CN109589069B - Spray arm and cleaning machine applying same - Google Patents
Spray arm and cleaning machine applying same Download PDFInfo
- Publication number
- CN109589069B CN109589069B CN201710916381.1A CN201710916381A CN109589069B CN 109589069 B CN109589069 B CN 109589069B CN 201710916381 A CN201710916381 A CN 201710916381A CN 109589069 B CN109589069 B CN 109589069B
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- CN
- China
- Prior art keywords
- spray arm
- arm body
- air inlet
- water flow
- water
- 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.)
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- 239000007921 spray Substances 0.000 title claims abstract description 87
- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 238000005273 aeration Methods 0.000 claims abstract description 21
- 239000004575 stone Substances 0.000 claims abstract description 21
- 238000005406 washing Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 235000021186 dishes Nutrition 0.000 abstract description 2
- 235000013399 edible fruits Nutrition 0.000 abstract description 2
- 235000013311 vegetables Nutrition 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract 1
- 238000004851 dishwashing Methods 0.000 description 11
- 238000005507 spraying Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
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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
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/22—Rotary spraying devices
-
- 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
- A47L15/02—Washing or rinsing machines for crockery or tableware with circulation and agitation of the cleaning liquid in the cleaning chamber containing a stationary basket
- A47L15/10—Washing or rinsing machines for crockery or tableware with circulation and agitation of the cleaning liquid in the cleaning chamber containing a stationary basket by introducing compressed air or other gas into the liquid
-
- 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
-
- 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
- A47L2601/00—Washing methods characterised by the use of a particular treatment
- A47L2601/03—Pressurised, gaseous medium, also used for delivering of cleaning liquid
-
- 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
- A47L2601/00—Washing methods characterised by the use of a particular treatment
- A47L2601/16—Agitation of cleaning liquid by impeller
Landscapes
- Washing And Drying Of Tableware (AREA)
Abstract
The invention relates to a spray arm and a cleaning machine using the same. According to the invention, the phenomenon that negative pressure is generated between the spray arm body and the inner bottom wall of the washing cavity in the rotation process of the spray arm is utilized, the air inlet and the aeration stone are arranged on the lower surface of the spray arm body, when the washing cavity is used, water flow in the spray arm body is continuously sprayed out through the water outlet, the water flow is sprayed out to enable negative pressure difference to be generated below the spray arm body, air is sucked into the spray arm through the aeration stone under the action of the negative pressure difference and cavitation is generated with the water flow to generate bubbles in the water flow, and when water flow mixed with the bubbles sprays to dishes, the bubbles in the water flow contact with the dishes to generate cracking and generate larger impact force, so that stubborn dirt on the dishes or vegetables and fruits is dispersed, and a better cleaning effect is achieved.
Description
Technical Field
The invention relates to the technical field of dish washing machines, in particular to a spray arm capable of enabling bubbles to be entrained in sprayed water flow and a washing machine using the spray arm.
Background
With the increasing level of living of people, dish washers are increasingly entering home as household electrical appliances for kitchen use. The existing dish-washing machines on the market are generally divided into three types of a desk type dish-washing machine, a cabinet type dish-washing machine and a trough type dish-washing machine, wherein the desk type dish-washing machine is of an integral independent structure and is generally placed on a desk for use; the cabinet type dish washer is also an independent structure, but needs to be embedded into a kitchen cabinet for use; the tub dishwasher is combined with a tub and is generally installed in a kitchen cabinet.
The dish washing machine of the above-mentioned various forms generally has a washing function by lifting water by a water pump and spraying the water toward dishes in a washing space. For example, the chinese patent with application number CN97236119.7, i.e. a microcomputer light-operated full-automatic dish washer, and the chinese patent with application number CN00240098.7, i.e. a dish washer, all disclose similar structures, in which the impact force of water flow sprayed to the dishes is weak and not uniform enough, and when the number of dishes is large, the water flow cannot be covered, resulting in poor cleaning effect. The chinese patent with application number CN200710306898.5, "dish washing machine, especially household dish washing machine, provided with a device for improving decontamination effect" provides a vaporizing device for generating a fluid mist that can be introduced into a dish washing machine cavity to expand the washing area of the dishes and improve the uniformity of the washing medium, but such a structure still cannot solve the problem of weak impact force of the sprayed water flow. The Chinese patent with the application number of 201610795828.X, namely a large-scale ultrasonic automatic dish washer, is provided with an ultrasonic emission head device, high-pressure air is input into a cleaning liquid at the same time, the input high-pressure air forms bubbles in the cleaning liquid by utilizing the ultrasonic emission head device, and an ultrasonic transducer is used for providing energy for the cleaning liquid, so that the bubbles in the cleaning liquid are broken to generate impact force, and the impact force of water flow is improved. However, in such a structure, the instantaneous cavitation phenomenon generated between the ultrasonic wave and the high-pressure air bubbles needs to be maintained in water, and when the water flow is lifted by the water pump and is circularly sprayed out, the high-pressure air bubbles are difficult to reach the surfaces of the dishes, and then break, so that the structure is not suitable for the structure of the water flow spraying type dish washing machine. In addition, the structure is only suitable for large-scale dish washers, and is difficult to be suitable for household dish washers.
