CN118615544B

CN118615544B - Water collection cup for breathing pipeline

Info

Publication number: CN118615544B
Application number: CN202410708652.4A
Authority: CN
Inventors: 戚迪波; 孙一鸣; 黄欣煜
Original assignee: Ningbo Huakun Medical Equipment Co ltd
Current assignee: Ningbo Huakun Medical Equipment Co ltd
Priority date: 2024-06-03
Filing date: 2024-06-03
Publication date: 2025-06-03
Anticipated expiration: 2044-06-03
Also published as: CN118615544A

Abstract

The present application relates to a water collecting cup for a breathing circuit, and belongs to the technical field of medical equipment. The water collecting cup includes a water collecting cup body, a three-way pipe for connecting with the breathing circuit, and a sealing diaphragm arranged at the connection between the three-way pipe and the water collecting cup body. The water collecting cup body is detachably arranged on the three-way pipe, and the side wall of the three-way pipe is provided with a rotating assembly for driving the sealing diaphragm to rotate; the sealing diaphragm is rotatably installed on the three-way pipe, so that the sealing diaphragm has two states: sealing and connecting. When the sealing diaphragm is in the sealing state, the sealing diaphragm seals the water outlet of the water collecting cup body; when the sealing diaphragm is in the connecting state, the end face axis of the sealing diaphragm is parallel to the water outlet axis of the three-way pipe. The water collecting cup of the present application can isolate the breathing circuit from the outside air through the sealing diaphragm when the water collecting cup body is removed.

Description

Water collection cup for breathing pipeline

Technical Field

The application relates to the technical field of medical equipment, in particular to a water collecting cup for a breathing pipeline.

Background

In the rescue of patients in intensive care units, mechanical ventilation is an indispensable important treatment mode, however, in the mechanical ventilation process, a great amount of condensed water is often generated in the respiratory circuit due to the warming and humidification of the inhaled gas. The condensed water can influence the normal operation of the breathing machine, and the current means is to arrange a water collecting cup in the middle of an air inlet pipe and an air outlet pipe of a breathing pipeline to collect the condensed water in the pipeline.

The existing water collecting cup generally comprises a cup body and a cup cover, a three-way pipeline communicated with a breathing pipeline is arranged at the top of the cup cover, and when the water collecting cup is used, the water collecting cup is placed at a low position, so that condensed water in the breathing pipeline flows into the cup body through the action of gravity, and the effect of collecting the condensed water is achieved. However, when the water collection cup is disassembled, the pipe orifice of the three-way pipeline at the bottom is communicated with the outside, so that the outside air enters the breathing pipeline, and a certain influence is caused on a patient.

Disclosure of Invention

In order to ensure that a user can seal and isolate the inside and the outside of the three-way pipe when disassembling the water collecting cup to clean condensed water, the application provides the water collecting cup for the breathing pipeline.

The application provides a water collecting cup for a breathing pipeline, which adopts the following technical scheme:

A water collecting cup for a respiratory pipeline comprises a water collecting cup body, a three-way pipe used for being connected with the respiratory pipeline and a sealing diaphragm arranged at the joint of the three-way pipe and the water collecting cup body, wherein the water collecting cup body is detachably arranged in the three-way pipe, a rotating assembly used for driving the sealing diaphragm to rotate is arranged on the side wall of the three-way pipe, the sealing diaphragm is rotatably arranged on the three-way pipe, so that the sealing diaphragm has two states of sealing and communicating, when the sealing diaphragm is in a sealing state, the sealing diaphragm seals a water outlet of the water collecting cup body, and when the sealing diaphragm is in a communicating state, the axis of the end face of the sealing diaphragm is parallel to the axis of the water outlet of the three-way pipe.

