CN1721678A - Engine - Google Patents

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Publication number
CN1721678A
CN1721678A CN 200510084609 CN200510084609A CN1721678A CN 1721678 A CN1721678 A CN 1721678A CN 200510084609 CN200510084609 CN 200510084609 CN 200510084609 A CN200510084609 A CN 200510084609A CN 1721678 A CN1721678 A CN 1721678A
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CN
China
Prior art keywords
mentioned
supply mouth
cooling water
path
water
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Granted
Application number
CN 200510084609
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Chinese (zh)
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CN100507227C (en
Inventor
渡边延广
桥本光
植村一正
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Yanmar Power Technology Co Ltd
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Yanmar Co Ltd
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Publication date
Application filed by Yanmar Co Ltd filed Critical Yanmar Co Ltd
Publication of CN1721678A publication Critical patent/CN1721678A/en
Application granted granted Critical
Publication of CN100507227C publication Critical patent/CN100507227C/en
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Abstract

To prevent steam and cooling water becoming boiling water from suddenly jumping outside from a cooling water replenishing port arranged on a cooling water tank upper surface, by surely securing an outlet of the steam, when expanding since the cooling water in a cooling water tank boils. In this engine, the cooling water tank 1 is arranged above a cylinder or a crank case. A cooling water replenishing port body 2 is arranged on the upper surface of the cooling water tank 1. A water passage 4 and a steam passage 3 are formed in the replenishing port body 2.

Description

Motor
Technical field
The relevant water-cooled engine of the present invention, the particularly relevant formation that is configured in the supply notch portion of cooling water set on the cooling water tank of its cylinder or crank box top.
Background technique
All the time, water-cooled engine has also set cooling water tank when setting water jacket around cylinder above cylinder.And, this cooling water tank and water jacket are communicated with, and when engine operation the heated words of the cooling water in the water jacket, this cooling water rises and enters in the cooling water tank, enter in the water jacket than the water in the cooling water tank of this cooling water-cooled is additional, by making the cooling water circulation, with cooling cylinder.And, the top of cooling water tank is set up the supply mouth of cooling water, when this supply mouth is filled cooling water, make in the cooling water tank and the outside atmosphere connection, even because the temperature rising volume of cooling water increases, perhaps water vapour produces, and also can allow (opening flat 9-250388 communique with reference to the spy).
But, existing water-cooled engine, the words of the cooling water boiling in the cooling water tank, the cooling water expansion water surface rises, when reaching the supply mouth, because the cause of the water of the bubble that produces because of boiling and water vapour and rising, the supply mouth is blocked, pressure in the cooling water tank raises, the problem that the water and steam that can occur seething with excitement is emerged from the supply mouth suddenly.
That is to say, as shown in figure 13, existing supply mouth body 102, upper end open portion by cooling water tank 101 is provided with, the top of this supply mouth body 102 is provided with supply mouth 101a, the bottom of below is provided with exit orifice 103 above the cooling water tank 101, this supply mouth 101a and exit orifice 103 should repeatedly not dispose when overlooking, boiled water is not directly come out from the supply mouth during so that seethe with excitement, and then be the side, top of supply mouth body 102, it also has following formation, and supply mouth 101a below and exit orifice 103 tops are provided with overflow road 104, so that can discharge the pressure that dilation causes when boiling of the cooling water in cooling water tank 101 and expansion, the steam of discharge water simultaneously.But it exists boiling and causes that the bubble and the volumetric expansion that take place on the water surface cause the water slug overflow road 104 that the water surface rises, and cooling water tank 101 pressure inside rise thus, the problem that the boiling water and steam is emerged from supply mouth 101a quickly.
And then, existing supply mouth structure, the cooling water that enters the cooling water tank from water jacket can not circulate the shortcoming that the cooling effectiveness of this cooling water is low well in addition.And, in when, in water jacket and cooling water tank water vapour having taken place, because this cooling water is not well circulation in cooling water tank, so it also exists the water level indefinite (water surface injustice) of the cooling water in the cooling water tank, the cooling water problem of emerging from the supply mouth easily as a result.
Summary of the invention
The objective of the invention is for solving aforesaid problem, so that the motor with following feature to be provided.
That is to say that as described in the present invention the 1st aspect, on the motor of configuration cooling water tank above cylinder or the crank box, the top setting of above-mentioned cooling water tank has the supply mouth body of water supply mouth, form water on this supply mouth body with path and water vapour path.Like this, the path of boiling water and steam separates, and when the cooling water boiling in the cooling water tank was expanded, the water and steam that can prevent to seethe with excitement was emerged to the outside from the supply mouth quickly.In addition, even cooling water is added in the cooling water tank from supply mouth body quickly, owing to carry out exhaust with path by water vapour, thus can successfully replenish cooling water.
As described in the present invention the 2nd aspect, the above-mentioned water vapour of above-mentioned supply mouth body with the outlet upper end of path below, be provided with the path that overflows of cooling water.Like this, cooling water expands and when the supply mouth overflows, flows to and overflow path, thereby can not stop up the outlet of water vapour with path, emerges from the supply mouth suddenly so can prevent boiled water.In addition, utilizing this to overflow path can also be boiled water row to desirable direction.
As described in the present invention the 3rd aspect, following formation sealing gasket is installed and is used recess around the above-mentioned supply mouth body, installs with recess and overflow at the sealing pad to form the connection ditch between the path.Like this, can install with the water in the recess and be discharged to the outside, at this moment can cooperate and overflow path water is discharged to desirable direction accumulating in sealing gasket from the connection ditch.
