CN213642713U

CN213642713U - Automatic water injection breathing machine humidifying tank

Info

Publication number: CN213642713U
Application number: CN202021103236.5U
Authority: CN
Inventors: 称宏森; 孙超男; 陈晨松
Original assignee: Xiangshan First People's Hospital Medical And Health Group
Current assignee: Xiangshan First People's Hospital Medical And Health Group
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-07-09
Anticipated expiration: 2030-06-15

Abstract

The utility model relates to an automatic water injection breathing machine humidifying jar, including heat conduction metal base and the humidifying jar body of setting on heat conduction metal base, humidifying jar body upper end is equipped with air inlet, gas outlet and water filling port, its characterized in that: the humidifying tank is characterized in that a floating ball capable of floating on the liquid level in the tank is arranged in the humidifying tank body, a sealing element which is abutted against the lower end face of the water filling port to seal the water filling port when the liquid level in the tank rises to be higher than a set liquid level and is separated from the lower end face of the water filling port when the liquid level in the tank is lower than the set liquid level is arranged on the floating ball, and a guide piece which is matched with the floating ball to enable the sealing element to vertically move up and down is arranged at. The humidifying tank of the breathing machine can automatically inject water according to the liquid level in the tank, and has a good humidifying effect.

Description

Automatic water injection breathing machine humidifying tank

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to automatic water injection breathing machine humidifying jar.

Background

The air flue humidification is an important component of the critical patient breathing machine support treatment, the breathing machine humidification tank is added with sterilization water, and dry and cold gas sent out by the breathing machine is sent into the air flue after being humidified, so that the air flue moisture loss of the patient can be reduced, sputum can be diluted, and the air flue can be kept unobstructed. Humidification jar needs add certain sterilization water to jar in from time to time in the use, use the transfusion system to inject the sterilization water into the humidification jar among the prior art usually, this will have some problems, for example, if inject into too much sterilization water in the humidification jar and make its water level exceed the biggest water level line when will leading to the humidification effect not good, and easy overflow gets into the breathing machine pipeline, except that, because the nurse is comparatively busy usually, if not in time change infusion bag after the sterilization water is used up in the infusion bag, then can cause the not enough even dry combustion of sterilization water in the humidification jar, influence treatment.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide an automatic water injection breathing machine humidifying tank which can automatically inject water according to the liquid level in the humidifying tank.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an automatic water injection breathing machine humidifying jar, includes heat conduction metal base and sets up the humidifying jar body on heat conduction metal base, humidifying jar body upper end is equipped with air inlet, gas outlet and water filling port, its characterized in that: the humidifying tank is characterized in that a floating ball capable of floating on the liquid level in the tank is arranged in the humidifying tank body, a sealing element which is abutted against the lower end face of the water filling port to seal the water filling port when the liquid level in the tank rises to be higher than a set liquid level and is separated from the lower end face of the water filling port when the liquid level in the tank is lower than the set liquid level is arranged on the floating ball, and a guide piece which is matched with the floating ball to enable the sealing element to vertically move up and down is arranged at.

Further, the top wall inboard of humidifying jar body is provided with the opening pipe around the water filling port, the sealing member includes cylinder and lower cylinder, the diameter of going up the cylinder is less than the opening pipe diameter and is greater than the water filling port diameter, the diameter of cylinder is greater than the diameter of opening pipe down, when going up cylinder up end and water filling port lower terminal surface counterbalance, lower cylinder up end and opening pipe lower terminal surface counterbalance. Through the setting of opening pipe, can further increase the leakproofness to the water filling port position, still have the sterilization water to inject when preventing that the jar liquid level is too high.

Furthermore, the guide piece comprises a guide post arranged at the bottom of the humidification tank body, and a guide hole for the guide post to extend into the lower end of the floating ball to slide is formed in the lower end of the floating ball.

Furthermore, the guide piece also comprises a supporting platform arranged at the bottom of the humidifying tank body, and the guide column is arranged on the supporting platform. Therefore, the stability of the guide post can be improved, and the floating ball and the sealing element can stably move up and down.

Furthermore, an alarm for alarming when no water flows in the water filling port is arranged on the water filling port. Therefore, after the sterilization water flow in the infusion apparatus connected with the water filling port is finished, a nurse is convenient to remind of replacing the infusion bag in time.

Furthermore, the humidifying tank body comprises a lower shell and an upper shell, and the upper shell is detachably connected with the lower shell. Thus being convenient for the maintenance and the replacement of devices inside the humidification tank.

Further, the inner wall of casing is equipped with the first step that makes casing inner wall upper end diameter be greater than the lower extreme diameter down, be provided with first sealing washer on the first step, it is equipped with the second step that makes casing outer wall upper end diameter be greater than the lower extreme diameter to go up the casing outer wall, and goes up casing outer wall lower extreme diameter and be equivalent with casing upper end diameter down, be provided with the second sealing washer on the second step, casing inner wall upper end is provided with two at least guide ways that continue to extend to one side downwards after extending downwards down, guide way tip upside is equipped with the upper groove, it is equipped with the gliding reference column that can stretch into in the guide way to go up casing lower extreme outer wall, first sealing washer offsets with last casing lower extreme and the second sealing washer offsets with casing up end down when reference column and upper groove joint.

