CN103062092A - Water pump - Google Patents
Water pump Download PDFInfo
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- CN103062092A CN103062092A CN2012103965750A CN201210396575A CN103062092A CN 103062092 A CN103062092 A CN 103062092A CN 2012103965750 A CN2012103965750 A CN 2012103965750A CN 201210396575 A CN201210396575 A CN 201210396575A CN 103062092 A CN103062092 A CN 103062092A
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Abstract
The invention relates to a water pump in which a water discharge hole and a steam exchange channel are vertical along the vertical direction. The water pump is provided with a housing (A). the inside of the housing is provided with a bearing chamber (11) which is arranged on the internal circumferential side of a bearing propeller boss part (1), a sealing part mounting chamber (21) in a pump body part (2), a gap chamber (3) which is formed between the bearing chamber (11) and the sealing member mounting chamber (21), a gas exchange hole (5) which communicates the internal upper part and the internal lower part of the gap chamber (3) in the housing (A), two gas exchange brim parts (6) which are arranged on certain positions above the external side face of the bearing propeller boss part (1) and cover an opening of the gas exchange hole (5), and a water discharge rib (8) which is arranged below the external side face of the housing (A) and is provided with the water discharge hole (4). The water discharge rib (8) has a certain width along the face direction of the pump body part (A), and is formed by protruding from the pump body part (2) along the axial direction of the bearing propeller boss part (1).
Description
Technical field
The present invention relates to a kind of water pump, the spilled water hole of the leakage water in the water pump and the ventilation path of steam can be formed vertical configuration along the vertical direction as far as possible.
Background technique
Generally speaking, for motor vehicle water pump possesses bearing and mechanical sealing spare etc., and this mechanical sealing spare has the function of sealing cooling water (sealing), but still is the state that very micro-cooling water continues leakage.The cooling water that leaks out in order to discharge this, the general air-vent (steam hole) that forms the spilled water hole that extends below the shell extroversion and extend above the shell extroversion at the space between mechanical sealing spare and bearing place.
There is TOHKEMY 2002-115546 as this technology.In addition, in the following description, the symbol former state ground that parts are marked uses at the symbol described in the TOHKEMY 2002-115546.In housing 2, form in a straight line steam passage 17 and sluicing path 19 along centre line L 2, forming steam passage 17 than the top side of spin axis L1, than spin axis L1 on the lower side form sluicing path 19.
And, leave several mm and be formed with Zhou Fangxiang rib 7 from the 17b of outer openings section of above-mentioned steam passage 17.The size in gap that is formed with the periphery of bearing portion 4 of the 17b of outer openings section and Zhou Fangxiang rib 7 is certain.Sluicing path 19 is formed at path rib 8.In the above-described configuration, Zhou Fangxiang rib 7 configures at a certain angle along Zhou Fangxiang, so the configuration degrees of freedom of the 17b of outer openings section is large.
On the contrary, sluicing path 19 need to form with the modes in the rib 8 to run through path, thus sluicing path 19 can't form path with rib 8 towards outside towards.In addition, steam passage 17 and sluicing path 19 form together by the mole pin, so form in a straight line.Steam passage 17 and sluicing path 19 towards be subject to from the above mentioned path with rib 8 towards constraint ground form.
Patent documentation 1: TOHKEMY 2002-115546 communique.
Problem below in TOHKEMY 2002-115546, existing.Even if also there is the different all size of setting angle of motor and water pump sometimes in the motor of similar flow, similar chilled(cooling) water return (CWR).In this case, want to use identical water pump, but the angle under seeing from water pump changes, so need to make the angulation of sluicing path 19 also and then change.
Sluicing path 19 is formed on path with in the rib 8, so if change the angulation of sluicing path 19 then need to make path also to change with the angle of rib 8.That is, when the setting angle of water pump changes, need to make new mould and again make housing 2.Only just need expensive expense to make new mould because the setting angle of water pump is different in this wise, produce waste.
Summary of the invention
Purpose of the present invention (technical task to be solved) also can use identical mould to carry out correspondence even if be the setting angle difference of water pump, thereby reduces manufacturing expense.
