CN218408563U - Sanitary butterfly valve - Google Patents

Abstract

The utility model provides a sanitary butterfly valve, one side surface of the valve body is provided with a fixing mechanism, one side surface of the valve body is welded with a casing, the inside of the casing is movably connected with a valve shaft, and the valve shaft One end of the valve body is fixedly connected with a disc plate, and a filtering mechanism is arranged inside the valve body. The sanitary butterfly valve, through the setting of the fixing mechanism and the filtering mechanism, the filter is installed inside the valve body, the filter is put into the valve body, the positioning rod squeezes the inner wall of the valve, the spring retracts, and the positioning rod enters the positioning hole. At this time, the spring resets, and the installation of the filter net is completed. Then, the water pipe is connected to the valve body. There is a certain gap between the water pipe and the valve body. The inside of the valve body is tightly fitted with a sealing ring, which can effectively avoid liquid leakage at the interface. Then, turn the bolt to drive the nut to move, so that the locking ring is slowly locked, so that the fixing and sealing of the water pipe are completed, so that the fixing between the valve body and the water pipe is more firm, and the sealing effect is better.

Description

A sanitary butterfly valve

technical field

The utility model relates to the related technical field of a sanitary butterfly valve, in particular to a sanitary butterfly valve.

Background technique

Sanitary butterfly valves are electronically polished as standard, with smooth surfaces to ensure cleanliness, no media accumulation areas, and no potential contamination. Quick disassembly valves make valve opening and maintenance quick and easy, reducing process downtime. Different types of sanitary Butterfly valves have different application ranges. Sanitary, automatic or manual operation butterfly valves are widely used in food, pharmaceutical, cosmetic, clean steam, wine, beverage, biochemical industrial process control occasions. This type of sanitary butterfly valve is also It has many advantages, among which the valve stem is inlaid with nylon bushing, which reduces the frictional force, so it can be opened flexibly and easily. The steel parts are made of stainless steel, and the rubber is made of food rubber. The hygienic quality is high. The opening and closing range is 0-90 degrees, and it can be fixed. It is adjustable at every 15 degree position, and it can be opened and closed quickly, easy to operate, light and beautiful in shape, bright and not sticky, no burrs, etc. This kind of sanitary butterfly valve also has many characteristics, including Novel design, reasonable, unique structure, light weight, fast opening and closing, small operating torque, convenient operation, labor-saving and smart, can be installed in any position, convenient maintenance, sealing material aging resistance, corrosion resistance, long service life, etc., but different types The drive mode and connection mode of the sanitary butterfly valve are also different, and the drive mode includes: manual, worm gear drive, pneumatic drive, electric drive, and the connection mode includes: welding type, quick installation type, thread type, clamp type, pair Clamp type, etc., but the existing sanitary butterfly valves, in the process of use, most of the sanitary butterfly valves, due to the interface between the valve body and the water pipe, are not very firmly fixed to the water pipe, and the sealing effect is not good, so it may It will cause the liquid to leak during the circulation process. Therefore, a sanitary butterfly valve is especially needed.

However, during the use of the existing sanitary butterfly valves, most of the sanitary butterfly valves do not fix the water pipe very firmly at the interface between the valve body and the water pipe, and the sealing effect is not good, which may cause the liquid to flow in Leakage occurs during circulation.

Utility model content

The purpose of this utility model is to provide a sanitary butterfly valve to solve the existing sanitary butterfly valves proposed in the above-mentioned background technology. Most sanitary butterfly valves do not have the ability to fix the water pipe due to the interface between the valve body and the water pipe. It is very strong, and the sealing effect is not good, which may cause the problem of leakage of liquid in the process of circulation.

In order to achieve the above purpose, the utility model provides the following technical solutions: a sanitary butterfly valve, including a valve body and a fixing mechanism, wherein the fixing mechanism includes a locking ring, a nut, a threaded hole, a bolt and a sealing ring, and one part of the valve body The side surface is provided with a fixing mechanism, one side surface of the valve body is welded with a shell, the inside of the shell is movably connected with a valve shaft, one end of the valve shaft is fixedly connected with a disc plate, and the inside of the valve body is provided with a filter mechanism.

Preferably, the fixing mechanism includes a locking ring, a nut, a threaded hole, a bolt and a sealing ring, one side surface of the valve body is movably connected with a locking ring, and one side surface of the locking ring is welded with a nut, the One side surface of the nut is provided with a threaded hole, the side wall of the threaded hole is threadedly connected with a bolt, and the inside of the valve body is tightly fitted with a sealing ring.

Preferably, the bolt is threadedly connected to the nut through a threaded hole, and the outer dimension of the sealing ring matches the inner dimension of the valve body.