By adopting the technical scheme, after the water collecting cup body and the three-way pipe are assembled, the sealing diaphragm is switched to the communicating state through the rotating assembly, condensed water in the breathing circuit flows into the water collecting cup body along the three-way pipe, when a certain amount of condensed water in the water collecting cup body is accumulated to be treated, a user firstly switches the sealing diaphragm to the sealing state through the rotating assembly, the sealing diaphragm seals the water outlet of the three-way pipe, after the water collecting cup body is disassembled, the breathing pipeline and the outside are in the sealing state, the probability that the outside air enters the breathing pipeline is reduced, and the water collecting cup is simple in structure and easy to operate.

Optionally, the relative both sides of sealing diaphragm set up first axis of rotation and second axis of rotation along the axis symmetry, the three-way pipe inner wall have with first axis of rotation, second axis of rotation normal running fit's rotation hole, rotate the subassembly including pass the three-way pipe lateral wall and connect the actuating lever of first axis of rotation, connect the fixture block of actuating lever tip and set up in the water collecting cup outside and confession the draw-in groove that the fixture block detained, works as the fixture block card is gone into in the draw-in groove, sealing diaphragm switches to the intercommunication state.

Through adopting above-mentioned technical scheme, the rotation mode of sealing diaphragm and rotary mechanism's structure is constituteed, the user rotates the actuating lever, the actuating lever drives first rotation axis synchronous rotation, and then drive whole sealing diaphragm and rotate for sealing diaphragm's whole is vertical form or level form, easy operation, and when not dismouting through fixture block and draw-in groove, sealing diaphragm can be in the intercommunication state all the time, has reduced sealing diaphragm and has appeared rotating and cause the probability that the comdenstion water can't flow into the water collection cup.

Optionally, the inner wall of the three-way pipe is provided with a guide plate corresponding to the sealing diaphragm, and when the sealing diaphragm is in a communicating state, the sealing diaphragm is positioned in the projection of the guide plate.

Through adopting above-mentioned technical scheme, sealing diaphragm is in the intercommunication state, and sealing diaphragm is vertical form and wholly is in the projection of guide plate, consequently the setting of guide plate can play the barrier effect to sealing diaphragm, reduces the probability that the comdenstion water contacted sealing diaphragm when flowing into the water collection cup, guarantees sealing diaphragm's dry state.

Optionally, the driving rod is further wound with a driving torsion spring, and the driving torsion spring drives the sealing membrane to be in a sealing state all the time.

Through adopting above-mentioned technical scheme, the setting of drive torsional spring can play spacing effect to the rotation state of actuating lever for the actuating lever has the trend that is in sealing state all the time, and after the user was dismantled and assembled the three-way pipe with the cup that catchments, fixture block and draw-in groove break away from, and drive torsional spring drive sealing diaphragm automatic switch to sealing state does not need manual rotation actuating lever, improves the convenience of operation, shortens the time of changing the cup that catchments.

Optionally, one side of the three-way pipe far away from the first rotating shaft slides along the axial direction and is provided with a sliding arc plate, the three-way pipe is provided with an axial sliding groove for the sliding arc plate to be arranged, the axial sliding groove is communicated with the rotating hole, the middle part of the top surface of the sliding arc plate is provided with an arc groove matched with the second rotating shaft, the second rotating shaft is of a telescopic rod structure, the end part of the second rotating shaft is hinged to the sliding arc plate, the first rotating shaft comprises a first rod connected with the sealing membrane and a second rod connected with the driving rod, and the first rod is hinged to the second rod.

Through adopting above-mentioned technical scheme, the setting of arc board slides, can play limiting displacement to the second axis of rotation, after the dismouting of water collecting cup, sealing diaphragm switches to sealing state, and the comdenstion water of breathing pipeline flows into sealing diaphragm top and gathers, after the comdenstion water accumulated to a certain amount for sealing diaphragm second axis of rotation's one end downward sloping, after the slope to a certain angle, sealing diaphragm's outside and three-way pipe inner wall have the clearance, make the comdenstion water at sealing diaphragm top flow in this clearance, get rid of the comdenstion water on the sealing diaphragm, reduced the probability that the comdenstion water got into in the patient mouth.

