Large-flux ball valve for kitchen range

Abstract

The utility model relates to the technical field of ball valves, and discloses a large-flux ball valve for a kitchen range, which comprises a valve body, sealing gaskets are arranged at four corners inside the valve body, a ball body is rotatably connected inside the valve body, a first valve rod is arranged inside the valve body, a plurality of sealing rings are arranged at the top end inside the valve body, and a second valve rod is arranged at the top end inside the valve body. A second valve rod is slidably connected to the interior of the valve body, a connecting sleeve is fixedly connected to the exterior of the second valve rod, a handle is in threaded connection to the exterior of the connecting sleeve, a valve cap is fixedly connected to the top of the valve body, a fixing bolt is arranged in the handle, and a sealing assembly is fixedly connected to the top of the connecting sleeve. The sealing assembly comprises an annular block, and a cavity is formed in the annular block. According to the utility model, the sealing of gas is realized, so that the gas is prevented from leaking from the periphery of the valve or a gap of the valve, and the energy waste is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of ball valves, in particular to a large-flux ball valve for cookers. Background Art

[0002] A ball valve is a commonly used fluid control valve that controls the flow of fluid in an open or closed state through a hole in the ball. Large-flow ball valves are usually used in applications that require a larger flow rate, such as large furnaces in industrial production, high-pressure gas pipeline systems, liquefied natural gas facilities, etc.

[0003] In the prior art, some ball valves are difficult to seal when in use, and gas leaks out from around the valve or from the gaps in the valve itself, which can easily lead to safety hazards of gas leakage. Gas leakage can lead to energy waste, especially when using fuels such as natural gas. Unauthorized gas leakage may lead to increased costs and waste of resources. Therefore, in view of the above shortcomings, a large-flux ball valve for stoves is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a large-flux ball valve for stoves, aiming to improve the problem that some ball valves in the prior art are difficult to seal and gas leaks from the gap around the valve or the valve itself.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A large-flux ball valve for a stove comprises a valve body, four corners of the valve body are provided with sealing pads, a ball is rotatably connected to the inside of the valve body, a valve stem 1 is provided inside the valve body, a plurality of sealing rings are provided at the top of the valve body, a valve stem 2 is slidably connected to the inside of the valve body, a connecting sleeve is fixedly connected to the outside of the valve stem 2, a handle is threadedly connected to the outside of the connecting sleeve, a valve cap is fixedly connected to the top of the valve body, a fixing bolt is provided inside the handle, and a sealing assembly is fixedly connected to the top of the connecting sleeve;

[0007] As a further description of the above technical solution:

[0008] The sealing assembly comprises an annular block, a cavity is provided inside the annular block, a plurality of telescopic springs are arranged inside the cavity, a sliding ring body is slidably connected to the inner wall of the cavity, and a sealing ring is fixedly connected to the top of the sliding ring body;

[0009] As a further description of the above technical solution:

[0010] The top of the sealing ring contacts the bottom inner wall of the handle, and the bottom of the annular block is fixedly connected to the top of the connecting sleeve;

[0011] As a further description of the above technical solution:

[0012] The outer portion of the sealing ring is slidably connected to the inner portion of the annular block;

[0013] As a further description of the above technical solution:

[0014] The bottoms of the multiple telescopic springs are fixedly connected to the bottom inner wall of the annular block, and the tops of the multiple telescopic springs are fixedly connected to the bottom of the sliding ring body;

[0015] As a further description of the above technical solution:

[0016] The left side of the valve body is provided with an air outlet, and the right side of the valve body is provided with an air inlet;

[0017] As a further description of the above technical solution:

[0018] The outside of the valve stem 1 is slidably connected to the inside of the valve cap, and the bottom of the valve stem 1 is in contact with the top of the sphere.

[0019] The utility model has the following beneficial effects:

[0020] In the utility model, the sealing of gas is achieved through the mutual cooperation of the sealing pad, the ball, the valve stem one, the sealing ring, the valve stem two, the connecting sleeve, the annular block, the telescopic spring, the sliding ring body, the sealing ring and the like, thereby preventing the gas from leaking out from the gap around the valve or the valve itself, thereby reducing energy waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional diagram of a large-flux ball valve for a stove proposed by the utility model;

[0022] Figure 2 This is a schematic diagram of the connecting sleeve structure of a large-flux ball valve for a stove proposed by the utility model;

[0023] Figure 3 for Figure 2 Enlarged view of point A in .

[0024] Legend:

