Silencing structure and atomizer

Abstract

The utility model relates to the technical field of medical instruments, in particular to a silencing structure and an atomizer. The utility model provides a silencing structure. The silencing structure comprises a box body and an upper cover, a first air inlet and a second air outlet are formed in the upper cover; a second air inlet and a first air outlet are formed in the box body; a first cavity and a second cavity are formed in the box body; the first cavity is communicated with the first air inlet and the first air outlet; the second cavity is communicated with the second air outlet and the first air inlet; and the upper cover and the box body are buckled with each other to form a closed structure. The utility model further provides an atomizer. The atomizer comprises the silencing structure. The noise reduction structure is simple in structure and convenient to assemble on the atomizer, the noise reduction effect of the atomizer can be improved, the atomizer can output gas with stable pressure and flow speed, the use experience of a user is improved, and the use requirement of the user is met.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a silencer structure and an atomizer. Background Art

[0002] With the development of medicine, atomization therapy is widely used in respiratory system diseases, such as cough, asthma, rhinitis, bronchitis, pneumoconiosis and other diseases occurring in the trachea, bronchi, alveoli, and chest cavity. At present, the commonly used medical atomizers for atomization therapy include ultrasonic atomizers, air compression atomizers and mesh atomizers. However, the density of the aerosol produced by the ultrasonic atomizer is large, and the oxygen partial pressure in the airway is relatively low after inhalation. Patients with hypoxia or hypoxemia need to use it with caution or cannot use it for a long time, resulting in a small scope of use. Although the mesh atomizer has the characteristics of both a compressed atomizer and an ultrasonic atomizer, its spraying method is to use tiny ultrasonic vibrations and a mesh spray head structure to spray, but it is expensive, and it is mainly a home medical atomizer for pediatric asthma patients. The compressed atomizer has a wide range of use, but the compressed air atomizer will generate noise during operation. Through research, it has been found that due to the ventilation cycle of the inlet and outlet air during the use of the atomizer, it has different degrees of noise problems. Therefore, the noise problem of compressed air atomizers is still the main problem to be solved during product design.

[0003] In order to alleviate the problem that the noise generated during the operation of the atomizer affects the user experience, the present application provides a silencer structure and an atomizer. Utility Model Content

[0004] The utility model aims to provide a noise reduction structure and an atomizer to solve the problem in the prior art that the atomizer generates excessive noise during operation, affecting the user's experience.

[0005] The technical solution of the utility model is: a sound-absorbing structure, comprising a box body and an upper cover; wherein a first cavity and a second cavity are arranged in the box body; a partition is arranged between the first cavity and the second cavity; the end surfaces of the partition biased toward the first cavity and the second cavity are both constructed to be non-planar.

[0006] Preferably, the upper cover is provided with a first air inlet and a second air outlet; the box body is provided with a second air inlet and a first air outlet; the first cavity is connected with the first air inlet and the first air outlet; the second cavity is connected with the second air outlet and the second air inlet; the upper cover and the box body are buckled together to form a closed structure.

[0007] Preferably, the partition is a convex structure, and part of the inner wall of the first cavity is configured as a concave structure and part of the inner wall of the second cavity is configured as a convex structure.

[0008] Preferably, a guide plate is disposed inside at least one of the first cavity and the second cavity.

[0009] Preferably, a guide plate is provided in the second cavity; the guide plate is a curved structure.

[0010] Preferably, the gas flows into the first cavity through the first gas inlet and then flows out through the first gas outlet; the gas flows into the second cavity through the second gas inlet and then flows out through the second gas outlet;

[0011] At least one gas filter is arranged on the flow path of the gas.

[0012] Preferably, a gas filter is provided on the first air inlet.

[0013] Preferably, the first air inlet and the second air outlet are recessed in the upper cover to form a cylindrical cavity, and the gas filter is embedded in the cylindrical cavity.

[0014] Preferably, part of the end surface of the box body is planar, and the other part is convex, and the first air outlet and the second air inlet are arranged on a side of the convex structure that is biased towards the planar end surface.

[0015] The utility model also provides an atomizer, which comprises the above-mentioned silencing structure.

[0016] Compared with the prior art, the advantages of the utility model are:

[0017] (1) The utility model provides a silencer structure and an atomizer, which can effectively reduce the airflow noise in the cavity and adjust the airflow pressure of the gas. The silencer structure has a simple structure and is easy to assemble on the atomizer. It can improve the noise reduction effect of the atomizer including the silencer structure, and is also conducive to the atomizer outputting gas with stable pressure and flow rate, thereby improving the user experience and meeting the user's usage needs.

