CN220248956U - A butterfly valve with good sealing effect - Google Patents

Abstract

The utility model relates to the technical field related to sealing effect, and in particular to a butterfly valve with good sealing effect, which includes a butterfly valve and a sealing structure. The sealing structure includes a valve, a sealing hole, a connecting column, a preset ring, a limit groove, a sealing ring, and a connection. holes, limit blocks, buckles, springs and rubber rings. Therefore, a limit groove is provided on the inner surface of the front ring, and a sealing ring is engaged and connected to the inner side of the valve. This butterfly valve with good sealing effect is equipped with valve, sealing hole, connecting column, pre-ring, limit groove, sealing ring, connecting hole, limit block, buckle, spring and rubber ring. When using, first open The butterfly valve is connected to the valve for braking. The sealing hole inside the valve can better relieve the pressure of the valve. Then it is connected to the connecting column above the valve for rotation braking. A limit groove is opened on one side of the front ring and the inside of the sealing ring is installed snugly. , and finally use a rubber ring for the final seal. The sealing is very good and will not cause leakage.

Description

A butterfly valve with good sealing effect

Technical field

The utility model relates to the technical field related to sealing effect, in particular to a butterfly valve with good sealing effect.

Background technique

Butterfly valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. They mainly play the role of cutting off and throttling on pipelines. The opening and closing parts of butterfly valves are A disc-shaped butterfly plate rotates around its own axis in the valve body to achieve the purpose of opening, closing or adjusting. It is needed in factories and underground pipelines in daily life. It is faced with the connection and transportation of many pipelines, transportation and Stopping is a good choice. Therefore, a butterfly valve with good sealing effect is particularly needed.

However, during the use of existing butterfly valves, most butterfly valve sealing devices do not have very good sealing and pressure resistance capabilities. During the process of opening the valve, excessive pressure may cause damage, causing losses to the factory and causing damage to the factory. It poses a threat to the safety of the operator and needs to be replaced regularly, causing certain losses. If it is not replaced in time, it is likely to cause harm to the operator.

Utility model content

The purpose of this utility model is to provide a butterfly valve with good sealing effect to solve the problem of existing butterfly valves proposed in the above background technology. During use, most butterfly valve sealing devices have poor sealing and pressure resistance capabilities. Well, during the process of opening the valve, it may be damaged due to excessive pressure, causing losses to the factory and threatening the safety of the operator. It also needs to be replaced regularly, causing a certain loss. If it is not replaced in time, it is likely to Problems causing harm to operators.

In order to achieve the above purpose, the utility model provides the following technical solution: a butterfly valve with good sealing effect, including a butterfly valve and a sealing structure, wherein the sealing structure includes a valve, a sealing hole, a connecting column, a front ring, a limit groove, a sealing ring, Connection holes, limit blocks, buckles, springs and rubber rings, a central control rod is installed on the upper surface of the butterfly valve, a sealing structure is provided on the inner surface of the butterfly valve, and a fixing mechanism is provided on the outer surface of the butterfly valve.

Preferably, the sealing structure includes a valve, a sealing hole, a connecting post, a front ring, a limiting groove, a sealing ring, a connecting hole, a limiting block, a buckle, a spring and a rubber ring. The inner surface of the butterfly valve is installed There is a valve, a sealing hole is provided on the inner surface of the valve, a connecting post is fixedly connected to the upper surface of the valve, a front ring is installed on one side surface of the butterfly valve, and a limited position is provided on the inner surface of the front ring. groove, the inner side of the valve is snap-connected with a sealing ring, the outer surface of the sealing ring is provided with a connection hole, the outer surface of the sealing ring is fixedly connected with a limit block, and the inner surface of the front ring is threadedly connected with A spring is installed on the lower surface of the buckle, and a rubber ring is installed on one side of the sealing ring.

Preferably, the inner wall size of the sealing ring matches the outer wall size of the rubber ring, and the limiting groove and the limiting block form an engaging structure.

Preferably, the fixing mechanism includes a fixing ring, a fixing groove, a connecting groove, a snap ring, a fixing block, a connecting pipe and a bolt. A fixing ring is installed on one side of the butterfly valve, and a fixing ring is provided on one side of the butterfly valve. The fixed groove is provided with a connecting groove on the outer surface of the fixed ring, a snap ring is installed on the outer surface of the fixed ring, a fixing block is installed on the inner surface of the snap ring, and a connecting block is installed on the inner surface of the snap ring. tube, and bolts are installed on the outer surface of the snap ring.

Preferably, the size of the outer wall of the connecting groove matches the size of the inner wall of the fixing block, and the fixing ring and the snap ring form a threaded connection.

