CN202468462U - Improved two-way pump - Google Patents
Improved two-way pump Download PDFInfo
- Publication number
- CN202468462U CN202468462U CN2011204275414U CN201120427541U CN202468462U CN 202468462 U CN202468462 U CN 202468462U CN 2011204275414 U CN2011204275414 U CN 2011204275414U CN 201120427541 U CN201120427541 U CN 201120427541U CN 202468462 U CN202468462 U CN 202468462U
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- China
- Prior art keywords
- outlet
- valve
- stop valve
- way pump
- groove
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a two-way pump including a pump housing, an impeller assembly driven by a motor is arranged in the inner cavity of the pump housing, the pump housing is provided with a pumping inlet pumping fluid into the pump housing based on the rotation of the impeller assembly, a first outlet and a second outlet discharging the fluid out of the pump housing based on the impeller rotating clockwisely and counterclockwisely respectively, and the first outlet and the second outlet are respectively provided with a first unidirectional stop valve and a second unidirectional stop valve. Because the two-way pump is provided with the unidirectional stop valves at both of the two water outlets, when the motor is in a clockwise rotation, the fluid flows out from the first outlet, the unidirectional stop valve of the second outlet is in a cut-off state to prevent air from entering in. when the motor is in a counterclockwise rotation, the fluid flows out from the second outlet, the unidirectional stop valve of the first outlet is in a cut-off state to prevent air from entering in. In this way, the air can be prevented from entering in from the water outlet being not in use to prevent the sounds of water-gas mixing, thereby reducing the running noises of the motor.
Description
Technical field
The utility model relates to pump, relates in particular to the two-way pump of use on dishwasher.
Background technique
Two-way pump is also claimed duplex pump, can use a driven by motor, and two separate oil hydraulic circuits are provided.Impeller receives the rotation of motor to drive and can rotate to positive and negative both direction, offers on the pump case to be used for the water sucking mouth in the cleaning solution suction pump housing, the cleaning solution in the pump case is ejected into the loop exit of tableware to be cleaned and the pump case cleaning liquid inside is ejected into the outside drain outlet of dishwasher.Wherein, between loop exit and drain outlet, be provided with switching valve.When it switched, another outlet was opened in arbitrary outlet of sealing in above-mentioned two outlets simultaneously, thereby switched the outflow direction of cleaning solution.
Publication number is CN100473840C; Notice of authorization day is on April 1st, 2009; Denomination of invention is that the Chinese invention patent application of pump discloses a kind of pump; It when the direction of one from two outlets outlet effluent fluid is rotated, prevents that through near this another ejection nip territory of outlet is connected with suction nip territory above-mentioned fluid from flowing out to outside the pump case from this another outlet at blade part.Though this method can prevent effectively that fluid flows out to outside the pump case from this another outlet, because the negative pressure in the pump case causes air to get into pump case from this outlet, and formation water, vapour mix, send big noise simultaneously.
The model utility content
The purpose of the utility model is to provide a kind of improved two-way pump, and it can prevent that air from getting into from non-water outlet, thereby avoids occurring the steam morbid sound, the operation noise that can reduce motor with increase work efficiency.
In order to realize above-mentioned model utility purpose; The utility model has adopted following technological scheme: a kind of two-way pump; Comprise pump case, the pump case inner chamber is provided with by motor-driven impeller assembly, and pump case is provided with based on the impeller assembly rotation and makes fluid suck the suction port of pump case; Reach based on impeller and when positive and negative direction rotates, discharge first outlet and second outlet outside the pump case to fluid respectively, said first outlet and second exports and is respectively arranged with the first unidirectional flow-stop valve and the second unidirectional flow-stop valve.
Specifically, said first outlet or second outlet are tubular opening, and its outer wall is provided with the annular ridge that several layers is used to stop the liquid outflow, is used for liquid barrier and flows out thus.
Preferably, said annular ridge is parallel to the cross section of said tubular opening respectively.
The tubular opening of said first outlet or second outlet is provided with a valve seat, and the said first unidirectional flow-stop valve or the second unidirectional flow-stop valve are a round rubber valve block, and the periphery of said rubber valve plate is provided with a fixed structure for fixing to said valve seat.Through such means of fixation, rubber valve plate is fixed on the valve seat, and can opens and seal with respect to tubular opening.
As a kind of mode of execution wherein, said valve seat has a groove, the fixed structure of said valve block have one can fill in said groove protruding structure, said groove and said protruding structure are interference fit.
