CN103062092B - Water pump - Google Patents
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- CN103062092B CN103062092B CN201210396575.0A CN201210396575A CN103062092B CN 103062092 B CN103062092 B CN 103062092B CN 201210396575 A CN201210396575 A CN 201210396575A CN 103062092 B CN103062092 B CN 103062092B
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- shaft hub
- spilled water
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Abstract
A kind of water pump, can make the ventilation passageway of spilled water hole and the steam revealing water be vertical configuration along the vertical direction as far as possible.Have: the bearing chamber (11) of the inner circumferential side of the bearing shaft hub (1) of shell (A), Sealing installation room (21) in pump case body (2), be formed in the plenums (3) between bearing chamber (11) and Sealing installation room (21), by the air-vent (5) that the inner upper of the plenums (3) of shell (A) is communicated with outside top, by the spilled water hole (4) that the lower inside of the plenums (3) of shell (A) is communicated with outside below, commitment positions above the outer side surface being formed at bearing shaft hub (1) and cover two ventilations eaves portions (6) of the opening of air-vent (5), the spilled water hole rib (8) being formed with spilled water hole (4) below the outer side surface being set in shell (A).Spilled water hole rib (8) has given width along the direction, face of pump case body (A), and is formed from pump case body (2) along the axle direction bulging of bearing shaft hub (1).
Description
Technical field
The present invention relates to a kind of water pump, the spilled water hole of leakage water in water pump and the ventilation passageway of steam can be formed as vertical configuration along the vertical direction as far as possible.
Background technique
Generally speaking, for motor vehicle water pump possesses bearing and Mechanical seal etc., and this Mechanical seal has the function of sealing cooling water (sealing), but still is the state that very micro-cooling water continues to reveal.In order to discharge the cooling water that this leaks out, the space place between Mechanical seal and bearing generally forms the spilled water hole extended below shell extroversion and the air-vent (steam hole) extended above shell extroversion.
Japanese Unexamined Patent Publication 2002-115546 is there is as this technology.In addition, in the following description, the symbol described in Japanese Unexamined Patent Publication 2002-115546 is used in as former state to the symbol of parts mark.In housing 2, form steam passage 17 and sluicing path 19 in a straight line along centre line L 2, than spin axis L1 top side formation steam passage 17, form sluicing path 19 on the lower than spin axis L1.
And, leave several mm from the outer openings portion 17b of above-mentioned steam passage 17 and be formed with circumferential direction rib 7.The size being formed with the periphery of the bearing portion 4 of outer openings portion 17b and the gap of circumferential direction rib 7 is certain.Sluicing path 19 is formed at path rib 8.In the above-described configuration, circumferential direction rib 7 configures in the circumferential direction at a certain angle, so the configuration degrees of freedom of outer openings portion 17b is large.
On the contrary, sluicing path 19 needs the mode run through in path rib 8 and is formed, thus sluicing path 19 cannot be formed as path rib 8 towards outside towards.In addition, steam passage 17 and sluicing path 19 are formed together by mole pin, so formed in a straight line.Steam passage 17 and sluicing path 19 towards be subject to from the above mentioned path rib 8 towards captively formation.
Patent documentation 1: Japanese Unexamined Patent Publication 2002-115546 publication.
Following problem is there is in Japanese Unexamined Patent Publication 2002-115546.Even if, sometimes also there is all size that the setting angle of motor and water pump is different in the motor of similar flow, similar chilled(cooling) water return (CWR).In this case, want to use identical water pump, but viewed from water pump immediately below angle change, so need the angulation also and then change making sluicing path 19.
Sluicing path 19 is formed in path rib 8, if so change the angulation of sluicing path 19, need to make the angle of path rib 8 also change.That is, need to make new mould when the setting angle change of water pump and again make housing 2.In this wise only because the setting angle difference of water pump just needs expensive expense to make new mould, produce waste.
Summary of the invention
Object of the present invention (technical task to be solved) even if be that the setting angle difference of water pump also can use identical mould to carry out correspondence, thus reduces manufacturing expense.