Compared with the existing technology, the beneficial effects of the present utility model are: the butterfly valve with good sealing effect adopts the valve, sealing hole, connecting column, front ring, limit groove, sealing ring, connecting hole, limit block, and clamp. When using the buckle, spring and rubber ring, first open the butterfly valve and connect the valve for braking. The sealing hole inside the valve can better relieve the pressure of the valve, then connect the connecting column above the valve for rotation braking, and then Place the front ring, open a limit groove on one side of the front ring and fit it inside the sealing ring, then create a connecting hole inside the sealing ring to connect the valve and the connecting column, and then install the limit block into the limit groove. It is fixed inside, and in order to prevent disconnection, buckles and springs are installed inside the front ring. Finally, a rubber ring is used as the final seal. The sealing is very good and will not cause leakage.

Description of drawings

Figure 1 is a schematic side view of the appearance structure of the utility model;

Figure 2 is a schematic structural diagram of the sealing mechanism of the present utility model;

Figure 3 is a schematic diagram of the internal structure of the valve of the present utility model;

Figure 4 is a schematic structural diagram of the fixing mechanism of the present utility model.

In the picture: 1. Butterfly valve; 2. Central control rod; 3. Sealing structure; 301. Valve; 302. Sealing hole; 303. Connecting column; 304. Front ring; 305. Limiting groove; 306. Sealing ring; 307 , connecting hole; 308, limit block; 309, buckle; 310, spring; 311, rubber ring; 4, fixing mechanism; 401, fixing ring; 402, fixing groove; 403, connecting groove; 404, snap ring; 405 , fixed block; 406, connecting pipe; 407, bolt.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1-4. The present utility model provides a technical solution: a butterfly valve with good sealing effect, including a butterfly valve 1 and a sealing structure 3. The sealing structure 3 includes a valve 301, a sealing hole 302, a connecting column 303, a front Ring 304, limit groove 305, sealing ring 306, connection hole 307, limit block 308, buckle 309, spring 310 and rubber ring 311. A central control rod 2 is installed on the upper surface of butterfly valve 1, and a central control rod 2 is installed on the inner surface of butterfly valve 1. There is a sealing structure 3, and a fixing mechanism 4 is provided on the outer surface of the butterfly valve 1.

Further, the sealing structure 3 includes a valve 301, a sealing hole 302, a connecting column 303, a front ring 304, a limiting groove 305, a sealing ring 306, a connecting hole 307, a limiting block 308, a buckle 309, a spring 310 and a rubber ring. 311. A valve 301 is installed on the inner surface of butterfly valve 1. A sealing hole 302 is provided on the inner surface of valve 301. A connecting post 303 is fixedly connected to the upper surface of valve 301. A front ring 304 is installed on one side surface of butterfly valve 1. The inner surface of the setting ring 304 is provided with a limiting groove 305. The inner surface of the valve 301 is snap-connected with a sealing ring 306. The outer surface of the sealing ring 306 is provided with a connection hole 307. The outer surface of the sealing ring 306 is fixedly connected with the limiting block 308. The front The inner surface of the setting ring 304 is threadedly connected with a buckle 309. A spring 310 is installed on the lower surface of the buckle 309. A rubber ring 311 is installed on one side of the sealing ring 306. Through the valve 301, the sealing hole 302, the connecting column 303, and the front The settings of the setting ring 304, the limit groove 305, the sealing ring 306, the connecting hole 307, the limit block 308, the buckle 309, the spring 310 and the rubber ring 311 make the sealing of butterfly valve 1 better. First open the connection of butterfly valve 1 The valve 301 is braked. The sealing hole 302 inside the valve 301 can better relieve the pressure of the valve 301. Then connect the connecting column 303 on the valve 301 for rotational braking, and then place the pre-position ring 304. The pre-position ring 304 A limit groove 305 is opened on one side and the sealing ring 306 is installed inside. Then a connecting hole 307 is provided inside the sealing ring 306 to connect the valve 301 and the connecting column 303. Next, the limit block 308 is installed inside the limit groove 305. For fixation, in order to prevent disengagement, a buckle 309 and a spring 310 are installed inside the front ring 304, and finally a rubber ring 311 is used for final sealing.

Furthermore, the inner wall size of the sealing ring 306 matches the outer wall size of the rubber ring 311, and the limiting groove 305 and the limiting block 308 form an engaging structure. Through the arrangement of the sealing ring 306, the sealing effect of the butterfly valve 1 is better and Will not deform.

