CN102072005A - Water pump for cooling motorcycle engine and motorcycle engine comprising same - Google Patents
Water pump for cooling motorcycle engine and motorcycle engine comprising same Download PDFInfo
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- CN102072005A CN102072005A CN 201110007323 CN201110007323A CN102072005A CN 102072005 A CN102072005 A CN 102072005A CN 201110007323 CN201110007323 CN 201110007323 CN 201110007323 A CN201110007323 A CN 201110007323A CN 102072005 A CN102072005 A CN 102072005A
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Abstract
The invention discloses a water pump for cooling a motorcycle engine, which is easier to process and improves user performance. The water pump for cooling a motorcycle engine at least comprises a pump body, a pump cover, a pump spindle, an impeller and a pump chamber, wherein the pump body is independent to the motorcycle engine and is in straight pipe shape; one end of the pump body is provided with a mounting disc connected with the pump cover by bolts; the pump chamber is a space formed towards the inner side of the pump cover by taking the mounting end surface of the pump cover as the bottom; the pump chamber just can contain the impeller and is provided with an in-pump water channel of which the orthographic projection is an Archimedean curve; a water inlet pipe and a water outlet pipe are integrally arranged on the pump cover; and a water outlet duct of the water outlet pipe is tangentially communicated with the in-pump water channel.
Description
Technical field
The invention belongs to technical field of engines, be specifically related to motorcycle engine cooling water pump and have the motorcycle engine of this water pump.
Background technique
The motorcycle engine cooling water pump of prior art, the housing of its pump housing is designed to the part of motor case lid, outlet pipe also is arranged on engine case and covers, not only difficulty of processing is big, the loading and unloading of water pump, maintenance all need the case lid of disassembling and assembling engine simultaneously, and want the dismounting case lid, also need to emit in advance in-engine machine oil, also relate to engine housing interior other assembling, dismountings, program complexity, consuming time many by the parts of case lid supporting.In addition, the motorcycle engine cooling water pump of prior art, in the design that relates to pump performance, the orthographic projection of its pump inner lead is circular (as shown in Figure 3), the outlet of pump inner lead is with the water channel of outlet pipe or be not tangential the connection, its center line staggers, and causes the waterexit end resistance of pump to increase, and influences the discharge pressure of pump and goes out water flow velocity; Simultaneously, the internal diameter of its inlet tube and outlet tube is identical, is unfavorable for improving the water-outlet quantity and the discharge pressure of pump.The of this sort prior art number of being disclosed is that the Chinese patent of CN1293289C is disclosed, its related water pump complement comprises water pump cover, water pump vane, axle, outlet pipe, intake pipe, seal arrangement, on the right case lid of motor, there is one groove is installed, the seal arrangement of water pump complement is inlaid in the groove, water pump cover by three screw on the right case lid of motor, its intake pipe is positioned on the water pump cover, and outlet pipe is positioned on the right case lid of motor.When aforementioned this pump is used on the motor of motor tricycle, beach buggy, because engine location is lower and its lining cover piece coats, the cooling of motor mainly relies on cooling waterpump with the cooling water heat radiation that circulates, and this pump is because there is the shortcoming in the aforementioned properties design in it, its water-outlet quantity is little, lift is low, the cooling water circulation is slow, and the heat radiation that can not satisfy motor requires and then influence the service behaviour of motor.
Summary of the invention
First purpose of the present invention is at the problem that prior art exists, to propose the water pump that a kind of difficulty of processing is low, be convenient to unload at the enterprising luggage of motorcycle engine, keep in repair and can improve water-outlet quantity, lifting lift, increase flow velocity.
Second purpose of the present invention provides a kind of motorcycle engine that is fitted with aforementioned invention water pump, its water pump loading and unloading, easy to maintenance and have preferably water-outlet quantity, lift and go out water flow velocity.
