CN211422724U - Temperature-sensing integrated thermostat device used in engine oil module - Google Patents
Temperature-sensing integrated thermostat device used in engine oil module Download PDFInfo
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- CN211422724U CN211422724U CN201922351580.XU CN201922351580U CN211422724U CN 211422724 U CN211422724 U CN 211422724U CN 201922351580 U CN201922351580 U CN 201922351580U CN 211422724 U CN211422724 U CN 211422724U
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- piston
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- 239000010705 motor oil Substances 0.000 title claims description 46
- 239000003921 oil Substances 0.000 claims description 51
- 238000007789 sealing Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 239000010721 machine oil Substances 0.000 abstract description 10
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Temperature-Responsive Valves (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to an integrated thermostat device of temperature sensing formula for among machine oil module, including support, temperature-sensing element assembly and bypass valve assembly, the bypass valve assembly sets up on the temperature-sensing element assembly, and both an organic whole are installed inside the support, and the temperature-sensing element assembly includes temperature-sensing element, temperature-sensing element base and piston, and temperature-sensing element and piston end to spacing fixing on the support through the temperature-sensing element base, the bypass valve assembly includes bypass valve block, bypass disk seat and bypass valve spring, bypass valve block one side and piston connection, opposite side and bypass valve spring coupling, and the bypass disk seat cover is established outside the bypass valve spring to through scalable spacing subassembly and the spacing connection of support. Compared with the prior art, the utility model discloses can realize temperature and pressure synchronous regulation, operating condition stable, and easy to detach maintenance.
Description
Technical Field
The utility model relates to an automobile engine cooling technology field, concretely relates to integrated thermostat device of temperature sensing formula for among machine oil module.
Background
Currently, many thermostat and bypass valves used in engine oil modules are two separate components that perform the temperature and pressure regulation functions, respectively. The installation positions of the thermostat and the bypass valve are considered when designing the oil module, respectively, resulting in a complicated design. The general thermostat temperature sensing element is arranged behind the thermostat piston in a rear mode, and the thermostat temperature sensing element senses the temperature difference between engine oil cooled by the cooler and the engine oil entering the oil inlet, so that the thermostat can be frequently opened when the piston is in work, and oscillation is generated. Traditional temperature sensing formula thermostat divide into upper and lower support and disk seat, and upper and lower support and disk seat pass through the riveting fixed, and fixed through the lug between and the casing, and the loaded down with trivial details difficult dismantlement of installation is maintained. And the contact surface of the piston is narrow, so that the piston is easy to topple and block during sliding, and the thermostat cannot be normally opened to cause the function failure of the thermostat.
Patent CN106150659A discloses a wax type thermostat: the upper support and the lower support of the thermostat are riveted with the valve seat into a whole, the upper end of the central rod is fixed in the center of the upper support, the lower part of the central rod is inserted into a central hole of the rubber tube, the lower end of the central rod is conical, and paraffin is filled in a cavity between the rubber tube and the shell of the inductor. The upper and lower parts of the inductor shell are provided with a main valve and a bypass valve which are linked, and the main valve is provided with a vent hole. The support of the thermostat is an upper support and a lower support, and the temperature sensing inductor and the bypass valve are respectively arranged, so that the space design inside the thermostat is not facilitated, and the temperature and pressure regulation is not simultaneously realized.
Patent CN205370729U discloses an electronic thermostat body support, constitute including body support by sleeve holder, support valve disc, discharge valve, rectangular water conservancy diversion hole, the sleeve holder cartridge is interference fit in the centre bore of support valve disc and makes up integratively, and 4 rectangular water conservancy diversion holes are circumference quartering and set up respectively in sleeve holder stack shell reducing department, and discharge valve sets up the right side at support valve disc annular upper surface. This non-integrated into one piece's of support, the installation is loaded down with trivial details and difficult dismantlement is maintained, and support and casing adopt the installation breach to be connected, and the fastness is not strong.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem and providing an integrated thermostat device of temperature sensing formula for in the machine oil module, the device can realize temperature and pressure synchronization regulation, operating condition is stable, and easily dismantle the maintenance.