[0025] 1. Valve body; 2. Sealing gasket; 3. Ball; 4. Valve stem 1; 5. Sealing ring; 6. Valve stem 2; 7. Connecting sleeve; 8. Ring block; 9. Cavity; 10. Telescopic spring; 11. Sliding ring body; 12. Sealing ring; 13. Handle; 14. Fixing bolt; 15. Valve cap. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Reference Figures 1 to 3 The utility model provides an embodiment: a large-flux ball valve for stoves, including a valve body 1, which is the main part of the ball valve, usually made of metal material, used to withstand pressure and load, and the valve body 1 is provided with sealing gaskets 2 at the four corners inside, and the sealing gaskets 2 are used to ensure the sealing between the valve body 1 and other components to prevent medium leakage, and the valve body 1 is rotatably connected with a ball 3 inside, and the ball 3 is a key component of the ball valve, located inside the valve body 1, and controls the flow of the medium by rotation. The ball 3 is usually made of corrosion-resistant metal material and has good sealing performance, and the valve body 1 is provided with a valve stem 4 inside, and the top of the valve body 1 is provided with a plurality of sealing rings 5, and the plurality of sealing rings 5 ​​are arranged at the top of the valve body 1, and are used to ensure the sealing between the valve body 1 and the valve stem 4 to prevent medium leakage, and the valve body 1 is slidably connected with a valve stem 2 6 inside, and the valve stem 2 6 is slidably connected to the inside of the valve body 1 and connected to the valve stem 4, and is used to transmit operating force and control the movement of the ball 3, and the valve stem 2 6 is fixedly connected with a connecting rod outside. The connecting sleeve 7 is fixedly connected to the outside of the valve stem 6 and is usually made of metal or plastic material. It is used to protect the valve stem and provide an interface for connecting the handle 13. The external thread of the connecting sleeve 7 is connected to the handle 13. The handle 13 is fixed to the valve stem 6 through the connecting sleeve 7 and is used to manually operate the ball valve. The top of the valve body 1 is fixedly connected to the valve cap 15. The inside of the handle 13 is provided with a fixing bolt 14. The fixing bolt 14 is located inside the handle 13 and is used to fix the handle 13 and the connecting sleeve 7 to ensure a firm connection between the handle 13 and the valve stem.

[0028] Reference Figures 1 to 3 A sealing assembly is fixedly connected to the top of the connecting sleeve 7, and the sealing assembly includes an annular block 8. A cavity 9 is opened inside the annular block 8. A plurality of telescopic springs 10 are arranged inside the cavity 9. A sliding ring body 11 is slidably connected to the inner wall of the cavity 9. The sliding ring body 11 drives the compression of the telescopic spring 10. A sealing ring 12 is fixedly connected to the top of the sliding ring body 11. The sealing ring 12 drives the sliding of the sliding ring body 11, thereby achieving sealing of the gas, thereby preventing the gas from leaking from the gap around the valve or the valve itself, and reducing energy waste.

[0029] Reference Figures 1 to 3The top of the sealing ring 12 contacts the bottom inner wall of the handle 13, which improves its sealing performance. The bottom of the annular block 8 is fixedly connected to the top of the connecting sleeve 7, which improves the stability of the annular block 8. The outside of the sealing ring 12 is slidably connected to the inside of the annular block 8, which improves the stability of the sealing ring 12. The bottoms of multiple telescopic springs 10 are fixedly connected to the bottom inner wall of the annular block 8. The tops of multiple telescopic springs 10 are fixedly connected to the bottom of the sliding ring body 11. The sliding ring body 11 drives the compression of the telescopic spring 10. An air outlet is provided on the left side of the valve body 1, and an air inlet is provided on the right side of the valve body 1. The outside of the valve stem 4 is slidably connected to the inside of the valve cap 15, which improves the stability of the valve stem 4. The bottom of the valve stem 4 contacts the top of the ball 3. The valve stem 4 is used to transmit operating force and control the movement of the ball 3.

[0030] Working principle: when sealing is required, by rotating the handle 13 to the connecting sleeve 7, the sealing ring 12 will be subjected to pressure to move the sealing ring 12, so that the sealing ring 12 drives the sliding ring body 11 to slide, and the sliding ring body 11 drives the compression of the telescopic spring 10. Under the reaction force of the telescopic spring 10, the gas is sealed, and then the gas is prevented from leaking from the gap around the valve or the valve itself, thereby reducing energy waste.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been 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 make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A large-flux ball valve for a stove, comprising a valve body (1), characterized in that: Sealing pads (2) are arranged at the four corners of the valve body (1), a ball (3) is rotatably connected to the inside of the valve body (1), a valve stem (4) is arranged inside the valve body (1), a plurality of sealing rings (5) are arranged at the top of the inside of the valve body (1), a valve stem (6) is slidably connected to the inside of the valve body (1), a connecting sleeve (7) is fixedly connected to the outside of the valve stem (6), a handle (13) is threadedly connected to the outside of the connecting sleeve (7), a valve cap (15) is fixedly connected to the top of the valve body (1), a fixing bolt (14) is arranged inside the handle (13), a sealing assembly is fixedly connected to the top of the connecting sleeve (7), and the sealing assembly comprises an annular block (8), a cavity (9) is opened inside the annular block (8), a plurality of telescopic springs (10) are arranged inside the cavity (9), a sliding ring body (11) is slidably connected to the inner wall of the cavity (9), and a sealing ring (12) is fixedly connected to the top of the sliding ring body (11).

2. A large-flux ball valve for a cooker according to claim 1, characterized in that: The top of the sealing ring (12) contacts the bottom inner wall of the handle (13), and the bottom of the annular block (8) is fixedly connected to the top of the connecting sleeve (7).

3. The large-flux ball valve for a cooker according to claim 1, characterized in that: The outside of the sealing ring (12) is slidably connected to the inside of the annular block (8).

4. The large-flux ball valve for a cooker according to claim 1, characterized in that: The bottoms of the plurality of telescopic springs (10) are fixedly connected to the bottom inner wall of the annular block (8), and the tops of the plurality of telescopic springs (10) are fixedly connected to the bottom of the sliding ring body (11).

5. The large-flux ball valve for a cooker according to claim 1, characterized in that: An air outlet is provided on the left side of the valve body (1), and an air inlet is provided on the right side of the valve body (1).

6. The large-flux ball valve for a cooker according to claim 1, characterized in that: The outside of the valve stem (4) is slidably connected to the inside of the valve cap (15), and the bottom of the valve stem (4) is in contact with the top of the ball (3).

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