CN213982057U

CN213982057U - Hydraulic driven butterfly valve with double semicircular blades

Info

Publication number: CN213982057U
Application number: CN202022744200.1U
Authority: CN
Inventors: 张传洲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-08-17
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a two semicircle acanthus butterfly valves of hydraulic drive formula, actuating mechanism and stagnant water flange be connected including two semicircle acanthus, with two semicircle acanthus, two semicircle acanthus include pivot, first semicircle acanthus and second semicircle acanthus, and the pivot both ends are installed on stagnant water flange, and first semicircle acanthus and second semicircle acanthus rotate to be connected in the pivot, first semicircle acanthus and second semicircle acanthus structure include the face, fix the connecting seat at the face and with the connecting rod of connecting seat hub connection, the connecting seat includes the drive shaft, and the drive shaft is installed on the support at both ends, and the support both ends are fixed with the baffle, stagnant water flange is upper and lower split type flange, and the inner circle of stagnant water flange has the manger plate protruding, and the protruding front end of manger plate is the sealing washer. The utility model discloses a two semicircle acanthus can reach stagnant water effectual with actuating mechanism, easy operation, long service life's advantage.

Description

Hydraulic driven butterfly valve with double semicircular blades

Technical Field

The utility model relates to a butterfly valve field, especially hydraulic drive formula double semi-circle paddle butterfly valve.

Background

A butterfly valve, also called 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 which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.

The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe 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 of the existing double-blade plate is applied to a feed production line, the requirement on the sealing performance is low, and the pressure is low, for example, the patent application number is CN201820748155.7, the name is 'the double-blade butterfly valve on the feed production line', and the butterfly valve cannot be applied to hydraulic engineering.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve prior art not enough, provide the two semicircle lamina butterfly valves of hydraulic drive formula.

In order to realize the purpose, the following technical scheme is provided:

a hydraulic drive type butterfly valve with double semicircular blades comprises the double semicircular blades, a driving mechanism connected with the double semicircular blades and a water stop flange, wherein the double semicircular blades comprise a rotating shaft, a first semicircular blade and a second semicircular blade, two ends of the rotating shaft are arranged on the water stop flange, the first semicircular blade and the second semicircular blade are rotatably connected to the rotating shaft, the first semicircular blade and the second semicircular blade are identical in structure and are in mirror symmetry about the rotating shaft, the butterfly valve comprises a plate surface, a connecting seat fixed on the plate surface and a connecting rod connected with the connecting seat in a shaft mode, the connecting seat comprises a driving shaft, the driving shaft is arranged on supports at two ends, baffles are fixed at two ends of each support, one end of each connecting rod penetrates into the driving shaft to rotate around the shaft, the connecting seat is arranged on the back surfaces, in contact with water, of the first semicircular blade and the second semicircular blade, the water stop flange is a split flange, and the inner ring of the water stop flange is provided with a water stop bulge, the front end of the water retaining bulge is a sealing ring, the front end of the sealing ring is tightly attached to the double semicircular blade plates in a water-retaining state, the driving mechanism drives the connecting rods of the first semicircular blade plate and the second semicircular blade plate to drive the first semicircular blade plate and the second semicircular blade plate to open and close, and the driving mechanism is fixed on the pipe wall.

Preferably, the driving mechanism is a hydraulic cylinder, and the extending rod end of the hydraulic cylinder is simultaneously connected with the connecting rods of the first semicircular blade plate and the second semicircular blade plate.

Preferably, the upper and lower split bodies of the water stopping flange are sealed by a water lining rubber gasket.

Preferably, the water stopping flange is provided with a fixed positioning groove on the upper and lower split bodies for mounting the rotating shaft.

Preferably, the first semicircular blade plate and the second semicircular blade plate are provided with reinforcing ribs on one side.

The utility model discloses beneficial effect does:

1. the utility model discloses a two semicircle acanthus can reach stagnant water effectual with actuating mechanism, easy operation, long service life's advantage.

2. The water stopping flange is designed into an upper and lower split structure, so that a driving mechanism and a double-semicircular blade plate structure can be conveniently installed, and meanwhile, the water stopping protrusion and the sealing ring are additionally arranged on the inner surface of the water stopping flange, so that the double-semicircular blade plate structure can be effectively matched to realize water stopping and limiting.

