阅读说明：本技术 一种医用制氧机的排气消音管 (Exhaust silencing pipe of medical oxygen generator ) 是由 秦伏秋 白钢 于 2019-11-15 设计创作，主要内容包括：本发明公开了一种医用制氧机的排气消音管,具体涉及医疗器械领域,包括进气管,所述进气管一端连接有缓速机构,所述缓速机构一端连接有排气管,所述进气管、缓速机构以及排气管的管壁由内向外依次设有抗冲刷层、第一隔音层、第二隔音层以及保护层；所述缓速机构包括缓速管,所述缓速管的管壁内部对称设有多个空腔。本发明通过第一隔音层以及第二隔音层对内部气流所产生的噪音进行隔离,并通过挡风板将废气的部分动能转化为扇叶转动的动能,降低废气流速,然后通过螺旋通气管大幅度降低废气的流速,增加废气流动距离以及路径,整体使得本发明能够有效降低废气流速,与现有技术相比,起到很好的降噪作用,避免噪音污染。(The invention discloses an exhaust silencing pipe of a medical oxygen generator, and particularly relates to the field of medical instruments, which comprises an air inlet pipe, wherein one end of the air inlet pipe is connected with a retarding mechanism, one end of the retarding mechanism is connected with an exhaust pipe, and an anti-impact brushing layer, a first sound insulation layer, a second sound insulation layer and a protective layer are sequentially arranged on the pipe walls of the air inlet pipe, the retarding mechanism and the exhaust pipe from inside to outside; the retarding mechanism comprises a retarding pipe, and a plurality of cavities are symmetrically arranged in the pipe wall of the retarding pipe. According to the invention, the noise generated by the internal air flow is isolated through the first sound insulation layer and the second sound insulation layer, partial kinetic energy of the waste gas is converted into kinetic energy of the rotation of the fan blades through the wind shield, the flow velocity of the waste gas is reduced, then the flow velocity of the waste gas is greatly reduced through the spiral vent pipe, and the flow distance and the path of the waste gas are increased, so that the flow velocity of the waste gas can be effectively reduced integrally.)

1. The utility model provides a medical oxygenerator's exhaust hush pipe, includes intake pipe (1), its characterized in that: one end of the air inlet pipe (1) is connected with a retarding mechanism (2), one end of the retarding mechanism (2) is connected with an exhaust pipe (3), and the pipe walls of the air inlet pipe (1), the retarding mechanism (2) and the exhaust pipe (3) are sequentially provided with an anti-scouring layer (4), a first sound-insulating layer (5), a second sound-insulating layer (6) and a protective layer (7) from inside to outside;

the retarding mechanism (2) comprises a retarding pipe (8), a plurality of cavities (9) are symmetrically arranged inside the pipe wall of the retarding pipe (8), a bearing (10) is fixedly arranged inside the cavity (9), a rotating shaft (11) is fixedly arranged inside the bearing (10), a wind shield (12) is fixedly arranged at one end, far away from the cavity (9), of the rotating shaft (11), a fan blade (13) is fixedly arranged at one end, located inside the cavity (9), of the rotating shaft (11), and a transparent window (14) is fixedly arranged on the outer side of the cavity (9);

the exhaust pipe (3) is internally and fixedly provided with a spiral vent pipe (15), the surface of the spiral vent pipe (15) is provided with a plurality of vent holes (16) in a penetrating manner, and the vent holes (16) are internally and fixedly provided with rubber check rings (17).

2. The exhaust silencing tube of a medical oxygen generator as set forth in claim 1, wherein: the anti-scouring layer (4) is made of quartz material.

3. The exhaust silencing tube of a medical oxygen generator as set forth in claim 1, wherein: the first sound insulation layer (5) is made of an aluminum honeycomb perforated sound absorption plate material.

4. The exhaust silencing tube of a medical oxygen generator as set forth in claim 1, wherein: the second sound insulation layer (6) is made of sound absorption cotton material.

5. The exhaust silencing tube of a medical oxygen generator as set forth in claim 1, wherein: the protective layer (7) is made of stainless steel material.

6. The exhaust silencing tube of a medical oxygen generator as set forth in claim 1, wherein: intake pipe (1) one end is fixed and is equipped with first threaded connection pipe (18), the one end that first threaded connection pipe (18) was kept away from in intake pipe (1) is fixed and is equipped with second threaded connection pipe (19).

7. The exhaust silencing tube of a medical oxygen generator as set forth in claim 1, wherein: the exhaust pipe (3) one end is fixed and is equipped with third threaded connection pipe (20), the slow tube (8) both ends all are equipped with connection screw (21).

8. The exhaust silencing tube of a medical oxygen generator as set forth in claim 1, wherein: the surface of the exhaust pipe (3) is connected with a plurality of air branch pipes (22), and one end, far away from the third threaded connecting pipe (20), of the exhaust pipe (3) is fixedly provided with a dust cover (23).

Technical Field

The invention relates to the technical field of medical instruments, in particular to an exhaust silencing tube of a medical oxygen generator.

Background

The harm and important expression of the hypoxia to human bodies are generally expressed in that the aerobic metabolism rate in the human bodies is reduced, anaerobic glycolysis is enhanced and the metabolism efficiency of the organisms is reduced during the hypoxia; severe hypoxia can cause pulmonary vasoconstriction for a long time, which causes pulmonary hypertension, increases the burden of the right ventricle, and can cause pulmonary heart disease for a long time; hypoxia can aggravate hypertension, aggravate left heart burden, and even cause arrhythmia; hypoxia stimulates the kidney to produce erythropoietin, which causes the increase of erythrocytes in the body, high blood viscosity, increased peripheral vascular resistance, aggravation of cardiac load, causes or aggravates heart failure, and is also easy to induce cerebral thrombosis.

The medical oxygen generator can produce oxygen for the patient with oxygen deficiency for the patient to normally inhale oxygen, and can effectively prevent the patient from suffocating due to oxygen deficiency.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide an exhaust silencing tube for a medical oxygen generator, wherein noise generated by internal airflow is isolated by a first sound insulation layer and a second sound insulation layer, and a part of kinetic energy of exhaust gas is converted into kinetic energy of rotation of fan blades by a wind shield, so as to reduce the flow velocity of the exhaust gas, and then the flow velocity of the exhaust gas is greatly reduced by a spiral vent pipe, so as to increase the flow distance and path of the exhaust gas.

In order to achieve the purpose, the invention provides the following technical scheme: an exhaust silencing pipe of a medical oxygen generator comprises an air inlet pipe, wherein one end of the air inlet pipe is connected with a retarding mechanism, one end of the retarding mechanism is connected with an exhaust pipe, and an anti-scouring layer, a first sound insulation layer, a second sound insulation layer and a protective layer are sequentially arranged on the pipe walls of the air inlet pipe, the retarding mechanism and the exhaust pipe from inside to outside;

the air conditioner is characterized in that the retarding mechanism comprises a retarding pipe, a plurality of cavities are symmetrically arranged inside the pipe wall of the retarding pipe, a bearing is fixedly arranged inside the cavity, a rotating shaft is fixedly arranged inside the bearing, a wind shield is fixedly arranged at one end, away from the cavity, of the rotating shaft, a fan blade is fixedly arranged at one end, located inside the cavity, of the rotating shaft, and a transparent window is fixedly arranged outside the cavity;

the exhaust pipe is internally and fixedly provided with a spiral vent pipe, the surface of the spiral vent pipe is provided with a plurality of vent holes in a run-through manner, and the inside of each vent hole is fixedly provided with a rubber check ring.

In a preferred embodiment, the anti-scouring layer is made of quartz material.

In a preferred embodiment, the first acoustic layer is made of an aluminum honeycomb perforated acoustic panel material.

In a preferred embodiment, the second sound-insulating layer is made of a sound-absorbing cotton material.

In a preferred embodiment, the protective layer is made of a stainless steel material.

In a preferred embodiment, one end of the air inlet pipe is fixedly provided with a first threaded connecting pipe, and one end of the air inlet pipe, which is far away from the first threaded connecting pipe, is fixedly provided with a second threaded connecting pipe.

In a preferred embodiment, one end of the exhaust pipe is fixedly provided with a third threaded connecting pipe, and both ends of the speed reducing pipe are provided with connecting screw holes.

In a preferred embodiment, a plurality of air vent branch pipes are connected to the surface of the exhaust pipe, and a dust cover is fixedly mounted at one end of the exhaust pipe, which is far away from the third threaded connecting pipe.

The invention has the technical effects and advantages that:

1. according to the invention, the noise generated by the internal air flow is isolated through the first sound insulation layer and the second sound insulation layer, partial kinetic energy of the waste gas is converted into kinetic energy of the rotation of the fan blades through the wind shield, the flow velocity of the waste gas is reduced, then the flow velocity of the waste gas is greatly reduced through the spiral vent pipe, and the flow distance and the path of the waste gas are increased, so that the flow velocity of the waste gas can be effectively reduced as a whole;

2. the air inlet pipe is connected with the medical oxygen generator through the first threaded connecting pipe, so that waste gas of the medical oxygen generator can be discharged into the air inlet pipe, the air inlet pipe and the air outlet pipe are connected with the connection on the speed reducing pipe in a falling-in-place mode through the second threaded connecting pipe and the third threaded connecting pipe respectively, the air inlet pipe, the air outlet pipe and the speed reducing pipe are convenient to mount and dismount through the threaded connection mode, inspection and maintenance are convenient, and compared with the prior art, the use convenience is improved;

3. the exhaust gas is discharged from the spiral vent pipe through the vent holes and enters the vent pipe, then enters the vent branch pipes through the vent pipe, and then is discharged to the outside through the vent branch pipes, so that the exhaust gas can be discharged in time, the exhaust bypass is increased, the exhaust speed is reduced, and the exhaust rate is not reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a cross-sectional side view of the retarder tube of the present invention.

Fig. 3 is a cross-sectional view of an exhaust pipe of the present invention.

FIG. 4 is a cross-sectional view of the tube wall structure of the intake tube, the retarder tube and the exhaust tube of the present invention.

Fig. 5 is a schematic view of the structure of the intake pipe of the present invention.

FIG. 6 is a schematic view of an exhaust hanger of the present invention.

FIG. 7 is a schematic view of a retarder structure according to the present invention.

The reference signs are: the air inlet pipe comprises an air inlet pipe 1, a speed reducing mechanism 2, an exhaust pipe 3, an anti-impact brushing layer 4, a first sound insulation layer 5, a second sound insulation layer 6, a protective layer 7, a speed reducing pipe 8, a cavity 9, a bearing 10, a rotating shaft 11, a wind shield 12, fan blades 13, a transparent window 14, a spiral vent pipe 15, an air vent hole 16, a rubber retainer ring 17, a first threaded connecting pipe 18, a second threaded connecting pipe 19, a third threaded connecting pipe 20, a connecting screw hole 21, a ventilation branch pipe 22 and a dust cover 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The exhaust silencing pipe for the medical oxygen generator shown in the figures 1-7 comprises an air inlet pipe 1, wherein one end of the air inlet pipe 1 is connected with a retarding mechanism 2, one end of the retarding mechanism 2 is connected with an exhaust pipe 3, and the pipe walls of the air inlet pipe 1, the retarding mechanism 2 and the exhaust pipe 3 are sequentially provided with an anti-scouring layer 4, a first sound insulation layer 5, a second sound insulation layer 6 and a protective layer 7 from inside to outside;

the retarding mechanism 2 comprises a retarding pipe 8, a plurality of cavities 9 are symmetrically arranged inside the pipe wall of the retarding pipe 8, a bearing 10 is fixedly arranged inside the cavity 9, a rotating shaft 11 is fixedly arranged inside the bearing 10, a wind shield 12 is fixedly arranged at one end, far away from the cavity 9, of the rotating shaft 11, a fan blade 13 is fixedly arranged at one end, located inside the cavity 9, of the rotating shaft 11, and a transparent window 14 is fixedly arranged outside the cavity 9;

a spiral vent pipe 15 is fixedly arranged inside the exhaust pipe 3, a plurality of vent holes 16 are arranged on the surface of the spiral vent pipe 15 in a penetrating manner, and a rubber check ring 17 is fixedly arranged inside each vent hole 16;

the anti-scouring layer 4 is made of quartz materials, and the quartz materials have high hardness and wear resistance, so that the loss of the pipeline is effectively reduced;

the first sound insulation layer 5 is made of an aluminum honeycomb perforated sound-absorbing board material, the aluminum honeycomb perforated sound-absorbing board is structurally composed of a perforated panel and a perforated back board, the aluminum honeycomb core is directly bonded with a high-quality adhesive to form an aluminum honeycomb sandwich structure, a layer of sound-absorbing cloth is attached among the honeycomb core, the panel and the back board, and the honeycomb core in the honeycomb aluminum board is divided into a plurality of closed cells, so that air flow is prevented, sound waves are blocked, and the sound absorption coefficient is improved;

the second sound insulation layer 6 is made of sound absorption cotton material, the sound absorption cotton is artificial inorganic fiber, natural ore such as quartz sand, limestone, dolomite and the like is adopted as main raw material, and chemical raw materials such as sodium carbonate, borax and the like are matched to be melted into glass, and the glass is blown into flocculent fine fiber by means of external force in a melting state, and the fiber are crossed and intertwined with each other to present a plurality of fine gaps, so that sound waves can be effectively absorbed, and a good sound absorption effect is achieved;

the protective layer 7 is made of stainless steel materials, the stainless steel materials have high strength, the pipeline can be prevented from being punctured by external sharp objects, meanwhile, the pipeline can be prevented from being corroded, and the service life of the pipeline is prolonged.