Breathing mask and using method of mask based on air leakage prevention

Abstract

The invention belongs to the technical field of breathing masks, and particularly relates to a breathing mask and an air leakage prevention-based mask using method.The breathing mask comprises an overall assembly, the overall assembly comprises a mask body assembly, an expansion assembly is arranged on the rear side of the mask body assembly, and a pressure relief assembly is connected to the bottom of the mask body assembly; the module assembly comprises a base assembly connected to the front face of the expansion assembly, and any one of a breathing machine module and a filtering module is assembled on the base assembly. When the mask is worn, the touch feeling of the mask in contact with a patient can be improved, the overall sealing performance of the mask is improved, different functional modules can be replaced according to different scene requirements, the mask can switch functions according to requirements, the applicability of the device is improved, the device can cope with more scenes, and the user experience is improved. And when the air pressure in the mask is too high, the exhaust operation can be automatically performed, so that the discomfort of a patient caused by the too high pressure in the mask is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of breathing masks, and in particular relates to a breathing mask and a method for using the mask based on air leakage prevention. Background Art

[0002] In the field of medical treatment and personal protection, respiratory masks are key equipment and are widely used in various scenarios such as auxiliary treatment of respiratory diseases, first aid, occupational protection and environmental protection. However, respiratory masks on the market generally face problems such as single function, poor adaptability and insufficient sealing, which greatly limits their application scope and effect.

[0003] First, traditional respiratory masks are often designed for specific purposes, such as providing only air purification functions or being used only as a ventilator interface. This design results in the lack of flexibility of the mask when different medical needs or environmental changes occur. Users have to prepare multiple masks to meet different needs, which not only increases costs but also reduces the convenience of use.

[0004] Secondly, the tightness and comfort of the mask are crucial to its effectiveness. Most existing masks adopt standardized designs, which are difficult to meet the personalized needs of patients with different face shapes and sizes. The limitations of tightness adjustment cause some users to feel uncomfortable under facial pressure after wearing it for a long time, and even affect the sealing effect of the mask, increasing the risk of air leakage.

[0005] Furthermore, the sealing of the mask is directly related to its protective and therapeutic effects. Traditional masks are prone to air leakage due to improper materials, design or wearing, especially when the patient is active or the breathing intensity changes. This not only reduces the effectiveness of the mask, but may also cause discomfort and psychological pressure on the patient. Summary of the invention

[0006] The purpose of the present invention is to provide a breathing mask and a method for using the mask based on air leakage prevention, which can improve the tactile feel of the mask when it contacts the patient when the mask is worn, and improve the overall sealing of the mask when the mask is worn. Different functional modules can also be replaced according to different scene requirements, so that the mask can switch functions according to needs, improve the applicability of the device, cope with more scenes, and automatically perform exhaust operations when the air pressure in the mask is too high, thereby avoiding discomfort to the patient due to excessive pressure in the mask.

[0007] The technical solution adopted by the present invention is as follows: A breathing mask comprises an integral assembly, wherein the integral assembly comprises a mask body assembly, an expansion assembly is arranged at the rear side of the mask body assembly, and a pressure relief assembly is connected to the bottom of the mask body assembly; A module assembly, the module assembly comprising a base assembly connected to the front of the expansion assembly, the base assembly being equipped with any one of a ventilator module and a filter module; Wherein, the base assembly is adapted to the ventilator module and the filter module, and is used to replace different modules to achieve different functional effects; When the mask assembly is attached to the patient's face, the air delivered by the ventilator module is absorbed and expanded by the expansion assembly, driving the expansion assembly to attach to the patient's face, and the pressure relief assembly is used to reduce the air pressure in the mask assembly.

[0008] In a preferred embodiment, the mask body assembly includes a breathing mask, and elastic bands are fixedly connected to the left and right sides of the breathing mask. A positioning groove is provided on the rear side of the elastic band on the right side, and a positioning rod is fixedly connected to the rear side of the elastic band on the left side, and the positioning rod is movably inserted in the positioning groove.

