CN218408563U

CN218408563U - Sanitary butterfly valve

Info

Publication number: CN218408563U
Application number: CN202222669018.3U
Authority: CN
Inventors: 哈彬彬
Original assignee: Zhejiang Kaiyu Valve Co ltd
Current assignee: Zhejiang Kaiyu Valve Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-01-31
Anticipated expiration: 2032-10-11

Abstract

The utility model provides a sanitary-grade butterfly valve, a side surface of valve body is provided with fixed establishment, a side skin weld of valve body has the shell, the inside swing joint of shell has the valve shaft, the one end fixedly connected with dish board of valve shaft, the inside of valve body is provided with filtering mechanism. This sanitation level butterfly valve, setting through fixed establishment and filter mechanism, inside the valve body is installed to the filter screen, the filter screen is put into inside the valve body, locating lever extrusion valve body inner wall, the spring returns and contracts, the locating lever gets into in the locating hole, spring reset this moment, the installation of filter screen has been accomplished, then, insert the water pipe in the valve body, there is certain gap between water pipe and the valve body, the inside sealing washer that closely laminates of valve body, the effectual outflow of avoiding kneck liquid, then, twist the bolt, it removes to drive the nut, make the locking washer slowly lock, the fixing and the sealing of water pipe have just so been accomplished, make the fixing between valve body and the water pipe more firm like this, and sealed effect is better.

Description

Sanitary butterfly valve

Technical Field

The utility model relates to a relevant technical field of sanitary-grade butterfly valve especially relates to a sanitary-grade butterfly valve.

Background

The sanitary butterfly valve is polished by standard electrons, the smooth surface is ensured to be clean, no medium storage area exists, no potential pollution is generated, the valve is disassembled and assembled quickly and easily, the process downtime is shortened, the sanitary butterfly valves of different types are different in application range, sanitary, automatic or manual butterfly valves are widely applied to occasions such as food, pharmacy, cosmetics, clean steam, wine, beverages and biochemical industrial process control, and the sanitary butterfly valves also have many advantages, wherein a nylon shaft sleeve is embedded in a valve rod, the friction is reduced, the butterfly valves are flexibly and easily opened, steel parts are made of stainless steel, rubber is made of food rubber, the sanitary quality is high, the opening and closing range is 0-90 degrees, the butterfly valves can be fixed at positions of 15 degrees every other and have adjustability and can be quickly opened and closed, the butterfly valves are convenient to operate, the butterfly valves are light and attractive in appearance, the surfaces are bright and free of dust adhesion, burrs and hand pricks and the like, the sanitary butterfly valves also have many characteristics including novel design, reasonability, unique structure, light weight, quick opening and quick and small torque, convenient operation, labor-saving, labor, sanitary and convenient installation, and long-life of sealing materials, and the sanitary butterfly valves can be driven by any of different types and the sealing method comprises the following different anti-aging driving modes: manual, worm and worm wheel transmission, pneumatic transmission, electric transmission, the connected mode includes: welding formula, ready-package, screw thread formula, clamp formula, wafer formula etc. but current health level butterfly valve, in the use, most health level butterfly valves are because the kneck between valve body and the water pipe does not have very firmly to the fixed of water pipe, and sealed effect is not good to probably lead to liquid can appear leaking at the in-process of circulation, so, a health level butterfly valve is particularly required.

However, in the use process of the existing sanitary butterfly valve, most of the sanitary butterfly valves are not very firm in fixing the water pipe due to the interface between the valve body and the water pipe, and the sealing effect is poor, so that liquid leakage can occur in the circulating process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sanitary-grade butterfly valve to solve the current sanitary-grade butterfly valve that proposes in the above-mentioned background art, most sanitary-grade butterfly valves, because kneck between valve body and the water pipe, it is not very firm to the fixed of water pipe, and sealed effect is not good, thereby can lead to liquid problem that the leakage can appear at the in-process of circulation.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a sanitary-grade butterfly valve, includes valve body and fixed establishment, and wherein fixed establishment includes lock ring, nut, screw hole, bolt and seal ring, a side surface of valve body is provided with fixed establishment, one side skin weld of valve body has the shell, the inside swing joint of shell has the valve shaft, the one end fixedly connected with dish board of valve shaft, the inside of valve body is provided with filtering mechanism.

Preferably, the fixing mechanism comprises a locking ring, a nut, a threaded hole, a bolt and a sealing ring, the locking ring is movably connected to the surface of one side of the valve body, the nut is welded to the surface of one side of the locking ring, the threaded hole is formed in the surface of one side of the nut, the bolt is in threaded connection with the threaded hole and the side wall of the threaded hole, and the sealing ring is tightly attached to the inside of the valve body.

