An eye protection device for improving airway structure

Abstract

This invention provides an eye massager with an improved airway structure, belonging to the field of massage equipment technology. It includes a housing, an air supply pump, a massage airbag, and a conduit assembly. It also includes a buffer air chamber within the housing, which is a rigid air chamber with an air inlet and an air outlet. The conduit assembly includes a main pipe and branch pipes. The air supply pump is connected to the air inlet via the main pipe, and the massage airbag is connected to the air outlet via the branch pipes. By connecting the rigid buffer air chamber in series between the air supply pump and the massage airbag, the intermittent high-pressure pulse airflow from the micro reciprocating air pump can be directly suppressed, transforming the peak pressure pulsation into a stable and continuous airflow. This reduces the impact of the airflow on the subsequent valve plate and airbag, weakening valve plate impact noise and air column resonance noise. Significant noise reduction can be achieved without relying on passive noise reduction methods such as sound insulation cotton and shock-absorbing pads, achieving active noise reduction from the airflow source.

Description

Technical Field

[0001] This invention belongs to the field of massage equipment technology, specifically relating to an eye massager with an improved airway structure. Background Technology

[0002] With the widespread adoption of wearable health devices, foldable portable air pressure eye massagers have become a mainstream product for relieving eye strain. However, existing portable eye massagers generally suffer from the core problem of excessive operating noise, which seriously affects the user experience, especially in quiet scenarios such as before bed or during office breaks. Noise issues have become a factor restricting the competitiveness of these products.

[0003] The air circuit system of existing portable eye massagers generally adopts a structure in which a miniature air pump is directly connected to a solenoid valve and a massage airbag. Its noise mainly comes from three aspects: First, the intermittent airflow pulsation generated by the miniature reciprocating air pump, including diaphragm pumps and piezoelectric ceramic pumps, easily forms high-speed turbulence in the portable air circuit with a small diameter and short stroke, producing a sharp high-frequency whistling sound; Second, the pulsating airflow directly impacts the solenoid valve plate, causing the valve plate to vibrate at high frequency and generate noise; Third, the pulsating airflow output by the air pump is coupled with the natural frequency of the air circuit, which excites the air column resonance and further amplifies the noise.

[0004] To address the aforementioned noise issues, existing industry solutions primarily include adding shock-absorbing pads between the air pump and the housing, and filling the entire device with sound-absorbing cotton. However, these solutions are all passive noise reduction methods and cannot eliminate the core noise source—airflow pulsation—at its root. Their noise reduction effect is limited, and they also increase product weight, size, and cost, failing to meet the demand for ultra-thin and lightweight portable eye massagers.

[0005] Therefore, there is an urgent need to develop an improved airway structure that can suppress airflow pulsation and actively reduce operating noise from the airway structure, without increasing the product's size, weight, and cost, in order to solve the technical problems of existing portable eye massagers, such as high noise, poor noise reduction effect, and the contradiction with the goal of making them thinner and lighter. Summary of the Invention

[0006] To address the aforementioned technical problems, this invention provides an eye protection device with an improved airflow structure.

[0007] To achieve the above objectives, the present invention is accomplished by the following specific technical means:

[0008] An eye care device with an improved airway structure includes a housing, an air supply pump, a massage airbag, and a conduit assembly. It also includes a buffer air chamber disposed within the housing. The buffer air chamber is a rigid air chamber with an air inlet and an air outlet. The conduit assembly includes a main tube and branch tubes. The air supply pump is connected to the air inlet via the main tube, and the massage airbag is connected to the air outlet via the branch tubes.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] 1. By setting a rigid buffer air chamber in series between the air supply pump body and the massage airbag, the intermittent high-pressure pulse airflow output by the micro reciprocating air pump can be directly suppressed, and the peak pressure pulsation can be transformed into a stable and continuous airflow. This eliminates the high-frequency whistling caused by high-speed turbulence in the narrow diameter air path from the root. At the same time, it reduces the impact of the airflow on the subsequent valve plate and airbag, weakens the valve plate impact noise and air column resonance noise, and achieves significant noise reduction without relying on passive noise reduction methods such as sound insulation cotton and shock absorption pads. It achieves active noise reduction from the source of airflow.

