CN202140337U - Water-cooling engine cooling pump and engine thereof - Google Patents
Water-cooling engine cooling pump and engine thereof Download PDFInfo
- Publication number
- CN202140337U CN202140337U CN201120234704U CN201120234704U CN202140337U CN 202140337 U CN202140337 U CN 202140337U CN 201120234704 U CN201120234704 U CN 201120234704U CN 201120234704 U CN201120234704 U CN 201120234704U CN 202140337 U CN202140337 U CN 202140337U
- Authority
- CN
- China
- Prior art keywords
- pump
- impeller
- water
- pump shaft
- engine cooling
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a water-cooling engine cooling pump and an engine thereof, which comprise a pump body, a pump shaft and an impeller. The pump body comprises an impeller cavity and a bearing cavity. One end of the pump shaft penetrates into the impeller cavity to be in transmission match with the impeller, and the other end of the pump shaft coaxially extends out of the bearing cavity. A radial soft sealing assembly for separating the impeller cavity and the bearing cavity in sealing mode is arranged on the pump shaft. The water-cooling engine cooling pump and the engine of the water-cooling engine cooling pump adopt soft sealing to replace existing mechanical sealing, thereby meeting the requirement for sealing, simplifying a water pump sealing structure, facilitating installation and dismounting, lowering size of the water pump, facilitating the water pump installation in the engine, having better sealing effects and no special requirements for installation accuracy and materials and reducing using cost.
Description
Technical field
The utility model relates to a kind of engine accessory equipment, particularly a kind of cooling waterpump and motor thereof that is applicable to water cooled engine.
Background technique
Water cooled engine is to be the motor of the antifreeze liquid of main component as cooling medium with water or with water.Make the cooling water pump circulation through water pump and pipeline, take away the heat that motor sheds, make engine cooling.
Water pump is cooling water circuit power plant, thereby the quality of water pump operation state directly influences the running state of motor; Because the fed sheet of a media of water pump is water or antifreeze liquid, need fully to isolate with lubricant oil, avoid occurring the situation that water gets into to be had, thereby, need water pump to have the little effect of better seal.Simultaneously, water pump is general to be installed on one with motor, then needs water pump to have less and the volume of compactness.Particularly, need motor integral body and water pump to have less compact volume especially, to be adapted to little, the flexible characteristic of motorcycle volume for the motorcycle of water cooled engine.
In the existing technology, for guaranteeing sealing effect, the impeller cavity of water pump (media cavity) (is connected with crankcase with bearing bore; Be convenient to lubricate) between general realize sealing through one group of water-sealed component and one group of Oil sealing assembly; And water-sealed component generally adopts mechanical seal structure, and it is bigger that mechanical seal has a volume, baroque characteristics; Thereby causing the pump body volume big, installing/dismounting and maintenance are comparatively complicated; And mechanical seal is owing to being that end face seals firmly, though good sealing effect.But for having relatively high expectations of material and assembly precision, cost is higher, and rate of fault is than higher.
Therefore, need improve the structure of existing engine cooling water pump, sealing configuration is simple; Be convenient to installation and removal, and can reduce the water pump volume, thereby be convenient in motor, install; Have the better seal effect, installation precision and material are not had specific (special) requirements, reduce user cost.
The model utility content
In view of this, the utility model provides a kind of water cooled engine cooling waterpump and motor thereof, and water pump packing is simple in structure; Be convenient to installation and removal; And can reduce the water pump volume, thus be convenient in motor, install, have the better seal effect; Installation precision and material are not had specific (special) requirements, reduce user cost.
The water cooled engine cooling waterpump of the utility model; Comprise the pump housing, pump shaft and impeller; The pump housing comprises impeller cavity and bearing bore; Said pump shaft one end stretches into impeller cavity and cooperates with the impeller transmission, and the other end coaxial extension goes out bearing bore, and said pump shaft is provided with the radially soft seal assembly with impeller cavity and bearing bore sealed separation.