Preferably, the bolt is in threaded connection with the nut through a threaded hole, and the outer size of the sealing ring is matched with the inner size of the valve body.

Preferably, the filtering mechanism comprises a positioning hole, a positioning rod, a spring, an installation shell, a filter screen and a limiting hole, the positioning hole is formed in the valve body, the positioning rod is movably connected to one end of the positioning hole, the spring is fixedly connected to the other end of the positioning rod, the installation shell is fixedly connected to one end of the spring, the filter screen is fixedly connected to one side surface of the installation shell, and the limiting hole is formed in one side surface of the installation shell.

Preferably, the external dimension of the filter screen is matched with the internal dimension of the mounting shell, and the external dimension of the positioning rod is matched with the internal dimension of the positioning hole.

Compared with the prior art, the beneficial effects of the utility model are that: this health level butterfly valve, through the locking washer, the nut, the screw hole, the setting of bolt and sealing washer, when using, when needs insert the water pipe in the valve body, because there is certain gap between water pipe and the valve body, this moment, the inside laminating closely of valve body has the sealing washer, can effectually avoid the outflow of kneck liquid like this, then through twisting the bolt, because the nut is fixed on the locking washer, twist the bolt, drive the nut and remove, thereby make the locking washer slowly lock, the fixing and the sealing of water pipe have just so been accomplished, it is more firm to make the fixing between valve body and the water pipe like this, and sealed effect is better.

Drawings

FIG. 1 is a schematic view of the side view structure of the present invention;

FIG. 2 is a schematic sectional view of the fixing mechanism of the present invention;

FIG. 3 is a schematic cross-sectional view of the filtering mechanism of the present invention;

FIG. 4 is a schematic view of the structure of the disc plate and the valve body of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a valve body; 2. a fixing mechanism; 201. a locking ring; 202. a nut; 203. a threaded hole; 204. A bolt; 205. a seal ring; 3. a housing; 4. a valve shaft; 5. a plate; 6. a filtering mechanism; 601. positioning holes; 602. positioning a rod; 603. a spring; 604. mounting a shell; 605. a filter screen; 606. and a limiting hole.

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 in the present invention, all other embodiments obtained by ordinary skilled in the art without creative work all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: including valve body 1 and fixed establishment 2, wherein fixed establishment 2 includes lock ring 201, nut 202, screw hole 203, bolt 204 and sealing washer 205, its characterized in that: the valve comprises a valve body 1, and is characterized in that a fixing mechanism 2 is arranged on the surface of one side of the valve body 1, a shell 3 is welded on the surface of one side of the valve body 1, a valve shaft 4 is movably connected inside the shell 3, a disc plate 5 is fixedly connected at one end of the valve shaft 4, and a filtering mechanism 6 is arranged inside the valve body 1.

Further, the fixing mechanism 2 comprises a locking ring 201, a nut 202, a threaded hole 203, a bolt 204 and a sealing ring 205, the locking ring 201 is movably connected to one side surface of the valve body 1, the nut 202 is welded to one side surface of the locking ring 201, the threaded hole 203 is formed in one side surface of the nut 202, the bolt 204 is in threaded connection with the side wall of the threaded hole 203, the sealing ring 205 is tightly attached to the inside of the valve body 1, the locking ring 201, the nut 202, the threaded hole 203, the bolt 204 and the sealing ring 205 are arranged, when the water pipe needs to be connected into the valve body 1 in use, a certain gap exists between the water pipe and the valve body 1, at the moment, the sealing ring 205 is tightly attached to the inside of the valve body 1, so that liquid at an interface can be effectively prevented from flowing out, then the bolt 204 is screwed, the nut 202 is fixed to the locking ring 201, the bolt 204 is screwed to drive the nut 202 to move, so that the locking ring 201 is slowly locked, and thus the fixing and the sealing of the water pipe are completed.

Further, the bolt 204 is in threaded connection with the nut 202 through the threaded hole 203, the outer size of the sealing ring 205 is matched with the inner size of the valve body 1, and through the arrangement of the sealing ring 205 and the valve body 1, when the water pipe sealing device is used, the outer size of the sealing ring 205 is matched with the inner size of the valve body 1, so that the sealing effect is better when the water pipe is connected to the valve body 1.

