CN212155835U

CN212155835U - High-strength wear-resistant butterfly valve

Info

Publication number: CN212155835U
Application number: CN202020511151.4U
Authority: CN
Inventors: 刘朋; 洪建团
Original assignee: Vof Valve Manufacturing Co ltd
Current assignee: Vof Valve Manufacturing Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-12-15
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses a wear-resisting butterfly valve of high strength relates to valve technical field. The utility model discloses an go up the lid, connect the lid, the valve body, the valve plate, lid and valve rod down, go up lid one end and be connected with connecting the lid, connect lid one end and valve body connection, valve body one end is connected with lid down, is provided with the sealing layer in the valve body, the sealing layer inboard is provided with the ceramic layer, the sealing layer inboard still is provided with the gomphosis groove, the valve plate is installed and is adapted at the valve body, the valve plate is connected with the valve rod, valve rod and valve body normal running fit, valve rod one end is through last lid, the valve rod other end is connected with the ball, ball and lower lid roll fit, the utility model discloses an use adjust knob, make it can dismantle the replacement, when water pressure change leads to rotating the difficulty, can replace the bigger adjust knob of diameter, improved the practicality, the utility model discloses an use bilayer structure.

Description

High-strength wear-resistant butterfly valve

Technical Field

The utility model belongs to the technical field of the valve, especially, relate to a wear-resisting butterfly valve of high strength.

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 is a valve which uses a disc type opening and closing piece to rotate back and forth by about 90 degrees to open, close or adjust the medium flow. The butterfly valve has the advantages of simple structure, small volume, light weight, less material consumption, small installation size, small driving moment, simple and convenient operation and rapidness, and simultaneously has good flow regulation function and sealing closing characteristic, thereby being one of the fastest valve varieties developed in the last ten years. Butterfly valves are widely used. The variety and number of uses thereof are still continuously expanding and are developing toward high temperature, high pressure, large caliber, high sealing property, long life, excellent regulation property, and one-valve multi-function. The reliability and other performance indexes of the composite material reach higher levels.

However, the butterfly valve is at the in-process of using, because water pressure strikes for a long time, valve internals fragile, reduced life, the utility model provides a wear-resisting butterfly valve of high strength to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting butterfly valve of high strength solves current butterfly valve at the in-process that uses, because water pressure strikes for a long time, valve internals fragile, reduced life's problem.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a high-strength wear-resistant butterfly valve, which comprises an upper cover body, a connecting cover, a valve body, a valve plate, a lower cover body and a valve rod;

the improved valve plate structure is characterized in that one end of the upper cover body is connected with the connecting cover, one end of the connecting cover is connected with the valve body, one end of the valve body is connected with the lower cover body, a sealing layer is arranged in the valve body, a ceramic layer is arranged on the inner side of the sealing layer, an embedded groove is further formed in the inner side of the sealing layer, the valve plate is installed on the valve body and is adapted to the valve body, the valve plate is connected with the valve rod, the valve rod is in running fit with the valve body, one end of the valve rod passes through the upper cover body, the other end of the valve rod is connected with a ball, the ball is in rolling fit with the lower cover body, in the structure, the sealing layer mainly plays a role in sealing, the.

Preferably, go up the lid and pass through bolted connection with lower lid, above-mentioned structure simple to operate, the leakproofness is good.

Preferably, go up the inside a plurality of fillers that are provided with of lid, filler one side is provided with the upper seal and packs, be provided with the axle sleeve in the connecting cover, the upper seal packs and the axle sleeve all contradict with valve rod week side, and above-mentioned structure mainly used protects the valve rod, reduces the wearing and tearing of the week side of valve rod.

Preferably, the lower cover body is internally provided with a lower sealing filler and a lower shaft sleeve, and the lower sealing filler and the lower shaft sleeve are both abutted against the peripheral side face of the valve rod.

Preferably, the valve body surface still is provided with a plurality of connecting holes, and in the above-mentioned structure, the connecting hole is used for being connected with other external pipelines, and the installation of being convenient for improves the practicality.

