CN102094849A - Water pump - Google Patents
Water pump Download PDFInfo
- Publication number
- CN102094849A CN102094849A CN2009102462979A CN200910246297A CN102094849A CN 102094849 A CN102094849 A CN 102094849A CN 2009102462979 A CN2009102462979 A CN 2009102462979A CN 200910246297 A CN200910246297 A CN 200910246297A CN 102094849 A CN102094849 A CN 102094849A
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- wall
- surrounding wall
- water
- pedestal
- water guide
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Abstract
The invention relates to a water pump which comprises a casing and a water drawing mechanism, wherein the casing comprises a water guide cover and a base which are abutted; the base is provided with an inner surrounding wall for defining an installation space, an outer surrounding wall which is integrally connected with the inner surrounding wall and an erecting annular wall which is close to the water guide cover; the water guide cover is provided with an extending surrounding wall which is abutted against the outer surrounding wall and defines a cooling space together with the inner surrounding wall and the outer surrounding wall and a water guide wall for defining a drainage space; and the water drawing mechanism comprises a drive unit and a fan blade seat. By adopting the extending surrounding wall which is arranged on the water guide cover and abutted against the outer surrounding wall of the base, the protruding length of the outer surrounding wall of the base can be shortened so as to integrally cast and mould the base conveniently, and the structure can also improve the convenience of water drawing mechanism during assembly.
Description
Technical field
The present invention relates to a kind of water pump, particularly relate to and a kind ofly carry cooling water, and be provided with the water pump of radiating structure in electronic mode.
Background technique
Vehicle in design in the past; usually can utilize a cooling system to reduce the temperature of engine running; but aforementioned cooling system mainly comprises a pumps cooled water and has an electric water pump that draws water mechanism; and the cooling line that cooling water is sent to engine; because the mechanism that draws water of electric water pump can produce high temperature when running; therefore, some water pump can design radiating structure.
Consult Fig. 1, it is the sectional view of TaiWan, China Announcement Number M363517 model utility, the water pump that this patent disclosed mainly comprises: interior shell block 11, frame are enclosed within shell block 11 outsides in this and define the outer shell base 13 of a cooling space 12, one jointly and the connecting base of inside and outside shell block 11,13 butt joints 14, one are erected at the mechanism 15 that draws water of 14 of shell blocks 11 and connecting base in this, and one be assembled in these connecting base 14 right sides and and connecting base 14 define the water guide cover 17 of a diversion space 16 jointly.This outer shell base 13 has an end wall 131, and ring convex 132 from end wall 131 past these cooling space 12 projections, and should in shell block 11 have one and set up hole 111 what should encircle convex 132, the described mechanism 15 that draws water have a transverse strands be located in the sleeve 151 that sets up 14 of hole 111 and connecting bases of shell block 11, rotor 153 in tube chamber that is installed in this sleeve 151 152, one and rotor 153 are tied the flabellum seat 154 of merge bit in diversion space 16 linkedly, and one be installed in this sleeve 151 and in the stator 155 of 11 of shell blocks, this connecting base 14 also has a cooling channel 141 that is communicated with this cooling space 12 and diversion space 16, and 16 of diversion spaces are to have a water inlet 161 and a water outlet 162.
When being subjected to electric drive, rotor 153 drives flabellum seat 154 when one send the rotation of water direction, cooling water can enter this diversion space 16 by water inlet 161, send by water outlet 162 again, and pass in and out in the process of this diversion space 16 at cooling water, have the cooling water of part to flow into cooling space 12 via cooling channel 141, purpose is to assist to draw water mechanism's 15 heat radiations.
Though aforementioned model utility has preferable radiating effect, but with regard to the angle of making, this water pump is essential earlier with this outer shell base 13 of forging type moulding, interior shell block 11, connecting base 14 and water guide cover 17, to draw water then mechanism 15 be installed in earlier in the shell block 11, after again this assemblying body being assembled in outer shell base 13 inside, install this connecting base 14 and water guide cover 17 again, because jumping of the inside and outside shell block 11,13 of aforementioned patent is longer, therefore, when the accurately contraposition not too easily during of inside and outside shell block 11,13, compare inconvenience assembling in mutual socket.That is to say that though aforementioned model utility has the effect of heat radiation, its number of molds that needs is more, also relatively more difficult during assembling.