[0018] (2) The utility model provides a muffler structure, in which a partition is arranged between a first cavity and a second cavity, and the partition is a convex structure; in the first cavity, the protruding part of the convex structure partition is equivalent to a baffle, that is, equivalent to a baffle arranged in the first cavity, which prolongs the circulation process of the air in the first cavity, is more conducive to slowing down the flow rate of the gas, weakening the airflow energy of the gas, and thus reducing the airflow noise of the gas; in the second cavity, the protruding part of the convex structure partition increases the space of the second cavity, which can weaken the pressure of the gas in the second cavity, and the protruding part of the partition cooperates with the guide plate and the stepped structure bottom plate to extend the airflow passage in the second cavity, increase the airflow circulation process of the gas, weaken the airflow energy of the gas, thereby stabilizing the airflow speed of the gas, reducing the airflow noise, and at the same time adjusting the gas pressure, so that the atomizer including the muffler structure outputs gas with stable pressure and flow rate, avoiding excessive pressure and flow rate of the output gas and excessive airflow noise, which affects the user's experience when using it. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] Figure 1 It is a three-dimensional diagram of the noise reduction structure of the utility model;

[0021] Figure 2 This is a front view of the noise reduction structure of the utility model;

[0022] Figure 3 It is a rear view of the noise reduction structure of the utility model;

[0023] Figure 4 It is a right side view of the noise reduction structure of the utility model;

[0024] Figure 5 It is a cross-sectional view of the muffler structure of the utility model along the AA direction of the right view;

[0025] Figure 6 It is a three-dimensional diagram of the noise reduction structure of the utility model;

[0026] Figure 7 It is an exploded view of the noise reduction structure of the utility model;

[0027] Figure 8 It is an exploded view of the noise reduction structure of the utility model;

[0028] Among them: 1. box body; 2. upper cover; 3. first air inlet; 4. second air outlet; 31. gas filter; 5. connecting hole; 6. first cavity; 7. second cavity; 61. partition; 71. bottom plate; 8. guide plate; 10. second air inlet; 9. first air outlet; 32. cylindrical cavity; 11. connecting groove; 22. connecting part. DETAILED DESCRIPTION

[0029] The following is a further detailed description of the present invention in conjunction with specific embodiments:

[0030] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside", "side", "bottom", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred to components must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0031] like Figure 1 As shown, a sound-absorbing structure includes a box body 1 and an upper cover 2; wherein, as Figure 2 , Figure 3 , Figure 4 As shown, the upper cover 2 is provided with a first air inlet 3 and a second air outlet 4, and the box body 1 is provided with a second air inlet 10 and a first air outlet 9; Figure 5 As shown, the box body 1 is provided with a first cavity 6 and a second cavity 7; the first cavity 6 and the second cavity 7 are separated by a partition 61, and the partition 61 is a convex structure; the partition 61 makes part of the inner wall of the first cavity 6 configured as a concave structure, and makes part of the inner wall of the second cavity 7 configured as a convex structure. A guide plate 8 is also provided in the second cavity 7; and the guide plate 8 is a curved structure. In addition, the bottom plate 71 of the second cavity 7 near the second air outlet 4 is a stepped structure. The first cavity 6 is connected to the first air inlet 3 and the first air outlet 9; the second cavity 7 is connected to the second air outlet 4 and the second air inlet 10.

[0032] like Figure 6 As shown, part of the end surface of the box body 1 is planar, and the other part of the end surface is convex, and the first air outlet 9 and the second air inlet 10 are arranged on the side of the convex structure that is biased towards the planar end surface.

[0033] like Figure 7 , Figure 8As shown, the first air inlet 3 and the second air outlet 4 are recessed in the upper cover 2 to form a cylindrical cavity 32, and the gas filter 31 is embedded in the cylindrical cavity 32. After the gas flows into the first cavity 6 from the first air inlet 3, it flows into the device connected to the muffler structure through the first air outlet 9; the gas output by the device connected to the muffler structure flows into the second cavity 7 from the second air inlet 10, and then flows out through the second air outlet 4; at least one gas filter 31 can be set on the flow path of the gas. In this embodiment, the gas filter 31 is set at the first air inlet 3 to purify dust particles, bacteria, etc. in the air. In addition, in this embodiment, the gas filter 21 can be detachable, and can be removed for cleaning, disinfection, etc. during use; if the gas filter 21 is installed at other positions on the flow path of the gas, it can also be set to be detachable.