For reaching above-mentioned purpose, the present invention proposes a kind of motorcycle engine cooling water pump, this water pump comprises the pump housing, pump cover, pump shaft, impeller and pump chamber at least, the inlet tube and outlet tube of water pump is connected with pump chamber, the shaft axis of pump shaft is perpendicular to the installation end face of the pump housing and pump cover and be rotatably installed in the described pump housing, one end of pump shaft is the power intake of water pump, the other end is installed in impeller in the pump chamber, this water pump is characterised in that: the pump housing is independent of motorcycle engine, this pump housing is a straight tube-like, and the one end is provided with mounting disc and is connected by bolt with pump cover.
On the such scheme basis, the pump chamber of this motorcycle engine cooling water pump serves as the space of bottom to the inboard formation of pump cover with the installation end face of pump cover preferably, can just hold impeller and be provided with the pump inner lead that orthographic projection is an archimedes curve; Inlet tube and outlet tube is wholely set on pump cover, and the water outlet of outlet pipe tangentially communicates with the pump inner lead.
On the basis of above-mentioned two kinds of schemes, the internal diameter of the intake pipe of this motorcycle engine cooling water pump is designed to be bigger than the internal diameter of outlet pipe.
Above-mentioned design proposal, can make water pump be independent of motorcycle engine, avoid covering the housing and the outlet pipe of the processing pump housing, reduce difficulty of processing at engine case, save processing cost, also provide condition for its independent installation, dismounting, maintenance on motorcycle engine.Form pump chamber, water channel on the pump cover, be convenient to turnover water pipe is arranged on the pump cover, compared with prior art, the shared space of also not obvious increase pump; The water outlet that the pump inner lead is designed to archimedes curve shape, outlet pipe tangentially communicates with the pump inner lead, the intake pipe internal diameter is greater than the outlet pipe internal diameter, can reduce the resistance of water, can increase discharge pressure in pump output and the outlet pipe, thereby improves lift and go out water flow velocity.
Further, on the such scheme basis, radially be provided with at least one scrobicular ring on the pump housing straight tube of this water pump.
Further, the power intake of this water pump is equipped with actuation gear.
These two designs mainly are when satisfying this water pump and being installed on the motorcycle engine, the needs in sealing and power input.
Above-mentioned water pump is mainly used in motorcycle engine.So:
The present invention proposes a kind of motorcycle engine in addition, cover at the right crankcase of motor and to dispose water pump, water pump provides power by motorcycle engine, this water pump comprises the pump housing, pump cover, pump shaft, impeller and pump chamber at least, the inlet tube and outlet tube of water pump is connected with pump chamber, the shaft axis of pump shaft is perpendicular to the installation end face of the pump housing and pump cover and be rotatably installed in the described pump housing, one end of pump shaft is the power intake of water pump, the other end is installed in impeller in the pump chamber, it is characterized in that above-mentioned water pump is independent of right crankcase cover; The pump housing of this water pump is a straight tube-like, covers at right crankcase and is correspondingly provided with the straight tube-like erection support, and the pump housing passes erection support and its Spielpassung and is installed in right crankcase by bolt and covers.
In this case, at least one scrobicular ring can be set radially on the straight tube of the pump housing of water pump, cover O RunddichtringO on the scrobicular ring.
According to this scheme, water pump can carry out dismounting from right crankcase cover of motorcycle engine independently, does not influence the miscellaneous part by the right crankcase cover supporting, does not also need to emit in advance the machine oil in the engine housing, and installation, easy maintenance are saved time; Overlap the O RunddichtringO on the pump housing scrobicular ring, guaranteed the sealing problem of engine housing and water pump, sealing configuration is simple.
In addition, this motorcycle engine, the pump chamber of its water pump will serve as that the bottom forms to the pump cover inboard with the installation end face of pump cover, its space can just hold impeller and the pump inner lead that orthographic projection is an archimedes curve is set in this space; Inlet tube and outlet tube is wholely set on pump cover, and the water outlet of outlet pipe tangentially is communicated with the pump inner lead.
Further, this motorcycle engine, the internal diameter of the intake pipe of its water pump designs greatlyyer than the internal diameter of outlet pipe.
