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CN-224220534-U - Backflow-preventing breathing machine

CN224220534UCN 224220534 UCN224220534 UCN 224220534UCN-224220534-U

Abstract

The application relates to a backflow prevention breathing machine which comprises a host, a water tank and an ultrasonic atomization sheet, wherein an air outlet of the host is connected with an air outlet pipe, the water tank is arranged on the air outlet pipe, a first through hole communicated with the air outlet pipe is formed in the water tank, the ultrasonic atomization sheet is arranged at the communication position of the first through hole and the air outlet pipe and is connected with the water tank and the air outlet pipe, the backflow prevention breathing machine is in a standby state and a humidifying state, the ultrasonic atomization sheet is used for blocking the first through hole when the backflow prevention breathing machine is in the standby state, and the ultrasonic atomization sheet is used for atomizing liquid in the water tank and flowing to the air outlet pipe when the backflow prevention breathing machine is in the humidifying state. According to the backflow-preventing breathing machine, the problem of how to atomize is solved by utilizing the ultrasonic atomizing sheet, and because the ultrasonic atomizing sheet has certain tightness and does not need to be provided with a special sealing structure, the ultrasonic atomizer can rotate along with the water tank, so that the first through hole can be sealed at any angle, and the problem caused by backflow or backflow of liquid in the water tank is solved.

Inventors

  • ZHANG YI
  • HE ZHEN

Assignees

  • 深圳市伟晴大健康科技有限公司

Dates

Publication Date
20260512
Application Date
20250401

Claims (10)

  1. 1. Backflow-preventing breathing machine, characterized in that the backflow-preventing breathing machine comprises: The device comprises a host machine (100), wherein an air outlet of the host machine (100) is connected with an air outlet pipe (200); A water tank (300) mounted on the air outlet pipe (200), wherein a first through hole (311) communicated with the air outlet pipe (200) is arranged on the water tank (300); The ultrasonic atomization sheet (400) is arranged at the communication position of the first through hole (311) and the air outlet pipe (200) and is connected with the water tank (300) and the air outlet pipe (200); the backflow prevention breathing machine is provided with a standby state and a humidifying state, when the backflow prevention breathing machine is in the standby state, the ultrasonic atomization sheet (400) is used for blocking the first through hole (311), and when the backflow prevention breathing machine is in the humidifying state, the ultrasonic atomization sheet (400) is used for enabling liquid in the water tank (300) to be atomized and flow to the air outlet pipe (200).
  2. 2. The backflow prevention breathing machine according to claim 1, further comprising a transducer cover plate (500) arranged between the water tank (300) and the air outlet pipe (200) and connected to the water tank (300) and the air outlet pipe (200), wherein a flow passage (510) for communicating the first through hole (311) and the air outlet pipe (200) is arranged on the transducer cover plate (500), and a mounting part (520) for mounting the ultrasonic atomization sheet (400) is arranged on the inner wall of the flow passage (510).
  3. 3. The backflow prevention ventilator of claim 2, wherein an end surface of the transducer cover plate (500) near one side of the water tank (300) is provided with a groove communicating with the flow passage (510) and extending in a length direction of the flow passage (510), the groove forming the mounting portion (520).
  4. 4. The backflow prevention ventilator of claim 2, wherein a wire hole (530) through which a wire harness (410) of the ultrasonic atomizing sheet (400) passes is provided on the transducer cover plate (500), the wire hole (530) being in communication with the mounting portion (520).
  5. 5. The backflow prevention breathing machine according to claim 2, wherein the air outlet pipe (200) is provided with a mounting seat (600) connected to the transducer cover plate (500), and the mounting seat (600) is provided with a second through hole (610) for communicating the air outlet pipe (200) with the flow channel (510).
  6. 6. The backflow prevention ventilator of claim 5, further comprising a locking member passing through the mounting block (600), the transducer cover plate (500), and connected to the water tank (300); the locking pieces are arranged in a plurality, and the locking pieces are distributed around the circumference of the flow channel (510).
  7. 7. The backflow prevention ventilator of claim 5, further comprising a seal (700), the seal (700) sandwiched between the mount (600) and the transducer cover plate (500).
  8. 8. The backflow prevention breathing machine according to claim 7, wherein a first limit groove is formed in one side, close to the transducer cover plate (500), of the mounting base (600), a second limit groove is formed in one side, close to the mounting base (600), of the transducer cover plate (500), and the sealing element (700) is partially arranged in the first limit groove and partially arranged in the second limit groove.
  9. 9. The backflow prevention breathing machine according to claim 1, further comprising a temperature and humidity sensor (800), wherein the temperature and humidity sensor (800) is arranged on the air outlet pipe (200) and is located at one side of the air outlet pipe (200) away from the air outlet of the host machine (100).
  10. 10. The backflow prevention ventilator of claim 1, further comprising a support bracket (900) coupled to the water tank (300), the support bracket (900) coupled to the outlet conduit (200).

