CN1600259A - Switching mechanism for flow path of wash water in dishwasher - Google Patents
Switching mechanism for flow path of wash water in dishwasher Download PDFInfo
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- CN1600259A CN1600259A CN 03144463 CN03144463A CN1600259A CN 1600259 A CN1600259 A CN 1600259A CN 03144463 CN03144463 CN 03144463 CN 03144463 A CN03144463 A CN 03144463A CN 1600259 A CN1600259 A CN 1600259A
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- guiding parts
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- washings
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Abstract
A valve module for the washing water channel of dish washer is composed of main body, washing bath, water tank, upper and lower nozzles connected to water tank respectively via upper and/lower channels, washing water pump unit, and a valve.
Description
Technical field
The present invention relates to dish-washing machine, particularly relate to a kind of washings passage opening/closing mechanism of dish-washing machine.
Background technology
Fig. 1 is the sectional structure schematic diagram of dish-washing machine; Fig. 2 is the sectional structure schematic diagram of the valving of existing dish-washing machine.
As shown in Figure 1, existing dish-washing machine comprises: body 2, sink 4, gate 6, top shelf 8, lower shelf 9, upper nozzle 12, lower nozzle 14, tank 16, washing water pump assembly 20 and heater assembly (not shown); The sink 4 of described cube shaped is arranged on the inside of the body 2 of front openings; Described gate 6 is arranged on the front openings place of body 2 with can opening/close; Described top shelf 8 and lower shelf 9 are separately positioned on the upper and lower in the sink 4; Described upper nozzle 12 and lower nozzle 14 can be rotatably set in respectively top shelf 8 and lower shelf 9 the bottom, and washings are ejected by spray-hole h; Described tank 16 is arranged on the bottom of sink 4, and there are washings in portion within it; Described washing water pump assembly 20 is arranged on the side in the tank 16, comprises washing water pump 24 and is attached thereto the pump body 22 that connects, and washing water pump assembly 20 can be supplied to washings upper nozzle 12 and lower nozzle 14; Described heater assembly (not shown) is arranged on the inside of tank 16, and can the washings in the tank 16 be heated.
In addition, a side of described tank 16 also is provided with: to tank 16 supply with the water-supply valve assembly (not shown), feed pipe (not shown) of washings, to draining pump component (not shown), the drainpipe (not shown) of the washings of outside discharge water groove 16 inside be used for filtration washing groove 4 and flow to the filter 18 of the foreign matter in the washings of tank 16.
As depicted in figs. 1 and 2, described upper nozzle 12 is connected with bottom stream 28 by pump body 22 and the top stream 26 that is arranged on tank 16 1 sides respectively with lower nozzle 14; When washing water pump 24 work, flow through respectively top stream 26 and bottom stream 28 of the washings of tank 16 inside is supplied to upper nozzle 12 and lower nozzle 14, while upper nozzle 12 and lower nozzle 14 rotate washings sprayed to the inner space of sink 4 equably.
The position that described top stream 26 and bottom stream 28 are connected with pump body 22 is provided with and is used for the valving 30 that top stream 26 and bottom stream 28 selectively open/close, and described valving 30 selectively flows into washings to top stream 26 and bottom stream 28.As shown in Figure 2, described valving 30 comprises: retaining platform 32a, retaining platform 32b, check valve 34a, check valve 34b, magnetic valve 36a and magnetic valve 36b; Described retaining platform 32a and retaining platform 32b protrude respectively on the front inner wall that is formed on top stream 26 and bottom stream 28; Described check valve 34a and check valve 34b are arranged on the front end of top stream 26 and bottom stream 28 respectively movably, and open/close portion's stream 26 and bottom stream 28 by the mode of opening/blocking platform 32a and retaining platform 32b respectively; Described magnetic valve 36a and magnetic valve 36b are separately positioned under check valve 34a and the check valve 34b, respectively the duty of check valve 34a and check valve 34b are controlled.
