Oxygen generator shell with air inlet and noise reduction functions

Abstract

The utility model relates to the technical field of household oxygenerators, and discloses an air inlet noise reduction oxygenerator shell, which comprises an oxygenerator shell and an air inlet arranged on the oxygenerator shell, an air inlet noise reduction box is arranged on the oxygenerator shell and at the air inlet, a plurality of independently arranged labyrinth cavities are arranged in the air inlet noise reduction box, and the labyrinth cavities are communicated with the air inlet noise reduction box. An air inlet silencing box is arranged in the maze cavity, an air outlet communicated with the maze cavity is formed in one side of the air inlet silencing box, a cover plate covers the air inlet silencing box, air inlet grids communicated with the maze cavity are uniformly arranged on the cover plate, and air entering the air inlet grids enters an inner cavity of the oxygen generator from the air outlet along the maze cavity. According to the utility model, the noise at the air inlet on the shell of the oxygen generator is effectively reduced, the influence on the air inlet amount can be reduced, the oxygen generation efficiency is ensured, and the overall assembly, disassembly and maintenance are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to domestic oxygen generator technical field, concretely is an oxygen generator casing of air intake noise reduction. BACKGROUND

[0002] Oxygen generator is a kind of machine for making oxygen, and the existing oxygen generator mainly utilizes molecular sieve physical adsorption and desorption technology, and by physical principle, the nitrogen in air can be adsorbed by compressor as power when pressurizing, and the remaining oxygen not absorbed is collected, and after purification, high-purity oxygen is obtained, the molecular sieve discharges the nitrogen adsorbed to the environment air when pressure reduction, and nitrogen can be adsorbed and oxygen can be prepared in the next pressurization, and the whole process is a periodic dynamic circulation process.

[0003] In the use process of the existing oxygen generator, the compressor is used to suck external air from the air inlet arranged on the oxygen generator casing as raw material for oxygen preparation.When sucking external air, the noise emitted from the air inlet position is much larger than that from other parts. The prior art lacks noise reduction processing measures or structure for effectively balancing the noise reduction and air intake of the oxygen generator air inlet. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides an oxygen generator casing with air intake noise reduction, which solves the problem of lack of noise reduction processing measures or structure for effectively balancing the noise reduction and air intake of the oxygen generator air inlet in the prior art.

[0006] (II) technical scheme

[0007] To achieve the above purpose, the utility model realizes the following technical scheme: an oxygen generator casing with air intake noise reduction, comprising an oxygen generator casing and an air inlet arranged on the oxygen generator casing, an air intake silencer is arranged on the oxygen generator casing and located at the air inlet, a plurality of independently arranged labyrinth cavities are arranged in the air intake silencer, one side of the air intake silencer is provided with an air outlet communicated with the labyrinth cavities, a cover plate is arranged on the air intake silencer, the cover plate is uniformly provided with air intake grids communicated with the labyrinth cavities, and the air entering the air intake grids enters the inner cavity of the oxygen generator from the air outlet along the labyrinth cavities.

[0008] Preferably, a stepped groove and a buckle groove are arranged on the oxygen generator casing at the air inlet, the upper part of the cover plate is connected with the buckle groove through a buckle piece, and the cover plate is arranged in the stepped groove.

[0009] Preferably, the upper portion of the buckle member is provided with two buckle protrusions, the two buckle protrusions are arranged on the front and rear sides of the buckle slot respectively, the end of the cover plate away from the buckle member is fixedly provided with a plug-in protrusion, and one side of the stepped groove is provided with a plug-in groove matched with the plug-in protrusion.

[0010] Preferably, the oxygen generator shell is uniformly provided with a plurality of connecting columns, and the air inlet silencer is provided with connecting ears matched with the connecting columns.

[0011] Preferably, the oxygen generator shell buckle is arranged on the oxygen generator base.

[0012] (Three) beneficial effects

[0013] The utility model has the following beneficial effects:

[0014] The air inlet noise reduction oxygen generator shell is provided with the air inlet silencer arranged in the air inlet and the labyrinth chamber arranged in the box cavity. Due to the added labyrinth air duct, when external air is sucked into the oxygen generator, the gas will pass through the labyrinth and then enter the inside after turning, and the noise will be weakened, so that the noise emitted from the air inlet position of the oxygen generator is cut off and reduced. At the same time, due to the air inlet grid uniformly arranged on the cover plate, the size of the air inlet amount can be effectively ensured, and the condition that the single air inlet amount of the oxygen generator is too small due to the labyrinth air duct in the labyrinth chamber is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the cover plate and the oxygen generator shell mounting structure of the utility model;

[0016] Figure 2 It is a schematic view of the air inlet silencer layout structure of the utility model;

[0017] Figure 3 It is a schematic view of the oxygen generator shell, air inlet silencer and cover plate split structure of the utility model;

[0018] Figure 4 It is a schematic view of the buckle slot layout structure of the utility model;

[0019] Figure 5 It is a schematic view of the buckle member structure of the utility model.

