CN113202613B - Thermostat shell and installation method - Google Patents
Thermostat shell and installation method Download PDFInfo
- Publication number
- CN113202613B CN113202613B CN202110540009.1A CN202110540009A CN113202613B CN 113202613 B CN113202613 B CN 113202613B CN 202110540009 A CN202110540009 A CN 202110540009A CN 113202613 B CN113202613 B CN 113202613B
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- Prior art keywords
- flange
- cavity
- thermostat
- flange surface
- face
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- 238000009434 installation Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000498 cooling water Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention discloses a thermostat shell and an installation method, the thermostat shell comprises an intermediate body, a flange pipe, a cover plate and a thermostat core, the thermostat core is arranged in the intermediate body, the intermediate body is of a convex structure, a first flange face, a second flange face, a third flange face and a fourth flange face which are the same in size are respectively arranged on the upper surface, the left side face, the right side face and the rear side face of the intermediate body, the first flange face is a thermostat large-circulation water outlet, the second flange face and the third flange face are small-circulation water outlets, and the fourth flange face is a thermostat water inlet.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a thermostat shell and an installation method.
Background
The thermostat is equipment for automatically adjusting the temperature of an engine cooling system, is usually arranged in a cooling waterway between an engine circulating water outlet and a radiator, automatically adjusts the water quantity entering the radiator through the opening degree of a core controlled by the temperature in the thermostat, further controls the water inlet temperature of an engine circulating water pump, ensures that all parts of the engine are in a proper temperature range under various working conditions, and ensures the normal work of all parts of the engine.
The conventional thermostat is only suitable for one engine layout form, cannot be used for various engine layout forms, has no universal design of external interface parts, is not uniform in external interfaces, and has no interchangeability.
Disclosure of Invention
The invention aims to overcome the existing defects, provides a thermostat shell and an installation method, is suitable for various engine arrangement modes, reduces the types of parts, ensures that the parts are interchangeable, is convenient to produce and use, and can effectively solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a thermostat casing, includes midbody, flange pipe, apron and thermostat core, the thermostat core sets up the inside at the midbody, the midbody is "protruding" style of calligraphy structure, and the upper surface of midbody, left surface, right side and trailing flank are provided with the same first flange face of size respectively, second flange face, third flange face and fourth flange face, first flange face is thermostat big circulation delivery port, and second flange face and third flange face are little circulation delivery port, and fourth flange face is thermostat water inlet, the apron sets up on second flange face or third flange face for change little circulation water outlet direction, all other flange faces are all connected with flange pipe, and the flange pipe corresponds the device with the outside and is connected.
As a preferable technical scheme of the invention, the first flange surface, the second flange surface, the third flange surface and the fourth flange surface are respectively provided with a first threaded blind hole for installing a flange pipe or a cover plate.
As a preferable technical scheme of the invention, a first cavity is arranged in the middle body close to a fourth flange surface, a fourth cavity is arranged at the upper part of the first cavity, two ends of the fourth cavity are respectively communicated with the first flange surface and the first cavity, a second cavity is arranged close to a second flange surface, a third cavity is arranged close to a third flange surface, the second cavity is communicated with the third cavity through a channel, and the first cavity is communicated with the channel.
As a preferable technical scheme of the invention, the first cavity is communicated with the fourth cavity to form a large cooling water circulation channel, the first cavity is connected with the channel to form a cooling water channel in the thermostat core, and the second cavity, the third cavity and the channel form a small cooling water circulation channel in the middle body.
As a preferable technical scheme of the invention, the top of the thermostat core is provided with a rubber sealing ring.
As a preferable technical scheme of the invention, the bottom of the intermediate body is provided with three round tables distributed in a shape of a Chinese character 'pin', and second threaded blind holes for mounting and fixing the shell are arranged in the round tables.
As a preferable technical scheme of the invention, the first flange surface, the second flange surface and the third flange surface are respectively provided with an O-shaped ring groove used for contact sealing of the flange surfaces, and sealing rings are arranged in the O-shaped ring grooves.
The installation method of the thermostat shell comprises the steps that the flange pipe is fixedly connected with the first flange surface, and the installation position of the flange pipe on the second flange surface or the third flange surface is changed, so that the small circulation water outlet direction is changed, and the installation of a single thermostat is realized.