As another kind of mode of execution, said valve seat has a protruding structure, the fixed structure of said valve block have one can hold said protruding structure groove, said groove and said protruding structure are interference fit.
Said round rubber valve block has a protruding cambered surface to mouth of pipe inner chamber, so that sealing effect is better.
The two-way pump of the utility model all is provided with unidirectional flow-stop valve at two water outlets, and when motor just changeed, liquid flowed out from first outlet, and the unidirectional flow-stop valve of second outlet is cut-off state, forbids that air gets into.When motor reversed, liquid flowed out from second outlet, and the unidirectional flow-stop valve of first outlet is cut-off state, forbade that air gets into.Prevent that through such mode air from getting into from non-water outlet, avoid occurring the sound of gas-vapor mix, reduce motor operation noise.This pump is used on the dishwasher, and an outlet can be used as circulation water spray usefulness, and another outlet can be used as draining and uses.
Description of drawings
Fig. 1 is the overall structure schematic representation of the utility model.
Fig. 2 is the utility model floor map, and wherein first outlet is in open mode, and second outlet is in closed condition.
Fig. 3 be Fig. 2 A to the rotation cut away view.
Fig. 4 be Fig. 2 B to the rotation schematic representation.
Fig. 5 is the plane structure schematic representation of unidirectional flow-stop valve.
Fig. 6 is the side direction structural representation of unidirectional flow-stop valve.
Fig. 7 is the control principle figure of the utility model.
Wherein, 10 water intakes, 20 first outlets, 21 first unidirectional flow-stop valve 22 first valve seats 30 second outlets 31 second unidirectional flow-stop valve 311 valve blocks 312 fixed structures 32 second valve seats
Embodiment
Be illustrated in figure 1 as the overall structure schematic representation of the utility model.
This two-way pump; Comprise pump case; The pump case inner chamber is provided with by motor-driven impeller assembly; Pump case is provided with and makes fluid suck the water intake 10 of pump case based on impeller assembly rotation, and when postive direction rotate, discharges first outlet 20 of fluid and second of the discharge fluid export 30 based on impeller during to opposite spin based on impeller.First outlet 20 is provided with the first unidirectional flow-stop valve 21, and it is fixed on the mouth of pipe through first valve seat 22.Second outlet 30 is provided with the second unidirectional flow-stop valve 31, and it is fixed on the mouth of pipe through second valve seat 32.
Second valve seat 32 has a groove.As shown in Figure 5, the second unidirectional flow-stop valve 31 has a round rubber valve block 311, and valve block 311 peripheries are provided with a fixed structure 312, and this fixed structure 312 can be filled in the valve seat groove, and with groove be interference fit.
Certainly, also can adopt opposite configuration, promptly establish protruding structure on the valve seat, the groove that can hold this protruding structure is set on the valve block.
The tubular opening outer wall of first outlet or second outlet is provided with the annular ridge that several layers is used to stop the liquid outflow, and annular ridge is parallel to the cross section of said tubular opening respectively.This first outlet or second outlet are used for being connected with externally drained pipeline, and the effect that annular ridge is set is to prevent that liquid from outwards revealing from this jointing, and the while can also prevent that waste pipe from coming off from this interface.
As shown in Figure 6, in order to reach better tightness, the round rubber valve block has a protruding cambered surface to mouth of pipe inner chamber.
The two-way pump of the utility model is through the forward and backward of control circuit control motor; When motor just changes; Rely on the impulse force of current to wash the first flow-stop valve valve block open; Open first flow-stop valve, by the negative pressure in the pump case valve block of second flow-stop valve is pressed in second outlet simultaneously, thereby close second flow-stop valve.In like manner, when motor reversed, the first unidirectional flow-stop valve was closed and the second unidirectional flow-stop valve unlatching.Specifically as shown in Figure 7, just be electrically connected with/reversing guide line and other guide lines between supervisory controller and the electric machine controller, the Electric Machine Control plate is electrically connected with pump motor through the motor connecting line.
Be depicted as the first unidirectional flow-stop valve and second one of the unidirectional flow-stop valve is opened, a closing state like Fig. 2～4.Wherein, the first unidirectional flow-stop valve 21 of first outlet is in open mode, and rubber valve plate is outwards opened, and fluid flows out from first outlet.Simultaneously, the second unidirectional flow-stop valve 31 of second outlet is in closed condition, and the outlet of rubber valve plate 311 airtight valves prevents that air from getting into the pump case inner chamber thus.