According to such scheme, resistance in the time of can reducing water pump pump water, and increase the water yield enter the pump inner lead, flow, flow velocity, the pressure of water pump water outlet are increased, thereby increase the motorcycle engine cooling with flow, flow velocity and the energy pump of circulating water to higher position (promptly having higher lift), even thereby such motorcycle engine is used to motor tricycle and beach buggy etc. to the higher occasion of engine water cooling effect requirements, motor provided by the present invention also can satisfy its demand fully.
Motorcycle engine provided by the invention is equipped with actuation gear at the power intake of its water pump, and the elementary driven gear engagement of this actuation gear and motorcycle engine is for water pump provides power.
Description of drawings
Fig. 1 is a motorcycle engine cooling water pump structure schematic representation of the present invention.
Fig. 2 is the worm's eye view of motorcycle engine cooling water pump pump cover of the present invention.
Fig. 3 is the worm's eye view of prior art motorcycle engine cooling water pump pump cover.
Fig. 4 is the schematic representation of motorcycle engine of the present invention (positive apparent direction).
Fig. 5 is an A-A section partial structurtes schematic representation among Fig. 4.
Among the figure, 4 is water pump, and 2 is the pump housing, and 21 are mounting disc, 22 is scrobicular ring, and 23 is the O RunddichtringO, and 6 is pump cover, and 61,62,63 is the water pump mounting hole, 64,65,66 is pump housing mounting hole, and 7,9 is inlet tube and outlet tube, and 8 is impeller, 10 is pump shaft, and 1 is power intake, and 101 is actuation gear, and 102 is elementary driven gear, 103 is bearing, and 104 is oil sealing, and 105 are water seal, and 11 is pump chamber, 110 is the pump inner lead, and 5 is bolt, and 3 is right crankcase cover, and 31 is erection support.
Embodiment
Reaching embodiment below at first in conjunction with the accompanying drawings further specifies motorcycle engine cooling water pump of the present invention.
As shown in Figure 1 and Figure 2, the pump housing 2 of water pump is independent of motorcycle engine, is straight tube-like, is provided with scrobicular ring 22 one at the straight tube end; One end of the pump housing 2 has mounting disc 21, and mounting disc 21 is provided with three mounting holes that run through; Pump shaft 10 is housed in the pump housing 2, the shaft axis of pump shaft 10 is perpendicular to the installation end face of the pump housing 2 and pump cover 6 and be rotatably installed in the pump housing 2, one end of pump shaft 10 is the power intake 1 of water pump, and 1 place is equipped with water pump driving gear 101 at power intake, and the other end of pump shaft 10 is equipped with impeller 8; On pump shaft 10, be equiped with water seal 105, oil sealing 104 and two bearings 103 in the pump housing 2; It is the pump chamber 11 that one of bottom side formation within it can just be held impeller 8 and be provided with the pump inner lead 110 that orthographic projection is an archimedes curve (by arising from the b point among Fig. 2 along terminating in the d point water channel that formed counterclockwise) that pump cover 6 is installed end face with it, inlet tube and outlet tube 7,9 one are located on the pump cover 6 and with pump chamber 11 and are connected, wherein, the water outlet of outlet pipe 9 communicates in direction tangential with the outlet of pump inner lead, the internal diameter of intake pipe 7 is greater than the internal diameter of outlet pipe 9, on the pump cover 6 with corresponding three pump housing mounting holes 64,65,66 that are provided with of mounting hole on the pump housing 2.By three bolts 5, the pump housing 2 is fixed on the pump cover 6, adds the O RunddichtringO between the pump housing 2 and the pump cover 6.Simultaneously, be provided with three water pump mounting holes 61,62,63 that run through the pump housing 2 and pump cover 6 on the water pump in addition, to realize the installation of water pump on motorcycle engine.
In concrete the application, the power intake 1 of water pump 4 is except that can also realizing the input of power by other shaft coupling modes or Placement by the gear engagement; Also can install pad between the pump housing 2 and the pump cover 6 additional and realize sealing.
