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CN-224214899-U - Double-deck inlet tube subassembly of leak protection water

CN224214899UCN 224214899 UCN224214899 UCN 224214899UCN-224214899-U

Abstract

The utility model discloses a water leakage prevention double-layer water inlet pipe assembly, which relates to the technical field of water pipes and comprises an inner hose, wherein one end of the inner hose is connected with a water outlet port, the other end of the inner hose is connected with a water inlet port, butt joint screw caps are arranged on the water outlet port and the water inlet port, an outer corrugated pipe is sleeved outside the inner hose, a one-way valve assembly is arranged in the water inlet port, the one-way valve assembly comprises a one-way valve body fixedly arranged in the water inlet port, a retainer is fixedly arranged at one end of the one-way valve body, a positioning shaft is slidably arranged on the retainer, a reset spring is sleeved on the positioning shaft, a sealing plug is fixedly arranged at the tail end of the positioning shaft, a plugging mechanism is arranged at one side of the one-way valve assembly, and a mounting groove is formed in the outer wall of the one-way valve body. The water leakage prevention double-layer water inlet pipe assembly is matched with the blocking mechanism through the one-way valve assembly, so that tap water can be prevented from passing through the inner hose when the pipeline is broken, and waste of water resources is reduced.

Inventors

  • GU NIANDONG
  • GAO YANAN

Assignees

  • 无锡市金华屹圆科技有限公司

Dates

Publication Date
20260508
Application Date
20250730

Claims (7)

  1. 1. The utility model provides a double-deck inlet tube subassembly of leak protection water, includes interior hose (3), interior hose (3) one end is connected with out water connector (1), interior hose (3) other end is connected with into water connector (4), go out all install butt joint screw cap (5) on water connector (1) and the water connector (4), its characterized in that, interior hose (3) outside cover is equipped with outer bellows (2), be provided with check valve assembly (6) in water connector (4), check valve assembly (6) include check valve body (601) of fixed mounting in water connector (4), check valve body (601) one end fixed mounting has holder (602), slidable mounting has location axle (603) on holder (602), the cover is equipped with reset spring (604) on location axle (603), sealing plug (605) are fixed to location axle (603) end, shutoff mechanism (7) are installed to check valve assembly (6) one side.
  2. 2. The water leakage prevention double-layer water inlet pipe assembly according to claim 1, wherein the outer wall of the one-way valve body (601) is provided with a mounting groove (606), and a first sealing ring (607) is arranged in the mounting groove (606).
  3. 3. The water leakage prevention double-layer water inlet pipe assembly according to claim 2, wherein a sliding hole is formed in the middle of the retainer (602), the positioning shaft (603) is slidably mounted on the retainer (602) through the sliding hole, hoops are arranged at two ends of the outer corrugated pipe (2), and the outer corrugated pipe (2) is fixed on the inner hose (3) through the hoops.
  4. 4. The water leakage prevention double-layer water inlet pipe assembly according to claim 3, wherein the sealing plug (605) is slidably mounted in the check valve body (601) through the positioning shaft (603), one end of the return spring (604) is connected to the retainer (602), the other end of the return spring (604) is connected to the sealing plug (605), and the first sealing ring (607) is mounted on the check valve body (601) through the mounting groove (606).
  5. 5. The water leakage prevention double-layer water inlet pipe assembly according to claim 4, wherein the plugging mechanism (7) comprises a mounting frame (707) fixedly mounted in the water inlet port (4), a mechanism cylinder (702) is fixedly mounted on the mounting frame (707), bentonite (703) is filled in the mechanism cylinder (702), a piston plate (704) is slidably mounted in the mechanism cylinder (702), a push rod (705) is fixedly mounted on the piston plate (704), the push rod (705) is aligned with the positioning shaft (603) in front-back mode, and a capillary tube (701) is connected to the mechanism cylinder (702).
  6. 6. The water leakage prevention double-layer water inlet pipe assembly according to claim 5, wherein the mechanism cylinder body (702) is provided with an inlet and an outlet, the ejector rod (705) extends out of the mechanism cylinder body (702) through the inlet and the outlet, and a second sealing ring (706) is arranged in the inlet and the outlet of the mechanism cylinder body (702).
  7. 7. The water leakage prevention double-layer water inlet pipe assembly according to claim 6, wherein the mechanism cylinder body (702) is fixedly arranged in the water inlet interface (4) through a mounting frame (707), the ejector rod (705) is movably arranged on the mechanism cylinder body (702) through a piston plate (704), one end of the capillary tube (701) is communicated with the mechanism cylinder body (702), and the other end of the capillary tube (701) is communicated with the outer corrugated pipe (2).