Therefore, inventor is repeated studies with keen determination to solve above-mentioned problem, and result solves above-mentioned problem by adopting the 1st invention of the application.Described 1st invention is a kind of water pump, the pump case body that shell has bearing shaft hub and extends along the axial direction perpendicular to this bearing shaft hub, in this shell, have: the bearing chamber of the inner circumferential side of the bearing shaft hub of this shell, Sealing installation room in pump case body, be formed in the plenums between above-mentioned bearing chamber and above-mentioned Sealing installation room, by the air-vent that the inner upper of the above-mentioned plenums of above-mentioned shell is communicated with outside top, by the spilled water hole that the lower inside of the above-mentioned plenums of above-mentioned shell is communicated with outside below, commitment positions above the outer side surface being formed at above-mentioned bearing shaft hub and cover two ventilation eaves portions of the opening of above-mentioned air-vent, with the spilled water hole rib being formed with spilled water hole below the outer side surface being set in above-mentioned shell, this spilled water hole rib has given width along the direction, face of said pump housing section, and formed from said pump housing section along the axle direction bulging of above-mentioned bearing shaft hub.
By making the 2nd invention solve above-mentioned problem for following water pump, in the 1st invention, above-mentioned ventilation eaves portion separates predetermined distance and forms two.By making the 3rd invention for following water pump and solve above-mentioned problem, in the 1st invention, above-mentioned ventilation eaves portion separates predetermined distance and forms two, and the top in above-mentioned two ventilation eaves portions each other continuously and form.
The effect of invention
In the 1st invention, the wall in spilled water hole rib and ventilation eaves portion is all formed as the bulge at least with several angle, even if so a mould, by means of only the direction changing mole pin just can until several angle angle scope in change the direction of spilled water hole and air-vent.Thus, even if the setting angle of water pump is different size also can use same mould, so the product of different size can be manufactured by qurer without the need to spending mould to take in addition.
Make the 2nd invention for a kind of water pump, in the 1st invention, above-mentioned ventilation eaves portion separates predetermined distance and forms two, thus becomes the formation that ventilation eaves portion covers the opening of air-vent completely, can play make water and mud be difficult to the effect entered from the opening of air-vent by ventilation eaves portion.In addition, damage can not be brought to the bearing be configured in shell and Mechanical seal.
In the 3rd invention, above-mentioned ventilation eaves portion separates predetermined distance and forms two, and the top in above-mentioned two ventilation eaves portions each other continuously and form, thus the wall one in ventilation eaves portion is formed with evening, so simple shape, can reduce casting mould and take and processing charges.In addition, substantially samely with the 2nd invention, for ventilation, eaves portion fully covers the formation of the opening of air-vent, plays the effect that water and mud are difficult to enter from outside in the opening of air-vent.In addition, bring damage can not to the bearing configured in the enclosure and Mechanical seal.
Accompanying drawing explanation
Fig. 1 (A) is the plan view of the 1st mode of execution of the present invention, and Fig. 1 (B) is the Y1-Y1 direction of arrow sectional view of Fig. 1 (A), and Fig. 1 (C) is the amplification stereogram in (α) portion of Fig. 1 (A).
Fig. 2 (A) is the longitudinal cross-sectional side view of shell, and Fig. 2 (B) is the Y2-Y2 direction of arrow sectional view of Fig. 2 (A).
Fig. 3 (A) and Fig. 3 (B) represents the sectional view certain two ventilation eaves portions being worn to the state of spilled water hole and air-vent from spilled water hole rib side.
Fig. 4 (A) is the stereogram of the shell representing the 1st mode of execution of the present invention, and Fig. 4 (B) is the important part stereogram of the shell representing the 2nd mode of execution of the present invention, and Fig. 4 (C) is the important part plan view of the 2nd mode of execution.
Description of reference numerals
A ... shell, 1 ... bearing shaft hub, 11 ... bearing chamber, 2 ... pump case body, 21 ... Sealing installation room, 3 ... plenums, 5 ... air-vent, 6 ... ventilation eaves portion, 7 ... rib, 8 ... spilled water hole rib.