Described check valve 34a and check valve 34b are respectively by the magneticaction of magnetic valve 36a and magnetic valve 36b and carry out out/magnetic of closed operation.
The course of work to the valving of existing dish-washing machine is illustrated below: when washing water pump 24 work, check valve 34a and check valve 34b move up, retaining platform 32a in being set at top stream 26 and bottom stream 28 respectively and retaining platform 32b block, at this moment check valve 34a and check valve 34b are in closed condition, stop washings to flow into top stream 26 and bottom stream 28 respectively.When magnetic valve 36a and magnetic valve 36b work, the magnetic force of Chan Shenging applies downward attraction to check valve 34a and check valve 34b respectively separately, check valve 34a and check valve 34b break away from retaining platform 32a respectively and retaining platform 32b moves down, top stream 26 and bottom stream 28 are opened, and washings flow into top stream 26 and bottom stream 28.
But, after washing water pump 24 is started working, if washings are supplied with top stream 26 and bottom stream 28 simultaneously, then flow through top stream 26 and bottom stream 28 of washings supplied with upper nozzle 12 and lower nozzle 14 simultaneously, can cause hydraulic pressure to reduce like this, the jet power of nozzle reduces, and causes clean result to reduce.So, in order to guarantee that upper nozzle 12 and lower nozzle 14 have enough jet powers, make magnetic valve 36a and magnetic valve 36b alternation, thereby make washings alternately the top stream 26 and the bottom stream 28 of feeding opening, and alternately washings are ejected into the inner space of sink 4 by upper nozzle 12 and lower nozzle 14.
The shortcoming of the valving of above-mentioned existing dish-washing machine is: be respectively arranged with check valve 34a and check valve 34b in top stream 26 and the bottom stream 28, and check valve 34a and check valve 34b also dispose high magnetic valve 36a of price and magnetic valve 36b work respectively, strengthened the production cost of dish-washing machine.In addition, magnetic valve 36a and magnetic valve 36b all need electricity to control, and there is the hidden danger of electrical connection fault aspect again in both consumed powers.
Summary of the invention
Technical problem to be solved by this invention is to overcome the shortcoming of above-mentioned existing dish-washing machine washing current road switching mechanism, the dish-washing machine washing current road switching mechanism that provides a kind of hydraulic pressure by washings can make top stream and bottom stream open selectively/close.
In order to solve described technical problem, the technical solution used in the present invention is: the washings passage opening/closing mechanism of dish-washing machine of the present invention comprises: body, sink, tank, upper nozzle, lower nozzle, washing water pump assembly and valving; Described tank is arranged on the bottom of sink, has washings in the tank; Described upper nozzle and lower nozzle can be rotatably set in the upper and lower of sink respectively, are connected with tank by top stream and bottom stream respectively; Described washing water pump assembly is arranged on a side of tank, washings can be fed to top stream and bottom stream; Described valving is arranged on the boundary position place of top stream and bottom stream, be connected with the washing water pump assembly, and the hydraulic pressure of the washings that can provide according to the washing water pump assembly is supplied to top stream or bottom stream selectively with washings.
Described valving comprises: guiding parts and ball float; Described guiding parts comprises: following guiding parts and last guiding parts; The described bottom of guiding parts down is formed with ostium, and ostium is connected with the pump body; Described top of going up guiding parts is formed with the 1st osculum and the 2nd osculum; The 1st osculum and the 2nd osculum are connected with top stream and bottom stream respectively; Described down guiding parts is with after last guiding parts combines, at the inside of guiding parts formation circulation stream; Described ball float can move along the circulation stream circulation of guiding parts inside, and selectively blocks the 1st osculum or the 2nd osculum.
The diameter of described ball float is littler than the circulation stream diameter of guiding parts inside, but bigger than the diameter of described ostium and the 1st osculum and the 2nd osculum, its shape can be spheroidal.
