CN214998450U - Water pump volute for cleaning machine - Google Patents
Water pump volute for cleaning machine Download PDFInfo
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- CN214998450U CN214998450U CN202023347931.9U CN202023347931U CN214998450U CN 214998450 U CN214998450 U CN 214998450U CN 202023347931 U CN202023347931 U CN 202023347931U CN 214998450 U CN214998450 U CN 214998450U
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Abstract
The utility model relates to a water pump spiral case for cleaning machine, including last casing, lower casing, it has the first holding chamber that is used for installing first power component upper portion to go up the casing, and lower casing upper portion has the second holding chamber that is used for installing first power component lower part, and lower casing side lower part has third holding chamber, the bottom that is arranged in installing second power component and opens second water inlet, the lateral part that has water supply entering third holding chamber and opens the delivery port that has from third holding chamber output. The second accommodating cavity and the first accommodating cavity supply water in a bottom spraying mode, the third accommodating cavity supplies water in a top spraying mode and/or a middle spraying mode, and power of two paths of water flow is independently supplied by corresponding pumps, so that the lift and the water flow of each path of water flow are improved, and the cleaning effect is improved; the molded lines corresponding to the third accommodating cavity are formed by curve fitting of at least 4 points, so that the third accommodating cavity forms a flow channel structure gradually expanded along the water flow flowing direction, the water outlet is pressurized, the lift is increased, and the requirement of high-level water flow conveying is met.
Description
Technical Field
The utility model relates to a dish washer accessory technical field specifically indicates a water pump spiral case for 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 actual use, the water pump can only supply water in a single layer, and cannot supply water to the water outlet component or the multiple water outlet components. Chinese utility model patent application publication No. CN106859563A, energy-saving dishwasher (application No. CN201611232345.5), discloses a structure including a cavity for accommodating tableware and providing a cleaning space, a spray system for spraying water to clean the tableware, and a pump body for pumping water and supplying water to the spray system; the spraying system is arranged in the cavity; the water pumping end of the pump body is communicated with the cavity, and the water supply end is communicated with the spraying system; the spraying system comprises an inner water pipe and more than two sets of spraying devices, and the more than two sets of spraying devices are respectively arranged on the inner water pipe; the water supply end of the pump body is connected with a water distribution device, the water distribution device is provided with more than two water outlets corresponding to more than two sets of spraying devices, and the spraying devices are communicated with the corresponding water outlets; when the spraying device works, the water distribution device conducts more than one water outlet according to the instruction, so that more than one set of spraying device can perform cleaning work. In the above-mentioned current dish washer that can carry out bottom and spray, top sprays for the pump that supplies water for the spray system generally adopts closed structure, be about to the spiral case of washing pump and locate the box below, be provided with ability pivoted impeller in the spiral case, the water inlet of washing pump spiral case communicates with washing chamber bottom, and the delivery port of spiral case is connected with the water diversion device, and this water diversion device divides into rivers into the first branch road of supplying water to bottom spray arm and the second branch road of supplying water to top spray arm. Because the water pressure of the top spraying water and the bottom spraying water is supplied by the washing pump, the lift, the flow and the impact force of the water flow on each branch are greatly reduced after the water flow is divided, and the cleaning effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the first technical problem to provide a can provide power respectively for two way washing water and improve lift and discharge and then improve the water pump spiral case that is used for the cleaning machine of cleaning performance to the current situation of prior art.
The utility model discloses the second technical problem that will solve is to prior art's current situation, provides a water pump spiral case that is used for cleaning machine through optimizing spiral case molded lines and increase water pressure, improve the jet stream lift.
The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does: a water pump volute for a washing machine, comprising:
the upper shell is provided with a first accommodating cavity for installing the upper part of the first blade, and the top wall and/or the side wall of the upper shell are/is provided with spray holes communicated with the first accommodating cavity in a fluid mode; and
the lower shell is connected below the upper shell, a second accommodating cavity used for installing the lower part of the first blade is formed in the upper part of the lower shell, a first water inlet used for allowing water to enter the second accommodating cavity is formed in the side wall of the lower shell, a third accommodating cavity used for installing a lower impeller is formed in the lower part of the lower shell, and a second water inlet used for allowing water to enter the third accommodating cavity and a water outlet used for outputting water from the third accommodating cavity are formed in the side wall and/or the bottom wall of the lower shell;
the molded line corresponding to the third accommodating cavity is formed by curve fitting of at least 4 points, so that the third accommodating cavity forms a flow channel structure gradually expanding along the water flow flowing direction.
