Search

CN-224214709-U - Direct-current rotary plate valve for chemical production

CN224214709UCN 224214709 UCN224214709 UCN 224214709UCN-224214709-U

Abstract

The utility model relates to a direct current rotary plate valve for chemical production, which comprises a valve body, wherein a direct current channel is axially arranged on the valve body, a valve seat is fixedly arranged in the direct current channel, and a valve plate in sealing fit with the valve seat is arranged in the valve body. According to the utility model, the valve rod is pulled to slide linearly, so that the valve plate can be driven to rotate, the opening and closing of the direct current channel of the valve body are sealed, the valve plate can be opened and closed more quickly and directly, the lifting mode is more labor-saving, the use is convenient, and the sealing performance is improved through the sealing cooperation of the valve plate and the valve seat.

Inventors

  • PAN JIAN
  • PAN YUE
  • ZHANG MENG
  • Ning Zizhong

Assignees

  • 山东若水工贸有限责任公司

Dates

Publication Date
20260508
Application Date
20250522

Claims (12)

  1. 1. The direct current rotary plate valve for chemical production comprises a valve body (1), wherein a direct current channel (2) is axially arranged in the valve body (1), a valve seat (3) is fixedly arranged in the direct current channel, a valve plate (5) which is in sealing fit with the valve seat (3) is arranged in the valve body (1), and the direct current rotary plate valve is characterized in that the valve plate (5) is rotationally connected with the valve body (1) through a first shaft body (8), one side, far away from the valve seat, of the valve plate (5) is provided with a valve rod (9), one side, far away from the valve seat, of the valve plate (5) is provided with a guide chute (18), one end of the valve rod (9) is rotationally and slidingly connected with the guide chute (18) through a second shaft body (7), the second shaft body (7) is parallel to the first shaft body (8), and the other end of the valve rod (9) obliquely extends to the outside of the valve body (1).
  2. 2. The direct-current rotary plate valve for chemical production according to claim 1, wherein the valve body (1) is provided with a hinge hole (19) matched with the first shaft body (8), and the aperture of the hinge hole is larger than the outer diameter of the first shaft body (8).
  3. 3. The direct-current rotary plate valve for chemical production according to claim 1 or 2, wherein the outer wall of the valve body (1) is fixedly connected with a guide sleeve (11), the valve rod (9) penetrates through the guide sleeve (11) to extend to the outside of the valve body (1), and a sealing ring (13) in sealing fit with the valve rod (9) is fixedly arranged on the inner wall of the guide sleeve (11).
  4. 4. The direct current rotary plate valve for chemical production according to claim 1, wherein the outer wall of the valve body (1) is fixedly connected with a vertical first communicating pipe (20), the first communicating pipe is communicated with a cavity at one side of the valve seat (3), the first communicating pipe (20) is fixedly connected with a horizontal second communicating pipe (21), the second communicating pipe is communicated with a cavity at the other side of the valve seat (3), a gate ring (22) is fixedly connected in the first communicating pipe (20), the height of the gate ring is lower than the height of an inner cavity of the second communicating pipe (21), a sliding rod (24) sliding up and down is arranged in the first communicating pipe (20), and a sealing cap (23) in sealing fit with the gate ring (22) is fixedly connected at the lower end of the sliding rod.
  5. 5. The direct-current rotary plate valve for chemical production according to claim 1, wherein two valve seats (3) are axially distributed in the direct-current channel (2), and the valve plates (5) are correspondingly arranged on the sides, away from each other, of the two valve seats.
  6. 6. The direct-current rotary plate valve for chemical production according to claim 5, wherein the valve body (1) is provided with a vent pipe (25) and an exhaust pipe (26), the vent pipe and the exhaust pipe are communicated with a cavity between the two valve seats (3), and the vent pipe and the exhaust pipe are provided with a switch valve (27).
  7. 7. The direct-current rotary plate valve for chemical production according to claim 1, wherein a partition plate (14) is fixedly connected in the direct-current channel (2), the partition plate (14) divides the direct-current channel (2) into a plurality of sub-channels (15), a valve seat (3) is fixedly arranged in each sub-channel, and a valve plate (5) is correspondingly arranged on each valve seat.
  8. 8. The direct-current rotary plate valve for chemical production according to claim 7, wherein the partition plate (14) is of a straight-line structure, and the direct-current channels are separated by the partition plate to form two sub-channels which are distributed up and down.
  9. 9. The direct-current rotary plate valve for chemical production according to claim 8, wherein hollow guide posts (16) are arranged on the outer walls of two opposite sides of the valve body (1) and two opposite ends of the second shaft body (7), the inner cavity of the guide posts (16) is communicated with the direct-current channel (2) through guide through holes (17), the extending direction of the guide through holes (17) is the same as that of the guide posts (16), the lower valve plate (5) is rotationally connected with the partition plate (14), two ends of the second shaft body (7) connected with the valve plate (5) respectively penetrate through the guide through holes (17) to extend into the inner cavities of the guide posts (16), valve rods (9) are fixedly connected to two ends of the second shaft body (7), and the two valve rods (9) are respectively connected with the two guide posts (16) in a sealing sliding mode.
  10. 10. The direct-current rotary plate valve for chemical production according to claim 7, wherein the partition plate (14) is of a cross-shaped structure, and the direct-current channels are separated by the partition plate to form four sub-channels.
  11. 11. The direct current rotary plate valve for chemical production according to any one of claims 7-10, wherein the valve seat (3) is hollow, one side of the valve seat (3) facing the valve plate (5) is fixedly connected with a hollow double-layer sealing ring (28), the inner cavity of the valve seat (3) is communicated with the cavity of the double-layer sealing ring (28) through a vent hole (29), an air inlet pipe (30) communicated with the inner cavity of the valve seat (3) is fixedly connected to the outer wall of the valve body (1), and a switch valve (27) is arranged on the air inlet pipe (30).
  12. 12. The direct-current rotary plate valve for chemical production according to any one of claims 7-10, wherein two rollers (31) are rotatably arranged on the side wall of one side of the valve plate (5) far away from the valve seat (3), and the two rollers (31) are respectively contacted with the inner walls of the two sides of the valve body (1).