Drawings

FIG. 1 is a schematic view of the overall structure of a hydraulically driven butterfly valve with double semicircular blades;

FIG. 2 is a schematic view of a double-semicircular blade plate structure;

FIG. 3 is an enlarged view of a portion of the connecting seat;

FIG. 4 is a schematic end view of a stop flange;

FIG. 5 is a schematic view of the double semicircular blades in the opened water discharge state.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the hydraulic drive type butterfly valve with double semicircular blades comprises a double semicircular blade 1, a driving mechanism 3 connected with the double semicircular blade 1 and a water stop flange 2, as shown in fig. 2, the double semicircular blade comprises a rotating shaft 10, a first semicircular blade 11 and a second semicircular blade 12, two ends of the rotating shaft 10 are installed on the water stop flange 2, the first semicircular blade 11 and the second semicircular blade 12 are rotatably connected on the rotating shaft 10, the first semicircular blade 11 and the second semicircular blade 12 have the same structure and are mirror-symmetric about the rotating shaft 10, the structure comprises a plate surface, a connecting seat 13 fixed on the plate surface and a connecting rod 15 connected with the connecting seat 13 through a shaft, as shown in fig. 3, the connecting seat 13 comprises a driving shaft 132, the driving shaft 132 is installed on supports 131 at two ends, baffles 130 are fixed at two ends of the support 131, one end of the connecting rod 15 penetrates through the driving shaft 132 and rotates around the shaft, the connecting seat 15 is installed on the back surfaces of the first semicircular blade 11 and the second semicircular blade 12 contacting with water, as shown in fig. 1 and 4, the water stopping flange 2 is an upper and lower split type flange, the inner ring of the water stopping flange 2 is provided with a water stopping protrusion 20, the front end of the water stopping protrusion 20 is provided with a sealing ring 23, the front end of the sealing ring 23 is tightly attached to the double semicircular blade plates 1 in a water stopping state, the driving mechanism 3 drives the connecting rods 15 of the first semicircular blade plate 11 and the second semicircular blade plate 12 to drive the first semicircular blade plate 11 and the second semicircular blade plate 12 to open and close, and the driving mechanism 1 is fixed on the pipe wall.

The driving mechanism is a hydraulic cylinder, and the extending rod end of the hydraulic cylinder is simultaneously connected with the other ends of the connecting rods 15 of the first semicircular blade plate and the second semicircular blade plate. As shown in fig. 5, the double semicircular blade plate 1 in the waterproof state, at this time, the extension rod of the hydraulic cylinder retracts to drive the first semicircular blade plate 11 and the second semicircular blade plate 12 to retract in the direction of the arrow as the water flow direction,

the upper and lower split bodies of the water stopping flange 2 are sealed 21 through water lining rubber gaskets.

The upper and lower split bodies of the water stopping flange 2 are provided with a fixed positioning groove 22 for installing the rotating shaft 10.

One side of the first semicircular blade plate and one side of the second semicircular blade plate are provided with reinforcing ribs 14.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The hydraulic drive type double-semicircular-blade-plate butterfly valve is characterized by comprising a double-semicircular blade plate, a driving mechanism connected with the double-semicircular blade plate and a water stop flange, wherein the double-semicircular blade plate comprises a rotating shaft, a first semicircular blade plate and a second semicircular blade plate, two ends of the rotating shaft are installed on the water stop flange, the first semicircular blade plate and the second semicircular blade plate are rotatably connected onto the rotating shaft, the first semicircular blade plate and the second semicircular blade plate are identical in structure and are in mirror symmetry with respect to the rotating shaft, the first semicircular blade plate and the second semicircular blade plate comprise plate surfaces, connecting seats fixed on the plate surfaces and connecting rods connected with the connecting seats in a shaft mode, each connecting seat comprises a driving shaft, the driving shafts are installed on supports at two ends, baffles are fixed at two ends of each support, one end of each connecting rod penetrates through the driving shaft and rotates around the shaft, the connecting seats are installed on the back surfaces of the first semicircular blade plate and the second semicircular blade plate, which are in contact with water, the water stop flange is a vertically split type flange, the inner ring of the water stopping flange is provided with a water stopping bulge, the front end of the water stopping bulge is a sealing ring, the front end of the sealing ring is tightly attached to the double semicircular blade plates in a water stopping state, the driving mechanism drives the connecting rods of the first semicircular blade plate and the second semicircular blade plate to drive the first semicircular blade plate and the second semicircular blade plate to open and close, and the driving mechanism is fixed on the pipe wall.

2. The hydraulically driven double semi-circular louver butterfly valve of claim 1 wherein the drive mechanism is a hydraulic cylinder having an extended rod end connected to both the first semi-circular louver and the second semi-circular louver connecting rod.

3. The hydraulically driven double semicircular louver butterfly valve according to claim 1, wherein the upper and lower split bodies of the water stop flange are sealed by a water-lined rubber gasket.

4. The hydraulically driven butterfly valve with double semicircular blades as claimed in claim 1, wherein the water stop flange has a fixing groove on its upper and lower parts for mounting the rotating shaft.

5. The hydraulically driven double half-round vane butterfly valve of claim 1, wherein the first half-round vane and the second half-round vane have a stiffening rib on one side.