Search

CN-224214766-U - Industrial drainage pipeline anti-reflux device

CN224214766UCN 224214766 UCN224214766 UCN 224214766UCN-224214766-U

Abstract

The utility model relates to an industrial drainage pipeline backflow preventing device in the technical field of backflow prevention, which comprises an industrial drainage pipe, a water level shunt pipe and a floating lever assembly, wherein the floating lever assembly comprises a floating ball, a hinge rod, a linkage shaft, a lever sleeve strip, a hinge shaft, a linkage block, a linkage valve strip, a rotating shaft and a valve core body. The utility model adopts the floating lever assembly, has the advantages that the linkage block enables the linkage valve strip to rotate clockwise, the sealing ring can realize closing and blocking on the inner wall of the industrial drain pipe, and the reverse flow prevention treatment is different from the electric control reverse flow prevention device, the use and the installation are more convenient, the device can be used for a long time in the condition and environment which do not depend on power, and the stability is high, thereby solving the problems that the device is used by an electrifying means, the device is difficult to be used for a long time in the condition and environment which do not depend on power in time in the process of pipeline blockage, and the use stability is poor.

Inventors

  • CHANG YUNPENG
  • TIAN LIPING
  • YUE SUILU

Assignees

  • 洛阳理工学院

Dates

Publication Date
20260508
Application Date
20250624

Claims (10)

  1. 1. The industrial drainage pipeline backflow prevention device comprises an industrial drainage pipe (1) and a water level shunt pipe (2) and is characterized in that the water level shunt pipe (2) is fixedly communicated with the outer wall of the industrial drainage pipe (1), and a floating lever assembly is arranged in the water level shunt pipe (2); The floating lever assembly comprises a floating ball (3) which is arranged in the water level shunt pipe (2) in a sliding manner, a hinge rod (4) is fixedly connected to the top end of the outer wall of the floating ball (3), a linkage shaft (5) is fixedly connected to one side of the inner wall of the hinge rod (4), a lever sleeve strip (6) is rotatably connected to the outer wall of the linkage shaft (5), and a hinge shaft (7) is rotatably connected to the position, away from the linkage shaft (5), of the inner wall of the lever sleeve strip (6); A linkage block (8) is fixedly arranged at one end part of the hinge shaft (7), a linkage valve strip (9) is fixedly connected to the outer wall of the linkage block (8), a rotary shaft (10) is fixedly arranged at the side part of the linkage valve strip (9), and a valve core body (11) is fixedly connected to one end part of the rotary shaft (10).
  2. 2. The industrial drainage pipeline backflow prevention device according to claim 1, wherein the floating ball (3) is connected with the water level shunt pipe (2) in a sliding mode, and the outer wall of the floating ball (3) is a smooth surface.
  3. 3. The industrial drainage pipeline backflow prevention device according to claim 1, wherein the lever sleeve strip (6) is hinged with the hinge rod (4), and the center point of the linkage shaft (5) is lower than the center point of the hinge shaft (7); The rotary shaft (10) is rotationally connected with the industrial drain pipe (1), and the valve core body (11) is rotationally connected with the industrial drain pipe (1).
  4. 4. An industrial drain pipeline backflow prevention device according to claim 1, wherein the outer wall of the rotating shaft (10) is rotatably connected with a sealing sleeve (12), one end part of the sealing sleeve (12) is fixedly connected with a sealing collar (13), and the sealing collar (13) is rotatably connected with the rotating shaft (10); The sealing sleeve (12) is fixedly connected with the industrial drain pipe (1).
  5. 5. The industrial drain pipeline countercurrent prevention device according to claim 1, wherein a counterweight balance assembly is arranged on the upper surface of the linkage valve strip (9); the counterweight balance assembly comprises a support block (14) fixedly arranged on the upper surface of the linkage valve strip (9), and a counterweight column (15) is fixedly arranged on the upper surface of the support block (14); The counterweight balance assembly further comprises a linkage plate (16), a spring (17), a bottom plate (18), a linkage bar (19) and a reinforcing block (20); the linkage plate (16) is fixed on the lower surface of the linkage valve strip (9), the spring (17) is fixedly arranged at the bottom end of the linkage plate (16), the bottom plate (18) is fixedly arranged at the bottom end of the spring (17), the linkage strip (19) is fixedly arranged on the lower surface of the bottom plate (18), the reinforcing block (20) is fixedly arranged at one end part of the linkage strip (19), and the reinforcing block (20) is fixedly connected with the industrial drain pipe (1).
  6. 6. An industrial drain pipe backflow prevention device as claimed in claim 5, wherein the weight column (15) is made of lead material, and the weight column (15) has a circular cross-sectional shape.
  7. 7. The industrial drain pipeline backflow prevention device according to claim 5, wherein the linkage plate (16) and the bottom plate (18) are symmetrically arranged with respect to the spring (17), and the cross-sectional shapes of the linkage plate (16) and the bottom plate (18) are circular.
  8. 8. The industrial drainage pipeline backflow prevention device according to claim 1, wherein the inner wall of the floating ball (3) is provided with a guide component; The guide assembly comprises a support column (21), a support ring (22), a guide rod (23) and a limiting block (24); The support column (21) is slidably positioned on the inner wall of the floating ball (3), the support column (21) is fixedly connected with the water level shunt tube (2), the support ring (22) is fixedly positioned on the outer wall of the support column (21), the support ring (22) is used for supporting the floating ball (3), the top end of the support column (21) is fixedly connected with the guide rod (23), and the floating ball (3) is slidably connected with the guide rod (23); The limiting block (24) is fixedly arranged at the top end of the guide rod (23), and the limiting block (24) is used for limiting the floating ball (3).
  9. 9. The industrial drainage pipeline backflow prevention device according to claim 1, wherein limiting rings (25) are connected to two sides of the lever sleeve strip (6) in a sliding mode, and the two limiting rings (25) are fixedly connected with the hinge shaft (7).
  10. 10. The industrial drain pipeline backflow prevention device according to claim 1, wherein the outer wall of the valve core body (11) is fixedly connected with a sealing ring (26), and the sealing ring (26) is rotationally connected with the industrial drain pipeline (1); The bottom end of the industrial drain pipe (1) is fixedly communicated with a lower drain pipe (27).