In the above scheme, the center of the third accommodating cavity is taken as an origin O, a horizontal line passing through the origin O is taken as an X axis, a vertical line passing through the origin O is taken as a Y axis, in the counterclockwise direction, a starting point a of a molded line corresponding to the third accommodating cavity is located in the second quadrant, an ending point H is located on a negative half shaft of the X axis and on the left side of the point a, the starting point a of the molded line is connected with a first straight line segment AM extending in the positive direction of the Y axis, the ending point H of the molded line is connected with a second straight line segment HN extending in the positive direction of the Y axis, and a water outlet passage molded line of the volute is formed between the second straight line segment HN and the first straight line segment AM. The structure is beneficial to keeping the water flow at the water outlet stable.
Preferably, the molded lines corresponding to the third accommodating cavity are fitted by a curve passing through 8 points, the first point a is located in the second quadrant, the second point B is located on the positive half shaft of the Y axis, the third point C is located in the first quadrant, the fourth point D is located on the positive half shaft of the X axis, the fifth point E is located in the fourth quadrant, the sixth point F is located on the negative half shaft of the Y axis, the seventh point G is located in the third quadrant, and the eighth point H is located on the negative half shaft of the X axis. Get up above-mentioned eight smooth connection of point with the curve and obtain centrifugal spiral case molded lines, form the runner structure that expands gradually along rivers circulation direction, rivers can slow down gradually at the in-process speed, can know by bernoulli's principle, keeps under certain condition at the flow, and the velocity of water reduces water pressure and can rise, the utility model discloses in, rivers can obtain the pressure boost by a maximum margin along glossy spiral case in inside to improve the lift of output rivers.
In the utility model, the line between the third point C and the original point O and the Y-axis positive half shaft form an included angle alpha of 40-50 degrees. And an included angle beta of 23.691-33.691 degrees is formed between a connecting line between the fifth point E and the origin O and the positive half axis of the X axis. And an included angle gamma of 40-50 degrees is formed between a connecting line between the seventh point G and the origin O and the negative half shaft of the Y axis. By adopting the structure, the water flow supercharging device is beneficial to improving the water flow supercharging effect, reducing the energy loss and keeping the water flow smooth.
Preferably, the coordinates of the first point a are (Xa, Ya), and the coordinates of the eighth point H are (Xh, 0), where Xa is-11.5 to-7.6, and is further preferably-9.699; the Ya is 23.5-31.5, and more preferably 28.5; the Xh is 47.2 to 56.5, and more preferably 51.5.
Preferably, the coordinates of the second point B are (0, Yb), the coordinates of the third point C are (Xc, Yc), and the coordinates of the fourth point D are (Xd, 0), where Yb is 35.4 to 42.5, and more preferably 37.4; xc2+Yc2＝(382～422) More preferably 40.32(ii) a Xd is 38.2 to 46.5, and more preferably 42.2.
Preferably, the coordinates of the fifth point E are (Xe, Ye), the coordinates of the sixth point F are (0, Yf), and the coordinates of the seventh point G are (Xg, Yg), wherein Xe2+Ye2＝(402～452) More preferably 43.12(ii) a Yf is 40-47, preferably 44; xg2+Yg2＝(43.12～47.22) More preferably 45.12。
The molded lines formed by adopting the parameter fitting are beneficial to improving the smoothness of the water flow, reducing the energy loss and carrying out maximum pressurization on the discharged water so as to improve the water flow jet lift and further improve the cleaning effect.
In each of the above solutions, a partition plate for dividing the second accommodating chamber and the third accommodating chamber into relatively independent chambers is disposed in the middle of the lower housing, and the third accommodating chamber forms a flat centrifugal chamber.
