A thermostat cover

Abstract

The present invention provides a thermostat cover, which relates to the field of automobile cooling systems, including a shell, a water storage chamber is provided inside the shell, a connecting flange is provided on the top of the shell, a lug is provided on the outer side wall of the connecting flange, a mounting hole is provided on the lug in the vertical direction, a groove is provided on the connecting flange, a fixing plate is provided inside the water storage chamber, a central axis is provided in the middle of the fixing plate, the bottom of the central axis is connected to the upper surface of the fixing plate, the outer side wall of the water storage chamber is connected to one end of the pipe body, a water outlet is provided in the groove, a pipe valve is provided inside the water storage chamber, the pipe valve includes a fixing ring, a connecting ring is provided in the middle of the fixing ring, the central axis is penetrated and arranged in the connecting ring and a sleeve, the sleeve is provided with a first placement hole and a second placement hole, the first placement hole and the second placement hole are provided with a retaining ring, a spring and a thermostat are provided inside the central axis, the bottom of the spring is connected to the lower surface inside the central axis, and the top is connected to the bottom of the thermostat. The present invention is easy to disassemble and install, convenient for replacing damaged parts, and simple to operate.

Description

Technical Field

[0001] The invention belongs to the field of automobile cooling systems, and in particular relates to a thermostat cover. Background Art

[0002] The thermostat automatically adjusts the amount of water entering the radiator according to the cooling water temperature to ensure that the engine works within the appropriate temperature range, which can save energy. The engine consumes a lot of fuel at low temperatures, and low temperatures cause great damage to the car, including the generation of carbon deposits and a series of other problems. During use, the thermostat is equipped with a thermostat cover on the outside. The thermostat cover is generally cast from aluminum alloy. The existing thermostat cover is usually composed of an upper shell and a lower shell. When replacing damaged parts, the entire shell needs to be disassembled, which is inconvenient to operate.

[0003] Therefore, it is urgent to provide a thermostat cover that is easy to disassemble and install, convenient to replace damaged parts and simple to operate. Summary of the invention

[0004] The purpose of the present invention is to provide a thermostat cover in view of the shortcomings of the existing thermostat cover.

[0005] The present invention provides the following technical solutions:

[0006] A thermostat cover comprises a shell, a water storage cavity is provided inside the shell, a connecting flange is provided on the top of the shell, a lug is provided on the outer wall of the connecting flange, the lug is provided with a mounting hole in the vertical direction, the upper surface of the connecting flange is provided with a groove recessed toward the inside of the flange in the circumferential direction, a fixing plate is provided in the water storage cavity, the lower surface of the fixing plate is connected to the upper surface of the bottom of the water storage cavity, a central axis is provided in the middle of the fixing plate, the central axis is a hollow cylindrical shape, the bottom of the central axis is connected to the upper surface of the fixing plate, the outer wall of the water storage cavity is connected to one end of the pipe body, and the bottom of the groove is vertically A water outlet is provided, and a pipe valve member is provided inside the water storage chamber, and the pipe valve member includes a fixing ring, a connecting ring is provided in the middle of the fixing ring, the upper surface of the connecting ring is connected to the lower surface of the sleeve, and the central axis passes through the connecting ring and the sleeve, and the top side wall and the middle side wall of the sleeve are respectively provided with a first placement hole and a second placement hole, and the first placement hole and the second placement hole are provided with a retaining spring, and a spring and a thermostat are sequentially provided inside the central axis from bottom to top, the bottom of the spring is connected to the lower surface of the inside of the central axis, and the top is connected to the bottom of the thermostat, and the top of the thermostat is arranged at the outer end of the central axis.

[0007] Preferably, the cross-section of the connecting flange is circular, the number of the lugs is four, and the distances between adjacent lugs are equal.

[0008] Preferably, the cross section of the fixing plate is circular, and the outer diameter of the fixing plate is the same as the inner diameter of the connecting flange.

[0009] Preferably, the pipe valve member is made of stainless steel.

[0010] Preferably, the outer diameter of the fixing ring is the same as the inner diameter of the connecting flange.

[0011] Preferably, the plane where the bottom of the connecting ring is located is arranged above the plane where the bottom of the fixing ring is located and the two planes are parallel to each other. The outer wall of the connecting ring is connected to the inner wall of the bottom of the fixing ring through connecting ribs. The number of the connecting ribs is four, and the distances between adjacent connecting ribs are the same.

[0012] Preferably, the sleeve is a hollow cylinder, the inner diameter of the connecting ring is the same as the inner diameter of the sleeve, the outer diameter of the center axis is smaller than the inner diameter of the sleeve, the number of the first placement holes is two, the two first placement holes are symmetrically arranged with the central axis of the sleeve in the vertical direction as the axis of symmetry, and the second placement hole is arranged below the first placement hole.