Summary of the invention
The purpose of this invention is to provide a kind of assembling and water pump easy to manufacture.
Water pump of the present invention comprises: a casing and the mechanism that draws water, this casing comprises a pedestal, and water guide cover that docks with this pedestal, this pedestal has an interior surrounding wall that defines an installing space, and this water guide cover has a water guide wall that defines a diversion space, the described mechanism that draws water comprises a driver element that is installed in this installing space, and position is in this diversion space and be subjected to this drive unit drives and can be along a flabellum seat that send the water direction to rotate.
The invention is characterized in: this pedestal also has an one and is somebody's turn to do the outer surrounding wall that interior surrounding wall is connected and centers on surrounding wall in this, and ring wall that sets up near this water guide cover, length that wherein should outer surrounding wall is less than surrounding wall in this, and this water guide cover also has the outer surrounding wall butt joint of and this pedestal and define the extension leg of a cooling space jointly with inside and outside surrounding wall.
Beneficial functional of the present invention is: borrow to be provided with on water guide cover and extension leg that the outer surrounding wall of pedestal docks, can shorten the extent of the protrusion of the outer surrounding wall of this pedestal, to make things convenient for this pedestal of integrally casting moulding, aforementioned structure also can be promoted the convenience when drawing water mechanism's assembling.
Description of drawings
Fig. 1 is the assembled sectional view of TaiWan, China Announcement Number M363517 model utility;
Fig. 2 is the three-dimensional exploded view of a preferred embodiment of water pump of the present invention; And
Fig. 3 is an assembled sectional view of the preferred embodiment.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
Consult Fig. 2,3, a preferred embodiment of water pump of the present invention comprises: a casing 20, and the mechanisms 21 that draw water that are installed in this casing 20 inside and can electronicly draw water.This casing 20 also comprises: pedestal 3, one be fixedly mounted in the end cap 4, one of these pedestal 3 one sides and these pedestal 3 butt joints and and end cap 4 respectively the position at the water guide cover 5 of pedestal 3 opposition sides, and control case lid 6.
The pedestal 3 of present embodiment is by the moulding of metallic material integrally casting, and have: one around a central axis and define the interior surrounding wall 31 of an installing space 30, one from should in outstanding nearly this water guide cover 5 of outer surrounding wall 32, an articulating of surrounding wall 31 and from interior surrounding wall 31 toward central authorities outstanding set up ring wall 34, and one is crossed over inside and outside surrounding wall 31,32 and radially outstanding control tank wall 35.
Wherein, should in surrounding wall 31 have one section and this and set up ring wall 34 first wall section 311 in succession, and one section thickness approximately is two minutes of first wall section 311 one the second wall section 312, in the present embodiment, the thickness of this first wall section 311 approximately is 8 millimeters (mm), the thickness of this second wall section 312 is preferable with 4 millimeters then, the length L 1 of described first wall section 311 approximately be whole in three minutes of surrounding wall 31 length L 2 two.That is to say, find via the actual test of inventor, if during 2 millimeters of the thickness of the second wall section 312 of the present invention, water pump is poor near the radiating effect at end cap 4 positions, and when 4 millimeters of the thickness thickness-adding of this second wall section 312, its radiating efficiency approximately can improve 25%, infer reason, after may being the thickness increase of this second wall section 312, can absorb the more thermal source in installing space 30 inside, the while is rapid diffusion outward.
Again the outer surrounding wall 32 of present embodiment have one parallel to should in leg portion 321, vertical joint 322 that connects this leg portion 321 and first wall section 311 of first wall section 311 of surrounding wall 31, and one from this leg portion 321 toward the outstanding interface frame, mating frame portion 323 of radial outer ends.In the present embodiment, length L 3 that should outer surrounding wall 32 approximately be two minutes of length L 1 of first wall section 311 one, that is to say, consider from ease of manufacture, the length L 3 of the outer surrounding wall 32 of present embodiment is with 40～60% for good with respect to the length L 1 of first wall section 311, and is preferable with 50%.
The ring wall 34 that sets up of present embodiment has a ring towards end cap 4 and plug groove 341 around central axis, and this control tank wall 35 is the second wall sections 312 of crossing over the interior surrounding wall 31 of surrounding wall 32 outside and part, itself and and the part outer surface of outer surrounding wall 32 define opening control room 351 up jointly, this pedestal 3 also has a cable channel 36 that runs through this control room 351 and installing space 30 again.