Embodiment
Based on accompanying drawing, embodiments of the present invention are described below.The present invention mainly comprises shell A, band axle bearing 91, Mechanical seal 92, impeller 93.Above-mentioned shell A is aluminum alloy, but also can be other materials.
Shell A as shown in Figure 1 and Figure 2, comprises the bearing shaft hub 1 of general hollow drum and the pump case body 2 of writing board shape.Bearing shaft hub 1 and pump case body 2 form.Bearing shaft hub 1 forms besieged bearing chamber 11 in inner circumferential side.In addition, in pump case body 2, be formed with the Sealing installation room 21 installing Mechanical seal 92.
The bearing portion of band axle bearing 91 is installed in bearing chamber 11, Mechanical seal 92(is installed in Sealing installation room 21 with reference to Fig. 1 (B)).By Mechanical seal 92, circumferential lateral surface is watertight sealed axle 91a with axle bearing 91, and through Mechanical seal 92.And, in axle direction one end of axle 91a, impeller 93 is installed.In addition, axle 91a installs belt wheel 94, on this belt wheel 94, mounting strap 95(is with reference to Fig. 1).
Plenums 3(is formed with reference to Fig. 1 (B), Fig. 2 (A)) between the bearing chamber 11 and Sealing installation room 21 of shell A.This plenums 3 is formed in the space between the bearing part of the band axle bearing 91 being installed on bearing chamber 11 and the Mechanical seal 92 being installed on Sealing installation room 21.On shell A, spilled water hole 4 and air-vent 5 are formed at above-below direction relative to the axle 91a of band axle bearing 91 and Vertical direction (with reference to Fig. 1 (B), Fig. 2 (A)).
Above-mentioned spilled water hole 4 and air-vent 5 are that through above-mentioned shell A is inner with outside hole, have and will reveal and accumulate in the effect being formed in Mechanical seal 92 and being with the cooling water in the plenums 3 between axle bearing 91 to discharge to the outside of shell A.Above-mentioned spilled water hole 4 and air-vent 5 are holes of the private side of plenums 3 in through shell A and the pipeline shape of outer side, are all the hole of straight line shape, and spilled water hole 4 and air-vent 5 are arranged in a straight line Shangdi and are formed (with reference to Fig. 1, Fig. 2).
Spilled water hole rib 8(is formed with referring to figs. 1 through Fig. 3) in the position of the below of shell A.This spilled water hole rib 8 is the positions forming above-mentioned spilled water hole 4, above-mentioned bearing shaft hub 1 and said pump housing section 2 connection root position, formed below the direction, face of pump case body 2 from the lower side of bearing shaft hub 1.
And, spilled water hole rib 8 has given width centered by the diameter center (also comprising approximate diameter center) in above-mentioned bearing shaft hub portion 1 on the direction, face of said pump housing section 2, and is formed (with reference to Fig. 1 (B), (C), Fig. 2 (A)) from said pump housing section 2 side along the axle direction bulging of above-mentioned bearing shaft hub 1.
Spilled water hole rib 8 is specifically formed as having in the circumferential direction the fan shape of the angle of about about 30 degree (several angles) or more than 30 degree centered by eaves portion 6 of taking a breath.In addition, when ventilation eaves portion 6 is two, be formed as roughly trapezoidal relative to respective air-vent 5.
Ventilation eaves portion 6 is formed in the outside of shell A.More specifically, ventilation eaves portion 6 is formed in the commitment positions above the outer side surface of above-mentioned bearing shaft hub 1, and is formed from said pump housing section 2 side along the axle direction of above-mentioned bearing shaft hub 1 is outstanding.Specifically, the shape of ventilation eaves portion 6 for erecting along being with the axle direction of the axle 91a of axle bearing 91.Ventilation eaves portion 6 have the shell A covering above-mentioned air-vent 5 outer side and as the discharge side of air-vent 5 ventilation opening 51 and strengthen the effect of shell A.