[0009] In a preferred embodiment, the expansion assembly includes an air cavity opened on the rear side of the breathing mask, a silicone sleeve is fixedly connected to the rear side of the inner cavity of the air cavity, the silicone sleeve extends out of the rear side of the breathing mask, and air pipes are fixedly connected to the left and right sides of the breathing mask, the rear end of the air pipe is connected to the air cavity, the front middle part of the breathing mask is connected to an air intake pipe, the bottom of the outer ring of the air intake pipe is connected to a control valve, the bottom outlet of the control valve is connected to a shunt pipe, the top inlet of the air intake pipe is connected to the bottom outlet of the shunt pipe, the top of the inner cavity of the air intake pipe is slidably connected to a baffle plate, the inner cavity of the baffle plate is threadedly connected to a screw rod, the top end of the screw rod is rotatably connected to the top of the inner cavity of the air intake pipe, an electric heating pipe is fixedly installed in the middle of the inner cavity of the air intake pipe, and the top power connection of the electric heating pipe extends out of the air intake pipe.

[0010] In a preferred embodiment, the pressure relief assembly includes an exhaust pipe connected to the bottom surface of the breathing mask, the bottom of the exhaust pipe is connected to an exhaust valve, the top of the exhaust valve is fixedly connected to a detection head, the detection head extends into the inner cavity of the exhaust pipe, and the bottom outlet of the exhaust valve is connected to the exhaust hood.

[0011] In a preferred embodiment, the base assembly includes an additional ring fixedly connected to the outer ring of the front face of the intake pipe, the outer ring of the additional ring is provided with a limiting groove, the outer ring of the additional ring is provided with an empty groove in the limiting groove, and a blocking block is slidably connected in the empty groove, the rear end of the blocking block is fixedly connected to a spring, and the rear end of the spring is fixedly connected to the rear side of the inner cavity of the additional ring.

[0012] In a preferred embodiment, the ventilator module includes an adapter ring contacted and connected to the front side of the mounting ring, the rear inner ring of the adapter ring is fixedly connected to a limiting block, the limiting block is movably inserted in the limiting groove, the rear inner ring of the adapter ring is fixedly connected to a sealing tube, the sealing tube is movably inserted in the inner cavity of the mounting ring, the front side of the adapter ring is rotatably connected to a rotating tube, the bottom inner ring of the rotating tube is fixedly connected to an extrusion strip, the bottom inner ring of the rotating tube is provided with a tube insertion groove in the area inside the extrusion strip, the bottom outer ring of the rotating tube is movably sleeved with a rotating sleeve, and the inner ring of the rotating sleeve is threadedly connected to the outer ring of the extrusion strip.

[0013] In a preferred embodiment, the filter module comprises an additional block, a storage tube is fixedly connected to the front of the additional block, a cover is fixedly connected to the front of the storage tube, and filter material is placed in the inner cavity of the storage tube.

[0014] In a preferred solution, the structure of the additional block is the same as that of the adapter ring, and the additional block is also connected to the limit block.

[0015] In a preferred embodiment, an air pressure detector is integrated inside the exhaust valve, and the detection head is suitable for the air pressure detector to perform air pressure detection.

[0016] A method for using a mask based on air leakage prevention, applicable to the above-mentioned breathing mask, comprising: S1: Install a ventilator module or a filter module on the mounting ring according to your needs, push the limit block into the limit slot, and then rotate the limit block to the right so that the blocking block is pushed outward to block the limit block; S2: Place the respirator on the patient's face and secure it to the patient's face with an elastic band; S3: If the ventilator module is connected in S1, the ventilator pipeline is connected to the intubation slot and fixed by rotating the sleeve. At the same time, the blocking plate is lowered, and the control valve is opened to allow air to enter the air cavity through the shunt tube, so that the silicone sleeve expands until it fits the patient's face, and then the blocking plate is reset and the control valve is closed; S4: The detection head detects the air pressure in the breathing mask. If the air pressure is too high, the exhaust valve is controlled to open and exhaust air; S5: If you choose to connect the filter module in S1, you need to blow air into the air inlet pipe autonomously and repeat the process of expanding the silicone sleeve in S3. Then put the respirator on the face and fix it with an elastic band. At this time, the expanded silicone sleeve will fit the patient's face autonomously to ensure sealing.