Further, the fixing mechanism 4 includes a fixing ring 401, a fixing groove 402, a connecting groove 403, a snap ring 404, a fixing block 405, a connecting pipe 406 and a bolt 407. The fixing ring 401 is installed on one side of the butterfly valve 1. The fixing ring 401 is A fixing groove 402 is provided on one side surface, a connecting groove 403 is provided on the outer surface of the fixing ring 401, a snap ring 404 is installed on the outer surface of the fixing ring 401, and a fixing block 405 is installed on the inner surface of the snap ring 404. A connecting pipe 406 is installed on the inner surface, and a bolt 407 is installed on the outer surface of the snap ring 404. Through the arrangement of the fixing ring 401, the fixing groove 402, the connecting groove 403, the snap ring 404, the fixing block 405, the connecting pipe 406 and the bolt 407, Butterfly valve 1 can be installed more stably. First, install the fixing ring 401, and then install the snap ring 404. The butterfly valve 1 is fixed by the mutual engagement of the fixing groove 402 and the connecting groove 403, and is fixed inside the fixing ring 401. Block 405 is used to increase the sealing performance, then the connecting pipe 406 is installed, and finally the bolts 407 are tightened and fixed.

Furthermore, the size of the outer wall of the connecting groove 403 matches the size of the inner wall of the fixing block 405. The fixing ring 401 and the snap ring 404 form a threaded connection. Through the setting of the bolts 407, the butterfly valve 1 can be better installed and disassembled.

Working principle: First open butterfly valve 1 and connect to valve 301 for braking. The sealing hole 302 inside the valve 301 can better relieve the pressure of the valve 301. Then connect the connecting column 303 on the valve 301 for rotation braking, and then place the front Ring 304, a limit groove 305 is opened on one side of the front ring 304 and is installed inside the sealing ring 306, and then the connecting hole 307 inside the sealing ring 306 connects the valve 301 and the connecting column 303, and then the limiting block 308 Install it into the limit groove 305 for fixation. At the same time, in order to prevent disengagement, a buckle 309 and a spring 310 are installed inside the front ring 304. Finally, a rubber ring 311 is used for final sealing. First, install the fixing ring 401, and then Install the snap ring 404, fix the butterfly valve 1 through the mutual engagement of the fixing groove 402 and the connecting groove 403, install the fixing block 405 inside the fixing ring 401 to increase its sealing, and then install the connecting pipe 406. Finally, tighten the bolts 407 to complete a butterfly valve with good sealing effect.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a butterfly valve that sealed effectual, includes butterfly valve (1) and seal structure (3), and wherein seal structure (3) include valve (301), sealing hole (302), spliced pole (303), leading circle (304), spacing groove (305), sealing washer (306), connecting hole (307), stopper (308), buckle (309), spring (310) and rubber circle (311), its characterized in that: the butterfly valve is characterized in that a central control rod (2) is mounted on the upper surface of the butterfly valve (1), a sealing structure (3) is arranged on the inner side surface of the butterfly valve (1), and a fixing mechanism (4) is arranged on the outer side surface of the butterfly valve (1).

2. The butterfly valve with good sealing effect according to claim 1, wherein: seal structure (3) include valve (301), sealing hole (302), spliced pole (303), fore-set circle (304), spacing groove (305), sealing washer (306), connecting hole (307), stopper (308), buckle (309), spring (310) and rubber circle (311), interior survey surface mounting of butterfly valve (1) has valve (301), sealing hole (302) have been seted up to the medial surface of valve (301), the top fixed surface of valve (301) is connected with spliced pole (303), one side surface mounting of butterfly valve (1) has fore-set circle (304), spacing groove (305) have been seted up to the medial surface of fore-set circle (304), the inboard block of valve (301) is connected with sealing washer (306), connecting hole (307) have been seted up to the lateral surface of sealing washer (306), the lateral surface fixedly connected with stopper (308), the medial surface threaded connection of fore-set circle (304) has buckle (309), the below surface mounting of buckle (309) has spring (310), one side surface mounting of sealing washer (306) has rubber circle (311).

3. The butterfly valve with good sealing effect according to claim 2, wherein: the inner wall size of the sealing ring (306) is identical with the outer wall size of the rubber ring (311), and the limiting groove (305) and the limiting block (308) form a clamping structure.

4. The butterfly valve with good sealing effect according to claim 1, wherein: fixed establishment (4) are including solid fixed ring (401), fixed slot (402), spread groove (403), snap ring (404), fixed block (405), connecting pipe (406) and bolt (407), gu fixed ring (401) are installed to one side surface mounting of butterfly valve (1), gu fixed slot (402) have been seted up to one side surface of fixed ring (401), spread groove (403) have been seted up to the outside surface of fixed ring (401), the outside surface mounting of fixed ring (401) has snap ring (404), the inboard surface mounting of snap ring (404) has fixed block (405), the inboard surface mounting of snap ring (404) has connecting pipe (406), the outside surface mounting of snap ring (404) has bolt (407).

5. The butterfly valve with good sealing effect according to claim 4, wherein: the outer wall size of the connecting groove (403) is matched with the inner wall size of the fixed block (405), and the fixed ring (401) and the clamping ring (404) form threaded connection.