[0011] 2. It adopts a built-in rigid buffer air chamber structure, which is small in size and compact in structure. It can be directly integrated into the existing space inside the eye massager shell without increasing the thickness, volume and weight of the whole device. It does not affect the product's folding, storage and portability. Moreover, the rigid air chamber does not have the aging and air leakage problems of flexible airbags. It has better air tightness and structural stability and a longer service life.

[0012] 3. The smooth airflow after being uniformized by the buffer air chamber makes the inflation and deflation process of the massage airbags more gentle and even, avoiding the harsh impact caused by sudden pressure rises and falls, and improving the comfort of eye massage; at the same time, it eliminates the problem of uneven massage intensity caused by air pump output fluctuations, ensuring the stability of massage intensity at different working stages.

[0013] 4. The buffer air chamber can buffer the output pulsation of the air pump, stabilize the back pressure of the air pump, reduce the load fluctuation of the air pump motor and diaphragm, reduce the high-frequency impact fatigue of the valve plate, and significantly extend the service life of core components such as the air supply pump body and valve body; at the same time, it reduces the vibration transmission of the air circuit system, suppresses the resonance of the whole machine casing, and further optimizes the user experience.

[0014] Furthermore, the effective volume of the buffer gas chamber (14) is V, where 3mL≤V≤10mL;

[0015] The ratio of the effective volume V of the buffer air chamber to the rated flow rate Q of the air supply pump (12) satisfies: 3 ≤ V / Q ≤ 9, where V is in mL and Q is in L / min. This allows the gas to be buffered within a limited space, avoiding both insufficient volume leading to unstable gas supply and excessive volume increasing product size and cost while affecting gas supply efficiency, thus ensuring a stable and appropriate gas supply. The V / Q ratio ensures that the output flow rate of the air supply pump matches the buffering and releasing capacity of the buffer air chamber, avoiding fluctuations in gas supply or gas stagnation within the chamber due to improper ratio, and guaranteeing uniform and stable inflation and deflation of the massage airbag.

[0016] Furthermore, the massage airbags are provided in two or more forms;

[0017] The cavity has two or more air outlets, and the massage airbags are connected to the corresponding massage airbags through the branch conduits;

[0018] Alternatively, the branch conduit includes a main branch conduit and shunt branch conduits. One end of the main branch conduit is connected to the air outlet of the cavity, and the other end is connected to each of the massage airbags via the shunt branch conduits. Multiple massage airbags can more comprehensively cover the area around the eyes, providing massage according to the characteristics of different parts of the eyes, thus improving user comfort. The multi-port corresponding connection method enables gas distribution, ensuring a stable air supply to each massage airbag and allowing control over the inflation and deflation process to meet diverse user massage needs. The main and secondary branch connection structure can evenly distribute the gas in the buffer air chamber to each massage airbag, optimizing the gas transmission process.

[0019] Based on the need to adapt to different pipeline structures, the valve body can be installed in the following manner:

[0020] The first method involves placing the valve body assembly on the main pipe. This method allows the valve body assembly to regulate the overall gas flow and pressure before the gas enters the buffer gas chamber from the gas supply pump. The gas entering the system can be conveniently and uniformly managed in the main pipe channel. For example, the gas supply intensity can be adjusted as needed, and the gas path control logic can be simplified, making maintenance easier.

[0021] The second type: In the case where the main branch conduit and the diversion branch conduit are provided, the valve body assembly is disposed between the main branch conduit and the diversion branch conduit; the second type is that in the case where the main branch conduit and the diversion branch conduit are provided, a valve body assembly is added and disposed between the main branch conduit and the diversion branch conduit. This arrangement can adjust the air supply for each massage airbag and adjust the gas flow rate and pressure according to the actual needs of different massage airbags.

[0022] Furthermore, the air supply pump body is a diaphragm pump or a piezoelectric ceramic pump.

[0023] Furthermore, the inner wall of the buffer air chamber is provided with several raised sound-absorbing textures. When gas flows within the buffer air chamber, the raised structure of the sound-absorbing textures can disperse the energy generated by friction and vibration between the gas and the chamber wall, disrupting the smoothness of the airflow, dispersing the concentrated airflow impact force, reducing strong vibrations, and lowering gas flow noise. This allows users to enjoy a quiet and comfortable massage experience without noise interference when using the eye massager. At the same time, the raised textures increase the contact area between the chamber wall and the gas, promoting more complete diffusion and mixing of the gas within the chamber, resulting in a more uniform pressure distribution. This optimizes the buffering effect of the buffer air chamber on the gas and prevents excessively high local pressure when the air supply pump delivers gas rapidly.

