CN210810868U - Dish washer spray arm and fountain dish washer - Google Patents
Dish washer spray arm and fountain dish washer Download PDFInfo
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- CN210810868U CN210810868U CN201921348811.5U CN201921348811U CN210810868U CN 210810868 U CN210810868 U CN 210810868U CN 201921348811 U CN201921348811 U CN 201921348811U CN 210810868 U CN210810868 U CN 210810868U
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Abstract
The utility model discloses a dish washer spray arm and fountain dish washer, this spray arm top surface is equipped with the nozzle that is used for spraying washing water, the bottom is equipped with downwardly extending's inlet channel, this inlet channel's inner chamber is equipped with the acceleration rate water course, the area of crossing of the inner chamber of this inlet channel both sides is greater than the area of crossing of this acceleration rate water course about this acceleration rate water course, the position of this inlet channel's lateral wall on this acceleration rate water course is equipped with the suction hole, rivers increase in speed when this acceleration rate water course in the middle of following this suction hole suction in order with the outside air this inlet channel. When rivers got into acceleration rate water course, the velocity of flow can increase suddenly, according to the venturi principle, acceleration rate water course upside can form the negative pressure to inhale outside air through the suction hole, realize the aqueous vapor and mix. The utility model discloses a set up acceleration rate water course and suction hole at the inlet channel and realize that the aqueous vapor mixes, the structure is very simple, has the advantage of easy die sinking, easy production.
Description
Technical Field
The utility model relates to a dish washer spray arm and dish washer especially relate to the dish washer spray arm and the spray dish washer of fountain.
Background
When the early dish-washing machine washes dishes, the tableware on the dish rack is wholly soaked in washing water, and the tableware is driven to stir the washing water through the linear reciprocating movement or the rotary movement of the dish rack, so that the aim of washing is fulfilled. On one hand, the washing mode has large water consumption, and on the other hand, the washing water does not have a scouring effect on the tableware, so that the washing effect is not good.
Most of the latter dish-washing machines adopt a water spraying cleaning mode, and the sprayed water column can generate larger impact force to brush the tableware, so that better cleaning effect is achieved. In particular, if air is mixed into the water column, the washing force of water can be further increased to enhance the washing performance, for example, the invention patent application of application No. 201310412150.9 discloses a dish washer which can mix the washing water and the air and then spray the mixed water, the dish washer is additionally provided with an air mixing unit in the spray arm or the water supply channel for supplying water to the spray arm, the air is sucked by the air mixing unit and mixed with the washing water when the water body flows rapidly, and the spray pressure is increased.
However, the structure of the air mixing unit comprises a compression pipe, an air suction hole, an air inlet hole and a buffer part, the structure is complex, the space of the inner cavity of the injection arm and the inner cavity of the water supply flow channel is very small, the air mixing unit with the complex structure is arranged in a closed and narrow space, the difficulty of the production process is quite large, and the manufacturing is difficult. Moreover, the air mixing unit has very narrow air suction holes and integrally formed air passages, and is difficult to clean and dredge after residue blockage occurs in the using process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a simple structure and dish washer spray arm and fountain dish washer of easy production manufacturing. The utility model provides a technical scheme that its technical problem adopted is:
the spray arm of the dish washer is characterized in that a nozzle for spraying cleaning water is arranged on the top surface of the spray arm, a water inlet pipeline extending downwards is arranged at the bottom of the spray arm, a speed-increasing water channel is arranged in an inner cavity of the water inlet pipeline, the water passing area of the inner cavity of the water inlet pipeline on the upper side and the lower side of the speed-increasing water channel is larger than that of the speed-increasing water channel, an air suction hole is formed in the position, above the speed-increasing water channel, of the side wall of the water inlet pipeline, and when water flows through the speed-increasing water channel, the flow.
In a preferred embodiment: a partition plate is arranged in the water inlet pipeline, a water through hole is formed in the partition plate, and the water through hole forms the speed-increasing water channel.
In a preferred embodiment: the water through holes are distributed in a plurality.
In a preferred embodiment: the baffle plate is a conical panel with the middle part protruding upwards.