As described in the present invention the 4th aspect, above-mentioned supply mouth body is constituted tubular, use above-mentioned water vapour channel setting around the top of supply mouth body.Like this, strengthen the intake section of water vapour with path, when even the boiling of the cooling water in the cooling water tank is expanded and engine main body situation such as when any one direction tilts, cooling water can not stop up this intake section yet, thereby can guarantee to be the path of discharge water steam really.
As described in the present invention the 5th aspect, the exit portion formation wall portion down of path of the water vapour around the top of above-mentioned supply mouth body.Like this, utilize wall portion to make the ejection bending downwards of water vapour after because water vapour is discharged from outlet, emerge from the supply mouth so can prevent water vapour quickly.In addition, the inboard of wall portion can constitute the place that accumulates of water vapour and bubble, strengthens the bubble piece that takes place, thereby can prevent that small bubble are stranded in the exit portion of water vapour with path.
As described in the present invention the 6th aspect, by have water vapour with path and water with the top body of path, prevent bubble directly enter from the below top body water with the lower body of path, be configured in top body and lower body around to prevent that bubble from entering top body water and constituting above-mentioned supply mouth body with the ring bodies of path from the side.Because this lower body and ring bodies, bubble can directly not enter the supply mouth during cooling water boiling, thereby can prevent to take the supply mouth by the bubble that accumulates on the water surface, and the boiling water and steam is emerged suddenly.
As described in the present invention the 7th aspect, between above-mentioned top body and lower body, grip above-mentioned ring bodies.Like this, can assemble supply mouth body simply.
As described in the present invention the 8th aspect, above-mentioned lower body is constituted the approximate circle plate-like, around this lower body, form edge portion with the inclined-plane that tilts obliquely upward.Because the shape of this lower body, the bubble in the cooling water that takes place in the time of can making boiling is introduced the side, prevents that water vapour from entering from the intake section gathering with path of the water that constitutes above lower body.In addition, when supply mouth body being inserted in the supply mouth of cooling water tank, the inclined-plane of the edge portion of lower body becomes guide surface, thereby supply mouth body is installed easily.
As described in the present invention the 9th aspect, on above-mentioned supply mouth body, be provided with by buoyancy aid and support the float that the barred body of this buoyancy aid is formed, on the body of above-mentioned top, but this barred body is supported on free lifting ground, and the lower side of this float arrangement in above-mentioned lower body.Owing to such formation, can obtain to possess integratedly the supply mouth body of float simply.
As described in the present invention the 10th aspect, around the above-mentioned lower body as the block of the buoyancy aid of above-mentioned float.Like this, even buoyancy aid rises and rises along with the water surface, also can prevent to support barred body unnecessary outstanding of buoyancy aid to supply mouth body top.
As described in the present invention the 11st aspect, below above-mentioned lower body, the guide plate of configuration guiding bubble.Because this guide plate, during the cooling water boiling, water vapour and bubble directly do not enter the supply mouth, and take the supply mouth by bubble, thereby the water and steam that can prevent to seethe with excitement is emerged suddenly.In addition, carry out rectification, can prevent that bubble etc. from concentrating near the supply mouth body by convection current to the cooling water in the cooling water tank.
As described in the present invention the 12nd aspect, dispose above-mentioned guide plate up and down obliquely.Like this, can guide the inclined-plane of the bubble that takes place in the cooling water tank to a side, bubble coalescence is eliminated as soon as possible in the eminence on this inclined-plane along this guide plate.In addition, also can emit bubble and rise to the cooling water from guide plate at optimum orientation arbitrarily, also can the ascent direction of bubble guide into the side of overflowing of water in the opposite direction.
As described in the present invention the 13rd aspect, edge portion formed from above-mentioned guide plate inclination two side ends extend shape downwards.Like this, can prevent that bubble from discharging along the side that is tilted to ascent direction of guide plate, assembles bubble in the eminence of this inclination easily.
As described in the present invention the 14th aspect, form above-mentioned lower body and guide plate.Therefore, can use synthetic resin etc. to make this lower body and guide plate at low cost.In addition, one-body molded by the guide plate on this lower body is carried out, can assemble supply mouth body simply.
As described in the present invention the 15th aspect, on above-mentioned guide plate, form the block of the buoyancy aid of float.Like this, can prevent to support buoyancy aid barred body, from the outstanding upward too much this unnecessary rising of supply mouth body.In addition, both can limit buoyancy aid and move, vibration of buoyancy aid etc. in the time of also can preventing to seethe with excitement to the side.
The accompanying drawing simple declaration
Fig. 1 is the side view of the relevant supply mouth body of one embodiment of the invention.
Fig. 2 is the side cutaway view of this supply mouth body.
Fig. 3 is the stereogram of top body.
Fig. 4 is the worm's eye view of this top body.
Fig. 5 is the stereogram of lower body.
Fig. 6 is the stereogram of ring bodies.
Fig. 7 is other embodiments' of expression supply mouth body a side view.
Fig. 8 is the side cutaway view of the supply mouth body of Fig. 7.
Fig. 9 is the stereogram of the supply mouth body middle and lower part body of Fig. 7.
Figure 10 is the side view of other embodiments' the supply mouth body with lower body.
Figure 11 is the side cutaway view of the supply mouth body of Figure 10.
Figure 12 is the stereogram of motor.
Figure 13 is the side cutaway view of existing supply mouth body.