Disclosure of Invention
The invention aims to solve the technical problem of providing a spray arm which can increase the impact strength on an object to be cleaned by forming bubbles in water flow so as to improve the cleaning effect.
Another technical problem to be solved by the present invention is to provide a cleaning machine using the spray arm, which improves impact strength on the object to be cleaned and thus improves cleaning effect, aiming at the current state of the art.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a spray arm, thereby including spray arm body, thereby this spray arm body inside cavity forms the water storage chamber, water inlet and the apopore that are linked together with this water storage chamber have been seted up on the spray arm body, its characterized in that: an air inlet is formed in the bottom of the spray arm, and an aeration stone which allows air to pass through and prevents water flow from passing through is arranged on the air inlet.
Preferably, the water outlet hole is formed in the upper surface of the spray arm body, the air inlet is formed in the lower surface of the spray arm body, and the air inlet and the corresponding water outlet hole are oppositely arranged. The water outlet hole and the air inlet are both formed into a round shape, and the central axes of the air inlet and the corresponding water outlet hole are positioned on the same straight line. By adopting the structure, the pressure difference caused by water flow when the water outlet hole of the self-spraying arm body is sprayed out can just suck the air in the washing cavity into the spraying arm through the aeration stone at the air inlet, so that the gas quantity entering the spraying arm is improved, the entrainment quantity of bubbles in the water flow is improved, and the impact effect of the water flow is enhanced.
As an improvement, the lower surface of the spray arm body is inwards recessed to form a recessed area, and the air inlet is arranged in the recessed area. Preferably, the top wall of the concave area is horizontal, and two side walls of the concave area gradually incline outwards from top to bottom along the length direction of the spray arm to form a smooth transitional inclined plane, so that the opening section of the concave area gradually expands from top to bottom. The structure is favorable for further increasing the pressure difference at the air inlet and is more favorable for sucking air.
Preferably, the water inlet is arranged at the central part of the bottom of the spray arm body, and at least one air inlet is respectively arranged at two sides of the water inlet. Preferably, two air inlets are respectively formed in two sides of the water inlet, and each air inlet corresponds to one water outlet hole. By adopting the structure, the gas amount sucked into the spray arm can be further increased, so that the entrainment amount of bubbles in water flow is improved, and the impact effect of the water flow is enhanced.
And the spray arm body is internally provided with an impeller capable of stirring fluid, and the impeller is arranged on the inner top wall of the spray arm body and positioned between two adjacent water outlets. Preferably, the impeller is rotatably disposed on the inner top wall of the spray arm body by a connecting shaft. By adopting the structure, the impeller can automatically rotate under the impact of water flow, and the rotation of the impeller can play a role in stirring the water flow, so that the mixing degree of gas and the water flow is improved, bubbles are fused into the water flow in a trend of small volume and a large number, and the impact effect of the water flow is further enhanced.
In order to be convenient for assemble, the aeration stone is located in the air inlet through coupling assembling, coupling assembling is including dress group and sealing washer, the aeration stone is located in the dress group, be provided with on the lower surface of spray arm body around the air inlet and supply the draw-in groove of dress cover embedding, the sealing washer centre gripping is between the upper surface of dress cover and the interior roof of draw-in groove.
Preferably, in the assembled state, the lower surface of the aeration stone is hidden in the clamping groove or is flush with the lower surface of the spray arm body. The structure is adopted to increase the pressure difference at the air inlet, which is beneficial to the suction of air.
The utility model provides an use cleaning machine who has above-mentioned spray arm, includes the box, and this box has washing chamber, its characterized in that: the spray arm body is rotatably arranged in the washing cavity.
Compared with the prior art, the invention has the advantages that: according to the invention, the phenomenon that negative pressure is generated between the spray arm body and the inner bottom wall of the washing cavity in the rotation process of the spray arm is utilized, the air inlet is formed in the lower surface of the spray arm body, and the aeration stone which allows air to pass through and prevents water flow from passing through is arranged in the air inlet.
Drawings
FIG. 1 is a schematic view of a spray arm according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 at another angle;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is an exploded view of FIG. 2;
FIG. 5 is a schematic view showing the structure of a cleaning machine according to embodiment 1 of the present invention;
FIG. 6 is a schematic view of a spray arm according to embodiment 2 of the present invention;
fig. 7 is a schematic view of the structure of a shower arm according to embodiment 3 of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 5, the spray arm of the present embodiment includes a spray arm body 1, the spray arm body 1 is hollow to form a water storage cavity 10, and a water inlet 11 and a water outlet 12 which are communicated with the water storage cavity 10 are provided on the spray arm body 1.
