CN105715556A - Water pump assembly - Google Patents
Water pump assembly Download PDFInfo
- Publication number
- CN105715556A CN105715556A CN201610222472.0A CN201610222472A CN105715556A CN 105715556 A CN105715556 A CN 105715556A CN 201610222472 A CN201610222472 A CN 201610222472A CN 105715556 A CN105715556 A CN 105715556A
- Authority
- CN
- China
- Prior art keywords
- water
- impeller
- water pump
- ring
- intake tunnel
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
Abstract
The invention discloses a water pump assembly which comprises a shell and an impeller arranged in the shell, wherein a water inlet port and a water outlet port are formed in the shell; a water inlet channel which is communicated with the water inlet port is formed in the shell; the water inlet end surface of the impeller is arranged towards the water inlet channel; and the water outlet port and the side part of the impeller mutually penetrate through each other. The water pump assembly is characterized in that the impeller is extended with at least one water retaining ring in the direction of the water inlet channel; a water retaining groove which is adapted to the water retaining ring is formed in the water inlet channel; and the water retaining ring rotates along with the impeller in the water retaining groove. According to the water pump assembly, with arrangement of the water retaining ring and the water retaining groove, the backwater effect of a water pump is effectively prevented, and thus the water pump assembly which can improve the volume efficiency of the water pump to a greater extend is provided.
Description
Technical field
The invention belongs to pump technology field, especially a kind of water pump complement for automobile industry.
Background technology
In automobile industry, after automobile long-play, internal work parts produce substantial amounts of heat, it is necessary to utilize water pump to cool down.Existing water pump complement includes housing 1 ' and the impeller 2 ' being placed in housing 1 ', as shown in Figure 1, housing 1 ' has into water port and water outlet port, water inlet port connects with the intake tunnel in housing 1 ', water outlet port connects with the exhalant canal in housing 1 ', impeller 2 ' is connected with spreading out of housing 1 ' driving axle outward, drive and the outer end of axle is provided with belt wheel 3 ', the power from engine spindle is utilized to be rotated by belt drive belt wheel 3 ', thus driving impeller 2 ' to rotate in housing 1 ', after cooling water enters from water inlet port, under the effect of impeller 2 ', discharge from water outlet port.
What generally adopt in existing water pump complement is centrifugal water pump, i.e. cooling water discharging axially into from the lateral of impeller from impeller, therefore, it is low pressure at the intake tunnel place of water pump, namely the end regions being in impeller in water pump is low pressure, is high pressure at the exhalant canal place of water pump, and the lateral region being namely in impeller in water pump is high pressure, but intake tunnel and exhalant canal communicate in existing water pump complement, impeller is placed in the junction between intake tunnel and exhalant canal.In pump working process, the water under high pressure being in impeller sidepiece is caused again to be back to the end of impeller, from the cooling water that water inlet port enters, part water is wherein had to become backwater, backwater refers to the water under high pressure backwater of impeller sidepiece to impeller end, thus decreasing the water yield of water outlet port, reduces the volumetric efficiency of water pump, wherein, volumetric efficiency refers to that the actual fluid sent and ideal do not leak the ratio that can send fluid under situation.
Summary of the invention
The technical problem to be solved in the present invention is the present situation for prior art, it is provided that a kind of water pump complement, it is possible to the path that upper obstruct water pump inner high voltage water flows to low-pressure area largely, thus improving water pump volumetric efficiency largely.
This invention address that the technical scheme that above-mentioned technical problem adopts is: a kind of water pump complement, including housing and the impeller being placed in housing, described housing has into water port and water outlet port, there is the intake tunnel communicated with water inlet port in housing, the water inlet end of described impeller is facing to intake tunnel, the sidepiece of described water outlet port and impeller connects, it is characterized in that: described impeller is extended with at least one drip ring along intake tunnel direction, described intake tunnel is formed the water-blocking groove suitable with this drip ring, drip ring in water-blocking groove with wheel rotation.