Compared with the prior art, the utility model has the advantages of it is following:

when the liquid level in the tank is lower than the set liquid level, the sealing element synchronously descends along with the liquid level to enable the sealing element to remove the sealing of the water filling port, and the sterilization water in a liquid conveying pipe connected with the water filling port is injected into the humidification tank, so that the automatic water injection in the humidification tank is realized;

through the arrangement of the open pipe, the sealing element is abutted against the lower end of the open pipe to realize further sealing, so that the sterilization water is prevented from being injected when the liquid level is too high;

through the arrangement of the guide columns, the sealing element can move up and down in the vertical direction, so that the sealing element can be well sealed, and the sterilization water is prevented from being injected when the liquid level is too high;

through setting up the alarm, connect and use rivers the end in the transfusion system of water filling port after sterilization, be convenient for remind the nurse in time to change infusion bag, prevent to dry and burn.

Drawings

Fig. 1 is a schematic structural diagram of a humidification canister of a ventilator according to the present application.

Fig. 2 is a schematic diagram of the internal structure of the humidifying tank body after the floating ball and the sealing member are exploded.

FIG. 3 is a schematic sectional view of a humidifying tank body according to the present application.

Fig. 4 is a schematic view of the upper and lower case coupling structure of the present application.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the terms of orientation and positional relationship indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of protection of the present invention.

Fig. 1 to 4 show that preferred embodiment structure sketch map of this application is, as shown in the figure, this kind of automatic water injection breathing machine humidifying jar, including heat conduction metal base 1 and the humidifying jar body 2 of setting on heat conduction metal base 1, 2 upper ends of humidifying jar body are equipped with air inlet 21, gas outlet 22 and water filling port 23, and the transfer line 3 (the part is shown in the figure) of transfusion system is connected to water filling port 23, be equipped with the floater 24 that can float in jar on the liquid level in humidifying jar body 2, be equipped with on the floater 24 when rising to setting for more than the liquid level with 23 terminal surface offsets under the water filling port 23 with sealed water filling port 23 and when jar liquid level is less than the sealing member of terminal surface phase separation under the water filling port 23, should set for the liquid level and obtain according to the experiment, humidifying jar effect best when jar liquid level is in near this liquid level, humidifying jar body 2's bottom is equipped with and cooperatees so that the sealing member can vertically reciprocate guide with.

Specifically, the inboard top wall that is provided with the opening pipe 25 around water filling port 23 of humidification jar body 2, the sealing member includes cylinder 261 and lower cylinder 262, the diameter of going up cylinder 261 is less than opening pipe 25 diameter and is greater than water filling port 23 diameter, the diameter of lower cylinder 262 is greater than the diameter of opening pipe 25, when going up cylinder 261 up end and water filling port 23 lower terminal surface offset lower cylinder 262 up end offsets with opening pipe 25 lower terminal surface. The arrangement of the opening pipe 25 can further increase the sealing performance to the position of the water filling port 23 and prevent the sterilization water from being filled when the liquid level in the tank is too high. It should be noted that, the lower end face of the water filling port 23 in the present application is flush with the top wall of the humidification tank body 2, and the upper end face of the upper cylinder 261 is abutted against the lower end face of the water filling port 23, that is, is equivalent to being abutted against the top wall of the humidification tank body 2, and it should be further noted that the floating ball 24 and the sealing member may be designed integrally or may be designed separately.

In this embodiment, the guiding element includes a guiding column 271 disposed at the bottom of the humidification canister body 2, and the lower end of the floating ball 24 is provided with a guiding hole 241 for the guiding column 271 to slide in. Of course, it is conceivable that the guide may be provided in other forms as long as vertical up and down movement of the sealing member is achieved.

In order to increase the stability of the guide post 271, the guide further includes a support table 272 disposed at the bottom of the humidification tank body 2, the guide post 271 is disposed on the support table 272, and in this embodiment, the support table 272 and the guide post 271 are integrally formed.

In this embodiment, be provided with on the water filling port 23 with alarm 4 that reports to the police when no water flow passes through in water filling port 23, this application does not carry out special improvement to alarm 4 structure, this alarm 4 adopt among the prior art infusion alarm can, do not describe the alarm structure here in detail. Therefore, after the sterilization water flow in the infusion apparatus connected with the water filling port 23 is finished, a nurse is convenient to remind of replacing the infusion bag in time.

