CN221181276U - Breathing machine - Google Patents

Abstract

The utility model discloses a ventilator, wherein the bottom shell has an air inlet connected to the outside atmosphere; a partition is mounted on the bottom shell, the partition is provided with a fan accommodating chamber, and a fan body is installed in the fan accommodating chamber; an upper cover is mounted on the partition; the ventilator is configured as follows: a first chamber is formed between the partition and the bottom shell, the partition and the upper cover are divided by the fan body into a second chamber located in front of the air inlet of the fan body and a flow monitoring chamber located behind the air outlet of the fan body, and an air flow channel connecting the first chamber and the second chamber is formed on the partition. This solution makes the overall structure of the ventilator more compact and reliable, reduces the overall parts of the ventilator, and has an ingenious and reasonable structure, simplifies assembly, improves assembly efficiency and assembly quality, and thus improves the safety and reliability of patients when using the ventilator. As a medical product, the ventilator can make the use of the patient safer and more stable.

Description

Breathing machine

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a breathing machine.

Background

The breathing machine is taken as an effective means capable of replacing the autonomous ventilation function artificially, is widely used for respiratory failure caused by various reasons, anesthesia respiratory management during major surgery, respiratory support treatment and emergency resuscitation, occupies a very important position in the field of modern medicine, and is a vital medical device capable of preventing and treating respiratory failure, reducing complications and saving and prolonging the life of patients.

Currently, the main components of the breathing machine on the market are a gas circuit host machine and a humidifying tank. When the breathing machine works, the controller detects signals of airway obstruction of a patient, air in the airway of the breathing machine is appropriately pressurized, the air is blown into the humidifying tank through the fan in the host machine, and the air is humidified through the humidifying tank and then is sent into the airway of a user, so that airway obstruction of the patient is forcedly opened, continuous ventilation is provided for the patient, and enough oxygen can be obtained in the body of the patient.

In carrying out the present utility model, applicants have found that existing ventilators suffer from at least the following disadvantages:

1. The air circuit module part and the bottom shell part of the host are only in an assembly relationship, more redundant holes are formed in the bottom shell and are not utilized, so that the original air circuit module part occupies a larger space, the internal structure of the breathing machine is loose, the whole volume of the breathing machine is increased, and hidden dangers such as reduction of using effect exist in the using process.

2. The air inlet from the outside of the breathing machine is required to be additionally provided with an air passage, the air passage or the pipeline is required to be additionally provided for realizing the function of flow detection, the number of parts is large, the assembly difficulty is increased, and the assembly efficiency and the assembly quality are influenced.

3. The designed corresponding airflow channels depend on various optimization designs of the air circuit module part, so that the purposes of stable flow, low noise and the like are difficult to achieve.

In view of the above, it is an object of the present utility model to provide a ventilator for solving the problems of the prior art.

Disclosure of utility model

The utility model aims to provide a breathing machine.

To achieve the above object, the present utility model provides a ventilator having:

The bottom shell is provided with an air inlet communicated with the outside atmosphere;

The baffle is assembled on the bottom shell and is provided with a fan accommodating cavity, and a fan body is arranged in the fan accommodating cavity;

the upper cover plate is assembled on the partition plate;

The ventilator is configured to: a first cavity is formed between the partition plate and the bottom shell, the partition plate and the upper cover plate are separated into a second cavity positioned in front of the air inlet of the fan body and a flow monitoring cavity positioned behind the air outlet of the fan body by the fan body, and an air flow channel communicated with the first cavity and the second cavity is formed on the partition plate.

The content of the present utility model is explained as follows:

1. In the technical scheme of the utility model, the ventilator is designed to be in a structure with a bottom shell, a baffle plate and an upper cover plate, a first cavity is formed between the baffle plate and the bottom shell, the space between the baffle plate and the upper cover plate is divided into a second cavity positioned in front of an air inlet of the ventilator body and a flow monitoring cavity positioned behind an air outlet of the ventilator body by the ventilator body, an air flow channel communicated with the first cavity and the second cavity is formed on the baffle plate, so that an air channel module which is originally installed in the bottom shell of the ventilator is optimized and simplified, the bottom shell of the ventilator can also be a part of the air channel module, a first cavity is formed between the bottom shell and the baffle plate, air entering the air channel module of the ventilator enters the first cavity from an air inlet and then enters the second cavity formed by the baffle plate and the upper cover plate from the air flow channel, the fan body is blown to the flow monitoring chamber and then enters the humidifying tank, through the flow passage design, the first chamber formed between the bottom shell and the partition plate is used as an air inlet flow passage of an air inlet flow path, the air flow can be stabilized, the air flow noise can be reduced under the condition that corresponding pipelines are not additionally arranged, the redundant gap part in the original bottom shell can be fully utilized, meanwhile, the second chamber and the flow monitoring chamber are formed between the partition plate and the upper cover plate, the realization of the air flow monitoring function can be realized by means of the arrangement, pipelines are not required to be additionally arranged, the whole structure of the breathing machine is more compact and reliable, the parts of the whole breathing machine are reduced, the structure is ingenious and reasonable, the assembly is simplified, the assembly efficiency and the assembly quality are improved, and the safety and the reliability of patients when the breathing machine is used are also improved, as medical supplies, the breathing machine can ensure safer and more stable use of patients.