Symbol description
1 cooling water tank
2 supply mouth bodies
3 water vapour paths
4 water paths
10 top bodies
12b wall portion
The 13b sealing gasket is installed and is used recess
13c is communicated with ditch
14 overflow path
16 floats
17 buoyancy aids
18 barred bodies
20 lower body
24 edge portions
30 ring bodies
The 5050X lower body
The 6060X assembly department
The 7070X block
The 8080X guide plate
80b edge portion
90 motors
92 crank boxs
Embodiment
The water-cooling type horizontal cylinder type diesel engine 90 that shown in Figure 12 is as the present invention's one example.This motor 90 has horizontal cylinder 91 and forms the cylinder block that is configured in the water jacket of not representing among its figure on every side in inside, and at the right side side of this vapour 91 configuration crank box 92, the left side side of this vapour 91 disposes cylinder head and valve arm case 93 etc. during side-looking.In addition, so long as use the motor of water cooling cylinder, the present invention is also applicable to other any internal-combustion engines such as other vertical cylinder type diesel engine and petrol engines so.
And motor 90 at the top of this cylinder block (and crank box 92) configuration cooling water tank 1, by being communicated with this cooling water tank 1 and being configured in vapour 91 water jacket on every side, can make cooling water circulate with the cooling cylinder body between cooling water tank 1 and water jacket.In addition, for the top of crank box 92, disposed fuel tank 94 in the right side side of above-mentioned cooling water tank 1.This fuel tank 94 utilizes a side is fixedly installed on the above-mentioned crank box 92, and opposite side is fixedly installed on dunnage 95 on the fuel tank 94 to be fixed on the crank box 92.
As shown in Figures 1 and 2, on the extreme higher position on above-mentioned cooling water tank 1 opening portion 1a is set, supply mouth body 2 has been installed on this opening portion 1a.This supply mouth body 2, by the supply mouth 11a that carries out opening in the above near middle position, have the water vapour that is connected with this supply mouth 11a and use the top body 10 of path 4 with path 3 and water, prevent that bubble from directly entering the lower body 20 in the top body 10 water usefulness path 4 from the below, be configured in ring bodies 30 formations to prevent that bubble from entering from the side on every side of top body 10 and lower body 20, water vapour and bubble can directly not reach supply mouth 11a when the cooling water in the cooling water tank 1 seethed with excitement like this, and take supply mouth 11a by bubble, thereby the boiling water and steam can not emerged suddenly.
And, above-mentioned supply mouth body 2, the water that is arranged on the top body 10 path 4 and water vapour path 3 have been formed as described later, path by the water and steam that separately seethes with excitement, when preventing that cooling water boiling in the cooling water tank from expanding, the boiling water and steam is emerged to the outside from supply mouth 11a quickly.And then, utilize this water vapour with path 3, cooling water when supply mouth body 2 adds to cooling water tank 1 in, even replenish cooling water quickly, owing to carrying out exhaust with path 3, thereby can successfully replenish cooling water by water vapour.
Below, be elaborated respectively with regard to top body 10, lower body 20, ring bodies 30.
As Fig. 2, Fig. 3 and shown in Figure 4, top body 10 is made of support part 11 and cylindric 12, and support part 11 is constituted the approximate square shape when overlooking and relies on a side a little so that supply mouth 11a to be set from its central authorities.And, around the supply mouth 11a of support part 11 downwards outstanding cylindric 12 be provided with.The outside of support part 11 is formed in substantially horizontal and extends the edge portion 13 that is provided with, offer hole 13a in the suitable place of this edge portion 13 (in the present embodiment being four jiaos), cylindric 12 from above inserted under the state the opening portion 1a each hole 13a aimed at the hole that is located on the cooling water tank 1, carry out the spiral installation among the 13a of these holes by bolt 5 is inserted, thereby can be support part 11 that top body 10 is fastened on the cooling water tank 1.Form the 11d of burrock portion above having risen to along periphery in the inboard of above-mentioned edge portion 13, the part of the 11d of this burrock portion is cut into otch as the path 14 that overflows described later.
In addition, as Fig. 2 and shown in Figure 4, around the inside of support part 11, the stairstepping when constituting section and seeing, with this inboard in support part 11 be positioned at above the cooling water tank 1 above and form two sections recess 11b11c.And, form the space between this recess 11b11c and hole 12a described later cylindric 12 and ring bodies 30 tops and as water vapour with path 3.Like this, around the top of opening portion 1a by water vapour being arranged on cooling water tank 1 with path 3, even strengthen the intake section 3a of water vapour with path 3, when the boiling of cooling water in cooling water tank 1 is expanded and engine main body when any direction tilts etc., can can positively not guarantee to be used for the path of discharge water steam like this because of cooling water stops up intake section 3a yet.
As shown in Figures 2 and 3, above-mentioned cylindric 12, the opening of central upper as supply mouth 11a, and is made shape below giving prominence to around this supply mouth 11a, this bottom is configured in the cooling water tank 1.Cylindric 12 side face has been set up in parallel the hole 12a of the finedraw shape of length along the vertical direction at the circumferencial direction predetermined distance of being separated by.This hole 12a of cylindric the 12 also above-mentioned water vapour of double as uses the outlet of path 3 and the gateway of water usefulness path, thereby can be discharged to the outside passing through the water vapour of above-mentioned water vapour with path 3.This water vapour with path 3 owing to be arranged on around the supply mouth 11a, so no matter engine main body to which direction tilts to set, the part of avris becomes the state of opening always in the inclination, and 1 inside and outside connection of cooling water tank, boiled water just can not emerged suddenly when seething with excitement like this.In addition, as Fig. 2 and shown in Figure 4, cylindric 12 lower end is provided with bottom 12c and closing, and the screw hole of screw 26 described later is installed running through on the above-below direction to be provided with to spiral in the formed female thread of the 12c portion 15 of this bottom.