Optionally, the both sides of arc board that slides are provided with spacing portion, spacing portion is towards one side of water collecting cup is provided with first elastic component, when the comdenstion water weight of sealing diaphragm top surface increases, sealing diaphragm uses the articulated center of first pole is the axle center upset downwards.

Through adopting above-mentioned technical scheme, the setting of first elastic component for when sealing diaphragm slope a period of time, the comdenstion water weight at its top is lighter, makes sealing diaphragm reset to horizontally sealing state again under the effect of first elastic component, seals the outlet pipe of three-way pipe again.

Optionally, one end of the axial chute penetrates through the three-way pipe, and a pressing part used for being inserted into the axial chute and pressing the sliding arc plate is arranged on the inner wall of the water collecting cup.

Through adopting above-mentioned technical scheme, the setting of the last clamping part of cup that catchments can play spacing effect of compressing tightly to the arc board that slides, and after cup and the three-way pipe equipment catchments, the clamping part compresses tightly the arc board that slides for the arc board that slides is in the state of compressing tightly all the time, has avoided sealing diaphragm to appear the slope pivoted condition under the state of installing the cup that catchments.

Optionally, the top surface both sides of spacing portion all are provided with first magnetic sheet, be provided with in the three-way pipe with first magnetic sheet complex second magnetic sheet, sealing diaphragm is in when sealing state, sealing diaphragm is keeping away from the one side terminal surface of water collection cup has the indent cambered surface that is used for storing the comdenstion water.

Through adopting above-mentioned technical scheme, first magnetic sheet and second magnetic sheet set up, can be to the joint strength between improvement slip arc board and the three-way pipe for the sealed state of extension sealing diaphragm just can appear the condition of slope when the weight of comdenstion water surpasses the suction of first magnetic sheet and second magnetic sheet, and after comdenstion water slope circulation, the effect of rethread first elastic component makes sealing diaphragm reset, and first magnetic sheet and second magnetic sheet inhale again.

Optionally, an elastic sealing ring abutting against the inner wall of the tee pipe is circumferentially arranged on the outer side of the sealing diaphragm.

Through adopting above-mentioned technical scheme, the setting of elastic sealing ring for improve the sealing diaphragm when sealing state and the leakproofness of three-way pipe inner wall, also make the sealing diaphragm when the slope, the comdenstion water only flows from the low end of sealing diaphragm.

Optionally, the three-way pipe outer wall still is provided with alarm device, alarm device with the draw-in groove corresponds, be provided with on the water collection cup and be used for starting alarm device's butt piece, when the water collection cup with the three-way pipe is assembled, butt piece butt alarm device, alarm device is used for reminding the user to switch the sealing diaphragm to the intercommunication state.

Through adopting above-mentioned technical scheme, alarm device's setting can play the warning effect to user's operation, reduces the operator and does not switch the condition that the sealing diaphragm switched to the intercommunication state to appear after the installation catchment cup.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The sealing diaphragm has two states of communication and sealing, when a certain amount of condensed water of the water collecting cup body is accumulated to be treated, the water collecting cup body is dismantled, the clamping block is separated from the clamping groove, so that the sealing diaphragm is automatically switched to the sealing state, and the probability of outside air entering a breathing pipeline is reduced;

2. according to the application, through the sliding arc plate, the hinge structure of the first rotating shaft and the telescopic rod structure of the second rotating shaft, the sealing diaphragm can be turned up and down according to the weight of condensed water in a sealing state, and the condensed water at the top of the sealing diaphragm can be automatically cleaned;

3. according to the application, through the arrangement of the alarm device, a reminding effect can be achieved after the water collecting cup body is installed by a user, so that the sealing diaphragm is switched to a communicating state by rotating the driving rod after the water collecting cup body is installed.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of a sealing membrane in a connected state according to an embodiment of the present application.

