CN214837121U

CN214837121U - Low-noise vacuum pump for oxygenerator

Info

Publication number: CN214837121U
Application number: CN202022516974.9U
Authority: CN
Inventors: 姚瑜; 束法云
Original assignee: Jiangsu Qiangli Electromechanical Technology Co ltd
Current assignee: Jiangsu Qiangli Electromechanical Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-11-23
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a low noise vacuum pump for oxygenerator, including the bottom plate, the upper surface of bottom plate is provided with main part mechanism, and main part mechanism's upper end is provided with heat dissipation amortization mechanism, the beneficial effects of the utility model are that: carry out preliminary elimination through the rubber pad, all the other noises are isolated by the shell that gives sound insulation, wherein the louvre is the most serious position of propagation noise, through setting up first cavity and second cavity, the heat dissipation fan blows in the interior breather pipe with caloric gas, gaseous aperture through interior breather pipe surface gets into first cavity and second cavity, then get into the outer breather pipe through outer breather pipe surface aperture, discharge to external environment at last, the sound wave is when getting into first cavity and second cavity, in the diffuse reflection in the cavity, the sound wave energy is absorbed by heat dissipation incasement wall, only a small amount of sound waves spread through outer breather pipe, the noise has been subdued greatly, external noise when reducing oxygenerator, be favorable to using better the recovering of oxygen patient.

Description

Low-noise vacuum pump for oxygenerator

Technical Field

The utility model relates to a vacuum pump technical field specifically is a low noise vacuum pump for oxygenerator.

Background

The low-noise vacuum pump for oxygen generator is one medical vacuum pump with one inlet and one outlet for sucking air and exhaust nozzle separately and capable of forming vacuum or negative pressure continuously at the inlet; positive pressure is formed at the exhaust nozzle; the working medium is mainly gas, and is an instrument with small volume, and is used for providing air pressure to enable the molecular sieve to adsorb nitrogen in the oxygen production process.

The vacuum pump that current oxygenerator was used, at the during operation, rotate through the eccentric wheel and form the atmospheric pressure difference, the rethread check valve realizes that the negative pressure is breathed in and is exerted pressure and exhaust, and the eccentric wheel can produce vibrations when carrying out high-speed rotation, has higher noise, influences patient and resumes, consequently needs a low noise vacuum pump.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low noise vacuum pump for oxygenerator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low noise vacuum pump for oxygenerator, includes the bottom plate, the upper surface of bottom plate is provided with main part mechanism, main part mechanism's upper end is provided with heat dissipation amortization mechanism.

Preferably, the main body mechanism comprises a sound insulation shell, the sound insulation shell is fixedly connected to the upper surface of the bottom plate through bolts, the upper surface of the bottom plate is fixedly connected with a rubber pad, a fixing plate is arranged on the upper surface of the rubber pad, one end of the upper surface of the fixing plate is fixedly connected with a pump body, one end of the pump body is fixedly connected with a motor, a first through hole is formed in one end of the upper surface of the sound insulation shell, a second through hole is formed in one side surface of the sound insulation shell, an air suction pipe is fixedly communicated with the output end of the pump body, and an exhaust pipe is fixedly communicated with the output end of the pump body.

Preferably, heat dissipation amortization mechanism is including leading to the groove, the inside of leading to the groove is fixed to be pegged graft and is had the heat dissipation case, the inside of heat dissipation case is provided with first cavity and second cavity, the one end that the heat dissipation case is close to first cavity is fixed to be pegged graft and is had outer breather pipe, the one end that the heat dissipation case is close to the second cavity is fixed to be pegged graft and is had interior breather pipe, the lower extreme surface of heat dissipation case is seted up flutedly, the inside fixedly connected with heat dissipation fan of recess.

Preferably, the fixing plate and the rubber pad are fixedly connected to the center of the upper surface of the base plate through a bolt.

Preferably, the outer breather pipe and the inner breather pipe are communicated with the first chamber and the second chamber through small surface holes.

Preferably, the outer vent pipe and the inner vent pipe are arranged in a staggered manner.

Compared with the prior art, the beneficial effects of the utility model are that: carry out preliminary elimination through the rubber pad, all the other noises are isolated by the shell that gives sound insulation, wherein the louvre is the most serious position of propagation noise, through setting up first cavity and second cavity, the heat dissipation fan blows in the interior breather pipe with caloric gas, gaseous aperture through interior breather pipe surface gets into first cavity and second cavity, then get into the outer breather pipe through outer breather pipe surface aperture, discharge to external environment at last, the sound wave is when getting into first cavity and second cavity, in the diffuse reflection in the cavity, the sound wave energy is absorbed by heat dissipation incasement wall, only a small amount of sound waves spread through outer breather pipe, the noise has been subdued greatly, external noise when reducing oxygenerator, be favorable to using better the recovering of oxygen patient.

Drawings

FIG. 1 is a front view of the structure of the present invention;

fig. 2 is a top view of the structure of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

fig. 4 is a structural side view of the present invention;

fig. 5 is a top view of the motor structure of the present invention.

In the figure: 1. a base plate; 2. a main body mechanism; 21. a rubber pad; 22. a fixing plate; 23. a motor; 24. a pump body; 25. a sound-insulating housing; 26. a first through hole; 27. an air intake duct; 28. a second through hole; 29. an exhaust pipe; 3. a heat dissipation and noise reduction mechanism; 31. a through groove; 32. a heat dissipation box; 33. a first chamber; 34. a second chamber; 35. an outer breather pipe; 36. an inner vent pipe; 37. a groove; 38. a heat dissipation fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a low noise vacuum pump for oxygenerator, includes bottom plate 1, and the upper surface of bottom plate 1 is provided with main part mechanism 2, and the upper end of main part mechanism 2 is provided with heat dissipation amortization mechanism 3.