Motorcycle engine cooling water pump of the present invention, the directly housing and the outlet pipe of the processing pump housing on the motorcycle engine case lid, and pump chamber, turnover water pipe all are located on the pump cover, processs easier and the saving processing charges; The pump inner lead is changed into archimedes curve shape, outlet pipe by circle water outlet tangentially communicates setting, intake pipe internal diameter greater than the outlet pipe internal diameter with the pump inner lead, these improvement, can both reduce the resistance of water, increase discharge pressure in pump output and the outlet pipe, thereby improve lift and go out water flow velocity, and then can improve the engine cooling effect on being applied to motorcycle engine the time, improve its performance.
Below more in conjunction with the accompanying drawings and embodiments to having used the invention of above-mentioned water pump---a kind of motorcycle engine is described further.
As Fig. 4, shown in Figure 5, on the right crankcase cover 3 of motorcycle engine water pump 4 is installed, this water pump 4 is independent of right crankcase cover 3.This water pump 4 is provided with three water pump mounting holes 61,62,63 that run through the pump housing 2 and pump cover 6, the pump housing 2 of this water pump 4 is a straight tube-like, respectively be provided with one scrobicular ring 22 at the straight tube two ends, respectively overlap an O RunddichtringO 23 on the scrobicular ring 22, corresponding, be correspondingly provided with straight tube-like erection support 31 and three water pumps installation tapped holes on right crankcase cover 3, the pump housing 2 passes this erection support 31 and seals with its Spielpassung and by the O RunddichtringO; Power intake 1 place of this water pump 4 is equipped with water pump driving gear 101, and the elementary driven gear 102 in water pump gear 101 and the crankshaft box of motorcycle engine is meshed and thinks that water pump 4 provides power; It is the pump chamber 11 that one of bottom side formation within it can just be held impeller 8 and be provided with the pump inner lead 110 that orthographic projection is an archimedes curve (by arising from the b point among Fig. 2 along terminating in the d point water channel that formed counterclockwise) that the pump cover 6 of this water pump 4 is installed end face with it, inlet tube and outlet tube 7,9 one are located on the pump cover 6 and with pump chamber 11 and are connected, wherein, the water outlet of outlet pipe 9 communicates in direction tangential with the outlet of pump inner lead, and the internal diameter of intake pipe 7 is greater than the internal diameter of outlet pipe 9.For ease of water pump 4 erection support 31 of packing into, the outer openings place of erection support 31 has made chamfered.
Equally, in concrete the application, the power intake 1 of water pump 4 is except that passing through the gear engagement, also can realize the input of power by other shaft coupling modes or Placement, both can by with crankcase in the engagement of elementary driven gear 102 obtain power, also can be by obtaining power with in-engine timing gear or other gear engagement; Also can install pad additional between water pump 4 and the right crankcase cover 3 and realize sealing at attachment face.
During assembling, the O RunddichtringO respectively is inserted at twice scrobicular ring 22 places at water pump 4, with the pump housing straight tube end of water pump 4 pack on the right crankcase cover 3 straight tube-like erection support 31 and make elementary driven gear 102 engagements of actuation gear 101 and motorcycle engine on the power intake 1, mounting hole on alignment water pump 4 and the right crankcase cover 3 is tightened with bolt and to be got final product.When dismantling or safeguarding, take off three bolts, water pump 4 can be taken out and the right crankcase cover that needn't take apart the engine, also needn't emit the machine oil in the crankcase in advance.
According to such invention, motorcycle engine cooling water pump is carried out dismounting, when safeguarding, operate easier, easy, save time; Simultaneously, by improvement to water pump pump chamber, pump inner lead, turnover water pipe layout etc., that can improve engine cooling circulating water pumps flow, flow velocity and lift, and then the not good enough drawback of engine cooling effect of the water-cooled motorcycle engine of usefulness that solves prior art existence when using on tricycle, beach buggy.