[0020] In the drawing: 1, oxygen generator base; 2, oxygen generator shell; 3, air inlet silencer; 4, air inlet; 5, stepped groove; 6, buckle slot; 61, plug-in groove; 7, cover plate; 8, buckle member; 81, buckle protrusion; 82, plug-in protrusion; 9, air inlet grid; 10, labyrinth chamber; 11, air outlet; 12, connecting ear; 13, connecting column. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figure 1 The utility model provides a kind of technical solutions: a kind of air intake noise reduction oxygen generator shell 2, including oxygen generator shell 2 and being arranged on the air inlet 4 of oxygen generator shell 2, air intake silencer box 3 is arranged on oxygen generator shell 2 and is located at air inlet 4, air intake silencer box 3 is arranged with several independent labyrinths 10, one side of air intake silencer box 3 is provided with the air outlet 11 being communicated with labyrinth 10, cover plate 7 is arranged on air intake silencer box 3, cover plate 7 is uniformly arranged with the air inlet grid 9 being communicated with labyrinth 10, the air entering in air inlet grid 9 enters the inner cavity of oxygen generator along labyrinth 10 from air outlet 11.

[0023] The utility model, by being arranged in air intake silencer box 3 of air inlet 4 and being arranged in the labyrinth 10 chamber of box cavity, due to the addition of labyrinth air duct, external air is inhaled into the inside of oxygen generator, gas will first pass through labyrinth, after turning, enter inside, noise will be weakened, so as to cut off and reduce the noise emitted from the air inlet position of oxygen generator. At the same time, due to the uniform arrangement of air inlet grid 9 on cover plate 7, the size of air intake amount can be effectively guaranteed, and the condition that oxygen generator single air intake amount is too small due to labyrinth air duct in labyrinth 10 is avoided.

[0024] Referring to Figure 1 With 4 As shown in the embodiment, step groove 5 and buckle groove 6 are arranged on oxygen generator shell 2 at air inlet 4, cover plate 7 is buckled and connected with buckle groove 6 through buckle 8 on the upper portion of cover plate 7, and cover plate 7 is arranged in step groove 5. By setting buckle groove 6 and buckle 8, cover plate 7 can be stably buckled and arranged on oxygen generator shell 2. At the same time, due to the arrangement of step groove 5, the fit after cover plate 7 is covered can be guaranteed, and the appearance of entire oxygen generator shell 2 is improved.

[0025] Referring to Figure 5As shown, in the embodiment, the upper portion of the buckle member 8 is provided with two buckle protrusions 81, and the two buckle protrusions 81 are respectively buckled and arranged on the front and rear sides of the buckle groove 6. The end of the cover plate 7 away from the buckle member 8 is fixedly provided with a plug-in protrusion 82, and one side of the stepped groove 5 is provided with a plug-in groove 61 matched with the plug-in protrusion 82. Through the arrangement of the buckle protrusion 81, the buckle member 8 can be stably buckled and arranged in the buckle groove 6. Through the arrangement of the plug-in protrusion 82 and the plug-in groove 61, the entire cover plate 7 can be stably buckled and arranged on the oxygen generator shell 2 in cooperation with the buckle protrusion 81.

[0026] Referring to Figure 2 With 3 As shown, in the embodiment, the oxygen generator shell 2 is uniformly provided with a plurality of connecting columns 13, and the air inlet sound reduction box 3 is one-to-one matched with connecting ears 12 matched with the connecting columns 13, and the connecting ears 12 and the connecting columns 13 are fixedly connected through screws. Through the arrangement of the connecting columns 13 and the connecting ears 12, the air inlet sound reduction box 3 can be conveniently installed and disassembled.

[0027] In the embodiment, the oxygen generator shell 2 is buckled and arranged on the oxygen generator base 1.

[0028] It should be noted that, in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the statement "includes a limited element" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An oxygen generator housing for noise reduction and air intake, comprising an oxygen generator housing and an air inlet disposed on the oxygen generator housing, characterized in that: An air intake silencer box is provided on the housing of the oxygen concentrator and located at the air inlet. The air intake silencer box contains several independently arranged labyrinth cavities. An air outlet communicating with the labyrinth cavities is provided on one side of the air intake silencer box. A cover plate is provided on the air intake silencer box. Air intake grids communicating with the labyrinth cavities are evenly arranged on the cover plate. Air entering through the air intake grids enters the inner cavity of the oxygen concentrator through the air outlet along the labyrinth cavities.

2. The oxygen generator housing with air intake noise reduction according to claim 1, characterized in that: The oxygen generator housing has a stepped groove and a snap-fit ​​groove at the air inlet. The upper part of the cover plate is snapped into the snap-fit ​​groove by a snap-fit ​​component, and the cover plate is closed and arranged in the stepped groove.

3. The oxygen generator housing with air intake noise reduction according to claim 2, characterized in that: The upper part of the buckle is provided with two buckle protrusions, which are respectively buckled on the front and rear sides of the buckle groove. The end of the cover plate away from the buckle is fixedly provided with a plug-in protrusion, and one side of the stepped groove is provided with a plug-in groove that cooperates with the plug-in protrusion.

4. An oxygen generator housing with air intake noise reduction according to any one of claims 1-3, characterized in that: The oxygen generator housing has a number of connecting posts evenly arranged on it, and the air inlet silencer box has connecting ears that match the connecting posts one by one. The connecting ears and the connecting posts are fixedly connected by screws.

5. The oxygen generator housing with air intake noise reduction according to claim 4, characterized in that: The oxygen generator housing is snapped onto the oxygen generator base.

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