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CN-224220550-U - Aeration treatment equipment, liquid inlet mechanism and humidifying device thereof

CN224220550UCN 224220550 UCN224220550 UCN 224220550UCN-224220550-U

Abstract

The utility model relates to the field of ventilation equipment, and discloses ventilation treatment equipment, a liquid inlet mechanism and a humidifying device thereof, wherein the liquid inlet mechanism comprises a shell with a gas-liquid conveying cavity, the shell is provided with a liquid inlet, a liquid outlet and a ventilation port which are respectively communicated with the gas-liquid conveying cavity, so that liquid which is introduced from the liquid inlet is allowed to pass through the liquid outlet to be filled into the liquid storage container, and the filling is stopped when the ventilation port is blocked by the liquid in the liquid storage container. The liquid in the sealed container flows into the gas-liquid conveying cavity from the liquid inlet, flows into the liquid storage container from the liquid outlet, and gas enters the ventilation port from the liquid storage container, enters the gas-liquid conveying cavity through the ventilation port, and is discharged to the sealed container from the liquid inlet, so that gas-liquid exchange between the sealed container and the liquid storage container is completed. When the liquid level in the liquid storage container rises to the plugging ventilation port, the gas in the liquid storage container can not enter the sealing container, the liquid in the sealing container can not be discharged any more, and the liquid outlet is stopped.

Inventors

  • ZHANG JIE
  • ZHUANG ZHI

Assignees

  • 北京瑞迈特医疗科技股份有限公司

Dates

Publication Date
20260512
Application Date
20250325

Claims (20)