The purpose of the utility model is realized through the following technical scheme:
a temperature-sensing integrated thermostat device for an engine oil module comprises a shell, a support, a temperature-sensing element assembly, a bypass valve assembly and a telescopic limiting component, wherein the temperature-sensing element assembly and the bypass valve assembly are integrally installed in the support and limited by the telescopic limiting component installed at one end of the support; the temperature sensing element assembly comprises a temperature sensing element, a temperature sensing element base and a piston, wherein the temperature sensing element base is arranged in the support, the temperature sensing element is arranged in the temperature sensing element base, and the piston is connected with the temperature sensing element; the bypass valve assembly comprises a bypass valve plate, a bypass valve seat and a bypass valve spring, the bypass valve spring is installed in the bypass valve seat, and the bypass valve seat is connected with the piston and tightly pressed on the piston under the action of the bypass valve spring.
Furthermore, the support is of a hollow sleeve structure and comprises a support barrel and a support sealing cover, the support sealing cover is arranged at one end of the support barrel, and the support barrel is provided with a plurality of strip-shaped through holes.
Further, be equipped with the cavity in the casing, the support mounting in the cavity of casing, be equipped with the screw thread on the outer wall of support closing cap, can dismantle the connection through the screw thread between the two.
Furthermore, the hollow cavity is divided into an oil inlet chamber and an oil outlet chamber by the temperature sensing element assembly and the bypass valve assembly, the temperature sensing element assembly is located on one side of the oil inlet chamber, and the bypass valve assembly and the telescopic limiting component are located on one side of the oil outlet chamber.
Furthermore, the shell is respectively provided with an oil inlet, a cooler inlet and a filter element inlet, wherein the oil inlet is communicated with the oil inlet chamber, and the filter element inlet is communicated with the oil outlet chamber.
Further, the top of support closing cap is equipped with outer edge, is equipped with sealed the pad between outer edge and the casing, still be equipped with the sealing washer between support and the casing.
Further, scalable spacing subassembly is including the spring, spring separation blade and the jump ring that connect gradually, the end connection of spring and bypass valve seat, jump ring and support limit connection.
Furthermore, the temperature sensing element is made of a high-temperature expansion material, a push rod is arranged at the end of the temperature sensing element, the piston is mounted on the push rod, when the temperature is too high, the temperature sensing element expands, and the piston moves under the action of the push rod to block the engine oil circulation opening. The temperature sensing element is not only wax commonly used in the prior art, but also other temperature sensitive substances, as long as the effect of high-temperature expansion and low-temperature contraction can be achieved.
Further, the bracket is provided with a sliding surface for guiding the piston.
Furthermore, the piston end face is provided with an annular groove, the annular groove is provided with a through hole, the shape of the bypass valve plate is consistent with that of the annular groove, and under the normal condition, the bypass valve plate is limited in the annular groove under the action of the bypass valve spring and blocks the through hole.
The device has the specific working principle that in a normal state, the piston is in an open state, namely when the temperature of engine oil introduced through the oil inlet is lower than a set value, the piston does not seal the engine oil flow port under the action of the telescopic limiting assembly, the engine oil entering the cavity of the shell passes through the bypass valve assembly and then enters the filter element through the filter element inlet; part of the oil enters the cooler through the cooler inlet, and the flow of the oil entering the filter element inlet and the cooler inlet depends on the flow of the oil from the oil inlet.
When high-temperature engine oil is introduced into the oil inlet (when the temperature of the engine oil is higher than a set value), the temperature sensing element expands due to temperature rise to push the piston to move, the piston seals the engine oil flow opening, and at the moment, the high-temperature engine oil cannot enter the oil outlet cavity from the oil inlet cavity, so that the high-temperature engine oil is prevented from entering the filter element through the filter element inlet.
When high-temperature engine oil is introduced into the oil inlet chamber, the piston seals the engine oil flow port, the filter element inlet is in a closed state, and if the engine oil enters the filter element under certain limit working conditions, such as failure (such as blockage) of a cooler branch, no engine oil enters the filter element, so that the engine can not use the engine oil, and the condition is avoided. The bypass valve assembly in the device plays a role, namely if the situation occurs, when the pressure difference between the oil inlet and the lubricating end rises to the set starting pressure, high-pressure engine oil in the oil inlet chamber acts on the bypass valve plate, the bypass valve plate is opened, and the engine oil directly enters the filter element inlet through the bypass valve assembly, so that the problems are avoided, the engine oil is kept in the engine lubricating system, and all parts needing to be lubricated in the operation of the engine are protected.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses be in the same place temperature-sensing element assembly and bypass valve assembly coupling to assemble and form integratively in the support, not only can realize synchronous temperature regulation and pressure regulation function, need not to consider the mounted position of temperature-sensing element assembly and bypass valve assembly respectively moreover, consequently the shell structure who is used for installing the integrated temperature saver device of temperature sensing formula also obtains optimizing, saves design space.
