Valve special for alcohol-based liquid fuel heating furnace

Abstract

The special valve for the alcohol-based liquid fuel heating furnace comprises a valve cover, a lower valve body is arranged on the lower surface of the valve cover, a fixing pipe is fixedly connected to the inner side surface of the valve cover, the outer wall of the fixing pipe is fixedly sleeved with a dial, the inner side surface of the fixing pipe is rotationally connected with an adjusting shaft, and a rotary knob is clamped to the outer side of the top end of the adjusting shaft; an oil cavity is formed in the lower valve body, a lower valve plate is fixedly installed on the inner wall of the oil cavity, a rotary valve plate is arranged on the top of the lower valve plate, a spring located on the outer side of the adjusting shaft is fixedly connected to the inner wall of the valve deck, and the lower end of the spring abuts against the upper end face of the rotary valve plate. An oil through hole is formed in the rotary valve plate; a first through hole, a second through hole, a third through hole and a fourth through hole are formed in the lower valve plate; by manually rotating the knob, the flow velocity of the liquid fuel can be adjusted at multiple gears when the liquid fuel flows out, the overall flexibility is higher, and actual use is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of heating stove valve technology, and more specifically, to a valve for alcohol-based liquid fuel heating stoves. Background Technology

[0002] Alcohol-based liquid fuels are mainly liquid fuels blended with methanol and ethanol. Methanol is the simplest saturated fatty alcohol, with the molecular formula CH3OH and a relative molecular mass of 32.04. At room temperature and pressure, pure methanol is a colorless, transparent, volatile, flammable, and slightly alcoholic odorous toxic liquid. Most alcohol-based liquid fuels are methanol-based, with a small amount of industrial ethanol added. Due to the lower calorific value of methanol, the fuel consumption of blended alcohol-based liquid fuels is theoretically more than 1.8 times that of diesel fuel. Alcohol-based liquid fuel heating stoves require the installation of dedicated valves for practical use. However, existing technologies have the following shortcomings in use:

[0003] Most existing valve bodies are often unable to control and adjust the flow rate of liquid fuel according to actual needs during use. If the flow rate is too fast, it will cause an imbalance in the fuel-air mixing ratio, resulting in incomplete combustion. The valve body has poor flexibility in use and is difficult to meet actual needs.

[0004] Therefore, there is an urgent need for a special valve for alcohol-based liquid fuel heating stoves to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to address the problem that most existing valve bodies often cannot control and adjust the flow rate of liquid fuel according to actual needs during use. If the flow rate is too fast, it will cause an imbalance in the fuel-air mixing ratio, resulting in incomplete combustion. The valve body has poor flexibility during use and cannot meet actual needs well.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A special valve for alcohol-based liquid fuel heating stoves to improve the above-mentioned problems.

[0008] The application is as follows:

[0009] A valve for an alcohol-based liquid fuel heating stove includes a valve cover, a lower valve body on the lower surface of the valve cover, a fixed tube fixedly connected to the inner surface of the valve cover, a scale plate fixedly sleeved on the outer wall of the fixed tube, an adjusting shaft rotatably connected to the inner surface of the fixed tube, a knob fixedly mounted on the outer side of the top of the adjusting shaft, a scale pointer fixedly sleeved on the adjusting shaft directly above the scale plate, an oil chamber inside the lower valve body, a lower valve plate fixedly mounted on the inner wall of the oil chamber, a rotating valve plate on the top of the lower valve plate, a spring fixedly connected to the inner wall of the valve cover on the outer side of the adjusting shaft, the lower end of the spring abutting against the upper surface of the rotating valve plate, an oil passage hole on the rotating valve plate, a first through hole, a second through hole, a third through hole and a fourth through hole on the lower valve plate, a first annular groove and a second annular groove on the lower surface of the rotating valve plate, and a first sealing ring and a second sealing ring fixedly connected to the top of the lower valve plate.

[0010] As a preferred technical solution of this application, an oil inlet and an oil outlet are respectively installed on the valve cover and the lower valve body, with the oil inlet located above the oil outlet.

[0011] As a preferred technical solution of this application, the outer surface of the adjusting shaft has two parallel third annular grooves, and the inner surface of the fixing tube is fixedly connected with two parallel third sealing rings. The two third sealing rings are respectively located in the two third annular grooves, and the outer surface of the third sealing rings is in contact with the inner surface of the third annular grooves.

[0012] As a preferred technical solution of this application, the lower end of the adjusting shaft is clamped and installed on the inner surface of the rotary valve plate, and the adjusting shaft is in contact with the upper end surface of the rotary valve plate, and the lower end surface of the rotary valve plate is in contact with the upper end surface of the lower valve plate.

