Improved turbine half-lug butterfly valve

Abstract

The improved turbine half-lug butterfly valve comprises a valve body, a valve plate, a valve rod and a stabilizing assembly, the stabilizing assembly comprises a bottom box, a built-in groove, a rotating disc, a spring, a middle shaft rod, a movable shaft seat and a shifting plate, the built-in groove is formed in the inner wall of the bottom box, the rotating disc is located in the middle of the bottom box, and the spring is installed in the middle of the built-in groove. The middle shaft rod is fixedly installed at the lower end of the rotating disc, the movable shaft seat is located between the middle shaft rod and the bottom box, the shifting plate is arranged on the outer wall of the rotating disc, the bottom box and the built-in groove are of an integrally-formed structure, and the middle shaft rod is movably connected with the bottom box through the movable shaft seat. The valve rod drives the rotating disc to rotate, the rotating disc compresses the spring through the shifting plate, the spring can generate elastic force when the valve is closed, the elastic force is transmitted to the shifting plate and then transmitted to the bottom end of the valve rod through the rotating disc, it can be guaranteed that the two ends of the valve rod are evenly stressed when the valve rod rotates, and the service life of the valve rod can be guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of semi-convex butterfly valve technology, and in particular to an improved turbine semi-convex butterfly valve. Background Technology

[0002] The semi-convex lug butterfly valve is a valve with a unique structure, mainly used in industrial pipeline systems. The semi-convex lug butterfly valve is mainly composed of valve body, valve stem, valve plate, sealing ring, and nut. Its driving methods include manual, worm gear, pneumatic and electric, which are suitable for different operating needs and environmental conditions.

[0003] The turbine semi-convex butterfly valve is a type of semi-convex butterfly valve with a specific driving method and structure. It mainly drives the valve plate to rotate through a turbine. However, the existing turbine semi-convex butterfly valve has certain inconveniences in use.

[0004] Firstly, in the existing turbine semi-coil butterfly valve, the turbine drives the top of the valve stem to rotate during operation. The bottom of the valve stem is movably connected to the valve body and rotates accordingly. However, when the valve plate is closed, it is subjected to a large fluid pressure, which is transmitted to the valve stem. Furthermore, when the valve is turned to open, the top of the valve stem is subjected to force, which can easily cause uneven force on both ends of the valve stem. Over a long period of use, the valve stem is prone to damage.

[0005] Therefore, we propose an improved turbine semi-convex butterfly valve. Utility Model Content

[0006] In view of the technical problems in the prior art, the valve plate is subjected to fluid pressure when it is opened, and the pressure is transmitted to the valve stem. Furthermore, the top of the valve stem is subjected to force when the valve is turned to open, which can easily cause uneven force on both ends of the valve stem and damage to the valve stem after long-term use. This utility model provides an improved turbine semi-convex lug butterfly valve.

[0007] The technical solution adopted by this utility model is: an improved turbine semi-convex butterfly valve, including a valve body, a valve plate, a valve stem, and a stabilizing component. The stabilizing component includes a base box, an internal groove, a turntable, a spring, a central shaft, a movable shaft seat, and a lever plate. The internal groove is disposed on the inner wall of the base box, the turntable is located in the middle of the base box, the spring is installed in the middle of the internal groove, the central shaft is fixedly installed at the lower end of the turntable, the movable shaft seat is located between the central shaft and the base box, and the lever plate is disposed on the outer wall of the turntable.

[0008] Furthermore, the outer wall of the valve body is provided with a shaft and a fixing ring, the fixing ring is located on both sides of the shaft, the upper outer surface of the shaft is provided with a drive box, the middle part of the drive box is provided with a turbine and a worm, the primary outer surface of the drive box is provided with a handwheel shaft, and a handwheel is fixedly connected to the outer surface of one end of the handwheel shaft.

[0009] Furthermore, protective plates are provided on both outer surfaces of the valve plate, and an elastic plate is provided on one outer surface of the protective plate. A sealing ring is provided between the valve plate and the valve body.

[0010] Furthermore, the bottom box and the built-in groove are integrally formed, and the central shaft is movably connected to the bottom box through the movable shaft seat.

[0011] Furthermore, the dial plate and the turntable are integrally formed, and the dial plate is fixedly connected to one end of the spring.