[0024] Furthermore, the air inlet and outlet of the cavity are arranged diagonally. This is a preferred arrangement, as the diagonal arrangement of the air inlet and outlet creates a gentler area between them, reducing noise.

[0025] Furthermore, the buffer air cavity is a spare cavity within the housing, and its external structure is adapted to the internal wall structure of the housing in the area where it is located.

[0026] Furthermore, a shock-absorbing pad is sandwiched between the buffer air chamber and the inner wall of the housing. When the buffer air chamber comes into contact with the housing, the shock-absorbing pad can reduce the collision between the two, thereby reducing noise and forming a protective mechanism between them. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of the shell, buffer air chamber, and massage airbag provided in the embodiments of this application;

[0028] Figure 2 This is a schematic diagram of the structure of the shell provided in an embodiment of this application;

[0029] Figure 3 This is a schematic diagram of the structure of the buffer air chamber, the air inlet of the chamber, and the air outlet of the chamber provided in the embodiments of this application.

[0030] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0031] 11. Shell; 12. Air pump body; 13. Massage airbag; 14. Buffer air chamber; 101. Air inlet of chamber; 102. Air outlet of chamber; 103. Main tube; 13-A. Airbag air inlet. Detailed Implementation

[0032] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of the invention.

[0033] This application provides an eye massager with an improved airway structure. A rigid buffer air chamber 14 is connected in series between the air supply pump body 12 and the massage airbag 13. The volume of the buffer air chamber is fixed. When the volume of the buffer air chamber changes, it will cause gas turbulence in the chamber. The buffer air chamber 14 can directly smooth the intermittent high-pressure pulse airflow output by the micro reciprocating air pump, transforming the peak pressure pulsation into a stable and continuous airflow. This eliminates the high-frequency whistling caused by high-speed turbulence in the narrow diameter airway from the source of airflow generation. At the same time, it also reduces the impact of airflow on the subsequent valve plate and airbag, weakening the noise generated by valve plate impact and air column resonance. This setting can achieve noise reduction without relying on traditional passive noise reduction methods such as sound insulation cotton and shock-absorbing pads. It truly achieves active noise reduction from the source of airflow, creating a quiet and comfortable user environment and solving the problem of traditional eye massagers affecting user experience due to loud airflow noise.

[0034] By adopting a built-in rigid buffer air chamber 14 structure, the existing space inside the eye massager housing 11 can be fully utilized. This structure is small and compact, and can be directly integrated into the housing 11 without increasing the thickness, volume, and weight of the entire device. This does not affect the product's folding, storage, and portability. Compared with traditional flexible airbags, the rigid air chamber has unparalleled advantages. It does not have the aging and air leakage problems that are prone to occur with flexible airbags. It performs better in terms of airtightness and structural stability, extending the product's service life and solving the problem of short service life caused by airbag issues in traditional eye massagers.

[0035] The smooth airflow, homogenized by the buffer air chamber 14, has a positive impact on the operation of the massage airbag 13. It makes the inflation and deflation of the massage airbag 13 more gentle and even, avoiding the harsh impact on the user caused by sudden pressure increases and decreases, thus improving the comfort of eye massage. The massage airbag 13 is equipped with an airbag inlet 13-A to provide an air intake channel, and each airbag inlet 13-A is connected to a corresponding air intake pipe. Simultaneously, this design also eliminates the problem of uneven massage intensity caused by fluctuations in air pump output, ensuring that the massage intensity remains stable at different stages of operation, thereby improving the massage effect and solving the problem of unstable massage intensity affecting the user experience in traditional eye massagers.

[0036] By setting the volume V of the buffer air chamber 14 within the range of 3mL ≤ V ≤ 10mL, and ensuring the ratio of the rated flow rate Q of the air supply pump body 12 to V satisfies 0.3mL / (L / min) ≤ V / Q ≤ 2.0mL / (L / min), the gas supply can be regulated. This allows the gas to be buffered within a limited space, avoiding both unstable gas supply due to excessively small volume and the drawbacks of excessively large volume, which increases product size and cost and affects gas supply efficiency. This achieves a stable gas supply at the perfect balance. Furthermore, the V / Q ratio ensures a match between the output flow rate of the air supply pump body 12 and the buffering and releasing capacity of the buffer air chamber 14, preventing gas supply fluctuations or gas stagnation within the chamber due to improper ratios. This guarantees uniform and stable inflation and deflation of the massage airbag 13, improving the stability and reliability of the product performance.

