CN114680784A - Spraying arm for cleaning machine - Google Patents
Spraying arm for cleaning machine Download PDFInfo
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- CN114680784A CN114680784A CN202011645054.5A CN202011645054A CN114680784A CN 114680784 A CN114680784 A CN 114680784A CN 202011645054 A CN202011645054 A CN 202011645054A CN 114680784 A CN114680784 A CN 114680784A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4278—Nozzles
- A47L15/428—Rotary nozzles
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Abstract
The invention relates to a spray arm for a cleaning machine, which comprises a body extending along the length direction, wherein a water collecting cavity is arranged in the middle of the body, a first flow channel communicated with the water collecting cavity is arranged on one side of the body, a second flow channel communicated with the water collecting cavity is arranged on the other side of the body, molded lines corresponding to the water collecting cavity comprise a first line segment and a second line segment which are centrosymmetric, the first line segment comprises a first arc segment and a second arc segment which are mutually connected and have different radians, and the second line segment comprises a third arc segment and a fourth arc segment which are mutually connected and have different radians. Along the flow direction of the water flow, the first line segment and the second line segment enable the water collecting cavity to form an involute volute structure, and the structure is favorable for increasing the water pressure of the output water flow, so that the water flow jet lift is improved; first line segment, second line segment all include two circular arc sections that link up each other and the radian is different, and this structure has realized the centrifugal action of spiral case with as few as possible circular arc structure to reduce energy loss, be favorable to further improving the lift of jet stream.
Description
Technical Field
The invention relates to the technical field of dish washer accessories, in particular to a spray arm for a cleaning machine.
Background
A dishwasher is an apparatus that sprays cold or hot water to a dish to remove dirt adhered to the dish and wash the dish. Common dish washers in the market at present have a table type, a cabinet type, a water tank type and the like, wherein only the water tank type dish washer applies an open water pump, namely, the water pump is combined with a spray arm, and the spray arm is used as a part of a water pump volute and has the functions of drawing water and jetting water columns so as to be convenient to disassemble and clean and keep a better water flow effect.
The applicant's prior application ZL201310752030.3 "open sink cleaning machine" discloses the above-mentioned water pump structure, the rotating spray arm is used as the water outlet component of the water pump, the middle bottom of the rotating spray arm is formed with an upper receiving cavity for receiving the upper part of the blade, the rotating spray arm is provided with a flow channel communicated with the upper receiving cavity, the upper receiving cavity is located in the middle of the rotating spray arm, and the flow channel is located at the two sides of the upper receiving cavity.
In the in-service use, discover that above-mentioned spray arm has great loss of ability when the pump water, has influenced the lift of spraying the water column, when being applied to in the less basin formula dish washer in washing space, the lift of above-mentioned spray arm can satisfy the washing demand, but when the whole high back that increases in washing chamber, the spraying lift of above-mentioned spray arm is difficult to satisfy the washing demand.
Disclosure of Invention
The invention aims to provide a spray arm for a cleaning machine, which reduces the capacity loss and improves the water jet lift by optimizing a flow channel structure.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a spray arm for cleaning machine, has the body that extends along length direction including having, and this body middle part has the chamber that catchments, and this body one side has the first runner that is linked together with the chamber that catchments, and this body opposite side has the second runner that is linked together with the chamber that catchments, it has the water inlet that is linked together with the chamber that catchments to open on the body diapire, it has the hole for water spraying, its characterized in that to open on the roof and/or the lateral wall of body: the molded lines corresponding to the water collecting cavity comprise a first line segment and a second line segment which are centrosymmetric, the first line segment comprises a first circular arc segment and a second circular arc segment which are mutually connected and have different radians, and the second line segment comprises a third circular arc segment and a fourth circular arc segment which are mutually connected and have different radians.
In the above solution, the center of the water collecting cavity is used as an origin O, a horizontal line passing through the origin O is used as an X-axis, a vertical line passing through the origin O is used as a Y-axis, and the first arc segment is:
(x-9)2+(y+5)2＝482(53.3°＜α≤119.16°)，
wherein α is a coordinate system angle corresponding to the first arc segment.
The second arc segment is:
(x+0.9)2+(y-5.8)2＝33.52(119.16°＜β≤224.63°)，
wherein β is a coordinate system angle corresponding to the second arc segment.
The third arc segment is:
(x+9)2+(y-5)2＝482(233.3°＜γ≤299.16°)，
wherein γ is a coordinate system angle corresponding to the third arc segment.
