flared spray header and a washing machine.
Background
Most of the conventional washing machines are rinsed after the main washing process is completed to remove the residual detergent and then spin-dried. However, if the rinsing is excessive, time is wasted, and the total washing time is increased. In addition, the processes of rinsing water inlet, rinsing washing, water drainage and the like all need to take a certain time, and multiple times of dehydration increase the time for clothes to find balance, so that the total washing time is prolonged, and the energy consumption such as power consumption is increased. Meanwhile, in the rinsing stage, the drum is required to rotate to drive the clothes to beat or rub, so that the abrasion or deformation of the clothes can be increased to a certain extent. On the other hand, some current washing machines are provided with a spray system for flushing or defoaming foam or for performing cyclic spray washing, drum cleaning, etc.
Therefore, the spraying system of the washing machine in the prior art has limited coverage, and the complete coverage of the front end and the rear end of the whole inner barrel is difficult to realize.
Disclosure of Invention
The invention mainly aims to provide a flared spray header and a washing machine, and aims to solve the problems that the coverage of a spray system of the washing machine in the prior art is limited, and the complete coverage of the front end and the rear end of the whole inner cylinder is difficult to realize.
In order to achieve the above object, according to one aspect of the present invention, there is provided a shower head in a flared shape, including a connection pipe section for connection with a water supply line, an intermediate pipe section, and a contraction pipe section; the two ends of the middle pipe section are respectively connected with the connecting pipe section and the contraction pipe section, the contraction pipe section is expanded in a first direction and contracted in a second direction along the direction far away from the middle pipe section, and the first direction and the second direction are vertical to each other; the two end points of the contraction pipe section in the first direction are respectively a point B and a point C, and the distance AE from any point A on the middle pipe section to any point on the spraying surface of the contraction pipe section is larger than the vertical distance AD from the point A on the middle pipe section to the connecting line of the point B and the point C.
Further, the distance from the point A on the middle pipe section to the end point B on the contraction pipe section is AB, and the distance from the point A on the middle pipe section to the end point C on the contraction pipe section is AC, wherein AB is less than or equal to AE, and/or AC is less than or equal to AE.
Further, the connecting pipe section, the intermediate pipe section and the contraction pipe section are coaxially arranged.
Further, the tube cross section of the intermediate tube section increases gradually in a direction away from the connecting tube section.
Furthermore, one end of the contraction pipe section, which is connected with the middle pipe section, is round; and/or the end surface of one end of the contraction pipe section far away from the middle pipe section is a spraying surface, and the spraying surface is polygonal or elliptical or racetrack-shaped.
Furthermore, the end face of one end of the contraction pipe section, which is far away from the middle pipe section, is a spraying face, the spraying face is provided with a plurality of spraying openings, and the plurality of spraying openings are arranged at intervals along the first direction.
Further, the shape of the shower opening includes one or more of a polygon, a circle, an ellipse, and a racetrack shape.
Furthermore, the spraying surface is an arc surface; or the spray surface comprises at least one section of plane surface section and at least one section of cambered surface section.
Further, the tube cross-section of the constricted tube section is gradually varied in a direction away from the intermediate tube section, so that the tube cross-section is deformed from a circular cross-section into a polygonal or elliptical or racetrack shape.
According to another aspect of the present invention, there is provided a washing machine including the showerhead described above.
By applying the technical scheme of the invention, the flaring spray header comprises a connecting pipe section, a middle pipe section and a contraction pipe section, wherein the connecting pipe section is used for being connected with a water supply pipeline; the two ends of the middle pipe section are respectively connected with the connecting pipe section and the contraction pipe section, the contraction pipe section is expanded in a first direction and contracted in a second direction along the direction far away from the middle pipe section, and the first direction and the second direction are vertical to each other; a line segment BC is formed between two end points of the contraction pipe section in the first direction, and the distance AE from any point A on the middle pipe section to any point on the spraying surface of the contraction pipe section is larger than the distance AD from the point A on the middle pipe section to the line segment BC.