As Fig. 2, Fig. 3 and shown in Figure 4, formed the 12b of wall portion down on the supply mouth 11a periphery of cylindric 12 top support part 11 on every side.The lower end of the 12b of this wall portion is positioned at the position that is higher than above-mentioned recess 11b, has constituted the exit portion 3b of above-mentioned water vapour with path 3.Like this, the water vapour of below support part 11, flowing through with path 3 and the water vapour that reaches central part in case after the bending downwards, just can be by hole 12a from supply mouth 11a discharge, thus prevent that water vapour from emerging from supply mouth 11a quickly.And then, on (water vapour with path 3 sides) formed recess 11c between this 12b of wall portion and the 11d of burrock portion, can constitute the place that accumulates of water vapour and bubble, pass through like this to strengthen the bubble piece that takes place, thereby can prevent that small bubble are stranded in water vapour with among path 3 and the supply mouth 11a.
In addition, as shown in Figures 2 and 3, above the support part 11, form lower ditch, this ditch is overflowed path 14 as cooling water from the supply mouth 11a above-mentioned burrock 11d of portion otch laterally.The bottom surface that this overflows path 14 is configured in as the below of water vapour with cylindric 12 hole 12a upper end of path 3 outlet, when cooling water expands when hole 12a overflows, then can flow to and overflow path 14, thereby can not stop up the outlet of water vapour with path 3.Like this, just can guarantee steam outlet always, prevent that boiled water from emerging suddenly.In addition, utilizing this to overflow path 14 can discharge boiled water to desirable direction.That is to say, in order not make the water that from the cooling water tank 1 that is configured in cylinder 51 tops, overflows, the electronics of motor 90 and suction unit etc. locate to cause fault below reaching, the position of path 14 is overflowed in setting so that boiled water is discharged to minding the direction of leaking, and a supply mouth body 2 of taking this as the standard is installed on the cooling water tank 1.
And then, as Fig. 2, Fig. 4 and shown in Figure 8, below being arranged on above-mentioned top body 10 edge portion 13 on every side, on whole full week, the sealing gasket installation is recessed to form upward with recess 13b.Then, install at sealing gasket and to use recess 13b, when mounted, form with external communications is used and be communicated with ditch 13c, and be configured on the same straight line with the above-mentioned path 14 that overflows.That is to say, formed connection ditch 13c below the edge portion 13 on the elongation line that overflows path 14.Like this, be communicated with ditch 13c by installing with recess 13b at sealing gasket and overflowing to form between the path 14, just can be discharged to the outside from being communicated with ditch 13c accumulating in the water that sealing gasket installs with recess 13b, at this moment can be water to the desirable direction discharge identical with overflowing path 14.
In addition, as shown in Figures 1 and 2, supply mouth body 2 has been installed float 16 integratedly so that understand the amount of the cooling water in the cooling water tank 1 at an easy rate.Float 16 by columned buoyancy aid 17, support the barred body of this buoyancy aid 17 to constitute, but these barred body 18 free liftings be supported in the support part 11 of top body 10.The buoyancy aid 17 of float 16 uses the proportion making such as synthetic resin, hollow body or foam littler than water, in cooling water tank 1, it is according to the lifting of water surface elevation position, can be by the height (capacity of water in the cooling water tank) of the location confirmation water surface of the front end (upper end) of barred body 18.In the present embodiment, the buoyancy aid 17 of float 16 is configured in the lower side of lower body 20, and this lower body 20 and buoyancy aid 17 parts repeat when overlooking.
Like this, cooling water is added in the cooling water tank 1, float 16 and the proportional rising of the water yield when filling, are run into above the buoyancy aid 17 below the periphery of lower body 20, and the rising of buoyancy aid 17 stops.And then, continue to replenish cooling water, then can confirm the water surface from supply mouth 11a, the water surface reaches proper level can in time stop moisturizing.During further additional cooling water, support the barred body 18 of buoyancy aid 17, be in the state that stops to rise, can be not unnecessarily to rise above the cooling water tank 1 from supply mouth body 2.That is to say, even buoyancy aid 17 is followed the rising of the water surface and is risen, can not rise to necessary above height to barred body 18 yet, outstanding like this barred body 18 just can not block, when perhaps making motor 90 be configured in the casing, barred body 18 can not produce with the other machines in this casing to interfere or produce and hinder.In addition, float 16 by constituting integratedly with supply mouth body 2, can be assembled into the cooling water tank 1 of supply mouth body 2, can also be configured in float 16 in the cooling water tank 1 simply simultaneously.
In addition, as Fig. 2, shown in Figure 5, above-mentioned lower body 20 is made of discoid base portion 21 and supporting plate 2223, is above this base portion 21 radially to erect to be provided with to the heart therein to intersect supporting plate 22 and the supporting plate 23 that disposes.But the quantity of supporting plate is unqualified.Constitute the edge portion 24 with the inclined-plane that tilts obliquely upward and make the plate shape around base portion 21, the radius of the radius ratio ring bodies 30 of this edge portion 24 is big and the radius of the 1a of ratio open portion is little.Like this, below around the base portion 21 time as the block of above-mentioned float 16, can utilize following the interior bubble of cooling water that takes place when seething with excitement of this base portion 21 to guide side on every side on every side, thereby prevent water vapour and bubble coalescence and enter the intake section 4a that the water that is constituted is used path 4 above lower body 20.In addition, the supply mouth body 2 after top body 10, lower body 20 and ring bodies 30 assemblings in opening portion 1a inserts cooling water tank 1 time, the inclined-plane of above-mentioned edge portion 24 becomes guide surface, thereby can be successfully inserts lower body 20 and ring bodies 30 in the cooling water tanks 1 and at an easy rate supply mouth body 2 is installed on the cooling water tank 1.