[0013] The beneficial effects of the present invention are as follows: a fixing plate is arranged in the water storage chamber, the bottom of the central axis is fixedly connected to the upper surface of the fixing plate, the pipe valve member is placed in the water storage chamber, the central axis passes through the connecting pipe and the pipe sleeve at the bottom of the pipe valve member in sequence, so that the lower surface of the bottom of the fixing ring is connected to the upper surface of the fixing plate, and a retaining spring is used to fix the relative position of the pipe sleeve and the central axis through the first placement hole and the second placement hole; a spring is placed in the central axis. The length of the spring in the vertical direction is less than the length of the central axis in the vertical direction. The thermostat is placed inside the central axis, the bottom of the thermostat is against the top of the spring, the spring is not completely compressed, and the top of the thermostat is located outside the central axis when it is stationary; the flange on the top of the shell is connected to the engine shell in the vehicle through the mounting hole with bolts. If the thermostat is damaged during use, it can be quickly disassembled for replacement and installation; when the temperature of the engine is low when the vehicle is just started, the coolant enters the water storage cavity of the shell from the pipe body, flows out through the water outlet, and flows through the auxiliary valve of the thermostat for small circulation; when the temperature of the engine is high, the thermostat plays a role in closing the auxiliary valve of the thermostat, the push rod of the thermostat presses the thermostat downward, the spring is compressed, the top of the thermostat enters the central axis, the main valve opens, and the coolant flows through the engine shell for large circulation cooling. When the temperature of the engine returns to a low temperature, the push rod of the thermostat moves toward the inside of the thermostat, the spring expands, and the thermostat returns to its original position, and continues to cool in a small cycle, which is simple to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 is a top view of the present invention;

[0016] Figure 2 It is a structural schematic diagram of the housing in the present invention;

[0017] Figure 3 It is an enlarged structural schematic diagram of the pipe valve member in the present invention.

[0018] The markings in the figure are: 1. Shell; 2. Connecting flange; 3. Lug; 4. Mounting hole; 5. Groove; 6. Fixing plate; 7. Center axis; 8. Tube body; 9. Water outlet; 10. Fixing ring; 11. Connecting ring; 12. Sleeve; 13. First placement hole; 14. Second placement hole; 15. Temperature controller; 16. Connecting rib. DETAILED DESCRIPTION

[0019] Example

[0020] like Figures 1 to 3 As shown, a thermostat cover comprises a shell 1, a water storage chamber is provided inside the shell 1, a connecting flange 2 is provided on the top of the shell 1, a lug 3 is provided on the outer wall of the connecting flange 2, a mounting hole 4 is provided on the lug 3 in the vertical direction, a groove 5 is provided on the upper surface of the connecting flange 2 in the circumferential direction and is recessed toward the inside of the flange, a fixing plate 6 is provided in the water storage chamber, a lower surface of the fixing plate 6 is connected to the upper surface of the bottom of the water storage chamber, a central axis 7 is provided in the middle of the fixing plate 6, the central axis 7 is a hollow cylindrical shape, the bottom of the central axis 7 is connected to the upper surface of the fixing plate 6, the outer wall of the water storage chamber is connected to one end of a pipe body 8, and a water outlet is provided at the bottom of the groove 5 in the vertical direction 9. A pipe valve is provided inside the water storage chamber, and the pipe valve includes a fixing ring 10. A connecting ring 11 is provided in the middle of the fixing ring 10. The upper surface of the connecting ring 11 is connected to the lower surface of the sleeve 12. The central axis 7 passes through the connecting ring 11 and the sleeve 12. The top side wall and the middle side wall of the sleeve 12 are respectively provided with a first placement hole 13 and a second placement hole 14. The first placement hole 13 and the second placement hole 14 are provided with a retaining spring. A spring and a thermostat 15 are sequentially provided inside the central axis 7 from bottom to top. The bottom of the spring is connected to the lower surface of the inside of the central axis 7, and the top is connected to the bottom of the thermostat 15. The top of the thermostat 15 is arranged at the outer end of the central axis 7.

[0021] The cross section of the connecting flange 2 is circular, the number of lugs 3 is four, and the distances between adjacent lugs 3 are equal, so as to facilitate firm fixation. The cross section of the fixing plate 6 is circular, and the outer diameter of the fixing plate 6 is the same as the inner diameter of the connecting flange 2. The material of the pipe valve is stainless steel. The outer diameter of the fixing ring 10 is the same as the inner diameter of the connecting flange 2, so as to facilitate placement in the water storage cavity. The plane where the bottom of the connecting ring 11 is located is arranged above the plane where the bottom of the fixing ring 10 is located, and the two planes are parallel to each other. The outer side wall of the connecting ring 11 is connected to the inner side wall of the bottom of the fixing ring 10 through the connecting ribs 16. The number of the connecting ribs 16 is four, and the distances between adjacent connecting ribs 16 are the same. The sleeve 12 is a hollow cylindrical shape, the inner diameter of the connecting ring 11 is the same as that of the sleeve 12, the outer diameter of the central shaft 7 is smaller than that of the sleeve 12, the number of the first placement holes 13 is two, the two first placement holes 13 are symmetrically arranged with the central axis of the sleeve 12 in the vertical direction as the symmetry axis, the second placement hole 14 is arranged below the first placement hole 13, the pipe valve member is placed in the water storage cavity, the central shaft 7 passes through the connecting pipe and the pipe sleeve at the bottom of the pipe valve member in sequence, so that the lower surface of the bottom of the fixing ring 10 is connected to the upper surface of the fixing plate 6, and the relative position of the pipe sleeve and the central shaft 7 is fixed by a retaining spring through the first placement hole 13 and the second placement hole 14; a spring is placed in the central shaft 7. The length of the spring in the vertical direction is smaller than that of the central shaft 7 in the vertical direction, the thermostat 15 is placed inside the central shaft 7, the bottom of the thermostat 15 is against the top of the spring, the spring is not completely compressed, and the top of the thermostat 15 is arranged outside the central shaft 7 when it is stationary.

