CN100458169C - Pump and liquid supply device possessing the pump - Google Patents
Pump and liquid supply device possessing the pump Download PDFInfo
- Publication number
- CN100458169C CN100458169C CNB2006101485876A CN200610148587A CN100458169C CN 100458169 C CN100458169 C CN 100458169C CN B2006101485876 A CNB2006101485876 A CN B2006101485876A CN 200610148587 A CN200610148587 A CN 200610148587A CN 100458169 C CN100458169 C CN 100458169C
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- pump
- road
- pump chamber
- discharge
- liquid
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Abstract
The invention provide a pump without restricting by the installing direction for maintaining self-priming function, always supplying with liquid step by step. The pump includes a rotary-driven impeller (12), a casing of the pump chamber (23) for forming an admition impeller (12), a sucking port (20) for sucking liquid and a discharge port (21) for discharging liquid. Said discharge port is connected with said pump chamber (23) via the discharge way (22) formed along the circumference of the pump chamber (23). Said discharge way of the liquid sucking from the sucking port to the pump chamber and discharging towards the discharge port, in the process has a jar (25) for inflowing liquid flowing along the discharge way, the jar is connected with said pump chamber via a reflow way (24). By keeping a part of liquid discharging via the discharge way in the jar, the liquid is supplied from the jar to the pump chamber, capable of exerting self-priming function.
Description
Technical field
The present invention relates to the pump by the rotary blade feed fluid and possess the fluid Supplying apparatus of this pump.
Background technique
Possessing impeller that rotation drives, be formed with in the pump of the housing of the pump chamber of taking in impeller and the exhaust port that is connected the suction port that sucks liquid and drain with housing, having and be called self-priming type of pump.This pump has and can together discharge the function that enters the air in the pump chamber with liquid, contain the liquid that imports the gases such as air of pump chamber by the impeller of rotation from suction port, be admitted to and discharge the road, carry out gas-liquid separation on this discharge road, the result is separated in the gas and the partially liq of the top of liquid and is discharged (for example, with reference to patent documentation 1) from exhaust port because of proportion difference.
On the other hand, at the liquid of supplying with to electronic units such as CPU as refrigeration agent, and in the liquid-cooled-type cooling device that cools off etc., the installation direction of this pump is not certain all the time, according to the formation of internal unit or the situation of device design etc., adopt multiple installation direction under most situation.
But, in above-mentioned pump in the past,, cause self-absorption function to reduce because of installation direction can not fully carry out gas-liquid separation, its result is feed fluid effectively.
Patent documentation 1: the spy opens flat 10-227291 communique
Summary of the invention
The present invention proposes in view of the above fact, and its purpose is to provide a kind of and can be subjected to the restriction of installation direction and keeps self-absorption function, and the pump of feed fluid and adopt the fluid Supplying apparatus of this pump effectively all the time.
The invention provides a kind of pump, possess impeller that rotation drives, be formed with the housing of the pump chamber of taking in impeller and be connected with housing and suck the suction port of liquid and the exhaust port of drain, it is characterized in that, described exhaust port is communicated with described pump chamber outer circumferential face via the discharge road that the periphery along pump chamber forms, discharge the described discharge road that is drawn into the liquid in the pump chamber from suction port towards exhaust port, possess along discharging the jar portion that the road flowing liquid flows in its way, this jar portion is communicated with described pump chamber by the backflow road.By staying a jar portion by a part of discharging the liquid of discharging on the road, portion carries liquid to pump chamber from this jar, can bring into play self-absorption function thus.
Preferred described jar portion is configured in the outer circumferential side of pump chamber.Because thickness that can the attenuate pump is so also can be provided with pump in narrow space.
In addition, the interconnecting part on preferred described jar portion and discharge road is positioned at the turbulent portion that discharges the road.Because gas is difficult for entering a jar portion, so discharge gas from exhaust port easily.
In addition, the preferred described jar portion and the interconnecting part of discharging the road be positioned at discharge Lu Yiduan towards near the opening portion of pump chamber outer circumferential face or discharge near the exhaust port of the road the other end.If the former, the bubble that then can cut off consecutive easily is if the latter then can improve the gas-liquid separation performance.