Claims (10)
1. motorcycle engine cooling water pump, at least comprise the pump housing (2), pump cover (6), pump shaft (10), impeller (8) and pump chamber (11), advancing of water pump, outlet pipe (7,9) be connected with pump chamber (11), the shaft axis of pump shaft (10) is perpendicular to the installation end face of the pump housing (2) and pump cover (6) and be rotatably installed in the described pump housing (2), one end of pump shaft (10) is the power intake (1) of water pump, the other end is installed in impeller (8) in the pump chamber (11), it is characterized in that: the described pump housing (2) is independent of motorcycle engine, this pump housing is a straight tube-like, and the one end is provided with mounting disc (21) and is connected by bolt with described pump cover (6).
2. motorcycle engine cooling water pump according to claim 1, it is characterized in that: described pump chamber (11) be the installation end face with pump cover (6) be the bottom to the inboard space that forms of pump cover (6), can just hold impeller (8) and be provided with the pump inner lead (110) that orthographic projection is an archimedes curve; Described inlet tube and outlet tube (7,9) is wholely set on pump cover (6), and the water outlet of outlet pipe (9) tangentially communicates with the pump inner lead.
3. motorcycle engine cooling water pump according to claim 1 and 2 is characterized in that: the internal diameter of described intake pipe (7) is greater than the internal diameter of described outlet pipe (9).
4. motorcycle engine cooling water pump according to claim 1 is characterized in that: radially be provided with at least one scrobicular ring (22) on the straight tube of the described pump housing (2).
5. motorcycle engine cooling water pump according to claim 1 is characterized in that: described power intake (1) is equipped with actuation gear (101).
6. motorcycle engine, dispose water pump (4) on the right crankcase cover of this motor (3), water pump (4) provides power by motorcycle engine, this water pump comprises the pump housing (2) at least, pump cover (6), pump shaft (10), impeller (8) and pump chamber (11), advancing of water pump, outlet pipe (7,9) be connected with pump chamber (11), the shaft axis of pump shaft (10) is perpendicular to the installation end face of the pump housing (2) and pump cover (6) and be rotatably installed in the described pump housing (2), one end of pump shaft (10) is the power intake (1) of water pump, the other end is installed in impeller (8) in the pump chamber (11), it is characterized in that: described water pump (4) is independent of described right crankcase cover (3); The pump housing (2) of described water pump (4) is a straight tube-like, be correspondingly provided with straight tube-like erection support (31) on the described right crankcase cover (3), the described pump housing (2) passes described erection support (31) and is installed on the described right crankcase cover (3) with its Spielpassung and by bolt.
7. motorcycle engine according to claim 6 is characterized in that: radially be provided with at least one scrobicular ring (22) on the straight tube of the pump housing (2) of described water pump (4), be with O RunddichtringO (23) on this scrobicular ring.
8. motorcycle engine according to claim 6, it is characterized in that: the pump chamber (11) of described water pump (4) be the installation end face with pump cover (6) be the bottom to the inboard space that forms of pump cover (6), can just hold impeller (8) and be provided with the pump inner lead (110) that orthographic projection is an archimedes curve; Described inlet tube and outlet tube (7,9) is wholely set on pump cover (6), and the water outlet of described outlet pipe (9) tangentially is communicated with the pump inner lead.
9. according to claim 6 or 8 described motorcycle engines, it is characterized in that: the internal diameter of described intake pipe (7) is greater than the internal diameter of described outlet pipe (9).