[0017] The technical effects achieved by the present invention are: The mask assembly and expansion assembly of the present invention can improve the wearing feel of the patient when wearing the mask, and improve the sealing of the mask when using the mask; before using the mask, the entire mask assembly is placed on the patient's face, and the mask assembly is fixed to the patient's face through the elastic part of the mask assembly, at this time, the blocking part of the expansion assembly receives the gas input by the ventilator module, and guides it to the expansion part of the expansion assembly, so that it expands and contacts the patient's face, thereby using the full and soft expansion part to closely contact the patient's face, improving the touch and sealing, and after guiding the air, the blocking part can be controlled to rise and fall, thereby controlling the width of the path for air to enter the mask; The base assembly, ventilator module and filter module of the present invention can replace different functional modules according to different needs, so that the mask can switch different functions, improve the applicability of the device, and cope with more scenes; before the mask is worn, the ventilator module or the filter module can be installed on the base assembly according to needs. During installation, the limiting parts of the two groups of modules will enter the grooves of the base assembly, and then the blocking part of the base assembly will pop out to block the limiting part of the module to achieve fixation, so that different modules can be added according to needs. If it is necessary to replace the module, the blocking part of the base assembly is pushed back to the original position, and the limiting part of the module is taken out to complete the disassembly, so that when switching scenes, such as from bed to outdoor activities, the function of the mask can be switched arbitrarily, thereby adapting to different scenes and improving applicability; The pressure relief component of the present invention can automatically perform exhaust operations when the air pressure in the mask is too high, thereby avoiding discomfort to the patient due to excessive pressure in the mask; when the mask is in use, the detection part of the pressure relief component will continuously detect the air pressure in the mask. If the air pressure is too high, the exhaust part of the pressure relief component will automatically open, thereby exhausting the excess air in the mask and reducing the air pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a rear view schematic diagram of the whole of the present invention; Figure 3 is a rear view schematic diagram of the breathing mask of the present invention; Figure 4 is a schematic diagram of the position of the pressure relief component in the present invention; Figure 5 is a cross-sectional schematic diagram of the expansion assembly of the present invention; Figure 6 is a right side cross-sectional schematic diagram of the expansion assembly of the present invention; Figure 7 This is a diagram showing the descending effect of the blocking plate in the present invention; Figure 8This is a disassembly effect diagram of the ventilator module and the base assembly in the present invention; Fig. 9 It is a schematic diagram of the position of the ventilator module in the present invention; Fig.10 This is a split effect diagram of the adapter ring and the mounting ring in the present invention; Fig.11 It is a schematic diagram of the structure of the ventilator module in the present invention; Fig.12 It is a schematic diagram of the position of the tube insertion slot in the present invention; Fig.13 This is an installation effect diagram of the filter module in the present invention; Fig.14 It is a cross-sectional schematic diagram of the filter module in the present invention.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 10. Overall assembly; 11. Mask assembly; 111. Breathing mask; 112. Elastic band; 113. Positioning groove; 114. Positioning rod; 12. Expansion assembly; 121. Air cavity; 122. Silicone sleeve; 123. Air pipe; 124. Air inlet pipe; 125. Control valve; 126. Diverter pipe; 127. Blocking plate; 128. Screw rod; 129. Electric heating pipe; 13. Pressure relief assembly; 131. Exhaust pipe; 132. Exhaust valve; 133. Detection head; 134. Exhaust hood; 20. Module assembly; 21. Base assembly; 211. Mounting ring; 212. Limiting groove; 213. Block; 214. Spring; 22. Ventilator module; 221. Adapter ring; 222. Limiting block; 223. Sealing tube; 224. Rotating tube; 225. Extrusion strip; 226. Insertion groove; 227. Rotating sleeve; 23. Filter module; 231. Additional block; 232. Storage tube; 233. Cover; 234. Filter material. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0022] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The phrase "in a preferred embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0023] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0024] Embodiment 1: Please see attached Figure 1 , Figure 8 and Fig.13 As shown, it is the first embodiment of the present invention, which provides a breathing mask, including an integral assembly 10, the integral assembly 10 includes a mask assembly 11, an expansion assembly 12 is arranged at the rear side of the mask assembly 11, and a pressure relief assembly 13 is connected to the bottom of the mask assembly 11; A module assembly 20, the module assembly 20 comprises a base assembly 21 connected to the front of the expansion assembly 12, and any one of a ventilator module 22 and a filter module 23 is mounted on the base assembly 21; The base assembly 21 is adapted to the ventilator module 22 and the filter module 23, and is used to replace different modules to achieve different functional effects; When the mask assembly 11 is attached to the patient's face, the air delivered by the ventilator module 22 is absorbed and expanded by the expansion assembly 12, driving the expansion assembly 12 to fit the patient's face, and the pressure relief assembly 13 is used to reduce the air pressure in the mask assembly 11.