Description

Backflow-preventing breathing machine Technical Field The application relates to the technical field of respirators, in particular to a backflow-preventing water tank and a respirator. Background The respirator is a medical device which can be suitable for diseases such as light and medium chronic obstructive pulmonary disease, neuromuscular/amyotrophic lateral sclerosis, obesity hypopnea, chen Shishi respiration and the like. The breathing machine is including host computer and the water pitcher that are connected, and the breathing machine is at the during operation, and the fan extraction air of host computer, the air current that the fan produced flows out after the water pitcher, in this field, generally through the liquid in the heating water pitcher to the air current that flows in the water pitcher carries out the humidification, makes the internal gaseous increase humidity of inhaling patient, and then provides the comfort level of treatment, makes the user obtain better breathing experience. However, when the existing water tank is inclined or rotated, a backflow or reverse flow phenomenon occurs, so that the liquid in the water tank flows outwards or into the breathing machine. Disclosure of utility model Accordingly, it is necessary to provide a backflow prevention ventilator against the backflow or the backflow caused when the water tank is tilted or rotated. A backflow-preventing ventilator, the backflow-preventing ventilator comprising: the air outlet of the host is connected with an air outlet pipe; The water tank is arranged on the air outlet pipe, and a first through hole communicated with the air outlet pipe is formed in the water tank; The ultrasonic atomization sheet is arranged at the communication part of the first through hole and the air outlet pipe and is connected with the water tank and the air outlet pipe; The backflow prevention breathing machine is provided with a standby state and a humidifying state, when the backflow prevention breathing machine is in the standby state, the ultrasonic atomization sheet is used for blocking the first through hole, and when the backflow prevention breathing machine is in the humidifying state, the ultrasonic atomization sheet is used for enabling liquid in the water tank to be atomized and flow to the air outlet pipe. In one embodiment, the ultrasonic atomizing device further comprises a transducer cover plate which is arranged between the water tank and the air outlet pipe and connected with the water tank and the air outlet pipe, wherein the transducer cover plate is provided with a flow passage which is communicated with the first through hole and the air outlet pipe, and the inner wall of the flow passage is provided with a mounting part for mounting the ultrasonic atomizing sheet. In one embodiment, the end surface of the transducer cover plate, which is close to one side of the water tank, is provided with a groove which is communicated with the flow channel and extends along the length direction of the flow channel, and the groove is used for forming the mounting part. In one embodiment, the transducer cover plate is provided with a wire hole for the wire harness of the ultrasonic atomization sheet to pass through, and the wire hole is communicated with the mounting part. In one embodiment, the air outlet pipe is provided with an installation seat connected with the energy converter cover plate, and the installation seat is provided with a second through hole communicated with the air outlet pipe and the flow channel. In one embodiment, the device further comprises a locking piece, wherein the locking piece passes through the mounting seat, the transducer cover plate and is connected to the water tank; The locking pieces are arranged in a plurality, and the locking pieces are circumferentially distributed around the flow passage. In one embodiment, the device further comprises a sealing element, wherein the sealing element is clamped between the mounting seat and the transducer cover plate. In one embodiment, a first limit groove is formed in one side, close to the transducer cover plate, of the mounting seat, a second limit groove is formed in one side, close to the mounting seat, of the transducer cover plate, and the sealing element is partially arranged in the first limit groove and partially arranged in the second limit groove. In one embodiment, the device further comprises a temperature and humidity sensor, wherein the temperature and humidity sensor is arranged on the air outlet pipe and is positioned on one side of the air outlet pipe away from the air outlet of the host. In one embodiment, the water tank further comprises a support frame connected to the water tank, and the support frame is connected to the air outlet pipe. Above-mentioned anti-backflow breathing machine is connected with the outlet duct at the gas outlet of host computer, with the one end that deviates from the host computer of outlet duct towards the user,