Compared with the prior art, the utility model has the advantages of: the utility model provides an open volute structure, wherein, the second holding cavity and the first holding cavity on the upper part supply water for bottom spraying, the third holding cavity on the lower part supply water for top and/or middle spraying, because the power of two paths of water flow is supplied by the corresponding pump independently, the lift and the water flow of each path of water flow are improved, which is beneficial to improving the cleaning effect; the molded lines corresponding to the third accommodating cavity are formed by curve fitting of at least 4 points, so that the third accommodating cavity forms a flow channel structure gradually expanded along the water flow flowing direction, the water outlet is pressurized, the lift is increased, and the requirement of high-level water flow conveying is met.
Drawings
FIG. 1 is a schematic view of a partial structure of a volute according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;
FIG. 3 is a cross-sectional view of FIG. 1;
fig. 4 is a schematic structural diagram of a volute profile according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a dual pump system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The volute structure of the embodiment is suitable for a double-pump system, namely a pump system capable of providing bidirectional power, the double-pump system can be applied to a dish washing machine with a large volume, and water is supplied for bottom spraying, top spraying and/or middle spraying, and certainly, the volute structure is not limited to the use environment.
As shown in fig. 1 to 5, the volute structure of the present embodiment includes an upper housing 3 and a lower housing 4, the upper housing 3 has a body extending in a length direction, a first accommodating cavity 31 is formed in a central portion of the body for installing an upper portion of the first power component 1, flow channels communicated with the first accommodating cavity 31 are respectively formed on two sides of the body, and a nozzle hole communicated with the flow channels is formed in a top wall of the upper housing 3. The lower shell 4 is connected below the upper shell 3, the upper part of the lower shell 4 is provided with a second accommodating cavity 41 for installing the lower part of the first power component 1, the second accommodating cavity 41 is correspondingly communicated with the first accommodating cavity 31, and the side part of the lower shell 4 is provided with a first water inlet 411 for water to enter the second accommodating cavity 41; the lower part of the lower shell 4 is provided with a third accommodating cavity 42 for installing the second power component 2, the bottom of the lower shell 4 is provided with a second water inlet 421 for water to enter the third accommodating cavity 42, and the side part of the lower shell 4 is provided with a water outlet 422 for water to be output from the third accommodating cavity 42.
Specifically, as shown in fig. 3 and 5, a partition plate 43 for dividing the second accommodating chamber 41 and the third accommodating chamber 42 into relatively independent chambers is disposed in the middle of the lower housing 4. The second accommodating cavity 41 and the third accommodating cavity 42 are relatively independent, so that independent water supply for bottom spraying, top spraying and/or middle spraying is facilitated, mutual fluid disturbance is reduced, capacity loss is reduced, and water flow lift, water flow and jet force are improved.
The third accommodating cavity 42 is located below the partition plate 43 and is approximately disc-shaped, the second water inlet 421 is arranged at the center of the bottom wall of the lower shell 4, and the water outlet 422 is tangentially connected with the third accommodating cavity 42 through the guide pipeline 423, so that the structure is favorable for reducing the capacity loss of the third accommodating cavity 42 in outputting water flow.
The second accommodating cavity 41 is located above the partition 43 and extends vertically, and the inner diameter of the second accommodating cavity 41 is smaller than the inner diameter of the third accommodating cavity 42 and is matched with the lower portion of the first power component 1. This configuration is advantageous in reducing the loss of water flow through the second receiving chamber 41.
In the present embodiment, the first power unit 1 is a centrifugal impeller at the upper part, an axial-flow impeller at the lower part, and a centrifugal impeller at the second power unit 2. A driving part 5 is arranged below the volute, an output shaft 51 of the driving part 5 sequentially penetrates through the second water inlet 421, the third accommodating cavity 42 and the second accommodating cavity 41 upwards to extend into the first accommodating cavity 31, and the output shaft 51 is connected with the first power part 1 and the second power part 2 and used for driving the first power part 1 and the second power part 2 to rotate.
In the present embodiment, the molded line corresponding to the third accommodating cavity 42 is formed by curve fitting through at least 4 points, so that the third accommodating cavity 42 forms a flow passage structure gradually expanding along the water flow flowing direction.