Further, described impeller is extended with first gear water ring and second gear water ring along intake tunnel direction, the medial wall of first gear water ring laminating intake tunnel, second gear water ring inserts in the water-blocking groove in housing, the root of first gear water ring and second gear water ring is connected, by arranging multiple tracks drip ring and water-blocking groove can improve the volumetric efficiency of water pump better, but the increasing number of drip ring, then add machining accuracy and the installation difficulty of the guiding gutter of impeller and housing, for this, preferably, the present invention takes volumetric efficiency into consideration, machining accuracy and installation difficulty, selection arranges first gear water ring and second gear water ring.
As improvement, the medial wall of described intake tunnel is formed a step, in the outer wall laminating of described first gear water ring and the sidewall of step, the medial wall of intake tunnel is concordant with the medial wall of first gear water ring, thus reducing the water come in the intake tunnel impact to impeller drip ring, reduce the interference effect of drip ring.
Improving, described first gear water ring is higher than second gear water ring again, consequently facilitating the assembling of impeller.
Improve again, the cell wall of described water-blocking groove is formed with inclined-plane, consequently facilitating impeller drip ring is installed in water-blocking groove.
Improve again, described impeller includes multiple blades of radial distribution, and the horizontal cross-section of blade is streamlined, and fairshaped blade is relative to the more enough effects better adapting to current of the water pump blade being currently used for automobile, the discharge pressure of bigger water outlet port, improves the hydraulic efficiency of water pump.
Improving, the top fore-and-aft tilt of described blade, longitudinally vertically, the upper angled structure of blade is used for increasing hydraulic efficiency in bottom, coordinates the vertical structure of bottom, it is simple to the die sinking molding of blade again.
Improve again, described impeller also includes a pallet, through hole is had in the middle of this pallet, the card of pallet is from intermediate elevation to periphery wall lower cambered surface transition, and the bottom of blade fits in card, on the one hand, pallet plays and prevents water penetration from entering in the bearing block driving wheel rotation, on the other hand, pallet can also coordinate the blade guide effect to current so that water can throw away along pallet along the sidepiece of blade after flowing to the effect of blade.
Improving, described pallet and blade are split part or the part that is formed in one again, and adopt Split type structure, are conducive to the molding of blade and pallet；Adopt integrative-structure, improve the steadiness connected between blade and pallet.
Improve again, described housing includes upper shell and lower house, opposite sides at lower house is provided with the first hole, location, upper shell is provided with and positions the second hole, location that hole is corresponding with first, position first and be provided with alignment pin between hole and the second hole, location, realize the drip ring of impeller insert in the water-blocking groove of housing and be capable of the rotation of impeller, need significantly high machining accuracy and matching requirements, by arranging hole, location and alignment pin, after upper shell and lower house are installed and are put in place, the drip ring of impeller also is able to be installed on as requested water-blocking groove, thus reducing the installation difficulty of water pump.
Compared with prior art, owing to it is an advantage of the current invention that: after cooling water enters from the water inlet port of water pump, flow through intake tunnel, effect through impeller, add the hydraulic pressure of cooling water, the water outlet port of water pump is flowed out from the sidepiece of impeller after being thrown away by cooling water, due to the fact that and on impeller, be provided with drip ring and on housing, be provided with water-blocking groove, cut off the direct effect in low pressure pool, impeller end and impeller sidepiece water under high pressure district, impeller sidepiece water under high pressure wants backwater to the low pressurized water district of impeller end, then have to flow through water-blocking groove, add the path of current, simultaneously, owing to the gap between water-blocking groove and drip ring is very little, not easily current flow through, thus preventing the ubiquitous backwater effect of existing water pump, ensure that the cooling water entered from water inlet port can flow out from water outlet port to greatest extent, substantially increase the volumetric efficiency of water pump.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing water pump；
Fig. 2 is the structural representation of water pump complement in the embodiment of the present invention；
Fig. 3 is the decomposition texture schematic diagram of water pump complement in the embodiment of the present invention；
Fig. 4 is the structural representation (band pallet) of impeller in Fig. 3；
Fig. 5 is the decomposition texture schematic diagram of Fig. 4；
Fig. 6 is Fig. 5 structural representation in the other directions；
Fig. 7 is the partial enlarged drawing at A place in Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
If Fig. 2 is to shown in 7, the water pump complement in this enforcement, including housing 1, impeller 2, alignment pin 5, bolt 6, driving axle 4, belt wheel 3 etc..
