CN213118001U

CN213118001U - Nitrogen discharging silencer for oxygenerator

Info

Publication number: CN213118001U
Application number: CN202022048455.4U
Authority: CN
Inventors: 刘杭州; 叶汉荣; 庞耀权
Original assignee: Foshan Care Medical Technology Co ltd
Current assignee: Foshan Care Medical Technology Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-04
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses an oxygenerator is with arranging nitrogen muffler, include: arrange nitrogen pipe and setting and be in arrange the amortization cotton in the nitrogen pipe, its characterized in that arrange nitrogen pipe's air inlet position and be equipped with the check valve arrange nitrogen pipe is equipped with first cavity and second cavity in, first cavity pass through first blast pipe with second cavity intercommunication, the second cavity pass through the second blast pipe with arrange nitrogen pipe's gas outlet and connect. During actual work, nitrogen discharged by the oxygen generator enters the expansion type silencing part consisting of the first cavity, the second cavity, the first exhaust pipe and the second exhaust pipe through the air inlet one-way valve, and enters the silencing cavity for sound absorption and cotton silencing after being silenced by the expansion type silencing part. Compared with the prior art, the utility model discloses an inflation amortization, inhale the structure that cotton amortization of sound and check valve combined together, not only simple structure, noise cancelling effect are good, avoid outside air to pass through inside the muffler gets into the oxygenerator moreover, guarantee molecular sieve oxygen production efficiency.

Description

Nitrogen discharging silencer for oxygenerator

Technical Field

The utility model relates to the technical field of accessories of oxygenerator, especially, relate to a nitrogen discharging muffler for oxygenerator.

Background

The traditional oxygen generator separates oxygen from air by utilizing molecular sieve physical adsorption and desorption technology and discharges nitrogen. The oxygen generator can generate larger noise when discharging nitrogen, and the existing oxygen generator is generally provided with a nitrogen discharging silencing device. But traditional nitrogen discharging silencing device only silences through simple amortization cotton, and the long-term inside amortization cotton that uses drops easily, and life is short, and the noise is big to noise cancelling effect is not high.

In the prior art, a structure similar to a sound-absorbing plate and a speed-reducing plate is adopted to prolong a noise transmission path and enhance a sound-absorbing effect. As described in chinese utility model publication No. CN 210065163U. However, this technique requires many acoustical panels and speed reduction panels to achieve good results, and is complicated in structure. In addition, because the working characteristics of the molecular sieve can not wade, the nitrogen discharge channel of the existing nitrogen discharge silencing device is always communicated with the outside, and when nitrogen is discharged, external air easily enters the inside of the oxygen generator, so that the working performance of the molecular sieve is influenced, and the oxygen generation efficiency is reduced.

Disclosure of Invention

To the problem that exists among the prior art, the utility model aims to provide a good just does not influence the oxygenerator of molecular sieve working property with arranging nitrogen muffler of amortization effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A nitrogen discharge silencer for an oxygen generator, comprising: arrange nitrogen pipe and setting and be in arrange the amortization cotton in the nitrogen pipe, its characterized in that arrange nitrogen pipe's air inlet position and be equipped with the check valve arrange nitrogen pipe is equipped with first cavity and second cavity in, first cavity pass through first blast pipe with second cavity intercommunication, the second cavity pass through the second blast pipe with arrange nitrogen pipe's gas outlet and connect.

More preferably, the first exhaust pipe and the second exhaust pipe are both located in the second cavity, and ports of the first exhaust pipe and the second exhaust pipe are arranged in a staggered mode.

More preferably, the air inlet of the first cavity forms the air inlet of the nitrogen discharge pipeline, and the one-way valve is detachably mounted in the first cavity.

More preferably, a plurality of connecting seats are arranged at the position of the air inlet of the nitrogen discharge pipeline, and each connecting seat comprises a flange arranged around the nitrogen discharge pipeline and a connecting hole formed on the flange.

More preferably, each of the connection seats is uniformly arranged around the nitrogen discharge pipe.

More preferably, the silencing cotton is arranged at the position of the air outlet of the nitrogen discharge pipeline.

More preferably, a separate silencing cavity is connected to the position of the air outlet of the nitrogen discharge pipeline, and the silencing cotton is arranged in the silencing cavity; the silencing cavity is detachably connected with the nitrogen discharge pipeline.

More preferably, the nitrogen discharging pipeline is composed of a first shell and a second shell which are mutually detachable, the first cavity is formed in the first shell, and the second cavity is enclosed by the first shell and the second shell.

The utility model has the advantages that:

firstly, during actual work, nitrogen gas discharged by the oxygen generator enters an expansion type silencing part formed by a first cavity, a second cavity, a first exhaust pipe and a second exhaust pipe through an air inlet one-way valve, and enters a silencing cavity for sound absorption and cotton silencing after being silenced by the expansion type silencing part. Compared with the prior art, the utility model discloses an inflation amortization, inhale the structure that cotton amortization of sound and check valve combined together, not only simple structure, noise cancelling effect are good, avoid outside air to pass through inside the muffler gets into the oxygenerator moreover, guarantee molecular sieve oxygen production efficiency.

And secondly, the sound absorption cotton is arranged in a special and detachable silencing cavity, so that the installation, fixation and integral replacement of the silencing cotton are facilitated.

Drawings

Fig. 1 is a schematic structural view of the nitrogen discharging silencer according to the present invention.

Fig. 2 is a cross-sectional view of the nitrogen discharging silencer according to the present invention.

Fig. 3 is a schematic diagram of the operation of the nitrogen discharging silencer according to the present invention.