2. In the above technical scheme, the soft rubber sealing piece is arranged on the partition plate on the local surface and the outer edge of the partition plate through the integral molding of the mold, and is configured to act on at least the joint between the partition plate and the bottom shell and the joint between the partition plate and the upper cover plate, and the soft rubber sealing piece formed by the partition plate seals the first cavity, the second cavity and the flow monitoring cavity among the matched components, so that the number of additional parts can be effectively reduced, and the assembly efficiency and quality can be improved.

3. In the above technical scheme, the flexible glue sealing element extends to a plurality of ribs which are arranged in the fan accommodating cavity of the partition board in a surrounding manner, the plurality of ribs form an elastic support for installing the fan body so as to elastically limit the fan body, the elastic support extends from the flexible glue sealing element, firstly, parts do not need to be additionally added, secondly, the flexible glue sealing element can elastically limit the fan body by utilizing the elasticity and friction force of the flexible glue parts, so that the fan body and the partition board can be well in soft connection and buffer, the design is ingenious, the vibration of the fan body can be effectively reduced, meanwhile, the sufficient friction force and limit can also ensure the firm installation of the fan body, and vibration and noise reduction can be ensured; for the flow monitoring cavity, the soft rubber sealing element is also connected and matched with the air outlet joint of the fan body, the partition plate and the upper cover plate together to form the flow monitoring cavity, and the air outlet joint of the fan body is also matched with the soft rubber sealing element in an action manner, so that the flow monitoring cavity has the effects of vibration reduction and noise reduction.

4. In the above technical solution, a first side plate for blocking the first chamber is provided at a lower side of the partition plate, a second side plate is provided on the bottom shell corresponding to the first side plate, the soft rubber sealing member extends out of a sealing strip and is arranged outside the first side plate, and after the partition plate is assembled in the bottom shell, the first side plate, the sealing strip and the second side plate are hermetically matched to block the first chamber; the first side plate and the second side plate are obliquely arranged downwards towards the inner side, so that the partition of the first cavity is realized by the structures of the partition plate and the bottom shell, the sealing strips extending out of the soft rubber sealing elements are used for integrated sealing, sealing parts are not required to be additionally arranged, assembly steps are reduced, working hours are saved, and meanwhile, the sealing effect is improved.

5. In the above technical scheme, a ring-shaped sealing ring positioned on the circular bottom surface of the partition plate extends from the sealing strip of the soft rubber sealing piece, and the circular bottom surface of the partition plate is tightly connected with the bottom shell through the sealing ring, so that the first chamber forms a ring-shaped air inlet flow channel, air entering the first chamber can flow around the ring-shaped air inlet flow channel, and then enters the second chamber from the air flow channel, the ring-shaped air inlet flow channel enables air flow to be smoother, and has a certain effect on noise reduction; meanwhile, for sealing of the bottom, the sealing piece is led out from the soft rubber sealing piece integrated with the partition plate, so that the assembly is convenient, and the sealing effect is good.

6. In the above technical scheme, the upper cover plate is provided with a first sampling port communicated to the first chamber, a second sampling port communicated to the second chamber, and a third sampling port communicated to the flow monitoring chamber, and monitoring sensors are arranged on the circuit board of the breathing machine corresponding to the first sampling port, the second sampling port and the third sampling port. The air flow at this position is stable, and the measurement is accurate, and sampling port and upper cover plate joint an organic whole set up simultaneously, and sampling port direct UNICOM is to first cavity, second cavity and flow monitoring cavity, and each monitoring sensor is also connected with each sampling port to this monitors air flow parameters such as high pressure, low pressure, flow, avoids the arrangement of extra monitoring gas circuit, has reduced the part quantity of several joints, pipeline.

7. In the above technical scheme, the upper cover is provided with the sinking area, and the first sampling port, the second sampling port and the third sampling port are arranged in the sinking area, so that the structure of the gas circuit monitoring part of the breathing machine is more compact, and the whole volume of the breathing machine can be effectively controlled.

8. In the above technical scheme, be equipped with on the circuit board with the switching sealing member that the sinking area that first sampling mouth, second sampling mouth, third sampling mouth are located corresponds, carry out integrated sealed switching to first sampling mouth, second sampling mouth, third sampling mouth and corresponding monitoring sensor by a switching sealing member, spare part is few, convenient assembling.

9. In the above technical scheme, the first sampling port, the second sampling port and the third sampling port are joint pipeline structures integrally formed with the upper cover plate, and the partition plate is provided with a sampling extension pipeline for communicating the first chamber with the first sampling port, so that an air flow channel of each sampling port is formed, and the joint pipeline structures can be more convenient for butt joint of the monitoring sensor and sealing transfer of the transfer sealing element.

