CN102297010A - Expansion tank - Google Patents
Expansion tank Download PDFInfo
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- CN102297010A CN102297010A CN 201110205568 CN201110205568A CN102297010A CN 102297010 A CN102297010 A CN 102297010A CN 201110205568 CN201110205568 CN 201110205568 CN 201110205568 A CN201110205568 A CN 201110205568A CN 102297010 A CN102297010 A CN 102297010A
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- water
- radiator
- dividing plate
- water tank
- casing
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Abstract
The invention discloses an expansion tank. A partition is slidably arranged in a tank body, motive seal is adopted between the partition and the sidewall of the tank body, a water-containing cavity which communicates with a radiator is formed between the partition and the top plate of the tank body, and a pressure balancing device which is used for supporting the partition is arranged between the partition and the bottom plate of the tank body. When the quantity of the stored water in the water-containing cavity is reduced, the weight of the water body in the water-containing cavity is decreased, the water supply pressure of the expansion tank for the radiator is correspondingly decreased as well, as a result, the force balance between the pressure balancing device and the weight of the water body in the water-containing cavity is broken, the partition is driven by the pressure balancing device to move upward until the supporting force provided by the pressure balancing device is equal to the weight of the water body in the water-containing cavity again and the state of force balance is restored, so that the height difference between the water level in the water-containing cavity and the radiator can be maintained in order to ensure that the water supply pressure of the expansion tank for the radiator can be kept constant, and thereby the normal operation of the radiator and related parts can be guaranteed.
Description
Technical field
The present invention relates to the mine vehicle technical field, particularly a kind of swelling water tank.
Background technique
Generally, the engine radiator of mine vehicle part can be provided with swelling water tank, to satisfy the cooling requirement of radiator part in the working procedure.And along with the improving constantly of production intensity, people also have higher requirement for the usability of swelling water tank.
Please refer to Fig. 1, Fig. 1 is a kind of typical swelling water tank and a radiator structural representation partly in the prior art.
Present existing swelling water tank part usually is arranged at swelling water tank 12 top of radiator 11, and the swelling water tank 12 after assembling is finished is connected with radiator 11.In the working procedure, when the water consumption in the radiator 11, be stored in water in the swelling water tank 12 under the influence of self suffered gravity, flow automatically and be supplemented to below radiator 11 in, to guarantee the proper functioning of radiator 12.
Yet, in the actual using process of existing swelling water tank, owing to can cause the water yield in the swelling water tank 12 to reduce after the water in the swelling water tank 12 enters in the radiator 11, the total force of water body reduces, drawdown, cause the hydraulic pressure in the moisturizing process to reduce, influence the normal water supply of 12 pairs of radiators 11 of swelling water tank.
Therefore, how to provide a kind of swelling water tank, making it have stable pressure of supply water is the important technological problems that those skilled in the art need solve at present.
Summary of the invention
The purpose of this invention is to provide a kind of swelling water tank, this swelling water tank has stable pressure of supply water.
For solving the problems of the technologies described above, the invention provides a kind of swelling water tank, comprise the casing that matches with radiator, described box house has been mounted slidably dividing plate, and described dividing plate along continuous straight runs extends, and motive sealing between the sidewall of described dividing plate and described casing;
Form the water containing chamber that is connected with radiator between the top board of described dividing plate and described casing, be provided with between the base plate of described dividing plate and described casing in order to support the pressure equaliser of described dividing plate.
Preferably, described casing is arranged at a side of radiator, and the horizontal plane at the base plate place of described casing is lower than the horizontal plane at radiator upper surface place.
Preferably, described pressure equaliser is specially pressure spring, and the two ends of described pressure spring are connected with the base plate of described dividing plate and described casing respectively.
Preferably, be provided with damping device between the base plate of described dividing plate and described casing.
Preferably, described damping device is specially damper.
Preferably, be provided with Sealing between the sidewall of described dividing plate and described casing.
Preferably, described Sealing is specially seal ring.