Protrude ground formation on the edge of the following guiding parts of described guiding parts fin is arranged; Canyon topography becomes to have gathering sill on the edge of the last guiding parts of described guiding parts, when the fin of following guiding parts inserts the gathering sill of going up guiding parts, just will descend guiding parts and last guiding parts to combine.
The inside of described guiding parts forms the 1st stream, the 2nd stream and the 3rd stream respectively, thereby ball float is moved along a direction circulation; Described the 1st stream is from the formation that is inclined upwardly of ostium to the 1 tap; Described the 2nd stream is from the downward-sloping formation of the 1st tap to the 2 taps; The downward-sloping formation of described the 3rd stream from the 2nd tap to ostium.
For the ball float that prevents to be positioned at the ostium place moves to the 3rd stream under the effect of the hydraulic pressure of the washings that flow into, described guiding parts be formed with ostium on form step on the medial surface of guiding parts.
In order to prevent that the ball float that is positioned at the 1st tap place from moving to the 1st stream under the effect of the hydraulic pressure of the washings that flow into, described guiding parts forms step on the medial surface of the following guiding parts that is formed with the 1st tap.
In order to prevent that the ball float that is positioned at the 2nd tap place from moving to the 2nd stream, forms step on the medial surface of the following guiding parts that is formed with the 2nd tap under the hydraulic pressure effect of the washings that flow into.
The invention has the beneficial effects as follows: simple in structure, low cost of manufacture, the hydraulic pressure by washings can make top stream and bottom stream open selectively/close, saves energy not only, and improved reliability.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of existing dish-washing machine;
Fig. 2 is the sectional structure schematic diagram of the valving of existing dish-washing machine;
Fig. 3 is the sectional structure schematic diagram of dish-washing machine that comprises the washings passage opening/closing mechanism of dish-washing machine of the present invention;
Fig. 4 is the structural representation of the washings passage opening/closing mechanism of dish-washing machine of the present invention;
Fig. 5 is the STRUCTURE DECOMPOSITION schematic diagram of the guiding parts of the washings passage opening/closing mechanism of dish-washing machine of the present invention.
Among the figure:
54: sink 62: upper nozzle
64: lower nozzle 66: tank
76: top stream 78: the bottom stream
80: valving 82: following guiding parts
84: go up guiding parts 85: guiding parts
87: ball float
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Fig. 3 is the sectional structure schematic diagram of dish-washing machine that comprises the washings passage opening/closing mechanism of dish-washing machine of the present invention; Fig. 4 is the structural representation of the washings passage opening/closing mechanism of dish-washing machine of the present invention; Fig. 5 is the STRUCTURE DECOMPOSITION schematic diagram of the guiding parts of the washings passage opening/closing mechanism of dish-washing machine of the present invention.
As shown in Figure 3, adopt the dish-washing machine of the washings passage opening/closing mechanism of present embodiment dish-washing machine to comprise: body 52, sink 54, tank 66, upper nozzle 62, lower nozzle 64, washing water pump assembly 70 and valving 80; Be provided with top shelf 58 and lower shelf 59 in the described sink 54, when the user puts into the bowl dish body 52 inside and washs, just the bowl dish be placed on top shelf 58 and the lower shelf 59; Described tank 66 is arranged on the bottom of sink 54, has washings in the tank 66; Described upper nozzle 62 and lower nozzle 64 can be rotatably set in the below of top shelf 58 and lower shelf 59 respectively, be connected with tank 66 by top stream 76 and bottom stream 78 respectively, and washings can be ejected on top shelf 58 and the lower shelf 59 the bowl dish on; Described washing water pump assembly 70 is arranged on a side of tank 66, comprises washing water pump 74 and pump body 72, and washing water pump 74 is connected on the pump body 72; Described valving 80 is arranged on the boundary position place of top stream 76 and bottom stream 78, be connected with pump body 72, and the hydraulic pressure of the washings that can provide according to washing water pump 74 is supplied to top stream 76 or bottom stream 78 selectively with washings.