[0025] In this embodiment, during the wearing process, any one of the ventilator module 22 and the filter module 23 is selected and installed on the base assembly 21, and then the mask assembly 11 is placed on the patient's face and fixed. At this time, the expansion assembly 12 intercepts the air from the ventilator module 22 and guides it to the expansion part of the expansion assembly 12, so that it expands and contacts the patient's face, thereby improving the sealing effect. At the same time, when dealing with different medical scenarios or environmental changes, the user only needs to simply replace the module on the base assembly 21 to achieve rapid switching of the mask function. For example, in an indoor environment, you can choose to connect the ventilator module 22 to provide a stable oxygen supply for the patient; when you are outdoors, you can replace it with the filter module 23 to effectively block pollutants and harmful substances in the outside air. This design not only improves the applicability of the mask, but also greatly reduces the cost and difficulty of use for users. In addition, the integrated air pressure detector of the pressure relief assembly 13 can monitor the air pressure in the mask in real time. Once the air pressure is too high, it will automatically perform exhaust operations to ensure that the air pressure in the mask is always kept within a safe range.

[0026] Next, please refer to Figures 1 to 3 , Figures 5 to 7 The mask assembly 11 includes a breathing mask 111, and elastic bands 112 are fixedly connected to the left and right sides of the breathing mask 111. A positioning groove 113 is provided on the rear side of the elastic band 112 on the right side, and a positioning rod 114 is fixedly connected to the rear side of the elastic band 112 on the left side, and the positioning rod 114 is movably inserted into the positioning groove 113; The expansion assembly 12 includes an air cavity 121 opened at the rear side of the breathing mask 111, a silicone sleeve 122 is fixedly connected to the rear side of the inner cavity of the air cavity 121, and the silicone sleeve 122 extends out of the rear side of the breathing mask 111. The left and right sides of the breathing mask 111 are fixedly connected to air delivery pipes 123, and the rear end of the air delivery pipe 123 is connected to the air cavity 121. The front middle part of the breathing mask 111 is connected to an air inlet pipe 124, and the outer bottom of the air inlet pipe 124 is connected to a control valve 125. The control valve 125 is connected to the control valve 126. 5 is connected with a shunt pipe 126 at the bottom outlet, the top inlet of the air inlet pipe 124 is connected with the bottom outlet of the shunt pipe 126, the top of the inner cavity of the air inlet pipe 124 is slidably connected with a blocking plate 127, the inner cavity of the blocking plate 127 is threadedly connected with a screw rod 128, the top of the screw rod 128 is rotatably connected to the top of the inner cavity of the air inlet pipe 124, and an electric heating pipe 129 is fixedly installed in the middle of the inner cavity of the air inlet pipe 124, and the top of the electric heating pipe 129 extends out of the air inlet pipe 124.

[0027] It should be noted that a conical rubber pad is provided on the top of the positioning rod 114 to improve the stability of the connection with the positioning groove 113; A groove is provided at the bottom of the inner cavity of the air inlet pipe 124, and the blocking plate 127 is movably sleeved in the groove, so as to improve the sealing effect of the blocking plate 127, so that the air can completely pass through the control valve 125 and enter the diverter pipe 126; A handle is fixedly connected to the top of the screw rod 128 to facilitate driving the screw rod 128 to rotate; The electric heating tube 129 is a heat-conducting tube with a built-in heating wire, and the operating temperature of the electric heating tube 129 is less than 45 degrees Celsius. In cold weather, the electric heating tube 129 can heat the air entering the breathing mask 111 to avoid discomfort caused by cold air to the patient.