[0037] The V / Q ratio mentioned in this application refers to the ratio of the effective volume V (unit: mL) of the buffer gas chamber to the rated flow rate Q (unit: L / min) of the gas supply pump. It reflects the average residence time of the gas in the buffer gas chamber, and the calculation formula is: Average residence time t (s) = 0.06 × V / Q

[0038] When V / Q is 3-9, the corresponding average residence time is 0.18s-0.54s, which is long enough to completely suppress the pulsed airflow output by the air pump (the air pump pulse period is about 0.01-0.02s), and short enough to ensure the air path response speed.

[0039] Group Pump body type Rated flow rate Q (L / min) Effective volume V (mL) of the buffer gas chamber V / Q ratio Overall noise level at 10cm (dB (A)) Example 1 Miniature diaphragm pump 1 3 3 44 Example 2 Miniature diaphragm pump 1 4 4 43 Example 3 Miniature diaphragm pump 1 6 6 41 Example 4 Miniature diaphragm pump 0.8 6 7.5 40 Example 5 Ceramic piezoelectric pump 0.8 5 6.25 38 Endpoint Implementation Example 6 Miniature diaphragm pump 1 9 9 40 Endpoint Example 7 Miniature diaphragm pump 0.8 10 12.5 39 Comparative Example 1 (without buffered air chamber) Miniature diaphragm pump 1 0 - 54 Comparative Example 2 Miniature diaphragm pump 1 2 2 49 Comparative Example 3 Miniature diaphragm pump 1 12 12 39

[0040] The above are the corresponding embodiments and comparative examples, wherein the test conditions are as follows: Noise test: in a semi-anechoic chamber environment, at a distance of 10cm from the front of the eye protection device, the A-weighted sound level meter is used for measurement;

[0041] The comparison between the above embodiments and comparative examples shows that: when 3 ≤ V / Q ≤ 9, there is a significant noise reduction effect; when 5 ≤ V / Q ≤ 8, the overall performance is optimal. When V / Q < 3, the buffering capacity is insufficient, and the pulse airflow cannot be smoothed, resulting in a significant decrease in noise reduction effect; when V / Q > 9, i.e., comparative example 3, the air path response lag exceeds 180ms, while examples 1-7 are all less than 180ms, resulting in a sluggish massage rhythm and excessive space occupation, which does not meet the requirements of a portable foldable eye massager.

[0042] Having two or more massage airbags 13, and employing diverse connection methods between the air outlet 102 and the branch conduit, enhances the user's massage experience. Specifically, when two or more air outlets 102 are provided, and the massage airbags 13 are connected to their corresponding air outlets 102 via branch conduits, a one-to-one gas distribution method is achieved. Each massage airbag 13 receives a stable air supply, and its inflation and deflation processes can be controlled, thus meeting diverse user massage needs. Alternatively, when the branch conduit uses a combination of a main branch conduit and a shunt branch conduit, one end of the main branch conduit is connected to the air outlet 102, and the other end is connected to each massage airbag 13 via a shunt branch conduit. This main-secondary branch connection structure can evenly distribute the gas in the buffer air chamber 14 to each massage airbag 13, optimizing the gas transmission process. The placement of multiple massage airbags 13 can cover the peri-eye area, providing targeted massage based on the characteristics of different parts of the eye, improving user comfort and solving the problems of incomplete massage coverage and inability to meet personalized needs in traditional eye massagers.

[0043] To accommodate different pipeline structures, two valve body installation methods are provided.

[0044] The first method involves placing the valve assembly 104 on the main control pipe 103. This arrangement gives the valve assembly 104 the ability to macroscopically regulate the overall gas flow and pressure before the gas enters the buffer gas chamber 14 from the gas supply pump body 12. Along the main control pipe 103, the gas transmission channel, operators can conveniently manage the gas entering the entire system; the gas supply intensity can be adjusted according to actual needs to suit different users' habits or different massage modes. Furthermore, this layout simplifies the control logic of the gas path system, reduces the control complexity that may result from the dispersed location of the valve assembly 104, makes the gas path control of the entire eye massager clearer and easier to maintain, improves product maintainability, and solves the problems of difficult control and high maintenance costs associated with complex gas paths.