[0013] As a preferred technical solution of this application, the first perforation, the second perforation, the third perforation and the fourth perforation are arranged in an arc shape, the diameter of the first perforation is smaller than the diameter of the second perforation, the diameter of the second perforation is smaller than the diameter of the third perforation, the diameter of the third perforation is smaller than the diameter of the fourth perforation, and the diameter of the oil passage hole is larger than the diameter of the third perforation.

[0014] As a preferred technical solution of this application, the first sealing ring is located in the first annular groove, and the outer surface of the first sealing ring is in contact with the inner surface of the first annular groove; the second sealing ring is located in the second annular groove, and the outer surface of the second sealing ring is in contact with the inner surface of the second annular groove.

[0015] As a preferred technical solution of this application, a fourth annular groove is provided on the upper surface of the inner side of the oil cavity, and a fourth sealing ring is provided inside the fourth annular groove. The fourth sealing ring is in contact with the lower end face of the lower valve plate.

[0016] As a preferred technical solution of this application, the lower valve body is threadedly connected to the valve cover, a fifth sealing ring is provided between the lower valve body and the valve cover, the outer surface of the fifth sealing ring is in contact with the lower valve body and the valve cover, and the upper end face of the lower valve body is in contact with the valve cover.

[0017] As a preferred technical solution of this application, the lower valve plate is provided with a pin that runs vertically through it.

[0018] As a preferred technical solution of this application, a connecting piece is fixedly installed at the bottom of the lower valve body, and two fixing nails are provided on the connecting piece.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0020] 1. Through the combination of a dial, adjusting shaft, knob, scale pointer, lower valve plate, rotating valve plate, spring, oil passage hole, first through hole, second through hole, third through hole, fourth through hole, first annular groove, second annular groove, first sealing ring, second sealing ring, oil inlet and oil outlet, the flow rate of liquid fuel can be adjusted in multiple levels by manually turning the knob, which is beneficial for practical use.

[0021] 2. By adjusting the shaft and spring, the lower end face of the rotary valve plate can be made to fit against the upper end face of the lower valve plate. With the cooperation of the first annular groove, the second annular groove, the first sealing ring and the second sealing ring, the sealing performance when the rotary valve plate and the lower valve plate are in contact can be guaranteed.

[0022] 3. The fifth sealing ring ensures the sealing of the connection between the lower valve body and the valve cover, preventing liquid fuel in the oil chamber from leaking out between the lower valve body and the valve cover.

[0023] 4. The adjusting shaft can be axially positioned by the cooperation of two third annular grooves and two third sealing rings. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the valve for an alcohol-based liquid fuel heating stove provided in this application.

[0025] Figure 2 This is a schematic cross-sectional view of the valve cover and lower valve body in the valve for an alcohol-based liquid fuel heating stove provided in this application.

[0026] Figure 3 A top view of the valve for an alcohol-based liquid fuel heating stove provided in this application.

[0027] Figure 4 for Figure 2 A magnified structural diagram of part A in the middle.

[0028] Figure 5A schematic diagram of the separation structure of the rotary valve plate and the lower valve plate in the valve for alcohol-based liquid fuel heating stove provided in this application.

[0029] Figure 6 A schematic diagram showing the connection structure between the lower valve plate, the first sealing ring, and the second sealing ring in the valve for alcohol-based liquid fuel heating stoves provided in this application.

[0030] Figure 7 This is a schematic diagram of the lower valve body of the valve for the alcohol-based liquid fuel heating stove provided in this application.

[0031] Figure 8 A schematic diagram of the separation structure of the regulating shaft, knob, and rotating valve plate in the valve for the alcohol-based liquid fuel heating stove provided in this application.

[0032] The image shows:

[0033] 1. Valve cover; 2. Lower valve body; 3. Fixing tube; 4. Dial; 5. Adjusting shaft; 6. Knob; 7. Scale pointer; 8. Lower valve plate; 9. Rotary valve plate; 10. Spring; 11. Oil passage hole; 12. First through hole; 13. Second through hole; 14. Third through hole; 15. Fourth through hole; 16. First annular groove; 17. Second annular groove; 18. First sealing ring; 19. Second sealing ring; 20. Oil inlet; 21. Oil outlet; 22. Third annular groove; 23. Third sealing ring; 24. Fourth annular groove; 25. Fourth sealing ring; 26. Fifth sealing ring; 27. Pin. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.