[0012] Furthermore, the turbine is meshed with the worm gear, and one end of the handwheel shaft is connected to one end of the worm gear.

[0013] Furthermore, the top end of the valve stem is connected to one end of the turbine, the bottom end of the valve stem is connected to one end of the turntable, and the valve stem passes through the valve plate.

[0014] The beneficial effects of this utility model are:

[0015] In this invention, the stabilizing component can be connected to the bottom of the valve stem via a turntable during use. When the valve is opened, the valve stem drives the turntable to rotate, causing the turntable to compress the spring through the lever. When the valve is closed, the spring generates elastic force and transmits the force to the lever, which is then transmitted to the bottom of the valve stem via the turntable. This ensures that the valve stem is subjected to uniform force at both ends during rotation, thus guaranteeing the service life of the valve stem. Attached Figure Description

[0016] Figure 1 This is an overall structural diagram of the present invention;

[0017] Figure 2 This is an internal structural diagram of the drive box of this utility model;

[0018] Figure 3 This is a structural diagram of the stabilizing component of this utility model;

[0019] Figure 4 This is a rear view structural diagram of the protective sheet of this utility model.

[0020] The components in the diagram are labeled as follows: 1. Valve body; 2. Shaft cylinder; 3. Retaining ring; 4. Valve plate; 5. Protective plate; 6. Stabilizing component; 61. Base box; 62. Internal groove; 63. Turntable; 64. Spring; 65. Central shaft; 66. Movable shaft seat; 67. Paddle plate; 7. Sealing ring; 8. Drive box; 9. Valve stem; 10. Turbine; 11. Worm gear; 12. Handwheel shaft; 13. Handwheel; 14. Elastic plate. Detailed Implementation

[0021] In the description of this utility model, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this utility model.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] The following is in conjunction with the appendix Figures 1-4 The present invention will be further described below.

[0024] To address the problems existing in the background technology, this application proposes the following technical solution: an improved turbine semi-convex butterfly valve.

[0025] The specific technical solution includes a valve body 1, a valve plate 4, a valve stem 9, and a stabilizing assembly 6. The stabilizing assembly 6 includes a base box 61, an internal groove 62, a turntable 63, a spring 64, a central shaft 65, a movable shaft seat 66, and a lever 67. The internal groove 62 is located on the inner wall of the base box 61, the turntable 63 is located in the middle of the base box 61, the spring 64 is installed in the middle of the internal groove 62, the central shaft 65 is fixedly installed at the lower end of the turntable 63, and the movable shaft seat 66 is located between the central shaft 65 and the base box. Between 61, the lever 67 is set on the outer wall of the turntable 63. When in use, the stabilizing component 6 can be connected to the bottom end of the valve stem 9 through the turntable 63. When the valve is opened, the valve stem 9 drives the turntable 63 to rotate, so that the turntable 63 compresses the spring 64 through the lever 67. When the valve is closed, the spring 64 will generate elastic force and transmit the force to the lever 67, and then through the turntable 63 to the bottom end of the valve stem 9. This can ensure that the valve stem 9 is subjected to uniform force at both ends when rotating, and can ensure the service life of the valve stem 9.

[0026] Furthermore, the base box 61 and the built-in groove 62 are integrally formed structures, the central shaft 65 is movably connected to the base box 61 through the movable shaft seat 66, the dial plate 67 and the turntable 63 are integrally formed structures, the dial plate 67 is fixedly connected to one end of the spring 64, and the dial plate 67 is mainly used to compress the spring 64 during use.

[0027] Reference Figure 1 , Figure 2 and Figure 4As shown, the outer wall of the valve body 1 is provided with a shaft cylinder 2 and a fixing ring 3. The fixing ring 3 is located on both sides of the shaft cylinder 2. The upper outer surface of the shaft cylinder 2 is provided with a drive box 8. The middle part of the drive box 8 is provided with a turbine 10 and a worm gear 11. The outer surface of the drive box 8 is provided with a handwheel shaft 12. A handwheel 13 is fixedly connected to the outer surface of one end of the handwheel shaft 12. Both outer surfaces of the valve plate 4 are provided with protective plates 5. One outer surface of the protective plate 5 is provided with an elastic plate 14. A sealing ring 7 is provided between the valve plate 4 and the valve body 1. When in use, the handwheel 13 can rotate the handwheel shaft 12, which can drive the worm gear 11 to rotate. The worm gear 11 meshes and drives the turbine 10 to rotate, thereby driving the turbine 10 to rotate the valve stem 9.