As Fig. 2 and shown in Figure 5, the top that is located at the both side ends of the supporting plate 2223 on the above-mentioned lower body 20 becomes the section shape to reduce, the 22a23a of its section portion from the intersection central part of two supporting plates 2223 lower body 20 radially with same distance, on distance base portion 21, constitute on the sustained height in addition, thus as shown in Figure 2, can cooperate support to the bottom 36 of ring bodies 30.Like this, form the space on the base portion 21 of lower body 20 and between the bottom 36 of ring bodies 30 and constituted the intake section 4a of water with path 4.And then, can make the cooling water circulation between bottom 36 superjacent air spaces of the central opening 36a of the bottom 36 of ring bodies 30 in this ring bodies 30 from the supporting plate 22 and the space between the supporting plate 23 of lower body 20.In addition, the 22a23a of section portion also plays the effect of the align member of ring bodies 30.
In addition, the length direction middle part of one side's supporting plate 22, make lug boss 25 moulding integratedly, and the hole of this lug boss 25 is aimed at the screw hole of the female thread portion 15 on 10 cylindric 12 bottom 12c of above-mentioned top body that is located at, insert these holes from the below with this screw 26, thereby can be fastened on lower body 20 on the top body 10.In addition, lug boss 25 can also be located on the arbitrary position on the base portion 21, by constituting the effect that can also play reinforcement integratedly with supporting plate 22.In addition, the quantity of lug boss 25 is unqualified.
As Fig. 2, shown in Figure 6, above-mentioned ring bodies 30 is made of the dividing plate 33 of substantially horizontal setting between the frame shape portion 31 on top, bottom cylindric 32, frame shape portion 31 and cylindric 32.The central part of this dividing plate 33 is aimed at and is located at supply mouth 11a on the above-mentioned top body 10 and is concentric position opening portion 33a is set, and around this opening portion 33a cylindric 32 is given prominence to towards the below.Cylindric 32 radius is made cylindric 12 radius greater than top body 10, forms the space of regulation with between, and makes the formation of cylindric 32 fit on cylindric 12 of this top body 10 ring bodies 30.In addition, square tube shape is arranged to along frame shape portion 31 being erect on every side in the inboard a little in distance dividing plate 33 outsides.And this frame shape portion 31 made the corresponding shape of profile with above-mentioned top body 10, so that can insert in the recess 11c.
In addition, around the dividing plate 33 in above-mentioned frame shape portion 31 outsides, forming, be provided with tying plate 3535 with the frame shape portion 31 outer side surfaces predetermined distance of being separated by in Vertical direction edge portion 34 above at this as edge portion 34 ...The inside of going up the outside and the support part 11 of above-mentioned top body 10 of this tying plate 35 recess 11b11c of formed stairstepping on every side is corresponding and form, from below when being assembled in ring bodies 30 on the top body 10, the 35a of section portion at the inner peripheral surface of above-mentioned recess 11b and when being positioned, is also formed the space of regulation by tying between ring bodies 30 peripheries and top body 10 inner faces.Like this, between the recess 11b of the edge portion 34 of ring bodies 30 and box-shaped body 31, top body 10 and 11c, form the tortuous shape space of regulation and constitute water vapour Zhou Tonglu 3.In addition, the height of the above-mentioned wall of the ratio portion 12b lower end of the height setting of the upper end of frame shape portion 31 is low.
On the other hand, central in the horizontal direction side forms the bottom 36 around shape from above-mentioned cylindric 32 lower end, and the above-mentioned central opening 36a of portion is set, thereby as shown in Figure 2, can support cylindric 32 bottom 36 in this opening portion 36a insertion lower body 20 and with the 22a23a of section portion of supporting plate 2223.And, between this opening portion 36a, base portion 21 and the bottom 36 as water with the intake section 4a of path 4, and the space between cylindric 32 of ring bodies 30 and top body 10 cylindric 12 as water usefulness path 4.
And, cylindric 12 of top body 10 frame shape portion 31 that inserts ring bodies 30 and cylindric 32, in the time of with the support part 11 of the tying plate 35 tying top bodies 10 of the edge portion 34 of ring bodies 30, on cylindric 32 opening portion 36a of ring bodies 30, insert lower body 20 and support bottom 36 with supporting plate 2223, female thread portion 15 by the lug boss 25 of lower body 20 being aimed at top bodies 10 under this state and screw 26 from below these holes of insertion, lower body 20 is fastened on the top body 10, can be clamped to ring bodies 30 between top body 10 and the lower body 20 thus.Like this, just can assemble supply mouth body 2 simply by top body 10 and lower body 20 and ring bodies 30.
Utilize the supply mouth body 2 that is assemblied in like this on the cooling water tank 1, before the ato unit 90 from established amount supply mouth 11a when cooling water tank 1 replenishes cooling water, cooling water is from the hole 12a of supply mouth 11a by the finedraw shape, by between cylindric 12 and the ring bodies 30, between opening portion 36a, base portion 21 and the bottom 36, promptly so-called water enters in the cooling water tank 1 with path 4 again.
