Multi-mode thermostat

Abstract

The utility model belongs to the technical field of engines, and particularly relates to a multi-mode thermostat which is characterized by comprising a shell, a water inlet, a heater outlet, a large circulation outlet and a small circulation outlet are arranged on the shell, the water inlet is arranged on the side face of the shell, the large circulation outlet is arranged on the top of the shell, and the heater outlet is arranged on the bottom of the shell. The heater outlet and the small circulation outlet are formed in the bottom of the shell; the valve mechanism comprises a support, a first control assembly and a second control assembly, the support is arranged in the shell, the first control assembly is arranged in the support, and the second control assembly is arranged below the support; the exhaust mechanism is arranged on the bracket; the first control assembly is used for controlling opening and closing of the large circulation outlet, and the second control assembly is used for controlling opening and closing of the small circulation outlet and the heater outlet. The engine cooling system has the advantages of having multiple modes of heating and heat dissipation, being capable of rapidly preheating an engine at low temperature and enabling the engine to rapidly reach a proper temperature, and therefore working efficiency of the engine is improved.

Description

Technical Field

[0001] This utility model belongs to the field of engine technology, and specifically refers to a multi-mode thermostat. Background Technology

[0002] A thermostat is an automatic temperature regulating device. Its main function is to control the circulation path of engine coolant, ensuring that the engine operates at a suitable temperature. The thermostat adjusts the amount of water entering the radiator to change the coolant circulation range, thereby regulating the cooling system's heat dissipation capacity.

[0003] However, since engines require a suitable temperature to operate normally, current thermostats cannot quickly bring the engine to the appropriate operating temperature after startup, thus affecting engine efficiency. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned technical problems by providing a multi-mode thermostat with multiple modes, including heating and heat dissipation. This thermostat can quickly preheat the engine at low temperatures, enabling it to reach a suitable temperature rapidly and thus improving engine efficiency.

[0005] The purpose of this utility model is achieved as follows: a multi-mode thermostat, comprising:

[0006] The housing has a water inlet, a heater outlet, a large circulation outlet, and a small circulation outlet. The water inlet is located on the side of the housing, the large circulation outlet is located on the top of the housing, and the heater outlet and the small circulation outlet are located on the bottom of the housing.

[0007] A valve mechanism, comprising a bracket, a first control component, and a second control component, wherein the bracket is disposed within the housing, the first control component is disposed within the bracket, and the second control component is disposed below the bracket;

[0008] An exhaust mechanism is mounted on the bracket;

[0009] The first control component is used to control the opening and closing of the large circulation outlet, and the second control component is used to control the opening and closing of the small circulation outlet and the heater outlet.

[0010] The present invention is further configured such that: the first control component includes:

[0011] A large circulation valve is installed inside the bracket, and the large circulation valve is located at the bottom of the large circulation outlet;

[0012] A temperature-sensing push rod, one end of which passes through the large circulation valve and is connected to the top of the bracket, and the other end of which extends downward through the bracket;

[0013] A first spring is disposed inside the bracket and is sleeved on the temperature-sensing push rod. One end of the first spring is connected to the large circulation valve, and the other end is connected to the bottom of the bracket.

[0014] The present invention is further configured such that: the second control component includes:

[0015] A control lever is located at the bottom of the temperature-sensing push rod, and the control lever is connected to the temperature-sensing push rod;

[0016] A small circulation valve is located at the bottom of the control lever, and the small circulation valve is located above the small circulation outlet;

[0017] An abutment ring is disposed above the small circulation valve, and the abutment ring is sleeved on the control rod;

[0018] The second spring is located above the small circulation valve. The second spring is sleeved on the control rod. One end of the second spring is connected to the bottom of the bracket, and the other end is connected to the top of the abutment ring.

[0019] The present invention is further configured such that: the second control component also includes:

[0020] A heating valve is located above the heater outlet;

[0021] A connecting rod is disposed on the abutment ring, with one end of the connecting rod connected to the abutment ring and the other end connected to the heating valve.

[0022] The present invention is further configured such that the exhaust mechanism includes:

[0023] An exhaust pipe is mounted on the bracket, with an air outlet at the top and an air inlet at the bottom.

[0024] The present invention is further configured such that the exhaust mechanism also includes:

[0025] A float is disposed inside the exhaust pipe. The diameter of the float is smaller than the inner diameter of the exhaust pipe, and the diameter of the float is larger than the inner diameter of the air inlet and the air outlet.

[0026] The present invention is further configured such that: the housing includes an upper shell and a lower shell, both the upper shell and the lower shell are provided with connecting protrusions, the connecting protrusions are provided with bolts, and the upper shell and the lower shell are threadedly connected.

