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CN-224215602-U - Pressure stabilizing throttling device for centrifugal water chilling unit

CN224215602UCN 224215602 UCN224215602 UCN 224215602UCN-224215602-U

Abstract

The utility model discloses a pressure-stabilizing throttling device for a centrifugal water chilling unit, which relates to the technical field of throttling devices and comprises a connecting pipeline, wherein the top end of the connecting pipeline is clamped with a mounting seat, the top end of the mounting seat is fixedly connected with a limiting block, and the top end of the limiting block is in threaded connection with a screw rod. By adopting the structure, the screw rod is screwed, the rotating shaft can enable the bottom end of the rotating column to rotate in situ, the connecting block inserted into the inner side of the strip-shaped opening can also avoid the condition of angular deviation of the throttle plate, and the rotating column can be pushed or pulled by the screw rod to move so as to adjust the height of the throttle plate, a good pressure-stabilizing throttling effect can be achieved through blocking of the throttle plate, and the sealing block can be always positioned at the inner side of the strip-shaped opening during the adjustment of the height of the throttle plate, so that the point position of the strip-shaped opening can be effectively sealed, the use tightness of the throttle plate is improved, and the normal use of the throttle plate is not hindered.

Inventors

  • LIANG JIAN
  • FAN XIAOWEN
  • LV JIANHUI
  • JI PENG
  • WANG MENGQI
  • ZHAO XIAOLIN
  • LI YANG

Assignees

  • 青岛国际机场新能源发展有限公司

Dates

Publication Date
20260508
Application Date
20250610

Claims (7)

  1. 1. A pressure stabilizing throttling device for a centrifugal water chilling unit comprises a connecting pipeline (1) and is characterized in that the top end of the connecting pipeline (1) is clamped with a mounting seat (2), the top end of the mounting seat (2) is fixedly connected with a limiting block (18), the top end of the limiting block (18) is connected with a screw rod (19) in a threaded mode, the screw rod (19) is extended to the inside of the mounting seat (2), the bottom end of the screw rod (19) is fixedly connected with a rotating column (21), the bottom end of the rotating column (21) is rotationally connected with a rotating shaft (23), the bottom end of the rotating shaft (23) is fixedly connected with a connecting block (24), the bottom end of the connecting block (24) is fixedly connected with a throttling plate (25), a strip-shaped opening (20) matched with the throttling plate (25) is formed in the bottom end of the mounting seat (2), the throttling plate (25) is extended to the inside of the connecting pipeline (1), the throttling plate (25) is located on the inner side of the strip-shaped opening (20), the throttling plate (25) covers the inner side of the connecting pipeline (1), the rotating block (21) is rotationally connected with a connecting block (24), and the sealing block (22) is fixedly connected with the sealing block (22).
  2. 2. The pressure stabilizing and throttling device for the centrifugal water chilling unit according to claim 1, wherein a rectangular opening (3) is formed in the top end of the mounting seat (2), the rectangular opening (3) is communicated with the inside of the mounting seat (2), transparent glass (4) is fixedly connected to the inner side of the rectangular opening (3), and the transparent glass (4) covers the inner side of the rectangular opening (3).
  3. 3. The pressure stabilizing and throttling device for the centrifugal water chilling unit according to claim 1, wherein a fixing block (5) is fixedly connected to the outer wall of the mounting seat (2), the bottom end of the fixing block (5) is attached to the top end of the connecting pipeline (1), a first clamping groove (6) is formed in the top end of the fixing block (5), the first clamping groove (6) extends to the inside of the connecting pipeline (1), a second clamping groove (7) is formed in the inner wall of the first clamping groove (6), a circular groove (8) is formed in the inner side bottom end of the first clamping groove (6), a first clamping block (11) is clamped to the inner side of the first clamping groove (6), a second clamping block (12) matched with the second clamping groove (7) is fixedly connected to the outer side of the first clamping block (11), and the second clamping block (12) is clamped to the inner side of the circular groove (8).
  4. 4. The pressure stabilizing and throttling device for the centrifugal water chilling unit according to claim 3, wherein a clamp spring (9) matched with a second clamp block (12) is arranged at the bottom end of the inner side of the circular groove (8), the bottom end of the second clamp block (12) is clamped at the top end of the clamp spring (9), the second clamp block (12) is clamped at the inner side of the circular groove (8) through the clamp spring (9), a sealing plate (13) is fixedly connected to the top end of the first clamp block (11), the sealing plate (13) covers the top end of the first clamp groove (6), a lug (14) is fixedly connected to the top end of the sealing plate (13), and the shape of a corner of the lug (14) is arc-shaped.
  5. 5. The pressure stabilizing and throttling device for the centrifugal water chilling unit according to claim 4, wherein a rubber pad (10) is fixedly connected to the top end of the fixed block (5), the first clamping groove (6) is located on the inner side of the adjacent rubber pad (10), and the top end of the rubber pad (10) is attached to the bottom end of the sealing plate (13).
  6. 6. The pressure stabilizing and throttling device for the centrifugal water chilling unit according to claim 1, wherein a positioning groove (15) is formed in the top end of the connecting pipeline (1), a positioning block (17) matched with the positioning groove (15) is fixedly connected to the bottom end of the mounting seat (2), the positioning block (17) is fixedly connected to four sides, close to corners, of the bottom end of the mounting seat (2), and the positioning block (17) is clamped inside the positioning groove (15).
  7. 7. The pressure stabilizing and throttling device for the centrifugal water chilling unit according to claim 1, wherein a sealing ring (16) is fixedly connected to the top end of the connecting pipeline (1), the thickness of the sealing ring (16) is one centimeter, the sealing ring (16) is made of rubber materials, and the top end of the sealing ring (16) is attached to the bottom end of the mounting seat (2).