The end cap 4 of present embodiment is to borrow many screws 40 to be docked at a side of this pedestal 3 regularly, just the position is on the right side of Fig. 3, this end cap 4 and the end wall 41, that comprise a circle from the outside of this end wall 41 toward should in the butt joint tegmental wall 42 that docks of surrounding wall 31 projections, and the outstanding prominent ring 43 of end cap in these end wall 41 past installing spaces 30, the thickness of the butt joint tegmental wall 42 of above-mentioned end cap 4 is same as the thickness of the second wall section 312 of this pedestal 3.
The water guide cover 5 of present embodiment comprises: an extension leg 51 that centers on this central axis and dock with the leg portion 321 of outer surrounding wall 32, and one outstanding and define the water guide wall 52 of a diversion space 50 from these extension leg 51 one, at 31,32 of the inside and outside surrounding walls of this extension leg 51, pedestal 3 and define the cooling space 53 of an annular.Wherein this water guide wall 52 has a position in the outlet pipe portion 522 around this water inlet pipe portion 521 of the water inlet pipe portion 521 of central authorities, helical, and a cooling channel 523 that is communicated with this diversion space 50 and cooling space 53.And this diversion space 50 has one to water inlet 501 that should water inlet pipe portion 521, and one to water outlet 502 that should outlet pipe portion 522.
The control case lid 6 of present embodiment is to borrow many screws 60 to be installed on the control tank wall 35 of this pedestal 3, is used for sealing this control room 351.
The mechanism 21 that draws water of present embodiment comprises a driver element 210 that is installed in this installing space 30, and one driven by this driver element 210 and along a flabellum seat 214 that send the rotation of water direction.This driver element 210 has a transverse strands and is located at the sleeve that plugs 43 on the prominent ring of groove 341 and end cap 211 of this pedestal 3, a rotor 213 that is installed in these sleeve 211 inside, and ring set is at the stator 215 of the outside of this sleeve 211, the electronic component that is used for controlling the circuit board, sensitive switch or the like of these mechanism's 21 actions that draw water then is mounted in the control room 351 of this pedestal 3, and the electric wire that is used for being communicated with electronic component and driver element 210 can be via this cable channel 36.Because the mechanism 21 that draws water of the present invention is technology in the past, and its structure and operating principle no longer are described in detail in detail.
The water pump of present embodiment during fabrication, at first with this pedestal 3 of forging type moulding out of the ordinary, end cap 4 and water guide cover 5, the driver element 210 of mechanism 21 of will drawing water then is installed in the installing space 30 of this pedestal 3, again end cap 4 is fixed on the right side of this pedestal 3, just driver element 210 firmly can be erected in the installing space 30.
And this flabellum seat 214 be linkedly with driver element 210 combinations, and what protrude in this pedestal 3 sets up ring wall 34, be used for the electronic component of control drive unit 210 and flabellum seat 214, then be mounted in the control room 351 of this pedestal 3, at last water guide cover 5 is docked at a side of pedestal 3, to control simultaneously on the control tank wall 35 that case lid 6 is assembled in pedestal 3, just can finish the combination of this water pump.
When the driver element 210 of the mechanism 21 that draws water is subjected to electric drive and when rotating, will drives flabellum seat 214 along sending the rotation of water direction, cooling water will suck diversion spaces 50 by water inlet 501 this moment, be sent by water outlet 502 at last.And pass in and out in the process of this diversion space 50 at cooling water, the cooling water that has part flows to cooling space 53 via cooling channel 523, that is to say, in cooling water circuit process, utilizes mechanism's 21 heat radiations of assisting to draw water of the cooling water flow to cooling space 53.Because how this mechanism 21 that draws water operates and dispel the heat is in the past technology, no longer explanation.