Ventilation eaves portion 6 is the formations (with reference to Fig. 1 (A), (B), Fig. 4 (A)) being formed as the roughly arcuation roughly dividing half-and-half pipe cutting shape or tunnel-shaped in the top position of the circumferential lateral surface of bearing shaft hub 1.And, the ventilation opening 51 of air-vent 5 so by ventilation eaves portion 6 with the ft connection of shell A.In addition, the height of wall in ventilation eaves portion 6 is the height about the roughly half of the height of bearing shaft hub 1 in the present embodiment, but is not limited to this size.
In addition, the area of the eaves opening 61 in ventilation eaves portion 6 is the degree slightly larger than the area of the ventilation opening 51 of above-mentioned air-vent 5.For ventilation eaves portion 6, preferably guarantee that the area of area eaves opening 61 in eaves portion 6 and order is taken a breath of necessity of the ventilation opening 51 of air-vent 5 is area little as far as possible.By reducing the area of the eaves opening 61 in ventilation eaves portion 6, water and mud can be suppressed to invade inside from air-vent 5.
As the dampening mechanism of this intrusion, in the path in ventilation eaves portion 6, between the eaves opening 61 and the ventilation opening 51 of air-vent 5 in this ventilation eaves portion 6, be sometimes formed with the ladder difference portion 62 of dike shape.By this ladder difference portion 62, water and mud can be suppressed to invade the inside of shell A from the ventilation opening 51 of air-vent 5.
In addition, at the position of eaves opening 61 in ventilation eaves portion 6, with along with from top close to bearing shaft hub 1 side from pump case body 2 away from mode the gentle slope with bearing shaft hub 1 side is formed as longer.Thus, the water of end face being attached to the eaves opening 61 in ventilation eaves portion 6 along gentle slope shape from eaves opening 61 away from and hang down, water and mud can be suppressed thus internally to invade from air-vent 6.
Multiple rib 7 is formed between bearing shaft hub 1 and pump case body 2.The height of rib is for uprising at leisure along with towards bearing propeller boss.Rib 7 in the periphery of bearing shaft hub 1 to be configured in five positions roughly at equal intervals.The number of rib 7 is not necessarily defined as five, also can be less than five, or also can be more than five, considers that overall balance is formed.
Rib 7 is formed as en plaque, with from the multiple bolt mounting bases 22,22 of outer periphery being formed at pump case body 2 ... the mode be connected continuously towards the diameter center of bearing shaft hub 1 is formed.The height of the near outer ends of each rib 7 is roughly equal with the height dimension of the bolt mounting base 22 given prominence to from pump case body 2 along the axle direction of bearing shaft hub 1.And, formed in the mode extended along the axle direction of bearing shaft hub 1 at the continuous position of rib 7 with the circumferential lateral surface of bearing shaft hub 1.
Multiple rib 7,7 ... formed continuously with the circumferential lateral surface of bearing shaft hub 1, but a part wherein and above-mentioned ventilation eaves portion 6 are formed continuously.Above-mentioned rib 7 is formed in the top portion in above-mentioned ventilation eaves portion 6.From the bolt mounting base 22 at a position, towards ventilation, eaves portion 6 forms two roots 7, and by forming sidewall portion 6a, the 6a of the left and right sides in ventilation eaves portion 6 and branch shape, to become roughly bifurcated be the shape of two.
That is, in bearing shaft hub 1 side of rib 7, by ventilation sidewall portion 6a, the 6a in eaves portion 6, branch shape becomes bifurcated is two shapes.And, sidewall portion 6a, 6a of being two shapes by rib 7 and the bifurcated in ventilation eaves portion 6 form a strengthening rib, the ventilation opening 51 of air-vent 5 is covered in the mode that can be vented by ventilation eaves portion 6, even if rib 7 is consistent with the optimum position of air-vent 5, also can both guarantee optimum position and prevent mutual interference, its function can be realized fully as strengthening rib.
