CN219224168U

CN219224168U - Simulation device for simulating human lung respiration

Info

Publication number: CN219224168U
Application number: CN202320800629.9U
Authority: CN
Inventors: 盛璇; 杜军
Original assignee: Sichuan Jiayi Medical Instrument Co ltd
Current assignee: Sichuan Jiayi Medical Instrument Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-06-20
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a simulation device for simulating human lung respiration, and relates to the technical field of medical models. The fixed bracket part comprises a base and an upright post; the simulated artificial lung comprises a rubber bag and a simulated nasal cavity which are communicated, and the rubber bag is arranged at the top of the base; the motion part comprises a gear motor, an initiative lung cam tool, a linear track, a pressing plate and a connecting rod, wherein the linear track is vertically arranged on the upright post, a sliding block is arranged on the linear track, the sliding block is connected with the lower end of the connecting rod, the pressing plate is connected with the connecting rod, the bottom surface of the pressing plate is connected with a rubber bag, the gear motor is arranged on the upright post, an output shaft of the gear motor is connected with the initiative lung cam tool, a sliding groove is arranged on the initiative lung cam tool, a bearing is arranged in the sliding groove, the bearing is connected with the upper end of the connecting rod, and the bearing is used for simulating human breathing when the sliding groove slides. The scheme has simple and reasonable structure, convenient processing, reduced processing difficulty and reduced cost.

Description

Simulation device for simulating human lung respiration

Technical Field

The utility model relates to the technical field of medical models, in particular to a simulation device for simulating human lung respiration.

Background

The oxygenerator products need to be tested before leaving the factory, and whether the performance meets the requirements or whether the quality is over-closed is detected, so that corresponding testing equipment is needed. In the prior art, a respiration simulator adopts a speed reducing motor to drive a screw rod or adopts a crank control mode to control the up-and-down movement of an air bag. For production and manufacture, both the screw rod and the crankshaft are relatively complex to manufacture, and the simplification of manufacture is not facilitated. Therefore, there is a need to devise a new type of simulation device for simulating pulmonary breathing of a human body to change the current shortcomings.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides the simulation device for simulating the lung respiration of the human body, which has a simple structure and is convenient to process and install.

In order to achieve the object of the utility model, the following scheme is adopted:

a simulation device for simulating human lung respiration comprises a fixed support part, a simulated artificial lung part and a motion part.

The fixed bracket part comprises a base and an upright post;

the simulated artificial lung comprises a rubber bag and a simulated nasal cavity which are communicated, and the rubber bag is arranged at the top of the base;

the motion part comprises a gear motor, an initiative lung cam tool, a linear track, a pressing plate and a connecting rod, wherein the linear track is vertically arranged on the upright post, a sliding block is arranged on the linear track, the sliding block is connected with the lower end of the connecting rod, the pressing plate is connected with the connecting rod, the bottom surface of the pressing plate is connected with a rubber bag, the gear motor is arranged on the upright post, an output shaft of the gear motor is connected with the initiative lung cam tool, a sliding groove is arranged on the initiative lung cam tool, a bearing is arranged in the sliding groove, the bearing is connected with the upper end of the connecting rod, and the bearing is used for simulating human breathing when the sliding groove slides.

Further, the base is of an inverted U shape, a through hole is formed in the base, and the simulated nasal cavity is arranged in the through hole.

Further, the rubber leather bag and the linear rail are positioned on two sides of the upright post, a plurality of through grooves are formed in the upright post, and one end of the pressing plate penetrates through the through grooves and then is connected with the connecting rod.

The utility model has the beneficial effects that: the gear motor drives the driving lung cam tool; the driving lung cam tool drives the bearing to drive the connecting rod to reciprocate up and down; the connecting rod drives the rubber leather bag to reciprocate through the pressing plate to simulate the respiratory motion of the human lung, and the air flow change is discharged or inhaled through the simulated nasal cavity. The utility model replaces the mode of screw rod or crank shaft driving by the mode of cam driving movement, has simple and reasonable structure, is convenient to process, reduces the processing difficulty and reduces the cost.

Drawings

FIG. 1 is a block diagram of an analog device of an embodiment;

FIG. 2 is a right side view of the simulation device of the embodiment;

FIG. 3 is a block diagram of a base of an embodiment;

fig. 4 is a left side view of the simulation apparatus of the embodiment.

Detailed Description

As shown in fig. 1, the present embodiment provides a simulation apparatus for simulating pulmonary respiration of a human body, which includes a fixed support portion, a simulated artificial lung portion, and a moving portion.

Specifically, the fixed support part comprises a base 31 and an upright post 32, the upright post 32 is vertically connected with the base 31, the base 31 and the upright post form an L-shaped structure, and the upright post 32 is made of aluminum alloy.