[0035] In the description of this utility model, it should be noted that the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. These terms are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0036] Example:

[0037] like Figure 1-8As shown, the alcohol-based liquid fuel heater valve proposed in this embodiment includes a valve cover 1, a lower valve body 2 on the lower surface of the valve cover 1, an oil inlet 20 and an oil outlet 21 respectively installed on the valve cover 1 and the lower valve body 2, with the oil inlet 20 located above the oil outlet 21. The oil inlet 20 facilitates the injection of liquid fuel into the oil chamber. A fixing tube 3 is fixedly connected to the inner surface of the valve cover 1, and a scale 4 is fixedly sleeved on the outer wall of the fixing tube 3. Numbers one through four are engraved on the upper surface of the scale 4. An adjusting shaft 5 is rotatably connected to the inner surface of the fixing tube 3, and a knob 6 is mounted on the outer side of the top of the adjusting shaft 5. A knob 6 is fixedly sleeved on the adjusting shaft 5 directly above the scale 4. The scale pointer 7 is located inside the lower valve body 2, which has an oil chamber. A lower valve plate 8 is fixedly installed on the inner wall of the oil chamber, and a rotary valve plate 9 is installed on the top of the lower valve plate 8. When liquid fuel needs to be discharged, the knob 6 is turned, which drives the adjusting shaft 5 and the rotary valve plate 9 to rotate. The scale pointer 7 rotates synchronously with the adjusting shaft 5. A spring 10 located outside the adjusting shaft 5 is fixedly connected to the inner wall of the valve cover 1. When the rotary valve plate 9 rotates, the position of its oil passage hole 11 in the oil chamber will change. The lower end of the spring 10 abuts against the upper end face of the rotary valve plate 9. Through the elastic force of the spring 10, a downward force can be applied to the rotary valve plate 9, so that the rotary valve plate 9 can always be rotated. The lower valve plate 8 is in contact with the rotary valve plate 9, which has an oil passage hole 11. The lower valve plate 8 has a first through hole 12, a second through hole 13, a third through hole 14, and a fourth through hole 15. The first through hole 12, the second through hole 13, the third through hole 14, and the fourth through hole 15 are arranged in an arc shape. The diameter of the first through hole 12 is smaller than that of the second through hole 13, the diameter of the second through hole 13 is smaller than that of the third through hole 14, the diameter of the third through hole 14 is smaller than that of the fourth through hole 15, and the diameter of the oil passage hole 11 is larger than that of the third through hole 14. When the scale pointer 7 is directly above the number one on the scale 4, the oil passage hole 11 is in contact with the first through hole 15 on the lower valve plate 8. When holes 11 and 12 are connected, the liquid fuel in the oil chamber will pass through the oil passage hole 11 and the first through hole 12 and finally be discharged from the oil outlet 21. At this time, the flow rate of the liquid fuel is at the lowest level. The lower surface of the rotary valve plate 9 is provided with a first annular groove 16 and a second annular groove 17. The top of the lower valve plate 8 is fixedly connected with a first sealing ring 18 and a second sealing ring 19. Continue to rotate the knob 6. When the scale pointer 7 is directly above the number two on the scale 4, the oil passage hole 11 and the second through hole 13 are connected. The liquid fuel in the oil chamber will pass through the oil passage hole 11 and the second through hole 13 and finally be discharged from the oil outlet 21. At this time, the flow rate of the liquid fuel increases and belongs to the second level.

[0038] like Figure 2 and Figure 4As shown, two parallel third annular grooves 22 are formed on the outer surface of the adjusting shaft 5, and two parallel third sealing rings 23 are fixedly connected to the inner surface of the fixing tube 3. The two third sealing rings 23 are respectively located in the two third annular grooves 22, and the outer surface of the third sealing rings 23 is in contact with the inner surface of the third annular grooves 22. Through the cooperation of the two third annular grooves 22 and the two third sealing rings 23, the adjusting shaft 5 can be axially positioned.

[0039] like Figure 2 As shown, the lower end of the adjusting shaft 5 is clamped and installed on the inner surface of the rotary valve plate 9, and the adjusting shaft 5 is in contact with the upper surface of the rotary valve plate 9. The lower surface of the rotary valve plate 9 is in contact with the upper surface of the lower valve plate 8. When the adjusting shaft 5 is rotated by the knob 6, the rotary valve plate 9 rotates synchronously with the adjusting shaft 5.

