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CN-224214710-U - Multiple leak protection structure integral type butterfly valve

CN224214710UCN 224214710 UCN224214710 UCN 224214710UCN-224214710-U

Abstract

The utility model belongs to the field of integrated butterfly valves with multiple leakage-proof structures, in particular to an integrated butterfly valve with the multiple leakage-proof structures, which comprises a first valve body, wherein a second rubber ring is arranged in the first valve body, a butterfly valve piece is arranged on the second rubber ring, the outer wall of the butterfly valve piece is tightly attached to the inner wall of the second rubber ring, the bottom of the butterfly valve piece is transversely connected with a second rotating shaft, the second rotating shaft penetrates through the second rubber ring, the second rotating shaft penetrates through an opening on the side wall of the first valve body, the second rotating shaft is connected with an output end of a motor, fixing blocks arranged on the outer walls of the first valve body and the second valve body correspond to each other, round holes are formed in the fixing blocks, first bolts are arranged in the round holes, hexagonal nuts are rotatably arranged at the bottoms of the first bolts, through the structure, the opening and closing of the valve are driven by electric power, the leakage-proof performance of a matched rubber increasing device is improved, and the practicability of the device is improved.

Inventors

  • XIANG ZHONGWEI
  • XIANG YOUMIAO
  • WU LIMIN

Assignees

  • 浙江正鹏阀门有限公司

Dates

Publication Date
20260508
Application Date
20250212

Claims (6)

  1. 1. The integrated butterfly valve with the multiple leakage-proof structure is characterized by comprising a first valve body (1), a second rubber ring (9) is arranged in the first valve body (1), a butterfly valve piece (8) is arranged on the second rubber ring (9), the outer wall of the butterfly valve piece (8) is tightly attached to the inner wall of the second rubber ring (9), the bottom of the butterfly valve piece (8) is transversely connected with a second rotating shaft (16), the second rotating shaft (16) penetrates through the second rubber ring (9), the second rotating shaft (16) penetrates through the side wall opening of the first valve body (1), the second rotating shaft (16) is connected with the output end of a motor (5), the output end of the motor (5) is connected with the side wall opening of the first valve body (1), the first valve body (1) and the motor (5) are fixed through a first bolt (7), the top of the first valve body (1) is connected with the second valve body (2), the top outer wall of the first valve body (1) is fixedly connected with a fixed block (17), the fixed block (17) is arranged on the bottom of the butterfly valve piece (17), six fixed blocks (17) are arranged on the periphery of the fixed block (17), the fixed block array (17) is uniformly distributed on the periphery of the fixed block (17), and the six fixed blocks are arranged on the periphery of the fixed array (17) and are uniformly distributed on the periphery of the fixed array The fixed blocks (17) arranged on the outer wall of the second valve body (2) correspond to each other, round holes are formed in the fixed blocks (17), first bolts (7) are arranged in the round holes, and hexagonal nuts (6) are rotatably arranged at the bottoms of the first bolts (7).
  2. 2. The integrated butterfly valve with the multiple leakage-proof structures is characterized in that the bottom of a first valve body (1) is connected with the bottom of a third valve body (3), a fixed block (17) is fixedly connected to the outer wall of the bottom of the first valve body (1), the fixed block (17) is fixedly connected to the outer wall of the bottom of the third valve body (3), the fixed blocks (17) arranged on the outer walls of the first valve body (1) and the third valve body (3) correspond to each other, the top of the second valve body (2) is connected with the bottom of the third valve body (3), the fixed blocks (17) arranged on the outer walls of the second valve body (2) and the third valve body (3) correspond to each other, a second bolt (11) is arranged on the top of the third valve body (3), the second bolt (11) penetrates through the top of the third valve body (3), and the second bolts (11) are arranged in six and are uniformly distributed in a circumferential array.
  3. 3. The integrated butterfly valve with the multiple leakage-proof structures, which is disclosed by claim 2, is characterized in that a clamping groove is formed in the outer portion of the top of the third valve body (3), a metal binding belt (10) is arranged on the outer wall of the clamping groove, two groups of circular rings are arranged on the metal binding belt (10), circular holes are formed in two sides of the metal binding belt (10), a first bolt (7) is installed in each circular hole, and a hexagonal nut (6) is rotatably installed at the other end of each first bolt (7).
  4. 4. The integrated butterfly valve with the multiple leakage-proof structures, which is disclosed in claim 2, is characterized in that a circular groove is formed in the bottom of the first valve body (1), a circular groove is formed in the top of the second valve body (2), a circular groove is formed in the bottom of the third valve body (3), a first rubber ring (4) is arranged between grooves formed between the first valve body (1) and the third valve body (3), and a first rubber ring (4) is arranged between grooves formed between the second valve body (2) and the third valve body (3).
  5. 5. The integrated butterfly valve with the multiple leakage-proof structures, which is disclosed by claim 2, is characterized in that a telescopic rod (14) is arranged on the side wall of the third valve body (3), the telescopic rod (14) is horizontally arranged, the other end of the telescopic rod (14) is fixedly connected with a fixing plate (15), and openings are formed in two ends of the fixing plate (15).
  6. 6. The integrated butterfly valve with the multiple leakage-proof structures, which is disclosed in claim 1, is characterized in that a first rotating shaft (13) is arranged at the other end of the motor (5), and the other end of the first rotating shaft (13) is fixedly connected with a disc frame (12).

