Engine cooling liquid flow adjusting device capable of achieving dynamic adjustment

Abstract

The invention provides a dynamically adjustable engine coolant flow adjusting device which comprises a cooling water pump, a water inlet pipe, a flow adjusting device, a fastener, an engine body, a water outlet pipe and a base, the cooling water pump is connected with the flow adjusting device through the water inlet pipe, and the flow adjusting device is connected with the engine body through the fastener. The water outlet pipe is installed on the engine body. The device has the beneficial effects that the flow adjusting device is additionally arranged at the water inlet of the engine, the spring of the flow adjusting device is made of a temperature sensing material, the spring rigidity is reduced along with temperature rise, the opening degree of the valve body is adjusted in real time according to different cooling liquid temperatures in the engine operation process, cooling liquid flow is controlled in real time, and the engine cooling requirements under different working conditions are met.

Description

Technical Field

[0001] The invention belongs to the technical field of engine cooling, and in particular relates to a dynamically adjusted engine coolant flow regulating device. Background Art

[0002] At present, engines generally use wax thermostats. The opening temperature of the thermostat is a fixed value, and there is a lag in the adjustment, which makes it impossible to achieve dynamic adjustment of the cooling temperature, resulting in a long warm-up time of the engine at low temperature and overcooling at high speed and low load. Summary of the invention

[0003] In view of this, the present invention aims to provide a dynamically adjustable engine coolant flow regulating device to solve at least one problem existing in the above-mentioned prior art.

[0004] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0005] A dynamically adjustable engine coolant flow regulating device comprises a cooling water pump, a water inlet pipe, a flow regulating device, fasteners, an engine body, a water outlet pipe and a base, wherein the cooling water pump is connected to the flow regulating device via the water inlet pipe, the flow regulating device is connected to the engine body via the fasteners, and the water outlet pipe is installed on the engine body.

[0006] Furthermore, the flow regulating device includes a valve body and a spring, and the valve body is pressed against the base by the spring force.

[0007] Furthermore, the spring adopts a temperature sensing spring, and the spring stiffness is adjusted by the coolant temperature to adjust the valve body opening, thereby adjusting the coolant temperature in real time.

[0008] Furthermore, a water hole is provided on the valve body, and the water hole is used to ensure that the coolant enters the cooling water cavity of the engine body during the engine starting process.

[0009] Furthermore, the flow regulating device also includes a guide rod, which is installed in the spring and the bottom of the guide rod is installed on the base.

[0010] Furthermore, the length of the guide rod is smaller than the length of the spring in a natural state.

[0011] Furthermore, the coolant is pressurized by a cooling water pump and sequentially enters the water inlet pipe, the flow regulating device, the engine body and the water outlet pipe to complete the cooling of the engine body, and the valve body opening is adjusted by using the spring stiffness change with temperature characteristics.

[0012] Compared with the prior art, the dynamically adjusted engine coolant flow regulating device of the present invention has the following advantages:

[0013] The present invention discloses a dynamically adjustable engine coolant flow regulating device. A flow regulating device is added to the engine water inlet. The spring of the flow regulating device is made of temperature-sensitive material. As the temperature increases, the spring stiffness decreases. During the operation of the engine, the valve body opening is adjusted in real time according to different coolant temperatures to control the coolant flow in real time, thereby meeting the engine cooling requirements under different working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention;

[0016] Figure 2 This is a schematic diagram of the water inlet of the overall structure according to an embodiment of the present invention;

[0017] Figure 3 This is a schematic diagram of the water outlet of the overall structure described in an embodiment of the present invention.

[0018] Description of reference numerals:

[0019] 1. Cooling water pump; 2. Water inlet pipe; 3. Flow regulating device; 4. Fasteners; 5. Engine body; 6. Water outlet pipe; 7. Base; 8. Valve body; 9. Spring; 10. Guide rod. DETAILED DESCRIPTION

[0020] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0023] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0024] like Figures 1 to 3 As shown, a dynamically adjustable engine coolant flow regulating device is composed of a cooling water pump 1, a water inlet pipe 2, a flow regulating device 3, a fastener 4, an engine body 5, a water outlet pipe 6, a base 7, a valve body 8, a spring 9 and a guide rod 10.