FIG. 3 is a schematic cross-sectional view of a sealing membrane in a sealed state according to an embodiment of the application.

Fig. 4 is an enlarged partial schematic view at a in fig. 3.

Fig. 5 is a schematic view of the structure of the rotating assembly and the alarm device according to the embodiment of the present application.

FIG. 6 is an exploded view of a sliding arc plate and outlet pipe according to an embodiment of the present application.

Fig. 7 is a partially enlarged schematic view at B in fig. 3.

The reference numerals indicate that 1, a water collecting cup body, 11, a clamping groove, 12, a supporting sheet, 13, a pressing part, 2, a three-way pipe, 21, a water outlet pipe, 211, a rotating hole, 212, a sliding arc plate, 2121, an arc groove, 2122, a limiting part, 213, an axial sliding groove, 214, a first elastic piece, 215, a first magnetic piece, 216, a second magnetic piece, 22, a water inlet pipe, 23, a guide plate, 231, a guide surface, 232, a blocking surface, 24, an alarm device, 3, a sealing membrane, 31, an elastic abutting ring, 32, a first rotating shaft, 321, a first rod, 322, a second rod, 33, a second rotating shaft, 331, an outer rod, 3311, an annular anti-falling part, 332, an inner rod, 34, an inner concave arc surface, 4, a rotating assembly, 41, a driving rod, 42, a clamping block and 43, and a driving torsion spring.

Detailed Description

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and because the disclosed embodiments of the present invention may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly.

The application is described in further detail below with reference to fig. 1-7.

The embodiment of the application discloses a water collecting cup for a breathing pipeline.

Referring to fig. 1 and 2, a water collecting cup for a breathing circuit includes a water collecting cup body 1, a tee 2, and a sealing diaphragm 3. The water collecting cup body 1 is in plug-in fit with the three-way pipe 2, a pipe orifice matched with the water collecting cup body 1 in the three-way pipe 2 is defined as a water outlet pipe 21, and the other two pipe orifices are defined as water inlet pipes 22. After the three-way pipe 2 is arranged on the respiratory pipeline, the water outlet pipe 21 is arranged along the height direction, the two water inlet pipes 22 are obliquely arranged on two opposite sides of the top of the water outlet pipe 21, condensed water in the respiratory pipeline flows to the water outlet pipe 21 along the water inlet pipe 22 under the action of gravity, and finally flows into the water collecting cup body 1.

With reference to fig. 3 and 4, the outer diameter of the sealing membrane 3 is adapted to the inner diameter of the water outlet pipe 21, and an elastic abutting ring 31 abutting against the inner wall of the water outlet pipe 21 is further arranged on the outer side of the sealing membrane, so that the sealing effect of the sealing membrane 3 and the water outlet pipe 21 is improved. The sealing diaphragm 3 is rotatably installed in the water outlet pipe 21, and the sealing diaphragm 3 is symmetrically provided with a first rotating shaft 32 and a second rotating shaft 33 along the central axis. The inner wall of the water outlet pipe 21 is provided with a rotation hole 211 for the first rotation shaft 32 to rotate and the second rotation shaft 33 to be arranged. Wherein, be provided with guide plate 23 in tee pipe 2, the horizontal length of guide plate 23 and the diameter looks adaptation of outlet pipe 21. The two sides of the deflector 23 are provided with a deflector surface 231, and the extending direction of the deflector surface 231 is parallel to the air flowing direction in the breathing pipeline. The bottom of the baffle 23 has a blocking surface 232.