In order to facilitate the maintenance and replacement of devices inside the humidification tank, the humidification tank body 2 comprises a lower shell 201 and an upper shell 202, and the upper shell 202 is detachably connected with the lower shell 201. Specifically, the inner wall of the lower casing 201 is provided with a first step which makes the diameter of the upper end of the inner wall of the lower casing 201 larger than that of the lower end, the first step is provided with a first sealing ring 203, the outer wall of the upper shell 202 is provided with a second step which enables the diameter of the upper end of the outer wall of the upper shell 202 to be larger than that of the lower end, the diameter of the lower end of the outer wall of the upper shell 202 is equivalent to that of the upper end of the lower shell 201, a second sealing ring 204 is arranged on the second step, the upper end of the inner wall of the lower shell 201 is provided with at least two guide grooves 205 which extend downwards and then continue to extend obliquely downwards, an upper groove 206 is arranged on the upper side of the end part of the guide groove 205, a positioning column 207 which can be extended into the guide groove 205 to slide is arranged on the outer wall of the lower end of the upper shell 202, when the positioning column 207 is clamped with the upper groove 206, the first sealing ring 203 abuts against the lower end of the upper shell 202, and the second sealing ring 204 abuts against the upper end face of the lower shell 201. During assembly, the positioning posts 207 of the upper housing 202 are inserted into the guide slots 205, and then the upper housing 202 is rotated relative to the lower housing 201, so that when the positioning posts 207 are engaged in the upper grooves 206, a "click" sound is heard, which indicates that the upper housing 202 and the lower housing 201 are assembled.

The working principle of the humidifying tank of the breathing machine is as follows:

the humidifying tank is placed on a heating device corresponding to a breathing machine, the water filling port 23 is connected with an infusion device to inject sterilizing water into the humidifying tank body 2, the heating device of the breathing machine heats the heat-conducting metal base 1 to heat and evaporate the sterilizing water in the humidifying tank body 2, so that the humidity of gas discharged from the air outlet 22 is increased to achieve the humidifying purpose, when the liquid level in the tank rises, the upper cylinder 261 and the lower cylinder 262 synchronously rise along with the floating ball 24 until the upper cylinder 261 and the lower cylinder 262 respectively abut against the lower end surfaces of the water filling port 23 and the open pipe 25, at the moment, the water flow in the water filling port 23 is blocked and water cannot be injected into the tank, when the humidifying tank is heated for a period of time, the liquid level in the tank falls, the upper cylinder 261 and the lower cylinder 262 are respectively separated from the lower end surfaces of the water filling port 23 and the open pipe 25, and the; if the water in the infusion bag is finished, no water flows through the water filling port 23, and the alarm 4 sends out an alarm signal to prompt a nurse to replace the infusion bag in time.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automatic water injection breathing machine humidifying jar, includes heat conduction metal base and sets up the humidifying jar body on heat conduction metal base, humidifying jar body upper end is equipped with air inlet, gas outlet and water filling port, its characterized in that: the humidifying tank is characterized in that a floating ball capable of floating on the liquid level in the tank is arranged in the humidifying tank body, a sealing element which is abutted against the lower end face of the water filling port to seal the water filling port when the liquid level in the tank rises to be higher than a set liquid level and is separated from the lower end face of the water filling port when the liquid level in the tank is lower than the set liquid level is arranged on the floating ball, and a guide piece which is matched with the floating ball to enable the sealing element to vertically move up and down is arranged at.

2. The ventilator humidification canister of claim 1, wherein: the top wall of the humidifying tank body is provided with an opening pipe on the inner side of the top wall around the water filling port, the sealing element comprises an upper cylinder and a lower cylinder, the diameter of the upper cylinder is smaller than the diameter of the opening pipe and larger than the diameter of the water filling port, the diameter of the lower cylinder is larger than the diameter of the opening pipe, and the upper end face of the upper cylinder is abutted against the lower end face of the opening pipe when the upper end face of the upper cylinder is abutted against the lower end face of the water filling port.

3. The ventilator humidification canister of claim 1, wherein: the guide piece comprises a guide post arranged at the bottom of the humidification tank body, and a guide hole for the guide post to extend into the lower end of the floating ball to slide is formed in the lower end of the floating ball.

4. The ventilator humidification canister of claim 3, wherein: the guide piece further comprises a supporting table arranged at the bottom of the humidifying tank body, and the guide column is arranged on the supporting table.

5. The ventilator humidification canister of claim 1, wherein: and an alarm for alarming when no water flows in the water filling port is arranged on the water filling port.

6. The ventilator humidification canister of claim 1, wherein: the humidifying tank body comprises a lower shell and an upper shell, and the upper shell is detachably connected with the lower shell.

7. The ventilator humidification canister of claim 6, wherein: the inner wall of casing is equipped with the first step that makes internal wall upper end diameter of inferior valve be greater than the lower extreme diameter down, be provided with first sealing washer on the first step, it is equipped with the second step that makes external wall upper end diameter of casing be greater than the lower extreme diameter to go up external wall of casing, and goes up external wall lower extreme diameter of casing and match with the external end diameter of inferior valve, be provided with the second sealing washer on the second step, the internal wall upper end of casing is provided with two at least guide ways that continue to extend to one side down after extending down, guide way tip upside is equipped with the upper groove, it is equipped with the gliding reference column in can stretching into the guide way to go up the external wall of casing lower extreme, first sealing washer offsets with the upper casing lower extreme and the second sealing washer offsets with casing up end down when reference column and upper groove joint.