CN202417685U - Novel thermostat assembly of diesel engine - Google Patents
Novel thermostat assembly of diesel engine Download PDFInfo
- Publication number
- CN202417685U CN202417685U CN2011205506774U CN201120550677U CN202417685U CN 202417685 U CN202417685 U CN 202417685U CN 2011205506774 U CN2011205506774 U CN 2011205506774U CN 201120550677 U CN201120550677 U CN 201120550677U CN 202417685 U CN202417685 U CN 202417685U
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- China
- Prior art keywords
- thermostat
- shell
- passage
- direct joint
- major cycle
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Abstract
The utility model discloses a novel thermostat assembly of a diesel engine, which comprises a thermostat body and a shell covering the thermostat body; the shell is provided with an engine effluent port, the thermostat forms a short circulating channel and a long circulating channel in the shell, and the long circulating channel can be opened and closed. The shell is arranged on the existing thermostat, a cooling water channel and a port of the cooling water channel are integrated on a shell body, and the channels are reasonably configured, so that the connecting structures form a whole part; the novel thermostat assembly occupies a small space in the engine, is convenient to install, can obviously reduce installation steps, can improve work efficiency and can effectively reduce producing and manufacturing costs of a whole diesel engine in the end; at the same time, the overall appearance of the assembly mounted with the assembly parts is neat, and the appearance of the engine is attractive; and the novel thermostat assembly provided by the utility model can be widely applied to the diesel engines and can be particularly applicable to a minitype diesel engine with a compact structure.
Description
Technical field
The utility model relates to a kind of DENG parts, particularly a kind of thermostat assembly that is used for DENG.
Background technique
Thermostat is the valve of control coolant flow paths, is a kind of automatic temperature regulator, contains the temperature module usually, is borrowing expansion or shrinkage to come the open and close passage, the whether superior cooling effect that directly has influence on motor of thermostat performance.When engine cooling water temperature below setting temperature, then cooling water can cool off motor through the short circle pipeline; When water temperature reaches setting temperature when above, then thermostatic valve is opened, along with the rising gradually of temperature; The valve opening lift strengthens; Water flow also increases simultaneously, is communicated with the cooling water in the water tank through the major cycle pipeline motor is cooled off, and protects the normal operation of motor effectively.Because thermostat working environment factor, the rust corrosion phenomenon can not appear in its part, and the turbidity test of cooling water are had higher requirement; Cooling water and associated components can not contain greasy dirt; Installation process requires comparatively strict, and the pipeline connecting head all requires to smear sealer and connects, and can not get loose leakage phenomenon or the like.
In the practical set process, each circulation loop of motor and thermostat, cooling-water temperature sensor, warm warm return pipe etc. will be installed respectively.In order to guarantee above-mentioned requirements, then need in cleaning ambient, install.Because said structure is comparatively loaded down with trivial details, it is longer then to make time of assembling walk, and can influence manufacturing efficiency, and to cleaning ambient require the cycle long, the place is big.
Therefore, need improve assembly of thermostat, it is little on motor, to take up room, and convenient the installation can obviously be practiced thrift the installation beat, increases work efficiency, and finally reaches the purpose of effective reduction complete machine manufacturing cost; Simultaneously, it is regular that the assembly part is installed the back overall appearance, the motor beautiful shape.
The model utility content
In view of this; The utility model provides a kind of DENG novel assembly of thermostat, and each water outlet interface of motor and temperature transducer integral body are integrated, and it is little on motor, to take up room; The convenient installation; Can obviously practice thrift the installation beat, increase work efficiency, finally reach the purpose of effective reduction complete machine manufacturing cost; Simultaneously, it is regular that the assembly part is installed the back overall appearance, the motor beautiful shape; Can be widely used in DENG, be particularly useful for the miniature diesel engine of compact structure.
The novel assembly of thermostat of the DENG of the utility model; Comprise the thermostat body and cover in the shell of thermostat body exterior outward, said shell is provided with in motor water outlet interface and the shell and forms short circle passage and able to turn on or off major cycle passage by thermostat at least.
Further, also be provided with exhaust gas recirculation cooling water passage and the exhaust passage that is connected expansion tank in the said shell, said short circle passage connects the oil filtration cooler, and the major cycle passage connects engine radiator;
Further; Said exhaust gas recirculation cooling water passage is positioned at shell and is provided with the direct joint of exhaust gas recirculation cooling water that is used to connect cooler for recycled exhaust gas; Said short circle passage is positioned at shell and is provided with the direct joint of the short circle that is used for the junctor oil rectifier, and the said exhaust passage that is used to connect expansion tank is positioned at shell and is provided with the direct joint of exhaust; Said major cycle passage is positioned at shell and is provided with the direct joint of major cycle;
Further, said shell also is provided with cooling-water temperature sensor mounting interface and cooling-water temperature sensor;
Further; Be connected through flange seal between the direct joint of said major cycle and the housing; The direct joint of said major cycle inside is provided with the fixed base that is used for fixing thermostat body valve body; Said fixed base is used for thermostat body valve rod is formed support, forms sealing between said thermostat body periphery and the shell inner surface;
Further, the sensor holder of the direct joint of said short circle, the direct joint of exhaust, the direct joint of exhaust gas recirculation cooling water and cooling-water temperature sensor is sealedly attached to housing through the Placement that screw thread, flange perhaps are pressed into;
Further, said motor water outlet interface is provided with and is used for and motor water outlet flange connecting, and said flange seal end face is provided with annular telescoping groove, and annular telescoping groove is embedded with seal ring.
