Stainless steel quick-assembly butterfly valve convenient for flow adjustment

Abstract

The utility model discloses a stainless steel fast-assembly butterfly valve convenient to adjust flow, which comprises a stainless steel butterfly valve body and an adjusting mechanism, flange plates are fixedly arranged on the front side and the rear side of the stainless steel butterfly valve body, and an anti-corrosion sealing ring is arranged on the inner side of the stainless steel butterfly valve body. A support is fixedly installed at the upper end of the stainless steel butterfly valve body, a valve seat is installed on the upper surface of the support, the rotating mechanism comprises a push rod, a gear ring, a fixing rod and a gear, the adjusting mechanism comprises a push rod, a connecting rod and a fixing plate, and the fixing plate is installed at the upper end of the connecting rod. According to the stainless steel fast-assembly butterfly valve convenient to adjust the flow, the rotating mechanism can assist the valve rod to drive the butterfly plate to rotate, manpower is saved, operation is convenient, the adjusting mechanism is arranged to conveniently adjust the flow of the butterfly valve, the fixing assembly can fix the adjusting mechanism, the flow can be accurately adjusted, and the reinforcing assembly is arranged to prevent the butterfly plate from being impacted and damaged by too large water flow; the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly valves, in particular to a stainless steel quick-install butterfly valve which is convenient for adjusting flow. Background Art

[0002] Butterfly valve is a regulating valve that can be used for switching and regulating pipeline flow. It has a simple structure and is easy to install. It is gradually widely used in connecting pipelines. With the rapid development of society, the types of stainless steel quick-install butterfly valves are gradually increasing, and their functions are constantly improving to improve their practicality.

[0003] For example, a patent document with the authorization announcement number CN207728900U discloses a quick-install butterfly valve, including a valve body, a first sealing ring is provided on the inner wall of the valve body, a butterfly plate is rotatably connected to the valve body, a square hole is provided on the side wall of the butterfly plate, a rotating rod passes through the side wall of the valve body and fits with the gap of the square hole, a symmetrical clamping device is provided next to the rotating rod, the clamping device and the valve body are fixed by a positioning device, a positioning device is provided at one end of the butterfly plate away from the square hole, the positioning device includes a slidably connected positioning rod, the positioning rod is placed in the cavity of the butterfly plate, a spring is provided in the cavity, a groove is provided on the inner wall of the valve body, the positioning rod passes through the first sealing ring and fits with the gap of the groove. The quick-install butterfly valve described in the utility model improves the existing quick-install butterfly valve and solves the problem of easy breakage of the central shaft through a simple structure. At the same time, it can realize simple and fast installation and disassembly of the butterfly valve, has good stability, is convenient and practical, and improves the service life of the quick-install butterfly valve;

[0004] For example, the patent document with the authorization announcement number CN205401745U discloses a quick-install butterfly valve. The butterfly valve includes a valve body, a butterfly plate, and a driving mechanism. The butterfly plate is provided with a center line, and the butterfly plate is provided with a butterfly plate coupling at both ends of the center line. The butterfly plate and the butterfly plate coupling are integrally formed. The butterfly plate and the butterfly plate coupling are integrated, and there is no need to pre-set a reserved hole on the butterfly plate body for installing the valve stem, so there will be no gap to cause leakage, and it can also avoid errors in manually connecting the butterfly plate and the valve stem, resulting in uneven force on the butterfly plate and causing damage.

[0005] However, stainless steel butterfly valves are not convenient for precise flow adjustment, and lack of limiting mechanism when the water flow is large, which makes the butterfly plate easy to rotate and the valve stem easy to break under pressure, and the practicality is poor. Therefore, we propose a stainless steel quick-install butterfly valve that is convenient for adjusting the flow, so as to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a stainless steel quick-install butterfly valve that is convenient for adjusting the flow rate, so as to solve the problems mentioned in the above background technology that the existing stainless steel butterfly valve is inconvenient to accurately adjust the flow rate, lacks a limiting mechanism when the water flow is large, causes the butterfly plate to rotate easily, the valve stem is easily broken under pressure, and has poor practicality.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stainless steel quick-install butterfly valve for convenient flow adjustment, comprising a stainless steel butterfly valve body and an adjusting mechanism, flanges are fixedly installed on both the front and rear sides of the stainless steel butterfly valve body, an anti-corrosion sealing ring is installed on the inner side of the stainless steel butterfly valve body, and also comprises a support and a rotating mechanism, a support is fixedly installed on the upper end of the stainless steel butterfly valve body, a valve seat is installed on the upper surface of the support, the rotating mechanism comprises a push rod, a gear ring, a fixing rod and a gear, a push rod is installed on the right side inside the valve seat, a gear ring is fixedly installed on the lower left end of the push rod, a fixing rod is installed on the lower end of the gear ring, a gear is meshed and connected at the left end of the gear ring, the gear is installed on the valve stem, a butterfly plate is fixedly installed on the lower end of the valve stem, a rotating block is installed on the bottom end of the butterfly plate, and a reinforcing plate is arranged inside the butterfly plate;

[0008] The adjusting mechanism comprises a push rod, a connecting rod and a fixing plate. The connecting rod is installed on the upper surface of the push rod, and the fixing plate is installed on the upper end of the connecting rod.