2. The valve plate of the bypass valve is connected to the end part of the piston, so that when the temperature sensing element expands due to heating to push the piston to slide, the bypass valve is also pushed by the piston to slide. In order to make the integrated temperature saver device of temperature sensing formula can not frequently open the production and vibrate at the during operation, set up the place ahead at the piston with temperature sensing element, promptly machine oil gets into at first with temperature sensing element contact from the oil feed entry, and temperature sensing element just senses the machine oil temperature that the oil feed entry came in, and can not sense the machine oil temperature of filter core entry to can not frequently open because the temperature sensing is too sensitive.
3. Set up the screw thread on the support, be connected through screw thread and casing, need not to adopt solitary bolt fastening, reduced the part, optimized the mounting process, convenient to detach maintains.
4. The support adopts integrated into one piece, gets rid of the riveting of upper and lower support, has optimized the technology to be equipped with the rectangular through-hole that can supply the machine oil business turn over on the wall, and design into "protruding" font structure with rectangular through-hole according to the mounted position of piston, be favorable to piston and support contact.
5. The contact surface, namely the sliding surface, of the piston and the bracket is widened, and when the piston slides, the piston can move along the sliding surface, so that the piston can be effectively prevented from toppling and clamping stagnation.
Drawings
Fig. 1 is an exploded view of a temperature-sensing integrated thermostat device in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a temperature-sensing integrated thermostat device in accordance with an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the piston in an open state;
FIG. 4 is a cross-sectional view of the piston in a closed state;
FIG. 5 is a schematic view of the working principle;
in the figure: 1-a scaffold; 2-a temperature sensing element; 3-a piston; 4-a temperature sensing element base; 5-a bypass valve plate; 6-a bypass valve seat; 7-a bypass valve spring; 8-a spring; 9-spring catch; 10-a clamp spring; 11-a support cylinder; 12-a bracket cover; 13-an oil inlet; 14-a cartridge inlet; 15-cooler inlet; 16-elongated through holes; 17-outer edge; 18-a seal gasket; 19-a sealing ring; 20-shell.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Examples
Referring to fig. 1-4, a temperature-sensing integrated thermostat device for an engine oil module comprises a housing 20, a support 1, a temperature-sensing element assembly, a bypass valve assembly and a retractable limiting component, wherein a hollow cavity is arranged in the housing 20, the support 1 is installed in the hollow cavity of the housing 20, the temperature-sensing element assembly and the bypass valve assembly are integrally installed inside the support 1 and limited by the retractable limiting component installed at one end of the support 1, the retractable limiting component comprises a spring 8, a spring catch 9 and a snap spring 10 which are sequentially connected, the spring is connected with the end of a bypass valve seat 6, and the snap spring 10 is connected with the support 1 in a limiting manner.
The support 1 is a hollow sleeve structure and comprises a support barrel 11 and a support sealing cover 12, the support sealing cover 12 is arranged at one end of the support barrel 11, threads are arranged on the outer wall of the support sealing cover 12, and the support sealing cover are detachably connected through the threads. The top of the bracket cover 12 is provided with an outer edge 17, a sealing gasket 18 is arranged between the outer edge 17 and a shell 20, and a sealing ring 19 is arranged between the bracket 1 and the shell 20. The support barrel 11 is divided into two sections, and a plurality of strip-shaped through holes 16 are formed in the support barrel 11, so that the support is communicated with the hollow cavity in the shell 20.
As shown in fig. 2, the temperature sensing element assembly includes a temperature sensing element 2, a temperature sensing element base 4 and a piston 3, the temperature sensing element base 4 is installed in the support 1, the temperature sensing element 2 is installed in the temperature sensing element base 4, the piston 3 is connected with the temperature sensing element 2, the temperature sensing element 2 is made of a high temperature expansion material, a top rod 201 is arranged at an end of the temperature sensing element 2, and the piston 3 is installed on the top rod 201. The bypass valve assembly comprises a bypass valve plate 5, a bypass valve seat 6 and a bypass valve spring 7, the bypass valve spring 7 is installed in the bypass valve seat 6, the bypass valve seat 6 is connected with the piston 3, an annular groove is formed in the end face of the piston 3 and provided with a through hole, the bypass valve plate 5 is consistent with the annular groove in shape, and under the normal working condition, the bypass valve plate 5 is limited in the annular groove under the action of the bypass valve spring 7 and blocks the through hole of the piston 3.