Therefore, the inventor has repeated with keen determination research in order to solve above-mentioned problem, and the result has solved above-mentioned problem by the 1st invention of adopting the application.Described the 1st invention is a kind of water pump, shell has the bearing shaft hub and along the pump case body that extends perpendicular to the axial direction of this bearing shaft hub, in this shell, have: the bearing chamber of interior all sides of the bearing shaft hub of this shell, Sealing installation room in the pump case body, be formed on the plenums between above-mentioned bearing chamber and the above-mentioned Sealing installation room, the air-vent that the inner and upper of the above-mentioned plenums of above-mentioned shell is communicated with outside top, with the below, inside of the above-mentioned plenums of above-mentioned shell with outside below the spilled water hole that is communicated with, be formed at above-mentioned bearing shaft hub outer side surface top both fixed positions and cover two ventilation eaves sections of the opening of above-mentioned air-vent, the spilled water hole rib that is formed with spilled water hole with the outer side surface below that is set in above-mentioned shell, this spilled water hole has set width with rib along the face direction of said pump housing section, and the axle direction bulging from the said pump housing section along above-mentioned bearing shaft hub forms.
By making the 2nd invention solve above-mentioned problem for following water pump, in the 1st invention, above-mentioned ventilation eaves section separates set interval and forms two.By making the 3rd invention solve above-mentioned problem for following water pump, in the 1st invention, above-mentioned ventilation eaves section separates set interval and forms two, and the top of above-mentioned two ventilation eaves sections each other continuously and form.
The effect of invention
In the 1st invention, spilled water hole all forms the bulge that has at least several angle with the wall of rib and ventilation eaves section, even if so a mould, only the direction by changing the mole pin just can be until the direction of change spilled water hole and air-vent in the scope of the angle of several angle.Thus, also same mould can be used even if the setting angle of water pump is different size, the product of different size can be qurer so need not to spend in addition the mould expense made.
Make the 2nd invention be a kind of water pump, in the 1st invention, above-mentioned ventilation eaves section separates set interval and forms two, thereby becomes the formation that ventilation eaves section covers the opening of air-vent fully, can play by ventilation eaves section making water and mud be difficult to the effect that enters from the opening of air-vent.In addition, can not bring damage to bearing and the mechanical sealing spare that is disposed in the shell.
In the 3rd invention, above-mentioned ventilation eaves section separates set interval and forms two, and the top of above-mentioned two ventilation eaves sections each other continuously and form, thereby the wall one of ventilation eaves section forms with evening, so simple shape can reduce casting mould and take and processing charges.In addition, with the 2nd invention roughly similarly, fully cover the formation of the opening of air-vent for ventilation eaves section, play water and mud and be difficult to enter from the outside effect in the opening of air-vent.In addition, bring damage can for configuration bearing and mechanical sealing spare in the enclosure.
Description of drawings
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 of (α) section of Fig. 1 (A).
Fig. 2 (A) is the vertical profile 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) are expression wears the state of spilled water hole and air-vent with the rib side from spilled water hole to certain two ventilation eaves sections sectional views.
Fig. 4 (A) is the stereogram of shell of expression the 1st mode of execution of the present invention, Fig. 4 (B) be expression the 2nd mode of execution of the present invention shell want section's stereogram, Fig. 4 (C) be the 2nd mode of execution want section's plan view.
Description of reference numerals
A ... shell, 1 ... the bearing shaft hub, 11 ... bearing chamber, 2 ... the pump case body, 21 ... the Sealing installation room, 3 ... plenums, 5 ... air-vent, 6 ... ventilation eaves section, 7 ... rib, 8 ... the spilled water hole rib.
Embodiment
Below based on the description of drawings embodiments of the present invention.The present invention mainly comprises shell A, band axle bearing 91, mechanical sealing spare 92, impeller 93.Above-mentioned shell A is aluminum alloy system, but also can be other materials.
