CN-224229272-U - Low flow resistance stop valve inclined valve clack structure

CN224229272UCN 224229272 UCN224229272 UCN 224229272UCN-224229272-U

Abstract

The utility model provides an inclined valve clack structure of a low flow resistance stop valve, which comprises a stop valve shell and mounting bolts, wherein the mounting bolts are mounted at positions, at the tops, of the outer surfaces of the stop valve shell, the tops of the mounting bolts are rotatably connected with connecting rods through sealing structures, the bottom ends of the connecting rods are fixedly connected with rotating shafts, mounting rails are respectively arranged on the front surface and the back surface of each rotating shaft, a plurality of fixing holes are respectively arranged on two sides of each rotating shaft, which are close to the front surface and the back surface, of each rotating shaft, mounting buckles are respectively mounted in the two mounting rails through fixing bolts, and inclined valve clacks are respectively mounted on one surfaces, which are opposite to each other, of the two mounting buckles. According to the inclined valve clack structure of the low-flow-resistance stop valve, the fluid-shaped drag reduction strips are adopted to reduce liquid flow resistance, so that impact of liquid flow on the inclined valve clack is reduced, the service life of the inclined valve clack is prolonged, and meanwhile, the detachable inclined valve clack is adopted, so that the inclined valve clack is convenient to replace when damaged.

Inventors

TIAN HONGWEI
Ou dan

Assignees

苏州科迪流体控制设备有限公司

Dates

Publication Date: 20260512
Application Date: 20250421

Claims (6)

1. The low flow resistance stop valve inclined valve clack structure is characterized by comprising a stop valve shell (1); The mounting bolts (5), the mounting bolts (5) are mounted at the positions, located at the tops, of the outer surfaces of the stop valve housings (1), connecting rods (25) are rotatably connected to the tops of the mounting bolts (5) through sealing structures (11), rotating shafts (24) are fixedly connected to the bottom ends of the connecting rods (25), mounting rails (18) are respectively arranged on the front surface and the back surface of the rotating shafts (24), a plurality of fixing holes (23) are respectively arranged on the two sides, close to the front surface and the back surface, of the rotating shafts (24), of each mounting rail (18), mounting buckles (20) are respectively mounted in the two mounting buckles (20) through fixing bolts (22), inclined valve clacks (15) are respectively mounted on the opposite sides of the two mounting buckles (20), a plurality of anti-drag strips (21) are respectively mounted on the two sides of each inclined valve clacks (15), mounting ports (19) are respectively arranged on the outer surfaces of the inclined valve clacks (15), and sealing rings (14) are respectively mounted in the mounting ports (19); The filter assembly (9), the one end at stop valve casing (1) is installed to filter assembly (9), the other end fixedly connected with connecting pipe (6) of filter assembly (9), the other end of connecting pipe (6) and the other end of stop valve casing (1) are all fixedly connected with ring flange (8) that have mounting hole (7).
2. The low flow resistance stop valve inclined valve clack structure according to claim 1, wherein a driven part (16) is mounted at the top end of the connecting rod (25), an angle sensor (12) is mounted at the top of the driven part (16) through a fixed base (13), and a contact sensor (26) is mounted at the position of the top end of the driven part (16) on the outer surface.
3. The low flow resistance stop valve inclined valve clack structure according to claim 1, wherein the top of the mounting bolt (5) is provided with a mounting frame (2), the back surface of the inner wall of the mounting frame (2) is provided with a contact block (17), and the top of the mounting frame (2) is provided with a sealing plate (4).
4. A low flow resistance shut-off valve tilting valve flap arrangement according to claim 3, characterized in that the top of the sealing plate (4) is provided with a drive assembly (3), the output end of the drive assembly (3) is provided with a transmission part (10).
5. The low flow resistance shut-off valve tilting valve flap structure according to claim 4, characterized in that the drive assembly (3) comprises a protective housing (301) and a drive member (302), the protective housing (301) being for mounting the drive member (302) providing a rotational driving force.
6. The low flow resistance shut-off valve tilting valve flap structure according to claim 1, characterized in that the filter assembly (9) comprises a filter frame (901), a support ring (902) and an interception member (903), the support ring (902) being used for mounting the interception member (903) inside the filter frame (901).