As shown in fig. 3, the hollow cavity of the housing 20 is divided into a left oil inlet chamber and a right oil outlet chamber by the temperature sensing element assembly and the bypass valve assembly, the temperature sensing element assembly is located at one side of the oil inlet chamber, and the bypass valve assembly and the retractable limiting component are located at one side of the oil outlet chamber. The housing 20 is provided with an inlet 13 and a cooler inlet 15, respectively, which are in communication with the inlet chamber, and a filter inlet 14, which is in communication with the outlet chamber.
The specific working principle of the device is that in a normal state, as shown in fig. 3, when the piston is in an open state, namely the temperature of the engine oil introduced through the oil inlet 13 is lower than a set value, the piston 3 is extruded to the left side under the action of the spring 8 of the telescopic limiting component, at the moment, an engine oil flow port (a position a in fig. 3) communicating the left oil inlet chamber and the right oil outlet chamber is in an open state, the engine oil entering the housing chamber passes through the bypass valve assembly and then enters the filter element through the filter element inlet 14; part of the oil enters the cooler through cooler inlet 15, and the flow of oil into the filter element inlet and the cooler inlet depends on the flow of oil from the oil inlet.
When high-temperature engine oil is introduced into the oil inlet 13 (when the temperature of the engine oil is higher than a set value), the temperature sensing element 2 expands due to temperature rise, the ejector rod 201 of the temperature sensing element 2 pushes the piston 3 to move rightwards along the sliding surface arranged on the support 1, the engine oil circulation opening at the position a in the figure 3 is sealed by the piston 3, at the moment, the high-temperature engine oil cannot enter the oil outlet cavity from the oil inlet cavity, the high-temperature engine oil is prevented from entering the filter element through the filter element inlet, the effect of protecting the filter element is achieved, and the.
However, when high temperature engine oil is introduced into the oil inlet chamber, the filter element inlet 14 is in a closed state, and if under certain limit conditions, such as a cooler branch failure (e.g., blockage), no engine oil enters the filter element at this time, the engine is not available, which should be avoided. The bypass valve assembly in the device plays a role, namely if the situation occurs, when the pressure difference between one side of the oil inlet chamber and the lubricating end rises to the set opening pressure, high-pressure engine oil in the oil inlet chamber acts on the bypass valve plate 5, the bypass valve plate 5 moves rightwards, at the moment, the through hole in the middle of the piston 3 is opened, and the engine oil directly enters the filter element inlet 14 through the bypass valve assembly, so that the problems are avoided, the engine oil is kept in the engine lubricating system, and all parts needing to be lubricated in the operation of the engine are protected.
Fig. 5 is the theory of operation sketch map in this device concrete application in automobile engine module, promptly the machine oil in the oil tank respectively through the cooler and the utility model discloses the integrated thermostat device of temperature sensing formula lets in the filter core and filters, lets in the engine after filtering and uses, and the machine oil after the use returns to in the oil tank, so circulate, the utility model discloses it is temperature regulation and the pressure adjustment in order to realize machine oil to set up the integrated thermostat device of temperature sensing formula. The utility model discloses be in the same place temperature-sensing element assembly and bypass valve assembly coupling to assemble and form integratively in the support, not only can realize synchronous temperature regulation and pressure regulation function, and need not to consider the mounted position of temperature-sensing element assembly and bypass valve assembly respectively, consequently the shell structure who is used for installing the integrated temperature saver device of temperature sensing formula also obtains optimizing, saves design space.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. A temperature-sensing integrated thermostat device for an engine oil module is characterized by comprising a shell (20), a support (1), a temperature-sensing element assembly, a bypass valve assembly and a telescopic limit component, wherein the temperature-sensing element assembly and the bypass valve assembly are integrally installed in the support (1) and limited by the telescopic limit component installed at one end of the support (1), and the support (1) is installed in the shell (20);
the temperature sensing element assembly comprises a temperature sensing element (2), a temperature sensing element base (4) and a piston (3), the temperature sensing element base (4) is installed in the support (1), the temperature sensing element (2) is installed in the temperature sensing element base (4), and the piston (3) is connected with the temperature sensing element (2);
the bypass valve assembly comprises a bypass valve plate (5), a bypass valve seat (6) and a bypass valve spring (7), the bypass valve spring (7) is installed in the bypass valve seat (6), the bypass valve seat (6) is connected with the piston (3), and the bypass valve spring (7) is tightly pressed on the piston (3) under the action of the bypass valve spring.