Preferably, the filter mechanism includes a positioning hole, a positioning rod, a spring, a mounting shell, a filter screen and a limiting hole, the inside of the valve body is provided with a positioning hole, one end of the positioning hole is movably connected to a positioning rod, and the positioning The other end of the rod is fixedly connected with a spring, one end of the spring is fixedly connected with a mounting shell, one side surface of the mounting shell is fixedly connected with a filter screen, and a limiting hole is opened on one side surface of the mounting shell.

Preferably, the external dimensions of the filter screen coincide with the internal dimensions of the mounting case, and the external dimensions of the positioning rods coincide with the internal dimensions of the positioning holes.

Compared with the prior art, the beneficial effect of the utility model is: the sanitary butterfly valve, through the setting of the locking ring, nut, threaded hole, bolt and sealing ring, when in use, when the water pipe needs to be connected to the valve body At this time, because there is a certain gap between the water pipe and the valve body, at this time, the inside of the valve body is tightly fitted with a sealing ring, which can effectively prevent the liquid from flowing out at the interface, and then by turning the bolt, because the nut is fixed on the lock On the ring, turn the bolt to drive the nut to move, so that the locking ring is slowly locked, thus completing the fixing and sealing of the water pipe, so that the fixing between the valve body and the water pipe is more firm, and the sealing effect is better .

Description of drawings

Fig. 1 is the utility model appearance side view structure schematic diagram;

Fig. 2 is a schematic cross-sectional structure diagram of the fixing mechanism of the present invention;

Fig. 3 is a schematic cross-sectional structure diagram of the filter mechanism of the present invention;

Fig. 4 is a schematic diagram of the mutual cooperation structure of the disc plate and the valve body of the present invention;

Fig. 5 is a schematic diagram of the enlarged structure at A in Fig. 3 of the present utility model.

In the figure: 1, valve body; 2, fixing mechanism; 201, locking ring; 202, nut; 203, threaded hole; 204, bolt; 205, sealing ring; 3, shell; 4, valve shaft; 5, disc plate 6, filter mechanism; 601, positioning hole; 602, positioning rod; 603, spring; 604, installation shell; 605, filter screen; 606, limit hole.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described implementation regulations are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work, all belong to the protection scope of the present invention.

Please refer to Figures 1-5, the utility model provides a technical solution: including a valve body 1 and a fixing mechanism 2, wherein the fixing mechanism 2 includes a locking ring 201, a nut 202, a threaded hole 203, a bolt 204 and a sealing ring 205. It is characterized in that: one side surface of the valve body 1 is provided with a fixing mechanism 2, one side surface of the valve body 1 is welded with a casing 3, the inside of the casing 3 is movably connected with a valve shaft 4, and one end of the valve shaft 4 is fixedly connected with a disc plate 5 , The inside of the valve body 1 is provided with a filter mechanism 6 .

Further, the fixing mechanism 2 includes a locking ring 201, a nut 202, a threaded hole 203, a bolt 204 and a sealing ring 205, and one side surface of the valve body 1 is movably connected with a locking ring 201, and one side surface of the locking ring 201 is welded There is a nut 202, one side surface of the nut 202 is provided with a threaded hole 203, the side wall of the threaded hole 203 is threadedly connected with a bolt 204, the inside of the valve body 1 is tightly fitted with a sealing ring 205, through the locking ring 201, the nut 202 , threaded hole 203, bolt 204 and sealing ring 205 are set. When in use, when the water pipe needs to be connected to the valve body 1, there is a certain gap between the water pipe and the valve body 1. At this time, the inside of the valve body 1 is tight. Fitted with a sealing ring 205, this can effectively prevent the liquid from flowing out at the interface, and then by turning the bolt 204, because the nut 202 is fixed on the locking ring 201, turning the bolt 204 drives the nut 202 to move, so that the lock The tight ring 201 is slowly locked, thus completing the fixing and sealing of the water pipe.

Further, the bolt 204 is threadedly connected with the nut 202 through the threaded hole 203, and the outer dimension of the sealing ring 205 matches the inner dimension of the valve body 1. Through the setting of the sealing ring 205 and the valve body 1, during use, due to the sealing ring 205 The external dimensions of the valve body match the internal dimensions 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 filter 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 inside of the valve body 1 is provided with a positioning hole 601, and one end of the positioning hole 601 is flexibly connected to a Positioning rod 602, the other end of positioning rod 602 is fixedly connected with spring 603, and one end of spring 603 is fixedly connected with mounting shell 604, and one side surface of mounting shell 604 is fixedly connected with filter screen 605, and the side surface of mounting shell 604 is opened limited Position hole 606, through the setting of positioning hole 601, positioning rod 602, spring 603, installation shell 604, filter screen 605 and limit hole 606, when in use, first filter screen 605 is installed in the valve body 1 inside, filter When the net 605 is put into the valve body 1, the positioning rod 602 squeezes the inner wall of the valve body 1, so that the 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 , at this time the spring 603 resets, thus completing the installation of the filter screen 605, and then turning the valve shaft 4 so that when there is a certain distance between the disc plate 5 and the inside of the valve body 1, the liquid flows in, at this time, the filter screen 605 It acts as a filter for the incoming liquid.