[0045] The second approach involves adding a valve assembly 104 between the main branch conduit and the shunt branch conduit, in addition to the existing main branch conduit and shunt branch conduit. This allows for the adjustment of the air supply to each massage airbag 13. Based on the actual needs of different massage airbags 13, the operator can adjust the gas flow and pressure of each massage airbag 13 through this valve assembly 104. When the user needs to perform differentiated massage on different areas of the eyes, the gas supply to each shunt branch conduit can be controlled through this valve assembly 104 to achieve different massage intensities and frequencies for each massage airbag 13. This better meets the user's personalized massage needs, further improves the massage effect and user experience, and solves the problem that traditional eye massagers cannot achieve massage adjustment.

[0046] In addition to the above methods of addition, there is another method of addition in the second case, which is to add the valve body assembly 104 to the diversion branch conduit. Its effect and function are the same as those described above, and will not be described again. In actual installation, one of them can be selected.

[0047] The gas supply pump body 12 is selected from diaphragm pumps or piezoelectric ceramic pumps. These two types of pumps have excellent performance in terms of gas supply stability and efficiency, and can provide reliable power support for the entire gas circuit system.

[0048] Several raised, sound-absorbing textures are provided on the inner wall of the buffer air chamber 14. When gas flows within the buffer air chamber 14, these textures disperse the energy generated by friction and vibration between the gas and the chamber wall. They disrupt the original smoothness of the airflow, dispersing the concentrated airflow impact force in multiple directions, thereby reducing the generation of strong vibrations and lowering the noise generated during gas flow. This allows users to enjoy a quiet and comfortable massage experience without being disturbed by noise when using the eye massager. Simultaneously, these raised textures increase the contact area between the chamber wall and the gas, promoting more thorough diffusion and mixing of the gas within the chamber, resulting in a more uniform pressure distribution. During rapid gas delivery by the air pump body 12, this prevents excessively high local pressure, further optimizing the buffering effect of the buffer air chamber 14 on the gas, improving the stability of the air path system, and solving the problems of high gas flow noise and uneven pressure distribution.

[0049] By arranging the air inlet 101 and air outlet 102 diagonally opposite each other, a relatively flat area is formed between them. Within this area, the gas flow is more stable, significantly reducing the likelihood of noise generation and thus further improving the product's noise reduction effect, solving the problem of noise generation caused by the air path structure.

[0050] The buffer air chamber 14 is placed in an empty cavity within the housing 11. This empty cavity can be a folding hinge cavity, a corner cavity, or a structural gap between various functional components of the housing. The structure of other cavities is shown in the figure and will not be described in detail. Its shape is adapted to the inner wall structure of the housing 11 in the area it occupies. This not only makes full use of the unused space within the housing 11 but also ensures the compactness and integrity of the entire internal structure of the eye massager. Simultaneously, a shock-absorbing pad is sandwiched between the buffer air chamber 14 and the inner wall of the housing 11. When the buffer air chamber 14 contacts the housing 11, the shock-absorbing pad can mitigate the collision between the two. This reduces noise generated by the collision and forms a protective mechanism between them, preventing damage to the buffer air chamber 14 and the housing 11 due to long-term vibration and friction. This improves the structural stability and durability of the product and solves the problems of internal structural collision noise and component fragility.

[0051] Working Principle: The air supply pump body 12 uses a diaphragm pump or piezoelectric ceramic pump, which excels in gas supply stability and efficiency. Upon startup, it generates intermittent high-pressure pulsed airflow, which enters the rigid buffer air chamber 14 connected in series through the main pipe 103. The buffer air chamber 14 not only transforms the peak pressure pulsations into a smooth and continuous airflow through its own structure, thus smoothing the airflow, but also relies on the raised sound-absorbing texture on its inner wall to disrupt the original smoothness of the airflow, disperse the energy generated by the friction and vibration between the gas and the chamber wall, reduce strong vibrations, and eliminate the high-frequency whistling caused by high-speed turbulence in the narrow-diameter air passage from the root, reducing valve plate impact and air column resonance noise, thus achieving active noise reduction. At the same time, the built-in rigid buffer air chamber 14 has a compact structure that can fit into the empty cavity inside the eye protection device housing 11, making full use of the idle space, ensuring a compact and integrated internal structure, and avoiding the aging and leakage problems of traditional flexible airbags, thus extending the product's lifespan.