The beneficial effect of the utility model: the novel assembly of thermostat of the DENG of the utility model, existing thermostat is provided with shell, cooling water passage and interface integral body are integrated in housing; And the reasonable disposition passage, make each linkage structure form one-piece element, it is little on motor, to take up room; The convenient installation; Can obviously practice thrift the installation beat, increase work efficiency, finally reach the purpose of effective reduction complete machine manufacturing cost; Simultaneously, it is regular that the assembly part is installed the back overall appearance, the motor beautiful shape; Can be widely used in DENG, be particularly useful for the miniature diesel engine of compact structure.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model perspective view;
Fig. 3 analyses and observe to view along cooling-water temperature sensor for Fig. 2.
Embodiment
Fig. 1 is the utility model structural representation; Fig. 2 is the utility model perspective view; Fig. 3 analyses and observe to view along cooling-water temperature sensor for Fig. 2; As shown in the figure: the novel assembly of thermostat of the DENG of present embodiment comprises thermostat body 2 and covers in the outside shell 4 of thermostat body 2 outward that said shell 4 is provided with in motor water outlet interface 11 and the shell 4 and forms short circle passage and able to turn on or off major cycle passage by thermostat at least; Directly pipeline is connected in each passage during use, and each passage all is integrated in housing, makes the assembly of thermostat compact structure, easy to connect; Thermostat body 2 adopts prior art constructions, comprises valve body, valve rod and valve gap, and concrete structure repeats no more at this.
In the present embodiment, also be provided with exhaust gas recirculation cooling water passage and the exhaust passage that is used to be connected expansion tank in the said shell 4, said short circle passage is used to connect the oil filtration cooler, and the major cycle passage connects engine radiator; The exhaust gas recirculation cooling water passage gets into warm air system after connecting cooler for recycled exhaust gas; Further integrated required cooling and exhaust passage on housing further reduce the connection of cooling system and assemble volume; The short circle passage is directly connected on the oil filtration cooling device, is used for cooled engine lubricant oil, guarantees that motor is in a good lubricating condition all the time; The exhaust passage that is used to connect expansion tank guarantees motor when adding water, and is can exhaust abundant, prevents air-resistance phenomenon, avoids engine overheat and damages motor; The cooling liquid that the exhaust gas recirculation cooling water passage will come out in the engine cooling water jacket is introduced exhaust gas recirculation (EGR) cooler earlier; Coolant temperature is raise; And then introducing car load warm air system; The heating interior space, this system can effectively reclaim the unnecessary heat of motor, reduces energy loss; And the cooling water inflow that flows to warm air system can pass through thermostat body auto-control, has higher automaticity.
In the present embodiment; Said exhaust gas recirculation cooling water passage is positioned at shell 4 and is provided with the direct joint 5 of exhaust gas recirculation cooling water that is used to connect cooler for recycled exhaust gas; Said short circle passage is positioned at shell 4 and is provided with the direct joint 7 of the short circle that is used for the junctor oil rectifier, and the said exhaust passage that is used to connect expansion tank is positioned at shell and is provided with the direct joint 9 of exhaust; Said major cycle passage is positioned at shell and is provided with the direct joint 1 of major cycle; Adopt above-mentioned direct joint, be beneficial to fast-assembling and quick detach, increase work efficiency, have stronger product.
In the present embodiment, said shell 4 also is provided with cooling-water temperature sensor mounting interface and cooling-water temperature sensor 6; This sensor can the real-time detection motor coolant temperature, and feed back to the driver, remind the driver to prevent in driving procedure, to boil.
In the present embodiment, be connected through flange seal between the direct joint 1 of said major cycle and the housing 4, as shown in the figure, flange is fixedly connected on housing 4 end faces through bolt 8; Compress sealing through seal ring 3 between the flange of the direct joint 1 of said major cycle and housing 4 end faces; The valve body of said thermostat body 2 is fixedly set in the housing 4, and the valve rod of thermostat body 2 is supported in the supporting base 12 that fixedly installs on the direct joint 1 of major cycle, and thermostat body 2 can smooth and easyly be moved, and guarantees the normal operation of motor.