Above-mentioned ventilation eaves portion 6 separates predetermined distance and is formed in two positions (with reference to Fig. 1 (A), Fig. 4 (A)).And, form rib 7,7 from a bolt mounting base 22 towards the both sides in two ventilation eaves portions 6,6.And from bolt mounting base 22, two root 7,7 at a position towards two ventilation eaves portions 6,6 and being formed, from two respective ribs 7, by forming sidewall portion 6a, the 6a in ventilation eaves portion 6 and Y-shaped, to become roughly bifurcated be the shape of two.Namely the wall in ventilation eaves portion is divided into four.
As mentioned above, have two ventilation eaves portions 6,6 and with these two the eaves portions 6 of taking a breath, 6 corresponding two ribs 7,7.And two ventilation eaves portions 6,6 can be set as that its one party is positioned at the top of shell A.That is, according to the motor installing water pump of the present invention, there is the situation changing setting angle, but possess two ventilation eaves portions 6, thus the ventilation eaves portion 6 of one party is set as the top being positioned at shell A.
Air-vent 5 is formed to the ventilation eaves portion 6 of the top side being positioned at shell A, air-vent 5 is not formed to the ventilation eaves portion 6 of the opposing party.Namely, two ventilation eaves portions 6,6 and corresponding with it two ribs 7,7 are formed in advance on shell A, only air-vent 5 is formed to the ventilation eaves portion 6 being positioned at top, thus can be corresponding with the various installment state to motor, casting mould can be made to take and processing charges cheap.
Then, based on Fig. 4 (B) and Fig. 4 (C), the 2nd mode of execution of the present invention is described.Above-mentioned ventilation eaves portion 6 separates predetermined distance and forms two, and the top in above-mentioned two ventilation eaves portions 6,6 each other continuously and form.Specifically, sidewall portion 6a, 6a of the adjacent nearside in two ventilation eaves portions 6,6 is not set, is made up of two sidewall portion 6a, the 6a being formed in the position left most and the top 6b that formed between both sides wall portion 6a, 6a.
Top 6b along the circumferential lateral surface of bearing shaft hub 1 circumferential direction and be formed as the sheet part of roughly arc-shaped.And, between above-mentioned top 6b and pump case body 2, form rib 7.This rib 7 forms one.Specifically, in the circumferential direction of top 6b, form rib 7 in roughly neutral position.
In addition, between the roughly neutral position of the circumferential direction of top 6b and bearing shaft hub 1, partition wall 71 is formed with at both sides wall portion 6a, 6a.This partition wall 71 is connected across top 6b with the aforesaid rib 7 be formed between top 6b with pump case body 2, and partition wall 71 is separated the ventilation eaves portion 6,6 of two and play the effect of the reinforcement in eaves portion 6 of taking a breath together with rib 7.
In the present invention, above-mentioned spilled water hole rib 8 has given width, can to bore a hole the spilled water hole 4 of formation two positions and air-vent 5 relative to two ventilation eaves portions 6,6 by drill bit.As mentioned above, spilled water hole 4 and air-vent 5 are configured on a straight line (also comprising roughly one straight line), and spilled water hole 4 is formed in lower side relative to shell A, and air-vent 5 is formed in upper side (with reference to Fig. 1 (A), (B)) relative to shell A.
Spilled water hole rib 8 has given width, specifically, has the width direction size (with reference to Fig. 3) of the degree that can wear two different spilled water holes 4 of direction.And shell A is, when pump case body 2 side is installed on motor, the mode being positioned at the position of the top of shell A with air-vent 5 forms this air-vent 5.In addition, are being best modes as the position configuration air-vent 5 above shell A.
At this, when changing shell A and there occurs the change of the setting angle of shell A to the installment state of motor, towards two ventilation ventilation eaves portions 6 of top in eaves portion 6 or the ventilation eaves portion 6 closest to top, the perforating tool T by drill bit etc. bores a hole from the position of the bottom of spilled water hole rib 8.Now, in eaves portion 6 of taking a breath be from main depending on seeing the ventilation eaves portion 6 on the right side, top position be positioned at than bearing shaft hub 1 time, carry out from the position near the left side of spilled water hole rib 8 bore a hole (reference Fig. 3 (A)).