In addition, if near the jar portion that is positioned at the exhaust port of discharging the road the other end has the wall that has predetermined angular with respect to the flow direction to exhaust port with the interconnecting part of discharging the road, then producing turbulent flow on the discharge road of exhaust port, the gas of collision wall is difficult for entering a jar portion.
In addition, if the inflow portion shape from the pump chamber to the discharge portion is circular or oval, then discharge the road effluent air in the same way from pump chamber and liquid one, become bubble with the above diameter of certain certain size, so be difficult for entering a jar portion, thereby improve the discharging performance of gas.
If the impeller that has a blade at peripheral part perimembranous within it possesses the circulation road of axial perforation, then also can discharge the gas that is trapped in the impeller central part by flowing of liquid along the circulation of circulation road.
In addition, if interior all sides at impeller, be provided with the motor stator that impeller-driven is used by the next door in the housing, and be provided with along the groove of the otch of the stator core of motor stator at the face of the impeller side in described next door, then can not damage magnetic property ground and discharge the gas that is trapped in the impeller central part effectively.
And, supply with the restriction that is not subjected to installation direction with the fluid Supplying apparatus that possesses described pump as liquid, so use degrees of freedom good.
In the present invention, by staying a jar portion by a part of discharging the liquid of discharging on the road, portion carries liquid to pump chamber from this jar, thus can be from the indoor gas of pump chamber excavationg pump, therefore, can not be subjected to the installation direction of pump restrictedly to bring into play self-absorption function, thus can be all the time feed fluid effectively.
Description of drawings
Fig. 1 is the transverse sectional view of an example of embodiment of the present invention.
Fig. 2 is the XOX line sectional view of Fig. 1.
Fig. 3 is another routine transverse sectional view.
Fig. 4 is the transverse sectional view of another example.
Fig. 5 is another routine longitudinal sectional view.
Fig. 6 is the longitudinal sectional view of another example
Fig. 7 is the transverse sectional view of above-mentioned example.
Fig. 8 is another routine longitudinal sectional view.
Fig. 9 possesses the piping diagram of the fluid Supplying apparatus of pump of the present invention.
Among the figure: 11-impeller, 12-blade, 16-pump case, 20-suction port, 21-exhaust port, 22-discharge road, 23-pump chamber, 24-backflow road, 25a-jar portion, 25b-jar portion.
Embodiment
Below, with reference to accompanying drawing, by example explanation the present invention of mode of execution, in Fig. 1 and Fig. 2, the formation of pump comprises: housing, and it is made of the dividing plate 17 that is formed with the pump case 16 of recess in one side and be fixed on the face with above-mentioned recess of this pump case 16; Impeller 11, it is provided in the interior pump chamber 23 of this housing; With motor stator 15, it is used to make impeller 11 rotation with rotor magnet 13, rotate the impeller 11 of support freely by born axle 18 by bearing 14, distolaterally has a blade 12 at axial one of its peripheral part.In addition, form blade 12 and rotor magnet 13 with different material, also can by chimeric both and integrated, also can constitute with the magnetic resin material, make blade 12 and rotor magnet 13 integrated with same material.In addition, described axle 18 remove as single member by be pressed into or embed be shaped be fixed on pump case 16 or the dividing plate 17, also can use same material and pump case 16 or dividing plate 17 integrally formed.
Described pump case 16 possesses suction port 20 and exhaust port 21 in its outside.In addition, suction port 20 is connected on the outer circumferential face of described pump chamber 23 by the stream that forms straight line, but exhaust port 21 is connected with the outer circumferential face of pump chamber 23 via the discharge road 22 that the periphery along pump chamber 23 is provided with.
And, in the way on described discharge road 23, be provided with jar 25a of portion, a 25b via flowing into road 27.In addition, be located at the 25a of these jars portion, the 25b at the position of the periphery that is positioned at pump chamber 23, be connected with the outer circumferential face of pump chamber 23 than discharging road 22 circlet streams 24 by diameter.