Spray type dish washer, including basin and the water supply system who sets up in this basin below, still include the spray arm, this spray arm top surface is equipped with the nozzle that is used for spraying to wash water, the bottom is equipped with downwardly extending's inlet channel, the inner chamber of this inlet channel is equipped with speed-increasing water course, the area of crossing of the inner chamber of this inlet channel both sides about this speed-increasing water course is greater than the area of crossing of this speed-increasing water course, the lateral wall of this inlet channel is equipped with the suction hole in the position on this speed-increasing water course, rivers increase in velocity of flow when this speed-increasing water course in order to follow this suction hole with outside air in the middle of this inlet channel, this spray arm rotationally sets up in the middle of this basin, this spray arm's inlet channel and this water.
In a preferred embodiment: the upper part of the water supply system is provided with a water outlet joint, the water outlet joint is provided with a water outlet of the water supply system, the water outlet joint extends into the water tank, the water inlet pipeline is rotatably inserted with the water outlet joint, and outside air is communicated to the air suction hole from a gap between the water inlet pipeline and the water outlet joint; when the water inlet pipeline is sleeved outside the water outlet joint, the liquid level is lower than the air suction hole; when the water outlet joint is sleeved outside the water inlet pipeline sleeve, the liquid level is lower than the upper end face of the water outlet joint.
In a preferred embodiment: two sealing rings are arranged between the water inlet pipeline and the water outlet joint and are respectively positioned at the upper side and the lower side of the speed-increasing water channel.
In a preferred embodiment: the cross-sectional shape of the seal ring is V-shaped, and the opening is disposed downward.
In a preferred embodiment: the outer edge of the top surface of the water outlet joint protrudes outwards to form a circle of clamping ring, the bottom of the spray arm extends downwards to form a clamping jaw, and the clamping ring is buckled with the clamping jaw together.
In a preferred embodiment: the water tank is communicated with a water inlet of the water supply system, and a water inlet of the filter extends upwards from the bottom surface of the water tank; the water inlet pipeline is inserted into the water outlet joint.
Compared with the background technology, the technical scheme has the following advantages:
1. the inlet channel that sprays the arm sets up one section acceleration rate water course, because the area of crossing water of acceleration rate water course is less than the area of crossing water of the inner chamber of this inlet channel both sides about this acceleration rate water course, when rivers get into acceleration rate water course, the velocity of flow can increase suddenly, according to the venturi principle, acceleration rate water course upside can form the negative pressure to inhale outside air through the suction hole, realize the aqueous vapor mixture. The utility model discloses a set up acceleration rate water course and suction hole at the inlet channel and realize that the aqueous vapor mixes, the structure is very simple, has the advantage of easy die sinking, easy production.
2. The water inlet pipeline is internally provided with the partition plate to realize the great reduction of the water passing area, and the structure is simple. The partition plate is provided with a plurality of water passing holes, so that the water spraying amount of the spray arm can be increased as much as possible.
3. The baffle is in a conical surface shape, and can gather the accelerated water flow to form stronger washing capacity.
4. The water inlet pipeline and the water outlet joint are rotatably inserted together, one spraying arm can rotate and spray cleaning water to the periphery, and the gap between the water inlet pipeline and the water outlet joint just provides a space for air to flow, so that the structure is simple.
5. Sealing rings are respectively arranged on the upper side and the lower side of the speed-increasing water channel between the water inlet pipeline and the water outlet joint, so that water can be prevented from seeping from gaps, and air suction cannot be influenced when negative pressure is generated. Particularly, when the V-shaped sealing ring is adopted, the V-shaped sealing ring has better deformability, and air can be sucked more smoothly.
6. The snap ring of the water outlet connector is buckled with the clamping jaw of the spray arm, so that the spray arm is prevented from being separated from the water outlet connector when rotating, and the structure is simple.
7. The water inlet pipeline is rotatably inserted into the water outlet connector, the water inlet pipeline and the water outlet connector can be detached, and the water inlet pipeline can be directly detached to be washed and cleaned if blockage occurs, so that the use is very convenient.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is an exploded view of the spray dishwasher of the present invention.
FIG. 2 is an exploded view of the spray arm and water supply of the spray dishwasher of FIG. 1.
Fig. 3 shows a schematic sectional view of a spray arm of the spray dishwasher of fig. 1.