A method for installing thermostat shells includes connecting two or more thermostat shells end to end through flange pipes to realize installation of multiple thermostats.
Compared with the prior art, the invention has the beneficial effects that: 1. the thermostat shell can select the small circulation water outlet direction by changing the installation position of the cover plate according to the arrangement form of the engine, can be used in combination with a plurality of thermostats, and is suitable for various arrangement forms of the engine;
2. the outer flange surfaces of each pair of the intermediate body are in modularized design, so that the types of parts are reduced, and the structure and the production are convenient;
3. the external interfaces of the thermostat shell are flange pipes, and the external design is simple and easy to implement.
4. The thermostat assembly is simple in structure and convenient to maintain and operate.
Drawings
FIG. 1 is a schematic diagram of an intermediate structure;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a bottom view of FIG. 1;
FIG. 4 is a cross-sectional view at A-A of FIG. 1;
FIG. 5 is a cross-sectional view at B-B in FIG. 1;
FIG. 6 is a schematic diagram of a flanged pipe configuration;
FIG. 7 is a schematic diagram of the engine small-cycle right-outlet thermostat housing structure of the present invention;
FIG. 8 is a schematic diagram of the working principle of the small-cycle right-outlet thermostat when the core is not opened;
FIG. 9 is a schematic diagram of the working principle of the small-cycle right-outlet thermostat when the core is fully opened;
FIG. 10 is a schematic diagram of the engine small-cycle left-outlet thermostat housing of the present invention.
In the figure: 1 an intermediate body, a fourth flange surface, a first flange surface 11, a second flange surface 12, a third flange surface 13, a first threaded blind hole 14, a first cavity 15, a fourth cavity 16, a second cavity 17, a third cavity 18, a channel 19, a 2 flange pipe, a 3 cover plate, a 4 thermostat core, a 5 round platform, a 6 second threaded blind hole and a 7O-shaped ring groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments (for convenience of description and understanding, the description is below with the upper side of fig. 1 being the upper side, the left side of fig. 1 being the left side, and the right side of fig. 1 being the right side). All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1: referring to fig. 1-6, the present invention provides a technical solution: the thermostat housing comprises an intermediate body 1, a flange pipe 2, a cover plate 3 and a thermostat core 4, wherein the thermostat core 4 is arranged in the middle of the plane of a fourth flange surface 10, the thermostat core 4 is arranged in the middle of the plane of a first flange surface 11, the top of the thermostat core 4 is provided with a rubber sealing ring, the intermediate body 1 is of a convex structure, the upper surface, the left side surface, the right side surface and the rear side surface of the intermediate body 1 are respectively provided with a first flange surface 11, a second flange surface 12, a third flange surface 13 and a fourth flange surface 10 which are the same in size, the first flange surface 11 is a large circulation water outlet of the thermostat, the second flange surface 12 and the third flange surface 13 are small circulation water outlets, the fourth flange surface 10 is a water inlet of the thermostat, a first cavity 15 is arranged in the intermediate body 1 close to the fourth flange surface 10, the upper part of the first cavity 15 is provided with a fourth cavity 16, two ends of the fourth cavity 16 are respectively communicated with the first flange surface 11 and the first cavity 15, a second cavity 17 is arranged close to the second flange surface 12, a third cavity 18 is arranged close to the third flange surface 13, the second cavity 17 is communicated with the third cavity 18 through a channel 19, the first cavity 15 is communicated with the fourth cavity 16 to form a cooling water large circulation channel, the first cavity 15 is connected with the channel 19 to form a cooling water channel inside the thermostat core, the second cavity 17, the third cavity 18 and the channel 19 form a cooling water small circulation channel inside the intermediate 1, the first flange surface 11, the second flange surface 12, the third flange surface 13 and the fourth flange surface 10 are respectively provided with a first threaded blind hole 14 for installing the flange pipe 2 or the cover plate 3, the flange pipe 2 or the cover plate 3 can be conveniently detached and installed, the first flange surface 11, the second flange surface 12 and the third flange surface 13 are respectively provided with an O-shaped ring groove 7,O for contact sealing of the flange surfaces, and sealing rings are arranged in the ring grooves 7.