Shell A comprises the bearing shaft hub 1 of general hollow drum and the pump case body 2 of writing board shape as shown in Figure 1 and Figure 2.Bearing shaft hub 1 forms with pump case body 2.Bearing shaft hub 1 forms besieged bearing chamber 11 in interior all sides.In addition, in pump case body 2, be formed with the Sealing installation room 21 that mechanical type Sealing 92 is installed.
Bearing portion with axle bearing 91 is installed in bearing chamber 11, mechanical sealing spare 92(is installed with reference to Fig. 1 (B) in Sealing installation room 21).With the axle 91a of axle bearing 91 by mechanical sealing spare 92 and circumferential lateral surface by the sealing of watertight ground, and connect mechanical sealing spare 92.And, at axle direction one end of axle 91a impeller 93 is installed.In addition, at axle 91a belt wheel 94 is installed, mounting strap 95(is with reference to Fig. 1 on this belt wheel 94).
Between the bearing chamber 11 of shell A and Sealing installation room 21, be formed with plenums 3(with reference to Fig. 1 (B), Fig. 2 (A)).This plenums 3 be formed in be installed on bearing chamber 11 with the bearing part of axle bearing 91 and be installed on space between the mechanical sealing spare 92 of Sealing installation room 21.On shell A, spilled water hole 4 and air-vent 5 are formed at above-below direction and Vertical direction (with reference to Fig. 1 (B), Fig. 2 (A)) with respect to the axle 91a with axle bearing 91.
Above-mentioned spilled water hole 4 and air-vent 5 are to connect inner with the outside hole of above-mentioned shell A, have the effect that is formed in mechanical sealing spare 92 and discharges to the outside of shell A with the cooling water in the plenums 3 between the axle bearing 91 revealing and accumulating in.Above-mentioned spilled water hole 4 and air-vent 5 are the holes that connect private side with the pipeline shape of outer side of the plenums 3 among the shell A, all are the hole of straight line shape, and spilled water hole 4 and air-vent 5 arrangements form (with reference to Fig. 1, Fig. 2) in a straight line.
Position below shell A is formed with spilled water hole and uses rib 8(referring to figs. 1 through Fig. 3).This spilled water hole is the positions that form above-mentioned spilled water hole 4 with rib 8, above-mentioned bearing shaft hub 1 and said pump housing section 2 be connected root position, from the lower side of bearing shaft hub 1 below the face direction of pump case body 2 and form.
And, centered by the diameter center (also comprising the approximate diameter center) of above-mentioned bearing shaft hub section 1 and have set width in the face direction of said pump housing section 2, and the axle direction bulging from said pump housing section 2 sides along above-mentioned bearing shaft hub 1 forms (with reference to Fig. 1 (B), (C), Fig. 2 (A)) to spilled water hole with rib 8.
Spilled water hole particularly forms to take a breath centered by the eaves section 6 with rib 8 and has the fan shape of (several angle) about about 30 degree or the angle more than 30 degree along Zhou Fangxiang.In addition, when ventilation eaves section 6 is two, form roughly trapezoidal with respect to separately air-vent 5.
Be formed with ventilation eaves section 6 in the outside of shell A.More specifically, ventilation eaves section 6 is formed on both fixed positions of the outer side surface top of above-mentioned bearing shaft hub 1, and the outstanding formation of the axle direction from said pump housing section 2 sides along above-mentioned bearing shaft hub 1.Particularly, the shape of ventilation eaves section 6 for erecting along the axle direction with the axle 91a of axle bearing 91.Ventilation eaves section 6 has the outer side of the shell A that covers above-mentioned air-vent 5 and as the ventilation opening 51 of the discharge side of air-vent 5 and strengthen the effect of shell A.
In addition, the area of the eaves opening 61 of ventilation eaves section 6 is the slightly large degree of area than the ventilation opening 51 of above-mentioned air-vent 5.For ventilation eaves section 6, guarantee that preferably the area of the eaves opening 61 of the area of necessity of ventilation opening 51 of air-vent 5 and order ventilation eaves section 6 is as far as possible little area.The area of the eaves opening 61 by the eaves section 6 that reduces to take a breath can suppress water and mud and invade inner from air-vent 5.