Wherein, housing 1 includes upper shell 11 and lower house 12, upper shell 11 and lower house 12 connect by bolt 6 is fixing, it is provided with sealing ring between the connecting end surface of upper shell 11 and lower house 12, upper shell 11 have into water port 113 and water outlet port 114, upper shell 11 has the intake tunnel 111 communicated with water inlet port 113 and the outlet pipe 112 communicated with water outlet port 114 simultaneously, a cavity volume it is formed with between upper shell 11 and lower house 12, impeller 2 and be placed in this cavity volume, lower house 12 is formed the drainage trough 121 being connected with this cavity volume, outlet pipe 112 is connected to above drainage trough 121, intake tunnel 111 is longitudinally arranged, the water inlet end of impeller 2 is facing to intake tunnel 111, the sidepiece of drainage trough 121 and impeller 2 connects, impeller 2 is extended with at least one drip ring along intake tunnel 111 direction, intake tunnel 111 is formed the water-blocking groove suitable with this drip ring, drip ring rotates with impeller 2 in water-blocking groove.Axle 4 is driven to be placed in lower house 12, the one end driving axle 4 connects impeller 2, the other end driving axle 4 stretches out lower house 12, it is connected to belt wheel 3 at the other end driving axle 4, the power from engine spindle is utilized to be rotated by belt drive belt wheel 3, thus driving impeller 2 to rotate in housing 1, after cooling water enters from water inlet port 113, under the effect of impeller 2, discharge from water outlet port 114.
Further, impeller 2 is extended with first gear water ring 22 and second gear water ring 23 along intake tunnel 111 direction, first gear water ring 22 is fitted the medial wall of intake tunnel 111, second gear water ring 23 inserts in the water-blocking groove 116 in housing 1, the root of first gear water ring 22 and second gear water ring 23 is connected, by arranging multiple tracks drip ring and water-blocking groove can improve the volumetric efficiency of water pump better, but the increasing number of drip ring, then add machining accuracy and the installation difficulty of the guiding gutter of impeller 2 and housing 1, for this, the present invention takes volumetric efficiency into consideration, machining accuracy and installation difficulty, selection arranges first gear water ring 22 and second gear water ring 23.
Further, the medial wall of intake tunnel 111 is formed a step 115, in the outer wall laminating of first gear water ring 22 and the sidewall of step 115, the medial wall of intake tunnel 111 is concordant with the medial wall of first gear water ring 22, thus reducing the water come in intake tunnel 111 impact to impeller 2 drip ring, reduce the interference effect of drip ring.
For the ease of the assembling of impeller 2, first gear water ring 22, higher than second gear water ring 23, meanwhile, the cell wall of water-blocking groove 116 is formed with inclined-plane, consequently facilitating impeller 2 drip ring is installed in water-blocking groove 116.
Additionally, impeller 2 includes multiple blades 21 of radial distribution, and the horizontal cross-section of blade 21 is streamlined, and fairshaped blade 21 is relative to the more enough effects better adapting to current of the water pump blade being currently used for automobile, the discharge pressure of bigger water outlet port 114, improves the hydraulic efficiency of water pump；The top fore-and-aft tilt of blade 21, longitudinally vertically, the upper angled structure of blade 21 is used for increasing hydraulic efficiency in bottom, coordinates the vertical structure of bottom, it is simple to the die sinking molding of blade 21.