And motor 90 work back cooling waters are heated and seethe with excitement, and the cooling water volume increases the water surface and rises, and reaches the height of supply mouth 11a, and cooling water is discharged from outside the machine from overflowing path 14.In addition, almost rise in the cooling water with the simultaneous bubble of boiling, at this moment because the cause bubble of lower body 20 can not enter water with in the path 4, and around the edge portion 34 of ring bodies 30 and the water vapour between the opening portion 1a enter in the recess 11c with the intake section 3a of path 3.And the change of small bubble integrator is discharged from outside the machine through supply mouth 11a from the 12b of wall portion greatly.At this moment the wall portion 12b lower end of top body 10 is in and is higher than on the position of overflowing below the path 14, so the cooling water that overflows can not hinder the discharge of bubble, can not stop up supply mouth 11a, thereby boiled water can not emerged from supply mouth 11a abruptly yet.
In addition, as Fig. 7, Fig. 8 and shown in Figure 9, supply mouth body 2 can also use the lower body 50 of above-mentioned top body 10 and ring bodies 30 and alternative lower body 20 to constitute.Lower body 50 is made of integratedly assembly department 60, block 70 and guide plate 80.As shown in Figure 9, lower body 50 on the guide plate 80 in the slope that tilts, has formed the stepped part 61 and the block 70 of assembly department 60 described later, and has constituted them integratedly with resin etc.Here, one constitutes not only this stepped part 61, block 70 and guide plate 80, but also forms supporting plate 6263 described later and lug boss 65 with resin, and these members 626365 also can constitute integratedly with stepped part 61 grades thus.
Above-mentioned assembly department 60 is made of the stepped part 61 of toroidal and supporting plate 6263 etc., at this above stepped part 61, for intersecting supporting plate 62 and supporting plate 63 are radial extension setting from this point of intersection, center, guide plate 80 is tilted and is straightened during the top maintenance level of this stepped part 61 to be arranged on vertical direction near its central part.But the quantity of supporting plate is unqualified, promptly can erect and be provided with 1, also can erect the supporting plate that is provided with more than 3.
As Fig. 8 and shown in Figure 9, the top that is located at the both side ends of the supporting plate 6263 on the above-mentioned lower body 50 becomes the section shape to reduce, the 62a63a of its section portion from the intersection central part of two supporting plates 6263 lower body 50 radially with same distance, on distance base portion 61, constitute on the sustained height in addition, thus as shown in Figure 8, can cooperate support to the bottom 36 of ring bodies 30.Like this, form the space on the base portion 61 of lower body 50 and between the bottom 36 of ring bodies 30 and constituted the intake section 4a of water with path 4.And then, can make the cooling water circulation between bottom 36 superjacent air spaces of the central opening 36a of the bottom 36 of ring bodies 30 in this ring bodies 30 from the supporting plate 62 and the space between the supporting plate 63 of lower body 50.In addition, the 62a63a of section portion also plays the effect of the align member of ring bodies 30.
In addition, length direction middle part at a side supporting plate 62, make lug boss 65 moulding integratedly, and the hole of this lug boss 65 is aimed at the screw hole of the female thread portion 15 on 10 cylindric 12 bottom 12c of above-mentioned top body that is located at, insert these holes from the below with this screw 26, thereby can be fastened on lower body 50 on the top body 10.In addition, lug boss 65 can also be located on the arbitrary position on the base portion 61, by constituting the effect that can also play reinforcement integratedly with assembly department 60.In addition, the quantity of lug boss 65 is unqualified.
On the top of the guide plate 80 that tilts, (right side of stepped part 61 among Fig. 7 and Fig. 8) formed block 70 to above-mentioned stepped part 61 in the bottom.The horizontal upper of stepped part 61 between guide plate 80 upper ends (left end among Fig. 7 and Fig. 8) that the tilt end line of side slightly on the lower side, is bonded on this guide plate 80, and extends to the bottom (right-hand Fig. 7 and Fig. 8) of skewed guide plate 80 from this end line and to be provided with.As shown in Figure 9, when overlooking, the horizontal upper of stepped part 61, have the certain width zone that extends out from this end line and from this certain width zone to the semicircle zone that block 70 further extends out, in the embodiment shown in fig. 9, supporting plate 63 becomes the boundary of the horizontal upper of stepped part 61 being divided into these two zones.Above the stepped part 61,, so also can adopt other shapes if can guarantee to support the function that this assembly department of top 10 and annulus 30 60 is original.Be provided with the 61b of wall portion of vertical configuration on the stepped part 61, this wall portion 61b outer periphery above stepped part 61 extend out downwards, are continued on skewed guide plate 80.Therefore, more to block 70 side shiftings, the width up and down of the 61b of this wall portion is big more.On the other hand, the horizontal upper plate portion 70a of block 70 is bonded on the midriff of the 61b of wall portion, extends to the lower end (right-hand among Fig. 7 and Fig. 8) of skewed guide plate 80 to be provided with.As shown in Figure 9, when overlooking, the horizontal upper plate portion 70a of block 70 has from certain width zone that the 61b of this wall portion extends out and the semicircle zone that further extends out to the lower end (right-hand Fig. 7 and Fig. 8) of skewed guide plate 80 from this certain width zone.The upper plate portion 70a of block 70 if can guarantee to prevent the original function of this block of buoyancy aid 17 70, also can be other shapes.For example, can become the square shape zone to the semicircle regional replacement of upper plate portion 70a.Be provided with the 70b of wall portion of vertical configuration on the block 70, the 70b of this wall portion extends out downwards from the outer periphery of the upper plate portion 70a of block 70, is continued on skewed guide plate 80.Therefore, more to the lower end of guide plate 80, the width up and down of the 70b of this wall portion is big more.