Description

Low flow resistance stop valve inclined valve clack structure Technical Field The utility model relates to the technical field of stop valves, in particular to a low-flow-resistance stop valve inclined valve clack structure. Background The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so that when the valve is closed, pressure must be applied to the valve clack so as to force the sealing surface not to leak. When the medium enters the valve from the lower part of the valve clack, the resistance which is needed to be overcome by the operation force is the friction force of the valve rod and the filler and the thrust generated by the pressure of the medium, and the force for closing the valve is larger than the force for opening the valve. The inclined valve clack design makes the direction of the medium acting force on the valve clack in the valve cavity become 135 degrees, so that the flow resistance of the medium in the valve is reduced. The resistance of the inclined valve clack of the conventional stop valve is large, the inclined valve clack and the rotating shaft are integrally formed, the whole valve clack is required to be replaced after deformation in the use process, and the later maintenance cost is increased. Therefore, it is necessary to provide a low flow resistance stop valve inclined valve clack structure to solve the above technical problems. Disclosure of utility model The utility model provides a low-flow-resistance inclined valve clack structure of a stop valve, which solves the problems that the inclined valve clack of the stop valve has larger resistance and needs to be replaced entirely after deformation in use, thereby increasing the later maintenance cost. In order to solve the technical problems, the low-flow-resistance stop valve inclined valve clack structure provided by the utility model comprises a stop valve shell; The mounting bolts are arranged at the positions, located at the top, of the outer surfaces of the stop valve housings, the tops of the mounting bolts are rotationally connected with connecting rods through sealing structures, the bottom ends of the connecting rods are fixedly connected with rotating shafts, mounting rails are respectively arranged on the front surface and the back surface of each rotating shaft, a plurality of fixing holes are respectively arranged on the two sides, close to the front surface and the back surface, of each rotating shaft, mounting buckles are respectively arranged in the two mounting rails through fixing bolts, inclined valve clacks are respectively arranged on the opposite surfaces of the two mounting buckles, a plurality of drag reduction strips are respectively arranged on the two sides of each inclined valve clacks, mounting openings are respectively arranged on the outer surfaces of the two inclined valve clacks, and sealing rings are respectively arranged in the mounting openings; The filter assembly is arranged at one end of the stop valve shell, the other end of the filter assembly is fixedly connected with a connecting pipe, and the other end of the connecting pipe and the other end of the stop valve shell are fixedly connected with a flange plate with a mounting hole. Preferably, the top of the connecting rod is provided with a driven part, the top of the driven part is provided with an angle sensor through a fixed base, and the top of the driven part is provided with a contact sensor at the position of the outer surface. Preferably, the top of the mounting bolt is provided with a mounting frame, the back surface of the inner wall of the mounting frame is provided with a contact block, and the top of the mounting frame is provided with a sealing plate. Preferably, a driving component is installed at the top of the sealing plate, and a transmission component is installed at the output end of the driving component. Preferably, the driving assembly comprises a housing for mounting a driving member for providing a rotational driving force, and a driving member. Preferably, the filter assembly comprises a filter frame, a support ring for mounting the interception member inside the filter frame, and an interception member. Compared with the related art, the utility model has the following beneficial effects: The utility model provides a low flow resistance stop valve inclined valve clack structure, which aims to reduce the resistance of the stop valve inclined valve clacks and facilitate the replacement of the inclined valve clacks, T-shaped mounting rails are arranged on the front and back surfaces of a rotating shaft, then mounting buckles at adjacent ends of the two inclined valve clacks are clamped into the inside of the mounting rails, fixing bolts penetrate through fixing holes to fix the mounting buckles in the inside of the mounting rails, mounting openings are arranged on the outer surfaces of the two inclined valve clacks, a silica gel sealing ring is arranged in the mountin