10. In the above technical solution, the number of the sinking areas is plural, and the other sinking areas are used for accommodating electronic components arranged downward on the lower surface of the circuit board, where the other sinking areas except for the sinking areas where the first sampling port, the second sampling port and the third sampling port are provided, so that the raised electronic components on the circuit board can be accommodated downward in the sinking areas of the upper cover plate, and the height of the upper and lower sides of the respirator is reduced.

11. In the utility model, a diversion pipeline is arranged at an airflow channel on the partition board, a first diversion opening is arranged in the second chamber of the diversion pipeline, a second diversion opening is arranged in the first chamber of the diversion pipeline, and a laminar flow element is arranged in the diversion pipeline; the whole structure of the steering pipeline is arranged on the partition board and the upper cover plate and between the second chamber and the first chamber, air entering the first chamber from the air inlet enters the first end of the steering pipeline along the air inlet flow channel, enters the second chamber from the second end of the steering pipeline, enters the fan body through the air blowing flow channel, and the steering pipeline is not arranged outside or on the periphery side, does not occupy the space outside the air path module, and is also optimized for space.

12. In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically linked, may be directly linked, may be indirectly linked through an intervening medium, and may be in communication between two elements or in an interactive relationship therebetween, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

13. In the present utility model, the positional or positional relationship indicated by the terms "upper", "lower", "bottom", "inner", "outer", etc. are positional or positional fitting relationship based on those shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

14. In addition, the term "and/or" in the present application is meant to include three parallel schemes, including the a scheme, the B scheme, or the scheme in which a and B are satisfied simultaneously, taking "a and/or B" as an example.

Due to the application of the scheme, compared with the prior art, the utility model has the following advantages and effects:

1. According to the scheme, the ventilator is designed to be of a structure with the bottom shell, the partition plate and the upper cover plate, the first cavity is formed between the partition plate and the bottom shell, the partition plate and the upper cover plate are separated into the second cavity positioned in front of the air inlet of the fan body and the flow monitoring cavity positioned behind the air outlet of the fan body by the fan body, and the partition plate is provided with the air flow channel communicated with the first cavity and the second cavity, so that an air channel module which is originally installed in the bottom shell of the ventilator in a separated mode is optimized and simplified, and the bottom shell of the ventilator can be a part of the air channel module.

2. According to the scheme, the first chamber is formed between the bottom shell and the partition plate, air entering the air path module of the breathing machine enters the first chamber from the air inlet, then enters the second chamber formed by the partition plate and the upper cover plate from the air flow channel, and is blown to the flow monitoring chamber by the fan body and enters the humidifying tank, through the flow channel design, the first chamber formed between the bottom shell and the partition plate is used as an air inlet flow channel of an air inlet flow path, the air flow can be stabilized, the air flow noise can be reduced under the condition that corresponding pipelines are not additionally arranged, and the redundant gap part in the original bottom shell can be fully utilized.

3. According to the scheme, the second chamber and the flow monitoring chamber are formed between the partition plate and the upper cover plate, the air flow monitoring function can be realized by means of the arrangement, pipelines are not required to be additionally arranged, the number of parts is reduced, and the volume of the breathing machine is reduced.

4. In summary, the technical scheme of the utility model skillfully utilizes the first chamber formed between the bottom shell and the partition plate as the air inlet flow channel of the air inlet flow path, can stabilize air flow and reduce air flow noise under the condition of not additionally arranging corresponding pipelines, can fully utilize redundant gap parts in the original bottom shell, and also utilizes the partition plate and the upper cover plate to form the second chamber and the flow monitoring chamber, so that the whole structure of the respirator is more compact and reliable, the parts of the whole respirator are reduced, the structure is ingenious and reasonable, the assembly is simplified, the assembly efficiency and the assembly quality are improved, the safety and the reliability of a patient when the respirator is used as medical supplies are also improved, and the use of the respirator by the patient is safer and more stable.

Drawings

FIG. 1 is a schematic view of a ventilator according to an embodiment of the present utility model;

FIG. 2 is a schematic view of an assembly of a ventilator according to an embodiment of the present utility model;

FIG. 3 is an exploded view of a ventilator according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram illustrating assembly of components such as a partition, an upper cover plate, a fan body, and the like in accordance with an embodiment of the present utility model;

FIG. 5 is a schematic view of the blower body and baffle assembly in the bottom shell according to an embodiment of the present utility model;

FIG. 6 is a schematic top view of a ventilator with portions broken away in accordance with an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a bottom shell according to an embodiment of the utility model;

FIG. 8 is a schematic perspective view of a septum (view I) according to an embodiment of the present utility model;

FIG. 9 is a schematic perspective view of a partition (view II) according to an embodiment of the present utility model;

FIG. 10 is a schematic perspective view of an upper cover plate according to an embodiment of the utility model;