Relative above-mentioned background technology, swelling water tank provided by the present invention comprises the casing that matches with radiator, and described box house has been mounted slidably dividing plate, and described dividing plate along continuous straight runs extends, and motive sealing between the sidewall of described dividing plate and described casing; Form the water containing chamber that is connected with radiator between the top board of described dividing plate and described casing, be provided with between the base plate of described dividing plate and described casing in order to support the pressure equaliser of described dividing plate.In the working procedure, be that radiator supplies water by described water containing chamber, under the static condition, the gravity of the water body in support force that described pressure equaliser provides and the described water containing chamber interacts to reach equilibrium of forces; When the moisture storage capacity in the described water containing chamber reduces, the gravity of the water body in the described water containing chamber descends, described swelling water tank is to the also corresponding reduction of the pressure of supply water of radiator, equilibrium of forces in described pressure equaliser and the described water containing chamber between the gravity of water body is broken, at this moment, described pressure equaliser drives described dividing plate and moves up along the sidewall of described casing, gravity until support force that described pressure equaliser provided and the water body in the described water containing chamber maintains an equal level once again, and reach the equilibrium of forces state again, interior water level of described water containing chamber and the height difference between the radiator have been kept, with guarantee described swelling water tank the pressure of supply water of radiator is kept constant, thereby guaranteed the proper functioning of radiator and associated components thereof.
In another preferred version of the present invention, described casing is arranged at a side of radiator, and the horizontal plane at the base plate place of described casing is lower than the horizontal plane at radiator upper surface place.Because mine vehicle has strict restriction to the height of its car body, the too high normal use that can influence mine vehicle of car body.Adopt this kind described casing to be arranged at a side of radiator, and the horizontal plane that makes the base plate place of described casing is lower than the assembly structure of the horizontal plane at radiator upper surface place, can significantly reduce the integrally-built height after assembling is finished, and improve radiator and described swelling water tank vehicle body space utilization ratio partly, make the height of the carbody of described mine vehicle be able to corresponding reduction simultaneously.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of typical swelling water tank and a radiator structural representation partly in the prior art;
The assembly structure schematic representation of the swelling water tank that Fig. 2 is provided for a kind of embodiment of the present invention.
Embodiment
Core of the present invention provides a kind of swelling water tank, and this swelling water tank has stable pressure of supply water.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2, the assembly structure schematic representation of the swelling water tank that Fig. 2 is provided for a kind of embodiment of the present invention.
In embodiment, swelling water tank provided by the present invention comprises the casing 22 that matches with radiator 21, and the inside of casing 22 has been mounted slidably dividing plate 223, and dividing plate 223 along continuous straight runs extend, and motive sealing between the sidewall of dividing plate 223 and casing 22; Form the water containing chamber 224 that is connected with radiator 21 between the top board 221 of dividing plate 223 and casing, be provided with pressure equaliser 225 between the base plate 222 of dividing plate 223 and casing in order to supporting clapboard 223.In the working procedure, be that radiator 21 supplies water by water containing chamber 224, under the static condition, the gravity of the water body in support force that pressure equaliser 225 provides and the water containing chamber 224 interacts to reach equilibrium of forces; When the moisture storage capacity in the water containing chamber 224 reduces, the gravity of the water body in the water containing chamber 224 descends, described swelling water tank is to the also corresponding reduction of the pressure of supply water of radiator 21, equilibrium of forces in pressure equaliser 225 and the water containing chamber 224 between the gravity of water body is broken, at this moment, pressure equaliser 225 driving dividing plates 223 move up along the sidewall of casing 22, the support force that is provided until pressure equaliser 225 and the gravity of the water body in the water containing chamber 224 maintain an equal level once again, and reach the equilibrium of forces state again, water level in the water containing chamber 224 and height difference between the radiator have been kept, with guarantee described swelling water tank the pressure of supply water of radiator is kept constant, thereby guaranteed the proper functioning of radiator and associated components thereof.
More specifically, casing 22 is arranged at a side of radiator 21, and the horizontal plane at base plate 222 places of casing is lower than the horizontal plane at radiator 21 upper surface places.Because mine vehicle has strict restriction to the height of its car body, the too high normal use that can influence mine vehicle of car body.Adopt this kind casing 22 to be arranged at a side of radiator 21, and the horizontal plane that makes base plate 222 places of casing is lower than the assembly structure of the horizontal plane at radiator 21 upper surface places, can significantly reduce the integrally-built height after assembling is finished, and improve described radiator and described swelling water tank vehicle body space utilization ratio partly, make the height of the carbody of described mine vehicle be able to corresponding reduction simultaneously.