[0009] Preferably, the valve seat forms a disassembly structure through screws and a support.

[0010] Preferably, an annular groove is formed on the upper surface of the valve seat, and a positioning hole is formed on the left side of the annular groove.

[0011] Preferably, the fixed plate forms a rotating structure with the valve seat through the push rod, the connecting rod and the annular groove.

[0012] Preferably, the butterfly plate forms a rotating structure with the stainless steel butterfly valve body through a push rod, a gear ring, a gear and a valve stem.

[0013] Preferably, pulleys are rotatably mounted on both the left and right sides of the middle portion of the valve stem.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the stainless steel quick-install butterfly valve is convenient for adjusting flow;

[0015] 1. A rotating mechanism is set up, and the pulleys on the left and right sides of the middle of the valve stem can rotate with the valve stem in the stainless steel butterfly valve body, thereby assisting the valve stem to rotate, facilitating the rotation of the butterfly plate, saving manpower, facilitating the operation of the valve stem and butterfly plate, and improving efficiency;

[0016] 2. Set up an adjustment mechanism, push the push rod, and drive the gear ring and gear to rotate, so as to adjust the rotation angle of the butterfly plate and the flow of the butterfly valve. The fixing assembly can fix the adjustment mechanism, accurately adjust the flow and prevent the butterfly plate from rotating easily.

[0017] 3. A reinforcement component is set up. A reinforcement plate is set inside the valve stem to increase the hardness of the valve stem, which can prevent the butterfly plate from being damaged by excessive impact of water flow. The anti-corrosion sealing ring increases the sealing and corrosion resistance of the butterfly valve and extends the service life of the butterfly valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the front view cutaway structure of the utility model;

[0020] Figure 3 This is a side view of the structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the utility model in a top view and cutaway structure;

[0022] Figure 5 It is a schematic diagram of the structure of the utility model from top view.

[0023] In the figure: 1. Stainless steel butterfly valve body; 2. Flange; 3. Anti-corrosion sealing ring; 4. Support; 5. Valve seat; 6. Push rod; 7. Gear ring; 8. Fixed rod; 9. Gear; 10. Valve stem; 11. Butterfly plate; 12. Reinforcement plate; 13. Rotating block; 14. Pulley; 15. Connecting rod; 16. Fixed plate; 17. Ring groove; 18. Positioning hole. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-5 The utility model provides a technical solution: a stainless steel quick-install butterfly valve for convenient flow adjustment, including a stainless steel butterfly valve body 1, a flange 2, an anti-corrosion sealing ring 3, a support 4, a valve seat 5, a push rod 6, a gear ring 7, a fixing rod 8, a gear 9, a valve stem 10, a butterfly plate 11, a reinforcing plate 12, a rotating block 13, a pulley 14, a connecting rod 15, a fixing plate 16, a ring groove 17 and a positioning hole 18, such as Figure 1 and Figure 3As shown, flanges 2 are fixedly installed on both the front and rear sides of the stainless steel butterfly valve body 1. The stainless steel butterfly valve body 1 is aligned with the pipe to be connected. Holes are opened on the surface of the flange 2. After the stainless steel butterfly valve body 1 is placed, the flange 2 is aligned with the fixed plate of the pipe port, the screws are aligned with the holes on the surface of the flange 2, and the screws and locking nuts are tightened to fix the flange 2 and the stainless steel butterfly valve body 1.