In addition, a side of described tank 66 also is provided with: to the water-supply valve (not shown) of tank 66 supplying washing water, feed pipe (not shown), to draining valve (not shown), the drainpipe (not shown) of the washings of outside discharge water groove 66 inside be used for filtering the filter 68 of foreign matter the washings that flow to tank 66 from sink 54.
As shown in Figure 3 and Figure 4, described valving 80 comprises: guiding parts 85 and ball float 87; Described guiding parts 85 comprises: following guiding parts 82 and last guiding parts 84; The described bottom of guiding parts 82 down is formed with ostium 82a, and ostium 82a is connected with pump body 72; Described top of going up guiding parts 84 is formed with the 1st osculum 84a and the 2nd osculum 84b; The 1st osculum 84a and the 2nd osculum 84b are connected with top stream 76 and bottom stream 78 respectively; Described down guiding parts 82 is with after last guiding parts 84 combines, at the inside of guiding parts 85 formation circulation stream; Described ball float 87 can move along the circulation stream circulation of guiding parts 85 inside, and selectively blocks the 1st osculum 84a or the 2nd osculum 84b.
The diameter of described ball float 87 is littler than the circulation stream diameter of guiding parts 85 inside, but bigger than the diameter of described ostium 82a and the 1st osculum 84a and the 2nd osculum 84b, and its shape can be spheroidal or oval spherical.
Described ball float 87 contacts with rolling with the inwall of guiding parts 85, and moves guiding parts 85 inner rollings under the hydraulic pressure effect of washings, and the density of ball float 87 is greater than the density of water.
As shown in Figure 5, described guiding parts 85 also comprises: fin 82b, gathering sill 84c are connected lug 84h with several; Described fin 82b protrudes and is formed on down on the edge of guiding parts 82; Described gathering sill 84c hollowly forms on the edge of last guiding parts 84, during the gathering sill 84c of guiding parts 84, just will descend guiding parts 82 and last guiding parts 84 to combine in the fin 82b insertion of following guiding parts 82; Described connection lug 84h is formed on the sidewall of guiding parts 84, be formed with a screw hole h respectively on each connection lug 84h, these screw holes h respectively be formed on tank 66 on connection bump 66a on screw hole corresponding one by one, utilize screw to pass screw hole on these screw holes h and the connection bump 66a respectively, with screw-driving, guiding parts 85 can be fixed on the tank 66 then.
When guiding parts 82 combined with last guiding parts 84 instantly, the inside of guiding parts 85 formed the 1st stream the 92, the 2nd stream 94 and the 3rd stream 96 respectively, thereby ball float 87 is moved along a direction circulation; Described the 1st stream 92 is from ostium 82a to the 1 tap 84a formation that is inclined upwardly; Described the 2nd stream 94 is from the downward-sloping formation of the 1st tap 84a to the 2 tap 84b; Described the 3rd stream 96 from the 2nd tap 84b to the downward-sloping formation of ostium 82a.
For the ball float 87 that prevents to be positioned at ostium 82a place moves to the 3rd stream 96 under the effect of the hydraulic pressure of the washings that flow into, described guiding parts 85 be formed with ostium 82a on form step on the medial surface of guiding parts 84.
In order to prevent that the ball float 87 that is positioned at the 1st tap 84a place from moving to the 1st stream 92 under the effect of the hydraulic pressure of the washings that flow into, described guiding parts 85 forms step on the medial surface of the following guiding parts 82 that is formed with the 1st tap 84a.
In order to prevent that the ball float 87 that is positioned at the 2nd tap 84b place from moving to the 2nd stream 94, forms step on the medial surface of the following guiding parts 82 that is formed with the 2nd tap 84b under the hydraulic pressure effect of the washings that flow into.