Main body mechanism 2 is including sound insulation shell 25, sound insulation shell 25 passes through bolt fixed connection at the upper surface of bottom plate 1, bottom plate 1's last fixed surface connects rubber pad 21, the upper surface of rubber pad 21 is provided with fixed plate 22, the upper surface one end fixedly connected with pump body 24 of fixed plate 22, the one end fixedly connected with motor 23 of the pump body 24, first through-hole 26 has been seted up to sound insulation shell 25's upper surface one end, second through-hole 28 has been seted up to sound insulation shell 25's a side surface, the fixed intercommunication of the output of the pump body 24 has breathing pipe 27, the fixed intercommunication of the output of the pump body 24 has blast pipe 29, sound insulation shell 2 and rubber pad 21 can effectively block the noise that the pump body 24 produced.

Heat dissipation amortization mechanism 3 is including leading to groove 31, the inside of leading to groove 31 is fixed to be pegged graft and is had heat dissipation case 32, the inside of heat dissipation case 32 is provided with first cavity 33 and second cavity 34, heat dissipation case 32 is close to the fixed grafting of one end of first cavity 33 and has outer breather pipe 35, heat dissipation case 32 is close to the fixed grafting of one end of second cavity 34 and has interior breather pipe 36, recess 37 has been seted up on the lower terminal surface of heat dissipation case 32, recess 37's inside fixedly connected with heat dissipation fan 38, heat dissipation amortization mechanism 3 is through the amortization processing when the heat dissipation, prevent that the noise from spreading out from the louvre.

The fixed plate 22 and the rubber pad 21 are fixedly connected to the center of the upper surface of the bottom plate 1 through bolts, so that noise can be reduced conveniently.

The outer vent pipe 35 and the inner vent pipe 36 are communicated with the first chamber 33 and the second chamber 34 through small surface holes, so that heat dissipation is facilitated through gas exchange.

The outer vent tubes 35 and the inner vent tubes 36 are staggered to facilitate sound wave damping in the first chamber 33 and the second chamber 34.

Specifically, when the utility model is used, the bottom plate 1 is fixedly connected inside the oxygen generator, the oxygen generator sucks gas through the vacuum pump and pressurizes the gas to be sent into the molecular sieve, the vacuum pump is in the working process, the internal eccentric wheel enables the pump body 24 and the motor 23 to vibrate when rotating at high speed, and then noise is caused, the vibration of the pump body 24 and the motor 23 is preliminarily eliminated through the rubber pad 21, and other noises are isolated by the sound insulation shell 25, wherein the heat dissipation holes are the parts with the most serious propagation noise, through arranging the first cavity 33 and the second cavity 34, the heat dissipation fan 38 blows the gas containing heat into the inner vent pipe 36, the gas enters the first cavity 33 and the second cavity 34 through the small holes on the surface of the inner vent pipe 36, then enters the outer vent pipe 35 through the small holes on the surface of the outer vent pipe 35, and is finally discharged to the external environment, when the sound wave enters the first cavity 33 and the second cavity 34, in diffuse reflection in the cavity, sound wave energy is absorbed by the inner wall of the heat dissipation box, only a small amount of sound waves are transmitted out through the outer vent pipe 35, noise is greatly reduced, external noise when the oxygen generator generates oxygen is reduced, and better recovery of oxygen patients is facilitated.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A low-noise vacuum pump for an oxygenerator comprises a bottom plate (1), and is characterized in that a main body mechanism (2) is arranged on the upper surface of the bottom plate (1), and a heat dissipation and noise reduction mechanism (3) is arranged at the upper end of the main body mechanism (2);

the main body mechanism (2) comprises a sound insulation shell (25), the sound insulation shell (25) is fixedly connected to the upper surface of the bottom plate (1) through bolts, the upper surface of the bottom plate (1) is fixedly connected with a rubber pad (21), a fixing plate (22) is arranged on the upper surface of the rubber pad (21), one end of the upper surface of the fixing plate (22) is fixedly connected with a pump body (24), one end of the pump body (24) is fixedly connected with a motor (23), one end of the upper surface of the sound insulation shell (25) is provided with a first through hole (26), one side surface of the sound insulation shell (25) is provided with a second through hole (28), the output end of the pump body (24) is fixedly communicated with an air suction pipe (27), and the output end of the pump body (24) is fixedly communicated with an air exhaust pipe (29);

radiating silencing mechanism (3) are including leading to groove (31), the inside fixed grafting that leads to groove (31) has heat dissipation case (32), the inside of heat dissipation case (32) is provided with first cavity (33) and second cavity (34), the one end that heat dissipation case (32) is close to first cavity (33) is fixed to be pegged graft and has outer breather pipe (35), the one end that heat dissipation case (32) is close to second cavity (34) is fixed to be pegged graft and has interior breather pipe (36), the lower terminal surface of heat dissipation case (32) is seted up flutedly (37), the inside fixedly connected with heat dissipation fan (38) of recess (37).

2. The low noise vacuum pump for an oxygen generator as set forth in claim 1, wherein: the fixed plate (22) and the rubber pad (21) are fixedly connected to the center of the upper surface of the bottom plate (1) through bolts.

3. The low noise vacuum pump for an oxygen generator as set forth in claim 1, wherein: the outer vent pipe (35) and the inner vent pipe (36) are communicated with the first chamber (33) and the second chamber (34) through small surface holes.

4. The low noise vacuum pump for an oxygen generator as set forth in claim 1, wherein: the outer vent pipe (35) and the inner vent pipe (36) are arranged in a staggered mode.