Description

Double-deck inlet tube subassembly of leak protection water Technical Field The utility model relates to the technical field of water pipes, in particular to a water leakage prevention double-layer water inlet pipe assembly. Background The water inlet pipe is a core component of the water supply system and is responsible for directionally conveying water flow of a water source to water using equipment or a water storage device. Are commonly manufactured from corrosion resistant materials (such as PVC, stainless steel, copper tubing or PPR) and are classified into flexible hose and rigid tubing depending on the application. In the prior art, the authorized bulletin number is CN220378954U, a one-way valve and a drain pipe with the one-way valve are disclosed, a diaphragm and a diaphragm seat of the one-way valve are made of soft rubber materials, a valve plate is made of hard rubber materials, the middle part of the valve plate is a valve plate through hole which penetrates up and down, the diaphragm is downwards attached to seal the valve plate through hole, the diaphragm upwards moves to open the valve plate through hole, the edge of the valve plate is convexly provided with a clamping part, the outer side wall of the diaphragm seat is provided with a side wall opening communicated with the through hole of the diaphragm seat, and the side wall opening corresponds to the clamping part so that the clamping part extends out of the outer side wall of the diaphragm seat. The one-way valve is arranged in the pipeline to prevent liquid in the pipeline from flowing back. However, after prolonged use, the hose is at risk of breakage due to material degradation, wear or other external factors. Once the hose breaks, moisture gradually leaks out of the breach. If the leakage phenomenon is not timely detected and treated, not only the function failure of the hose can be caused, but also the loss of valuable water resources can be caused, so that the problem of water resource waste is caused, and unnecessary economic loss and environmental burden are brought to users. Disclosure of utility model The utility model aims to provide a water leakage prevention double-layer water inlet pipe assembly so as to solve the problems in the prior art. In order to achieve the above purpose, the utility model provides the technical scheme that the anti-leakage double-layer water inlet pipe assembly comprises an inner hose, one end of the inner hose is connected with a water outlet port, the other end of the inner hose is connected with a water inlet port, butt joint threaded caps are arranged on the water outlet port and the water inlet port, an outer corrugated pipe is sleeved on the outer side of the inner hose, a one-way valve assembly is arranged in the water inlet port and comprises a one-way valve body fixedly arranged in the water inlet port, a retainer is fixedly arranged at one end of the one-way valve body, a positioning shaft is slidably arranged on the retainer, a reset spring is sleeved on the positioning shaft, a sealing plug is fixedly arranged at the tail end of the positioning shaft, and a plugging mechanism is arranged on one side of the one-way valve assembly. Preferably, the outer wall of the check valve body is provided with a mounting groove, and a first sealing ring is arranged in the mounting groove. Preferably, the sliding hole is arranged at the middle position of the retainer, the positioning shaft is slidably arranged on the retainer through the sliding hole, the two ends of the outer corrugated pipe are provided with clamps, and the outer corrugated pipe is fixed on the inner hose through the clamps. Preferably, the sealing plug is slidably mounted in the check valve body through the positioning shaft, one end of the return spring is connected to the retainer, the other end of the return spring is connected to the sealing plug, and the first sealing ring is mounted on the check valve body through the mounting groove. Preferably, the plugging mechanism comprises a mounting frame fixedly mounted in the water inlet interface, a mechanism cylinder body is fixedly mounted on the mounting frame, bentonite is filled in the mechanism cylinder body, a piston plate is slidably mounted in the mechanism cylinder body, a push rod is fixedly mounted on the piston plate and aligned with the positioning shaft in front-back direction, and a capillary tube is connected to the mechanism cylinder body. Preferably, the mechanism cylinder body is provided with an inlet and an outlet, the ejector rod extends out of the mechanism cylinder body through the inlet and the outlet, and a second sealing ring is arranged in the inlet and the outlet on the mechanism cylinder body. Preferably, the mechanism cylinder body is fixedly arranged in the water inlet interface through the mounting frame, the ejector rod is movably arranged in the mechanism cylinder body through the piston plate, one end of the capillary tube is communicated with t