FIG. 11 is a schematic cross-sectional view (direction one) of an upper cover plate according to an embodiment of the utility model;

FIG. 12 is a schematic cross-sectional view of an upper cover plate (direction two) according to an embodiment of the utility model;

FIG. 13 is a schematic perspective view of a rotary seal (view I) according to an embodiment of the utility model;

FIG. 14 is a schematic perspective view of a rotary seal (view II) according to an embodiment of the utility model;

FIG. 15 is a schematic cross-sectional view (direction one) of a rotary seal in an embodiment of the utility model;

FIG. 16 is a schematic cross-sectional view of a rotary seal (direction two) in an embodiment of the utility model;

FIG. 17 is a schematic cross-sectional view (direction one) of a ventilator according to an embodiment of the present utility model;

FIG. 18 is a schematic cross-sectional view (direction two) of a ventilator according to an embodiment of the present utility model;

FIG. 19 is a schematic cross-sectional view of a ventilator according to an embodiment of the present utility model (direction three);

FIG. 20 is a schematic cross-sectional view of a ventilator according to an embodiment of the present utility model (direction four);

FIG. 21 is a schematic view of the overall airflow direction of a ventilator according to an embodiment of the present utility model;

FIG. 22 is a schematic flow diagram of an air flow from the outside into the first chamber of a ventilator according to an embodiment of the present utility model;

FIG. 23 is a schematic flow diagram of a ventilator according to an embodiment of the present utility model from a first chamber into a second chamber;

FIG. 24 is a schematic flow diagram of the flow of air from the second chamber into the blower body for a ventilator according to an embodiment of the present utility model;

Fig. 25 is a schematic flow diagram of the flow of air from the second chamber into the flow monitoring chamber of the ventilator according to an embodiment of the present utility model.

The parts of the above figures are shown as follows:

1. A bottom case; 10. an accommodating space; 11. an air inlet; 111. an air inlet pipe; 12. a second side plate;

2. A partition plate;

21. a fan accommodating cavity;

22. An air flow channel; 220. a steering pipe; 221. a first steering port; 222. a second turn port; 223. a laminar flow element;

23. A soft gel seal; 231. a rib; 232. a sealing strip; 233. a seal ring;

24. a first side plate; 25. sampling an extension pipe;

3. a fan body; 31. an air inlet; 32. an air outlet;

4. an upper cover plate; 41. a first sampling port; 42. a second sampling port; 43. a third sampling port; 44. a sinking region;

5. a circuit board; 51. monitoring a sensor;

52. A transfer seal; 521. a first transfer section; 522. a second switching part; 523. a third switching part;

53. An electronic component;

60. a first chamber; 70. a second chamber; 80. a flow monitoring chamber;

9. A humidifying tank.

Description of the embodiments

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

Embodiments as shown in fig. 1 to 25, embodiments of the present utility model disclose a ventilator having:

A bottom case 1, the bottom case 1 having an air inlet 11 communicating with the outside atmosphere; the baffle plate 2 is assembled on the bottom shell 1, the baffle plate 2 is provided with a fan accommodating cavity 21, and a fan body 3 is arranged in the fan accommodating cavity 21; an upper cover plate 4, the upper cover plate 4 being assembled on the partition plate 2;

In an embodiment of the utility model, the ventilator is configured to: a first chamber 60 is formed between the partition board 2 and the bottom shell 1, a second chamber 70 positioned in front of the air inlet 31 of the fan body 3 and a flow monitoring chamber 80 positioned behind the air outlet 32 of the fan body 3 are partitioned by the fan body 3 between the partition board 2 and the upper cover plate 4, and an air flow channel 22 communicating the first chamber 60 and the second chamber 70 is formed on the partition board 2.

According to the embodiment of the utility model, the ventilator is designed to be in a structure with the bottom shell 1, the partition board 2 and the upper cover board 4, a first chamber 60 is formed between the partition board 2 and the bottom shell 1, the partition board 2 and the upper cover board 4 are divided into a second chamber 70 positioned in front of an air inlet 31 of the fan body 3 and a flow monitoring chamber 80 positioned behind an air outlet 32 of the fan body 3 by the fan body 3, and an air flow channel 22 which is communicated with the first chamber 60 and the second chamber 70 is formed on the partition board 2, so that an air channel module which is originally separated and installed in the bottom shell 1 of the ventilator is optimized and simplified, and the bottom shell 1 of the ventilator can also be a part of the air channel module; the second chamber 70 and the flow monitoring chamber 80 are formed between the partition board 2 and the upper cover board 4, so that the air flow monitoring function can be realized by means of the arrangement, and a pipeline is not required to be additionally arranged, so that the whole structure of the breathing machine is more compact and reliable.