The course of work to the dish-washing machine of the washings passage opening/closing mechanism that comprises dish-washing machine of the present invention is illustrated below:
After the dish-washing machine energising started, the water-supply valve (not shown) was unlocked, and washings are supplied to tank 66, and the washings in the tank 66 are ejected into the inside of sink 54 under the effect of washing water pump 74.
Under the effect of washing water pump 74, washings flow in the guiding parts 85 along pump body 72, the ball float 87 that be positioned at the ostium 82a place of guiding parts 85 this moment rises under the effect of hydraulic pressure, and moves to the 1st tap 84a place along the 1st stream 92 the 1st tap 84a is blocked.
When the ball float 87 that moves along the 1st stream 92 moves to the 1st tap 84a place, why do not continue along the reason that the 3rd stream 96 moves be, guiding parts 85 be formed with ostium 82a on form step on the medial surface of guiding parts 84, so ball float 87 is blocked by this step, and block the 1st tap 84a.
At this moment, because the 1st tap 84a is blocked by ball float 87, washings can not be supplied to top stream 76 by the 1st tap 84a, can only be supplied to bottom stream 78 by the 2nd tap 84b, thereby by the lower nozzle 59 that is connected with bottom stream 78 internal spray to sink 54.
When washing water pump 74 quit work, the hydraulic pressure of washings can reduce, and this moment, ball float 87 descended from the 1st tap 84a, and moved to the below of the 2nd tap 84b along the 2nd stream 94 of downward-sloping formation.
At this moment, if washing water pump 74 restarts, ball float 87 rises under the effect of washings hydraulic pressure, and blocks the 2nd tap 84b.
At this moment, because the 2nd tap 84b is plugged, washings can not be supplied to bottom stream 78 by the 2nd tap 84b, can only be supplied to top stream 76 by the 1st tap 84a, thereby by the upper nozzle 62 that is connected with top stream 76 internal spray to sink 54.
When washing water pump 74 quit work, the hydraulic pressure of washings can reduce, and this moment, ball float 87 descended from the 2nd tap 84b, and moved to ostium 82a below along the 3rd stream 96 of downward-sloping formation.
As mentioned above, ball float 87 is selectively blocked the 1st osculum 84a or the 2nd osculum 84b under the effect of washing water pump 74, make washings be ejected into the inside of sink 54 by top stream 76 or bottom stream 78 selectively; By said process, dish-washing machine is finished the washing and the flushing operation of bowl dish.
Claims (8)
1. the washings passage opening/closing mechanism of a dish-washing machine comprises: sink, tank, upper nozzle, lower nozzle, washing water pump assembly and valving; It is characterized in that: described tank (66) is arranged on the bottom of sink (54), and tank has washings in (66); Described upper nozzle (62) and lower nozzle (64) are separately positioned on the upper and lower in the sink (54), are connected with tank (66) by top stream (76) and bottom stream (78) respectively; Described washing water pump assembly (70) is arranged on a side of tank (66), washings can be fed to top stream (76) and bottom stream (78); Described valving (80) is arranged on the boundary position place of top stream (76) and bottom stream (78), be connected with washing water pump assembly (70), and the hydraulic pressure of the washings that can provide according to washing water pump assembly (70) is supplied to top stream (76) or bottom stream (78) selectively with washings.
2. the washings passage opening/closing mechanism of dish-washing machine according to claim 1, it is characterized in that: described valving (80) comprising: guiding parts (85) and ball float (87); Described guiding parts (85) comprising: following guiding parts (82) and last guiding parts (84); The described bottom of guiding parts (82) down is formed with ostium (82a), and ostium (82a) is connected with pump body (72); Described top of going up guiding parts (84) is formed with the 1st osculum (84a) and the 2nd osculum (84b); The 1st osculum (84a) and the 2nd osculum (84b) are connected with top stream (76) and bottom stream (78) respectively; Described down guiding parts (82) is with after last guiding parts (84) combines, at the inside of guiding parts (85) formation circulation stream; Described ball float (87) can move along the circulation stream circulation of guiding parts 85 inside, and selectively blocks the 1st osculum (84a) or the 2nd osculum (84b).