Use the shower head that is the flaring form in this application, can reach the blind area that shelters from that avoids the glass bowl effectively through the connection structure of connecting pipe section, middle pipeline section and shrink pipeline section, realize the regional cover of spraying to the inside tube clothing, guarantee to dewater and spray the rinsing effect. In addition, because the structural design that the direction of shrink section along keeping away from middle pipeline section enlarges and shrink in the second direction in the first direction, can guarantee that the shower face of shower head can form a direction and be similar horn mouth formula expansion, and another direction is along the form design that the curve shrinks gradually, in order to reach the effect of carrying out the pressure boost to the shower water, thereby guarantee the scouring force to the clothing, and guarantee that the play water of shower head can cover the whole scope of inner tube front end and rear end, thereby guarantee the evenly distributed of the water yield of spraying, and then realize effectively spraying to all clothings in the section of thick bamboo, guarantee that each clothing can both obtain better rinsing effect, in order to guarantee that the detergent remains can reach washing machine industry standard.
By using the flaring spray head in the application, a spray dewatering mode can be adopted to replace a rinsing and dewatering stage, so that the clothes washing time consumption and energy consumption can be reduced, and the problems of clothes abrasion, deformation and the like caused by rinsing and the like can be reduced. And, compare with the washing device that needs the rinsing, the mode that the present application adopted to carry out the bleaching that sprays and take off and go on simultaneously in the dehydration stage has replaced the mode that originally need carry out the dehydration again after rinsing to adopt the multistage formula shower head that connecting tube section, middle pipeline section and shrink pipeline section formed, guarantee to spray the cover distance, both can rinse the clothing, can reduce the time consumption that the rinsing brought again. Meanwhile, the spray header is provided with the connecting pipe section, so that one end of the spray header, which is far away from the middle pipe section, can be directly connected with a water supply pipeline of the washing machine through the connecting pipe section, the structure of the internal pipeline of the washing machine can be simpler, and the required spray effect can be achieved. Meanwhile, due to the spray rinsing, beating or friction can be avoided, the effect of reducing wear or deformation of clothes is achieved, and the structure is simple and easy to achieve.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 illustrates a schematic configuration of a washing machine according to an alternative embodiment of the present invention;
fig. 2 illustrates an internal structure diagram of the washing machine of fig. 1;
fig. 3 is a schematic structural diagram of a showerhead according to a first embodiment of the present invention;
FIG. 4 is a schematic view of the showerhead of FIG. 3 shown retracted in a second direction;
FIG. 5 shows a schematic view of the showerhead of FIG. 3 expanded in a first direction;
FIG. 6 shows a schematic view of the internal structure of the showerhead of FIG. 5;
fig. 7 shows a schematic structural diagram of a showerhead according to a second embodiment of the present invention;
fig. 8 shows a schematic structural diagram of a shower head according to a third embodiment of the present invention;
fig. 9 shows a schematic structural view of a showerhead according to a fourth embodiment of the present invention;
fig. 10 shows a schematic structural view of a showerhead according to a fifth embodiment of the present invention;
fig. 11 shows a schematic view of the internal structure of the showerhead of fig. 10.
Wherein the figures include the following reference numerals:
1. a water supply line; 10. connecting the pipe sections; 20. a middle tube section; 30. shrinking the pipe section; 31. a spray surface; 32. a spray port; 40. a whole machine; 41. sealing the door; 42. a washing chamber; 50. a door body structure; 60. a shower head; 70. a spray pipeline; 80. a water inlet valve; 90. a barrel; 100. an outer cylinder; 110. a drain line; 120. and (4) draining the water valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problems that the coverage range of a spraying system of a washing machine in the prior art is limited and the complete coverage of the front end and the rear end of the whole inner barrel is difficult to realize, the invention provides a flaring-shaped spraying head and a washing machine.
It should be noted that, in the following embodiments of the present application, the washing machine refers to a drum washing machine, and the washing machine includes the shower head 60 described above and below.