And the barred body 18 of float 16 can slide up and down to run through the horizontal upper plate portion 70a of block 70, thereby can support upper end portions with top body 10, and the buoyancy aid 17 of float 16 is configured in the below of this upper plate portion 70a, when overlooking buoyancy aid 17 all with block 70 repetitions.17 of buoyancy aids otherwise the upper plate portion 70a of contact blocks 70, buoyancy aid 17 and barred body 18 just can move along with the moving up and down of the cooling water surface in the cooling water tank 1 integratedly up and down.And the upper plate portion 70a of buoyancy aid 17 contact blocks 70 moves above then buoyancy aid 17 just can not be more than it.Like this, can prevent the rising that float 16 is unnecessary, the overhang that barred body 18 exceeds supply mouth body 2 upper ends can too not become big.Like this, block 70 just can be stipulated the following 70c (with reference to Fig. 8) of the upper plate portion 70a that should contact buoyancy aid 17 as suppressing the float 16 excessive blocks that rise, simultaneously, the 70b of wall portion of block 70 is used to guide buoyancy aid 17 liftings.
In addition, the guide plate 80 of the below of stepped part 61 and block 70 tilts downwards to the direction (right side Fig. 7 and Fig. 8) towards block 70 from stepped part 61.On the inclined-plane of this guide plate 80, the above-mentioned end line of formation above stepped part 61 top of (left Fig. 7 and Fig. 8) inclination upward extends the portion 64 that is provided with, simultaneously the inclined-plane, below of guide plate 80 from the wall 70b of block 70 bottom further (right side Fig. 7 and Fig. 8) extend out, and have (right-hand member among Fig. 7 and Fig. 8) bottom also lower bottom than block 70.
The side is crooked to form the edge 80b80c of portion vertically downward the end of above-mentioned guide plate 80.Along the inclination of guide plate 80, inclination side edge part 80b extends in parallel setting, bottom the 80c of edge portion from guide plate 80 bottom (right-hand member Fig. 7 and Fig. 8) be extended and be arranged on vertical lower.Buoyancy aid 17 is configured between the inclination side edge part 80b80b.Opening has been offered in the below, upper end (left end among Fig. 7 and Fig. 8) of guide plate 80 (extending portion 64) between the end of this inclination side edge part 80b80b (left end among Fig. 7 and Fig. 8).
Like this, small bubble in the cooling water that takes place during to handle boiling below this lower body 50, lead with the 80b80c of edge portion with vertical surface, guide its upper side (the left side side of guide plate 80 among Fig. 7 and Fig. 8) into along the inclined-plane of guide plate 80, be gathered into big bubble, the opening of end (left side Fig. 7 and Fig. 8) passes cooling water on above-mentioned guide plate 80 (extending portion 64) again, and rises in the air of the top of the water surface in this cooling water tank 1.Like this, prevented to assemble among the intake section 4a of water that bubble constituted above lower body 50, thereby prevented that supply mouth 11a is closed because of many small bubble with path 4.Here, the true dip direction of guide plate 80 is invaded to supply mouth 11a as long as can prevent bubble, and then what direction can.In the present embodiment, on the left and right directions of Fig. 7 and Fig. 8,, disposed the inclination upper end (extension is provided with portion 64 upper ends) of guide plate 80 at the opposition side that overflows path 14 between supply mouth 11a.
Figure 10 and shown in Figure 11 be the lower body 50X that assembly department 60X is separated.Assembly department 60X, its structure is identical with above-mentioned lower body 20, with lower body 50X that it separates on formed block 70X, skewed guide plate 80X and stepped part 68.Identical with stepped part 61 blocks 70, guide plate 80, stepped part 68 is formed on the top, inclined-plane of guide plate 80X, and block 70 is formed on the bottom, inclined-plane of guide plate 80X, and the horizontal upper of stepped part 68 is higher than the horizontal upper of block 70X.And, the beveled end up and down of this guide plate 80X and bottom same as described above the extension are arranged on vertical lower, formed pair of angled side edge part suitable with the low edge 80c of portion and low edge portion with this with inclination side edge part 80b.
Above-mentioned assembly department 60X forms one or more bolt hole or screw hole in its bottom, and is corresponding with it, also formed bolt hole or screw hole in the stepped part 68 of lower body 50X.And, by bolt 81 or screw are embedded in the bolt hole or screw hole of this assembly department 60X and stepped part 68, above-mentioned lower body 50X is fastened on the above-mentioned assembly department 60X.Like this, utilize screw 26, before the lower body 50X the female thread portion 15 of assembly department 60X predetermined fixed at top body 10 on, load onto lower body 50X after on the assembly department 60X then and fix.
Like this, cooling water body 2, after having constituted the maneuverable assembly body of forming by top body 10, ring bodies 30 and assembly department 60X, just can be easy to freely load and unload ground making guide plate 80X and the incorporate lower body 50X of block 70X be mounted to this assembly body and finishing with bolt etc.