The sealing diaphragm 3 is rotatably disposed at the water outlet pipe 21 such that the sealing diaphragm 3 has both a sealing and a communicating state. When the sealing diaphragm 3 is in a sealing state, the sealing diaphragm 3 is horizontally arranged as a whole, the sealing diaphragm 3 seals the water outlet pipe 21 to prevent the output of condensed water and the entering of external air, when the sealing diaphragm 3 is in a communicating state, the sealing diaphragm 3 is vertically arranged as a whole, the central axis of the sealing diaphragm is coaxially arranged with the water outlet pipe 21, the condensed water can normally flow to the water collecting cup body 1 through the three-way pipe 2, the sealing diaphragm 3 is positioned in the projection of the blocking surface 232 at the moment, the moist air of the breathing pipeline is abutted to the guide surface 231 to form condensed water drops, and the condensed water drops are conveyed along the guide surface 231 to reduce the probability that the condensed water contacts the sealing diaphragm 3.

The tee 2 is provided with a rotating assembly 4 for driving the sealing diaphragm 3 to rotate. The rotation assembly 4 includes a driving rod 41 penetrating through a sidewall of the tee 2 for connection with the first rotation shaft 32 and a latch 42 connected to an end of the driving rod 41. The driving rod 41 and the clamping block 42 are in hinged fit, and the clamping block 42 can be turned up and down. The outer wall of the water collecting cup body 1 is provided with a clamping groove 11 which is matched and buckled with the clamping block 42. When the clamping block 42 is buckled into the clamping groove 11, the sealing membrane 3 is in a communicating state. The driving rod 41 is sleeved with a driving torsion spring 43, and an abutting groove for abutting two ends of the driving torsion spring 43 is formed in the three-way pipe 2. The driving torsion spring 43 can drive the rotating rod to be in a sealing state all the time, namely, after the water collecting cup body 1 is detached from the three-way pipe 2, the sealing membrane 3 is automatically switched to the sealing state under the action of the driving torsion spring 43.

Referring to fig. 3 and 5, in order to remind a user to rotate the driving rod 41 after the water collecting cup body 1 is installed, an alarm device 24 is further arranged on the outer side wall of the three-way pipe 2, and the alarm device 24 corresponds to the clamping groove 11 and is used for detecting whether the clamping groove 11 is buckled with the clamping block 42 in a matching way. The water collecting cup body 1 is provided with the abutting piece 12, the abutting piece 12 corresponds to the alarm device 24, and the abutting piece 12 is used for starting the alarm device 24, so that the alarm device 24 only works normally after the water collecting cup body 1 is assembled.

Referring to fig. 3, 6 and 7, the inner wall of the water outlet pipe 21 is provided with a sliding arc plate 212 sliding in the axial direction, the sliding arc plate 212 being located at a side away from the first rotating shaft 32. The water outlet pipe 21 is internally provided with an axial chute 213 for sliding and arranging the sliding arc plate 212, the top of the axial chute 213 is communicated with the rotating hole 211, and the bottom of the axial chute 213 penetrates through the bottom end face of the water outlet pipe 21. The sliding arc plate 212 has an arc groove 2121 in the middle of the top surface corresponding to the second rotation shaft 33. Both ends of the sliding arc plate 212 along the circumferential direction of the water outlet pipe 21 are provided with limiting parts 2122, and a first elastic piece 214 is arranged on one side of the limiting parts 2122 facing the water collecting cup body 1. In this embodiment, the first elastic member 214 is a compression spring. The inner wall of the water collecting cup body 1 is provided with a pressing part 13 which is used for being inserted into the axial sliding groove 213, the pressing part 13 is matched with the axial sliding groove 213 in size, and when the water collecting cup body 1 and the water outlet pipe 21 are assembled, the sliding arc plate 212 is pressed and locked by the pressing part 13, so that the axial sliding of the sliding arc plate 212 is limited.