[0028] In this embodiment, when wearing the mask, the breathing mask 111 is placed on the patient's face, and the elastic band 112 is put on the patient's head, and the positioning rod 114 is inserted into the appropriate positioning groove 113 to fix the elastic band 112, so that the degree of tightness of the fixation is selected according to the size of the patient's head. When the breathing mask 111 is connected to the ventilator module 22, the rotating screw 128 controls the blocking plate 127 to descend, and the air inlet pipe 124 is blocked, so that the air introduced into the air inlet pipe 124 by the ventilator enters the shunt pipe 126 through the control valve 125, and then enters the air supply pipe 123 and the air cavity 121 through the shunt pipe 126, so that the silicone sleeve 122 expands and contacts the patient's face, improving the sealing performance and the wearing feel. After the expansion is in place, the control valve 125 needs to be closed immediately to avoid gas reflux, and the screw 128 and the blocking plate 127 are driven to reset at the same time, so that the oxygen introduced by the ventilator can enter the breathing mask 111 through the air inlet pipe 124. If the breathing mask 111 is connected to the filter module 23, it is necessary to actively blow air into the air inlet pipe 124 in advance to blow the silicone sleeve 122 until it is full before contacting it with the patient's face.

[0029] Next, please refer to Figure 3 to Figure 4 The pressure relief assembly 13 includes an exhaust pipe 131 connected to the bottom surface of the breathing mask 111, the bottom of the exhaust pipe 131 is connected to an exhaust valve 132, the top of the exhaust valve 132 is fixedly connected to a detection head 133, the detection head 133 extends into the inner cavity of the exhaust pipe 131, and the bottom outlet of the exhaust valve 132 is connected to an exhaust hood 134; An air pressure detector is integrated inside the exhaust valve 132, and the detection head 133 is suitable for the air pressure detector to perform air pressure detection.

[0030] It should be noted that the breathing mask 111 can be connected to the mains to supply energy to the electrical components, or it can be supplied to the electrical components by an external energy storage device such as an external battery; The exhaust valve 132 is a one-way valve that can only exhaust gas but cannot allow gas to enter the breathing mask 111. A cavity is provided in the exhaust hood 134. If necessary, filtering materials can be installed in the exhaust hood 134 to prevent the exhaust valve 132 from being in an open state when the air is discharged, and external dust and bacteria from entering the breathing mask 111 through air convection.

[0031] In this embodiment, when the device is in use, the detection head 133 will detect the air pressure in the breathing mask 111 in real time. If the air pressure exceeds the preset safety range, the exhaust valve 132 will respond quickly and automatically open the passage of the exhaust pipe 131, so that the excess gas can be safely discharged through the exhaust hood 134, thereby effectively preventing the discomfort caused to the patient by the excessive air pressure in the mask. In addition, the one-way design of the exhaust valve 132 ensures that the gas can only flow out in one direction, preventing the reverse invasion of external pollutants, and further ensuring the patient's breathing safety. The entire pressure relief process is rapid and accurate, without the need for manual intervention, which greatly improves the convenience and safety of mask use.