As shown in fig. 1 and 2, the washing machine is a drum washing machine, and the washing machine further includes a complete machine 40, a door structure 50 and a spraying pipeline 70, wherein the complete machine 40 has an opening, a door seal 41 and a washing chamber 42 communicated with the opening, and the door seal 41 is arranged around the circumference of the opening; the door body structure 50 is arranged at the opening in an opening-closing manner so as to block or avoid the opening, and the spray header 60 is arranged at the top of the door seal 41; the shower line 70 is disposed inside the whole machine 40, and the gate seal 41 has a communication opening into which at least a portion of the connecting pipe section 10 of the shower head 60 extends and communicates with the shower line 70.
As shown in fig. 2, a water inlet valve 80 is provided on a water supply pipeline 1 of the washing machine, the water supply pipeline 1 is connected with an external water source, the inner cylinder, i.e., the cylinder 90, the bottom of the outer cylinder 100 is provided with an opening, the opening is communicated with a household drainage channel through a drainage pipeline 110, and the drainage pipeline 110 is provided with a drainage valve 120.
Specifically, when the spray dehydration process is performed, the water inlet valve 80 is opened, water is sprayed into the drum 90 from the spray header 60 and covers all the laundry by the rotation of the drum 90, and the water flow penetrates the laundry and takes away the detergent residue by using the centrifugal force of the high-speed rotation. At the same time, the drain valve 120 is opened to drain the contaminated water from the drain line 110.
Optionally, the shower header 60 is disposed at a position just in the middle of the top of the dock seal 41; alternatively, the shower head 60 is disposed on one side of the top of the dock seal 41 so as to be offset from the middle of the top of the dock seal 41.
Optionally, the showerhead 60 does not extend beyond an end of the door structure 50 that extends into the washing chamber 42; the shower head 60 does not extend beyond the side of the dock seal 41 adjacent to the wash chamber 42.
Example one
As shown in fig. 3 to 6, the shower head in a flared shape includes a connection pipe section 10, an intermediate pipe section 20, and a contraction pipe section 30, the connection pipe section 10 being used to connect with the water supply line 1; the two ends of the middle pipe section 20 are respectively connected with the connecting pipe section 10 and the contraction pipe section 30, the contraction pipe section 30 expands in a first direction and contracts in a second direction along the direction far away from the middle pipe section 20, and the first direction and the second direction are vertical to each other; two end points of the contraction pipe section 30 in the first direction are respectively a point B and a point C, and the distance AE from any point A on the middle pipe section 20 to any point on the spray surface 31 of the contraction pipe section 30 is greater than the vertical distance AD from the point A on the middle pipe section 20 to the connecting line of the point B and the point C.
By using the flaring spray header in the application, the connection structure of the connecting pipe section 10, the middle pipe section 20 and the contraction pipe section 30 can effectively avoid the blind area of shielding a glass bowl, the spray area of inner clothes is covered, and the spray rinsing effect of dehydration is ensured. In addition, because the structural design that shrink section 30 expands in the first direction and shrinks in the second direction along the direction of keeping away from middle pipeline section 20, can guarantee that the shower face 31 of shower head can form a direction and be similar horn mouth formula expansion, and another direction is the formal design that shrinks gradually along the curve, in order to reach the effect of carrying out the pressure boost to the shower water, thereby guarantee the scouring force to the clothing, and guarantee that the play water of shower head can cover the whole scope of inner tube front end and rear end, thereby guarantee the evenly distributed of the water yield that sprays, and then realize effectively spraying to all clothings in the section of thick bamboo, guarantee that every clothing can both obtain better rinsing effect, in order to guarantee that the detergent remains can reach washing machine industry standard.
By using the flaring spray head in the application, a spray dewatering mode can be adopted to replace a rinsing and dewatering stage, so that the clothes washing time consumption and energy consumption can be reduced, and the problems of clothes abrasion, deformation and the like caused by rinsing and the like can be reduced. Compared with the existing washing device needing rinsing, the washing device has the advantages that the mode that rinsing and dewatering are carried out simultaneously in the dewatering stage is adopted, the mode that dewatering is carried out after rinsing is originally carried out is replaced, the multi-section type spray header formed by the connecting pipe section 10, the middle pipe section 20 and the contraction pipe section 30 is adopted, the spraying coverage distance is guaranteed, clothes can be rinsed, and time consumption caused by rinsing can be reduced. Meanwhile, as the spray header is provided with the connecting pipe section 10, one end of the connecting pipe section 10 far away from the middle pipe section 20 can be directly connected with a water supply pipeline of the washing machine, so that the structure of the internal pipeline of the washing machine can be simpler, and the required spray effect can be achieved. Meanwhile, due to the spray rinsing, beating or friction can be avoided, the effect of reducing wear or deformation of clothes is achieved, and the structure is simple and easy to achieve.