[0027] By adopting the above technical solution, this utility model has at least the following beneficial effects:

[0028] 1. The housing is equipped with a water inlet, a heater outlet, a large circulation outlet, and a small circulation outlet. The first control component can control the opening and closing of the large circulation outlet, and the second control component can control the opening and closing of the small circulation outlet and the heater outlet, enabling the thermostat to have multiple modes of heating and heat dissipation at different power levels. When the engine starts working, the water in the housing can pass through the heater outlet, causing the water temperature in the housing to rise rapidly, thereby raising the engine temperature and allowing the engine to quickly reach a suitable temperature, thus improving the engine's working efficiency. After reaching the suitable temperature, the second control component controls the heater outlet to close, while the first control component controls the large circulation outlet to open, dissipating heat from the engine and maintaining the stability of the engine's operating environment temperature, thereby improving the engine's working stability.

[0029] 2. A control rod is installed below the temperature-sensing push rod, and a small circulation valve is installed at the bottom of the control rod. The small circulation valve is located above the small circulation outlet. An abutment ring is sleeved on the control rod, and a connecting rod is installed on the abutment ring. A heating valve is installed on the connecting rod and located above the heater outlet. The opening and closing of the small circulation valve and the heating valve are directly controlled by a temperature-sensing push rod. When the temperature is too high, the temperature-sensing push rod moves down, causing the small circulation valve and the heating valve to close the small circulation outlet and the heater outlet, thereby improving the working efficiency and functionality of the thermostat.

[0030] 3. An exhaust mechanism is installed on the bracket. The exhaust mechanism includes an exhaust pipe and a float. When the large circulation valve is closed, the exhaust mechanism can discharge the gas in the housing upward into the large circulation outlet, thereby maintaining the pressure balance in the housing and preventing the generation of pressure difference between the water inlet below the valve mechanism, the heater outlet, the small circulation outlet and the large circulation outlet above the valve mechanism, which would cause damage to the thermostat and improve the service life of the thermostat. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the structure of the multi-mode thermostat of this utility model;

[0032] Figure 2 This is a schematic diagram of the valve mechanism of this utility model;

[0033] Figure 3 This is a cross-sectional view of the multi-mode thermostat of this utility model;

[0034] Figure 4 This is an enlarged view of part A of this utility model;

[0035] Figure 5 This is an enlarged view of Part B of this utility model;

[0036] The attached figures are labeled as follows: 1-House, 2-Bracket, 3-First control component, 4-Second control component, 11-Inlet, 12-Heater outlet, 13-Large circulation outlet, 14-Small circulation outlet, 15-Upper shell, 16-Lower shell, 17-Connecting protrusion, 31-Large circulation valve, 32-Temperature sensing push rod, 33-First spring, 41-Control rod, 42-Small circulation valve, 43-Abutting ring, 44-Second spring, 45-Heating valve, 46-Connecting rod, 51-Exhaust pipe, 52-Air inlet, 53-Air outlet, 54-Float. Detailed Implementation

[0037] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0038] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items, and therefore, once an item is defined in one drawing, it need not be further described in subsequent drawings.

[0039] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. See also: Figure 1-5 :

[0040] Example 1:

[0041] This embodiment provides a multi-mode thermostat, including:

[0042] The housing 1 has an inlet 11, a heater outlet 12, a large circulation outlet 13 and a small circulation outlet 14. The inlet 11 is located on the side of the housing 1, the large circulation outlet 13 is located on the top of the housing 1, and the heater outlet 12 and the small circulation outlet 14 are located on the bottom of the housing 1.

[0043] The valve mechanism includes a bracket 2, a first control component 3, and a second control component 4. The bracket 2 is disposed inside the housing 1, the first control component 3 is disposed inside the bracket 2, and the second control component 4 is disposed below the bracket 2.

[0044] The exhaust mechanism is mounted on bracket 2;

[0045] The first control component 3 is used to control the opening and closing of the large circulation outlet 13, and the second control component 4 is used to control the opening and closing of the small circulation outlet 14 and the heater outlet 12.

[0046] like Figure 1-5 As shown, the small circulation outlet 14 is used for the thermostat to perform a small circulation, which has a small cooling intensity. The large circulation outlet 13 is used for the thermostat to perform a large circulation. The large circulation outlet 13 is connected to the engine radiator. The large circulation has a large cooling intensity, which can quickly dissipate heat from the engine. The heater outlet 12 is connected to the heater, which can quickly heat up the water flowing in the housing 1, so that the engine can quickly reach the appropriate temperature, thereby improving the engine's workload efficiency.