Specifically, as shown in fig. 4, the center of the third accommodating cavity 42 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 in the counterclockwise direction, the starting point a of the molded line corresponding to the third accommodating cavity 42 is located in the second quadrant, the ending point H is located on the negative half axis of the X axis and on the left side of the point a, the starting point a of the molded line is connected with a first straight line segment AM extending in the positive direction of the Y axis, the ending point H of the molded line is connected with a second straight line segment HN extending in the positive direction of the Y axis, a water outlet passage molded line of the volute is formed between the second straight line segment HN and the first straight line segment AM, and the water outlet passage molded line corresponds to the guiding pipeline 423. The structure is beneficial to keeping the water flow at the water outlet stable.
The molded lines corresponding to the third accommodating cavity 42 are fitted by a curve passing through 8 points, the first point a is located in the second quadrant, the second point B is located on the positive half shaft of the Y axis, the third point C is located in the first quadrant, the fourth point D is located on the positive half shaft of the X axis, the fifth point E is located in the fourth quadrant, the sixth point F is located on the negative half shaft of the Y axis, the seventh point G is located in the third quadrant, and the eighth point H is located on the negative half shaft of the X axis. Get up above-mentioned eight smooth connection of point with the curve and obtain centrifugal spiral case molded lines, form the runner structure that expands gradually along rivers circulation direction, rivers can slow down gradually at the in-process speed, can know by bernoulli's principle, keeps under certain condition at the flow, and the velocity of water reduces water pressure and can rise, the utility model discloses in, rivers can obtain the pressure boost by a maximum margin along glossy spiral case in inside to improve the lift of output rivers.
An included angle alpha of 40-50 degrees is formed between a connecting line between the third point C and the origin O and the positive half shaft of the Y axis, and the included angle alpha is preferably 45 degrees. An included angle beta of 23.691-33.691 degrees is formed between a connecting line between the fifth point E and the origin O and the positive half shaft of the X axis, and is preferably 28.691 degrees. An included angle gamma of 40-50 degrees is formed between a connecting line between the seventh point G and the origin O and the negative half shaft of the Y axis, and the included angle gamma is preferably 45 degrees. By adopting the structure, the water flow supercharging device is beneficial to improving the water flow supercharging effect, reducing the energy loss and keeping the water flow smooth.
The coordinates of the first point a are (Xa, Ya), and the coordinates of the eighth point H are (Xh, 0), wherein Xa is-11.5 to-7.6, preferably-9.699; the Ya is 23.5-31.5, preferably 28.5; the Xh is 47.2-56.5, preferably 51.5. The coordinates of the second point B are (0, Yb), the coordinates of the third point C are (Xc, Yc), and the coordinates of the fourth point D are (Xd, 0), where Yb is 35.4 to 42.5, preferably 37.4; xc2+Yc2＝(382～422) Preferably 40.32(ii) a Xd is 38.2-46.5, preferably 42.2. The coordinates of the fifth point E are (Xe, Ye), the coordinates of the sixth point F are (0, Yf), and the coordinates of the seventh point G are (Xg, Yg), wherein Xe2+Ye2＝(402～452) Preferably 43.12(ii) a Yf is 40-47, preferably 44; xg2+Yg2＝(43.12～47.22) Preferably 45.12。
The molded lines formed by adopting the parameter fitting are beneficial to improving the smoothness of the water flow, reducing the energy loss and carrying out maximum pressurization on the discharged water so as to improve the water flow jet lift and further improve the cleaning effect.
Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.