Description

Direct-current rotary plate valve for chemical production Technical Field The utility model relates to the technical field of valves, in particular to a direct-current rotary plate valve for chemical production. Background In chemical production, the valve plate of the existing gate valve is usually of an up-down lifting structure, the medium flow channel of the valve body is opened or closed through lifting of the valve plate, the valve with the structure needs to be tightly expanded and sealed when being closed, friction force is increased when the valve is opened, the valve is difficult to open, a sealing surface is easy to damage, and the tightness between the valve plate and the medium flow channel is not high, so that the valve is still required to be improved. Disclosure of utility model The utility model provides a direct current rotary plate valve for chemical production, aiming at the defects of the prior art, wherein a valve plate is tightly pressed and sealed, and a sealing surface is not easy to damage. Through balanced structure, balanced valve plate front and back pressure makes the valve plate easily open, and the valve operation is safe and reliable more, and is better to the sealed effect of poisonous harmful, inflammable and explosive fluid that chemical production produced. The utility model is realized through the following technical scheme that the direct current rotary plate valve for chemical production comprises a valve body, wherein a direct current channel is axially arranged on the valve body, a valve seat is fixedly arranged in the direct current channel, a valve plate in sealing fit with the valve seat is arranged in the valve body, the valve plate is rotationally connected with the valve body through a first shaft body, a valve rod is arranged on one surface of the valve plate, which is far away from the valve seat, a guide chute is arranged on the side wall of the valve plate, one end of the valve rod is rotationally and slidingly connected with the guide chute through a second shaft body, the second shaft body is parallel to the first shaft body, and the other end of the valve rod obliquely extends to the outside of the valve body. When the valve rod is used, the valve rod is pulled to enable the valve rod to obliquely slide along the valve body, the valve plate can be driven to rotate around the first shaft body, the opening or sealing of the direct-current channel is achieved, the opening and closing of the direct-current channel by the valve plate are quicker and more direct, and the lifting mode is more labor-saving, and the valve rod is convenient to use. As optimization, the valve body is provided with a hinge hole matched with the first shaft body, and the aperture of the hinge hole is larger than the outer diameter of the first shaft body. According to the optimized scheme, the first shaft body can axially move in the hinge hole, so that the valve plate can axially displace, and when the valve plate is rotationally closed, the valve plate can move towards the direction close to the valve seat, so that the sealing ring on the valve seat is compressed, and the tightness is further improved. As optimization, the guide sleeve is fixedly connected to the outer wall of the valve body, the valve rod penetrates through the guide sleeve to extend to the outside of the valve body, and the sealing ring in sealing fit with the valve rod is fixedly arranged on the inner wall of the guide sleeve. The valve rod slides along the guide sleeve in the optimized scheme, is more stable, and ensures the tightness between the valve rod and the guide sleeve through the sealing ring. As optimization, the vertical first communicating pipe is fixedly connected to the outer wall of the valve body, the first communicating pipe is communicated with the cavity of the valve seat far away from one side of the valve plate, the first communicating pipe is fixedly connected with the horizontal second communicating pipe, the second communicating pipe is communicated with the cavity of the valve seat near one side of the valve plate, the gate ring is fixedly connected in the first communicating pipe, the gate ring is lower than the inner cavity of the second communicating pipe in height, the sliding rod sliding up and down is arranged in the first communicating pipe, and the sealing cap matched with the gate ring in a sealing mode is fixedly connected to the lower end of the sliding rod. When the direct current channel is filled with fluid, the fluid pressure is high, and the valve plate is inconvenient to open. At this time, the sealing cap is pulled upwards to enable the inner cavities of the first communicating pipe and the second communicating pipe to be communicated, so that cavities at two sides of the valve seat are communicated, fluid is enabled to be communicated through the first communicating pipe and the second communicating pipe, pressure at two sides is enabled to be balanced, and the valve