10. motorcycle engine according to claim 6 is characterized in that: the power intake (1) of described water pump (4) is equipped with actuation gear (101), with elementary driven gear (102) engagement of motorcycle engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110007323 CN102072005A (en) | 2011-01-14 | 2011-01-14 | Water pump for cooling motorcycle engine and motorcycle engine comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110007323 CN102072005A (en) | 2011-01-14 | 2011-01-14 | Water pump for cooling motorcycle engine and motorcycle engine comprising same |
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| Publication Number | Publication Date |
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| CN102072005A true CN102072005A (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110007323 Pending CN102072005A (en) | 2011-01-14 | 2011-01-14 | Water pump for cooling motorcycle engine and motorcycle engine comprising same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278187A (en) * | 2011-07-21 | 2011-12-14 | 力帆实业(集团)股份有限公司 | Water-cooled motorcycle water pump mounting structure |
| CN104454507A (en) * | 2014-11-21 | 2015-03-25 | 广德玉龙泵业有限公司 | Pump cover with rough filtration function |
| CN105673563A (en) * | 2016-03-24 | 2016-06-15 | 力帆实业(集团)股份有限公司 | Water pump assembly for motorcycle engine |
| CN106640323A (en) * | 2016-12-08 | 2017-05-10 | 江苏凯普特动力机械有限公司 | Wind and water cooling centrifugal water pump |
| CN110487340A (en) * | 2019-07-23 | 2019-11-22 | 广东美的白色家电技术创新中心有限公司 | Flowmeter pipeline and flowermeter with it |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1570361A (en) * | 2004-05-10 | 2005-01-26 | 重庆隆鑫工业（集团）有限公司 | Motorcycle water-cooled engine water pump mounting structure |
| CN101216049A (en) * | 2007-12-28 | 2008-07-09 | 隆鑫工业有限公司 | Water pump of water-cooled engine of motorcycle |
| CN101215985A (en) * | 2007-12-28 | 2008-07-09 | 隆鑫工业有限公司 | Water-cooled engine of motorcycle |
| CN101216040A (en) * | 2007-12-28 | 2008-07-09 | 隆鑫工业有限公司 | Water pump mounted on water-cooled engine cylinder of motorcycle |
| CN101354050A (en) * | 2008-09-05 | 2009-01-28 | 隆鑫工业有限公司 | Water pump cover of water-cooled motorcycle engine |
| CN201621102U (en) * | 2010-01-18 | 2010-11-03 | 浙江吉利汽车研究院有限公司 | Compact engine cooling water pump |
| CN201982163U (en) * | 2011-01-14 | 2011-09-21 | 重庆路沃发动机有限公司 | Cooling water pump of motorcycle engine and motorcycle engine with water pump |
-
2011
- 2011-01-14 CN CN 201110007323 patent/CN102072005A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1570361A (en) * | 2004-05-10 | 2005-01-26 | 重庆隆鑫工业（集团）有限公司 | Motorcycle water-cooled engine water pump mounting structure |
| CN101216049A (en) * | 2007-12-28 | 2008-07-09 | 隆鑫工业有限公司 | Water pump of water-cooled engine of motorcycle |
| CN101215985A (en) * | 2007-12-28 | 2008-07-09 | 隆鑫工业有限公司 | Water-cooled engine of motorcycle |
| CN101216040A (en) * | 2007-12-28 | 2008-07-09 | 隆鑫工业有限公司 | Water pump mounted on water-cooled engine cylinder of motorcycle |
| CN101354050A (en) * | 2008-09-05 | 2009-01-28 | 隆鑫工业有限公司 | Water pump cover of water-cooled motorcycle engine |
| CN201621102U (en) * | 2010-01-18 | 2010-11-03 | 浙江吉利汽车研究院有限公司 | Compact engine cooling water pump |
| CN201982163U (en) * | 2011-01-14 | 2011-09-21 | 重庆路沃发动机有限公司 | Cooling water pump of motorcycle engine and motorcycle engine with water pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278187A (en) * | 2011-07-21 | 2011-12-14 | 力帆实业(集团)股份有限公司 | Water-cooled motorcycle water pump mounting structure |
| CN104454507A (en) * | 2014-11-21 | 2015-03-25 | 广德玉龙泵业有限公司 | Pump cover with rough filtration function |
| CN105673563A (en) * | 2016-03-24 | 2016-06-15 | 力帆实业(集团)股份有限公司 | Water pump assembly for motorcycle engine |
| CN106640323A (en) * | 2016-12-08 | 2017-05-10 | 江苏凯普特动力机械有限公司 | Wind and water cooling centrifugal water pump |
| CN110487340A (en) * | 2019-07-23 | 2019-11-22 | 广东美的白色家电技术创新中心有限公司 | Flowmeter pipeline and flowermeter with it |
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Application publication date: 20110525 |