The first rotation shaft 32 includes a first lever 321 fixedly connected to the sealing diaphragm 3 and a second lever 322 fixedly connected to the driving lever 41. The first rod 321 and the second rod 322 are in hinged fit, and the hinge point of the first rod and the second rod is positioned in the sealing membrane 3. The above arrangement enables the sealing diaphragm 3 to rotate along the hinge point of the first lever 321 as the rotation center. The second rotating shaft 33 is of a telescopic rod structure, and comprises an outer rod 331 with one end connected with the sealing membrane 3 and an inner rod 332 installed in the outer rod 331 in a sliding manner, wherein the end part of the inner rod 332 is limited and slides and is arranged in the rotating hole 211, and the side wall of the outer rod 331 is provided with an annular anti-falling part 3311.

When the sealing membrane 3 is in a sealing state, condensed water is gradually accumulated on the top of the sealing membrane 3, after the condensed water is accumulated to a certain weight, the sealing membrane 3 is enabled to rotate downwards under the action of gravity, the sliding arc plate 212 is driven to slide downwards, the second rotating shaft 33 is integrally elongated, the sealing membrane 3 is enabled to be in an inclined state, the condensed water on the top of the sealing membrane 3 can flow to the lower part of the sealing membrane 3 and flow out of a gap between the sealing membrane 3 and the water outlet pipe 21, after the condensed water flows out by a certain amount, the sliding arc plate 212 is reset upwards under the action of the first elastic piece 214, and the sealing membrane 3 is restored to a horizontal sealing state again.

In order to extend the sealing state time of the sealing diaphragm 3, the top surface of the sealing diaphragm has a concave cambered surface 34 storing condensed water. The stopper 2122 is provided with a first magnetic sheet 215 on a side away from the first elastic member 214, and the first magnetic sheet 215 is fixed to the stopper 2122 by being fitted with an adhesive or the like. The water outlet pipe 21 is provided with a second magnetic sheet 216 which is in attraction fit with the first magnetic sheet 215 on the inner top wall of the axial chute 213. Through the cooperation of first magnetic sheet 215 and second magnetic sheet 216 for sealing diaphragm 3 top can collect more comdenstion water, and when the weight of comdenstion water is greater than the suction of two sets of magnetic sheets, sealing diaphragm 3 begins to incline, and the comdenstion water flows from sealing diaphragm 3 and outlet pipe 21's clearance.

The embodiment of the application provides a water collecting cup for a respiratory pipeline, which is implemented by the following principle that after a water collecting cup body 1 is arranged on a three-way pipe 2, a medical staff is reminded of rotating a driving rod 41 through an alarm device 24 to switch a sealing diaphragm 3 to a communicating state;

When the storage amount of the condensed water in the water collecting cup body 1 is more, the water collecting cup body 1 needs to be dismantled to clean the condensed water, after the water collecting cup body 1 is disassembled and assembled, the clamping block 42 is separated from the clamping buckle, the sealing diaphragm 3 is automatically switched to a sealing state under the action of the driving torsion spring 43, and meanwhile, the compression of the compression part on the sliding arc plate 212 is also relieved;

After a certain amount of condensed water is accumulated on the top of the sealing membrane 3 in a sealing state, the weight of the condensed water drives the sealing membrane 3 to rotate obliquely downwards, so that the condensed water flows out from the obliquely low position of the sealing membrane 3, and after a certain amount of condensed water flows out, the elastic force of the first elastic piece 214 and the suction force of the magnetic sheet rotate the sealing membrane 3 upwards again to a horizontal sealing state.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims

1. The utility model provides a water collection cup for breathing pipeline, its characterized in that includes water collection cup (1), is used for with breathing pipeline connected three-way pipe (2) and set up in three-way pipe (2) with sealing diaphragm (3) of water collection cup (1) junction, water collection cup (1) tear open install in three-way pipe (2), three-way pipe (2) lateral wall is provided with and is used for driving rotating subassembly (4) of sealing diaphragm (3), three-way pipe (2) inner wall have with sealing diaphragm (3) corresponding guide plate (23);