In this embodiment, the water inlet 11 is formed on the lower surface of the shower arm body 1 and is located at the central portion of the shower arm body 1. The water outlet holes 12 are a plurality of and are arranged on the upper surface of the spray arm body 1 at intervals. An air inlet 13 is formed in the bottom of the spray arm body 1, and an aeration stone 14 which allows air to pass through and prevents water flow from passing through is arranged on the air inlet 13. The number of the air inlets 13 in the embodiment is four, and the air inlets 13 are symmetrically arranged on two sides of the water inlet 11, and the area of the air inlets 13 close to the water inlet 11 is larger than the area of the air inlets 13 far away from the water inlet 11. Each air inlet 13 is arranged opposite to one water outlet hole 12, the water outlet holes 12 and the air inlets 13 of the embodiment are all shaped into circles, and the central axes of the air inlets 13 and the corresponding water outlet holes 12 are positioned on the same straight line. By adopting the structure, the pressure difference caused by the water flow when the water is sprayed out from the water outlet 12 of the spray arm body 1 can just suck the air in the washing cavity 30 of the cleaning machine into the spray arm body 1 through the aeration stone 14 at the air inlet 13, so that the gas quantity entering the spray arm body 1 is improved, the entrainment quantity of bubbles in the water flow is improved, and the impact effect of the water flow is enhanced.
The aeration stone 14 in this embodiment is disposed in the air inlet 13 through the connection component 2, the connection component 2 comprises a fitting group 21 and a sealing ring 22, a concave ring 211 arranged along the circumferential direction is arranged on the inner peripheral wall of the fitting group 21, the aeration stone 14 is mounted in the concave ring 211 through interference fit, a clamping groove 15 which is arranged around the air inlet 13 and is used for embedding the fitting group 21 is arranged on the lower surface of the spray arm body 1, and the fitting group 21 provided with the aeration stone 14 is embedded in the clamping groove 15 and is in locking connection with the spray arm body 1 through a screw. The upper surface of the assembly 21 is provided with a first groove 212 which is arranged along the circumferential direction, and correspondingly, the inner top wall of the clamping groove 15 is provided with a second groove 151 which is close to the edge of the air inlet 13 and is concavely formed inwards, and the sealing ring 22 is clamped in the first groove 212 and the second groove 151, so that water flow is prevented from passing through the air inlet 13 from the edge of the aeration stone 14. In the assembled state, the lower surface of the aeration stone 14 is hidden in the clamping groove 15 or is flush with the lower surface of the spray arm body 1. Such a structure is adopted in order to increase the pressure difference at the air inlet 13, facilitating the intake of air.
The cleaning machine with the spray arm in this embodiment includes a box 3 and a spray arm body 1, the box 3 has a cleaning chamber 30, and the spray arm body 1 is rotatably disposed in the cleaning chamber 30 and is located at the bottom of the cleaning chamber 30.
According to the embodiment, the phenomenon that negative pressure is generated between the spray arm body 1 and the inner bottom wall of the washing cavity 30 in the rotating process of the spray arm is utilized, the air inlet 13 is formed in the lower surface of the spray arm body 1, the aeration stone 14 allowing air to pass through and preventing water flow from passing through is arranged in the air inlet 13, when the spray arm is used, water flow in the spray arm body 1 is continuously sprayed out through the water outlet 12, the water flow is sprayed out to enable negative pressure difference to be generated below the spray arm body 1, air is sucked into the spray arm through the aeration stone 14 under the action of the negative pressure difference and cavitation is generated in the water flow with the water flow, and when the water flow mixed with the air bubbles sprays to dishes, the air bubbles in the water flow contact with the dishes to break and generate larger impact force, so that stubborn dirt on the dishes or vegetables and fruits is scattered, and a better cleaning effect is achieved.
Example 2:
as shown in fig. 6, this embodiment differs from embodiment 1 only in that: the lower surface of the shower arm body 1 in this embodiment is concavely formed with a concave region 16, and the air inlet 13 is provided in the concave region 16. The top wall of the concave area 16 is horizontal, and two side walls of the concave area 16 gradually incline outwards from top to bottom along the length direction of the spray arm body 1 to form a smooth transitional inclined plane 161, so that the opening section of the concave area 16 gradually expands from top to bottom. This structure is advantageous in that the pressure difference at the air inlet 13 is further increased, and air is more advantageously sucked.
