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CN-224229472-U - Plug-in connection type corrosion-resistant low-pressure pipe

CN224229472UCN 224229472 UCN224229472 UCN 224229472UCN-224229472-U

Abstract

The utility model relates to the technical field of low-pressure pipes, in particular to a plug-in connection type corrosion-resistant low-pressure pipe, which comprises a connecting pipe and a low-pressure pipe body, wherein the outer surface of the low-pressure pipe body is fixedly connected with a limiting ring, an automatic locking part is arranged in the connecting pipe, the automatic locking part comprises a moving ring, a compression ring, moving grooves, a squeezing block and a locking rod, the two moving grooves are formed in the inner wall of the connecting pipe, the two moving rings are respectively and slidably connected at two ends of the connecting pipe, the squeezing block is fixedly connected with the moving rings, the locking rod enters into a locking hole through the cooperation of the moving rings, the compression ring and the squeezing block, the fixing of the low-pressure pipe body is completed, the limiting effect of the locking rod ensures that the low-pressure pipe body cannot deviate under the action of external force to generate a gap phenomenon, the stability of the connection is improved, and meanwhile, the water leakage phenomenon caused by the internal pressure effect is avoided.

Inventors

  • ZHANG GUANGQI
  • LIU JUN
  • DONG QIANG

Assignees

  • 济宁耀坤机械有限公司

Dates

Publication Date
20260512
Application Date
20250528

Claims (6)

  1. 1. The plug-in connection type corrosion-resistant low-pressure pipe comprises a connecting pipe (1) and a low-pressure pipe body (2), and is characterized in that a limiting ring (3) is fixedly connected to the outer surface of the low-pressure pipe body (2); Install automatic locking part in connecting pipe (1), automatic locking part includes removal ring (4), clamp ring (5), removes groove (7), extrusion piece (8), locking lever (10), two remove groove (7) all and offer on the inner wall of connecting pipe (1), two remove ring (4) sliding connection respectively are in the both ends of connecting pipe (1), extrusion piece (8) with remove ring (4) fixed connection, the locking hole has been seted up to extrusion piece (8), extrusion piece (8) sliding connection is in remove in groove (7), two all sliding connection of clamp ring (5) are in remove in ring (4), clamp ring (5) with be a plurality of hold-down springs (6) are installed to annular array between removal ring (4) inner wall, two locking lever (10) all with connecting pipe (1) sliding connection, locking lever (10) with extrusion piece (8) sliding connection, locking lever (10) sliding connection is in the locking hole.
  2. 2. The plug-in connection type corrosion-resistant low-pressure pipe according to claim 1, wherein the limiting ring (3) is in sliding connection with the compression ring (5), a square through hole is formed in the outer surface of the movable ring (4), a square plate (18) is slidably connected in the square through hole, the square plate (18) is fixedly connected with one of the compression rings (5), a protection chamber (9) is fixedly connected with the outer surface of the connecting pipe (1), and a straight plate (11) is slidably connected in the protection chamber (9).
  3. 3. The plug-in connection type corrosion-resistant low-pressure pipe according to claim 2, wherein the straight plate (11) is fixedly connected with the locking rod (10), and a return spring (12) is fixedly connected between the straight plate (11) and the outer surface of the connecting pipe (1).
  4. 4. A plug-in connection type corrosion-resistant low pressure pipe according to claim 2, characterized in that a pulling plate (13) is fixedly connected to the upper surface of the straight plate (11), a screw (14) is screwed to the protection chamber (9), and the screw (14) is slidingly connected with the straight plate (11).
  5. 5. The plug-in connection type corrosion-resistant low pressure pipe according to claim 1, wherein a sealing ring (15) is fixedly connected in the connecting pipe (1), and the low pressure pipe body (2) is slidingly connected in the sealing ring (15).
  6. 6. The plug-in connection type corrosion-resistant low-pressure pipe according to claim 5, wherein sealing grooves (16) are formed in two sides of the sealing ring (15), a sealing ring (17) is fixedly connected to the outer surface of the movable ring (4), and the sealing ring (17) is slidably connected in the sealing grooves (16).