The fourth arc segment is:
(x-0.9)2+(y+5.8)2＝33.52(-60.84°＜δ≤44.63°)，
and delta is a coordinate system angle corresponding to the fourth arc segment.
By adopting the structure, an involute volute structure is formed, water flows from the water collecting cavity to the left throat and the right throat along the wall surface of the volute, and the water pressure is gradually increased by the involute wall surface, so that the lift of the water flow ejected by the spray arm is improved; the throat is connected with the volute and the rectangular flow channel of the spray arm, and the water pressure is increased again in a mode that the throat is narrow and wide, so that the water flow lift is improved.
In the invention, the molded line corresponding to the first runner is provided with a first straight line section horizontally arranged above an X axis and a second straight line section horizontally arranged below the X axis, the starting end of the first circular arc section is connected with the first straight line section through a third straight line section, and the tail end of the fourth circular arc section is connected with the second straight line section through a fourth straight line section along the anticlockwise direction. This structure is advantageous in reducing energy loss.
Preferably, the starting end of the first circular arc section is tangentially connected with a third straight line section, and the third straight line section is smoothly connected with the first straight line section through a first circular arc transition section. The tail end of the fourth arc section is smoothly connected with the fourth straight section through a second arc transition section, and the fourth straight section is smoothly connected with the second straight section through a third arc transition section. By adopting the structure, the capacity loss is further reduced.
In the invention, the molded line corresponding to the second flow channel is provided with a fifth straight line segment horizontally arranged above the X axis and a sixth straight line segment horizontally arranged below the X axis, the tail end of the second circular arc segment is connected with the fifth straight line segment through a seventh straight line segment along the anticlockwise direction, and the starting end of the third circular arc segment is connected with the sixth straight line segment through an eighth straight line segment. This structure is advantageous in reducing energy loss.
Preferably, the tail end of the second circular arc section is smoothly connected with a seventh straight-line section through a fourth circular arc transition section, and the seventh straight-line section is smoothly connected with the fifth straight-line section through a fifth circular arc transition section. The starting end of the third circular arc section is tangentially connected with the eighth straight line section, and the eighth straight line section is smoothly connected with the sixth straight line section through the sixth circular arc transition section. By adopting the structure, the capacity loss is further reduced.
Preferably, the centers of the first flow channel and the second flow channel are located on an X axis, and the width of the first flow channel and the width of the second flow channel on a Y axis are 0.2-0.5 times of the width of the water collecting cavity on the Y axis.
Compared with the prior art, the invention has the advantages that: the molded line corresponding to the water collecting cavity comprises a first line segment and a second line segment which are centrosymmetric, and the first line segment and the second line segment enable the water collecting cavity to form an involute volute structure along the flowing direction of water flow, so that the structure is favorable for increasing the water pressure of output water flow, and the water flow jet lift is improved; the first line segment and the second line segment of the invention both comprise two arc segments which are mutually connected and have different radians, and the structure realizes the centrifugal action of the volute by using the arc structure as less as possible, reduces the energy loss and is beneficial to further improving the lift of the jet water flow.
Drawings
FIG. 1 is a schematic structural view of a spray arm according to an embodiment of the present invention;
FIG. 2 is a schematic view of another angle of the spray arm according to the embodiment of the present invention;
FIG. 3 is a cross-sectional view of a spray arm in an embodiment of the present invention;
fig. 4 is a schematic profile view of a spray arm according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 3, the spray arm for a cleaning machine of the present embodiment includes a body 1 extending along a length direction, a water collection chamber 10 is provided in a middle portion of the body 1, a first flow channel 11 communicated with the water collection chamber 10 is provided on one side of the body 1, a second flow channel 12 communicated with the water collection chamber 10 is provided on the other side of the body 1, a water inlet 13 communicated with the water collection chamber 10 is provided on a bottom wall of the body 1, and a water spray hole 14 communicated with the first flow channel 11 and the second flow channel 12 is provided on a top wall of the body 1.
In this embodiment, as shown in fig. 4, from a top view, the molded line corresponding to the water collecting cavity 10 includes a first line segment AC and a second line segment DF that are centrosymmetric, the first line segment AC includes a first arc segment AB and a second arc segment BC that are connected to each other and have different radians, and the second line segment DF includes a third arc segment DE and a fourth arc segment EF that are connected to each other and have different radians.
Specifically, the center of the water collecting cavity 10 is used as an origin O, a horizontal line passing through the origin O is used as an X-axis, a vertical line passing through the origin O is used as a Y-axis, and the first arc segment AB is:
(x-9)2+(y+5)2＝482(53.3°＜a≤119.16°)，
wherein α is the coordinate system angle corresponding to the first arc segment AB.