  1. 1. The liquid inlet mechanism of the liquid storage container is characterized in that the liquid inlet mechanism (10) comprises a shell (11) with a gas-liquid conveying cavity (111), a liquid inlet (112), a liquid outlet (113) and a ventilation port (114) which are respectively communicated with the gas-liquid conveying cavity (111) are formed on the shell (11), liquid introduced from the liquid inlet (112) is allowed to be filled into the liquid storage container (20) through the liquid outlet (113), and filling is stopped when the ventilation port (114) is blocked by the liquid in the liquid storage container (20).
  2. 2. The liquid feeding mechanism according to claim 1, wherein the liquid feeding chamber (111) comprises a liquid feeding chamber and a ventilation chamber (1113), the liquid feeding chamber comprises the liquid inlet (112) and the liquid outlet (113), the ventilation chamber (1113) comprises the ventilation port (114) and a gas communication port (1172), one side, which is close to the liquid in the liquid storage container (20) when the liquid feeding mechanism (10) is mounted to the liquid storage container (20), is provided as the ventilation port (114), and the gas communication port (1172) is communicated with the liquid inlet (112).
  3. 3. The liquid feeding mechanism according to claim 2, wherein the housing (11) comprises a main housing (115) and a side housing (116) provided at one side of the main housing (115), the main housing (115) forming the liquid feeding chamber, the side housing (116) forming the ventilation chamber (1113).
  4. 4. A liquid inlet mechanism according to claim 3, characterized in that the top end of the main housing (115) forms the liquid inlet (112), the main housing (115) is recessed from the side wall of the bottom end toward the top end to form at least one notch, and the notch is configured as the liquid outlet (113).
  5. 5. The liquid feeding mechanism according to claim 2, characterized in that the liquid feeding mechanism (10) further comprises an on-off control part (12) movably arranged in the gas-liquid conveying cavity (111), the liquid feeding cavity comprises a first cavity (1111) communicated with the liquid inlet (112) and a second cavity (1112) communicated with the liquid outlet (113), and the on-off control part (12) can be driven to isolate and communicate the first cavity (1111) with both the second cavity (1112) and the ventilation cavity (1113).
  6. 6. The fluid intake mechanism of claim 5, wherein the fluid intake mechanism (10) further comprises a resilient return member (13), the return member (13) being connected to the housing (11) and the on-off control member (12), respectively, the return member (13) being configured to be driven by a compressive force to move the on-off control member (12) such that the first chamber (1111) is in communication with both the second chamber (1112) and the vent chamber (1113), and to drive the on-off control member (12) to return to an isolated position of the first chamber (1111) with both the second chamber (1112) and the vent chamber (1113) by self-resilience.
  7. 7. The liquid feeding mechanism according to claim 6, wherein a liquid communication port (1171) and the gas communication port (1172) are provided in the first chamber (1111), the second chamber (1112) communicates with the first chamber (1111) through the liquid communication port (1171), the ventilation chamber (1113) communicates with the first chamber (1111) through the gas communication port (1172), and the on-off control means (12) isolates or communicates the first chamber (1111) from both the second chamber (1112) and the ventilation chamber (1113) by blocking or opening the liquid communication port (1171) and the gas communication port (1172), respectively.
  8. 8. The liquid feeding mechanism according to claim 7, wherein a partition plate (117) is provided at one end of the first chamber (1111) close to the second chamber (1112) and the ventilation chamber (1113), and the liquid communication port (1171) and the gas communication port (1172) are formed on the partition plate (117).
  9. 9. The liquid feeding mechanism according to claim 7, wherein the on-off control part (12) comprises a blocking part (121) positioned in the first cavity (1111) and a transmission part (122) penetrating from the first cavity (1111) to the second cavity (1112), the transmission part (122) is connected with the blocking part (121), and the blocking part (121) moves in the first cavity (1111) by driving the transmission part (122) to move in the second cavity (1112).
  10. 10. The liquid feeding mechanism as claimed in claim 9, wherein the transmission portion (122) includes a water passing column (1221) provided to move with respect to the liquid communication port (1171) and a stopper plate (1222) located in the second chamber (1112), both the stopper plate (1222) and the blocking portion (121) having a size larger than the liquid communication port (1171) to define a movement range of the water passing column (1221) by both.
  11. 11. The liquid inlet mechanism according to claim 10, wherein the limiting plate (1222) is arranged to have an outer edge with a shape and a size consistent with a cross section of the second cavity (1112), the limiting plate (1222) is provided with a water through hole (12221), and the liquid in the second cavity (1112) can flow through the water through hole (12221).
  12. 12. The liquid feeding mechanism according to claim 10, wherein an inflow gap is provided between a side surface of the water passing column (1221) and the liquid communication port (1171), so that the liquid in the first chamber (1111) enters the second chamber (1112) through the inflow gap.
  13. 13. The liquid feeding mechanism as claimed in claim 12, wherein a water passing groove (12211) is formed on a side surface of the water passing column (1221), and the liquid flowing into the second chamber (1112) through the inflow gap flows through the water passing groove (12211).
  14. 14. The liquid feeding mechanism according to claim 10, wherein one end of the reset member (13) is provided as a fixed end, the other end is provided as a movable end, the movable end is connected to the transmission portion (122), the fixed end is connected to the housing (11) in the second chamber (1112), the fixed end is provided at a side of the second chamber (1112) close to the blocking portion (121), the movable end is provided at a side of the second chamber (1112) away from the blocking portion (121), and the movable end is moved in a direction of the blocking portion (121) away from the liquid communication port (1171) by the movable end toward the fixed end by the compression of the reset member (13).
  15. 15. The liquid inlet mechanism according to claim 14, wherein the reset component (13) is sleeved outside the water through column (1221), and the movable end is connected to one side of the water through column (1221) close to the limiting plate (1222) or connected to the limiting plate (1222).
  16. 16. A humidifying device, characterized by comprising a reservoir (20) and a liquid inlet mechanism (10) according to any one of claims 1 to 15, said liquid inlet mechanism (10) being detachably connected to said reservoir (20).
  17. 17. A humidifying device, characterized by comprising a reservoir (20) and a liquid inlet mechanism (10) according to any one of claims 6 to 15, said liquid inlet mechanism (10) being detachably connected to said reservoir (20).
  18. 18. Humidifying device according to claim 17, wherein the liquid storage container (20) comprises a main body portion (21) and a mounting portion (22), the main body portion (21) having a main cavity (211), the mounting portion (22) having a mounting cavity (221) communicating with the main cavity (211), the liquid feeding mechanism (10) being sealingly mounted to the mounting portion (22) such that the gas-liquid conveying cavity (111) communicates with the mounting cavity (221).
  19. 19. Humidifying device according to claim 18, wherein a driving member (223) is arranged in the mounting chamber (221), wherein the driving member (223) enables the mounting chamber (221) to communicate with the liquid inlet (112) when the liquid inlet mechanism (10) is mounted on the mounting portion (22).
  20. 20. Humidifying device according to claim 19, wherein the mounting portion (22) further comprises a water storage structure arranged in the mounting cavity (221), wherein the liquid outlet (113) and the ventilation port (114) are both located in the water storage structure when the liquid inlet mechanism (10) is mounted on the mounting portion (22), and the water storage structure is configured such that the liquid outlet (113) and the ventilation port (114) are both located below or flush with the liquid level of the liquid in the water storage structure when the liquid storage container (20) is rotated 90 ° from the working position to at least one direction.