As shown in fig. 7-9, when small circulation right water outlet is needed, firstly installing the thermostat core 4 into the intermediate body 1, installing the cover plate 3 on the second flange surface 12 through fastening bolts, respectively installing the flange pipe 2 on the first flange surface 11, the third flange surface 13 and the fourth flange surface 10, connecting the flange pipe 2 installed on the first flange surface 11 with an engine radiator, connecting the flange pipe 2 installed on the third flange surface 13 with an engine circulating water pump, and connecting the flange pipe 2 installed on the fourth flange surface 10 with an engine water outlet pipe;
when in operation, the device comprises: the engine is started, the temperature of the engine circulating water outlet is lower than the opening temperature of the thermostat core 4, the thermostat core 4 is in a closed state, the engine circulating water outlet enters the middle body through the flange pipe 2 arranged on the fourth flange surface 10, directly flows into the channel 19 through the thermostat core 4, then flows into the third cavity 18, flows into the circulating water pump through the flange pipe 2 arranged on the third flange surface 13, shortens the warm-up time and improves the low-load performance;
with the increase of the power of the engine, the outlet temperature of the circulating water of the engine is gradually increased, the outlet temperature of the circulating water is higher than the starting temperature of the thermostat core 4, the thermostat core 4 is gradually opened, a part of the circulating water of the engine enters the fourth cavity 16 through the opening at the upper end of the thermostat core 4, enters the radiator through the flange pipe 2 arranged on the first flange surface 11, flows into the circulating water pump after being cooled by the radiator, and flows into the channel of the other part of the circulating water, then flows into the third cavity 18 and flows into the circulating water pump through the flange pipe 2 arranged on the third flange surface 13;
when the engine power is further increased and the outlet water temperature of the engine circulating water is higher than the full-start temperature of the thermostat core 4, the thermostat core 4 is fully opened, the lower part of the thermostat core 4 moves downwards, cooling water enters the fourth cavity 16 through the opening of the thermostat core 4, enters a radiator through a flange pipe 2 arranged on the first flange surface 11, and flows into a circulating water pump after being cooled by the radiator; with the power change of the engine, the temperature change of the water outlet of the circulating water, the thermostat core 4 continuously acts, and the cooling water forms different circulation in the intermediate body 1, so that the heat efficiency of the engine is improved.
Three round tables 5 distributed in a shape of a Chinese character 'pin' are arranged at the bottom of the intermediate body 1, and second threaded blind holes 6 for installing and fixing the shell are arranged in the round tables 5, so that the thermostat is convenient to install and fix;
the first flange surface 11, the second flange surface 12 and the third flange surface 13 are respectively provided with an O-shaped ring groove 7,O for contact sealing of the flange surfaces, and sealing rings are arranged in the ring grooves 7 to prevent water leakage;
example 2: referring to fig. 10, when the small circulation left water outlet is required, the thermostat core 4 is installed in the intermediate body 1, the cover plate 3 is installed on the third flange surface 13 by fastening bolts, the flange pipes 2 are respectively installed on the first flange surface 11, the second flange surface 12 and the fourth flange surface 10, the flange pipe 2 installed on the first flange surface 11 is connected with the engine radiator, the flange pipe 2 installed on the second flange surface 12 is connected with the engine circulating water pump, the flange pipe 2 installed on the fourth flange surface 10 is connected with the engine water outlet pipe, and the water flow cooling circulation mode is the same as that of the embodiment 1.
Example 3: when a plurality of thermostats are required to be installed, two or more thermostat shells are connected end to end through the flange pipe 2, so that the installation of the thermostats is realized.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a thermostat casing, includes midbody (1), flange pipe (2), apron (3) and thermostat core (4), thermostat core (4) set up in the inside of midbody (1), its characterized in that: the middle body (1) is of a convex structure, a first cavity (15) is arranged in the middle body (1) and close to a fourth flange surface (10), a fourth cavity (16) is arranged at the upper part of the first cavity (15), two ends of the fourth cavity (16) are respectively communicated with the first flange surface (11) and the first cavity (15), a second cavity (17) is arranged close to a second flange surface (12), a third cavity (18) is arranged close to a third flange surface (13), the second cavity (17) is communicated with the third cavity (18) through a channel (19), the first cavity (15) is communicated with the fourth cavity (16) to form a large cooling water circulation channel, the first cavity (15) is connected with the channel (19) to form an internal cooling water channel, the second cavity (17), the third cavity (18) and the channel (19) form the middle body (1), the second flange surface (11) is the same in size, the second flange surface (11) is the same as the first flange surface, the second flange surface (11) is the second flange surface (13), the second flange surface (11) is the same in size, the left side surface (11) is the second flange surface (13) is the same, the second flange face (12) and the third flange face (13) are both the little circulation delivery port, and fourth flange face (10) are the thermostat water inlet, apron (3) set up on second flange face (12) or third flange face (13) for change little circulation water outlet direction, all are connected with flange pipe (2) all to the other flange faces, and flange pipe (2) are connected with outside corresponding device, all be provided with first screw thread blind hole (14) that are used for flange pipe (2) or apron (3) installation on first flange face (11), second flange face (12), third flange face (13) and fourth flange face (10).