[0040] like Figure 2 , Figure 5 and Figure 6 As shown, the first sealing ring 18 is located in the first annular groove 16, and the outer surface of the first sealing ring 18 is in contact with the inner surface of the first annular groove 16. The second sealing ring 19 is located in the second annular groove 17, and the outer surface of the second sealing ring 19 is in contact with the inner surface of the second annular groove 17. By the cooperation of the first sealing ring 18 and the second sealing ring 19, a double sealing effect can be achieved. When it is not necessary to discharge liquid fuel, the oil passage hole 11 is not connected to the first through hole 12, the second through hole 13, the third through hole 14 and the fourth through hole 15, thereby preventing liquid fuel from passing through the lower valve plate 8.

[0041] like Figure 2 and Figure 7 As shown, a fourth annular groove 24 is provided on the upper surface of the inner side of the oil cavity, and a fourth sealing ring 25 is provided inside the fourth annular groove 24. The fourth sealing ring 25 is in contact with the lower end face of the lower valve plate 8. Through the cooperation of the fourth sealing ring 25 and the fourth annular groove 24, the sealing between the lower valve plate 8 and the upper surface of the inner side of the oil cavity can be guaranteed.

[0042] like Figure 2 As shown, the lower valve body 2 is threadedly connected to the valve cover 1. A fifth sealing ring 26 is provided between the lower valve body 2 and the valve cover 1. The outer surface of the fifth sealing ring 26 is in contact with the lower valve body 2 and the valve cover 1, and the upper end face of the lower valve body 2 is in contact with the valve cover 1. The fifth sealing ring 26 can ensure the sealing of the threaded connection between the lower valve body 2 and the valve cover 1 and prevent fuel leakage.

[0043] like Figure 2 As shown, a pin 27 is vertically inserted through the lower valve plate 8, which can limit the rotation angle of the rotary valve plate 9.

[0044] like Figure 1As shown, a connecting plate is fixedly installed at the bottom of the lower valve body 2. Two fixing nails are provided on the connecting plate. By cooperating with the connecting plate, the lower valve body 2 can be easily fixedly installed at the designated installation position on the alcohol-based liquid fuel heating stove.

[0045] Specifically, when using the special valve for this alcohol-based liquid fuel heater: the lower valve body 2 is fixedly installed on the designated mounting position on the alcohol-based liquid fuel heater by cooperating with the two fixing pins and connecting plates. Liquid fuel is easily injected into the oil chamber through the oil inlet 20. The upper surface of the dial 4 is engraved with numbers one through four. When it is necessary to discharge liquid fuel, the knob 6 is turned, which drives the adjusting shaft 5 and the rotating valve plate 9 to rotate. The scale pointer 7 rotates synchronously with the adjusting shaft 5. When valve plate 9 rotates, the position of its oil passage hole 11 within the oil chamber changes. When the scale pointer 7 is directly above the number one on the scale 4, the oil passage hole 11 connects with the first through hole 12 on the lower valve plate 8. The liquid fuel in the oil chamber will pass through the oil passage hole 11 and the first through hole 12 and finally be discharged from the oil outlet 21. At this time, the flow rate of the liquid fuel is at the lowest setting. Continuing to rotate knob 6, when the scale pointer 7 is directly above the number two on the scale 4, the oil passage hole 11 connects with the second through hole 13. When the oil chamber is connected, the liquid fuel in the oil chamber will pass through the oil passage 11 and the second perforation 13 and finally be discharged from the oil outlet 21. At this time, the flow rate of the liquid fuel increases, which is the second setting. Continue to turn knob 6. When the scale pointer 7 is directly above the number three on the scale 4, the oil passage 11 and the third perforation 14 are connected. The liquid fuel in the oil chamber will pass through the oil passage 11 and the third perforation 14 and finally be discharged from the oil outlet 21. At this time, the flow rate of the liquid fuel increases again, which is the third setting. Continue to turn knob 6. When the pointer 7 is directly above the number four on the dial 4, the oil passage 11 is connected to the fourth through hole 15. The liquid fuel in the oil chamber will pass through the oil passage 11 and the fourth through hole 15 and finally be discharged from the oil outlet 21. At this time, the flow rate of the liquid fuel is at its maximum value, which is the fourth setting. There are a total of four flow rate settings. The operator can adjust the flow rate of the liquid fuel by turning the knob 6 according to actual needs, making the overall flexibility more convenient for actual use and better meeting actual needs.

[0046] The above embodiments are only used to illustrate the present utility model and are not intended to limit the technical solutions described in the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, the present utility model is not limited to the specific embodiments described above. Therefore, any modifications or equivalent substitutions to the present utility model, and all technical solutions and improvements that do not depart from the spirit and scope of the utility model, are covered within the scope of the claims of the present utility model.