Specifically, as shown in fig. 4, the simulated artificial lung part comprises a rubber bag 11 and a simulated nasal cavity 12, the lower end surface of the rubber bag 11 is fixedly connected to a base 31, and the rubber bag 11 is communicated with the air passage of the simulated nasal cavity 12 in a sealing manner. In order to fully utilize the space and simplify the external structure, as shown in fig. 3, the base 31 is in an inverted U shape, the base 31 is provided with a through hole 311, the simulated nasal cavity 12 is arranged below the rubber bag 11 and in the through hole 311, and two simulated nostrils of the simulated nasal cavity 12 are in the inverted U-shaped region of the base 31.

Specifically, as shown in fig. 1 and 2, the moving part includes a gear motor 21, an active lung cam tooling 22, a linear track 23, a pressing plate 24 and a connecting rod 25, the gear motor 21 is disposed on a stand column 32, an output shaft of the gear motor 21 penetrates through the stand column 32 and then is connected with one side of the active lung cam tooling 22, the gear motor 21 is connected with the active lung cam tooling 22 through an upper key interference fit of a motor shaft, a sliding groove 221 is disposed on the other side of the active lung cam tooling 22, a bearing is disposed in the sliding groove 221 in a sliding manner, the upper end of the connecting rod 25 is connected with the bearing, the linear track 23 is vertically disposed on the stand column 32, a sliding block 231 is disposed on the linear track 23, the lower end of the connecting rod 25 is connected with the connecting rod 231, the pressing plate 24 is horizontally and vertically connected with the connecting rod 25, and the pressing plate 24 is connected with the upper end face of the rubber bag 11, when the bearing slides in the sliding groove 221, a human breathing law can be simulated in a specific manner as follows:

the gear motor 21 drives the driving lung cam tool 22; the driving lung cam tool 22 drives the bearing driving connecting rod 25 to reciprocate up and down; the connecting rod 25 drives the rubber bag 11 to reciprocate through the pressing plate 24 to simulate the respiratory motion of the human lung; the change in airflow generated by the reciprocation of the rubber bellows 11 is eliminated or inhaled by the simulated nasal cavity 12. The breathing rule of the human body is that the breathing time is 2 times of the breathing time, and the breathing frequency can be adjusted through the rotating speed of the gear motor 21 according to different breathing frequency time.

One of the ways is: the rubber bag 11 is located on the same side of the upright 32 as the linear rail 23. In order to make the whole structure more compact and beautiful, preferably, the rubber bag 11 and the linear rail 23 are positioned at two sides of the upright post 32, two vertical through grooves 321 are arranged on the upright post 32, and one end of the pressing plate 24 passes through the through grooves 321 and then is connected with the connecting rod 25.

More specifically, in this embodiment, each component is fixedly connected by a screw, and is convenient to assemble or disassemble by a screw-fixing connection mode. Such as: the gear motor 21 is connected with the upright post 32 by a screw. The bearing and the connecting rod 25 are connected and fixed through screws and nuts. The connecting rod 25 is fixed to the slider 231 by screw connection. The linear rail 23 is screwed to the upright 32. The pressing plate 24 is fixedly connected with the connecting rod 25 by a screw. The upright post 32 is fixed to the base 31 by screw connection. Note that screw connections are only one of the implementations and are not meant to be the only way.

In conclusion, the mode of cam driving motion replaces the mode of screw rod or crankshaft driving, and the embodiment has the advantages of simple and reasonable structure, convenience in processing, reduction in processing difficulty and cost reduction.

The above embodiments are merely for illustrating the technical ideas and features of the present utility model, and are not meant to be exclusive or limiting. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model.

Claims

1. A simulator for simulating pulmonary breathing in a human, comprising:

a fixed bracket part comprising a base (31) and a column (32);

the simulated artificial lung part comprises a rubber leather bag (11) and a simulated nasal cavity (12) which are communicated, wherein the rubber leather bag (11) is arranged at the top of the base (31);

the motion part comprises a gear motor (21), an initiative lung cam tool (22), a linear track (23), a pressing plate (24) and a connecting rod (25), wherein the linear track (23) is vertically arranged on a stand column (32), a sliding block (231) is arranged on the linear track (23), the sliding block (231) is connected with the lower end of the connecting rod (25), the pressing plate (24) is connected with the connecting rod (25), the bottom surface of the pressing plate (24) is connected with a rubber bag (11), the gear motor (21) is arranged on the stand column (32), an output shaft of the gear motor is connected with the initiative lung cam tool (22), a sliding groove (221) is formed in the initiative lung cam tool (22), a bearing is arranged in the sliding groove (221), the bearing is connected with the upper end of the connecting rod (25), and the bearing is used for simulating human breathing when the sliding of the sliding groove (221).

2. The simulation device for simulating pulmonary respiration of a human body according to claim 1, wherein the base (31) is of an inverted U shape, a through hole (311) is provided in the base (31), and the simulated nasal cavity (12) is provided in the through hole (311).

3. The simulation device for simulating pulmonary respiration of a human body according to claim 1, wherein the rubber bag (11) and the linear rail (23) are positioned on two sides of the upright post (32), a plurality of through grooves (321) are formed in the upright post (32), and one end of the pressing plate (24) penetrates through the through grooves (321) and then is connected with the connecting rod (25).