CN103397930B - Fully opened type thermostat - Google Patents
Fully opened type thermostat Download PDFInfo
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- CN103397930B CN103397930B CN201310274297.6A CN201310274297A CN103397930B CN 103397930 B CN103397930 B CN 103397930B CN 201310274297 A CN201310274297 A CN 201310274297A CN 103397930 B CN103397930 B CN 103397930B
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Abstract
The invention discloses a kind of fully opened type thermostat.This fully opened type thermostat is used for hydrodynamic retarder cooling water water intaking structure, and it comprises: valve seat, and bottom has support; Center-pole, is vertically laid in valve seat, and its upper end is located in valve seat top, and to be spirally connected locking by adjusting nut; Connecting body, its top is fixed to center-pole lower end, and bottom stretches out the support of valve seat downwards; Main valve, is fixed on connecting body top, is also provided with main valve spring between its bottom surface and valve seat support; Bypass valve, activity is located in connecting body bottom, is provided with case of by-pass valve between its end face and connecting body bottom.This fully opened type thermostat is simple and reasonable, be arranged on diesel engine temperature saving device seat, by this fully opened type thermostat, motor short circle is blocked, thus make engine cooling water all walk major cycle and then cooling water by hydrodynamic retarder heat exchanger, retarder exchanger is cooled, thus ensures the functional reliability of hydrodynamic retarder.
Description
Technical field
The present invention relates to engine art, particularly a kind of fully opened type thermostat.
Background technique
In today of automotive industry high speed development, the Security of automobile is more and more concerned by people.A lot of automobile vendor is in order to increase the Security of automobile in driving process, and increase automobile retarder is a conventional measure.Hydrodynamic retarder because of its structure simple, cost is low, reliability high, becomes the standard configuration of palace car at present gradually.
When hydrodynamic retarder joined by motor, in hydrodynamic retarder work process, amount of heat can be produced.Engine cooling water is needed to cool timely and effectively to hydrodynamic retarder.Owing to requiring more and more higher to vehicle security, the power of hydrodynamic retarder also does larger and larger, engine cooling water demand is got more and more, originally reserved on the engine thermostat base tapped hole (being generally MPT3/8 specification) being used for fetching water, can not meet the cooling requirement of hydrodynamic retarder far away.
Summary of the invention
The present invention is to overcome defect in above-mentioned prior art, provides a kind of rational in infrastructure, can meet the fully opened type thermostat that hydrodynamic retarder cooling requires.
For achieving the above object, according to the invention provides a kind of fully opened type thermostat, for hydrodynamic retarder cooling water water intaking structure, comprising:
Valve seat, bottom has support;
Center-pole, is vertically laid in valve seat, and its upper end is located in valve seat top, and to be spirally connected locking by adjusting nut;
Connecting body, its top is fixed to center-pole lower end, and bottom stretches out the support of valve seat downwards;
Main valve, is fixed on connecting body top, is also provided with main valve spring between its bottom surface and valve seat support;
Bypass valve, activity is located in connecting body bottom, is provided with case of by-pass valve between its end face and connecting body bottom;
Center-pole, connecting body and bypass valve coordinate formation vertical adjustable lever, by screwing moving up and down of adjusting nut this vertical adjustable lever adjustable, move downward to regulate bypass valve the short circle backwater hole extending and block water pump.
In technique scheme, connecting body serves as the rigid connector of center-pole and bypass valve.
In technique scheme, bypass valve is located in connecting body bottom by connecting rod activity.
In technique scheme, between connecting rod and bypass valve bottom surface, be provided with bypass valve pad.
In technique scheme, fully opened type thermostat passes through Thermolator cover spiral-lock on water pump.
Compared with prior art, the present invention has following beneficial effect: this fully opened type thermostat is simple and reasonable, be arranged on diesel engine temperature saving device seat, by this fully opened type thermostat, motor short circle is blocked, thus make engine cooling water all walk major cycle and then cooling water by hydrodynamic retarder heat exchanger, retarder exchanger is cooled, thus ensures the functional reliability of hydrodynamic retarder.External thermostat is installed additional on whole piece water route in car load factory in addition, is controlled whole water route by external thermostat.This standard-sized sheet thermostat boundary dimension is consistent with common thermostat profile, need not change the structure of original thermostat base, can directly exchange, very convenient and practical.
