Batching butterfly valve

Abstract

The utility model discloses a batching butterfly valve which comprises a valve shell, the front side and the rear side of the valve shell are open, a valve rod is arranged in the valve shell, the left side and the right side of the valve rod are connected with valve plates through bolts, the top of the valve shell is connected with a pipe body in a penetrating mode, and the top of the pipe body is connected with a shell in a penetrating mode. The top of the valve rod is connected with a butt joint shaft through a bolt, the top end of the butt joint shaft penetrates through the pipe body and extends into the shell to be movably connected with a worm gear, the rear side of the worm gear is meshed with a worm, and the left side and the right side of the worm are movably connected to the inner walls of the left side and the right side of the shell through a rotating shaft and a bearing correspondingly. The outer wall of the right side of the shell is connected with a motor through bolts. According to the technical scheme, through mutual cooperation of the electric cylinder, the inserting rod, the inserting groove and other components, effective position limiting can be carried out during adjustment, adjustment can be carried out when the driving motor is damaged, therefore, the device can be effectively used, and the using efficiency and the working efficiency of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly valves, in particular to a batching butterfly valve. Background Art

[0002] Butterfly valve is one of the most widely used valves at present. At present, butterfly valve generally includes valve body, valve seat, valve stem and valve disc, that is, valve seat is fixed in the inner cavity of the valve body, valve disc is located in the inner cavity of the valve seat, and after the valve disc rotates, its edge cooperates with the valve seat, thereby controlling the sealing or opening of the flow channel, and the valve stem is used to drive the valve disc to rotate, and the upper part of the valve stem passes through the upper part of the valve body and is connected to a rotating device such as a handle or an actuator. However, the batching butterfly valve in the prior art cannot effectively limit its position when it is adjusted during use, and cannot be adjusted when its driving motor is damaged, so that it cannot be used effectively, reducing its use efficiency and work efficiency. Therefore, we propose a batching butterfly valve. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a proportioning butterfly valve which can effectively limit its position when it is adjusted and can also be adjusted when its driving motor is damaged, so that it can be used effectively and its use efficiency and work efficiency are improved.

[0004] To achieve the above-mentioned purpose, a proportioning butterfly valve is provided, comprising: a valve housing, and the front and rear sides of the valve housing are both opened, a valve stem is arranged in the valve housing, and valve plates are connected to the left and right sides of the valve stem by bolts, a tube body is connected through the top of the valve housing, and a shell is connected through the top of the tube body, a docking shaft is connected to the top of the valve stem by bolts, and the top of the docking shaft extends through the tube body to the shell and is movably connected to a worm gear, a worm is meshed with the rear side of the worm gear, and the left and right sides of the worm are movably connected to the left and right inner walls of the shell through a rotating shaft and a bearing respectively, a motor is connected to the right outer wall of the shell by bolts, and the right end of the worm is connected to the output shaft of the motor through the inner ring of the bearing.

[0005] According to the described proportioning butterfly valve, a rotating tube is connected through the top of the worm wheel, and the top of the rotating tube is movably connected to the top of the inner cavity of the shell through a bearing.

[0006] According to the described butterfly valve for dispensing, the top of the shell is connected to a cover body by bolts, and the bottom of the cover body is opened, and the top end of the docking shaft passes through the rotating tube and is movably connected to the top of the cover body by a bearing.

[0007] According to the described ingredient butterfly valve, a mounting groove is provided on the left side wall of the docking shaft near the top, and an electric cylinder is installed in the mounting groove, the left end of the push rod on the electric cylinder is connected to a plug-in rod by bolts, and a plug-in groove matching the plug-in rod is provided on the left inner wall of the rotating tube.

[0008] According to the described butterfly valve for dispensing, a handle is attached to the top of the cover body, and the top end of the docking shaft passes through the inner ring of the bearing and is connected to the bottom of the handle.

[0009] According to the described butterfly valve for dispensing, a battery is connected to the top of the inner cavity of the shell near the right side by bolts, and a control switch is electrically connected between the motor and the electric cylinder and the battery by a power line.

[0010] According to the described butterfly valve for dispensing, sealing rings are installed near the front and rear sides of the valve housing, and the two sealing rings are symmetrically arranged front to back with the central axis of the valve housing as the axis of symmetry.

[0011] The above scheme has at least one of the following beneficial effects: This technical scheme enables effective position limitation when it is adjusted through the mutual cooperation between components such as the electric cylinder, the plug-in rod and the plug-in slot, and can also be adjusted when its driving motor is damaged, so that it can be used effectively and its use efficiency and work efficiency are improved.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 It is a partial stereogram of the utility model;

[0015] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure;

[0016] Figure 3 for Figure 2 A in the enlarged view;

[0017] Figure 4 for Figure 1 A partial three-dimensional view of the valve stem, tube body and other components.

[0018] Legend:

[0019] 1. Valve housing; 2. Valve stem; 3. Valve plate; 4. Sealing ring; 5. Tube body; 6. Shell; 7. Motor; 8. Docking shaft; 9. Worm; 10. Worm gear; 11. Cover; 12. Handle; 13. Battery; 14. Rotating tube; 15. Mounting slot; 16. Plug rod; 17. Plug slot; 18. Electric cylinder. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figures 1 to 4 The utility model embodiment is a kind of ingredient butterfly valve, which includes a valve shell 1, and the front and rear sides of the valve shell 1 are both opened, a valve stem 2 is arranged in the valve shell 1, and the left and right sides of the valve stem 2 are connected with valve plates 3 by bolts, the top of the valve shell 1 is penetrated and connected with a tube body 5, and the top of the tube body 5 is penetrated and connected with a shell 6, the top of the valve stem 2 is connected with a docking shaft 8 by bolts, and the top of the docking shaft 8 passes through the tube body 5 and extends into the shell 6 to be movably connected with a worm gear 10, the rear side of the worm gear 10 is meshed with a worm 9, and the left and right sides of the worm 9 are movably connected to the left and right inner walls of the shell 6 by a rotating shaft and a bearing respectively, a motor 7 is connected to the right outer wall of the shell 6 by bolts, and the right end of the worm 9 passes through the inner ring of the bearing and is connected to the output shaft of the motor 7.