It should be noted that, the drum washing machine provided by the application cancels the rinsing link after washing, directly enters the dehydration process, continuously or intermittently sprays the clothes while dehydrating, utilizes the centrifugal force of high-speed rotation to enable the water flow to penetrate the clothes and take away the detergent residue, and achieves the same rinsing effect as the conventional rinsing.
It should be noted that, in the present application, the contracted pipe section 30 of the shower head 60 is contracted in the second direction, so that the end of the shower head 60 forms a flat and long shower opening 32, so that the extruded water flow forms a higher shower speed, the shower head 60 is expanded in the first direction to form a trumpet-shaped nozzle, the divergent water flow forms a larger shower coverage angle, and forms a trumpet-shaped end angle at both ends B, C, the solid edge of the shower head 60 between the BC forms an oblong shower opening 32, and the shape of the shower opening 32 includes one or more of a polygon, a circle, an ellipse and a racetrack.
As shown in FIG. 6, the distance from point A on intermediate section 20 to end point B on convergent section 30 is AB and the distance from point A on intermediate section 20 to end point C on convergent section 30 is AC, where AB ≦ AE, and/or AC ≦ AE. Thus, after the water flow passes through the middle pipe section 20, a longer flow path is formed in the middle to obtain larger resistance, the flow paths at two ends of the bell mouth are shortened as much as possible, the water resistance is reduced, and the water flow is diffused to two sides as much as possible to form a larger spraying coverage range.
Alternatively, the connecting tube section 10, the intermediate tube section 20 and the convergent tube section 30 are arranged coaxially.
Optionally, the length of each of the connecting tube section 10 and the converging tube section 30 is greater than the length of the intermediate tube section 20.
Optionally, the pipe section of the intermediate pipe section 20 gradually increases in a direction away from the connecting pipe section 10.
Optionally, the end of the convergent section 30 that connects to the intermediate section 20 is rounded; and/or the end surface of one end of the contraction pipe section 30 far away from the middle pipe section 20 is a spraying surface 31, and the spraying surface 31 is in a polygonal shape or an oval shape or a racetrack shape.
Optionally, the end surface of the end of the convergent pipe section 30 remote from the intermediate pipe section 20 is a spray face 31, and the spray face 31 has a single spray opening 32.
Optionally, the tube cross-section of the converging tube section 30 is gradually changed in a direction away from the intermediate tube section 20 to deform the tube cross-section from a circular cross-section to a polygonal or elliptical or racetrack shape.
It should be noted that, in the present application, the racetrack loop shape refers to a loop structure including two arc sections and two straight line sections, the two arc sections are arranged oppositely, the two straight line sections are arranged oppositely, and the arc sections and the straight line sections are connected and enclose into a loop structure.
As shown in fig. 3 to 6, the shower face 31 is an arc-shaped face.
Specific embodiments are described below in which spray face 31 includes at least one planar segment and at least one arcuate segment.
Example two
It should BE noted that the difference between the present embodiment and the first embodiment is that, as shown in fig. 7, the spray surface 31 includes a BE1 plane segment, an E1E2 straight segment, and a CE2 straight segment.
EXAMPLE III
It should BE noted that the difference between the present embodiment and the first embodiment is that, as shown in fig. 8, the spray surface 31 includes a BE1 arc segment, an E1E2 straight segment, and a CE2 arc segment.
Example four
It should BE noted that the difference between the present embodiment and the first embodiment is that, as shown in fig. 9, the spray surface 31 includes a BE1 arc segment, an E1E2 arc segment, and a CE2 arc segment.