[0022] The usage of the present invention is as follows: the fixing plate 6 is arranged in the water storage chamber, the bottom of the central axis 7 is fixedly connected to the upper surface of the fixing plate 6, the pipe valve member is placed in the water storage chamber, the central axis 7 passes through the connecting pipe and the pipe sleeve at the bottom of the pipe valve member in sequence, so that the lower surface of the bottom of the fixing ring 10 is connected to the upper surface of the fixing plate 6, and the relative position of the pipe sleeve and the central axis 7 is fixed by a retaining spring through the first placement hole 13 and the second placement hole 14; a spring is placed in the central axis 7. The length of the spring in the vertical direction is less than the length of the central axis 7 in the vertical direction. The thermostat 15 is placed inside the central axis 7, and the bottom of the thermostat 15 is against the top of the spring, and the spring is not completely compressed. When it is stationary, the top of the thermostat 15 is arranged outside the central axis 7; the flange on the top of the shell 1 is connected to the engine shell in the vehicle through the mounting hole 4 with bolts. When the vehicle is just started and the temperature of the engine is low, the coolant enters the water storage cavity of the shell 1 from the pipe body 8, flows out through the water outlet 9, and flows through the auxiliary valve of the thermostat for small circulation; when the temperature of the engine is high, the thermostat 15 plays a role in closing the auxiliary valve of the thermostat, and the push rod of the thermostat presses the thermostat 15 downward, the spring is compressed, the top of the thermostat 15 enters the central axis 7, the main valve is opened, and the coolant flows through the engine shell for large circulation cooling. When the temperature of the engine returns to a low temperature, the push rod of the thermostat moves toward the inside of the thermostat, the spring expands, and the thermostat 15 returns to its original position to continue the small circulation cooling.

[0023] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A thermostat cover, characterized in that: The invention comprises a shell, wherein a water storage cavity is arranged inside the shell, a connecting flange is arranged on the top of the shell, an outer wall of the connecting flange is arranged with a lug, the lug is arranged with a mounting hole in the vertical direction, the upper surface of the connecting flange is arranged with a groove sunken into the inner part of the flange in the circumferential direction, a fixing plate is arranged in the water storage cavity, the lower surface of the fixing plate is connected to the upper surface of the bottom of the water storage cavity, a central axis is arranged in the middle of the fixing plate, the central axis is a hollow cylindrical shape, the bottom of the central axis is connected to the upper surface of the fixing plate, the outer wall of the water storage cavity is connected to one end of the pipe body, and the bottom of the groove is arranged with a groove in the vertical direction. A water hole, a pipe valve member is provided inside the water storage cavity, the pipe valve member includes a fixing ring, a connecting ring is provided in the middle of the fixing ring, the upper surface of the connecting ring is connected to the lower surface of the sleeve, the central axis is provided through the connecting ring and the sleeve, the top side wall and the middle side wall of the sleeve are respectively provided with a first placement hole and a second placement hole, the first placement hole and the second placement hole are provided with a retaining spring, a spring and a thermostat are provided in sequence from bottom to top inside the central axis, the bottom of the spring is connected to the lower surface of the inside of the central axis, the top is connected to the bottom of the thermostat, and the top of the thermostat is provided at the outer end of the central axis; The cross section of the fixing plate is circular, and the outer diameter of the fixing plate is the same as the inner diameter of the connecting flange; The pipe valve member is made of stainless steel.

2. A thermostat cover according to claim 1, characterized in that: The cross section of the connecting flange is circular, the number of the lugs is four, and the distances between adjacent lugs are equal.

3. The thermostat cover according to claim 1, characterized in that: The outer diameter of the fixing ring is the same as the inner diameter of the connecting flange.

4. A thermostat cover according to claim 1, characterized in that: The plane where the bottom of the connecting ring is located is arranged above the plane where the bottom of the fixing ring is located and the two planes are parallel to each other. The outer wall of the connecting ring is connected to the inner wall of the bottom of the fixing ring through connecting ribs. The number of the connecting ribs is four, and the distances between adjacent connecting ribs are the same.

5. The thermostat cover according to claim 1, characterized in that: The sleeve is a hollow cylindrical shape, the inner diameter of the connecting ring is the same as the inner diameter of the sleeve, the outer diameter of the central axis is smaller than the inner diameter of the sleeve, the number of the first placement holes is two, the two first placement holes are symmetrically arranged with the central axis of the sleeve in the vertical direction as the symmetry axis, and the second placement hole is arranged below the first placement hole.

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