[0052] A steady airflow is delivered to the massage airbags 13 via the air outlet 102 and branch conduits. Through various connection methods, such as multiple corresponding connections or connections between the main branch and branch conduits, air can be supplied to two or more massage airbags 13 to meet the massage needs of different parts of the eye. The valve assembly 104 has two layout options: positioned on the main guide pipe 103, it allows for macroscopic control of the overall gas flow and pressure before the gas enters the buffer air chamber 14, simplifying the air path control logic; positioned between the main branch conduit and the branch conduit, it allows for adjustment of the air supply to each massage airbag 13, meeting the user's personalized massage needs.

[0053] As a preferred method (not shown in the figure), the air inlet 101 and the air outlet 102 of the cavity are diagonally arranged to form a relatively flat area and reduce gas flow noise; a shock-absorbing pad is sandwiched between the buffer air cavity 14 and the inner wall of the shell 11 to reduce the collision between the two, thereby reducing collision noise and protecting the components, and improving the structural stability and durability of the product.

[0054] The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and to design various embodiments with various modifications suitable for a particular purpose.

Claims

1. An eye care device with an improved airway structure, comprising a housing (11), an air supply pump (12), a massage airbag (13), and a conduit assembly, characterized in that: It also includes a buffer air chamber (14) disposed in the housing (11), the buffer air chamber (14) is a rigid air chamber, which is provided with a cavity inlet (101) and a cavity outlet (102). The catheter assembly includes a main catheter (103) and branch catheters; The air supply pump body (12) is connected to the air inlet (101) of the cavity through the main pipe (103), and the massage airbag (13) is connected to the air outlet (102) of the cavity through the branch conduit.

2. The eye protection device with an improved airway structure as described in claim 1, characterized in that: The effective volume of the buffer gas chamber (14) is V, where 3mL≤V≤10mL; The ratio of the effective volume V of the buffer air chamber to the rated flow rate Q of the air supply pump body (12) satisfies: 3 ≤ V / Q≤ 9, where V is in mL and Q is in L / min.

3. The eye protection device with an improved airway structure as described in claim 1, characterized in that: The massage airbag (13) is provided in two or more parts; The cavity air outlet (102) is provided with two or more, and the massage airbag (13) is connected to the corresponding cavity air outlet (102) through the branch conduit; Alternatively, the branch conduit includes a main branch conduit and a shunt branch conduit, one end of the main branch conduit being connected to the air outlet (102) of the cavity, and the other end being connected to each of the massage airbags (13) through the shunt branch conduit.

4. The eye protection device with an improved airway structure as described in claim 1, characterized in that: It also includes a valve body assembly (104) disposed on the main pipe (103).

5. An eye care device with an improved airway structure as described in claim 3, characterized in that: It also includes a valve body assembly (104) for the case where the main branch conduit and the branch conduit are provided; The valve body assembly (104) is disposed between the main branch conduit and the diversion branch conduit, or the valve body assembly (104) is disposed on the diversion branch conduit.

6. The eye protection device with an improved airway structure as described in claim 1, characterized in that: The air supply pump body (12) is a diaphragm pump or a piezoelectric ceramic pump.

7. An eye care device with an improved airway structure as described in claim 1, characterized in that: The inner wall of the buffer air chamber (14) is provided with several raised sound-absorbing textures.

8. An eye care device with an improved airway structure as described in claim 1, characterized in that: The cavity air inlet (101) and the cavity air outlet (102) are arranged diagonally.

9. An eye care device with an improved airway structure as described in claim 1, characterized in that: The buffer air chamber (14) is a spare cavity inside the housing (11), and its external structure is adapted to the internal wall structure of the housing (11) in the area.

10. An eye care device with an improved airway structure as described in claim 1 or 9, characterized in that: A shock-absorbing pad is sandwiched between the buffer air chamber (14) and the inner wall of the shell (11).

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