CN213871144U

CN213871144U - Novel quick-closing butterfly valve

Info

Publication number: CN213871144U
Application number: CN202022215100.XU
Authority: CN
Inventors: 乔玉峰; 张圆圆; 张莹; 高忠州
Original assignee: Henan Zhengdie Fluid Equipment Co ltd
Current assignee: Henan Zhengdie Fluid Equipment Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-08-03
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a novel quick-closing butterfly valve, which relates to the technical field of valves and comprises a valve body, a valve rod is arranged on the valve body, a butterfly plate is arranged on the valve rod, a lower disk body is arranged on the valve body, one end of the valve rod, which is far away from the valve body, is rotatably connected with the upper disk body, a driving structure for driving the valve rod to rotate is arranged on the upper disk body, the driving structure comprises a servo motor, a first gear and a driving rod, the servo motor is arranged on the upper disk body, the first gear is fixedly sleeved on the valve rod, the driving rod is rotatably arranged on the lower disk body, an output shaft of the servo motor is connected with the driving rod, a second gear meshed with the first gear is arranged on the driving rod, and a limiting structure for preventing the butterfly plate from rotating is also arranged on the upper disk body; the utility model has the advantages of convenient use, high adjusting precision, high speed and the like.

Description

Novel quick-closing butterfly valve

Technical Field

The utility model relates to a technical field of valve, in particular to novel fast butterfly valve of closing.

Background

The butterfly valve is also called as a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member which is a disc and rotates around a valve shaft to open and close; the valve can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like; the pipeline mainly plays a role in cutting off and throttling; the butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

The butterfly valve mainly cuts off and throttles through manual and electronic two kinds, and the butterfly valve mainly cuts off the flow, but the throttle degree of accuracy angle of current butterfly valve, the leading cause is the turned angle of the unable accurate control butterfly plate of operating personnel, therefore this application has set up a novel quick-closing butterfly valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a novel fast butterfly valve of closing is provided for the problem that the degree of accuracy is low when solving the butterfly valve throttle among the prior art of description in the background art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a novel fast butterfly valve that closes, includes the valve body, be provided with the valve rod on the valve body, be provided with the butterfly plate on the valve rod, be provided with down the disk body on the valve body, the one end of keeping away from the valve body on the valve rod is connected with last disk body rotation, upward be provided with drive valve rod pivoted drive structure on the disk body, drive structure is including setting up servo motor, the fixed cover on the disk body establish with the valve rod on the first gear and rotate the actuating lever that sets up under on the disk body, servo motor's output shaft and actuating lever are connected, be provided with on the actuating lever with first gear engagement's second gear, still be provided with on the last disk body and be used for preventing the rotary limit structure of butterfly plate.

Preferably: the limiting structure comprises a lifting cylinder arranged on the upper disc body and a positioning rod, wherein the two ends of the positioning rod are respectively connected with the upper disc body and the lower disc body, a third gear meshed with the first gear is arranged on a piston rod of the lifting cylinder, and the positioning rod penetrates through the third gear in a sliding mode.

Preferably: an annular connecting plate is arranged between the upper disc body and the lower disc body, and the first gear, the second gear and the third gear are arranged in a cavity formed by the upper disc body, the lower disc body and the connecting plate.

Preferably: and a sealing bearing is arranged between the outer circumferential wall of the valve rod and the upper end wall of the valve body.

Preferably: and a sealing ring is arranged between the outer circumferential wall of the valve rod and the lower end wall of the valve body.

The beneficial effect of adopting above technical scheme is:

this application can drive the actuating lever through the servo motor who sets up and rotate, pivoted actuating lever can drive the second gear and rotate, nearly and drive first gear and valve rod and rotate, thereby accomplish the rotation of butterfly plate, after the rotation is accomplished, start the lift cylinder, the lift cylinder can drive the vertical removal of third gear, make third gear and first gear engagement, thereby restrict the rotation of first gear, nearly and restrict the rotation of butterfly plate, through servo motor, the more accurate angle of setting is rotated to the drive butterfly plate of the cooperation of first gear and second gear.

Drawings

Fig. 1 is a schematic structural diagram of the novel quick-closing butterfly valve of the present invention.