Description

Aeration treatment equipment, liquid inlet mechanism and humidifying device thereof Technical Field The utility model relates to ventilation equipment, in particular to ventilation treatment equipment, a liquid inlet mechanism and a humidifying device thereof. Background The ventilation treatment equipment is used as an auxiliary respiratory treatment device with an artificial ventilation function, respiratory gas is supplied to a user through a user interface via a respiratory pipeline, and the respiratory function of the user is effectively improved by increasing the pulmonary ventilation of the user, so that the auxiliary respiratory treatment device can play an important role in assisting the respiration of the user. Conventional ventilation therapy devices are typically equipped with a humidification container such that the flow of air through the humidification container is heated, humidified and then delivered to the user for the user to obtain a good respiratory sensation. The humidifying container is a main part in the whole ventilation treatment equipment design, is generally connected between a host machine and a breathing pipeline of the ventilation treatment equipment, stores a certain amount of moisture in the humidifying container, heats water in the humidifying container, further realizes humidifying gas passing through the humidifying container, and the humidified gas reaches a breathing mask or a nasal obstruction through the breathing pipeline and then enters a user. The existing humidifying containers in the market generally control the water adding amount by adding a water level mark and combining manual operation, and the manual control is easy to deviate, for example, the problems of insufficient humidifying capacity due to insufficient heating power caused by excessive liquid adding or dry burning of the container caused by insufficient liquid adding are easy to occur. Disclosure of utility model The utility model aims to solve the problems of insufficient heating power when liquid is excessive or dry heating of the container when the liquid is too little and the like caused by the deviation of the water level in a humidifying container easily caused by manual control in the prior art, and provides ventilation treatment equipment, a liquid inlet mechanism and a humidifying device thereof. In order to achieve the above object, a first aspect of the present utility model provides a liquid inlet mechanism of a liquid storage container, the liquid inlet mechanism includes a housing having a gas-liquid conveying cavity, a liquid inlet, a liquid outlet and a ventilation port respectively connected to the gas-liquid conveying cavity are formed on the housing, so as to allow liquid introduced from the liquid inlet to be filled into the liquid storage container through the liquid outlet, and the filling is stopped when the ventilation port is blocked by the liquid in the liquid storage container. Preferably, the gas-liquid conveying cavity comprises a liquid inlet cavity and a ventilation cavity, the liquid inlet cavity comprises a liquid inlet port and a liquid outlet port, the ventilation cavity comprises a ventilation port and a gas communication port, one side, close to liquid in the liquid storage container, of the liquid inlet mechanism is arranged to be the ventilation port when the liquid inlet mechanism is installed to the liquid storage container, and the gas communication port is communicated with the liquid inlet port. Preferably, the housing comprises a main housing forming the liquid inlet chamber and a side housing arranged at one side of the main housing forming the ventilation chamber. Preferably, the top end of the main shell is provided with a liquid inlet, the side wall of the bottom end of the main shell is recessed towards the top end to form at least one notch, and the notch is arranged as a liquid outlet. Preferably, the liquid inlet mechanism further comprises an on-off control part movably arranged in the gas-liquid conveying cavity, the liquid inlet cavity comprises a first cavity communicated with the liquid inlet and a second cavity communicated with the liquid outlet, and the on-off control part can be driven to isolate and communicate the first cavity with the second cavity and the ventilation cavity. Preferably, the liquid inlet mechanism further comprises an elastic reset part, wherein the reset part is respectively connected with the shell and the on-off control part, and the reset part is configured to be driven by the compression force to move the on-off control part, so that the first cavity is communicated with the second cavity and the ventilation cavity, and the on-off control part is driven to reset to the isolation position of the first cavity, the second cavity and the ventilation cavity through the self elastic action. Preferably, the first cavity is respectively provided with a liquid communication port and a gas communication port, the second cavi