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CN-121993628-A - Ball valve of air cooler

CN121993628ACN 121993628 ACN121993628 ACN 121993628ACN-121993628-A

Abstract

The invention relates to the technical field of ball valves, in particular to an air cooler ball valve, which comprises a valve body, wherein a valve ball is arranged on the inner wall of the valve body in a rotating connection manner, a flexible sealing assembly is fixedly connected to the valve ball, a valve rod is fixedly connected to the valve ball, a handle is arranged at the top end of the valve rod, an inflation positioning assembly is fixedly connected to the lower part of the handle, an adjusting assembly is slidably matched with the outer wall of the inflation positioning assembly, two limiting sleeves are arranged on the valve body, the flexible sealing assembly is arranged on the valve ball, after the valve ball stops rotating, the adjusting assembly can drive the inflation positioning assembly to automatically inflate an annular air bag in the flexible sealing assembly, the annular air bag adopts a flexible material, and can be tightly attached to the gap between the valve ball and the valve body after inflation, so that self-adaptive sealing is realized, the sealing reliability is further improved, the problems of unstable system pressure and out of control of flow caused by medium leakage can be effectively avoided, and the operation efficiency of the air cooler is ensured.

Inventors

  • LI MICAI
  • WANG YI

Assignees

  • 福建西伯力环保科技有限公司

Dates

Publication Date
20260508
Application Date
20260410

Claims (7)

  1. 1. A ball valve of an air cooler comprises a valve body (1) and is characterized in that a valve ball (2) is arranged on the inner wall of the valve body (1) in a rotating connection mode, a flexible sealing assembly (3) is fixedly connected to the valve ball (2), a valve rod (4) is fixedly connected to the valve ball (2), a handle (5) is arranged at the top end of the valve rod (4), an inflatable positioning assembly (6) is fixedly connected to the lower portion of the handle (5), an adjusting assembly (7) is slidably matched with the outer wall of the inflatable positioning assembly (6), two limiting sleeves (8) are arranged on the valve body (1), two annular grooves (201) are formed in the outer wall of the valve ball (2) in a symmetrical structure, the flexible sealing assembly (3) comprises an air guide tube (301), one end of the air guide tube (301) is fixedly connected with the inner wall of the valve ball (2), two sides of the bottom end of the air guide tube (301) extend into the annular grooves (201), one end of the air guide tube (301) is fixedly connected with an annular air bag (302), the outer wall (302) is fixedly connected with one end of the annular air bag (201), the outer wall (302) and the other end of the air guide tube (301) sequentially extends to one side of the air guide tube (2) in a mode, and penetrates through the outer wall (2) of the outer wall of the air guide tube (1), the outer wall of the outer end part of the air duct (301) is in threaded connection with a connecting sleeve (303).
  2. 2. The air cooler ball valve of claim 1, wherein the two end parts of the valve body (1) are respectively provided with a sealing end (101) in a threaded connection manner, and one side of the upper end of the valve body (1) is fixedly connected with a stop lever (102).
  3. 3. The air cooler ball valve of claim 2, wherein a step threaded rod (401) is fixedly connected to the top end of the valve rod (4), and a compression nut (402) is arranged on the top end of the step threaded rod (401) in a threaded connection mode.
  4. 4. The air cooler ball valve of claim 3, wherein one end of the handle (5) is provided with a mounting hole (501), the mounting hole (501) is movably inserted into a step of the step threaded rod (401), the handle (5) is positioned on the upper side of the mounting hole (501) and is abutted to the compression nut (402), and one end of the handle (5) is movably contacted with the stop lever (102).
  5. 5. The air cooler ball valve of claim 1, wherein the air-filled positioning assembly (6) comprises a hollow seat (601), one end of the hollow seat (601) is fixedly connected with the bottom end of the handle (5), a piston (602) is arranged on the inner wall of the hollow seat (601) in a sliding fit mode, a piston rod (603) is fixedly connected with the bottom end of the piston (602), the bottom end of the piston rod (603) is arranged in a penetrating sliding fit mode with the inner wall of the hollow seat (601), a connecting frame (604) is fixedly connected with the bottom end of the piston rod (603), a positioning inserting rod (605) is fixedly connected with the lower portion of one end of the connecting frame (604) close to the limiting sleeve (8), a conical end (606) is fixedly connected with the bottom end of the positioning inserting rod (605), a pipe joint (607) is movably inserted with the inner wall of the limiting sleeve (8), and the bottom end of the hollow seat (601) is fixedly connected with the pipe joint (607) in a penetrating mode, and the outer wall of the pipe joint (607) is in threaded connection with the inner wall of the connecting sleeve (303).
  6. 6. The air cooler ball valve of claim 5, wherein the adjusting component (7) comprises a handle (701), one end of the handle (701) is fixedly connected with a guide ring (702), the inner wall of the guide ring (702) is arranged in sliding fit with the outer wall of the hollow seat (601), one side of the bottom end of the handle (701) is fixedly connected with the other end of the connecting frame (604), an adjusting plate (703) is arranged in sliding fit with the inner wall of the top end of the handle (701), a plurality of springs I (704) are fixedly connected with the top end of the adjusting plate (703), the top end of the springs I (704) is fixedly connected with the bottom end of the handle (5), a worm (705) is arranged in penetrating rotation connection with the middle of the adjusting plate (703), a knob (706) is arranged on the top end of the worm (705) in a meshed transmission mode, an adjusting rod group (708) is arranged on the worm wheel (707) in a fixedly connected mode, and the upper end and the lower end of the adjusting rod group (708) are rotatably connected with the bottom end of the handle (5) and the handle (705) through a hinged seat (709).
  7. 7. The air cooler ball valve of claim 5, wherein a dirt blocking block (801) is arranged on the inner wall of the limit sleeve (8) in a sliding fit mode, a second spring (802) is fixedly connected to the bottom end of the dirt blocking block (801), the bottom end of the second spring (802) is fixedly connected with the inner wall of the bottom end of the limit sleeve (8), the top end of the dirt blocking block (801) is movably contacted with the conical end (606), and the two limit sleeves (8) are arranged in a right-angle structure.