Wherein, when making impeller 11 rotations, the blade 12 of rotation provides the motion energy to the liquid that flows into from suction port 20, can improve the pressure of the liquid in the pump case 16 gradually by this motion, so by discharging road 22 from exhaust port 21 drains, partially liq flows in the jar 25a of portion, the 25b simultaneously.
At this moment, if flow into the liquid of sneaking into gas from suction port 20, then because gas is compressed fluid, therefore can not extrude gas from pump chamber 23 with impeller 11, have only liquid be expressed into pump chamber 23 with in the discharge road 22 on the one side, if gas is stayed in the pump chamber 23, just can not send liquid.But, if form this state, then, flow into pump chambers 23 by backflow road 24 from discharging the liquid in the 25a of jar portion, the 25b that road 22 flows into, discharge the part of the interior gas of pump chamber 23 by the liquid of supplying with impeller 11.
And from pump chamber 23 effluent airs, the opening of pump chamber 23 sides by discharging road 22 is an inflow entrance 26, becomes the bubble with the above diameter of certain certain size, flows along discharging road 22., be the circle about 0.5mm～2mm herein,, just easily discharge to the outside via discharging road 22 then by gas being configured as the solid shape more than the 0.5mm if the shape of inflow entrance 26 is pre-formed.Also can obtain same effect even the shape of inflow entrance 26 is oval.
, discharge road 22 and the interconnecting part 27 that is located near the 25a of jar portion of described inflow entrance 26 herein, by being configured in the turn of bilge that is easy to generate turbulent T of discharging on the road 22, gas is difficult for invading the jar 25a of portion thus.In addition, being breaking at described inflow entrance 26 easily by negative pressure is shaped and the bubble of consecutive.In passing, the side is different with the outer side surface flow velocity within it owing to the turn of bilge of discharging road 22, so be easy to generate turbulent T, in addition, the gap of described interconnecting part 27 is preferably in the scope of 0.3mm～1.2mm.If narrow, then can not be to the 25a of jar portion feed fluid, if wide, then bubble is invaded easily.
The bubble of together extruding with liquid is discharged from exhaust port 21 by discharging road 22 major parts, but the negative pressure of a part because of producing at pump chamber 23, and will turn back to pump chamber 23 from the backflow road 24 that is located near the 25b of jar portion of exhaust port 21.But, the flow direction of the fluid of the wall relative orientation exhaust port 21 of discharge road 22 sides by making jar interconnecting part of the 25b of portion 27 is 5 °～60 ° angle [alpha], want to return the gas of pump chamber 23 via the 25b of jar portion, because of near the turbulent flow the interconnecting part 27 that is created in 25b of this jar portion and discharge road 22, and collide described wall, inflow to the 25b of jar portion is stoped, and is directed to towards the flow direction of exhaust port 21.
The gap of this interconnecting part 27 also is preferably in the scope of 0.3mm～1.2mm, if narrow, then can not be to the 25b of jar portion feed fluid, if wide, then bubble is invaded jar 25b of portion easily.In addition, the diameter of 0.3mm～0.7mm is also wished to have in the backflow road 24 of connection jar 25b of portion and pump chamber 23.If this diameter is too small, then can not be to pump chamber 23 feed fluids, if diameter is excessive, then gas turns back to pump chamber 23 easily.
In a word, invade the jar 25a of portion, 25b along discharging road 22 flowing liquids, when impact air, return the liquid of pump chamber 23 to discharge the mode effect of gas, by repeating this action from the 25a of jar portion, 25b, can all send the gas in the pump chamber 23, finally only send liquid.
In addition, as shown in Figure 3, so the interconnecting part 27 of the 25b of jar portion that is connected with near the exhaust port 21 position if be positioned at the laminar flow portion of the flow direction of discharging road 22, then returns pump chamber 23 by the 25b of jar portion owing to gas, easily the self-absorption function reduction.