Fig. 4 is a schematic perspective cross-sectional view of the spray dishwasher of fig. 1.
FIG. 5 is a schematic partial cross-sectional view of the spray dishwasher of FIG. 1.
Detailed Description
Referring to fig. 1 to 5, the spray dishwasher includes a tub 10, a water supply system 20 disposed under the tub 10, and a spray arm 30 rotatably disposed in the tub 10, the water supply system 20 supplies water to the spray arm 30, and the spray arm 30 mixes water and air and then sprays the mixed water to clean dishes in the tub 10.
The spray arm 30 is provided at a top surface thereof with a plurality of nozzles 31 for spraying washing water. A water inlet pipe 32 extending downwards is arranged at the bottom of the spray arm 30, the water inlet pipe 32 of the spray arm 30 is in butt joint with a water outlet of the water supply system 20, water enters an inner cavity of the spray arm 30 from the water inlet pipe 32 and then is sprayed out from the nozzle 31, and air is sucked into the water inlet pipe 32 and mixed with the water. Specifically, the cavity of the water inlet pipe 32 is provided with a speed-increasing water channel 33, the water passing area of the cavity of the water inlet pipe 32 on the upper and lower sides of the speed-increasing water channel 33 is much larger than that of the speed-increasing water channel 33, and the sidewall of the water inlet pipe 32 is provided with a plurality of air suction holes 34 at positions above the speed-increasing water channel 33, preferably, the air suction holes 34 are arranged at intervals along the circumferential direction. When water flows through the speed-increasing water passage 33, the flow rate of the water is rapidly increased due to the sudden reduction of the water passing area, negative pressure is formed in the water inlet pipe 32, external air is sucked into the water inlet pipe 32 along the air suction holes 34, and after the air and the water are mixed, the nozzle 31 sprays bubble water. In this embodiment, a partition plate 35 is disposed in the water inlet pipe 32, the partition plate 35 blocks water flow, a water hole is disposed on the partition plate 35, the water hole forms the speed-increasing water channel 33, and the partition plate 35 is a conical panel with a middle portion protruding upwards. Further, the water through holes are distributed in a plurality.
The upper portion of the water supply system 20 is provided with a water outlet connector 22, the water outlet connector 22 is provided with a water outlet of the water supply system, the water outlet connector 22 extends into the water tank 10, the water inlet pipe 32 is rotatably inserted into the water outlet connector 22, and the external air is communicated to the air suction hole 34 from a gap between the water inlet pipe 20 and the water outlet connector 22. If the water inlet pipe 32 is sleeved outside the water outlet connector 22, the liquid level in the water tank 10 is lower than the lower bottom surface of the water inlet pipe 32, so that air can be sucked; if the water outlet connector 22 is sleeved outside the water inlet pipeline 32, the liquid level in the water tank 10 is lower than the upper top surface of the water outlet connector 22, and air can be ensured to be sucked. In this embodiment, the inlet pipe 32 is inserted into the outlet connector 22, and further includes a filter 40, the filter 40 is disposed below the water tank 10, the filter 40 connects the water tank 10 and the water inlet of the water supply system 20, the water inlet of the filter 40 extends upward from the bottom surface of the water tank 10, and the top surface of the outlet connector 22 is higher than the top surface of the water inlet of the filter 40. The liquid level in the water tank 10 is determined by the height of the water inlet of the filter 40, and since the height of the water inlet of the filter 40 is smaller than the height of the top surface of the water outlet connector 22, the gap between the air suction inlet pipe 32 and the water outlet connector 22 is not affected. The water in the water tank 10 is filtered by the filter 40 and then pumped into the spray arm 30 by the water supply system 20. It will be appreciated that the filter 40 need not be provided if filtration is not required.
Preferably, two sealing rings 50 are disposed between the water inlet pipe 32 and the water outlet joint 22, and are respectively located at the upper and lower sides of the speed-increasing water channel 33. More preferably, the cross-sectional shape of the seal ring 50 is V-shaped with the opening facing downward.