2. The thermostat device for an engine oil module as claimed in claim 1, characterized in that the support (1) is a hollow sleeve structure and comprises a support cylinder (11) and a support cover (12), the support cover (12) is arranged at one end of the support cylinder (11), and the support cylinder (11) is provided with a plurality of elongated through holes (16).
3. The thermostat device for an engine oil module as claimed in claim 2, characterized in that the housing (20) has a hollow cavity, the bracket (1) is mounted in the hollow cavity of the housing (20), and the outer wall of the bracket cover (12) has threads for detachable connection.
4. The integrated thermostat device of claim 3 wherein the hollow cavity is divided into an oil inlet chamber and an oil outlet chamber by the temperature sensing element assembly and the bypass valve assembly, the temperature sensing element assembly being located on one side of the oil inlet chamber, and the bypass valve assembly and the retractable stop member being located on one side of the oil outlet chamber.
5. A temperature-sensing integrated thermostat arrangement for use in an engine oil module according to claim 4, characterized in that the housing (20) is provided with an inlet oil inlet (13) and a cooler inlet (15) communicating with the inlet oil chamber, respectively, and a filter cartridge inlet (14) communicating with the outlet oil chamber.
6. A thermostat integrated thermostat device for an engine oil module according to claim 3, characterized in that the top of the bracket cover (12) is provided with an outer rim (17), that a sealing gasket (18) is arranged between the outer rim (17) and the housing (20), and that a sealing ring (19) is arranged between the bracket (1) and the housing (20).
7. The integrated thermostat device for an engine oil module as claimed in claim 1, characterized in that the retractable limiting assembly comprises a spring (8), a spring stop (9) and a clamp spring (10) which are connected in sequence, the spring is connected with the end of the bypass valve seat (6), and the clamp spring (10) is in limiting connection with the bracket (1).
8. The integrated thermostat device for an engine oil module as claimed in any one of claims 1-7, characterized in that the temperature sensing element (2) is made of high temperature expansion material, the end of the temperature sensing element (2) is provided with a push rod, the piston (3) is mounted on the push rod, when the temperature is too high, the temperature sensing element (2) expands, and the piston (3) moves under the action of the push rod to block the engine oil flow port.
9. A thermostat integrated thermostat device for an oil module according to claim 8, characterized in that the bracket is provided with a sliding surface for guiding the piston (3).
10. The integrated thermostat device for an engine oil module as claimed in claim 1, characterized in that the piston (3) has an annular groove on its end face, the annular groove has a through hole, the bypass valve plate (5) has a shape corresponding to the annular groove, and under normal operation, the bypass valve plate (5) is limited in the annular groove under the action of the bypass valve spring (7) and blocks the through hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922351580.XU CN211422724U (en) | 2019-12-24 | 2019-12-24 | Temperature-sensing integrated thermostat device used in engine oil module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922351580.XU CN211422724U (en) | 2019-12-24 | 2019-12-24 | Temperature-sensing integrated thermostat device used in engine oil module |
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| CN211422724U true CN211422724U (en) | 2020-09-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343688A (en) * | 2020-11-26 | 2021-02-09 | 汉格斯特滤清***(昆山)有限公司 | Integrated engine oil filtering and cooling device |
| CN113027563A (en) * | 2019-12-24 | 2021-06-25 | 曼胡默尔滤清器（上海）有限公司 | Temperature-sensing integrated thermostat device used in engine oil module |
-
2019
- 2019-12-24 CN CN201922351580.XU patent/CN211422724U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027563A (en) * | 2019-12-24 | 2021-06-25 | 曼胡默尔滤清器（上海）有限公司 | Temperature-sensing integrated thermostat device used in engine oil module |
| CN112343688A (en) * | 2020-11-26 | 2021-02-09 | 汉格斯特滤清***(昆山)有限公司 | Integrated engine oil filtering and cooling device |
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