Further, the external dimensions of the filter screen 605 coincide with the internal dimensions of the installation shell 604, and the external dimensions of the positioning rod 602 coincide with the internal dimensions of the positioning hole 601. Through the setting of the positioning rod 602 and the positioning hole 601, when using At this time, since the external dimension of the positioning rod 602 matches the internal dimension of the positioning hole 601, the installation of the filter screen 605 is more stable.

Working principle: First, the filter 605 needs to be installed inside the valve body 1. When the filter 605 is put into the valve body 1, the positioning rod 602 squeezes the inner wall of the valve body 1 to retract the spring 603. When the positioning rod When 602 moves to the same position as the positioning hole 601, the positioning rod 602 enters the positioning hole 601, and the spring 603 resets at this time. Since the external size of the positioning rod 602 matches the internal size of the positioning hole 601, the installation of the filter screen 605 It is more stable. At this time, the installation of the filter screen 605 is completed, and then when the water pipe is connected to the valve body 1, because there is a certain gap between the water pipe and the valve body 1, at this time, the inside of the valve body 1 is tightly fitted with a seal ring 205, since the external dimensions of the sealing ring 205 coincide with the internal dimensions of the valve body 1, this can effectively avoid the outflow of liquid at the interface, and then, by turning the bolt 204, because the nut 202 is fixed on the locking ring 201 , turn the bolt 204 to drive the nut 202 to move, so that the locking ring 201 is slowly locked, thus completing the fixing and sealing of the water pipe. After the filter screen 605 and the water pipe are installed, turn the valve shaft 4 to make the disc When there is a certain distance between the plate 5 and the inside of the valve body 1, the liquid flows in through the water pipe. At this time, the filter screen 605 plays a role in filtering the inflowing liquid, thus completing the use process of a sanitary butterfly valve.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A sanitary butterfly valve, including a valve body (1) and a fixing mechanism (2), wherein the fixing mechanism (2) includes a locking ring (201), a nut (202), a threaded hole (203), and a bolt (204) and sealing ring (205), characterized in that: one side surface of the valve body (1) is provided with a fixing mechanism (2), and one side surface of the valve body (1) is welded with a housing (3), the A valve shaft (4) is movably connected inside the casing (3), and a disc plate (5) is fixedly connected to one end of the valve shaft (4), and a filter mechanism (6) is arranged inside the valve body (1). 2. A sanitary butterfly valve according to claim 1, characterized in that: the fixing mechanism (2) includes a locking ring (201), a nut (202), a threaded hole (203), a bolt (204) and a sealing ring (205), one side surface of the valve body (1) is movably connected with a locking ring (201), and one side surface of the locking ring (201) is welded with a nut (202), and the nut (202) A threaded hole (203) is opened on one side surface of the threaded hole (203), and a bolt (204) is threadedly connected to the side wall of the threaded hole (203), and a sealing ring (205) is closely attached to the inside of the valve body (1). 3. A sanitary butterfly valve according to claim 2, characterized in that: the bolt (204) is threaded to the nut (202) through a threaded hole (203), and the outer dimension of the sealing ring (205) is the same as The internal dimensions of the valve body (1) match. 4. A sanitary butterfly valve according to claim 1, characterized in that the filter mechanism (6) includes a positioning hole (601), a positioning rod (602), a spring (603), an installation shell (604), a filter net (605) and a limiting hole (606), the valve body (1) is provided with a positioning hole (601), and one end of the positioning hole (601) is movably connected with a positioning rod (602), and the positioning rod The other end of (602) is fixedly connected with a spring (603), one end of the spring (603) is fixedly connected with an installation shell (604), and one side surface of the installation shell (604) is fixedly connected with a filter screen (605) , a limited hole (606) is opened on one side surface of the installation shell (604). 5. A sanitary butterfly valve according to claim 4, characterized in that: the external dimensions of the filter screen (605) coincide with the internal dimensions of the installation shell (604), and the external dimensions of the positioning rod (602) Dimensions match internal dimensions of pilot hole (601).

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