Fig. 4 represents another example.Basic comprising is identical with described embodiment, but herein, the length on the discharge road 22 that the mode with the periphery that surrounds pump chamber 23 that replace to shorten is provided with is provided with jar 25a of portion, a 25b by the part of not discharging road 22 in the periphery of pump chamber 23, strengthens the volume of the jar 25a of portion, 25b.In addition, for the 25b of jar portion, be communicated with pump chamber 23 with a plurality of circulation road 24,24.If have the jumbo jar 25a of portion, a 25b, then by the number on increase circulation road 24, liquid turns back to pump chamber 23 easily, can discharge gas expeditiously so compare with described embodiment.
In addition, as shown in Figure 4, configuration water sucking mouth 20 and exhaust port 21 on symmetrical position when on fluid Supplying apparatus pump being installed like this, can adapt to the multiple condition that is provided with.
In described each example, represented be provided with jar situation of the 25a of portion, 25b near the end of pump chamber 23 sides of discharging road 22 and near the other end of exhaust port 21 sides, but also can only a jar portion be set at either party, in addition can be not yet near the end of discharging road 22, and a jar portion is set at intermediate portion.
The interior perimembranous that Fig. 5 is illustrated in described impeller 11 is provided with the circulation road 101 of axial perforation.In the structure that is provided with such circulation road 101, can discharge the gas of the central part that is trapped in impeller 11 effectively.Promptly, by rotary blade 11, the liquid of all sides in the outer circumferential side of the rotor magnet 13 in the pump chamber 23 enters, by the central part that arrives impeller 11 shown in the middle arrow, and then deliver to the outer circumferential side of pump chamber 23 once more via the circulation road 101 of axial perforation impeller 11, at this moment, discharge the gas of the central part that is trapped in impeller 11.
In this case, as Figure 6 and Figure 7, because as long as the outer circumferential face of next door 19 is provided with the axial groove 102 of axle 18, just can between the inner peripheral surface of rotor magnet 13 and next door 19, guarantee wide water passage, increase the water yield, so can more effectively discharge the gas that is trapped in central part by this part.
In addition, the otch 15a by the motor stator 15 on the interior week that is configured in next door 19 is provided with described groove 102, can avoid the existence of groove 102 to cause the magnetic efficiency between motor stator 15 and the rotor magnet 13 to reduce.
Fig. 8 represents another example.At outer circumferential side configuration motor stator 15, can not utilize the space of interior all sides of rotor magnet 13 thus as water storage space 103 herein, in interior all sides of rotor magnet 13.In this case, even when low discharge, when the liquid of discharging in the water storage space 103, also can discharge the gas of the central part that is trapped in impeller 11 via circulation road 101.
Fig. 9 represents to adopt an example of the fluid Supplying apparatus of described pump 6.This fluid Supplying apparatus is used to cool off the heating component 1 that is installed on the substrate 2, by heating component 1 and refrigeration agent carry out heat exchange and cool off heating component 1 cooler 3, remove the conservation tank 5 of the radiator 4 reduce phlegm and internal heat, storing refrigerant and be used to make the described pump 6 of refrigerant cycle to constitute by refrigeration agent.7 is pipe arrangements among the figure.Refrigeration agent in the conservation tank 5 is discharged with pump 6, gives refrigerator 3 by pipe arrangement 7, draws the heat of heating component 1.Then, the refrigeration agent that temperature raises is sent into radiator 4, after reducing temperature, turn back to conservation tank 5 by heat radiation.
Pump in accordance with the present invention not only can be used for described fluid Supplying apparatus, can also be applicable to fluid Supplying apparatus that fluid Supplying apparatus that the fuel cell that transports liquid such as methyl alcohol is used or heat pump system etc. use etc., and its purposes is various.
Claims (9)
1. pump possesses impeller that rotation drives, is formed with the housing of the pump chamber of taking in impeller and is connected with housing and sucks the suction port of liquid and the exhaust port of drain, it is characterized in that,
Described exhaust port is communicated with described pump chamber outer circumferential face via the discharge road that the periphery along pump chamber forms, discharge the described discharge road that is drawn into the liquid in the pump chamber from suction port towards exhaust port, possess along discharging the jar portion that the road flowing liquid flows in its way, this jar portion is communicated with described pump chamber by the backflow road.
2. pump as claimed in claim 1 is characterized in that,
Described jar portion is configured in the outer circumferential side of pump chamber.