Further, said radially soft seal assembly comprises that two groups of Sealings have parting seal effect preferably near the water sealing member of impeller cavity side with near the oil seal of bearing bore side, and anti-sealing gets into lubricant oil, influences the normal operation of motor.
Further, corresponding water sealing member chamber and the oil seal chamber of being respectively equipped with of the said pump housing with water sealing member and oil seal, said water sealing member and oil seal are skeleton axle envelope; Simple in structure, easy accessibility, cost is low; And sealing effect is better, further dwindles the volume of the pump housing.
Further; The supporting section of formation and the little Spielpassung of pump shaft between said bearing bore and the oil seal chamber, said bearing bore is provided with a rolling bearing that is coated at pump shaft, and said bearing bore open rearward end also is positioned at engine crankcase; Said housing washer front end is against the radially inner boss that forms in the bearing bore; The rear end is spacing through the back-up ring I that is stuck in the bearing bore inwall, and the rolling bearing inner ring front end is against the shaft shoulder on the pump shaft, and the rear end is spacing through the back-up ring II that is stuck in pump shaft; Adopt a rolling bearing and carry out spacingly, can reduce the axial transmission of pump shaft, simultaneously; Carry out balanced support in conjunction with supporting section, reduce pump housing volume, simple with existing duplex bearing support structure compared; Cost is low, and has avoided not having the inordinate wear of bearings.
Further, through being threaded, the sense of rotation during impeller work makes the self-tightening that is threaded between said impeller and the pump shaft; Along with the rotation of impeller, can not cause looseningly, guarantee join strength.
Further, said pump shaft is positioned at the impeller rear end and is provided with the spacing shaft shoulder, is provided with the abrasionproof packing ring between the said spacing shaft shoulder and the impeller, prevents in installation or the running shaft shoulder to be caused wearing and tearing.
Further, the dismountable mode of said impeller cavity front end is provided with end cap, presses between the said end cap and the pump housing to be provided with seal ring, guarantees sealing.
Further; The end that said pump shaft stretches out bearing bore cooperates with the engine crankshaft transmission through the sprocket driving assembly; Said sprocket driving assembly comprises drive sprocket, driven sprocket and driven chain wheel shaft, and said driven chain wheel shaft is rotatably assorted and is supported in the supporting base that is fixedly installed on the engine crankshaft casing; Said drive sprocket is arranged at engine crankshaft in the circumferencial direction secure fit, and driven sprocket is arranged at the driven chain wheel shaft in the circumferencial direction secure fit, and the driven chain wheel shaft cooperates with the pump shaft transmission; Drive sprocket and driven sprocket are through chain transmission, and chain-driven is beneficial to the layout of each parts, and adaptability is stronger.
Further, be positioned at the pump housing between said water sealing member and the oil seal, guaranteed the isostasy of water seal both sides, avoided water, oil to ooze mutually having under the situation of slight leakage simultaneously by having the relief hole that is in communication with the outside; Said driven chain wheel shaft cooperates through flat axle and the flat groove transmission that the end is provided with pump shaft, connects simple and convenient.
The invention also discloses a kind of motor of using the water cooled engine cooling waterpump, said water cooled engine cooling waterpump is installed on motor.
The beneficial effect of the utility model: the water cooled engine cooling waterpump and the motor thereof of the utility model, adopt soft seal to substitute the existing mechanical sealing, can satisfy seal request; Simplify the water pump packing structure, be convenient to installation and removal, and can reduce the water pump volume; Thereby water pump body is convenient in motor, install; Have the better seal effect, installation precision and material are not had specific (special) requirements, reduce user cost.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Fig. 1 is the utility model structural representation.