[0034] like Figure 7 , Figure 8 As shown, the upper cover 2 is provided with a protruding connection portion 22, and the box body 1 is provided with a connection groove 11. The upper cover 2 and the box body 1 are buckled together through the connection portion 22 and the connection groove 11 to form a closed structure, forming a sound-absorbing structure. A connection hole 5 is provided on the left and right sides of the upper cover 2, respectively, to facilitate the installation of the sound-absorbing structure on its connection device.

[0035] In this embodiment, the partition 61 is a convex structure, and its protruding part is equivalent to a baffle set in the first cavity 6, which can weaken the flow rate of the gas in the first cavity 6, reduce the airflow energy of the gas, and thus reduce the airflow noise in the first cavity 6; the protruding part of the partition 61 can also increase the space of the second cavity 7 and reduce the pressure of the gas in the second cavity 7, and the partition 61 cooperates with the guide plate 8 and the bottom plate 71 to form a narrow and tortuous airflow passage, slowing down the flow rate of the gas, thereby reducing the airflow energy of the gas, and at the same time adjusting the pressure of the gas to make the pressure of the output gas more stable.

[0036] An atomizer comprises the above-mentioned silencer structure.

[0037] The second air inlet 10 of the above-mentioned silencer structure is connected to the air outlet of the atomizer through an interface connecting tube; the first air outlet 9 is connected to the air inlet of the atomizer through an interface connecting tube; the second air outlet 4 is connected to the atomizer cup externally connected to the atomization structure through a connecting tube.

[0038] After being filtered by the gas filter 31, the air enters the first cavity 6 of the silencer structure through the first air inlet 3. The filtered gas passes through the first cavity 6 and enters the nebulizer through the first air outlet 9, the interface connecting tube and the air inlet of the nebulizer; the gas processed by the nebulizer enters the second cavity 7 through the air outlet of the nebulizer, the interface connecting tube and the second air inlet 10 of the silencer structure; the gas passes through the airway circulation formed by the guide plate 8 in the second cavity 7, the bottom plate 71 of the stepped structure and the partition plate 61 of the convex structure, and outputs the gas with constant pressure and flow through the first air outlet 4. The gas is input into the nebulizer cup connected to the outside of the nebulizer through the connecting tube, and the liquid medicine in the nebulizer cup is impacted into tiny particles, completing the atomization process of the liquid medicine.

[0039] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with this technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model.

Claims

1. A sound-absorbing structure, comprising a box body (1) and an upper cover (2), characterized in that: A first cavity (6) and a second cavity (7) are provided in the box body (1); a partition (61) is provided between the first cavity (6) and the second cavity (7); and end surfaces of the partition (61) that are biased toward the first cavity (6) and the second cavity (7) are both constructed to be non-planar.

2. A sound-absorbing structure according to claim 1, characterized in that: The upper cover (2) is provided with a first air inlet (3) and a second air outlet (4); the box body (1) is provided with a second air inlet (10) and a first air outlet (9); the first cavity (6) is connected to the first air inlet (3) and the first air outlet (9); the second cavity (7) is connected to the second air outlet (4) and the second air inlet (10); the upper cover (2) and the box body (1) are interlocked to form a closed structure.

3. A sound-absorbing structure according to claim 2, characterized in that: The partition (61) is a convex structure, and part of the inner wall of the first cavity (6) is configured as a concave structure, and part of the inner wall of the second cavity (7) is configured as a convex structure.

4. A sound-absorbing structure according to claim 3, characterized in that: A flow guide plate (8) is arranged inside at least one of the first cavity (6) and the second cavity (7).

5. A sound-absorbing structure according to claim 4, characterized in that: A flow guide plate (8) is arranged in the second cavity (7); the flow guide plate (8) is a curved structure.

6. A sound-absorbing structure according to claim 4, characterized in that: After the gas flows into the first cavity (6) through the first gas inlet (3), it flows out through the first gas outlet (9); after the gas flows into the second cavity (7) through the second gas inlet (10), it flows out through the second gas outlet (4); At least one gas filter (31) is arranged on the flow path of the gas.

7. A sound-absorbing structure according to claim 6, characterized in that: A gas filter (31) is provided on the first air inlet (3).

8. A sound-absorbing structure according to claim 7, characterized in that: The first air inlet (3) and the second air outlet (4) are recessed in the upper cover (2) to form a cylindrical cavity (32), and the gas filter (31) is embedded in the cylindrical cavity (32).

9. A sound-absorbing structure according to claim 8, characterized in that: Part of the end surface of the box body (1) is planar, and the other part is convex, and the first air outlet (9) and the second air inlet (10) are arranged on the side of the convex structure that is biased towards the planar end surface.

10. An atomizer, characterized in that: The atomizer comprises the silencer structure according to any one of claims 1 to 9.

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