3. pump as claimed in claim 1 or 2 is characterized in that,
The interconnecting part on described jar portion and discharge road is positioned at the turbulent portion that discharges the road.
4. pump as claimed in claim 3 is characterized in that,
Described jar portion and the interconnecting part of discharging the road be positioned at discharge Lu Yiduan towards near the opening portion of pump chamber outer circumferential face or discharge near the exhaust port of the road the other end.
5. pump as claimed in claim 4 is characterized in that,
Be positioned near the jar portion and the interconnecting part of discharging the road of exhaust port that discharges the road the other end, have the wall that has predetermined angular with respect to flow direction to exhaust port.
6. pump as claimed in claim 1 or 2 is characterized in that,
From pump chamber to the inflow portion shape of discharging the road is circular or oval.
7. pump as claimed in claim 1 or 2 is characterized in that,
The impeller that has a blade at peripheral part perimembranous within it possesses the circulation road of axial perforation.
8. pump as claimed in claim 1 or 2 is characterized in that,
Interior all sides at impeller are provided with the motor stator that impeller-driven is used by the next door in the housing, and are provided with along the groove of the otch of the stator core of motor stator at the face of the impeller side in described next door.
9. a fluid Supplying apparatus is characterized in that,
Supply with possessing each described pump in the claim 1～7 as liquid.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005341250 | 2005-11-25 | ||
| JP2005341250 | 2005-11-25 | ||
| JP2006261508 | 2006-09-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1971053A CN1971053A (en) | 2007-05-30 |
| CN100458169C true CN100458169C (en) | 2009-02-04 |
Family
ID=38112015
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620147835 Expired - Lifetime CN200982298Y (en) | 2005-11-25 | 2006-11-15 | Pump and liquid supply device possessing the pump |
| CNB2006101485876A Expired - Fee Related CN100458169C (en) | 2005-11-25 | 2006-11-15 | Pump and liquid supply device possessing the pump |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620147835 Expired - Lifetime CN200982298Y (en) | 2005-11-25 | 2006-11-15 | Pump and liquid supply device possessing the pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN200982298Y (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200982298Y (en) * | 2005-11-25 | 2007-11-28 | 松下电工株式会社 | Pump and liquid supply device possessing the pump |
| CN105000336B (en) * | 2014-04-15 | 2018-09-25 | 藤原酿造机械株式会社 | Vertical rotating valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10227291A (en) * | 1997-02-14 | 1998-08-25 | Shibaura Eng Works Co Ltd | Self-priming pump |
| CN2321960Y (en) * | 1997-12-10 | 1999-06-02 | 许妙光 | Self-suction dirty-discharging pump |
| EP1380755A2 (en) * | 2002-07-11 | 2004-01-14 | Nikkiso Company Limited | Self priming regenerative pump |
| JP2004092527A (en) * | 2002-08-30 | 2004-03-25 | Ebara Corp | Priming pump |
| CN200982298Y (en) * | 2005-11-25 | 2007-11-28 | 松下电工株式会社 | Pump and liquid supply device possessing the pump |
-
2006
- 2006-11-15 CN CN 200620147835 patent/CN200982298Y/en not_active Expired - Lifetime
- 2006-11-15 CN CNB2006101485876A patent/CN100458169C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10227291A (en) * | 1997-02-14 | 1998-08-25 | Shibaura Eng Works Co Ltd | Self-priming pump |
| CN2321960Y (en) * | 1997-12-10 | 1999-06-02 | 许妙光 | Self-suction dirty-discharging pump |
| EP1380755A2 (en) * | 2002-07-11 | 2004-01-14 | Nikkiso Company Limited | Self priming regenerative pump |
| JP2004092527A (en) * | 2002-08-30 | 2004-03-25 | Ebara Corp | Priming pump |
| CN200982298Y (en) * | 2005-11-25 | 2007-11-28 | 松下电工株式会社 | Pump and liquid supply device possessing the pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN200982298Y (en) | 2007-11-28 |
| CN1971053A (en) | 2007-05-30 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20151115 |
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| EXPY | Termination of patent right or utility model |