[0032] Next, please refer to Figures 8 to 14 The base assembly 21 includes a mounting ring 211 fixedly connected to the outer ring of the front face of the air inlet pipe 124. The outer ring of the mounting ring 211 is provided with a limiting groove 212. The outer ring of the mounting ring 211 is provided with an empty groove in the limiting groove 212, and a blocking block 213 is slidably connected in the empty groove. The rear end of the blocking block 213 is fixedly connected to a spring 214. The rear end of the spring 214 is fixedly connected to the rear side of the inner cavity of the mounting ring 211. The ventilator module 22 includes an adapter ring 221 contactingly connected to the front of the mounting ring 211, the rear inner ring of the adapter ring 221 is fixedly connected to a limiting block 222, the limiting block 222 is movably inserted in the limiting groove 212, the rear inner ring of the adapter ring 221 is fixedly connected to a sealing tube 223, the sealing tube 223 is movably inserted in the inner cavity of the mounting ring 211, the front of the adapter ring 221 is rotatably connected to a rotating tube 224, the bottom inner ring of the rotating tube 224 is fixedly connected to an extrusion strip 225, the bottom inner ring of the rotating tube 224 is provided with a tube insertion groove 226 in the area inside the extrusion strip 225, the bottom outer ring of the rotating tube 224 is movably sleeved with a rotating sleeve 227, the inner ring of the rotating sleeve 227 is threadedly connected to the outer ring of the extrusion strip 225; The filter module 23 includes an additional block 231, a storage tube 232 is fixedly connected to the front of the additional block 231, a cover 233 is fixedly connected to the front of the storage tube 232, and a filter material 234 is placed in the inner cavity of the storage tube 232; The structure of the additional block 231 is the same as that of the adaptor ring 221 , and the additional block 231 is also connected to the limiting block 222 .

[0033] It should be noted that the outer ring of the sealing tube 223 is provided with a rubber sealing layer; The limiting groove 212 is an L-shaped groove, and the limiting block 222 is an L-shaped metal block, and the width difference between the limiting groove 212 and the limiting block 222 is the same as the width of the blocking block 213, so that when the limiting block 222 is completely received in the limiting groove 212, the blocking block 213 can pop out to limit the range of movement of the limiting block 222; The cover 233 is a detachable structure, which is intended to facilitate replacement of the filter material 234; The portion where the rotating tube 224 is connected to the adapter ring 221 is provided with a sealing bearing to improve the sealing effect and avoid gas leakage.

[0034] In this embodiment, when the ventilator is connected indoors, the adapter ring 221 is brought into contact with the mounting ring 211, the limit block 222 is inserted into the limit groove 212, and the blocking block 213 is pushed back into the inner cavity of the mounting ring 211. The adapter ring 221 is then rotated to the right, so that the limit block 222 completely enters the limit groove 212. At this time, the blocking block 213 is disengaged from the limit of the limit block 222, and the spring 214 rebounds quickly, pushing the blocking block 213 to extend, limiting the range of motion of the limit block 222, and thereby fixing the limit block 222 and the adapter ring 221 on the front side of the mounting ring 211. Then, the pipeline of the ventilator is inserted into the insertion groove 226, and the rotating sleeve 227 is rotated to tighten the extrusion strip 225, thereby fixing the pipeline of the ventilator in the insertion groove 226. Then, the oxygen transmitted by the ventilator enters the air inlet pipe 124 and the breathing mask 111 through the rotating tube 224. The rotating tube 224 that can move 360 ​​degrees can also prevent the patient from squeezing the ventilator pipeline during the activity, resulting in poor gas circulation, thereby improving safety and comfort. When the patient moves from indoors to outdoors, the blocking block 213 can be pressed to be retracted, and the limit block 222 can be rotated and removed, and the additional block 231 can be connected to the installation ring 211. At the same time, the filter material 234 is placed in the storage tube 232, so that when the patient is outdoors, the mask can be switched to the filtering function to prevent external dust and viruses from contacting the patient's mouth and nose, thereby improving the applicability and functional diversity of the device.

[0035] Embodiment 2: A method for using a mask based on air leakage prevention, applicable to the above-mentioned breathing mask, comprising: S1: Install the ventilator module 22 or the filter module 23 on the mounting ring 211 according to the needs, push the limit block 222 into the limit groove 212, and then rotate the limit block 222 to the right, so that the blocking block 213 is pushed outward to block the limit block 222; S2: placing the breathing mask 111 on the patient's face and fixing the breathing mask 111 on the patient's face through the elastic band 112; S3: If the ventilator module 22 is connected in S1, the ventilator pipeline is connected to the intubation slot 226 and fixed by rotating the sleeve 227. At the same time, the blocking plate 127 is lowered, and the control valve 125 is opened to allow air to enter the air cavity 121 through the shunt pipe 126, so that the silicone sleeve 122 expands until it fits the patient's face, and then the blocking plate 127 is reset and the control valve 125 is closed; S4: The detection head 133 detects the air pressure in the breathing mask 111. If the air pressure is too high, the exhaust valve 132 is controlled to open and exhaust air; S5: If you choose to connect the filter module 23 in S1, you need to blow air into the air inlet pipe 124 autonomously and repeat the process of expanding the silicone sleeve 122 in S3. Then put the breathing mask 111 on the face and fix the breathing mask 111 with the elastic band 112. At this time, the expanded silicone sleeve 122 will automatically fit the patient's face to ensure sealing.