Description

Pressure stabilizing throttling device for centrifugal water chilling unit Technical Field The utility model belongs to the technical field of throttling devices, and particularly relates to a pressure-stabilizing throttling device for a centrifugal water chilling unit. Background The utility model provides a steady voltage throttling arrangement of centrifugal cooling water set, specially designed for airport high-efficient, steady operation, the device is through accurate control refrigerant flow and pressure, ensure that centrifugal cooling water set keeps best refrigeration effect in complicated changeable airport environment, its unique steady voltage throttling technique has effectively avoided pipeline differential pressure fluctuation, prolonged the life of unit, the device compact structure, the installation is maintained portably, can respond rapidly the refrigeration demand change in airport, provide stable, reliable refrigeration guarantee for the air conditioning system in airport, in the wide application in airport, demonstrate its outstanding performance and energy-conserving effect. The Chinese patent with the bulletin number of CN212362520U discloses a throttling device for a centrifugal water chilling unit, which comprises a connecting pipeline, wherein a fixing seat is fixedly connected to the top of the connecting pipeline, two mounting grooves are formed in the top of the connecting pipeline, two plate placing grooves corresponding to the mounting grooves are formed in the fixing seat, and a first throttling plate and a second throttling plate are respectively and slidably connected to the inner sides of the plate placing grooves. However, the above structure has a small disadvantage, because the adjusting of the height of the throttle plate is performed by operating the screw, the screw hole structure needs to be opened in the connection mode of the operating screw, and the connection point cannot obtain a good sealing effect, so that the normal use of the throttle plate is affected. Disclosure of utility model In view of the problems mentioned in the background art, the present utility model is directed to a pressure-stabilizing throttling device for a centrifugal chiller, so as to solve the problems mentioned in the background art. The technical aim of the utility model is realized by the following technical scheme: The utility model provides a steady voltage throttling arrangement for centrifugal cooling water set, includes connecting tube, connecting tube's top joint has the mount pad, the top fixedly connected with stopper of mount pad, the top threaded connection of stopper has the screw rod, the screw rod extends to inside the mount pad, the bottom fixedly connected with of screw rod rotates the post, the bottom rotation of rotating the post is connected with the pivot, the bottom fixedly connected with connecting block of pivot, the bottom fixedly connected with throttle plate of connecting block, the bar mouth with throttle plate assorted has been seted up to the bottom of mount pad, the bar mouth extends to inside the connecting tube, the throttle plate is located the inboard of bar mouth, the throttle plate covers connecting tube's inboard, fixedly connected with sealing block on the outer wall of rotating the post, the inboard of bar mouth is covered to the sealing block. As the preferable technical scheme, rectangular openings are formed in the top ends of the mounting seats, the rectangular openings are communicated with the inside of the mounting seats, transparent glass is fixedly connected to the inner sides of the rectangular openings, and the transparent glass covers the inner sides of the rectangular openings. As the preferred technical scheme, fixedly connected with fixed block on the outer wall of mount pad, the bottom and the connecting tube top of fixed block paste mutually, first draw-in groove has been seted up on the top of fixed block, first draw-in groove extends to inside the connecting tube, the second draw-in groove has been seted up on the inner wall of first draw-in groove, the circular slot has been seted up to the inboard bottom of first draw-in groove, the inboard joint of first draw-in groove has first fixture block, the outside fixedly connected with and the second fixture block of second draw-in groove assorted of first fixture block, second fixture block joint is inboard in the circular slot. As the preferred technical scheme, the jump ring with second fixture block assorted is installed to the inboard bottom in circular slot, second fixture block bottom joint is in jump ring top, the second fixture block passes through jump ring joint in the circular slot is inboard, the top fixedly connected with closing plate of first fixture block, the closing plate covers first draw-in groove top, the top fixedly connected with lug of closing plate, the shape of lug corner is the arc. As the preferable technical scheme, the top fixedly connected with rubber