Embodiment
Fig. 1 is the utility model mounting structure schematic representation; As shown in the figure: the water cooled engine cooling waterpump of present embodiment; Comprise the pump housing 1, pump shaft 9 and impeller 2; The pump housing 1 comprises impeller cavity 1b and bearing bore 1a, and said pump shaft 9 one ends stretch into impeller cavity 1b and cooperate with impeller 2 transmissions, and the other end coaxial extension goes out bearing bore 1a; Said pump shaft 9 is provided with the radially soft seal assembly with impeller cavity 1b and bearing bore 1a sealed separation, and radially the soft seal assembly comprises the radially black box that seals of stress such as skeleton axle envelope or packing seal.
In the present embodiment; Said radially soft seal assembly comprises near the water sealing member 4 of impeller cavity 1b side with near 5, two groups of Sealings of oil seal of bearing bore 1a side having parting seal effect preferably; Anti-sealing gets into lubricant oil, influences the normal operation of motor.
In the present embodiment; The said pump housing 1 and water sealing member 4 and oil seal 5 corresponding water sealing member chamber 1f and the oil seal chamber 1e of being respectively equipped with, said water sealing member 4 is skeleton axle envelope with oil seal 5, and is simple in structure; Easy accessibility; Cost is low, and sealing effect is better, further dwindles the volume of the pump housing.
In the present embodiment, the supporting section 1d of formation and the little Spielpassung of pump shaft between said bearing bore 1a and the oil seal chamber 1e, little gap is meant the minimum clearance with rotation condition; Said bearing bore 1a is provided with a rolling bearing 6 that is coated at pump shaft 9; Said bearing bore 1a open rearward end also is positioned at engine crankcase; Said rolling bearing 6 outer ring front ends are against the radially inner boss 1c that forms in the bearing bore 1a; The rear end is spacing through the back-up ring I7 that is stuck in bearing bore 1a inwall, and rolling bearing 6 inner ring front ends are against the shaft shoulder 9a on the pump shaft 9, and the rear end is spacing through the back-up ring II8 that is stuck in pump shaft 9; Adopt a rolling bearing 6 and carry out spacingly, can reduce the axial transmission of pump shaft 9, simultaneously; Carry out balanced support in conjunction with supporting section 1d, reduce pump housing volume, simple with existing duplex bearing support structure compared; Cost is low, and has avoided not having the inordinate wear of bearings.
In the present embodiment, through being threaded, the sense of rotation during impeller 2 work makes the self-tightening that is threaded between said impeller 2 and the pump shaft 9; Along with the rotation of impeller, can not cause looseningly, guarantee join strength.
In the present embodiment, said pump shaft 9 is positioned at the impeller rear end and is provided with the spacing shaft shoulder, is provided with abrasionproof packing ring 13 between the said spacing shaft shoulder and the impeller 2, prevents in installation or the running shaft shoulder to be caused wearing and tearing.
In the present embodiment, the dismountable mode of said impeller cavity 1b front end is provided with end cap 3, and is as shown in the figure, through the detachable connection of bolt; Press between the said end cap 3 and the pump housing 9 and be provided with seal ring 16, the assurance sealing.
In the present embodiment; The end that said pump shaft 9 stretches out bearing bore 1a cooperates with engine crankshaft 15 transmissions through the sprocket driving assembly; Said sprocket driving assembly comprises drive sprocket 14, driven sprocket 11 and driven chain wheel shaft 10, and said driven chain wheel shaft 10 is rotatably assorted and is supported in the supporting base 17 that is fixedly installed on the engine crankshaft casing; Said drive sprocket 14 is arranged at engine crankshaft 15 in the circumferencial direction secure fit, and driven sprocket 11 is arranged at driven chain wheel shaft 10 in the circumferencial direction secure fit, and driven chain wheel shaft 10 cooperates with pump shaft 9 transmissions; Drive sprocket 14 passes through chain 12 transmissions with driven sprocket 11, and chain-driven is beneficial to the layout of each parts, and adaptability is stronger.