Accompanying drawing explanation
Fig. 1 is the perspective view of fully opened type thermostat of the present invention;
Fig. 2 is the sectional structure schematic diagram of fully opened type thermostat of the present invention;
Fig. 3 is the assembly structure schematic diagram of fully opened type thermostat of the present invention;
Fig. 4 is the using state schematic diagram of fully opened type thermostat of the present invention;
Accompanying drawing illustrates:
1-valve seat, 2-center-pole, 3-adjusting nut, 4-connecting body, 41-support, 5-main valve, 51-main valve spring, 6-bypass valve, 61-case of by-pass valve, 62-bypass valve pad, 7-fully opened type thermostat, 71-Thermolator cover, 8-water pump, 81-short circle backwater hole.
Embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.It will be appreciated that, mentioned in following mode of execution of the present invention " on ", D score, "left", "right", " front " and " reverse side " all with the direction shown in each figure for benchmark, these words being used for limiting direction are only used to be convenient to illustrate, do not represent the restriction to the concrete technological scheme of the present invention.
Fully opened type thermostat of the present invention is simple and reasonable, be arranged on diesel engine temperature saving device seat, by this fully opened type thermostat, motor short circle is blocked, thus make engine cooling water all walk major cycle and then cooling water by hydrodynamic retarder heat exchanger, retarder exchanger is cooled, thus ensures the functional reliability of hydrodynamic retarder.External thermostat is installed additional on whole piece water route in car load factory in addition, is controlled whole water route by external thermostat.This standard-sized sheet thermostat boundary dimension is consistent with common thermostat profile, need not change the structure of original thermostat base, can directly exchange, very convenient and practical.
Be described through citing but unrestriced mode describes the disclosure in detail below, should be understood that various aspect of the present disclosure can by independent realization or the realization be combined with other aspects.This specification clearly enables those skilled in the art to manufacture and uses us to believe for new and non-obvious improvement, describe the application of some embodiments, alternative, modification, alternative and system, comprise the current best mode being considered to perform the inventive principle described in this specification.When describing element or feature and/or embodiment, be intended to represent that to have in element or feature one or more titled with " one " " one " " being somebody's turn to do " and " described ".Term " comprises " " comprising " and " having " is intended to be comprising property, and represents also have extra element or feature beyond those specifically described elements or feature.
As depicted in figs. 1 and 2, the concrete structure of this fully opened type thermostat comprises: valve seat 1, center-pole 2, adjusting nut 3, connecting body 4, main valve 5 and bypass valve 6, center-pole 2 is vertically laid in valve seat 1, its upper end is located in valve seat 1 top, and to be spirally connected locking by adjusting nut 3, adjusting nut 3 and center-pole 2.Center-pole 2 lower end is fixed to connecting body 4 top, the bottom bracket 41 of valve seat 1 is stretched out in the bottom of connecting body 4, connecting body 4 is relative to the temperature sensor of existing thermostat, but they are different from existing thermostat temperature sensor structure, its inside does not arrange temperature sensing medium (paraffin), just serves as the rigid connector of center-pole 2 and bypass valve 6.
Main valve 5 is fixed on connecting body 4 top, is also provided with main valve spring 51 between its bottom surface and valve seat 1 bottom bracket.Main valve 5 is for controlling the opening and closing of passage between motor and radiator.
Bypass valve 6 is located in connecting body 4 bottom by connecting rod activity, bypass valve pad 62 is provided with between connecting rod and bypass valve 6 bottom surface, case of by-pass valve 61 is provided with between bypass valve 6 end face and connecting body 4 bottom, case of by-pass valve 61 is in impaction state, is pushed downwards by bypass valve 6 to greatest extent.Like this, center-pole 2, connecting body 4 and bypass valve 6 form a vertical adjustable lever, adjusting nut 3 is screwed onto center-pole 2 upper end, by screwing adjusting nut 3 i.e. the moving up and down of this whole vertical adjustable lever adjustable, namely bypass valve 6 can be regulated to move downward elongation, thus make this fully opened type thermostat reach different strokes, to make the bypass valve 6 short circle backwater hole being pressed in water pump tightly, block short circle completely.