Further, pressure equaliser 225 is specially pressure spring, and the two ends of described pressure spring are connected with the base plate 222 of dividing plate 223 and casing respectively.In the using process, along with the moisture storage capacitys in the water containing chamber 224 reduce gradually, this pressure spring stretches gradually, to keep water level in the water containing chamber 224 and the height difference between the radiator, keeps constant to guarantee described swelling water tank to the pressure of supply water of radiator.Compare the pressure equaliser of other types, the structure of this kind pressure spring is simpler, and adjustment process is more simple and effective.Simultaneously, the making of this pressure spring and buying are all comparatively convenient, thereby make the manufacture cost of described swelling water tank be able to corresponding reduction.
Certainly, above-mentioned pressure equaliser is specially pressure spring and only is preferred version, this pressure equaliser is not limited to the described pressure spring of the foregoing description, can also adopt mechanisms such as oil hydraulic cylinder, pneumatic cylinder, air bag, automatically controlled or magnetic control to replace above-mentioned pressure spring, to realize the fundamental function of pressure equaliser 225, promptly so long as can satisfy the actual use needs of described swelling water tank and all can.
For ease of understanding, being example with above-mentioned pressure spring below is illustrated the working principle of above-mentioned pressure regulator.
Δf＝k×ΔL ……1)
ΔG＝g×Δm ……2)
Δf＝ΔG ……3)
Δm＝ρ×S×ΔL ……4)
By 1) 2) 3) 4) Shi Kede:
k＝ρ×S×g
Wherein, the force variation amount of Δ f-pressure spring
The elasticity coefficient of k-pressure spring
The length change amount of Δ L-pressure spring
The Gravity changer amount of Δ G-water
G-gravity accleration
The mass change amount of Δ m-water
The density of ρ-water
The cross-section area of S-casing
At the beginning of the work, the inside fills with water of water containing chamber 224, pressure spring shrinks, and the interior depth of water of water containing chamber this moment is L, and the height difference in the water containing chamber between water body liquid level and radiator is L ', and the gravity G of the water body in the water containing chamber equates with the elastic force F of pressure spring at this moment;
After the water content consumption part in the water containing chamber, the gravity G of water body is decreased to G ', and by force balance principle as can be known, pressure spring is with dividing plate 223 jack-up upwards, and the climb of establishing dividing plate is Δ L, and this moment, the elastic force F ' of pressure spring was:
F’＝F-k×ΔL＝F-g×ρ×S×ΔL＝G-g×ρ×S×ΔL＝G’
That is, the gravity of the water body in the elastic force of pressure spring and the water containing chamber 224 still maintains an equal level, thereby makes that the liquid level and the height difference between radiator of the water body in the water containing chamber 224 are constant, to guarantee described swelling water tank the pressure of supply water of radiator is remained unchanged.
Should be pointed out that its working principle was identical with the principle cardinal principle of above-mentioned pressure spring, does not do at this and gives unnecessary details when mechanisms such as adopting aforementioned hydraulic cylinder, pneumatic cylinder, air bag, automatically controlled or magnetic control replaced above-mentioned pressure spring as the concrete mechanism of pressure equaliser 225.
On the other hand, be provided with damping device 226 between the base plate 222 of dividing plate 223 and casing.Under the working state, this damping device 226 can be avoided the influence that when the running process of described mine vehicle comparatively jolts pressure equaliser caused, thereby makes that the overall structure of described swelling water tank is more stable, and working procedure is more steadily reliable.
More specifically, damping device 226 is specially damper.This kind damper stable higher, and damping effect is more effective, thus make the structure stability of described swelling water tank be able to corresponding raising.
Should be clear and definite, above-mentioned damping device 226 is specially damper and only is preferred version, and this damping device 226 is not limited to the damper shown in the figure, all can so long as can satisfy the actual use needs of described swelling water tank.
In addition, be provided with Sealing 227 between the sidewall of dividing plate 223 and casing 22.Sealing part 227 can further guarantee to keep motive sealing between the sidewall of dividing plate 223 and casing 22, so that described water containing chamber is to the water supply of radiator 21 continous-stable more.
In addition, Sealing 227 is specially seal ring.The apparent availability of this kind seal ring is bigger, and buying is convenient, adopts this kind seal ring can further reduce the manufacture cost of described swelling water tank as Sealing 227.
Should be clear and definite, above-mentioned Sealing 227 is specially seal ring and only is preferred version, and sealing part 227 is not limited to the seal ring shown in the figure, all can so long as can satisfy the actual use needs of described swelling water tank.