Further, the filtering mechanism 6 includes a positioning hole 601, a positioning rod 602, a spring 603, a mounting shell 604, a filter screen 605 and a limiting hole 606, the positioning hole 601 is formed in the valve body 1, one end of the positioning hole 601 is movably connected with the positioning rod 602, the other end of the positioning rod 602 is fixedly connected with the spring 603, one end of the spring 603 is fixedly connected with the mounting shell 604, one side surface of the mounting shell 604 is fixedly connected with the filter screen 605, one side surface of the mounting shell 604 is provided with the limiting hole 606, through the positioning hole 601, the positioning rod 602, the spring 603, the mounting shell 604, the filter screen 605 and the limiting hole 606, when the filtering screen 605 is placed in the valve body 1, the positioning rod 602 presses the inner wall of the valve body 1 to retract the spring 603, when the positioning rod 602 moves to the same position as the positioning hole 601, the positioning rod 602 enters the positioning hole 601, the spring 603 resets at the moment, the filter screen 605 is mounted, then the valve shaft 4 is rotated to enable the disc plate 5 to be at a certain distance from the inside of the valve body 1, liquid flows in, and at the moment, the filtering screen 605 plays a role of filtering liquid flowing in filtering.

Furthermore, the external dimension of filter screen 605 is identical with the internal dimension of installation shell 604, and the external dimension of locating lever 602 is identical with the internal dimension of locating hole 601, and through the setting of locating lever 602 and locating hole 601, when using, because the external dimension of locating lever 602 is identical with the internal dimension of locating hole 601, make the installation of filter screen 605 more stable like this.

The working principle is as follows: firstly, a filter screen 605 is required to be installed inside a valve body 1, when the filter screen 605 is placed inside the valve body 1, a positioning rod 602 extrudes the inner wall of the valve body 1, a spring 603 retracts, when the positioning rod 602 moves to the same position as the positioning hole 601, the positioning rod 602 enters the positioning hole 601, the spring 603 resets at the moment, as the outer size of the positioning rod 602 is matched with the inner size of the positioning hole 601, the installation of the filter screen 605 is more stable, at the moment, the installation of the filter screen 605 is completed, then when a water pipe is connected into the valve body 1, as a certain gap is formed between the water pipe and the valve body 1, at the moment, a sealing ring 205 is tightly attached inside the valve body 1, as the outer size of the sealing ring 205 is matched with the inner size of the valve body 1, the outflow of liquid at a joint can be effectively avoided, then, the bolt 204 is screwed, as the nut 202 is fixed on the locking ring 201, the bolt 204 is screwed, the nut 202 is driven to drive the nut 202 to move, so that the locking ring 201 is slowly locked, the fixing and the water pipe is completed, after the installation of the filter screen 605 and the water pipe is completely installed, then, the valve shaft 4 is rotated, a certain distance between the disc 5 and the valve shaft 1, when the filter screen 605 flows into the valve body 1, the water flows into the butterfly valve, so that the liquid flows into a sanitary process, and the filter screen is used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sanitary-grade butterfly valve, includes valve body (1) and fixed establishment (2), and wherein fixed establishment (2) are including check ring (201), nut (202), screw hole (203), bolt (204) and sealing washer (205), its characterized in that: the valve is characterized in that a fixing mechanism (2) is arranged on the surface of one side of the valve body (1), a shell (3) is welded on the surface of one side of the valve body (1), a valve shaft (4) is movably connected inside the shell (3), a disc plate (5) is fixedly connected at one end of the valve shaft (4), and a filtering mechanism (6) is arranged inside the valve body (1).

2. The sanitary butterfly valve of claim 1, wherein: fixing mechanism (2) include check ring (201), nut (202), screw hole (203), bolt (204) and sealing washer (205), one side surface swing joint of valve body (1) has check ring (201), one side surface welding of check ring (201) has nut (202), threaded hole (203) have been seted up to one side surface of nut (202), a lateral wall threaded connection of screw hole (203) has bolt (204), the inside of valve body (1) closely laminates and has sealing washer (205).

3. A sanitary butterfly valve according to claim 2, characterized in that: the bolt (204) is in threaded connection with the nut (202) through the threaded hole (203), and the outer size of the sealing ring (205) is matched with the inner size of the valve body (1).

4. The sanitary butterfly valve of claim 1, wherein: the filtering mechanism (6) comprises a positioning hole (601), a positioning rod (602), a spring (603), an installation shell (604), a filter screen (605) and a limiting hole (606), wherein the positioning hole (601) is formed in the valve body (1), one end of the positioning hole (601) is movably connected with the positioning rod (602), the other end of the positioning rod (602) is fixedly connected with the spring (603), one end of the spring (603) is fixedly connected with the installation shell (604), one side surface of the installation shell (604) is fixedly connected with the filter screen (605), and the limiting hole (606) is formed in one side surface of the installation shell (604).

5. The sanitary butterfly valve of claim 4, wherein: the external dimension of the filter screen (605) is matched with the internal dimension of the mounting shell (604), and the external dimension of the positioning rod (602) is matched with the internal dimension of the positioning hole (601).