The sealing diaphragm (3) is rotatably arranged on the three-way pipe (2) so that the sealing diaphragm (3) has two states of sealing and communicating, when the sealing diaphragm (3) is in a sealing state, the sealing diaphragm (3) seals a water outlet of the water collecting cup body (1), when the sealing diaphragm (3) is in a communicating state, the axis of the end face of the sealing diaphragm (3) is parallel to the axis of the water outlet of the three-way pipe (2), and the sealing diaphragm (3) is positioned in the projection of the guide plate (23);

The sealing diaphragm (3) is characterized in that a first rotating shaft (32) and a second rotating shaft (33) are symmetrically arranged on two opposite sides of the sealing diaphragm (3) along an axis, a rotating hole (211) which is in rotating fit with the first rotating shaft (32) and the second rotating shaft (33) is formed in the inner wall of the three-way pipe (2), the rotating assembly (4) comprises a driving rod (41) which penetrates through the side wall of the three-way pipe (2) and is connected with the first rotating shaft (32) and a clamping block (42) which is connected with the end part of the driving rod (41), a clamping groove (11) for the clamping block (42) to be buckled in is formed in the outer side of the water collecting cup, and when the clamping block (42) is clamped into the clamping groove (11), the sealing diaphragm (3) is switched to a communication state;

A sliding arc plate (212) is arranged on one side, far away from the first rotating shaft (32), of the three-way pipe (2) in a sliding manner along the axial direction, the three-way pipe (2) is provided with an axial sliding groove (213) for the sliding arc plate (212) to be arranged, the axial sliding groove (213) is communicated with the rotating hole (211), an arc groove (2121) matched with the second rotating shaft (33) is arranged in the middle of the top surface of the sliding arc plate (212), the second rotating shaft (33) is of a telescopic rod structure and comprises an inner rod (332) and an outer rod (331) which are connected, the inner rod (332) is limited and arranged in the arc groove (2121), the first rotating shaft (32) comprises a first rod (321) connected with the sealing membrane (3) and a second rod (322) connected with the driving rod (41), and the first rod (321) and the second rod (322) are hinged;

limiting parts (2122) are arranged on two sides of the sliding arc plate (212), first elastic pieces (214) are arranged on one sides of the limiting parts (2122) facing the water collecting cup body (1), and when the weight of condensate water on the top surface of the sealing membrane (3) is increased, the sealing membrane (3) turns downwards by taking the hinge center of the first rod (321) as an axis.

2. A water collection cup for a respiratory line according to claim 1, characterized in that the driving rod (41) is further wound with a driving torsion spring (43), the driving torsion spring (43) driving the sealing membrane (3) with a tendency to be always in a sealed state.

3. A water collection cup for a respiratory line according to claim 1, characterized in that one end of the axial chute (213) penetrates the tee (2), and the inner wall of the water collection cup is provided with a pressing part for being inserted into the axial chute (213) and pressing the sliding arc plate (212).

4. The water collection cup for the respiratory pipeline according to claim 1, wherein the two sides of the top surface of the limiting part (2122) are respectively provided with a first magnetic sheet (215), the three-way pipe (2) is internally provided with a second magnetic sheet (216) matched with the first magnetic sheet (215), and when the sealing membrane (3) is in the sealing state, the end surface of one side, far away from the water collection cup, of the sealing membrane (3) is provided with an inward concave cambered surface for storing condensed water.

5. A water collection cup for a respiratory line according to claim 1, characterized in that the outside of the sealing membrane (3) is circumferentially arranged with an elastic sealing ring abutting against the inner wall of the tee (2).

6. A water collection cup for a respiratory pipeline according to claim 2, wherein an alarm device (24) is further arranged on the outer wall of the three-way pipe (2), the alarm device (24) corresponds to the clamping groove (11), an abutting piece (12) for starting the alarm device (24) is arranged on the water collection cup body (1), when the water collection cup body (1) and the three-way pipe (2) are assembled, the abutting piece (12) abuts the alarm device (24), and the alarm device (24) is used for reminding a user to switch the sealing membrane (3) to a communicating state.