And, owing to disposed formed guide plate 8080X, so during the cooling water boiling, water vapour and bubble can directly not enter supply mouth 11a in the bottom of above-mentioned lower body 5050X, thereby can prevent to take supply mouth 11a by bubble, the boiling water and steam is emerged suddenly.In addition, utilize guide plate 8080X, can carry out rectification, thereby prevent that bubble etc. from concentrating near the supply mouth body 2 convection current of the cooling water in the cooling water tank 1.Have again, owing to the convection current of cooling water can successfully be carried out, so the cooling effectiveness of the cooling water in the cooling water tank 1 will improve.
In addition, owing to disposed above-mentioned guide plate 8080X up and down obliquely,, assemble bubble and eliminated as soon as possible so can guide the bubble that takes place in the cooling water tank 1 into top.In addition, setting by its inclination upper end position, can determine the ascent direction of bubble from lower body 5050X, on the left and right directions of Fig. 7, Fig. 8 and Figure 11, by between supply mouth 11a this inclination upper end with overflow path 14 and dispose on the contrary, can also with the overflowing direction and oppositely guide the bubble rising of water.
In addition, extend the 80b80b of edge portion that is provided with downwards, discharge towards the side of relative ascent direction, thereby can be easy at guide plate 8080X upper end portion gathering bubble so can prevent bubble because above-mentioned guide plate 8080X both sides have formed.
Have again, can use the above-mentioned lower body 5050X that makes by materials such as synthetic resin low-cost and change places this guide plate 8080X is carried out one-body moldedly constituting.
Also have, owing to be on above-mentioned guide plate 8080X, to have formed the block 7070X of the buoyancy aid 17 of float 16, so can prevent to support the unnecessary rising of the barred body 18 of buoyancy aid 17.That is to say, even water surface rising buoyancy aid 17 rises and barred body 18 is outstanding upward also harmless from top body 10.In addition, promptly can limit buoyancy aid 17 and move vibration of buoyancy aid 17 etc. in the time of preventing to seethe with excitement to the side.

Claims (15)

1. a motor disposes cooling water tank above cylinder or crank box, it is characterized in that, the top setting of this cooling water tank has the supply mouth body of water supply mouth, has formed water on this supply mouth body with path and water vapour path.
2. motor as claimed in claim 1 is characterized in that, the water vapour of above-mentioned supply mouth body with the outlet upper end of path below, be provided with the path that overflows of cooling water.
3. motor as claimed in claim 2 is characterized in that, following formation sealing gasket is installed and used recess around the above-mentioned supply mouth body, installs with recess and overflow at the sealing pad to have formed the connection ditch between the path.
4. motor as claimed in claim 1 is characterized in that, above-mentioned supply mouth body is constituted tubular, uses above-mentioned water vapour channel setting around the top of supply mouth body.
5. motor as claimed in claim 4 is characterized in that, the water vapour around the top of above-mentioned supply mouth body has formed the wall portion of extending shape down with the exit portion of path.
6. motor as claimed in claim 1, it is characterized in that, by have water vapour with path and water with the top body of path, prevent bubble directly enter from the below water of top body with the lower body of path, be configured in top body and lower body around to prevent that bubble enters the top body from the side water from having constituted above-mentioned supply mouth body with the ring bodies of path.
7. motor as claimed in claim 6 is characterized in that, has gripped above-mentioned ring bodies between above-mentioned top body and lower body.
8. motor as claimed in claim 6 is characterized in that, above-mentioned lower body is constituted the approximate circle plate-like, has formed the edge portion with the inclined-plane that tilts obliquely upward around this lower body.
9. motor as claimed in claim 6, it is characterized in that, on above-mentioned supply mouth body, be provided with by buoyancy aid and support the float that the barred body of this buoyancy aid is formed, on the body of above-mentioned top, but this barred body is supported on free lifting ground, and the lower side of this float arrangement in lower body.
10. motor as claimed in claim 9 is characterized in that, around the above-mentioned lower body as the block of the buoyancy aid of above-mentioned float.
11. motor as claimed in claim 6 is characterized in that, below above-mentioned lower body, has disposed the guide plate of guiding bubble.
12. motor as claimed in claim 11 is characterized in that, disposes above-mentioned guide plate up and down obliquely.
13. motor as claimed in claim 12 is characterized in that, forms the edge portion of extending setting from two skewed sides of above-mentioned guide plate downwards.
14., it is characterized in that the moulding integratedly of above-mentioned lower body and guide plate as any described motor in the claim 11 to 13.
15. as any described motor in the claim 11 to 14, it is characterized in that, on above-mentioned guide plate, form the block of the buoyancy aid of float.
CNB2005100846092A 2004-07-15 2005-07-15 Engine Expired - Fee Related CN100507227C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2004208971 2004-07-15
JP2004208971A JP4427405B2 (en) 2004-07-15 2004-07-15 engine
JP2004208973 2004-07-15
JP2004259998 2004-09-07

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CN 200520109597 Expired - Lifetime CN200952419Y (en) 2004-07-15 2005-07-15 Cooling water tank

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CN102140957A (en) * 2011-05-06 2011-08-03 奇瑞汽车股份有限公司 Expansion tank for automobile
JP7186148B2 (en) * 2019-08-09 2022-12-08 日立建機株式会社 Working machines and cooling water tanks used in working machines

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CN2124315U (en) * 1991-11-15 1992-12-09 黄苏军 Splash-proof anti-overflow evaporation water-adding funnel
CN2140431Y (en) * 1992-11-26 1993-08-18 云南金马柴油机总厂 Water feeding hopper for single cylinder i.c engine
CN2572015Y (en) * 2002-09-09 2003-09-10 吴树香 Water feeding funnel for diesel engine water tank

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CN200952419Y (en) 2007-09-26
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