What deserves to be explained is that present embodiment more can reach and make and the easy purpose of assembling by the change of casing 20 structures except having radiating effect.That is to say, adopted the object of casting integrated moulding in the past, if when casting needs to reserve long and narrow, annular space in the product, when annular space long more, narrow more, the material of casting is not easy the complete every nook and cranny that flows to mould more, so the degree of difficulty during its moulding is just high more.The design of this casing 20 of the present invention, except the quantity of element is reduced to three by in the past four, its main design concept is that the outer wall section that will constitute cooling space 53 is divided into two, and this outer wall section distinctly is molded on pedestal 3 and the water guide cover 5, the change of said structure not only in the design of water pump be preceding not with innovation, material is not easy to flow to the disappearance of all angles of mould in the time of can also improving casting, easness when therefore, this design of the present invention can improve the element moulding really.
On the other hand, the present invention can be erected at driver element 210 in the installing space 30 of pedestal 3 when this being installed drawing water mechanism 21 easily, utilizes end cap 4 to fix the right-hand member of this driver element 210 again.Therefore, the present invention not only can simplify the easness of member, raising molding component by the structure that changes casing 20, also has effect easy to assembly.
Claims (9)
1. water pump, comprise: a casing and the mechanism that draws water, described casing comprises a pedestal, and water guide cover that docks with described pedestal, described pedestal has an interior surrounding wall that defines an installing space, and described water guide cover has a water guide wall that defines a diversion space, the described mechanism that draws water comprises a driver element that is installed in the described installing space, and position is in described diversion space and be subjected to described drive unit drives and can be along a flabellum seat that send the water direction to rotate;
It is characterized in that: described pedestal also have an one with described in surrounding wall is connected and around the outer surrounding wall of described interior surrounding wall, and ring wall that sets up near described water guide cover, the length of wherein said outer surrounding wall is less than surrounding wall in described, and described water guide cover also have one and described pedestal outer surrounding wall butt joint and and inside and outside surrounding wall define the extension leg of a cooling space jointly.
2. water pump according to claim 1, it is characterized in that: described casing also comprises an end cap that docks with pedestal, the position is at the opposition side of pedestal respectively for above-mentioned end cap and water guide cover, and the driver element of the described mechanism that draws water is to be erected at the setting up between ring wall and end cap of described pedestal.
3. water pump according to claim 2, it is characterized in that: surrounding wall has the first wall section of one section described cooling space of correspondence in described, and the second wall section of a section and the butt joint of described end cap, the length of described outer surrounding wall be described first wall section length 40～60%.
4. water pump according to claim 3 is characterized in that: the length of the extension leg of the length of the outer surrounding wall of described pedestal and water guide cover is identical.
5. water pump according to claim 3 is characterized in that: the thickness of described first wall section is greater than the thickness of the second wall section, and the thickness of the described second wall section is 4 millimeters.
6. water pump according to claim 3, it is characterized in that: described pedestal also has one and outer surrounding wall and defines a control tank wall of controlling room jointly, and a cable channel that runs through described control room and installing space, described casing also comprises a control case lid that is installed on the described control tank wall disassembledly.
7. water pump according to claim 6 is characterized in that: the diversion space of described water guide cover has a water inlet and a water outlet, and described water guide wall also has a cooling channel that is communicated with described diversion space and cooling space.
8. water pump according to claim 2, it is characterized in that: the ring wall that sets up of described pedestal has a groove that plugs towards end cap, and described end cap has one towards the described prominent ring of end cap that sets up ring wall, described again driver element has one and is erected at described sleeve, rotor that is installed in described sleeve inner and drives described flabellum seat that plugs groove and the prominent interannular of end cap, and one centers on described sleeve and and the inside and outside corresponding stator of outer surrounding wall.
9. water pump according to claim 2 is characterized in that: described in surrounding wall have the first wall section of one section described cooling space of correspondence, and the length of described outer surrounding wall be described first wall section length 40～60%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102462979A CN102094849A (en) | 2009-12-15 | 2009-12-15 | Water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102462979A CN102094849A (en) | 2009-12-15 | 2009-12-15 | Water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102094849A true CN102094849A (en) | 2011-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102462979A Pending CN102094849A (en) | 2009-12-15 | 2009-12-15 | Water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102094849A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351072A (en) * | 2015-12-11 | 2016-02-24 | 南京金龙新能源汽车研究院有限公司 | Water pump base |
-
2009
- 2009-12-15 CN CN2009102462979A patent/CN102094849A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351072A (en) * | 2015-12-11 | 2016-02-24 | 南京金龙新能源汽车研究院有限公司 | Water pump base |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110615 |