As the inhibition mechanism of this intrusion, in the path of ventilation eaves section 6, sometimes between the ventilation opening 51 of the eaves opening 61 of this ventilation eaves section 6 and air-vent 5, be formed with poor 62 of the ladder of dike shape.By poor 62 of this ladder, can suppress water and mud invade shell A from the ventilation opening 51 of air-vent 5 inside.
In addition, at the position of the eaves opening 61 of ventilation eaves section 6, with along with from the top near bearing shaft hub 1 side and from pump case body 2 away from mode will form longer with the gentle slope of bearing shaft hub 1 side.Thus, the water of end face of eaves opening 61 that is attached to ventilation eaves section 6 along the gentle slope shape and from eaves opening 61 away from and hang down, can suppress thus water and mud and invade to inside from air-vent 6.
Between bearing shaft hub 1 and pump case body 2, be formed with a plurality of ribs 7.The height of rib is for along with uprising at leisure towards the bearing propeller boss.Rib 7 in the periphery of bearing shaft hub 1 roughly uniformly-spaced to be configured in five positions.The number of rib 7 not necessarily is defined as five, also can for below five, perhaps also can for more than five, consider that whole balance forms.
Rib 7 forms en plaque, with a plurality of bolt mounting bases 22,22 from the outer periphery that are formed at pump case body 2 ... the mode that links to each other continuously towards the diameter center of bearing shaft hub 1 forms.The height dimension of the bolt mounting base 22 that near the height the outer end of each rib 7 and the axle direction from pump case body 2 along bearing shaft hub 1 are outstanding about equally.And, form in the mode that the axle direction along bearing shaft hub 1 extends at the continuous position of rib 7 with the circumferential lateral surface of bearing shaft hub 1.
A plurality of ribs 7,7 ... form continuously with the circumferential lateral surface of bearing shaft hub 1, but a part wherein and above-mentioned ventilation eaves section 6 form continuously.Above-mentioned rib 7 is formed on the top portion of above-mentioned ventilation eaves section 6.From the bolt mounting base 22 at a position, form two roots 7 towards ventilation eaves section 6, by side wall portion 6a, the 6a of the left and right sides that consists of ventilation eaves section 6 and branch shape to become bifurcated roughly be two shape.
That is, in bearing shaft hub 1 side of rib 7, by side wall portion 6a, the 6a of ventilation eaves section 6 and branch shape to become bifurcated be two shapes.And, be that side wall portion 6a, the 6a of two shapes consists of a strengthening rib by the bifurcated of rib 7 and ventilation eaves section 6, the ventilation opening 51 of air-vent 5 is covered in mode that can exhaust by ventilation eaves sections 6, even if rib 7 is consistent with the optimum position of air-vent 5, also can both guarantee the optimum position and prevent mutual interference, can realize fully its function as strengthening rib.
Above-mentioned ventilation eaves section 6 separates set interval and is formed on 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 of two ventilation eaves sections 6,6.And, form towards two ventilation eaves sections 6,6 from bolt mounting base 22, two roots 7 at a position, 7, from two ribs 7 separately by the side wall portion 6a, the 6a that consist of ventilation eaves section 6 and Y-shaped to become bifurcated roughly be two shape.The wall of eaves section of namely taking a breath is divided into four.
As mentioned above, have two ventilation eaves sections 6,6 and two ribs 7,7 corresponding with these two ventilation eaves sections 6,6.And two ventilation eaves sections 6,6 can be set as the top that its one party is positioned at shell A.That is, according to the motor that water pump of the present invention is installed, there is the situation that changes setting angle, but possesses two ventilation eaves sections 6, thereby the ventilation eaves section 6 of one party is set as the top that is positioned at shell A.
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 section 6 separates set interval and forms two, and the top of above-mentioned two ventilation eaves sections 6,6 each other continuously and form.Particularly, side wall portion 6a, the 6a of the adjacent nearside of two ventilation eaves sections 6,6 is not set, consisted of by two side wall portion 6a, 6a being formed on the position of leaving most and the top 6b that between the 6a of two side section, 6a, forms.