Example 3:
as shown in fig. 7, this embodiment differs from embodiments 1 and 2 only in that: the spray arm body 1 of the present embodiment is provided with an impeller 4 capable of stirring a fluid, and the impeller 4 is disposed on an inner top wall of the spray arm body 1 and between two adjacent water outlets 12. The impeller 4 is rotatably arranged on the inner top wall of the spray arm body 1 through a connecting shaft. By adopting the structure, the impeller 4 can automatically rotate under the impact of water flow, and the rotation of the impeller 4 can play a role in stirring the water flow, so that the mixing degree of gas and the water flow is improved, bubbles are fused into the water flow in a trend of small volume and a large number, and the impact effect of the water flow is further enhanced.
Claims (8)
1. The utility model provides a spray arm, includes spray arm body (1), thereby this spray arm body (1) inside cavity forms water storage chamber (10), water inlet (11) and apopore (12) that are linked together with this water storage chamber (10) are seted up on spray arm body (1), its characterized in that: an air inlet (13) is formed in the bottom of the spray arm body (1), and an aeration stone (14) which allows air to pass through and prevents water flow from passing through is arranged on the air inlet (13);
the water outlet hole (12) is formed in the upper surface of the spray arm body (1), the air inlet (13) is formed in the lower surface of the spray arm body (1), and the air inlet (13) and the water outlet hole (12) are oppositely arranged; the lower surface of the spray arm body (1) is inwards recessed to form a recessed area (16), and the air inlet (13) is arranged in the recessed area (16).
2. The spray arm of claim 1, wherein: the water outlet holes (12) and the air inlets (13) are all formed into circles, and the central axes of the air inlets (13) and the corresponding water outlet holes (12) are positioned on the same straight line.
3. The spray arm of claim 1, wherein: the top wall of the concave region (16) is horizontal, and two side walls of the concave region (16) gradually incline outwards from top to bottom along the length direction of the spray arm body (1) to form a smooth transitional inclined plane (161), so that the opening section of the concave region (16) gradually expands from top to bottom.
4. A spray arm according to any one of claims 1 to 3, wherein: the water inlet (11) is arranged at the central part of the bottom of the spray arm body (1), and at least one air inlet (13) is respectively formed in two sides of the water inlet (11).
5. A spray arm according to any one of claims 1 to 3, wherein: the spray arm body (1) is internally provided with an impeller (4) capable of stirring fluid, and the impeller (4) is arranged on the inner top wall of the spray arm body (1) and positioned between two adjacent water outlet holes (12).
6. A spray arm according to any one of claims 1 to 3, wherein: the aeration stone (14) is arranged in the air inlet (13) through the connecting component (2), the connecting component (2) comprises an assembling sleeve (21) and a sealing ring (22), the aeration stone (14) is arranged in the assembling sleeve (21), a clamping groove (15) which is arranged around the air inlet (13) and is used for being embedded by the assembling sleeve is formed in the lower surface of the spray arm body (1), and the sealing ring (22) is clamped between the upper surface of the assembling sleeve (21) and the inner top wall of the clamping groove (15).
7. The spray arm of claim 6, wherein: in the assembled state, the lower surface of the aeration stone (14) is hidden in the clamping groove (15) or is flush with the lower surface of the spray arm body (1).
8. A cleaning machine with a spray arm according to any one of claims 1 to 7, comprising a tank (3), the tank (3) having a washing chamber (30), characterized in that: the washing machine also comprises a spray arm body (1), wherein the spray arm body (1) is rotatably arranged in the washing cavity (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916381.1A CN109589069B (en) | 2017-09-30 | 2017-09-30 | Spray arm and cleaning machine applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916381.1A CN109589069B (en) | 2017-09-30 | 2017-09-30 | Spray arm and cleaning machine applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109589069A CN109589069A (en) | 2019-04-09 |
| CN109589069B true CN109589069B (en) | 2024-01-16 |
Family
ID=65955876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710916381.1A Active CN109589069B (en) | 2017-09-30 | 2017-09-30 | Spray arm and cleaning machine applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109589069B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202036072U (en) * | 2011-04-27 | 2011-11-16 | 比亚迪股份有限公司 | Fruit and vegetable cleaning machine |
| CN202112953U (en) * | 2011-05-31 | 2012-01-18 | 比亚迪股份有限公司 | Fruit and vegetable cleaning machine |
-
2017
- 2017-09-30 CN CN201710916381.1A patent/CN109589069B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202036072U (en) * | 2011-04-27 | 2011-11-16 | 比亚迪股份有限公司 | Fruit and vegetable cleaning machine |
| CN202112953U (en) * | 2011-05-31 | 2012-01-18 | 比亚迪股份有限公司 | Fruit and vegetable cleaning machine |
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| Publication number | Publication date |
|---|---|
| CN109589069A (en) | 2019-04-09 |
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