In the solution of the embodiment of the present utility model, referring to fig. 9, a soft rubber seal 23 is integrally formed on the local surface and the outer edge of the partition board 2 through a mold, where the soft rubber seal 23 is configured to act at least on the connection between the partition board 2 and the bottom shell 1 and the connection between the partition board 2 and the upper cover board 4, and the soft rubber seal 23 formed with the partition board 2 seals between the first chamber 60, the second chamber 70 and the flow monitoring chamber 80, so that the number of additional parts can be effectively reduced, and the assembly efficiency and quality can be improved.

In the solution of the embodiment of the present utility model, referring to fig. 9, the flexible glue sealing member 23 extends to form a plurality of ribs 231 around the fan accommodating cavity 21 of the partition board 2, and the plurality of ribs 231 form an elastic support for mounting the fan body 3 to elastically limit the fan body 3, where the elastic support extends from the flexible glue sealing member 23, and the elastic support does not need to additionally add parts, and can elastically limit the fan body 3 by using elasticity and friction of the flexible glue parts, so that good soft connection and buffering can be provided between the fan body 3 and the partition board 2, the design is ingenious, vibration of the fan body 3 can be effectively reduced, and meanwhile, sufficient friction and limitation can also ensure firm mounting of the fan body 3, and vibration and noise reduction can be ensured; for the flow monitoring chamber 80, the soft rubber sealing piece 23 is also formed by jointly connecting and matching with the air outlet 32 joint of the fan body 3, the partition board 2 and the upper cover board 4, and the air outlet 32 joint of the fan body 3 is also matched with the soft rubber sealing piece 23 in an action manner, so that the effects of vibration reduction and noise reduction are also achieved.

In the solution of the embodiment of the present utility model, referring to fig. 9, a first side plate 24 for blocking the first chamber 60 is disposed on a lower side edge of the partition board 2, a second side plate 12 is disposed on the bottom shell 1 corresponding to the first side plate 24, a sealing strip 232 is extended from the soft rubber sealing member 23 to be disposed outside the first side plate 24, and after the partition board 2 is assembled in the bottom shell 1, the first side plate 24, the sealing strip 232 and the second side plate 12 are hermetically matched to block the first chamber 60; the first side plate 24 and the second side plate 12 are obliquely arranged downwards towards the inner side, so that the partition of the first chamber 60 is realized by the structures of the partition plate 2 and the bottom shell 1, and the sealing strips 232 extending from the soft rubber sealing piece 23 are used for integrated sealing, so that no sealing component is required to be additionally arranged, the assembly steps are reduced, the working hours are saved, and the sealing effect is improved.

In the solution of the embodiment of the present utility model, referring to fig. 9, a ring-shaped sealing ring 233 is extended from the sealing strip 232 of the soft rubber sealing member 23 and is located on the circular bottom surface of the partition board 2, and the circular bottom surface of the partition board 2 is tightly connected with the bottom shell 1 through the sealing ring 233, so that the first chamber 60 forms a ring-shaped air inlet channel, so that air entering the first chamber 60 can flow around the ring-shaped air inlet channel, and then enter the second chamber 70 from the air flow channel 22, and the ring-shaped air inlet channel will make the air flow smoother, and has a certain effect on noise reduction; meanwhile, for sealing of the bottom, the sealing piece 23 is led out from the soft rubber sealing piece integrated with the partition plate 2, so that the assembly is convenient, and the sealing effect is good.

In an aspect of the embodiment of the present utility model, referring to fig. 10 to 12, the upper cover 4 is provided with a first sampling port 41 connected to the first chamber 60, a second sampling port 42 connected to the second chamber 70, and a third sampling port 43 connected to the flow monitoring chamber 80, and the circuit board 5 of the ventilator is provided with a monitoring sensor 51 corresponding to the first sampling port 41, the second sampling port 42, and the third sampling port 43. The air flow at the position is stable, the measurement is accurate, the sampling ports are integrally connected with the upper cover plate 4, the sampling ports are directly communicated to the first chamber 60, the second chamber 70 and the flow monitoring chamber 80, and each monitoring sensor 51 is connected with each sampling port, so that the air flow parameters such as high pressure, low pressure and flow are monitored, the arrangement of additional monitoring air paths is avoided, and the number of parts of a plurality of joints and pipelines is reduced. Specifically, the upper cover is provided with a sinking area 44, and the first sampling port 41, the second sampling port 42 and the third sampling port 43 are arranged in the sinking area 44, so that the structure of the gas path monitoring part of the breathing machine is more compact, and the whole volume of the breathing machine can be effectively controlled.