The second arc segment BC is:
(x+0.9)2+(y-5.8)2＝33.52(119.16°＜β≤224.63°)，
wherein β is a coordinate system angle corresponding to the second arc segment BC.
The third arc segment DE is:
(x+9)2+(y-5)2＝482(233.3°＜γ≤299.16°)，
wherein γ is a coordinate system angle corresponding to the third arc segment DE.
The fourth arc segment EF is:
(x-0.9)2+(y+5.8)2＝33.52(-60.84°＜δ≤44.63°)，
wherein δ is the coordinate system angle corresponding to the fourth arc segment EF.
In this embodiment, the actual arc radii of the first arc segment AB and the third arc segment DE are 48mm, and the actual arc radii of the second arc segment BC and the fourth arc segment EF are 33.5 mm. By adopting the structure, an involute volute structure is formed, water flows from the water collecting cavity 10 to the left throat and the right throat along the wall surface of the volute, and the water pressure is gradually increased by the involute wall surface, so that the lift of the water flow ejected by the spray arm is improved; the throat is connected with the volute and the rectangular flow channel of the spray arm, and the water pressure is increased again in a narrow and wide mode, so that the water flow lift is improved.
In this embodiment, the molded line corresponding to the first flow channel 11 has a first straight line segment HR horizontally disposed above the X axis and a second straight line segment KS horizontally disposed below the X axis, and along the counterclockwise direction, the starting end a of the first arc segment AB is connected to the first straight line segment HR through a third straight line segment AG, and the tail end F of the fourth arc segment EF is connected to the second straight line segment KS through a fourth straight line segment IJ.
The starting end A of the first arc section AB is tangent to the third straight-line section AG, the third straight-line section AG is smoothly connected with the first straight-line section HR through a first arc transition section GH, and the radius of the first arc transition section GH is 95 mm. The tail end of the fourth arc section EF is smoothly connected with the fourth straight-line section IJ through a second arc transition section IF, the radius of the second arc transition section IF is 1.5mm, the fourth straight-line section IJ is smoothly connected with the second straight-line section KS through a third arc transition section JK, and the radius of the third arc transition section JK is 37.63 mm. By adopting the structure, the capacity loss is further reduced.
In this embodiment, the profile corresponding to the second runner 12 has a fifth straight line segment NT horizontally disposed above the X axis and a sixth straight line segment QU horizontally disposed below the X axis, and in the counterclockwise direction, the end C of the second circular arc segment BC is connected to the fifth straight line segment NT through the seventh straight line segment LM, and the start end D of the third circular arc segment DE is connected to the sixth straight line segment QU through the eighth straight line segment DP.
The tail end C of the second arc section BC is smoothly connected with the seventh straight-line section LM through a fourth arc transition section CL, the radius of the fourth arc transition section CL is 1.5mm, the seventh straight-line section LM is smoothly connected with the fifth straight-line section NT through a fifth arc transition section MN, and the radius of the fifth arc transition section MN is 37.63 mm. The starting end D of the third arc section DE is tangentially connected with the eighth straight-line section DP, the eighth straight-line section DP is smoothly connected with the sixth straight-line section QU through a sixth arc transition section PQ, and the radius of the sixth arc transition section PQ is 95 mm. By adopting the structure, the capacity loss is further reduced.
The centers of the first flow channel 11 and the second flow channel 12 of the present embodiment are located on the X axis, and the widths of the first flow channel 11 and the second flow channel 12 on the Y axis are 0.2 to 0.5 times of the widths of the water collecting cavity 10 on the Y axis.
The molded line corresponding to the water collecting cavity 10 in this embodiment includes a first line segment AC and a second line segment DF which are centrosymmetric, and the first line segment AC and the second line segment DF enable the water collecting cavity 10 to form an involute volute structure along the flow direction of the water flow, which is beneficial to increasing the water pressure of the output water flow, thereby improving the water flow jet lift; first line segment AC, second line segment DF all include the two circular arc sections that link up each other and the radian is different, and this structure has realized the centrifugal action of spiral case with as few as possible circular arc structure to energy loss has been reduced, the lift that is favorable to further improving jet stream.