[0026] like Figure 3 and Figure 4 As shown, an anti-corrosion sealing ring 3 is fixedly installed on the inner side of the stainless steel butterfly valve body 1. The anti-corrosion sealing ring 3 increases the sealing and anti-corrosion properties of the stainless steel butterfly valve body 1 and prolongs the service life of the stainless steel butterfly valve body 1. A support 4 is fixedly installed on the upper end of the stainless steel butterfly valve body 1. A valve seat 5 is installed on the upper surface of the support 4 by screws. The support 4 supports and stabilizes the valve seat 5. The screws on the lower surface of the support 4 are unscrewed to facilitate the removal of the valve seat 5, thereby facilitating the inspection of the valve seat 5. A push rod 6 is installed on the right side of the valve seat 5. A gear ring 7 is fixedly installed on the lower left end of the push rod 6. A fixing rod 8 is installed on the lower end of the gear ring 7. The fixing rod 8 assists the gear ring 7 in rotating and fixing. The rod 8 rotates in the valve seat 5, and the left side of the gear ring 7 is meshed with a gear 9 to push the push rod 6. The push rod 6 drives the gear ring 7 to rotate, thereby driving the fixed rod 8 and the gear 9 to rotate. The gear 9 is fixed to the valve stem 10 by screws, thereby driving the valve stem 10 to rotate. A butterfly plate 11 is fixedly installed at the lower end of the valve stem 10. The butterfly plate 11 rotates with the valve stem 10. The lower end of the butterfly plate 11 is rotatably installed with a rotating block 13 through a sealing gasket. Pulleys 14 are rotatably installed on both sides of the middle of the valve stem 10. The rotating block 13 and the pulley 14 assist the valve stem 10 and the butterfly plate 11 to rotate, saving manpower, so that the stainless steel butterfly valve body 1 can be opened;

[0027] like Figure 2 and Figure 5 As shown, a connecting rod 15 is installed on the upper surface of the push rod 6, and a fixing plate 16 is fixedly installed on the upper end of the connecting rod 15. The movement of the push rod 6 drives the connecting rod 15 and the fixing plate 16 to move. An annular groove 17 is provided on the surface of the valve seat 5. The fixing plate 16 moves in the annular groove 17 in the valve seat 5. The push rod 6 is pushed to a suitable position, and the rotation angle of the butterfly plate 11 can be accurately adjusted, so as to facilitate the adjustment of the flow rate. A positioning hole 18 is provided on the left side of the annular groove 17. The screw is aligned with the fixing plate 16 and the corresponding positioning hole 18, and the screw is tightened to fix the fixing plate 16 and the push rod 6 to prevent the butterfly plate 11 from rotating.

[0028] The valve stem 10 and the butterfly plate 11 are both provided with reinforcing plates 12 inside, which can increase the hardness and firmness of the valve stem 10 and the butterfly plate 11, prevent the valve stem 10 and the butterfly plate 11 from being damaged by excessive impact of water flow, and extend the service life.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stainless steel quick-install butterfly valve for convenient flow adjustment, comprising a stainless steel butterfly valve body (1) and an adjustment mechanism, wherein flanges (2) are fixedly mounted on both the front and rear sides of the stainless steel butterfly valve body (1), and an anti-corrosion sealing ring (3) is mounted on the inner side of the stainless steel butterfly valve body (1), characterized in that: It also includes a support (4) and a rotating mechanism, wherein the support (4) is fixedly installed on the upper end of the stainless steel butterfly valve body (1), and a valve seat (5) is installed on the upper surface of the support (4). The rotating mechanism includes a push rod (6), a gear ring (7), a fixed rod (8) and a gear (9). The push rod (6) is installed on the right side of the valve seat (5), the gear ring (7) is fixedly installed on the lower left end of the push rod (6), the fixed rod (8) is installed on the lower end of the gear ring (7), the left end of the gear ring (7) is meshed with a gear (9), and the gear (9) is installed on the valve stem (10), and a butterfly plate (11) is fixedly installed on the lower end of the valve stem (10), and a rotating block (13) is installed on the bottom end of the butterfly plate (11), and a reinforcing plate (12) is arranged inside the butterfly plate (11); The adjustment mechanism comprises a push rod (6), a connecting rod (15) and a fixing plate (16); the connecting rod (15) is installed on the upper surface of the push rod (6), and the fixing plate (16) is installed on the upper end of the connecting rod (15).

2. A stainless steel quick-install butterfly valve for convenient flow adjustment according to claim 1, characterized in that: The valve seat (5) and the support (4) form a disassembly structure through screws.

3. The stainless steel quick-install butterfly valve for convenient flow adjustment according to claim 1 is characterized in that: An annular groove (17) is provided on the upper surface of the valve seat (5), and a positioning hole (18) is provided on the left side of the annular groove (17).

4. The stainless steel quick-install butterfly valve for convenient flow adjustment according to claim 1 is characterized in that: The fixed plate (16) forms a rotating structure with the valve seat (5) through the push rod (6), the connecting rod (15) and the annular groove (17).

5. The stainless steel quick-install butterfly valve for convenient flow adjustment according to claim 1 is characterized in that: The butterfly plate (11) forms a rotating structure with the stainless steel butterfly valve body (1) through a push rod (6), a gear ring (7), a gear (9) and a valve stem (10).

6. The stainless steel quick-install butterfly valve for convenient flow adjustment according to claim 1 is characterized by: Pulleys (14) are rotatably mounted on both the left and right sides of the middle of the valve stem (10).

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