In summary, the swelling water tank that provides among the present invention comprises the casing that matches with radiator, and described box house has been mounted slidably dividing plate, and described dividing plate along continuous straight runs extends, and motive sealing between the sidewall of described dividing plate and described casing; Form the water containing chamber that is connected with radiator between the top board of described dividing plate and described casing, be provided with between the base plate of described dividing plate and described casing in order to support the pressure equaliser of described dividing plate.In the working procedure, be that radiator supplies water by described water containing chamber, under the static condition, the gravity of the water body in support force that described pressure equaliser provides and the described water containing chamber interacts to reach equilibrium of forces; When the moisture storage capacity in the described water containing chamber reduces, the gravity of the water body in the described water containing chamber descends, described swelling water tank is to the also corresponding reduction of the pressure of supply water of radiator, equilibrium of forces in described pressure equaliser and the described water containing chamber between the gravity of water body is broken, at this moment, described pressure equaliser drives described dividing plate and moves up along the sidewall of described casing, gravity until support force that described pressure equaliser provided and the water body in the described water containing chamber maintains an equal level once again, and reach the equilibrium of forces state again, interior water level of described water containing chamber and the height difference between the radiator have been kept, with guarantee described swelling water tank the pressure of supply water of radiator is kept constant, thereby guaranteed the proper functioning of radiator and associated components thereof.
More than swelling water tank provided by the present invention is described in detail.Used specific case herein principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (7)
1. swelling water tank, comprise the casing (22) that matches with radiator (21), it is characterized in that: described casing (22) inside has been mounted slidably dividing plate (223), described dividing plate (223) along continuous straight runs extends, and motive sealing between the sidewall of described dividing plate (223) and described casing (22);
Form the water containing chamber (224) that is connected with radiator (21) between the top board (221) of described dividing plate (223) and described casing, be provided with pressure equaliser (225) between the base plate (222) of described dividing plate (223) and described casing in order to support described dividing plate (223).
2. swelling water tank as claimed in claim 1 is characterized in that: described pressure equaliser (225) is specially pressure spring, and the two ends of described pressure spring are connected with the base plate (222) of described dividing plate (223) and described casing respectively.
3. swelling water tank as claimed in claim 2 is characterized in that: described casing (22) is arranged at a side of radiator (21), and the horizontal plane at the base plate of described casing (222) place is lower than the horizontal plane at radiator (21) upper surface place.
4. swelling water tank as claimed in claim 3 is characterized in that: be provided with damping device (226) between the base plate (222) of described dividing plate (223) and described casing.
5. swelling water tank as claimed in claim 4 is characterized in that: described damping device (226) is specially damper.
6. as each described swelling water tank in the claim 1 to 5, it is characterized in that: be provided with Sealing (227) between the sidewall of described dividing plate (223) and described casing (22).
7. swelling water tank as claimed in claim 6 is characterized in that: described Sealing (227) is specially seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110205568 CN102297010A (en) | 2011-07-21 | 2011-07-21 | Expansion tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110205568 CN102297010A (en) | 2011-07-21 | 2011-07-21 | Expansion tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102297010A true CN102297010A (en) | 2011-12-28 |
Family