[0047] The housing 1 is equipped with a first control component 3 that can control the opening and closing of the large circulation outlet 13, and a second control component 4 that can control the opening and closing of the small circulation outlet 14 and the heater outlet 12, so that the thermostat has multiple modes of heating and heat dissipation with different power.

[0048] When the valve mechanism is in the initial state, the first control component 3 is in the closed state and the second control component 4 is in the open state. At this time, the thermostat is in the heating mode. The water in the housing 1 circulates in the inlet 11, the small circulation outlet 14 and the heater outlet 12. When the engine starts to work, the water in the housing 1 passes through the heater connected to the heater outlet 12, which causes the water temperature in the housing 1 to rise rapidly, thereby raising the engine temperature and allowing the engine to quickly reach the appropriate working temperature, thus improving the engine's working efficiency.

[0049] After reaching the suitable temperature, the engine generates heat during operation, and the temperature inside the thermostat continues to rise. At this time, the first control component 3 and the second control component 4, based on the temperature inside the thermostat, begin to slowly open the large circulation outlet 13 and slowly close the small circulation outlet 14 and the heater outlet 12, thereby dissipating heat from the engine to different degrees according to the temperature. When the temperature reaches its peak, the large circulation outlet 13 is fully open, and the small circulation outlet 14 and the heater outlet 12 are fully closed. At this point, the heat dissipation capacity is at its strongest, allowing for rapid cooling of the engine, thus maintaining the stability of the engine temperature and improving the engine's operating efficiency.

[0050] The first control component 3 works in conjunction with the second control component 4 to control the engine in various modes, such as heating and heat dissipation of different degrees, so that the engine can quickly operate at a suitable temperature, improve the stability of the thermostat's control over engine temperature, and improve the engine's working efficiency.

[0051] The exhaust mechanism is mounted on the bracket 2 and can exhaust water flowing through the heater outlet 12 and the small circulation outlet 14 to the large circulation outlet 13, thereby stabilizing the air pressure balance in the thermostat housing 1 and the pipeline and improving the stability of the thermostat.

[0052] The housing 1 can be made of materials such as stainless steel, but the preferred material in this invention is aluminum alloy. Aluminum alloy has high strength and strong corrosion resistance, can withstand high temperature and pressure, maintain the stability and reliability of the thermostat, and is also lightweight, which can reduce the overall weight of the engine.

[0053] Example 2:

[0054] This embodiment provides a multi-mode thermostat, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0055] The first control component 3 includes:

[0056] The large circulation valve 31 is installed inside the bracket 2 and is located at the bottom of the large circulation outlet 13;

[0057] Temperature sensing push rod 32, one end of temperature sensing push rod 32 passes through large circulation valve 31 and is connected to the top of bracket 2, and the other end passes through bracket 2 and extends downward;

[0058] The first spring 33 is installed inside the bracket 2. The first spring 33 is sleeved on the temperature sensing push rod 32. One end of the first spring 33 is connected to the large circulation valve 31, and the other end is connected to the bottom of the bracket 2.

[0059] like Figure 2-3 As shown, the temperature-sensing push rod 32 passes through the large circulation valve 31 and is fixed to the large circulation valve 31. The temperature-sensing push rod 32 is filled with paraffin wax. The temperature-sensing push rod 32 can adjust the large circulation valve 31 according to the temperature of the water in the housing 1, and control the opening and closing of the large circulation valve 31. The bottom of the temperature-sensing push rod 32 passes through the bracket 2 and is slidably connected to the bracket 2.

[0060] The first spring 33 is sleeved on the temperature-sensing push rod 32. When the water temperature in the thermostat rises, the paraffin expands due to heat, and the temperature-sensing push rod 32 controls the large circulation valve 31 to move down. At this time, the large circulation outlet 13 opens, the top of the first spring 33 abuts against the large circulation valve 31, and the bottom abuts against the bracket 2. When the large circulation valve 31 moves down, the first spring 33 is compressed by force. When the temperature drops, the first spring 33 can generate an upward elastic force on the large circulation valve 31 to reset the large circulation valve 31, thereby improving the working stability of the thermostat.

[0061] A sealing ring is provided between the large circulation valve 31 and the bracket 2. When the large circulation valve 31 is closed, the sealing ring can prevent water from passing through the large circulation outlet 13, improve the heating efficiency of the thermostat, enable the engine to heat up quickly, and improve the engine's working efficiency.