Traditional thermostat working procedure is: when water temperature is lower than 349K(76 DEG C) time, exquisite paraffin in thermostat temperature sensor is solid-state, main valve is closed under the action of the spring completely, make the pathway closure between motor and radiator, and bypass valve is opened completely, directly enter water pump by cylinder head water out through bypass tube, therefore be called short circle.Because water just flows between water pump and water jacket, without radiator, and flow is little, so intensity of cooling is weak.
When engine water temperature reaches 349K(76 DEG C) more than time, the liquefy gradually of the paraffin in thermostat temperature sensor, volume increases thereupon, forces rubber pipe to shrink, thus produces thrust upwards to center-pole lower tapered surface.Because the upper end of bar is fixed, therefore center-pole produces downward reaction thrust to rubber pipe and inductor, and overcome spring tension and main valve is opened gradually, bypass valve aperture reduces gradually, and a part of water carries out major cycle cooling heat dissipation through radiator.
When engine water temperature is elevated to 359K(86 DEG C), main valve is opened completely, and bypass valve cuts out completely, and cooling water all flows through radiator, is called major cycle.Because now flow of cooling water circuit is long, flow is large, and intensity of cooling is strong.
As shown in Figure 3, fully opened type thermostat of the present invention is installed very simple, installation method and conventional thermostat as broad as long, fully opened type thermostat 7 is first placed on water pump 8 by the first step (fully opened type thermostat 7 for be arranged side by side two), bypass valve 6 first can encounter the short circle backwater hole 81 on water pump, now need to buckle Thermolator cover 71, be arranged on fastening fully opened type thermostat 7 on water pump 8 by Thermolator cover 71.As shown in Figure 4 (arrow represents water (flow) direction), after Thermolator cover 71 fastening, fully opened type thermostat 7, due to the active force of main valve spring 51 itself and case of by-pass valve 61, makes bypass valve 6 being pressed on the short circle backwater hole 81 of water pump tightly, short circle is blocked completely.All current all can only pass through thermostat, then flowed out by Thermolator cover 71, thus make engine cooling water all walk major cycle, and then make cooling water by hydrodynamic retarder heat exchanger, retarder exchanger is cooled, thus ensures the functional reliability of hydrodynamic retarder.External thermostat is installed additional on whole piece water route in car load factory in addition, is controlled whole water route by external thermostat.
To sum up, this fully opened type thermostat is simple and reasonable, be arranged on diesel engine temperature saving device seat, by this fully opened type thermostat, motor short circle is blocked, thus make engine cooling water all walk major cycle and then cooling water by hydrodynamic retarder heat exchanger, retarder exchanger is cooled, thus ensures the functional reliability of hydrodynamic retarder.External thermostat is installed additional on whole piece water route in car load factory in addition, is controlled whole water route by external thermostat.This standard-sized sheet thermostat boundary dimension is consistent with common thermostat profile, need not change the structure of original thermostat base, can directly exchange, very convenient and practical.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (5)
1. a fully opened type thermostat, for hydrodynamic retarder cooling water water intaking structure, is characterized in that, comprising:
Valve seat, bottom has support;
Center-pole, is vertically laid in valve seat, and its upper end is located in valve seat top, and to be spirally connected locking by adjusting nut;
Connecting body, its top is fixed to center-pole lower end, and bottom stretches out the support of valve seat downwards;
Main valve, is fixed on connecting body top, is also provided with main valve spring between its bottom surface and valve seat support;
Bypass valve, activity is located in connecting body bottom, is provided with case of by-pass valve between its end face and connecting body bottom;
Described center-pole, connecting body and bypass valve coordinate formation vertical adjustable lever, by screwing moving up and down of adjusting nut this vertical adjustable lever adjustable, move downward to regulate bypass valve the short circle backwater hole extending and block water pump.
2. fully opened type thermostat according to claim 1, is characterized in that: described connecting body serves as the rigid connector of center-pole and bypass valve.