ID=45357657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110205568 Pending CN102297010A (en) | 2011-07-21 | 2011-07-21 | Expansion tank |
Country Status (1)
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| CN (1) | CN102297010A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852622A (en) * | 2012-10-13 | 2013-01-02 | 庄景阳 | Pressure reducing device for water cooling |
| CN103619151A (en) * | 2013-11-13 | 2014-03-05 | 中国航空工业集团公司西安飞机设计研究所 | Bellows type pressurization expansion device of airplane liquid cooling system |
| CN105569806A (en) * | 2014-10-30 | 2016-05-11 | 丹阳市飞越车辆附件有限公司 | Convenient car radiator |
| CN105972827A (en) * | 2016-06-23 | 2016-09-28 | 珠海格力电器股份有限公司 | Water tank inner container, water tank and water heater |
| CN106812593A (en) * | 2016-12-29 | 2017-06-09 | 比亚迪股份有限公司 | Expansion tank |
| CN106812592A (en) * | 2016-12-29 | 2017-06-09 | 比亚迪股份有限公司 | Expansion tank |
| CN109253574A (en) * | 2018-07-23 | 2019-01-22 | 泰兴航空光电技术有限公司 | A kind of water tank that mechanically expands with heat and contract with cold |
| CN109505079A (en) * | 2018-12-28 | 2019-03-22 | 王认认 | A kind of quetsch for warp thread |
| CN109538573A (en) * | 2018-12-27 | 2019-03-29 | 山东南海气囊工程有限公司 | The cylinder device with heat sinking function based on aqueous medium |
| CN109629147A (en) * | 2018-12-28 | 2019-04-16 | 王认认 | A kind of textile fabric sizing compartment of automatic adjustment |
| CN112005850A (en) * | 2020-08-31 | 2020-12-01 | 胡昆江 | Automatic flowers of moisturizing are cultivated and are used drip irrigation device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02161274A (en) * | 1989-11-17 | 1990-06-21 | Fuji Electric Co Ltd | Expansion tank for cooling water circulating apparatus |
| JPH0658148A (en) * | 1992-08-05 | 1994-03-01 | Shinko Electric Co Ltd | Cooling device for internal combustion engine |
| CN201155358Y (en) * | 2008-01-25 | 2008-11-26 | 中通客车控股股份有限公司 | Engine cooling apparatus |
| CN201403043Y (en) * | 2009-04-27 | 2010-02-10 | 焦作万方铝业股份有限公司 | Expansion water tank used by circulating water system |
-
2011
- 2011-07-21 CN CN 201110205568 patent/CN102297010A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02161274A (en) * | 1989-11-17 | 1990-06-21 | Fuji Electric Co Ltd | Expansion tank for cooling water circulating apparatus |
| JPH0658148A (en) * | 1992-08-05 | 1994-03-01 | Shinko Electric Co Ltd | Cooling device for internal combustion engine |
| CN201155358Y (en) * | 2008-01-25 | 2008-11-26 | 中通客车控股股份有限公司 | Engine cooling apparatus |
| CN201403043Y (en) * | 2009-04-27 | 2010-02-10 | 焦作万方铝业股份有限公司 | Expansion water tank used by circulating water system |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852622A (en) * | 2012-10-13 | 2013-01-02 | 庄景阳 | Pressure reducing device for water cooling |
| CN103619151A (en) * | 2013-11-13 | 2014-03-05 | 中国航空工业集团公司西安飞机设计研究所 | Bellows type pressurization expansion device of airplane liquid cooling system |
| CN103619151B (en) * | 2013-11-13 | 2015-12-09 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft liquid cooling system bellows-type pressuring expansion device |
| CN105569806A (en) * | 2014-10-30 | 2016-05-11 | 丹阳市飞越车辆附件有限公司 | Convenient car radiator |
| CN105569806B (en) * | 2014-10-30 | 2018-05-18 | 丹阳市飞越车辆附件有限公司 | A kind of easily car radiator |
| CN105972827A (en) * | 2016-06-23 | 2016-09-28 | 珠海格力电器股份有限公司 | Water tank inner container, water tank and water heater |
| CN106812592A (en) * | 2016-12-29 | 2017-06-09 | 比亚迪股份有限公司 | Expansion tank |
| CN106812593B (en) * | 2016-12-29 | 2017-12-12 | 比亚迪股份有限公司 | Expansion tank |
| CN106812593A (en) * | 2016-12-29 | 2017-06-09 | 比亚迪股份有限公司 | Expansion tank |
| CN109253574A (en) * | 2018-07-23 | 2019-01-22 | 泰兴航空光电技术有限公司 | A kind of water tank that mechanically expands with heat and contract with cold |
| CN109538573A (en) * | 2018-12-27 | 2019-03-29 | 山东南海气囊工程有限公司 | The cylinder device with heat sinking function based on aqueous medium |
| CN109538573B (en) * | 2018-12-27 | 2023-08-22 | 山东南海气囊工程有限公司 | Hydraulic cylinder system with heat dissipation function based on aqueous medium |
| CN109505079A (en) * | 2018-12-28 | 2019-03-22 | 王认认 | A kind of quetsch for warp thread |
| CN109629147A (en) * | 2018-12-28 | 2019-04-16 | 王认认 | A kind of textile fabric sizing compartment of automatic adjustment |
| CN112005850A (en) * | 2020-08-31 | 2020-12-01 | 胡昆江 | Automatic flowers of moisturizing are cultivated and are used drip irrigation device |
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Application publication date: 20111228 |