[0028] Furthermore, the worm gear 10 is meshed with the worm 11, and one end of the handwheel shaft 12 is connected to one end of the worm 11. The handwheel shaft 12 is mainly used to drive the worm 11 to rotate.

[0029] Furthermore, the top end of the valve stem 9 is connected to one end of the turbine 10, and the bottom end of the valve stem 9 is connected to one end of the turntable 63. The valve stem 9 passes through the valve plate 4, and the valve stem 9 is mainly used to drive the valve plate 4 to open and close during use.

[0030] To ensure that those skilled in the art can fully understand the technical solution, this application provides the following overall overview:

[0031] In use, the handwheel 13 can be used to rotate the handwheel shaft 12, which in turn drives the worm gear 11 to rotate. The worm gear 11 then meshes with and drives the turbine 10 to rotate, which in turn drives the valve stem 9 to rotate. This allows the valve stem 9 to drive the valve plate 4 to open and close. When opening the valve, the valve stem 9 drives the turntable 63 to rotate, which compresses the spring 64 through the lever 67. When closing the valve, the spring 64 generates elastic force and transmits the force to the lever 67, which then passes through the turntable 63 to the bottom of the valve stem 9. This ensures that the valve stem 9 is subjected to uniform force at both ends when rotating, thus ensuring the service life of the valve stem 9. The protective plate 5 can protect the valve plate 4 during use, and the elastic plate 14 can reduce the impact and pressure of the fluid on the valve plate 4.

[0032] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0033] Although embodiments of the present invention have been shown and described, the scope of the present invention will be defined by the appended claims and their equivalents for those skilled in the art.

Claims

1. An improved turbine half-lobed butterfly valve characterized in that, The utility model provides a valve body (1), valve plate (4), valve stem (9) with stable component (6), and the stable component (6) includes bottom box (61), built -in groove (62), carousel (63), spring (64), middle axle rod (65), movable axle seat (66) with dial plate (67), the built -in groove (62) sets up in the inner wall of bottom box (61), carousel (63) is located in the middle part of bottom box (61), spring (64) is installed in the middle part of built -in groove (62), middle axle rod (65) is fixedly installed in the lower end of carousel (63), movable axle seat (66) is located between middle axle rod (65) and bottom box (61), and dial plate (67) is arranged on the outer wall of carousel (63).

2. The improved turbo semi-lobed butterfly valve according to claim 1, wherein, The outer wall of the valve body (1) is provided with a shaft cylinder (2) and a fixed ring (3), the fixed ring (3) is located on both sides of the shaft cylinder (2), the upper end of the shaft cylinder (2) is provided with a drive box (8), the middle part of the drive box (8) is provided with a turbine (10) and a worm (11), the outer surface of the drive box (8) is provided with a hand wheel shaft (12), and the outer surface of one end of the hand wheel shaft (12) is fixedly connected with a hand wheel (13).

3. The improved turbine half-lobed butterfly valve according to claim 1, wherein The outer surface of both ends of the valve plate (4) is provided with a protective sheet (5), the outer surface of one end of the protective sheet (5) is provided with an elastic sheet (14), and the valve plate (4) and the valve body (1) are provided with a sealing ring (7).

4. The improved turbo semi-lobed butterfly valve according to claim 1, wherein, The bottom box (61) and the built-in groove (62) are integrally formed, and the middle axle rod (65) is movably connected with the bottom box (61) through the movable axle seat (66).

5. The improved turbo semi-lobed butterfly valve as claimed in claim 1, wherein, The dial plate (67) and the carousel (63) are integrally formed, and the dial plate (67) is fixedly connected with one end of the spring (64).

6. The improved turbo semi-lobed butterfly valve as claimed in claim 2, wherein, The turbine (10) and the worm (11) are meshedly connected, and one end of the hand wheel shaft (12) is connected with one end of the worm (11).

7. The improved turbo semi-lobed butterfly valve as claimed in claim 1, wherein, The top end of the valve stem (9) is connected with one end of the turbine (10), the bottom end of the valve stem (9) is connected with one end of the carousel (63), and the valve stem (9) penetrates the valve plate (4).

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