In the present embodiment, be positioned between said water sealing member 4 and the oil seal 5 pump housing 1 by have be in communication with the outside relief hole 18, guaranteed the isostasy of water seal both sides, avoided water, oil to ooze mutually having under the situation of slight leakage simultaneously; Said driven chain wheel shaft 10 cooperates through flat axle 10a and the flat groove 9b transmission that the end is provided with pump shaft 9, connects simple and convenient.
Present embodiment also discloses a kind of motor of using the water cooled engine cooling waterpump, and said water cooled engine cooling waterpump is installed on motor.
Explanation is at last; Above embodiment is only unrestricted in order to the technological scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technological scheme of the utility model; And not breaking away from the aim and the scope of the utility model technological scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (10)
1. water cooled engine cooling waterpump; Comprise the pump housing, pump shaft and impeller; The pump housing comprises impeller cavity and bearing bore; Said pump shaft one end stretches into impeller cavity and cooperates with the impeller transmission, and the other end coaxial extension goes out bearing bore, it is characterized in that: said pump shaft is provided with the radially soft seal assembly with impeller cavity and bearing bore sealed separation.
2. water cooled engine cooling waterpump according to claim 1 is characterized in that: said radially soft seal assembly comprises near the water sealing member of impeller cavity side with near the oil seal of bearing bore side.
3. water cooled engine cooling waterpump according to claim 2 is characterized in that: corresponding water sealing member chamber and the oil seal chamber of being respectively equipped with water sealing member and oil seal of the said pump housing, said water sealing member and oil seal are skeleton axle envelope.
4. water cooled engine cooling waterpump according to claim 3; It is characterized in that: form supporting section between said bearing bore and the oil seal chamber with the little Spielpassung of pump shaft; Said bearing bore is provided with a rolling bearing that is coated at pump shaft; Said bearing bore open rearward end also is positioned at engine crankcase, and said housing washer front end is against the radially inner boss that forms in the bearing bore, and the rear end is spacing through the back-up ring I that is stuck in the bearing bore inwall; The rolling bearing inner ring front end is against the shaft shoulder on the pump shaft, and the rear end is spacing through the back-up ring II that is stuck in pump shaft.
5. water cooled engine cooling waterpump according to claim 4 is characterized in that: through being threaded, the sense of rotation during impeller work makes the self-tightening that is threaded between said impeller and the pump shaft.
6. water cooled engine cooling waterpump according to claim 5 is characterized in that: said pump shaft is positioned at the impeller rear end and is provided with the spacing shaft shoulder, is provided with the abrasionproof packing ring between the said spacing shaft shoulder and the impeller.
7. water cooled engine cooling waterpump according to claim 6 is characterized in that: the dismountable mode of said impeller cavity front end is provided with end cap, presses between the said end cap and the pump housing to be provided with seal ring.
8. water cooled engine cooling waterpump according to claim 7; It is characterized in that: the end that said pump shaft stretches out bearing bore cooperates with the engine crankshaft transmission through the sprocket driving assembly; Said sprocket driving assembly comprises drive sprocket, driven sprocket and driven chain wheel shaft, and said driven chain wheel shaft is rotatably assorted and is supported in the supporting base that is fixedly installed on the engine crankshaft casing; Said drive sprocket is arranged at engine crankshaft in the circumferencial direction secure fit, and driven sprocket is arranged at the driven chain wheel shaft in the circumferencial direction secure fit, and the driven chain wheel shaft cooperates with the pump shaft transmission; Drive sprocket and driven sprocket are through chain transmission.
9. water cooled engine cooling waterpump according to claim 8 is characterized in that: be positioned between said water sealing member and the oil seal pump housing by have be in communication with the outside relief hole; Said driven chain wheel shaft cooperates through flat axle and the flat groove transmission that the end is provided with pump shaft.