Description

Multiple leak protection structure integral type butterfly valve Technical Field The utility model belongs to the field of integrated butterfly valves with multiple leakage-proof structures, and particularly relates to an integrated butterfly valve with multiple leakage-proof structures. Background The butterfly valve is used as an important industrial valve, and is widely applied to the fields of petroleum, chemical industry, natural gas, water treatment and the like, and is used for controlling the opening and closing and the adjustment of fluid. Along with the continuous progress of industrial technology, higher requirements are put forward on the sealing performance, reliability and service life of the butterfly valve, and particularly under severe working conditions such as high pressure, high temperature and corrosive media, the traditional butterfly valve structure is difficult to meet the leakage prevention requirement. Conventional butterfly valves typically employ a single seal structure, such as a rubber seal or a metal-to-metal seal. Under high pressure or high temperature operating mode, sealing material is ageing, warp easily, leads to sealed inefficacy, produces to leak, and seal structure is comparatively complicated, and the cooperation requirement between each part is high, once leak appears, and maintenance and change sealing member are comparatively difficult, have increased maintenance cost and time, and adaptability to different media and operating mode is relatively poor, is difficult to satisfy diversified industry demand. Therefore, the utility model provides the integrated butterfly valve with the multiple leakage-proof structures. Disclosure of utility model In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The technical scheme includes that the integrated butterfly valve with the multiple leakage-proof structure comprises a first valve body, a second rubber ring is arranged in the first valve body, butterfly valve pieces are mounted on the second rubber ring, the outer wall of each butterfly valve piece is tightly attached to the inner wall of the corresponding second rubber ring, the bottom of each butterfly valve piece is transversely connected with a second rotating shaft, the second rotating shafts penetrate through the second rubber ring, the second rotating shafts penetrate through openings in the side walls of the first valve body, the second rotating shafts are connected with the output end of a motor, the output end of the motor is connected with the openings in the side walls of the first valve body, the first valve body and the motor are fixed through a first bolt, the top of the first valve body is connected with the second valve body, the outer wall of the top of the first valve body is fixedly connected with fixing blocks, the fixing blocks are uniformly distributed in a circumferential array, the outer wall of the second valve body is fixedly connected with the fixing blocks, the fixing blocks are six and uniformly distributed in a circumferential array, the fixing blocks arranged on the outer wall of the second valve body are mutually corresponding, the fixing blocks are arranged on the outer wall of the second valve body, the second valve body is connected with the fixing blocks, the first valve body and the first valve body is internally provided with a hexagon-shaped bolt, the first valve body is provided with a driving bolt, and the sealing device is matched with the sealing nut, and the sealing device is arranged at the bottom of the valve body. Preferably, the third valve body bottom is connected to first valve body bottom outer wall rigid coupling has the fixed block, the fixed block is equipped with six and is circumference array evenly distributed, third valve body bottom outer wall rigid coupling has the fixed block, the fixed block is equipped with six and is circumference array evenly distributed, the fixed block that first valve body, third valve body outer wall established corresponds each other, third valve body bottom is connected at second valve body top, second valve body outer wall rigid coupling has the fixed block, the fixed block is equipped with six and is circumference array evenly distributed, the round hole has been seted up to the fixed block inside, install first bolt in the round hole, first bolt bottom rotation installation hexagon nut, third valve body bottom outer wall rigid coupling has the fixed block, the fixed block is equipped with six and is circumference array evenly distributed, second valve body, third valve body outer wall established the fixed block corresponds each other, the round hole has been seted up to the fixed block inside, install first bolt in the round hole, first bolt bottom rotation installation, third valve body is equipped with the third bolt, second bolt top is equipped with the hexagon nut, the second pipeline is equipped with