3. fully opened type thermostat according to claim 1, is characterized in that: described bypass valve is located in connecting body bottom by connecting rod activity.
4. fully opened type thermostat according to claim 3, is characterized in that: be provided with bypass valve pad between described connecting rod and bypass valve bottom surface.
5. fully opened type thermostat according to any one of claim 1 to 4, is characterized in that: described fully opened type thermostat passes through Thermolator cover spiral-lock on water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310274297.6A CN103397930B (en) | 2013-07-02 | 2013-07-02 | Fully opened type thermostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310274297.6A CN103397930B (en) | 2013-07-02 | 2013-07-02 | Fully opened type thermostat |
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| Publication Number | Publication Date |
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| CN103397930A CN103397930A (en) | 2013-11-20 |
| CN103397930B true CN103397930B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310274297.6A Active CN103397930B (en) | 2013-07-02 | 2013-07-02 | Fully opened type thermostat |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298615A (en) * | 2015-11-29 | 2016-02-03 | 重庆元创汽车整线集成有限公司 | Folding type double-valve thermostat |
| CN106285907A (en) * | 2016-10-19 | 2017-01-04 | 潍柴动力股份有限公司 | The control method of a kind of engine temperature, Apparatus and system |
| CN107796627A (en) * | 2017-11-02 | 2018-03-13 | 广西玉柴机器股份有限公司 | Keep the frock and method of waxtype thermostat standard-sized sheet |
| CN111535917A (en) * | 2020-05-09 | 2020-08-14 | 安徽春辉仪表线缆集团有限公司 | Thermometer type thermostat |
Citations (7)
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| US6371060B1 (en) * | 1999-07-10 | 2002-04-16 | Daimlerchrysler Ag | Control device for the cooling and heating circuit of an internal combustion engine |
| US6539899B1 (en) * | 2002-02-11 | 2003-04-01 | Visteon Global Technologies, Inc. | Rotary valve for single-point coolant diversion in engine cooling system |
| CN201560836U (en) * | 2009-11-12 | 2010-08-25 | 潍柴动力股份有限公司 | Composite water outlet pipe of diesel engine |
| CN202300620U (en) * | 2011-10-25 | 2012-07-04 | 东风康明斯发动机有限公司 | External thermostat room structure matched with hydraulic retarder |
| CN202578887U (en) * | 2012-05-22 | 2012-12-05 | 温州天和汽车部件有限公司 | Automobile thermostat |
| CN202718744U (en) * | 2012-06-13 | 2013-02-06 | 浙江荣众机械有限公司 | Engine thermostat |
| CN203335217U (en) * | 2013-07-02 | 2013-12-11 | 广西玉柴机器股份有限公司 | Fully-open thermostat |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201627631U (en) * | 2009-12-31 | 2010-11-10 | 浙江吉利汽车研究院有限公司 | Engine cooling system |
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2013
- 2013-07-02 CN CN201310274297.6A patent/CN103397930B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6371060B1 (en) * | 1999-07-10 | 2002-04-16 | Daimlerchrysler Ag | Control device for the cooling and heating circuit of an internal combustion engine |
| US6539899B1 (en) * | 2002-02-11 | 2003-04-01 | Visteon Global Technologies, Inc. | Rotary valve for single-point coolant diversion in engine cooling system |
| CN201560836U (en) * | 2009-11-12 | 2010-08-25 | 潍柴动力股份有限公司 | Composite water outlet pipe of diesel engine |
| CN202300620U (en) * | 2011-10-25 | 2012-07-04 | 东风康明斯发动机有限公司 | External thermostat room structure matched with hydraulic retarder |
| CN202578887U (en) * | 2012-05-22 | 2012-12-05 | 温州天和汽车部件有限公司 | Automobile thermostat |
| CN202718744U (en) * | 2012-06-13 | 2013-02-06 | 浙江荣众机械有限公司 | Engine thermostat |
| CN203335217U (en) * | 2013-07-02 | 2013-12-11 | 广西玉柴机器股份有限公司 | Fully-open thermostat |
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| CN103397930A (en) | 2013-11-20 |
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