[0062] The second control component 4 includes:

[0063] A control lever 41 is located at the bottom of the temperature-sensing push rod 32 and is connected to the temperature-sensing push rod 32.

[0064] Small circulation valve 42 is located at the bottom of control lever 41 and above small circulation outlet 14;

[0065] Abutment ring 43 is positioned above the small circulation valve 42 and is sleeved on the control rod 41;

[0066] The second spring 44 is located above the small circulation valve 42. The second spring 44 is sleeved on the control rod 41. One end of the second spring 44 is connected to the bottom of the bracket 2, and the other end is connected to the top of the abutment ring 43.

[0067] like Figure 2-5 As shown, the small circulation valve 42 is located above the small circulation outlet 14, and the control lever 41 can control the small circulation valve 42 to move down, thereby controlling the opening and closing of the small circulation outlet 14.

[0068] The control lever 41 and the temperature sensing push rod 32 are designed as a single unit, so that when the temperature sensing push rod 32 drives the large circulation valve 31 to move down, it can simultaneously drive the small circulation valve 42 to move down, slowly opening the large circulation outlet 13 while slowly closing the small circulation outlet 14, thereby improving the engine's heat dissipation efficiency and thus improving the thermostat's working efficiency.

[0069] The control rod 41 passes through the small circulation valve 42 and is slidably connected to it. The abutment ring 43 is located above the small circulation valve 42 and is fixed to the control rod 41. The second spring 44 is sleeved on the control rod 41. One end of the second spring 44 abuts against the top of the small circulation valve 42, and the other end abuts against the bottom of the abutment ring 43. When the control rod 41 moves the small circulation valve 42 downward, the small circulation valve 42 contacts the small circulation outlet 14 and closes the small circulation outlet 14. The second spring 44 can provide downward pressure on the small circulation valve 42, which can prevent the pressure on the small circulation outlet 14 from being too high when the small circulation valve 42 moves downward, thus preventing damage to the housing 1 and effectively extending the service life of the thermostat.

[0070] The second control component 4 also includes:

[0071] Heating valve 45 is located above heater outlet 12;

[0072] A connecting rod 46 is mounted on an abutment ring 43. One end of the connecting rod 46 is connected to the abutment ring 43, and the other end is connected to the heating valve 45.

[0073] like Figure 2-5 As shown, the heating valve 45 is used to control the opening and closing of the heater outlet 12. The heating valve 45 is connected to the abutment ring 43 through the connecting rod 46. The control rod 41 can simultaneously control the movement of the heating valve 45 and the small circulation valve 42, thereby simultaneously controlling the opening and closing of the small circulation outlet 14 and the heater outlet 12, which improves the working efficiency of the thermostat.

[0074] The first control component 3 works in conjunction with the second control component 4 to control the opening and closing of the large circulation valve 31, the small circulation valve 42, and the heating valve 45 through the temperature sensing push rod 32 and the control rod 41. This enables the thermostat to have multiple temperature control modes, allowing it to heat the engine and cool it to different degrees, thus improving the functionality of the thermostat and improving the engine's working efficiency.

[0075] Example 3:

[0076] This embodiment provides a multi-mode thermostat, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0077] The exhaust system includes:

[0078] An exhaust pipe 51 is mounted on a bracket 2. The top of the exhaust pipe 51 has an air outlet 53, and the bottom of the exhaust pipe 51 has an air inlet 52.

[0079] like Figure 2-4As shown, the exhaust pipe 51 passes through the bracket 2 and is fixed to the bracket 2. The air outlet 53 is located at the end of the exhaust pipe 51 facing the large circulation outlet 13, and the air inlet 52 is located at the end of the exhaust pipe 51 facing the small circulation outlet 14. When the large circulation outlet 13 is closed, the water flowing through the small circulation outlet 14, the water inlet 11, and the heater outlet 12 may generate gas, causing excessive pressure in the thermostat and damaging the thermostat. The exhaust pipe 51 allows the gas to pass through, ensuring the pressure balance in each structure of the thermostat, thereby improving the stability and working efficiency of the thermostat.

[0080] The exhaust system also includes:

[0081] A float 54 is installed inside the exhaust pipe 51. The diameter of the float 54 is smaller than the inner diameter of the exhaust pipe 51, and the diameter of the float 54 is larger than the inner diameter of the air inlet 52 and the air outlet 53.

[0082] like Figure 2-4 As shown, the float 54 is installed inside the vent pipe 51 and can move freely within it. When the large circulation valve 31 is closed, gas in the water inside the housing 1 enters the vent pipe 51 and flows through it to the large circulation outlet 13. Simultaneously, water enters the vent pipe 51 and causes the float 54 to rise, blocking the vent hole 53 and preventing water from flowing out. This effectively improves the pressure balance within the thermostat housing 1 and enhances the stability of the thermostat.