Preferably, the valve plate is bilayer structure, be provided with a plurality of supporting shoes in the bilayer structure, valve plate week side is provided with the sealing washer, valve plate and valve rod fixed connection, the valve plate surface is provided with a plurality of strengthening ribs, and above-mentioned structure has strengthened the intensity of valve plate, makes it can bear bigger water pressure impact, and the sealing washer has improved valve plate operating condition's leakproofness in addition.

Preferably, the diameter of valve rod is greater than the thickness of valve plate, valve rod one end is connected with adjust knob, adjust knob passes through hex bolts and valve rod cooperation, and in the above-mentioned structure, adjust knob can dismantle the replacement, has improved the practicality, and the diameter of valve rod is greater than valve plate thickness and is favorable to the valve plate atress, makes adjust knob rotate more easily.

The utility model discloses following beneficial effect has:

1. the utility model can be disassembled and replaced by using the adjusting knob, when the water pressure changes to cause the difficult rotation, the adjusting knob with larger diameter can be replaced, and the practicability is improved;

2. the utility model discloses an use bilayer structure's valve plate, improved the intensity of valve plate, make it can bear bigger water pressure.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic three-dimensional structure diagram of a high-strength wear-resistant butterfly valve of the present invention;

fig. 2 is a side view of a high-strength wear-resistant butterfly valve of the present invention;

fig. 3 is a front view of a high-strength wear-resistant butterfly valve of the present invention;

FIG. 4 is a cross-sectional view taken along the plane A-A in FIG. 2;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

fig. 6 is a three-dimensional structure diagram of a valve plate of a high-strength wear-resistant butterfly valve of the present invention;

fig. 7 is a side view of the valve plate of the high-strength wear-resistant butterfly valve of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-adjusting knob, 2-upper cover body, 3-connecting cover, 4-valve body, 5-embedded groove, 6-valve plate, 7-lower cover body, 8-connecting hole, 9-bolt, 10-valve rod, 11-filling block, 12-upper sealing filler, 13-upper shaft sleeve, 14-sealing layer, 15-ceramic layer, 16-supporting block, 17-lower sealing filler, 18-lower shaft sleeve, 19-ball, 20-sealing ring and 21-reinforcing rib.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", "around" or positional relationships are used merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The first embodiment is as follows:

referring to fig. 1-7, the present invention relates to a high-strength wear-resistant butterfly valve, which comprises an upper cover body 2, a connecting cover 3, a valve body 4, a valve plate 6, a lower cover body 7 and a valve rod 10;

go up lid 2 one end and be connected with connecting cover 3, connecting cover 3 one end is connected with valve body 4, valve body 4 one end is connected with lower lid 7, be provided with sealing layer 14 in the valve body 4, sealing layer 14 inboard is provided with ceramic layer 15, sealing layer 14 inboard still is provided with gomphosis groove 5, valve plate 6 installs and suits at valve body 4, valve plate 6 is connected with valve rod 10, valve rod 10 and valve body 4 normal running fit, upper lid 2 is passed through to valve rod 10 one end, the valve rod 10 other end is connected with ball 19, ball 19 and lower lid 7 roll fit, in the above-mentioned structure, sealing layer 14 mainly plays the sealing action, ceramic layer 15 can reduce the frictional force when contacting with valve plate 6, the wearing and tearing of valve plate 6 have been reduced, in addition through using ball 19 and lower lid 7 roll fit, the wearing and.

Wherein, go up lid 2 and lid 7 down and pass through bolt 9 and connect, above-mentioned structure simple to operate, the leakproofness is good.

Wherein, go up 2 inside packing pieces 11 that are provided with of lid, packing piece 11 one side is provided with upper seal filler 12, is provided with upper shaft cover 13 in the connection lid 3, and upper seal filler 12 and upper shaft cover 13 all contradict with valve rod 10 week side, and above-mentioned structure mainly used protects valve rod 10, reduces the wearing and tearing of valve rod 10 week side.

Wherein, the lower cover body 7 is internally provided with a lower sealing filler 17 and a lower shaft sleeve 18, and both the lower sealing filler 17 and the lower shaft sleeve 18 are abutted against the peripheral side surface of the valve rod 10.

Wherein, valve body 4 surface still is provided with a plurality of connecting holes 8, and in the above-mentioned structure, connecting hole 8 is used for being connected with other external pipelines, and the installation of being convenient for improves the practicality.