Wherein: the valve comprises a valve body 10, a valve rod 20, a butterfly plate 30, a sealing bearing 31, a sealing ring 32, a connecting plate 40, a lower disc 41, an upper disc 42, a driving structure 50, a first gear 51, a servo motor 52, a driving rod 53, a second gear 54, a limiting structure 60, a positioning rod 61, a lifting cylinder 62 and a third gear 63.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the embodiment, as shown in fig. 1, in this embodiment, a novel quick-closing butterfly valve includes a valve body 10, a valve rod 20 is disposed on the valve body 10, a butterfly plate 30 is disposed on the valve rod 20, a lower disc 41 is disposed on the valve body 10, one end of the valve rod 20, which is far away from the valve body 10, is rotatably connected to an upper disc 42, a driving structure 50, which drives the valve rod 20 to rotate, is disposed on the upper disc 42, the driving structure 50 includes a servo motor 62 disposed on the upper disc 42, a first gear 51 fixedly sleeved on the valve rod 20, and a driving rod 53 rotatably disposed on the lower disc 41, an output shaft of the servo motor 52 is connected to the driving rod 53, a second gear 54 engaged with the first gear 51 is disposed on the driving rod 53, and a limiting structure 60 for preventing the butterfly plate 40 from rotating is further disposed on the upper disc 42.

Preferably: the limiting structure 60 comprises a lifting cylinder 62 arranged on the upper disc body 42 and a positioning rod 61 with two ends respectively connected with the upper disc body 42 and the lower disc body 41, a piston rod of the lifting cylinder 62 is provided with a third gear 63 meshed with the first gear 51, and the positioning rod 61 penetrates through the third gear 63 in a sliding manner.

Preferably: an annular connecting plate 40 is arranged between the upper disc body 42 and the lower disc body 41, and the first gear 51, the second gear 54 and the third gear 63 are arranged in a cavity formed by the upper disc body 42, the lower disc body 41 and the connecting plate 40.

Preferably: a sealing bearing 31 is disposed between the outer circumferential wall of the valve rod 20 and the upper end wall of the valve body 10.

Preferably: a sealing ring 32 is disposed between the outer circumferential wall of the valve rod 20 and the lower end wall of the valve body 10.

The specific implementation manner of this embodiment:

the method is implemented by starting the servo motor 52, the servo motor 52 drives the second gear 54 on the driving rod 53 to rotate, the first gear 51 is driven to rotate, the first gear 51 drives the valve rod 20 to rotate, so that the butterfly plate 30 is driven to rotate by a certain angle, then the lifting cylinder 62 drives the third gear 63 to vertically move, so that the third gear 63 is meshed with the first gear 51, and due to the existence of the two positioning rods 61, the third gear 63 cannot rotate, so that the first gear 51 can be clamped by the third gear 63, and the butterfly plate 30 cannot rotate nearby; and the cavity formed by the upper disk body 42, the lower disk body 41 and the connecting plate 40 can start the functions of dust prevention and corrosion prevention.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims

1. The utility model provides a novel fast butterfly valve that closes, includes the valve body, be provided with the valve rod on the valve body, be provided with butterfly plate, its characterized in that on the valve rod: the improved butterfly valve is characterized in that a lower disk body is arranged on the valve body, one end, far away from the valve body, of the valve rod is connected with the upper disk body in a rotating mode, a driving structure for driving the valve rod to rotate is arranged on the upper disk body, the driving structure comprises a servo motor, a first gear and a driving rod, the servo motor, the first gear and the driving rod are arranged on the upper disk body in a sleeved mode, the first gear is arranged on the valve rod in a rotating mode, the driving rod is arranged on the lower disk body in a rotating mode, an output shaft of the servo motor is connected with the driving rod, a second gear meshed with the first gear is arranged on the driving rod, and a limiting structure used for preventing the butterfly plate from rotating is further arranged on the upper disk body.

2. The novel quick-closing butterfly valve according to claim 1, wherein the limiting structure comprises a lifting cylinder disposed on the upper disk body, and a positioning rod having two ends connected to the upper disk body and the lower disk body, respectively, a piston rod of the lifting cylinder is provided with a third gear engaged with the first gear, and the positioning rod slides through the third gear.

3. The novel quick-closing butterfly valve according to claim 2, wherein an annular connecting plate is arranged between the upper disk body and the lower disk body, and the first gear, the second gear and the third gear are arranged in a cavity formed by the upper disk body, the lower disk body and the connecting plate.

4. The new type of quick-closing butterfly valve according to claim 3, characterized in that a sealing bearing is provided between the outer circumferential wall of the valve stem and the upper end wall of the valve body.

5. The new type of quick-closing butterfly valve according to claim 4, characterized in that a sealing ring is provided between the outer circumferential wall of the valve stem and the lower end wall of the valve body.