Top 6b is along the Zhou Fangxiang of the circumferential lateral surface of bearing shaft hub 1 and form roughly circular-arc sheet part.And, between above-mentioned top 6b and pump case body 2, form rib 7.This rib 7 forms one.Particularly, in the Zhou Fangxiang of top 6b, form rib 7 in neutral position roughly.
In addition, the roughly neutral position of the Zhou Fangxiang of the 6a of two side section, 6a and top 6b, and bearing shaft hub 1 between, be formed with partition wall 71.This partition wall 71 links to each other across top 6b with rib 7 between the pump case body 2 with the aforesaid top 6b that is formed on, and partition wall 71 is separated two ventilation eaves section 6,6 and played the effect of the reinforcement of ventilation eaves section 6 with rib 7.
In the present invention, above-mentioned spilled water hole has set width with rib 8, can bore a hole by drill bit with respect to two ventilation eaves sections 6,6 and form spilled water hole 4 and the air-vent 5 of two positions.As mentioned above, spilled water hole 4 and air-vent 5 are configured on the straight line (also comprising a roughly straight line), and spilled water hole 4 is formed on lower side with respect to shell A, and air-vent 5 is formed on upper side (with reference to Fig. 1 (A), (B)) with respect to shell A.
Spilled water hole has set width with rib 8, particularly, 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 sides were installed on motor, the mode of position that is positioned at the top of shell A with air-vent 5 formed this air-vent 5.In addition, are being best modes as the position configuration air-vent 5 above the shell A.
At this, when changing shell A the change of setting angle of shell A occured to the installment state of motor, towards the ventilation eaves section 6 of the top of two ventilation eaves sections 6 or near the ventilation eaves section 6 of top, by the perforating tool T of drill bit etc. from spilled water hole with rib 8 below the position bore a hole.At this moment, in ventilation eaves section 6 for seeing when being positioned at than on the right side ventilation eaves section 6 of the top position of bearing shaft hub 1 from main looking, from spilled water hole with near the position the left side of rib 8 bore a hole (with reference to Fig. 3 (A)).
In addition, in ventilation eaves section 6 for looking when seeing that the top position that is positioned at than bearing shaft hub 1 keeps left the ventilation eaves section 6 of side from main, from spilled water hole with near the position the right side of rib 8 bore a hole (with reference to Fig. 3 (B)).Thus, can make spilled water hole 4 and air-vent 5 be positioned at roughly on the straight line and form air-vent 5 up and spilled water hole 4 below.
Claims (3)
1. water pump, it is characterized in that, shell has the bearing shaft hub and along the pump case body that extends perpendicular to the axial direction of this bearing shaft hub, in this shell, have: the bearing chamber of interior all sides of the bearing shaft hub of this shell, Sealing installation room in the pump case body, be formed on the plenums between above-mentioned bearing chamber and the above-mentioned Sealing installation room, the air-vent that the inner and upper of the above-mentioned plenums of above-mentioned shell is communicated with outside top, with the below, inside of the above-mentioned plenums of above-mentioned shell with outside below the spilled water hole that is communicated with, be formed at above-mentioned bearing shaft hub outer side surface top both fixed positions and cover two ventilation eaves sections of the opening of above-mentioned air-vent, the spilled water hole rib that is formed with spilled water hole with the outer side surface below that is set in above-mentioned shell, this spilled water hole has set width with rib along the face direction of said pump housing section, and the axle direction bulging from the said pump housing section along above-mentioned bearing shaft hub forms.
2. water pump according to claim 1 is characterized in that,
Above-mentioned ventilation eaves section separates set interval and forms two.
3. water pump according to claim 1 is characterized in that,
Above-mentioned ventilation eaves section separates set interval and forms two, and the top of above-mentioned two ventilation eaves sections 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 true CN103062092A (en) | 2013-04-24 |
CN103062092B 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 |
---|---|---|---|---|
CN110131211A (en) * | 2019-06-21 | 2019-08-16 | 郑州飞龙汽车部件有限公司 | A kind of centrifugal pump body 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 |
CN103062092B (en) | 2016-04-06 |
JP5897868B2 (en) | 2016-04-06 |
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