Wherein, valve plate 6 is bilayer structure, is provided with a plurality of supporting shoes 16 in the bilayer structure, and 6 week side faces of valve plate are provided with sealing washer 20, and valve plate 6 and valve rod 10 fixed connection, 6 surfaces of valve plate are provided with a plurality of strengthening ribs 21, and above-mentioned structure has strengthened the intensity of valve plate 6, makes it can bear bigger water pressure impact, and sealing washer 20 has improved 6 operating condition's of valve plate leakproofness in addition.

Wherein, the diameter of valve rod 10 is greater than the thickness of valve plate 6, and valve rod 10 one end is connected with adjust knob 1, and adjust knob 1 passes through hex bolts and the cooperation of valve rod 10, and in the above-mentioned structure, adjust knob 1 can dismantle the replacement, has improved the practicality, and the diameter of valve rod 10 is greater than 6 thicknesses of valve plate and is favorable to the atress of valve plate 6, makes adjust knob 1 rotate more easily.

Example two:

referring to fig. 1-7, the present invention relates to a high-strength wear-resistant butterfly valve, which is used by the following steps:

1. through rotatory adjust knob 1, drive valve rod 10 and rotate, valve rod 10 drives valve plate 6 and rotates, and the flow through valve body 4 is controlled to the opening size through control valve plate 6, if when rivers pressure was too big, can replace the adjust knob 1 of different models, makes valve rod 10 rotate more conveniently.

Example three:

referring to fig. 1-7, the present invention is a high-strength wear-resistant butterfly valve, wherein the ceramic layer 15 can be replaced by other materials as long as the friction with the valve plate 6 can be reduced.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a wear-resisting butterfly valve of high strength, includes upper cover body (2), connecting cover (3), valve body (4), valve plate (6), lower lid (7) and valve rod (10), its characterized in that:

one end of the upper cover body (2) is connected with the connecting cover (3), one end of the connecting cover (3) is connected with the valve body (4), one end of the valve body (4) is connected with the lower cover body (7), a sealing layer (14) is arranged in the valve body (4), a ceramic layer (15) is arranged on the inner side of the sealing layer (14), and a tabling groove (5) is also arranged on the inner side of the sealing layer (14);

the valve plate (6) is installed and is adapted in valve body (4), valve plate (6) is connected with valve rod (10), valve rod (10) and valve body (4) normal running fit, upper cover body (2) is passed through to valve rod (10) one end, the valve rod (10) other end is connected with ball (19), ball (19) and lower cover body (7) roll fit.

2. A high strength wear resistant butterfly valve according to claim 1, characterized in that the upper cover body (2) and the lower cover body (7) are connected by bolts (9).

3. The high-strength wear-resistant butterfly valve according to claim 1, wherein a plurality of packing blocks (11) are arranged inside the upper cover body (2), an upper sealing packing (12) is arranged on one side of each packing block (11), an upper shaft sleeve (13) is arranged inside the connecting cover (3), and both the upper sealing packing (12) and the upper shaft sleeve (13) are abutted against the peripheral side surface of the valve rod (10).

4. The high-strength wear-resistant butterfly valve according to claim 1, wherein a lower sealing packing (17) and a lower bushing (18) are arranged inside the lower cover body (7), and the lower sealing packing (17) and the lower bushing (18) are abutted against the peripheral side surface of the valve rod (10).

5. A high strength wear-resistant butterfly valve according to claim 1, characterized in that the valve body (4) is further provided with a plurality of connecting holes (8) on its surface.

6. The high-strength wear-resistant butterfly valve according to claim 1, wherein the valve plate (6) is of a double-layer structure, a plurality of support blocks (16) are arranged in the double-layer structure, a sealing ring (20) is arranged on the peripheral side surface of the valve plate (6), the valve plate (6) is fixedly connected with the valve rod (10), and a plurality of reinforcing ribs (21) are arranged on the surface of the valve plate (6).

7. A high strength wear resistant butterfly valve according to claim 1, characterized in that the diameter of the valve rod (10) is larger than the thickness of the valve plate (6), one end of the valve rod (10) is connected with an adjusting knob (1), and the adjusting knob (1) is matched with the valve rod (10) through a hexagon screw.