[0083] The housing 1 includes an upper housing 15 and a lower housing 16. Both the upper housing 15 and the lower housing 16 are provided with connecting protrusions 17, and bolts are provided in the connecting protrusions 17. The upper housing 15 and the lower housing 16 are threadedly connected.

[0084] like Figure 1-5 As shown, a cavity is provided between the upper shell 15 and the lower shell 16, and the valve mechanism is located in the cavity. The large circulation outlet 13 is located on the upper shell 15, and the water inlet 11, the small circulation outlet 14 and the heater outlet 12 are located on the lower shell 16. The connecting protrusion 17 is annular, and the upper shell 15 and the lower shell 16 are threaded together, which facilitates disassembly and replacement and improves the maintenance efficiency of the thermostat.

[0085] A sealing ring is provided between the upper shell 15 and the lower shell 16 to prevent liquid leakage in the pipeline from polluting the environment when the thermostat is working, thereby improving the safety of the thermostat operation.

[0086] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape, and principle of the present utility model should be covered within the scope of protection of the present utility model.

Claims

1. A multi-mode thermostat, characterized in that, include: The housing (1) is provided with a water inlet (11), a heater outlet (12), a large circulation outlet (13) and a small circulation outlet (14). The water inlet (11) is located on the side of the housing (1), the large circulation outlet (13) is located on the top of the housing (1), and the heater outlet (12) and the small circulation outlet (14) are located on the bottom of the housing (1). The valve mechanism includes a bracket (2), a first control component (3) and a second control component (4). The bracket (2) is disposed inside the housing (1), the first control component (3) is disposed inside the bracket (2), and the second control component (4) is disposed below the bracket (2). An exhaust mechanism is mounted on the bracket (2); The first control component (3) is used to control the opening and closing of the large circulation outlet (13), and the second control component (4) is used to control the opening and closing of the small circulation outlet (14) and the heater outlet (12).

2. The multi-mode thermostat according to claim 1, characterized in that, The first control component (3) includes: A large circulation valve (31) is installed inside the bracket (2), and the large circulation valve (31) is installed at the bottom of the large circulation outlet (13); Temperature sensing push rod (32), one end of which passes through the large circulation valve (31) and is connected to the top of the bracket (2), and the other end extends downward through the bracket (2); The first spring (33) is disposed inside the bracket (2). The first spring (33) is sleeved on the temperature sensing push rod (32). One end of the first spring (33) is connected to the large circulation valve (31), and the other end is connected to the bottom of the bracket (2).

3. The multi-mode thermostat according to claim 2, characterized in that, The second control component (4) includes: A control lever (41) is located at the bottom of the temperature-sensing push rod (32), and the control lever (41) is connected to the temperature-sensing push rod (32); The small circulation valve (42) is located at the bottom of the control lever (41) and above the small circulation outlet (14); An abutment ring (43) is disposed above the small circulation valve (42), and the abutment ring (43) is sleeved on the control rod (41); The second spring (44) is located above the small circulation valve (42). The second spring (44) is sleeved on the control rod (41). One end of the second spring (44) is connected to the bottom of the bracket (2), and the other end is connected to the top of the abutment ring (43).

4. The multi-mode thermostat according to claim 3, characterized in that, The second control component (4) further includes: A heating valve (45) is disposed above the heater outlet (12); A connecting rod (46) is disposed on the abutment ring (43). One end of the connecting rod (46) is connected to the abutment ring (43), and the other end is connected to the heating valve (45).

5. The multi-mode thermostat according to claim 1, characterized in that, The exhaust mechanism includes: An exhaust pipe (51) is provided on the bracket (2). The top of the exhaust pipe (51) is provided with an air outlet (53), and the bottom of the exhaust pipe (51) is provided with an air inlet (52).

6. The multi-mode thermostat according to claim 5, characterized in that, The exhaust mechanism also includes: A float (54) is disposed inside the exhaust pipe (51). The diameter of the float (54) is smaller than the inner diameter of the exhaust pipe (51), and the diameter of the float (54) is larger than the inner diameter of the air inlet (52) and the air outlet (53).

7. The multi-mode thermostat according to claim 1, characterized in that, The housing (1) includes an upper shell (15) and a lower shell (16). Both the upper shell (15) and the lower shell (16) are provided with connecting protrusions (17). Bolts are provided in the connecting protrusions. The upper shell (15) and the lower shell (16) are threadedly connected.

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