In addition, impeller 2 also includes a pallet 24, through hole is had in the middle of this pallet 24, the card of pallet 24 is from intermediate elevation to periphery wall lower cambered surface transition, and the bottom of blade 21 fits in card, on the one hand, pallet plays and prevents water penetration from entering in the bearing block driving impeller 2 rotation, on the other hand, pallet 24 can also coordinate the blade 21 guide effect to current so that water can throw away along pallet 24 along the sidepiece of blade 21 after flowing to the effect of blade 21.Pallet 24 and blade 21 are split part or the part that is formed in one, and adopt Split type structure, are conducive to blade 212 and the molding of pallet 24；Adopt integrative-structure, improve the steadiness connected between blade 21 and pallet 24.
Finally, in order to reduce the installation difficulty of water pump, opposite sides at lower house 12 is provided with the first hole, location 122, upper shell 11 is provided with and positions the second hole, location that hole 122 is corresponding with first, position first and be provided with alignment pin 5 between hole 122 and the second hole, location, bolt 6 traverse alignment pin 5.Drip ring owing to realizing impeller 2 inserts in the water-blocking groove of housing 1 and is capable of the rotation of impeller 2, need significantly high machining accuracy and matching requirements, by arranging hole, location and alignment pin 5, after upper shell 11 and lower house 12 are installed and are put in place, the drip ring of impeller 2 also is able to be installed on as requested water-blocking groove, thus reducing the installation difficulty of water pump.
To sum up, after cooling water enters from the water inlet port 113 of water pump, flow through intake tunnel 111, effect through impeller 2, add the hydraulic pressure of cooling water, the water outlet port 114 of water pump is flowed out from the sidepiece of impeller 2 after being thrown away by cooling water, due to the fact that and on impeller 2, be provided with drip ring and be provided with water-blocking groove on housing 1, cut off the direct effect of low pressurized water district, impeller 2 end and impeller 2 sidepiece high pressure pool, impeller 2 sidepiece water under high pressure wants backwater to the low pressurized water district of impeller 2 end, then have to flow through water-blocking groove, add the path of current, simultaneously, owing to the gap between water-blocking groove and drip ring is very little, not easily current flow through, thus preventing the ubiquitous backwater effect of existing water pump, ensure that the cooling water entered from water inlet port 113 can flow out from water outlet port 114 to greatest extent, substantially increase the volumetric efficiency of water pump.
Claims (10)
1. a water pump complement, including housing (1) and the impeller (2) that is placed in housing (1), described housing (1) has into water port (113) and water outlet port (114), there is the intake tunnel (111) communicated with water inlet port (113) in housing (1), the water inlet end of described impeller (2) is facing to intake tunnel (111), the sidepiece of described water outlet port (113) and impeller (2) connects, it is characterized in that: described impeller (2) is extended with at least one drip ring along intake tunnel (111) direction, described intake tunnel is formed with the water-blocking groove suitable with this drip ring on (111), drip ring rotates with impeller (2) in water-blocking groove.
2. water pump complement according to claim 1, it is characterized in that: described impeller (2) is extended with first gear water ring (22) and second gear water ring (23) along intake tunnel (111) direction, the medial wall of first gear water ring (22) laminating intake tunnel (111), second gear water ring (23) inserts in the water-blocking groove (116) in housing (1), and the root of first gear water ring (22) and second gear water ring (23) is connected.
3. water pump complement according to claim 2, it is characterized in that: the medial wall of described intake tunnel (111) is formed a step (115), the outer wall laminating of described first gear water ring (22) is with on the sidewall of step (115), and the medial wall of intake tunnel (111) is concordant with the medial wall of first gear water ring (22).
4. water pump complement according to claim 2, it is characterised in that: described first gear water ring (22) is higher than second gear water ring (23).
5. water pump complement according to claim 2, it is characterised in that: the cell wall of described water-blocking groove (116) is formed with inclined-plane.
6. water pump complement according to claim 1, it is characterised in that: described impeller (2) includes multiple blades (21) of radial distribution, and the horizontal cross-section of blade (21) is streamlined.
7. water pump complement according to claim 6, it is characterised in that: the top fore-and-aft tilt of described blade (21), bottom is longitudinally vertically.