[0022] The top of the worm wheel 10 is connected with a rotating tube 14, and the top of the rotating tube 14 is movably connected to the top of the inner cavity of the housing 6 through a bearing, the top of the housing 6 is connected to the cover 11 through bolts, and the bottom of the cover 11 is open, and the top of the docking shaft 8 passes through the rotating tube 14 and is movably connected to the top of the cover 11 through a bearing. Through this structure, it can be effectively adjusted, and during the adjustment process, it can effectively prevent its deviation and rotation, thereby improving its adjustment efficiency.

[0023] A mounting groove 15 is provided near the top of the left side wall of the docking shaft 8, and an electric cylinder 18 is installed in the mounting groove 15. The left end of the push rod on the electric cylinder 18 is connected to the plug rod 16 by bolts, and a plug slot 17 matching the plug rod 16 is provided on the left inner wall of the rotating tube 14. A handle 12 is attached to the top of the cover body 11, and the top of the docking shaft 8 is connected to the bottom of the handle 12 through the inner ring of the bearing. A battery 13 is connected to the top of the inner cavity of the shell 6 near the right side by bolts, and a control switch is electrically connected between the motor 7 and the electric cylinder 18 and the battery 13 through a power line. A sealing ring 4 is installed near the front and rear sides of the valve housing 1, and the two sealing rings 4 are symmetrically arranged front and back with the central axis of the valve housing 1 as the symmetry axis. Through this structure, it is possible to effectively limit the position when adjusting it, and it can also be adjusted when its driving motor is damaged, so that it can be used effectively, improving its use efficiency and work efficiency.

[0024] Working principle: When in use, this technical solution first completes the docking with the external pipe through the sealing ring 4, the motor 7 drives the worm 9 to rotate, the worm 9 drives the worm wheel 10 to rotate, the worm wheel 10 drives the docking shaft 8 to rotate through the rotating tube 14 and the plug-in groove 17 and the plug-in rod 16 thereon, and the docking shaft 8 drives the two valve plates 3 to rotate through the valve stem 2 to achieve flow regulation, and can effectively prevent them from shifting and rotating during the adjustment process, thereby improving its adjustment efficiency. When the tooth patterns on the worm wheel 10 and the worm 9 are damaged, the push rod on the electric cylinder 18 contracts to make the plug-in rod 16 disengage from the plug-in groove 17. At this time, turn the handle 12 clockwise or counterclockwise, the handle 12 drives the docking shaft 8 to rotate, and the docking shaft 8 drives the two valve plates 3 to rotate through the valve stem 2 to achieve flow regulation, which can be effectively adjusted, and can effectively prevent them from shifting and rotating during the adjustment process, thereby improving its adjustment efficiency.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A batching butterfly valve, characterized in that: include: A valve housing (1), wherein the front and rear sides of the valve housing (1) are both opened, a valve stem (2) is arranged in the valve housing (1), and the left and right sides of the valve stem (2) are connected to valve plates (3) by bolts, the top of the valve housing (1) is connected to a tube body (5), and the top of the tube body (5) is connected to a housing (6), the top of the valve stem (2) is connected to a docking shaft (8) by bolts, and the top end of the docking shaft (8) passes through the tube body (5) and extends into the housing (6) to be movably connected to a worm gear (10), the rear side of the worm gear (10) is meshed with a worm (9), and the left and right sides of the worm gear (9) are movably connected to the left and right inner walls of the housing (6) by a rotating shaft and a bearing, respectively, and the housing (6) ) is connected to a motor (7) on the right outer wall by bolts, and the right end of the worm (9) passes through the inner ring of the bearing and is connected to the output shaft of the motor (7), a mounting groove (15) is provided on the left side wall of the docking shaft (8) near the top, and an electric cylinder (18) is installed in the mounting groove (15), the left end of the push rod on the electric cylinder (18) is connected to a plug-in rod (16) by bolts, and a plug-in groove (17) matching the plug-in rod (16) is provided on the left inner wall of the rotating tube (14), a battery (13) is connected to the top of the inner cavity of the shell (6) near the right side by bolts, and a control switch is electrically connected between the motor (7) and the electric cylinder (18) and the battery (13) through a power line.

2. A butterfly valve for dispensing according to claim 1, characterized in that: A rotating tube (14) is connected through the top of the worm wheel (10), and the top of the rotating tube (14) is movably connected to the top of the inner cavity of the housing (6) through a bearing.

3. A butterfly valve for dispensing according to claim 1, characterized in that: The top of the shell (6) is connected to a cover body (11) via bolts, and the bottom of the cover body (11) is open. The top end of the docking shaft (8) passes through a rotating tube (14) and is movably connected to the top of the cover body (11) via a bearing.

4. A butterfly valve for dispensing ingredients according to claim 3, characterized in that: The top of the cover body (11) is fitted with a handle (12), and the top end of the docking shaft (8) passes through the inner ring of the bearing and is connected to the bottom of the handle (12).

5. A butterfly valve for dispensing ingredients according to claim 1, characterized in that: Sealing rings (4) are installed near the front and rear sides of the valve housing (1), and the two sealing rings (4) are symmetrically arranged front to back with the central axis of the valve housing (1) as the symmetry axis.

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