10. an application rights requires the motor of the described water cooled engine cooling waterpump of 1 to 8 arbitrary claim, and it is characterized in that: said water cooled engine cooling waterpump is installed on motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120234704U CN202140337U (en) | 2011-07-05 | 2011-07-05 | Water-cooling engine cooling pump and engine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120234704U CN202140337U (en) | 2011-07-05 | 2011-07-05 | Water-cooling engine cooling pump and engine thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202140337U true CN202140337U (en) | 2012-02-08 |
Family
ID=45551395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120234704U Expired - Fee Related CN202140337U (en) | 2011-07-05 | 2011-07-05 | Water-cooling engine cooling pump and engine thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202140337U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363606A (en) * | 2015-12-15 | 2016-03-02 | 佛山市沃顿数控设备有限公司 | Automatic painting robot |
| CN105715352A (en) * | 2016-04-15 | 2016-06-29 | 力帆实业(集团)股份有限公司 | Water-cooled engine-based water-cooled structure |
| CN108779700A (en) * | 2016-03-16 | 2018-11-09 | 舍弗勒技术股份两合公司 | Vehicle with pumping unit |
| CN109538490A (en) * | 2019-01-09 | 2019-03-29 | 浙江维新汽车配件有限公司 | A kind of automobile cooling water pump |
-
2011
- 2011-07-05 CN CN201120234704U patent/CN202140337U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363606A (en) * | 2015-12-15 | 2016-03-02 | 佛山市沃顿数控设备有限公司 | Automatic painting robot |
| CN108779700A (en) * | 2016-03-16 | 2018-11-09 | 舍弗勒技术股份两合公司 | Vehicle with pumping unit |
| CN105715352A (en) * | 2016-04-15 | 2016-06-29 | 力帆实业(集团)股份有限公司 | Water-cooled engine-based water-cooled structure |
| CN109538490A (en) * | 2019-01-09 | 2019-03-29 | 浙江维新汽车配件有限公司 | A kind of automobile cooling water pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104061317B (en) | Gear reduction unit high speed shaft non-contacting seal device | |
| CN201599397U (en) | Speed reducer | |
| CN202140337U (en) | Water-cooling engine cooling pump and engine thereof | |
| CN205078456U (en) | Two shell sediment stuff pumps | |
| CN101482154B (en) | Hydraulic brake | |
| CN1821602A (en) | High performance water lubricating mechanical driving system | |
| CN105328798B (en) | Power-equipment, groove milling machine actuating device and slotter | |
| CN206174962U (en) | Be applied to disc cutter's novel pressure balance adjusting device | |
| CN109751402B (en) | Vehicle-mounted coalbed methane drill power head reduction gearbox | |
| CN101215985B (en) | Water cooling engine for motor cycle | |
| CN105065276A (en) | Combined type sealing device of dry screw vacuum pump | |
| CN101216040A (en) | Water pump mounted on water-cooled engine cylinder of motorcycle | |
| CN201354818Y (en) | Hydraulic brake | |
| CN2934680Y (en) | Improved pump without sealing liquor for chemical industry | |
| CN206708370U (en) | A kind of belt mud dewatering equipment roller bearing sealing structure | |
| CN106594250B (en) | Lubrication mechanism for planetary gear train supporting bearing in wind power gear box | |
| CN215521957U (en) | Improved generation filter equipment | |
| CN109538745A (en) | The connection spline lubricating structure of electric commercial vehicle motor and gearbox | |
| CN212250170U (en) | Camshaft structure | |
| CN201198830Y (en) | Oil pump for gear box | |
| CN108571592B (en) | Mechanical structure's seal assembly | |
| CN105909769A (en) | Dry type self-lubricating wheel edge assembly for rear axle of land leveler | |
| CN207813916U (en) | A kind of oil pump | |
| CN201934574U (en) | Novel flywheel assembly | |
| CN201723360U (en) | No-heeling moment automatic compensation type high-pressure oil distributing mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20130705 |