Description

Industrial drainage pipeline anti-reflux device Technical Field The utility model relates to the technical field of backflow prevention, in particular to an industrial drainage pipeline backflow prevention device. Background The industrial drainage pipeline backflow prevention device has the main function of preventing sewage or harmful media from flowing backwards in the pipeline, so that the damage to production environment, equipment and personnel safety is avoided. However, in industrial production, the drain pipeline may be blocked by impurities, and the pipeline is blocked, so that the drain overflow is continuously performed on the pipeline. Among the prior publications, patent publication No. CN105179762A discloses an anti-reflux device, which is characterized in that a water outlet hole sealing piece is arranged in a water inlet cavity of a shell. The anti-reflux device provided by the invention adopts a pure mechanical structure to control the water pressure conversion in the control valve assembly so as to realize the opening or closing of the water inlet, can rapidly convert between two working conditions of water supply and water supplement, and effectively prevents the occurrence of the reflux phenomenon under the condition of keeping the normal operation of equipment, but has the following defects; When the industrial drainage pipeline is used for drainage, the water body inside the industrial drainage pipeline is caused to flow reversely and go out due to the congestion of the pipeline, the industrial drainage pipeline is required to be used through an electrifying means, the industrial drainage pipeline is difficult to use for a long time in the process of pipeline blockage in time, and the industrial drainage pipeline is difficult to use for a long time under the condition and environment independent of power, and has poor use stability. Disclosure of utility model In order to overcome the defects of the prior art, the technical scheme is that the industrial drainage pipeline backflow prevention device comprises an industrial drainage pipe and a water level shunt pipe, wherein the water level shunt pipe is fixedly communicated with the outer wall of the industrial drainage pipe, a floating lever assembly is arranged in the water level shunt pipe, the floating lever assembly comprises a floating ball which is slidably arranged in the water level shunt pipe, a hinge rod is fixedly connected to the top end of the outer wall of the floating ball, a linkage shaft is fixedly connected to one side of the inner wall of the hinge rod, a lever sleeve strip is rotatably connected to the outer wall of the linkage shaft, a hinge shaft is rotatably connected to the inner wall of the lever sleeve strip at a position far away from the linkage shaft, a linkage block is fixedly arranged at one end part of the hinge shaft, a linkage valve strip is fixedly connected to the outer wall of the linkage block, a rotary shaft is fixedly arranged at the side part of the linkage valve strip, and a valve core body is fixedly connected to one end part of the rotary shaft. Preferably, the floating ball is in sliding connection with the water level shunt pipe, and the outer wall of the floating ball is a smooth surface. The lever sleeve strip is hinged with the hinging rod, the center point of the linkage shaft is lower than that of the hinging shaft, the rotating shaft is rotationally connected with the industrial drain pipe, and the valve core body is rotationally connected with the industrial drain pipe. The outer wall of the rotating shaft is rotationally connected with a sealing sleeve, one end part of the sealing sleeve is fixedly connected with a sealing collar, the sealing collar is rotationally connected with the rotating shaft, and the sealing sleeve is fixedly connected with an industrial drain pipe. When the technology is used, the industrial drain pipe is filled into the water level shunt pipe, the floating ball drives the hinging rod to move upwards, the linkage shaft drives the bottom end of the lever sleeve bar to move upwards, the hinging shaft drives the two limiting rings to rotate clockwise, the linkage block enables the linkage valve bar to rotate clockwise, the rotating shaft stably rotates clockwise in the sealing sleeve and the sealing collar, the sealing ring can close and plug the inner wall of the industrial drain pipe, and countercurrent treatment is prevented. Preferably, the upper surface of the linkage valve strip is provided with a counterweight balance component; the balance weight assembly comprises a supporting block fixedly arranged on the upper surface of the linkage valve strip, a balance weight column is fixedly arranged on the upper surface of the supporting block, the balance weight assembly further comprises a linkage plate, a spring, a bottom plate, a linkage strip and a reinforcing block, the linkage plate is fixed on the lower surface of the linkage valve strip, the spring is