Description

Plug-in connection type corrosion-resistant low-pressure pipe Technical Field The utility model relates to the technical field of low-pressure pipes, in particular to a plug-in connection type corrosion-resistant low-pressure pipe. Background When the existing plug-in connection type corrosion-resistant low-pressure pipe is used, the low-pressure pipe is directly inserted into the connecting pipe, the limiting action is carried out on the low-pressure pipe through the clamping groove, the limiting action of the clamping groove is unreliable, once the external force is applied, a gap is easily generated, water leakage or air leakage occurs, meanwhile, the low-pressure pipe cannot be detached in the connection mode, the maintenance process is troublesome, the low-pressure pipe is damaged, only the whole low-pressure pipe can be replaced, and the loss is increased. Disclosure of utility model The utility model aims to solve the defects in the prior art that when the existing plug-in connection type corrosion-resistant low-pressure pipe is used, the low-pressure pipe is directly inserted into a connecting pipe, the limiting effect of a clamping groove on the low-pressure pipe is unreliable, once the clamping groove is subjected to external force, a gap is easily generated, so that water leakage or air leakage phenomenon occurs, and meanwhile, the low-pressure pipe cannot be disassembled in the connection mode, so that the maintenance process is troublesome, the low-pressure pipe is damaged, only the whole low-pressure pipe can be replaced, and the loss is increased. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The plug-in connection type corrosion-resistant low-pressure pipe comprises a connecting pipe and a low-pressure pipe body, wherein a limiting ring is fixedly connected to the outer surface of the low-pressure pipe body; the automatic locking component comprises a moving ring, a compression ring, a moving groove, a squeezing block and a locking rod, wherein the moving groove is formed in the inner wall of the connecting pipe, the moving ring is respectively and slidably connected with the two ends of the connecting pipe, the squeezing block is fixedly connected with the moving ring, the squeezing block is provided with a locking hole, the squeezing block is slidably connected in the moving groove, the two compression rings are slidably connected in the moving ring, a plurality of compression springs are arranged between the compression ring and the inner wall of the moving ring in an annular array, the locking rod is slidably connected with the connecting pipe, and the locking rod is slidably connected with the squeezing block. Preferably, the limiting ring is in sliding connection with the compression ring, a square through hole is formed in the outer surface of the movable ring, a square plate is in sliding connection with the square through hole, the square plate is fixedly connected with one of the compression rings, a protection chamber is fixedly connected with the outer surface of the connecting pipe, and a straight plate is in sliding connection with the protection chamber. Preferably, the straight plate is fixedly connected with the locking rod, and a reset spring is fixedly connected between the straight plate and the outer surface of the connecting pipe. Preferably, the upper surface of the straight plate is fixedly connected with a pulling plate, the protection chamber is in threaded connection with a screw, and the screw is in sliding connection with the straight plate. Preferably, a sealing ring is fixedly connected in the connecting pipe, and the low-pressure pipe body is slidably connected in the sealing ring. Preferably, sealing grooves are formed in two sides of the sealing ring, a sealing ring is fixedly connected to the outer surface of the movable ring, and the sealing ring is slidably connected in the sealing grooves. Compared with the prior art, the utility model has the beneficial effects that: 1. The locking rod enters into the locking hole through the cooperation of the movable ring, the compression ring and the extrusion block, the fixing of the low-pressure pipe body is completed, the limiting effect of the locking rod ensures that the low-pressure pipe body cannot deviate under the action of external force to generate a gap phenomenon, the stability of connection is improved, and meanwhile the water leakage phenomenon caused by the action of internal pressure is avoided. 2. The sealing ring, the low-pressure pipe body and the like are connected in a matched mode, so that the two low-pressure pipe bodies and the sealing ring form a complete sealing whole, the water leakage preventing capacity of the low-pressure pipe body is further improved, the service life of the low-pressure pipe body is prolonged, and the internal water flow is prevented from corroding the connecting part from flowing to the connecting part. 3. The