Description

Ball valve of air cooler Technical Field The invention relates to the technical field of ball valves, in particular to an air cooler ball valve. Background The ball valve of the air cooler is a core valve part for controlling on-off and flow of refrigerant, cooling water or water supply in a refrigeration/air conditioning/evaporation type air cooler system, belongs to a rotary cut-off valve, and is quickly opened and closed by rotating a ball body around a valve rod by 90 degrees. The prior art publication No. CN207093829U provides an air cooler ball valve, and this technical structure is simple, convenient to use, easy operation, sealing performance is good, but automatic locking after rotatory to the preset position can avoid appearing the rotatory condition of valve ball when using, and installation and dismantlement are convenient, and the later maintenance of being convenient for is with low costs, and application scope is wide, and long service life has safe and reliable's effect. In the prior art, the valve ball can convey particulate matters impurities in a medium in the rotating process, at the moment, the particulate matters impurities can cause scratches on the outer wall of the valve ball and the inner wall of the valve body when being extruded between the valve ball and the valve body, and the prior art only depends on the valve ball and the valve seat to form a single-layer main seal, lacks a standby seal or a secondary seal structure, and when the sealing surfaces of the valve ball and the valve body are scratched by the particulate matters, the leakage quantity is gradually increased along with the use time, so that the leakage of the medium is caused, and the refrigerating efficiency of the air cooler is influenced. In summary, in the prior art, a technology of adopting secondary sealing for the air cooler ball valve ball is lacking. Disclosure of Invention The invention aims to solve the defects in the background art and provides a ball valve of an air cooler. In order to achieve the purpose, the technical scheme includes that the air cooler ball valve comprises a valve body, a valve ball is rotatably connected to the inner wall of the valve body, a flexible sealing assembly is fixedly connected to the valve ball, a valve rod is fixedly connected to the valve ball, a handle is mounted at the top end of the valve rod, an inflation positioning assembly is fixedly connected to the lower portion of the handle, an adjusting assembly is slidably matched with the outer wall of the inflation positioning assembly, two limiting sleeves are arranged on the valve body, two annular grooves are formed in the outer wall of the valve ball in a symmetrical structure, the flexible sealing assembly comprises an air duct, one end of the air duct is fixedly connected with the inner wall of the valve ball, two sides of the bottom end of the air duct extend into the annular grooves, an annular air bag is fixedly connected to one end of the air duct, the outer wall of the annular air bag is matched with the inner wall of the annular groove, the outer wall of one side of the annular air duct is in butt against the inner wall of the valve body, the other end of the air duct sequentially penetrates through the valve ball and the inner wall of the valve rod to the outside, and a connecting sleeve is arranged on the outer wall of the outer end of the air duct in a threaded connection mode. Preferably, the ends of the two ends of the valve body are provided with sealing ends in threaded connection, and one side of the upper end of the valve body is fixedly connected with a stop lever. Preferably, the top end of the valve rod is fixedly connected with a step threaded rod, and the top end of the step threaded rod is in threaded connection with a compression nut. Preferably, the mounting hole has been seted up to handle one end, the installation hole is pegged graft with step threaded rod step department activity and is set up, the handle is located mounting hole upside and gland nut butt, handle one end and pin movable contact setting. Preferably, the inflatable positioning assembly comprises a hollow seat, hollow seat one end and handle bottom fixed connection set up, hollow seat inner wall sliding fit is provided with the piston, piston bottom fixed connection is provided with the piston rod, the piston rod bottom runs through sliding fit with hollow seat inner wall and sets up, piston rod bottom fixed connection is provided with the link, the link is close to the one end below fixed connection of stop collar and is provided with the location inserted bar, location inserted bar bottom fixed connection is provided with the toper end, location inserted bar outer wall and stop collar inner wall activity grafting setting, hollow seat bottom runs through fixed connection and is provided with the coupling, coupling outer wall and adapter sleeve inner wall threaded connection set up. Preferably, the adjusting component compri