Claims (12)
1. The utility model provides a spray arm for cleaning machine, includes and has body (1) that extends along length direction, and this body (1) middle part has a chamber (10) that catchments, and this body (1) one side has first runner (11) that are linked together with chamber (10) that catchments, and this body (1) opposite side has second runner (12) that are linked together with chamber (10) that catchments, it has water inlet (13) that are linked together with chamber (10) that catchments to open on body (1) diapire, it has hole for water spraying (14) to open on the roof and/or the lateral wall of body (1), its characterized in that: the molded lines that chamber (10) that catchments corresponds include first line segment AC, the second line segment DF that is central symmetry, first line segment AC is including linking up each other and the different first circular arc section AB of radian, second circular arc section BC, second line segment DF is including linking up each other and the different third circular arc section DE of radian, fourth circular arc section EF.
2. The spray arm for a cleaning machine of claim 1, wherein: the center of the water collecting cavity (10) is used as an original point O, a horizontal line passing through the original point O is used as an X axis, a vertical line passing through the original point O is used as a Y axis, and the first arc section AB is used as
(x-9)2+(y+5)2＝482(53.3°＜α≤119.16°)，
Wherein α is a coordinate system angle corresponding to the first arc segment AB.
3. The spray arm for a cleaning machine of claim 2 wherein: the second arc segment BC is
(x+0.9)2+(y-5.8)2＝33.52(119.16°＜β≤224.63°)，
Wherein β is a coordinate system angle corresponding to the second arc segment BC.
4. The spray arm for a cleaning machine of claim 2 wherein: the third arc segment DE is
(x+9)2+(y-5)2＝482(233.3°＜γ≤299.16°)，
Wherein γ is a coordinate system angle corresponding to the third arc segment DE.
5. The spray arm for a cleaning machine of claim 2 wherein: the fourth circular arc section EF is
(x-0.9)2+(y+5.8)2＝33.52(-60.84°＜δ≤44.63°)，
Wherein δ is a coordinate system angle corresponding to the fourth arc segment EF.
6. The spray arm for a cleaning machine of any one of claims 2 to 5, wherein: the molded line corresponding to the first flow channel (11) is provided with a first straight line section HR horizontally arranged above an X axis and a second straight line section KS horizontally arranged below the X axis, the starting end A of the first circular arc section AB is connected with the first straight line section HR through a third straight line section AG, and the tail end F of the fourth circular arc section EF is connected with the second straight line section KS through a fourth straight line section IJ in the anticlockwise direction.
7. The spray arm for a cleaning machine of claim 6, wherein: the starting end A of the first circular arc section AB is tangentially connected with a third straight line section AG, and the third straight line section AG is smoothly connected with the first straight line section HR through a first circular arc transition section GH.
8. The spray arm for a cleaning machine of claim 6, wherein: the tail end F of the fourth arc section EF is smoothly connected with the fourth straight-line section IJ through a second arc transition section IF, and the fourth straight-line section IJ is smoothly connected with the second straight-line section KS through a third arc transition section JK.
9. The spray arm for a cleaning machine of any one of claims 2 to 5, wherein: the molded line corresponding to the second flow channel (12) is provided with a fifth straight line segment NT horizontally arranged above the X axis and a sixth straight line segment QU horizontally arranged below the X axis, the tail end C of the second circular arc segment BC is connected with the fifth straight line segment NT through a seventh straight line segment LM along the anticlockwise direction, and the starting end D of the third circular arc segment DE is connected with the sixth straight line segment QU through an eighth straight line segment DP.
10. The spray arm for a cleaning machine of claim 9 wherein: the tail end C of the second arc section BC is smoothly connected with a seventh straight-line section LM through a fourth arc transition section CL, and the seventh straight-line section LM and a fifth straight-line section NT are smoothly connected through a fifth arc transition section MN.
11. The spray arm for a cleaning machine of claim 9 wherein: the starting end D of the third arc section ED is tangentially connected with an eighth straight line section DP, and the eighth straight line section DP and a sixth straight line section QU are smoothly connected through a sixth arc transition section PQ.
12. The spray arm for a cleaning machine of any one of claims 2 to 5, wherein: the centers of the first flow channel (11) and the second flow channel (12) are located on an X axis, and the widths of the first flow channel (11) and the second flow channel (12) on a Y axis are 0.2-0.5 times of the width of the water collecting cavity (10) on the Y axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011645054.5A CN114680784A (en) | 2020-12-31 | 2020-12-31 | Spraying arm for cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011645054.5A CN114680784A (en) | 2020-12-31 | 2020-12-31 | Spraying arm for cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114680784A true CN114680784A (en) | 2022-07-01 |
Family
ID=82136250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011645054.5A Pending CN114680784A (en) | 2020-12-31 | 2020-12-31 | Spraying arm for cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114680784A (en) |
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2020
- 2020-12-31 CN CN202011645054.5A patent/CN114680784A/en active Pending
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