Description of reference numerals:

1: nitrogen discharge pipe, 2: noise reduction cotton, 3: one-way valve, 4: first cavity, 5: second cavity, 6: first exhaust pipe, 7: second exhaust pipe, 8: silencing chamber, 9: a connecting seat.

1-1: first housing, 1-2: a second housing.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

As shown in fig. 1 and 2, a nitrogen discharging silencer for an oxygen generator includes: arrange nitrogen pipe 1 and setting and be in arrange the cotton 2 of amortization in nitrogen pipe 1, its characterized in that arrange nitrogen pipe 1's air inlet position and be equipped with check valve 3 be equipped with first cavity 4 and second cavity 5 in arranging nitrogen pipe 1, first cavity 4 through first blast pipe 6 with second cavity 5 intercommunication, second cavity 5 through second blast pipe 7 with arrange nitrogen pipe 1's gas outlet and connect.

Wherein, first blast pipe 6 with second blast pipe 7 is the straight tube, and all is located in the second cavity 5, compact structure. In other embodiments, the first exhaust pipe and the second exhaust pipe are bent pipes and are arranged away from each other, which is not limited to this embodiment. In particular, to ensure a better sound deadening effect, it is preferable that the ports of the first exhaust pipe 6 and the second exhaust pipe 7 be offset.

In this embodiment, the nitrogen exhaust pipe 1 is composed of a first casing 1-1 and a second casing 1-2 which are detachable from each other, the first cavity 4 is formed in the first casing 1-1, and the second cavity 5 is enclosed by the first casing 1-1 and the second casing 1-2. A separate silencing cavity 8 is connected to the position of the air outlet of the nitrogen discharge pipeline 1, and the silencing cotton 2 is arranged in the silencing cavity 8; the silencing cavity 8 is detachably connected with the nitrogen discharge pipeline 1. The benefit of setting up like this is, the processing of the nitrogen discharging pipeline of not only being convenient for, can be very convenient moreover clean, change first blast pipe 6, second blast pipe 7 and amortization chamber 8.

Further, the air inlet of the first cavity 4 forms the air inlet of the nitrogen discharge pipeline 1, and the one-way valve 3 is detachably mounted on the air inlet of the first cavity 4. A plurality of connecting seats 9 are uniformly arranged at the position of the air inlet of the first cavity 4, and each connecting seat 9 comprises a flange arranged around the nitrogen discharge pipeline and a connecting hole formed on the flange. In practical application, the nitrogen discharge pipeline 1 is fixedly connected with the oxygen generator by using screws penetrating through the connecting holes, and is convenient to install and use.

In particular, in this embodiment, the detachable finger is connected and installed by a screw. Of course, according to different actual needs, the threaded connection may be replaced by other detachable connection structures such as snap connection and riveting, and is not limited to this embodiment.

Referring to fig. 3, the nitrogen discharging silencer for an oxygen generator according to the present embodiment has the following working principles: nitrogen discharged by the oxygen generator enters an expansion type silencing part consisting of a first cavity 4, a second cavity 5, a first exhaust pipe 6 and a second exhaust pipe 7 through an air inlet one-way valve 3, and enters a silencing cavity 8 for sound absorption and cotton silencing after being silenced by the expansion type silencing part.

Compared with the prior art, the nitrogen discharging silencer for the oxygenerator that this embodiment provided adopts the structure that the inflation amortization, the cotton amortization of sound absorption and check valve combined together, and not only simple structure, noise cancelling effect are good, avoid outside air to pass through inside the muffler gets into the oxygenerator moreover, guarantee molecular sieve oxygen production efficiency. Simultaneously, inhale the cotton setting of sound in special, detachable amortization intracavity, make things convenient for the cotton installation of amortization fixed and whole change.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims

1. A nitrogen discharge silencer for an oxygen generator, comprising: arrange nitrogen pipe and setting and be in arrange the amortization cotton in the nitrogen pipe, its characterized in that arrange nitrogen pipe's air inlet position and be equipped with the check valve arrange nitrogen pipe is equipped with first cavity and second cavity in, first cavity pass through first blast pipe with second cavity intercommunication, the second cavity pass through the second blast pipe with arrange nitrogen pipe's gas outlet and connect.

2. The nitrogen discharging silencer for the oxygenerator as recited in claim 1, wherein the first exhaust pipe and the second exhaust pipe are both located in the second cavity, and ports of the first exhaust pipe and the second exhaust pipe are arranged in a staggered manner.

3. The muffler of claim 1, wherein the inlet of the first chamber forms an inlet of the nitrogen discharge pipe, and the one-way valve is detachably mounted in the first chamber.

4. The muffler of claim 1, wherein a plurality of connecting seats are provided at the position of the inlet of the nitrogen discharge pipe, and each connecting seat comprises a flange provided around the nitrogen discharge pipe and a connecting hole formed on the flange.

5. The muffler of claim 4, wherein the connecting seats are uniformly arranged around the nitrogen discharge pipe.

6. The nitrogen discharging silencer for an oxygen generator as claimed in claim 1, wherein the silencing cotton is installed at a position of an air outlet of the nitrogen discharging pipe.

7. The nitrogen discharging silencer for the oxygenerator as recited in claim 1 or 6, characterized in that a separate silencing chamber is connected to the outlet of the nitrogen discharging pipe, and the silencing cotton is arranged in the silencing chamber; the silencing cavity is detachably connected with the nitrogen discharge pipeline.

8. The muffler of claim 1, wherein the nitrogen discharge pipe is composed of a first housing and a second housing that are detachable from each other, the first cavity is formed in the first housing, and the second cavity is enclosed by the first housing and the second housing.