8. water pump complement according to claim 6, it is characterized in that: described impeller (2) also includes a pallet (24), through hole is had in the middle of this pallet (24), the card of pallet (24) is from intermediate elevation to periphery wall lower cambered surface transition, and the bottom of blade (21) fits in card.
9. water pump complement according to claim 8, it is characterised in that: described pallet (24) and blade (21) they are split part or the part that is formed in one.
10. water pump complement according to claim 9, it is characterized in that: described housing (1) includes upper shell (11) and lower house (12), opposite sides at lower house (12) is provided with the first hole, location (122), upper shell (11) is provided with and positions the second hole, location that hole (122) is corresponding with first, position first and be provided with alignment pin (5) between hole (122) and the second hole, location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222472.0A CN105715556A (en) | 2016-04-11 | 2016-04-11 | Water pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222472.0A CN105715556A (en) | 2016-04-11 | 2016-04-11 | Water pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105715556A true CN105715556A (en) | 2016-06-29 |
Family
ID=56160828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610222472.0A Pending CN105715556A (en) | 2016-04-11 | 2016-04-11 | Water pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105715556A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989053A (en) * | 2017-04-28 | 2017-07-28 | 威隼汽车科技（宁波）有限公司 | A kind of auto pump |
| CN107448395A (en) * | 2017-07-25 | 2017-12-08 | 华纳圣龙（宁波）有限公司 | A kind of anti-jamming electronic water pump and its anti-jamming manufacturing process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006144735A (en) * | 2004-11-24 | 2006-06-08 | Suzuki Motor Corp | Water pump |
| CN202926709U (en) * | 2012-10-29 | 2013-05-08 | 重庆长安汽车股份有限公司 | Water pump impeller of automobile |
| CN103398020A (en) * | 2013-08-15 | 2013-11-20 | 长沙山水节能研究院有限公司 | Water pump wear-ring sealing device and wear-ring thereof |
| CN103452908A (en) * | 2013-09-02 | 2013-12-18 | 奇瑞汽车股份有限公司 | Centrifugal water pump for automobile |
| CN203670269U (en) * | 2013-06-05 | 2014-06-25 | 宁波方太厨具有限公司 | Open type water pump |
| CN203809358U (en) * | 2014-04-30 | 2014-09-03 | 宜兴市宙斯泵业有限公司 | Lining plastic/total plastic centrifugal pump |
| CN205423182U (en) * | 2016-04-11 | 2016-08-03 | 华纳圣龙（宁波）有限公司 | Water pump assembly |
-
2016
- 2016-04-11 CN CN201610222472.0A patent/CN105715556A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006144735A (en) * | 2004-11-24 | 2006-06-08 | Suzuki Motor Corp | Water pump |
| CN202926709U (en) * | 2012-10-29 | 2013-05-08 | 重庆长安汽车股份有限公司 | Water pump impeller of automobile |
| CN203670269U (en) * | 2013-06-05 | 2014-06-25 | 宁波方太厨具有限公司 | Open type water pump |
| CN103398020A (en) * | 2013-08-15 | 2013-11-20 | 长沙山水节能研究院有限公司 | Water pump wear-ring sealing device and wear-ring thereof |
| CN103452908A (en) * | 2013-09-02 | 2013-12-18 | 奇瑞汽车股份有限公司 | Centrifugal water pump for automobile |
| CN203809358U (en) * | 2014-04-30 | 2014-09-03 | 宜兴市宙斯泵业有限公司 | Lining plastic/total plastic centrifugal pump |
| CN205423182U (en) * | 2016-04-11 | 2016-08-03 | 华纳圣龙（宁波）有限公司 | Water pump assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989053A (en) * | 2017-04-28 | 2017-07-28 | 威隼汽车科技（宁波）有限公司 | A kind of auto pump |
| CN107448395A (en) * | 2017-07-25 | 2017-12-08 | 华纳圣龙（宁波）有限公司 | A kind of anti-jamming electronic water pump and its anti-jamming manufacturing process |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160629 |
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| RJ01 | Rejection of invention patent application after publication |