Claims (10)
1. A water pump spiral case for cleaning machine which characterized in that: comprises that
The upper shell (3) is provided with a first accommodating cavity (31) for mounting the upper part of the first power component (1), and the top wall and/or the side wall of the upper shell (3) is/are provided with spray holes communicated with the first accommodating cavity (31) in a fluid mode; and
the lower shell (4) is connected below the upper shell (3), a second accommodating cavity (41) used for installing the lower part of the first power component (1) is formed in the upper part of the lower shell (4), a first water inlet (411) for supplying water into the second accommodating cavity (41) is formed in the side part of the lower shell (4), a third accommodating cavity (42) used for installing the second power component (2) is formed in the lower part of the lower shell (4), a second water inlet (421) for supplying water into the third accommodating cavity (42) is formed in the bottom part of the lower shell (4), and a water outlet (422) for supplying water out of the third accommodating cavity (42) is formed in the side part of the lower shell (4);
the molded line corresponding to the third accommodating cavity (42) is formed by curve fitting of at least 4 points, so that the third accommodating cavity (42) forms a flow channel structure gradually expanding along the water flow flowing direction.
2. The water pump volute for a washing machine as recited in claim 1, wherein: the center of the third accommodating cavity (42) 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, along the anticlockwise direction, the starting point A of a molded line corresponding to the third accommodating cavity (42) is positioned in a second quadrant, the ending point H is positioned on a negative half shaft of the X axis and positioned on the left side of the point A, the starting point A of the molded line is connected with a first straight line section AM extending along the positive direction of the Y axis, the ending point H of the molded line is connected with a second straight line section HN extending along the positive direction of the Y axis, and a water outlet channel molded line of the volute is formed between the second straight line section HN and the first straight line section AM.
3. The water pump volute for a washing machine as recited in claim 2, wherein: the molded lines corresponding to the third accommodating cavity (42) are fitted by a curve passing through 8 points, the first point A is located in the second quadrant, the second point B is located on the positive half shaft of the Y axis, the third point C is located in the first quadrant, the fourth point D is located on the positive half shaft of the X axis, the fifth point E is located in the fourth quadrant, the sixth point F is located on the negative half shaft of the Y axis, the seventh point G is located in the third quadrant, and the eighth point H is located on the negative half shaft of the X axis.
4. The water pump volute for a washing machine as recited in claim 3, wherein: and a connecting line between the third point C and the origin O forms 40-50 degrees with the positive half shaft of the Y axis.
5. The water pump volute for a washing machine as recited in claim 3, wherein: and a connecting line between the fifth point E and the origin O and the positive half shaft of the X axis form 23.691-33.691 degrees.
6. The water pump volute for a washing machine as recited in claim 3, wherein: and a connecting line between the seventh point G and the origin O forms a 40-50 degree angle with the Y-axis negative half shaft.
7. The water pump volute for a washing machine as recited in claim 3, wherein: the coordinates of the first point A are (Xa, Ya), and the coordinates of the eighth point H are (Xh, 0), wherein Xa is-11.5 to-7.6, Ya is 23.5 to 31.5, and Xh is 47.2 to 56.5.
8. The water pump volute for a washing machine as recited in claim 7, wherein: the coordinates of the second point B are (0, Yb), the coordinates of the third point C are (Xc, Yc), and the coordinates of the fourth point D are (Xd, 0), where Yb is 35.4-42.5, and Xc is2+Yc2＝(382～422)，Xd＝38.2～46.5。
9. The water pump volute of claim 8, wherein: the coordinates of the fifth point E are (Xe, Ye), the coordinates of the sixth point F are (0, Yf), and the coordinates of the seventh point G are (Xg, Yg), wherein Xe2+Ye2＝(402～452)，Yf＝40～47，Xg2+Yg2＝(43.12～47.22)。
10. The water pump volute for a washing machine as recited in claim 1, wherein: the middle part of the lower shell (4) is provided with a partition plate (43) which is used for dividing the second accommodating cavity (41) and the third accommodating cavity (42) into relatively independent cavities, and the third accommodating cavity (42) forms a flat centrifugal chamber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023347931.9U CN214998450U (en) | 2020-12-31 | 2020-12-31 | Water pump volute for cleaning machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023347931.9U CN214998450U (en) | 2020-12-31 | 2020-12-31 | Water pump volute for cleaning machine |
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| CN214998450U true CN214998450U (en) | 2021-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434950A (en) * | 2022-09-30 | 2022-12-06 | 赛力斯集团股份有限公司 | Water pump assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434950A (en) * | 2022-09-30 | 2022-12-06 | 赛力斯集团股份有限公司 | Water pump assembly |
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