In the present embodiment, the sensor holder of the direct joint of the direct joint of said short circle 7, exhaust 9, the direct joint 5 of exhaust gas recirculation cooling water and cooling-water temperature sensor 6 is sealedly attached to housing 4 through screw thread, flange or the Placement that is pressed into; As shown in the figure, adopt above-mentioned any linkage structure all can realize goal of the invention;
In the present embodiment; Said motor water outlet interface 11 is provided with and is used for and motor water outlet flange connecting 11a; Said flange seal end face is provided with annular telescoping groove, and annular telescoping groove is embedded with seal ring 10, and seal ring 10 can adopt planar seal ring or O RunddichtringO; All can realize the purpose of the utility model, have better seal property after the installation.
The sensor holder of the direct joint of the direct joint of the direct joint of said major cycle 1, short circle 7, exhaust 9, the direct joint 5 of exhaust gas recirculation cooling water and cooling-water temperature sensor 6 all can be designed to working of plastics, effectively reduces component weight, plays the fuel-economizing effect.
Explanation is at last; Above embodiment is only unrestricted in order to the technological scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technological scheme of the utility model; And not breaking away from the aim and the scope of the utility model technological scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (7)
1. novel assembly of thermostat of DENG; It is characterized in that: comprise the thermostat body and cover in the shell of thermostat body exterior outward, said shell is provided with in motor water outlet interface and the shell and forms short circle passage and able to turn on or off major cycle passage by thermostat at least.
2. the novel assembly of thermostat of DENG according to claim 1; It is characterized in that: also be provided with exhaust gas recirculation cooling water passage and the exhaust passage that is connected expansion tank in the said shell; Said short circle passage connects the oil filtration cooler, and the major cycle passage connects engine radiator.
3. the novel assembly of thermostat of DENG according to claim 2; It is characterized in that: said exhaust gas recirculation cooling water passage is positioned at shell and is provided with the direct joint of exhaust gas recirculation cooling water that is used to connect cooler for recycled exhaust gas; Said short circle passage is positioned at shell and is provided with the direct joint of the short circle that is used for the junctor oil rectifier, and the said exhaust passage that is used to connect expansion tank is positioned at shell and is provided with the direct joint of exhaust; Said major cycle passage is positioned at shell and is provided with the direct joint of major cycle.
4. the novel assembly of thermostat of DENG according to claim 2, it is characterized in that: said shell also is provided with cooling-water temperature sensor mounting interface and cooling-water temperature sensor.
5. the novel assembly of thermostat of DENG according to claim 3; It is characterized in that: be connected through flange seal between the direct joint of said major cycle and the housing; The direct joint of said major cycle inside is provided with the fixed base that is used for fixing thermostat body valve body; Said fixed base is used for thermostat body valve rod is formed support, forms sealing between said thermostat body periphery and the shell inner surface.
6. the novel assembly of thermostat of DENG according to claim 3 is characterized in that: the sensor holder of the direct joint of said short circle, the direct joint of exhaust, the direct joint of exhaust gas recirculation cooling water and cooling-water temperature sensor is sealedly attached to housing through the Placement that screw thread, flange perhaps are pressed into.
7. according to the novel assembly of thermostat of the described DENG of the arbitrary claim of claim 1-6; It is characterized in that: said motor water outlet interface is provided with and is used for and motor water outlet flange connecting; Said flange seal end face is provided with annular telescoping groove, and annular telescoping groove is embedded with seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205506774U CN202417685U (en) | 2011-12-26 | 2011-12-26 | Novel thermostat assembly of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205506774U CN202417685U (en) | 2011-12-26 | 2011-12-26 | Novel thermostat assembly of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202417685U true CN202417685U (en) | 2012-09-05 |
Family
ID=46742458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205506774U Expired - Fee Related CN202417685U (en) | 2011-12-26 | 2011-12-26 | Novel thermostat assembly of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202417685U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277182A (en) * | 2013-06-21 | 2013-09-04 | 冯文杰 | Temperature adjusting device of cooling system of diesel engine |
| CN104847475A (en) * | 2014-11-25 | 2015-08-19 | 重庆斯凯力科技有限公司 | Section temperature sensor assembly |
| CN109281747A (en) * | 2018-11-09 | 2019-01-29 | 东风商用车有限公司 | A kind of coolant liquid adaptation unit with temperature control device |
| CN110118119A (en) * | 2019-04-17 | 2019-08-13 | 东风朝阳朝柴动力有限公司 | Diesel engine temperature saving device structure and assembly method |
-
2011
- 2011-12-26 CN CN2011205506774U patent/CN202417685U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277182A (en) * | 2013-06-21 | 2013-09-04 | 冯文杰 | Temperature adjusting device of cooling system of diesel engine |
| CN104847475A (en) * | 2014-11-25 | 2015-08-19 | 重庆斯凯力科技有限公司 | Section temperature sensor assembly |
| CN109281747A (en) * | 2018-11-09 | 2019-01-29 | 东风商用车有限公司 | A kind of coolant liquid adaptation unit with temperature control device |
| CN110118119A (en) * | 2019-04-17 | 2019-08-13 | 东风朝阳朝柴动力有限公司 | Diesel engine temperature saving device structure and assembly method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20201226 |