In order to ensure that the water inlet pipe 32 is firmly sleeved with the water outlet connector 22, the outer edge of the top surface of the water outlet connector 22 protrudes outwards to form a circle of clamping ring 24, two clamping claws 36 are symmetrically arranged at the bottom of the spray arm 30 in a downward extending manner, the clamping ring 24 is buckled with the clamping claws 36, and the number of the clamping claws 36 is at least one.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (10)
1. Dish washer spray arm, the top surface is equipped with the nozzle that is used for spraying washing water, and the bottom is equipped with downwardly extending's inlet channel, its characterized in that: the inner cavity of the water inlet pipeline is provided with a speed-increasing water channel, the water passing area of the inner cavity of the water inlet pipeline on the upper side and the lower side of the speed-increasing water channel is larger than that of the speed-increasing water channel, the side wall of the water inlet pipeline is provided with an air suction hole in the position above the speed-increasing water channel, and when water flows through the speed-increasing water channel, the flow speed is increased so as to suck outside air into the water inlet pipeline along the air suction hole.
2. The spray arm of claim 1, wherein: a partition plate is arranged in the water inlet pipeline, a water through hole is formed in the partition plate, and the water through hole forms the speed-increasing water channel.
3. The spray arm of claim 2, wherein: the water through holes are distributed in a plurality.
4. The spray arm of claim 2, wherein: the baffle plate is a conical panel with the middle part protruding upwards.
5. Fountain dish washer, including basin and the water supply system who sets up in this basin below, its characterized in that: the spray arm of any one of claims 1 to 4, further comprising a spray arm rotatably disposed within the tank, the spray arm having an inlet conduit that interfaces with an outlet of the water supply.
6. The spray dishwasher of claim 5, wherein: the upper part of the water supply system is provided with a water outlet joint, the water outlet joint is provided with a water outlet of the water supply system, the water outlet joint extends into the water tank, the water inlet pipeline is rotatably inserted with the water outlet joint, and outside air is communicated to the air suction hole from a gap between the water inlet pipeline and the water outlet joint; when the water inlet pipeline is sleeved outside the water outlet joint, the liquid level is lower than the air suction hole; when the water outlet joint is sleeved outside the water inlet pipeline sleeve, the liquid level is lower than the upper end face of the water outlet joint.
7. The spray dishwasher of claim 6, wherein: two sealing rings are arranged between the water inlet pipeline and the water outlet joint and are respectively positioned at the upper side and the lower side of the speed-increasing water channel.
8. The spray dishwasher of claim 7, wherein: the cross-sectional shape of the seal ring is V-shaped, and the opening is disposed downward.
9. The spray dishwasher of claim 6, wherein: the outer edge of the top surface of the water outlet joint protrudes outwards to form a circle of clamping ring, the bottom of the spray arm extends downwards to form a clamping jaw, and the clamping ring is buckled with the clamping jaw together.
10. The spray dishwasher according to any one of claims 5 to 9, characterized in that: the water tank is communicated with a water inlet of the water supply system, and a water inlet of the filter extends upwards from the bottom surface of the water tank; the water inlet pipeline is inserted into the water outlet joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921348811.5U CN210810868U (en) | 2019-08-19 | 2019-08-19 | Dish washer spray arm and fountain dish washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921348811.5U CN210810868U (en) | 2019-08-19 | 2019-08-19 | Dish washer spray arm and fountain dish washer |
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| Publication Number | Publication Date |
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| CN210810868U true CN210810868U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921348811.5U Active CN210810868U (en) | 2019-08-19 | 2019-08-19 | Dish washer spray arm and fountain dish washer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113892889A (en) * | 2021-10-15 | 2022-01-07 | 嵊州市浙江工业大学创新研究院 | Dish washing machine with inlet speed increasing device and operation method thereof |
| CN114587229A (en) * | 2020-12-07 | 2022-06-07 | 宁波方太厨具有限公司 | Cleaning machine and cleaning method |
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2019
- 2019-08-19 CN CN201921348811.5U patent/CN210810868U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114587229A (en) * | 2020-12-07 | 2022-06-07 | 宁波方太厨具有限公司 | Cleaning machine and cleaning method |
| CN113892889A (en) * | 2021-10-15 | 2022-01-07 | 嵊州市浙江工业大学创新研究院 | Dish washing machine with inlet speed increasing device and operation method thereof |
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