In addition, in eaves portion 6 of taking a breath be from main depending on see be positioned at than the top position of bearing shaft hub 1 keep left the ventilation eaves portion 6 of side time, carry out from the position near the right side of spilled water hole rib 8 bore a hole (reference Fig. 3 (B)).Thereby, it is possible to make spilled water hole 4 and air-vent 5 be positioned on roughly one straight line and be formed as air-vent 5 up and spilled water hole 4 in below.
Claims (2)
1. a water pump, it is characterized in that, the pump case body that shell has bearing shaft hub and extends along the axial direction perpendicular to this bearing shaft hub, have in this shell: the bearing chamber of the inner circumferential side of the bearing shaft hub of this shell, Sealing installation room in pump case body, be formed in the plenums between above-mentioned bearing chamber and above-mentioned Sealing installation room, by the air-vent that the inner upper of the above-mentioned plenums of above-mentioned shell is communicated with outside top, by the spilled water hole that the lower inside of the above-mentioned plenums of above-mentioned shell is communicated with outside below, commitment positions above the outer side surface being formed at above-mentioned bearing shaft hub and cover two ventilation eaves portions of the opening of above-mentioned air-vent, with the spilled water hole rib being formed with spilled water hole below the outer side surface being set in above-mentioned shell, this spilled water hole rib has the width of the degree that can wear two different spilled water holes of direction along the direction, face of said pump housing section, and formed from said pump housing section along the axle direction bulging of above-mentioned bearing shaft hub.
2. water pump according to claim 1, is characterized in that,
Above-mentioned ventilation eaves portion separates predetermined distance and forms two, and the top in above-mentioned two ventilation eaves portions each other continuously and form.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011230810A JP5897868B2 (en) | 2011-10-20 | 2011-10-20 | water pump |
| JP2011-230810 | 2011-10-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103062092A CN103062092A (en) | 2013-04-24 |
| CN103062092B true CN103062092B (en) | 2016-04-06 |
Family
ID=48104896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210396575.0A Active CN103062092B (en) | 2011-10-20 | 2012-10-18 | Water pump |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5897868B2 (en) |
| CN (1) | CN103062092B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131211B (en) * | 2019-06-21 | 2024-09-27 | 郑州飞龙汽车部件有限公司 | Pump body of centrifugal pump and centrifugal pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02147823U (en) * | 1989-05-17 | 1990-12-14 | ||
| JPH0345425U (en) * | 1989-09-11 | 1991-04-26 | ||
| JP2002122100A (en) * | 2000-10-13 | 2002-04-26 | Unisia Jecs Corp | Water pump |
| CN1156653C (en) * | 2000-10-05 | 2004-07-07 | 本田技研工业株式会社 | Water pump |
| CN201779067U (en) * | 2010-09-23 | 2011-03-30 | 李正奇 | Front pump cover for superhigh pressure liquid ring type isothermal compressor |
-
2011
- 2011-10-20 JP JP2011230810A patent/JP5897868B2/en not_active Expired - Fee Related
-
2012
- 2012-10-18 CN CN201210396575.0A patent/CN103062092B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02147823U (en) * | 1989-05-17 | 1990-12-14 | ||
| JPH0345425U (en) * | 1989-09-11 | 1991-04-26 | ||
| CN1156653C (en) * | 2000-10-05 | 2004-07-07 | 本田技研工业株式会社 | Water pump |
| JP2002122100A (en) * | 2000-10-13 | 2002-04-26 | Unisia Jecs Corp | Water pump |
| CN201779067U (en) * | 2010-09-23 | 2011-03-30 | 李正奇 | Front pump cover for superhigh pressure liquid ring type isothermal compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013087729A (en) | 2013-05-13 |
| JP5897868B2 (en) | 2016-04-06 |
| CN103062092A (en) | 2013-04-24 |
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