In the solution of the embodiment of the present utility model, referring to fig. 3, the circuit board 5 is provided with a transfer seal 52 corresponding to the sinking area 44 where the first sampling port 41, the second sampling port 42 and the third sampling port 43 are located, and one transfer seal 52 is used to perform integral sealing transfer between the first sampling port 41, the second sampling port 42 and the third sampling port 43 and the corresponding monitoring sensor 51, so that the number of parts is small and the assembly is convenient. The structure of the transit seal 52 refers to fig. 13 to 16, wherein the transit seal 52 is provided with a first transit portion 521, a second transit portion 522 and a third transit portion 523 corresponding to the first sampling port 41, the second sampling port 42 and the third sampling port 43. Specifically, referring to fig. 10 to 12, the first sampling port 41, the second sampling port 42, and the third sampling port 43 are joint pipe structures integrally formed with the upper cover plate 4, and the partition plate 2 is provided with a sampling extension pipe 25 for communicating the first chamber 60 and the first sampling port 41, so as to form an air flow path of each sampling port, and the provided joint pipe structures can facilitate the butt joint of the monitoring sensor 51 and the sealing and switching of the switching seal 52.

In the solution of the embodiment of the present utility model, referring to fig. 10, the number of the sinking areas 44 is plural, and the additional sinking areas 44 are used for accommodating electronic components 53 arranged downward on the lower surface of the circuit board 5, where the additional refers to other sinking areas 44 except for the sinking areas 44 where the first sampling port 41, the second sampling port 42 and the third sampling port 43 are provided, so that the electronic components 53 raised on the circuit board 5 can be accommodated downward in the sinking areas 44 of the upper cover board 4, and the height of the ventilator is reduced.

In the solution of the embodiment of the present utility model, referring to fig. 20, a diversion pipeline 220 is disposed at the air flow channel 22 on the partition board 2, a first diversion port 221 is disposed in the second chamber 70 in the diversion pipeline 220, a second diversion port 222 is disposed in the first chamber 60, a laminar flow element 223 is disposed in the diversion pipeline 220, meanwhile, the laminar flow element 223 is used as a boundary, a portion above the laminar flow element 223 is the second chamber 70, and a portion below the laminar flow element 223 is the first chamber 60; the whole structure of the steering pipeline 220 is that the air entering the first chamber 60 from the air inlet 11 enters the first end of the steering pipeline 220 along the air inlet flow channel on the partition board 2 and the upper cover board 4 and between the second chamber 70 and the first chamber 60, and enters the second chamber 70 from the second end of the steering pipeline 220, and enters the fan body 3 through the air blast flow channel, the steering pipeline 220 is not arranged on the outside or the periphery side, the space outside the air circuit module is not occupied, the space is optimized, and the steering pipeline 220 and the partition board 2 are integrally arranged, so that the number of parts is reduced.

The present utility model will be described in more detail with reference to one of more specific embodiments.

In this detailed embodiment, the ventilator has a bottom case 1, a partition board 2, a fan body 3, an upper cover plate 4, a circuit board 5, and a soft rubber seal 23 for assembling and sealing between the bottom case 1, the partition board 2, the fan body 3 and the upper cover plate 4, wherein the partition board 2 and the soft rubber seal 23 are integrally formed by a mold, and further includes a transfer seal 52 for sealing and transferring the circuit board 5 and a sinking area 44 of the upper cover plate 4.

In this detailed embodiment, a first chamber 60 is formed between the partition board 2 and the bottom shell 1, the space between the partition board 2 and the upper cover plate 4 is divided by the fan body 3 into a second chamber 70 positioned in front of the air inlet 31 of the fan body 3 and a flow monitoring chamber 80 positioned behind the air outlet 32 of the fan body 3, and an air flow channel 22 communicating the first chamber 60 and the second chamber 70 is formed on the partition board 2;

In this detailed embodiment, the partition board 2 is assembled in the accommodating space 10 of the bottom shell 1, the lower side edge of the partition board 2 is provided with a first side board 24 for blocking the first chamber 60, the bottom shell 1 is provided with a second side board 12 corresponding to the first side board 24, the soft rubber sealing member 23 extends out of a sealing strip 232 to be arranged outside the first side board 24, and after the partition board 2 is assembled in the bottom shell 1, the first side board 24, the sealing strip 232 and the second side board 12 are hermetically matched to block the first chamber 60; the first side plate 24 and the second side plate 12 are disposed obliquely downward toward the inner side. An annular sealing ring 233 is extended from the sealing strip 232 of the soft rubber sealing member 23 and is located at the circular bottom surface of the partition board 2, and the circular bottom surface of the partition board 2 is tightly connected with the bottom shell 1 through the sealing ring 233, so that the first chamber 60 forms an annular air inlet channel. A diversion conduit 220 is disposed at the air flow passage 22 on the partition plate 2, a first diversion opening 221 is disposed in the second chamber 70 in the diversion conduit 220, a second diversion opening 222 is disposed in the first chamber 60 in the diversion conduit 220, and a laminar flow element 223 is disposed in the diversion conduit 220.

In this detailed embodiment, the fan body 3 is mounted in the fan accommodating cavity 21 of the partition board 2, and the soft rubber seal 23 extends to form a plurality of ribs 231, which are circumferentially arranged in the fan accommodating cavity 21 of the partition board 2, and the plurality of ribs 231 form an elastic bracket for mounting the fan body 3 so as to elastically limit the fan body 3.