2. A thermostat housing as claimed in claim 1, wherein: the top of the thermostat core (4) is provided with a rubber sealing ring.
3. A thermostat housing as claimed in claim 1, wherein: the bottom of the intermediate body (1) is provided with three round tables (5) distributed in a' V shape, and second threaded blind holes (6) for mounting and fixing the shell are formed in the round tables (5).
4. A thermostat housing as claimed in claim 1, wherein: o-shaped ring grooves (7) for sealing the flange surfaces in a contact mode are formed in the first flange surface (11), the second flange surface (12) and the third flange surface (13), and sealing rings are arranged in the O-shaped ring grooves (7).
5. A method of installing a thermostat housing as claimed in claim 1, wherein: the flange pipe (2) is fixedly connected with the first flange surface (11), and the installation position of the flange pipe (2) on the second flange surface (12) or the third flange surface (13) is changed, so that the small circulation water outlet direction is changed, and the installation of a single thermostat is realized.
6. A method of installing a thermostat housing as set forth in claim 5, wherein: two or more thermostat shells are connected end to end through a flange pipe (2), so that a plurality of thermostats are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540009.1A CN113202613B (en) | 2021-05-18 | 2021-05-18 | Thermostat shell and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540009.1A CN113202613B (en) | 2021-05-18 | 2021-05-18 | Thermostat shell and installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113202613A CN113202613A (en) | 2021-08-03 |
| CN113202613B true CN113202613B (en) | 2024-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110540009.1A Active CN113202613B (en) | 2021-05-18 | 2021-05-18 | Thermostat shell and installation method |
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| Country | Link |
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| CN (1) | CN113202613B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0055813A1 (en) * | 1980-11-03 | 1982-07-14 | Hans Sasserath & Co Kg | Thermally operated safety-valve |
| EP1120553A2 (en) * | 2000-01-26 | 2001-08-01 | Gustav Wahler GmbH u. Co.KG | Valve, especially a thermostatic valve |
| CN102493863A (en) * | 2011-12-26 | 2012-06-13 | 潍柴动力股份有限公司 | Thermostat and engine cooling system |
| CN106662265A (en) * | 2014-11-03 | 2017-05-10 | 宝马股份公司 | Thermostat valve |
| DE102019000836A1 (en) * | 2018-02-22 | 2019-08-22 | Scania Cv Ab | Thermostatic device for a cooling system |
| CN210829466U (en) * | 2019-09-10 | 2020-06-23 | 东风朝阳朝柴动力有限公司 | Diesel engine thermostat capable of adjusting water outlet direction |
-
2021
- 2021-05-18 CN CN202110540009.1A patent/CN113202613B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0055813A1 (en) * | 1980-11-03 | 1982-07-14 | Hans Sasserath & Co Kg | Thermally operated safety-valve |
| EP1120553A2 (en) * | 2000-01-26 | 2001-08-01 | Gustav Wahler GmbH u. Co.KG | Valve, especially a thermostatic valve |
| CN102493863A (en) * | 2011-12-26 | 2012-06-13 | 潍柴动力股份有限公司 | Thermostat and engine cooling system |
| CN106662265A (en) * | 2014-11-03 | 2017-05-10 | 宝马股份公司 | Thermostat valve |
| DE102019000836A1 (en) * | 2018-02-22 | 2019-08-22 | Scania Cv Ab | Thermostatic device for a cooling system |
| CN210829466U (en) * | 2019-09-10 | 2020-06-23 | 东风朝阳朝柴动力有限公司 | Diesel engine thermostat capable of adjusting water outlet direction |
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| Publication number | Publication date |
|---|---|
| CN113202613A (en) | 2021-08-03 |
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