[0025] In a preferred embodiment of the present invention, the spring 9 is a temperature-sensing spring, and the stiffness of the spring 9 is adjusted by the coolant temperature to adjust the valve body opening and adjust the coolant temperature in real time.

[0026] In a preferred embodiment of the present invention, the cooling water pump 1 is connected to the flow regulating device 3 through the water inlet pipe 2, the flow regulating device 3 is connected to the engine body 5 through the fastener 4, the water outlet pipe 6 is installed on the engine body 5, the flow regulating device 3 includes a valve body 8, a spring 9 and a guide rod 10, the valve body 8 is pressed against the base 7 by the spring force of the spring 9, the guide rod 10 is installed in the spring 9, and the bottom of the guide rod 10 is installed to the base 7.

[0027] In a preferred embodiment of the present invention, the coolant is pressurized by a cooling water pump 1 and sequentially enters the water inlet pipe 2, the flow regulating device 3, the engine body 5 and the water outlet pipe 6 to complete the cooling of the engine body 5. The temperature-dependent stiffness variation of the spring 9 is used to adjust the valve body opening. A water hole is added to the valve body 5 to ensure that the coolant enters the cooling water chamber of the engine body during the engine starting process.

[0028] The advantages of the present invention are as follows: a flow regulating device 3 is added to the water inlet of the engine, and the spring 9 of the flow regulating device 3 is made of temperature-sensitive material. As the temperature increases, the spring stiffness decreases. During the operation of the engine, the valve body opening is adjusted in real time according to different coolant temperatures to control the coolant flow in real time, thereby meeting the engine cooling requirements under different working conditions.

[0029] The invention utilizes the characteristic that spring stiffness changes with temperature to adjust the valve body opening, realizes dynamic adjustment of coolant flow and temperature, and is applied to an engine cooling system.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dynamically adjusted engine coolant flow regulating device, characterized in that: The invention comprises a cooling water pump (1), a water inlet pipe (2), a flow regulating device (3), a fastener (4), an engine body (5), a water outlet pipe (6) and a base (7); the cooling water pump (1) is connected to the flow regulating device (3) via the water inlet pipe (2); the flow regulating device (3) is connected to the engine body (5) via the fastener (4); and the water outlet pipe (6) is mounted on the engine body (5).

2. A dynamically adjustable engine coolant flow regulating device according to claim 1, characterized in that: The flow regulating device (3) comprises a valve body (8) and a spring (9), and the valve body (8) is pressed against the base (7) by the spring force of the spring (9).

3. A dynamically adjustable engine coolant flow regulating device according to claim 1, characterized in that: The spring (9) is a temperature sensing spring (9), and the stiffness of the spring (9) is adjusted by the temperature of the coolant to adjust the opening of the valve body (8), thereby adjusting the coolant temperature in real time.

4. A dynamically adjustable engine coolant flow regulating device according to claim 1, characterized in that: The valve body (8) is provided with a water through hole, and the water through hole is used to ensure that the coolant enters the cooling water cavity of the engine body (5) during the engine starting process.

5. The dynamically adjustable engine coolant flow regulating device according to claim 1, characterized in that: The flow regulating device (3) further comprises a guide rod (10), wherein the guide rod (10) is installed in the spring (9), and the bottom of the guide rod (10) is installed on the base (7).

6. A dynamically adjustable engine coolant flow regulating device according to claim 5, characterized in that: The length of the guide rod (10) is smaller than the length of the spring (9) in a natural state.

7. The dynamically adjustable engine coolant flow regulating device according to claim 1, characterized in that: The coolant is pressurized by a cooling water pump (1) and sequentially enters a water inlet pipe (2), a flow regulating device (3), an engine body (5) and a water outlet pipe (6), thereby completing the cooling of the engine body (5). The opening of the valve body (8) is adjusted by using the characteristic that the stiffness of the spring (9) changes with temperature.

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