In this detailed embodiment, the upper cover plate 4 is assembled on the partition plate 2, and the space between the partition plate 2 and the upper cover plate 4 is divided by the fan body 3 into a second chamber 70 located in front of the air inlet 31 of the fan body 3 and a flow monitoring chamber 80 located behind the air outlet 32 of the fan body 3; one of the sinking areas 44 of the upper cover plate 4 is provided with a first sampling port 41 communicated with the first chamber 60, a second sampling port 42 communicated with the second chamber 70 and a third sampling port 43 communicated with the flow monitoring chamber 80, so that the sinking area 44 is used as an air flow monitoring area. Specifically, the first sampling port 41, the second sampling port 42, and the third sampling port 43 are joint pipe structures integrally formed with the upper cover plate 4, and the partition plate 2 is provided with a sampling extension pipe 25 for communicating the first chamber 60 and the first sampling port 41. The further sinking section 44 of the upper cover plate 4 is adapted to receive electronic components 53 arranged downwards on the lower surface of the circuit board 5.

In this detailed embodiment, the circuit board 5 is positioned and mounted on the upper cover 4, and the circuit board 5 is provided with a transfer seal 52 corresponding to the sinking area 44 where the first sampling port 41, the second sampling port 42 and the third sampling port 43 are located, and the transfer seal 52 is provided with a first transfer portion 521, a second transfer portion 522 and a third transfer portion 523 corresponding to the first sampling port 41, the second sampling port 42 and the third sampling port 43.

In this detailed embodiment, the overall airflow direction may be referenced to fig. 21, and the remaining flow directions in the various flow channels may be referenced to fig. 22-25. Specifically, the following is described.

An air inlet flow passage is formed at the first chamber 60, a steering flow passage is formed at the steering pipeline 220, an air blowing flow passage is formed at the second chamber 70, and after the air entering from the air inlet 11 enters the first chamber 60, the air is blown to the flow monitoring chamber 80 by the fan body 3 through the air inlet flow passage, the steering flow passage and the air blowing flow passage and then enters the humidification tank 9 of the breathing machine.

The air inlet 11 communicates with the first chamber 60 via an air inlet pipe 111 extending into the first chamber 60, and an inner opening of the air inlet pipe 111 is located at a head end of an air flow path in the air inlet flow passage.

The diversion conduit 220 is provided with a first diversion opening 221 in the first chamber 60, and the bottom opening of the first diversion opening 221 is located at the end of the airflow path in the air inlet flow passage and at the head end of the airflow path in the diversion flow passage.

The diversion conduit 220 is provided with a second diversion port 222 in the second chamber 70, and the top opening of the second diversion port 222 is located at the end of the airflow path in the diversion flow passage and at the head end of the airflow path in the blast flow passage.

The air inlet 31 of the fan body 3 is positioned in the second chamber 70 and positioned at the tail end of the air flow path in the air blowing flow channel; the air outlet 32 of the fan body 3 is located within the flow monitoring chamber 80.

The detailed embodiment further achieves the aim of the utility model by optimizing and improving the overall optimization design of the breathing machine, in particular to optimizing and improving a plurality of places of a gas circuit module of the breathing machine, and comprises the following steps:

1. The first chamber 60 is formed by the bottom shell 1 and the partition board 2 together, and can utilize the redundant gap part in the original bottom shell 1 for the first chamber 60, so that the air entering from the air inlet 11 can pass through the air inlet channel, and the air channel is optimized, and the air flow is smoother, the noise is lower, and the like, besides the characteristic of reducing the occupied space.

2. The whole structure of the steering pipeline 220 is that the air entering the first chamber 60 from the air inlet 11 enters the first end of the steering pipeline 220 along the air inlet flow channel on the partition board 2 and the upper cover board 4 and is positioned between the second chamber 70 and the first chamber 60, and enters the second chamber 70 from the second end of the steering pipeline 220, and enters the fan body 3 through the air blast flow channel, the steering pipeline 220 is not arranged on the outside or the periphery side, does not occupy the space outside the air path module, and is also the space optimization;

3. the air flow monitoring area is arranged on the upper cover plate 4, the first sampling port 41 is directly communicated to the first chamber 60, the second sampling port 42 is directly communicated to the second chamber 70, the third sampling port 43 is directly communicated to the flow monitoring chamber 80, and no additional air flow pipeline is specially arranged to monitor the air flow in the air circuit module, so that additional part pipelines and joints are saved, and space is saved;

4. The design that a plurality of air flow monitoring sensors on the circuit board 5 are connected with the first sampling port 41, the second sampling port 42 and the third sampling port 43 in a matching way through the transfer sealing piece 52 is skillfully used, the arrangement of the air flow monitoring areas on the air circuit module is skillfully used, when the circuit board 5 is assembled above the upper cover plate 4, a plurality of air flow monitoring sensors can be directly connected with the first sampling port 41, the second sampling port 42 and the third sampling port 43 in a matching way through the transfer sealing piece 52, parts are omitted, the assembly is simplified, the assembly efficiency and the assembly quality are improved, the air flow monitoring sensors are also arranged towards the air circuit module, and a part of space is saved.