EXAMPLE five
As shown in fig. 10 and 11, an end surface of the contracted pipe section 30 away from the end of the intermediate pipe section 20 is a spray surface 31, the spray surface 31 has a plurality of spray openings 32, and the plurality of spray openings 32 are spaced apart in the first direction.
Optionally, in the trumpet-shaped runner at the tail end of the spray header 60, a plurality of guide plates are arranged along the water flow direction, so that water flow is uniformly divided, and the problem of uneven distribution of spray water flow can be effectively solved.
Of course, the above effects can also be achieved by arranging a plurality of grills at the spraying opening 32 or closing the spraying opening and then carrying out the hole opening design.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
1. the spraying head with flaring design is used for dispersing and spraying the spraying water flow, so that higher spraying speed and larger coverage range are obtained;
2. two angles of the horn-shaped opening of the spray header are designed into notches or round corners, the spray range is improved by more than 50% on the premise of not increasing the size of the spray header, the size of the spray header is small, clothes and a spray head can be reduced from being scraped, the clothes are damaged, and the normal operation of the washing machine is affected.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A showerhead in the form of a flare, comprising:
a connecting pipe section (10), wherein the connecting pipe section (10) is used for connecting with a water supply pipeline (1);
an intermediate pipe section (20);
the two ends of the middle pipe section (20) are respectively connected with the connecting pipe section (10) and the contraction pipe section (30), the contraction pipe section (30) expands in a first direction and contracts in a second direction along the direction far away from the middle pipe section (20), and the first direction and the second direction are perpendicular to each other;
two end points of the contraction pipe section (30) in the first direction are respectively a point B and a point C, and the distance AE from any point A on the middle pipe section (20) to any point on the spraying surface (31) of the contraction pipe section (30) is larger than the vertical distance AD of a connecting line of the point A on the middle pipe section (20) to the point B and the point C.
2. The showerhead of claim 1, wherein the distance from point a on the intermediate pipe section (20) to the end point B on the convergent pipe section (30) is AB and the distance from point a on the intermediate pipe section (20) to the end point C on the convergent pipe section (30) is AC, wherein AB ≦ AE, and/or AC ≦ AE.
3. The showerhead, according to claim 1, characterized in that the connecting pipe section (10), the intermediate pipe section (20) and the converging pipe section (30) are coaxially arranged.
4. The showerhead, according to claim 1, characterized in that the pipe cross section of the intermediate pipe section (20) gradually increases in a direction away from the connecting pipe section (10).
5. The showerhead of claim 1,
one end of the contraction pipe section (30) connected with the middle pipe section (20) is circular; and/or the presence of a gas in the gas,
the end face of one end, far away from the middle pipe section (20), of the contraction pipe section (30) is the spraying face (31), and the spraying face (31) is polygonal or elliptical or in a racetrack shape.
6. The showerhead according to claim 1, wherein an end surface of the convergent section (30) at an end remote from the intermediate section (20) is the spray face (31), the spray face (31) having a plurality of spray openings (32), the plurality of spray openings (32) being spaced apart in the first direction.
7. The spray header as claimed in claim 1, wherein the end surface of the end of the convergent pipe section (30) far away from the intermediate pipe section (20) is the spray surface (31), and the spray surface (31) is provided with a spray opening (32).
8. The showerhead of claim 7, wherein the shape of the spray opening (32) includes one or more of a polygon, a circle, an ellipse, and a racetrack.
9. The showerhead of claim 1,
the spraying surface (31) is an arc surface; or the like, or, alternatively,
the spray face (31) comprises at least one section of plane surface section and at least one section of arc surface section.
10. The showerhead, according to any of claims 1 to 9, characterized in that the convergent tube section (30) has a tube cross section that gradually changes in a direction away from the intermediate tube section (20) so as to deform the tube cross section from a circular cross section into a polygonal or elliptical or racetrack shape.
11. A washing machine, characterized by comprising a shower head (60), the shower head (60) being the shower head according to any one of claims 1 to 10.
CN202111592959.5A 2021-12-23 2021-12-23 Flaring-shaped spray header and washing machine Pending CN114197143A (en)

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