Above embodiment who lifts and accompanying drawing only are used to explain the utility model, do not limit the scope of the utility model.All consummate the utility model method persons do not disobey many variations and the modification that the utility model spirit is carried out, and all belong to the scope that the utility model is applied for a patent.
Claims (7)
1. two-way pump; Comprise pump case; The pump case inner chamber is provided with by motor-driven impeller assembly; Pump case is provided with based on the impeller assembly rotation and makes fluid suck the suction port of pump case, reaches based on impeller and when positive and negative direction rotates, discharges first outlet and second outlet outside the pump case to fluid respectively, and it is characterized in that: said first outlet and second exports and is respectively arranged with the first unidirectional flow-stop valve and the second unidirectional flow-stop valve.
2. two-way pump according to claim 1 is characterized in that: said first outlet or second outlet are tubular opening, and its outer wall is provided with the annular ridge that several layers is used to stop the liquid outflow.
3. two-way pump according to claim 2 is characterized in that: said annular ridge is parallel to the cross section of said tubular opening respectively.
4. two-way pump according to claim 2; It is characterized in that: the tubular opening of said first outlet or second outlet is provided with a valve seat; The said first unidirectional flow-stop valve or the second unidirectional flow-stop valve are a round rubber valve block, and the periphery of said rubber valve plate is provided with a fixed structure for fixing to said valve seat.
5. two-way pump according to claim 4 is characterized in that: said valve seat has a groove, the fixed structure of said valve block have one can fill in said groove protruding structure, said groove and said protruding structure are interference fit.
6. two-way pump according to claim 4 is characterized in that: said valve seat has a protruding structure, the fixed structure of said valve block have one can hold said protruding structure groove, said groove and said protruding structure are interference fit.
7. two-way pump according to claim 4 is characterized in that: said round rubber valve block has a protruding cambered surface to mouth of pipe inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204275414U CN202468462U (en) | 2011-11-02 | 2011-11-02 | Improved two-way pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204275414U CN202468462U (en) | 2011-11-02 | 2011-11-02 | Improved two-way pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468462U true CN202468462U (en) | 2012-10-03 |
Family
ID=46916622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204275414U Expired - Lifetime CN202468462U (en) | 2011-11-02 | 2011-11-02 | Improved two-way pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468462U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541927A (en) * | 2013-10-29 | 2014-01-29 | 台州凌霄泵业有限公司 | Double-helix flow diverter |
| CN105705071A (en) * | 2013-11-29 | 2016-06-22 | 伊莱克斯电器股份公司 | Dishwasher |
| CN109414554A (en) * | 2016-05-04 | 2019-03-01 | 费雪派克医疗保健有限公司 | Respiratory support systems and air blower for respiratory support systems |
| CN111795004A (en) * | 2020-05-11 | 2020-10-20 | 河海大学 | Medium-specific-speed centrifugal pump with double-outlet volute |
| CN113404702A (en) * | 2021-07-16 | 2021-09-17 | 齐力控股集团有限公司 | Milk pump is used in milk processing |
-
2011
- 2011-11-02 CN CN2011204275414U patent/CN202468462U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541927A (en) * | 2013-10-29 | 2014-01-29 | 台州凌霄泵业有限公司 | Double-helix flow diverter |
| CN105705071A (en) * | 2013-11-29 | 2016-06-22 | 伊莱克斯电器股份公司 | Dishwasher |
| CN109414554A (en) * | 2016-05-04 | 2019-03-01 | 费雪派克医疗保健有限公司 | Respiratory support systems and air blower for respiratory support systems |
| US11173263B2 (en) | 2016-05-04 | 2021-11-16 | Fisher & Paykel Healthcare Limited | Respiratory support system and blower for respiratory support system |
| CN111795004A (en) * | 2020-05-11 | 2020-10-20 | 河海大学 | Medium-specific-speed centrifugal pump with double-outlet volute |
| CN113404702A (en) * | 2021-07-16 | 2021-09-17 | 齐力控股集团有限公司 | Milk pump is used in milk processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 529040 No. 336 Qing Lan Road, hi tech Development Zone, Guangdong, Jiangmen Patentee after: Hanyu Group Co., Ltd. Address before: 529000 No. 336 Qing Lan Road, hi tech Development Zone, Guangdong, Jiangmen Patentee before: Jiangmen Idear-hanyu Electrical Joint-stock Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |