Medical exhaust and noise reduction device

Abstract

The utility model belongs to the technical field of noise reduction devices, and particularly relates to a medical exhaust noise reduction device which comprises a first pipeline and a second pipeline, a conversion ventilation noise reduction box is arranged between the first pipeline and the second pipeline, a plurality of airflow partition plates are fixedly connected to the conversion ventilation noise reduction box and distributed in a staggered mode, and the airflow partition plates are connected with the conversion ventilation noise reduction box. Noise reduction circulation cavities are formed between the airflow partition plate and the conversion ventilation noise reduction box, and the speed of airflow is reduced through the multiple noise reduction circulation cavities. Noise reduction circulation cavities are formed between the airflow partition plate and the conversion ventilation noise reduction box, the conversion ventilation noise reduction box is arranged at the bent pipeline for exhausting, the airflow speed is reduced through the multiple noise reduction circulation cavities, noise is reduced under the action of the sound insulation cotton, the interior of the noise reduction circulation cavities can be operated through the sealing cover plate, and the noise reduction effect is improved. And the phenomenon that noise is easily generated due to the fact that the speed and the direction of airflow are changed due to pipeline bending in the exhaust process is reduced, so that the noise generated when equipment runs can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of noise reduction device, specifically related to a medical exhaust noise reduction device. BACKGROUND

[0002] The medical oxygen generator can cooperate with the treatment of cardiovascular, respiratory system, chronic obstructive pulmonary emphysema and other diseases, and the rehabilitation of hypoxia disease. Oxygen inhalation can improve the oxygen supply of the body and achieve the purpose of nourishing and health care. It is suitable for people of different degrees of physiological hypoxia, such as the elderly, the weak, pregnant women, college students, etc. It can also eliminate fatigue and restore body function after heavy physical or mental consumption.

[0003] When the airflow passes through the exhaust pipe, the inlet pipe and the outlet pipe need to be connected to the corresponding equipment respectively. Under the influence of the environment and the direction setting, the phenomenon of pipeline bending may occur. The bending of the pipeline may change the speed and direction of the airflow, which may produce noise and increase the noise during equipment operation. UTILITY MODEL CONTENT

[0004] The utility model provides a medical exhaust noise reduction device, has reduced the phenomenon that the speed and direction of airflow may change due to pipeline bending in exhaust, can reduce the noise during equipment operation.

[0005] The utility model provides the following technical scheme: a medical exhaust noise reduction device, including first pipeline and second pipeline, be equipped with conversion ventilation noise reduction box between first pipeline and second pipeline, conversion ventilation noise reduction box is fixedly connected with a plurality of airflow baffle, a plurality of airflow baffles staggered distribution, airflow baffle with conversion ventilation noise reduction box between having noise reduction flow circulation cavity, airflow passes through a plurality of noise reduction flow circulation cavity and reduces the speed, conversion ventilation noise reduction box outside inserts the sealing cover plate, closes noise reduction flow circulation cavity.

[0006] Among them, conversion ventilation noise reduction box is equipped with air inlet hole, first pipeline is linked together with air inlet hole.

[0007] Among them, conversion ventilation noise reduction box is equipped with exhaust hole, second pipeline is linked together with exhaust hole.

[0008] Among them, the airflow baffle outside fixedly connected with the sound insulation cotton, airflow is located in conversion ventilation noise reduction box and passes through airflow baffle.

[0009] Among them, the sealing cover plate both sides are fixedly connected with the limit insert plate, and the limit insert plate is inserted in conversion ventilation noise reduction box.

[0010] Two fixed pins are inserted into the conversion ventilation noise reduction box, and the two fixed pins are respectively inserted into two limiting plates.

[0011] The conversion ventilation noise reduction box is provided with two installation grooves, and the limiting plate and the fixed pin are located in the installation grooves.

[0012] The beneficial effects of the present application are as follows:

[0013] The conversion ventilation noise reduction box is fixedly connected with a plurality of airflow baffles, the plurality of airflow baffles are staggered distributed, the airflow baffle and the conversion ventilation noise reduction box have a noise reduction flow cavity, the conversion ventilation noise reduction box is arranged at the curved pipeline, the airflow enters the noise reduction flow cavity, the airflow speed is reduced by the plurality of noise reduction flow cavities, the noise is reduced under the action of the sound insulation cotton, the noise reduction flow cavity is operated through the sealing cover plate, the airflow speed and direction are changed due to the curved pipeline, the noise is easily generated, and the noise during equipment operation is reduced.

[0014] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the present application;

[0016] Figure 2 It is a front view of the present application;

[0017] Figure 3 It is a structural schematic view of the inside of the conversion ventilation noise reduction box in the present application;

[0018] Figure 4 It is a structural schematic view of the fixed pin in the present application;

[0019] In the figure: 1, conversion ventilation noise reduction box; 11, noise reduction flow cavity; 12, airflow baffle; 13, sound insulation cotton; 14, installation groove; 15, air inlet hole; 16, exhaust hole; 2, sealing cover plate; 21, limiting plate; 3, fixed pin; 4, first pipeline; 5, second pipeline. DETAILED DESCRIPTION

[0020] Please refer to Figures 1-4The utility model provides the following technical scheme: including first pipeline 4 and second pipeline 5, be equipped with the conversion ventilation noise reduction box 1 between first pipeline 4 and second pipeline 5, the conversion ventilation noise reduction box 1 is fixedly connected with a plurality of airflow baffle 12, a plurality of airflow baffle 12 staggered distribution, airflow baffle 12 with conversion ventilation noise reduction box 1 between having noise reduction flow cavity 11, airflow passes through a plurality of noise reduction flow cavity 11 and reduces speed, the conversion ventilation noise reduction box 1 outside inserts the sealing cover plate 2, carries out closed noise reduction flow cavity 11.

[0021] In the embodiment: first pipeline 4 and second pipeline 5 can be connected equipment's air inlet end respectively, and use end, in exhaust passage, make oxygen generator gas be in normal flow state, pass through being equipped with the conversion ventilation noise reduction box 1 between first pipeline 4 and second pipeline 5, the conversion ventilation noise reduction box 1 is fixedly connected with a plurality of airflow baffle 12, a plurality of airflow baffle 12 staggered distribution, airflow baffle 12 with conversion ventilation noise reduction box 1 between having noise reduction flow cavity 11, set up conversion ventilation noise reduction box 1 exhaust at the curved pipeline, can make airflow enter into noise reduction flow cavity 11, by multiple noise reduction flow cavity 11 and reduce airflow speed, and reduce the generation of noise under the action of soundproofing cotton 13, and through sealing cover plate 2 can operate in noise reduction flow cavity 11, reduce the speed and direction of airflow due to pipeline bending in exhaust, easy to produce the phenomenon of noise, thereby can reduce the noise when equipment operation, when operating sealing cover plate 2, make two limit insert plates 21 insert into mounting groove 14, then pass through using fixed peg 3 from conversion ventilation noise reduction box 1 inserts, enters into the limit insert plate 21 of mounting groove 14, thereby completes the closure of conversion ventilation noise reduction box 1, when removing, pull out fixed peg 3, make sealing cover plate 2 leave conversion ventilation noise reduction box 1, thereby can expose the inside of noise reduction flow cavity 11, can carry out some operations of replacing soundproofing cotton 13 processing in noise reduction flow cavity 11.

[0022] Conversion ventilation noise reduction box 1 is provided with air inlet hole 15, and first pipeline 4 is communicated with air inlet hole 15;Airflow can enter into conversion ventilation noise reduction box 1 through air inlet hole 15.

[0023] Conversion ventilation noise reduction box 1 is provided with exhaust hole 16, and second pipeline 5 is communicated with exhaust hole 16;When airflow passes through conversion ventilation noise reduction box 1, can be discharged from second pipeline 5 through exhaust hole 16.

[0024] Airflow baffle 12 outside is fixedly connected with soundproofing cotton 13, and airflow is located in conversion ventilation noise reduction box 1 and passes through airflow baffle 12;Airflow enters into noise reduction flow cavity 11, by multiple noise reduction flow cavity 11 and reduce airflow speed, and reduce the generation of noise under the action of soundproofing cotton 13.

[0025] The sealing cover plate 2 is fixedly connected with limiting insertion plates 21 on both sides, and the limiting insertion plates 21 are inserted into the conversion ventilation and noise reduction box 1; the limiting insertion plates 21 can position the installation position of the sealing cover plate 2, and facilitate the use of the sealing cover plate 2.

[0026] The conversion ventilation and noise reduction box 1 is provided with two fixed insertion pins 3, the two fixed insertion pins 3 are respectively inserted into the two limiting insertion plates 21, the conversion ventilation and noise reduction box 1 is provided with two installation grooves 14, and the limiting insertion plates 21 and the fixed insertion pins 3 are located in the installation grooves 14; when the sealing cover plate 2 is operated, the two limiting insertion plates 21 are inserted into the installation grooves 14, then the fixed insertion pins 3 are inserted into the conversion ventilation and noise reduction box 1 and enter the limiting insertion plates 21 in the installation grooves 14, so that the conversion ventilation and noise reduction box 1 is closed, and when the conversion ventilation and noise reduction box 1 is removed, the fixed insertion pins 3 are pulled out, and the sealing cover plate 2 is separated from the conversion ventilation and noise reduction box 1.

[0027] The working principle and use process of the utility model are as follows: the first pipeline 4 and the second pipeline 5 can be connected with the air inlet end and the use end of equipment respectively, and the oxygen generator gas is in a normal flow state in the exhaust passage, the conversion ventilation and noise reduction box 1 is arranged between the first pipeline 4 and the second pipeline 5, the conversion ventilation and noise reduction box 1 is fixedly connected with a plurality of airflow baffles 12, the plurality of airflow baffles 12 are staggered, the airflow baffle 12 and the conversion ventilation and noise reduction box 1 have a noise reduction flow cavity 11, the conversion ventilation and noise reduction box 1 exhaust is arranged at the curved pipeline, the airflow can enter the noise reduction flow cavity 11, the airflow speed is reduced by the plurality of noise reduction flow cavities 11, the noise is reduced under the action of the soundproof cotton 13, the sealing cover plate 2 can be used to operate the noise reduction flow cavity 11, the speed and direction of the airflow are changed due to the pipeline bending, and the noise is easily generated, so that the noise during equipment operation can be reduced, when the sealing cover plate 2 is operated, the two limiting insertion plates 21 are inserted into the installation grooves 14, then the fixed insertion pins 3 are inserted into the conversion ventilation and noise reduction box 1 and enter the limiting insertion plates 21 in the installation grooves 14, so that the conversion ventilation and noise reduction box 1 is closed, when the conversion ventilation and noise reduction box 1 is removed, the fixed insertion pins 3 are pulled out, and the sealing cover plate 2 is separated from the conversion ventilation and noise reduction box 1, so that the inside of the noise reduction flow cavity 11 can be exposed, and some operations of replacing the soundproof cotton 13 in the noise reduction flow cavity 11 can be performed.

Claims

1. A medical exhaust noise reduction device comprising a first conduit (4) and a second conduit (5), characterized in that: The first pipeline (4) and the second pipeline (5) are provided with a conversion ventilation noise reduction box (1), the conversion ventilation noise reduction box (1) is fixedly connected with a plurality of airflow baffles (12), a plurality of airflow baffles (12) are staggered distribution, the airflow baffle (12) and the conversion ventilation noise reduction box (1) between the noise reduction flow cavity (11) have, airflow passes through a plurality of noise reduction flow cavities (11) to reduce speed, the conversion ventilation noise reduction box (1) outside is inserted with a sealing cover plate (2), the noise reduction flow cavity (11) is closed.

2. The medical exhaust noise reduction device of claim 1, wherein: The conversion ventilation noise reduction box (1) is provided with an air inlet hole (15), and the first pipeline (4) is communicated with the air inlet hole (15).

3. The medical exhaust noise reduction device of claim 1, wherein: The conversion ventilation noise reduction box (1) is provided with an air outlet hole (16), and the second pipeline (5) is communicated with the air outlet hole (16).

4. The medical exhaust noise reduction device of claim 1, wherein: The airflow baffle (12) outside is fixedly connected with sound insulation cotton (13), and airflow is located in the conversion ventilation noise reduction box (1) and passes through the airflow baffle (12).

5. The medical exhaust noise reduction device of claim 1, wherein: The sealing cover plate (2) both sides are fixedly connected with a limiting plug-in plate (21), and the limiting plug-in plate (21) is inserted in the conversion ventilation noise reduction box (1).

6. A medical exhaust noise reduction device according to claim 5, wherein: The conversion ventilation noise reduction box (1) is inserted with two fixed pins (3), and the two fixed pins (3) are respectively inserted in the two limiting plug-in plates (21).

7. A medical exhaust noise reduction device according to claim 6, wherein: The conversion ventilation noise reduction box (1) is provided with two installation grooves (14), and the limiting plug-in plate (21) and the fixed pin (3) are located in the installation groove (14).

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