Particularly, in the design of the detailed implementation mode, from the analysis of the four points, the implementation of each optimized and improved functional design is closely linked and interdependent, so that the whole structure of the breathing machine is more compact and reliable, the whole parts of the breathing machine are reduced, the structure is ingenious and reasonable, the assembly is simplified, the assembly efficiency and the assembly quality are improved, the safety and the reliability of a patient when the breathing machine is used are improved, and the breathing machine is used as a medical product, so that the use of the patient is safer and more stable.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (11)

1. A ventilator, the ventilator comprising:

A bottom shell (1), wherein the bottom shell (1) is provided with an air inlet (11) communicated with the outside atmosphere;

The air conditioner comprises a partition plate (2), wherein the partition plate (2) is assembled on a bottom shell (1), the partition plate (2) is provided with a fan accommodating cavity (21), and a fan body (3) is arranged in the fan accommodating cavity (21);

An upper cover plate (4), wherein the upper cover plate (4) is assembled on the partition board (2);

The ventilator is configured to: a first chamber (60) is formed between the partition plate (2) and the bottom shell (1), a second chamber (70) positioned in front of an air inlet (31) of the fan body (3) and a flow monitoring chamber (80) positioned behind an air outlet (32) of the fan body (3) are partitioned by the fan body (3) between the partition plate (2) and the upper cover plate (4), and an air flow channel (22) communicated with the first chamber (60) and the second chamber (70) is formed in the partition plate (2).

2. The ventilator according to claim 1, wherein: the partition board (2) is provided with a soft rubber sealing piece (23) on the local surface and the outer edge of the partition board through die integrated forming, and the soft rubber sealing piece (23) is configured to act on at least the joint between the partition board (2) and the bottom shell (1) and the joint between the partition board (2) and the upper cover board (4).

3. The ventilator according to claim 2, wherein: the soft rubber sealing piece (23) extends to form a plurality of ribs (231) which are arranged in a surrounding mode into the fan accommodating cavity (21) of the partition board (2), and the ribs (231) form an elastic support for installing the fan body (3) so as to limit the fan body (3) elastically.

4. The ventilator according to claim 2, wherein: a first side plate (24) for isolating the first chamber (60) is arranged on the side edge of the lower part of the partition plate (2), a second side plate (12) is arranged on the bottom shell (1) corresponding to the first side plate (24), a sealing strip (232) extends out of the soft rubber sealing piece (23) and is arranged to the outer side of the first side plate (24), and after the partition plate (2) is assembled in the bottom shell (1), the first side plate (24), the sealing strip (232) and the second side plate (12) are hermetically matched to isolate the first chamber (60); the first side plate (24) and the second side plate (12) are obliquely arranged downwards towards the inner side.

5. The ventilator according to claim 4, wherein: an annular sealing ring (233) positioned on the circular bottom surface of the partition plate (2) extends from the sealing strip (232) of the soft rubber sealing piece (23), and the circular bottom surface of the partition plate (2) is tightly connected with the bottom shell (1) through the sealing ring (233), so that the first chamber (60) forms an annular air inlet flow channel.

6. The ventilator according to claim 1, wherein: the upper cover plate (4) is provided with a first sampling port (41) communicated to the first chamber (60), a second sampling port (42) communicated to the second chamber (70) and a third sampling port (43) communicated to the flow monitoring chamber (80), and a monitoring sensor (51) is arranged on a circuit board (5) of the breathing machine and corresponds to the first sampling port (41), the second sampling port (42) and the third sampling port (43).

7. The ventilator according to claim 6, wherein: the upper cover is provided with a sinking area (44), and the first sampling port (41), the second sampling port (42) and the third sampling port (43) are arranged in the sinking area (44).

8. The ventilator according to claim 7, wherein: and the circuit board (5) is provided with a transfer sealing piece (52) corresponding to a sinking area (44) where the first sampling port (41), the second sampling port (42) and the third sampling port (43) are located.

9. The ventilator of any of the preceding claims 6-8 wherein: the first sampling port (41), the second sampling port (42) and the third sampling port (43) are joint pipeline structures integrally formed with the upper cover plate (4), and the partition plate (2) is provided with a sampling extension pipeline (25) for communicating the first chamber (60) and the first sampling port (41).

10. The ventilator according to claim 7, wherein: the number of the sinking areas (44) is a plurality, and the other sinking areas (44) are used for accommodating electronic components (53) which are downwards arranged on the lower surface of the circuit board (5).

11. The ventilator according to claim 1, wherein: the air flow channel (22) on the partition plate (2) is provided with a steering pipeline (220), the steering pipeline (220) is provided with a first steering port (221) in the second chamber (70), a second steering port (222) in the first chamber (60), and a laminar flow element (223) is arranged in the steering pipeline (220).