3. the washings passage opening/closing mechanism of dish-washing machine according to claim 2, it is characterized in that: the diameter of described ball float (87) the circulation stream diameter more inner than guiding parts (85) is little, but the diameter than described ostium (82a) and the 1st osculum (84a) and the 2nd osculum (84b) is big, and its shape can be spheroidal.
4. the washings passage opening/closing mechanism of dish-washing machine according to claim 2 is characterized in that: protrude ground on the edge of the following guiding parts (82) of described guiding parts (85) and form fin (82b) is arranged; Canyon topography becomes to have gathering sill (84c) on the edge of the last guiding parts (84) of described guiding parts (85), during the gathering sill (84c) of guiding parts (84), just will descend guiding parts (82) and last guiding parts (84) to combine in fin (82b) insertion of following guiding parts (82).
5. the washings passage opening/closing mechanism of dish-washing machine according to claim 2, it is characterized in that: the inside of described guiding parts (85) forms the 1st stream (92), the 2nd stream (94) and the 3rd stream (96) respectively, thereby ball float (87) is moved along a direction circulation; Described the 1st stream (92) formation that is inclined upwardly from ostium (82a) to the 1st tap (84a); Described the 2nd stream (94) from the 1st tap (84a) to the downward-sloping formation of the 2nd tap (84b); Described the 3rd stream (96) from the 2nd tap (84b) to the downward-sloping formation of ostium (82a).
6. according to the washings passage opening/closing mechanism of claim 4 or 5 described dish-washing machines, it is characterized in that: move to the 3rd stream (96) under the effect of the hydraulic pressure of the washings that flow in order to prevent to be positioned at the ball float (87) that ostium (82a) locates, described guiding parts (85) forms step on the medial surface of the last guiding parts (84) that is formed with ostium (82a).
7. according to the washings passage opening/closing mechanism of claim 4 or 5 described dish-washing machines, it is characterized in that: move to the 1st stream (92) under the effect of the hydraulic pressure of the washings that flow in order to prevent to be positioned at the ball float (87) that the 1st tap (84a) locates, described guiding parts (85) forms step on the medial surface of the following guiding parts (82) that is formed with the 1st tap (84a).
8. according to the washings passage opening/closing mechanism of claim 4 or 5 described dish-washing machines, it is characterized in that: move to the 2nd stream (94) under the hydraulic pressure effect of the washings that flow in order to prevent to be positioned at the ball float (87) that the 2nd tap (84b) locates, on the medial surface of the following guiding parts (82) that is formed with the 2nd tap (84b), form step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03144463 CN1600259A (en) | 2003-09-28 | 2003-09-28 | Switching mechanism for flow path of wash water in dishwasher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03144463 CN1600259A (en) | 2003-09-28 | 2003-09-28 | Switching mechanism for flow path of wash water in dishwasher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1600259A true CN1600259A (en) | 2005-03-30 |
Family
ID=34659619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03144463 Pending CN1600259A (en) | 2003-09-28 | 2003-09-28 | Switching mechanism for flow path of wash water in dishwasher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1600259A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1857155B (en) * | 2005-04-14 | 2010-05-12 | 松下电器产业株式会社 | Dishware washer |
| CN101103892B (en) * | 2006-07-12 | 2011-01-12 | 三星电子株式会社 | Dish washing machine |
-
2003
- 2003-09-28 CN CN 03144463 patent/CN1600259A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1857155B (en) * | 2005-04-14 | 2010-05-12 | 松下电器产业株式会社 | Dishware washer |
| CN101103892B (en) * | 2006-07-12 | 2011-01-12 | 三星电子株式会社 | Dish washing machine |
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