Claims

1. A valve for alcohol-based liquid fuel heating stoves, comprising a valve cover (1), characterized in that, The lower valve body (2) is provided on the lower surface of the valve cover (1). A fixed tube (3) is fixedly connected to the inner surface of the valve cover (1). A scale (4) is fixedly sleeved on the outer wall of the fixed tube (3). An adjusting shaft (5) is rotatably connected to the inner surface of the fixed tube (3). A knob (6) is installed on the outer side of the top of the adjusting shaft (5). A scale pointer (7) located directly above the scale (4) is fixedly sleeved on the adjusting shaft (5). An oil cavity is opened inside the lower valve body (2). A lower valve plate (8) is fixedly installed on the inner wall of the oil cavity. A rotating valve plate (9) is provided on the top of the lower valve plate (8). The inner wall of the valve cover (1) is fixedly connected to a spring (10) located outside the adjusting shaft (5). The lower end of the spring (10) abuts against the upper end face of the rotary valve plate (9). The rotary valve plate (9) is provided with an oil passage hole (11). The lower valve plate (8) is provided with a first through hole (12), a second through hole (13), a third through hole (14) and a fourth through hole (15). The lower surface of the rotary valve plate (9) is provided with a first annular groove (16) and a second annular groove (17). The top of the lower valve plate (8) is fixedly connected with a first sealing ring (18) and a second sealing ring (19).

2. The alcohol-based liquid fuel heating stove dedicated valve according to claim 1, characterized in that, The valve cover (1) and the lower valve body (2) are respectively equipped with an oil inlet (20) and an oil outlet (21), with the oil inlet (20) located above the oil outlet (21).

3. The alcohol-based liquid fuel heating stove dedicated valve according to claim 1, characterized in that, The outer surface of the adjusting shaft (5) has two parallel third annular grooves (22), and the inner surface of the fixed tube (3) is fixedly connected with two parallel third sealing rings (23). The two third sealing rings (23) are located in the two third annular grooves (22), and the outer surface of the third sealing rings (23) is in contact with the inner surface of the third annular grooves (22).

4. The alcohol-based liquid fuel heating stove dedicated valve according to claim 1, characterized in that, The lower end of the adjusting shaft (5) is fitted onto the inner surface of the rotary valve plate (9), and the adjusting shaft (5) is in contact with the upper surface of the rotary valve plate (9), while the lower surface of the rotary valve plate (9) is in contact with the upper surface of the lower valve plate (8).

5. The alcohol-based liquid fuel heating stove dedicated valve according to claim 1, characterized in that, The first perforation (12), the second perforation (13), the third perforation (14) and the fourth perforation (15) are arranged in an arc shape. The diameter of the first perforation (12) is smaller than that of the second perforation (13), the diameter of the second perforation (13) is smaller than that of the third perforation (14), the diameter of the third perforation (14) is smaller than that of the fourth perforation (15), and the diameter of the oil passage (11) is larger than that of the third perforation (14).

6. The alcohol-based liquid fuel heating stove dedicated valve according to claim 1, characterized in that, The first sealing ring (18) is located in the first annular groove (16), and the outer surface of the first sealing ring (18) is in contact with the inner surface of the first annular groove (16). The second sealing ring (19) is located in the second annular groove (17), and the outer surface of the second sealing ring (19) is in contact with the inner surface of the second annular groove (17).

7. The valve for an alcohol-based liquid fuel heating stove according to claim 1, characterized in that, The upper surface of the inner side of the oil cavity is provided with a fourth annular groove (24), and a fourth sealing ring (25) is provided inside the fourth annular groove (24). The fourth sealing ring (25) is in contact with the lower end face of the lower valve plate (8).

8. The alcohol-based liquid fuel heating stove dedicated valve according to claim 1, characterized in that, The lower valve body (2) is threadedly connected to the valve cover (1). A fifth sealing ring (26) is provided between the lower valve body (2) and the valve cover (1). The outer surface of the fifth sealing ring (26) is in contact with the lower valve body (2) and the valve cover (1). The upper end face of the lower valve body (2) is in contact with the valve cover (1).

9. The alcohol-based liquid fuel heating stove dedicated valve according to claim 1, characterized in that, The lower valve plate (8) is vertically perforated by a pin (27).

10. The alcohol-based liquid fuel heating stove dedicated valve according to claim 1, characterized in that, A connecting piece is fixedly installed at the bottom of the lower valve body (2), and two fixing nails are provided on the connecting piece.

Images