[0036] In this embodiment, during actual use, when the patient is transferred to another activity scene, the ventilator module 22 connected in S3 can be removed and autonomously replaced with the filter module 23 in S5. In this transfer scene, during the function replacement process, the breathing mask 111 does not need to be removed, and there is no need to perform the blowing process in S5, thereby improving portability.

[0037] The working principle of the present invention is as follows: when wearing the mask, the breathing mask 111 is placed on the patient's face and fixed to the patient's head through the elastic band 112. When connecting the ventilator indoors, the limit block 222 is inserted into the limit groove 212, and the blocking block 213 is pushed back into the inner cavity of the mounting ring 211, and then the adapter ring 221 is rotated to the right, so that the limit block 222 completely enters the limit groove 212. At this time, the spring 214 rebounds quickly, pushing the blocking block 213 to extend, limiting the range of movement of the limit block 222, and then fixing the limit block 222 and the adapter ring 221 on the front of the mounting ring 211. Then, the pipeline of the ventilator is inserted into the insertion groove 226, and the rotating sleeve 227 is rotated to tighten the extrusion strip 225, and then the pipeline of the ventilator is fixed in the insertion groove 226. At this time, the air from the ventilator enters the air inlet pipe 124, and the screw rod 128 is immediately rotated to control the blocking plate 127 to descend, blocking the air inlet pipe 124, so that the air from the ventilator enters the shunt pipe 126 through the control valve 125, and then enters the air supply pipe 123 and the air cavity 121 through the shunt pipe 126, so that the silicone sleeve 122 expands and contacts the patient's face, improving the sealing performance and the wearing feel. During use, the detection head 133 will detect the air pressure in the breathing mask 111 in real time. If the air pressure exceeds the preset safety range, the exhaust valve 132 will respond quickly and automatically open the passage of the exhaust pipe 131, so that the excess gas can be safely discharged through the exhaust hood 134. When the patient moves from indoors to outdoors, the blocking block 213 can be pressed to be retracted, and the limiting block 222 can be rotated and removed, and the additional block 231 can be connected to the mounting ring 211. At the same time, the filter material 234 can be placed in the storage tube 232. When the patient is outdoors, the mask can be switched to the filtering function to prevent external dust and viruses from contacting the patient's mouth and nose.

[0038] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the art unless otherwise specified and limited.

Claims

1. A breathing mask, characterized in that: include: An integral assembly (10), the integral assembly (10) comprising a cover assembly (11), an expansion assembly (12) being arranged at the rear side of the cover assembly (11), and a pressure relief assembly (13) being connected to the bottom of the cover assembly (11); A module assembly (20), the module assembly (20) comprising a base assembly (21) connected to the front of the expansion assembly (12), the base assembly (21) being equipped with any one of a ventilator module (22) and a filter module (23); The base assembly (21) is adapted to the ventilator module (22) and the filter module (23) and is used to replace different modules to achieve different functional effects; When the mask assembly (11) is fitted onto the patient's face, the air delivered by the ventilator module (22) is absorbed and expanded by the expansion assembly (12), driving the expansion assembly (12) to fit onto the patient's face, and the pressure relief assembly (13) is used to reduce the air pressure within the mask assembly (11).

2. The breathing mask according to claim 1, characterized in that: The mask body assembly (11) comprises a breathing mask (111), wherein the left and right sides of the breathing mask (111) are both fixedly connected to elastic bands (112), a positioning groove (113) is provided on the rear side of the elastic band (112) on the right side, and a positioning rod (114) is fixedly connected to the rear side of the elastic band (112) on the left side, and the positioning rod (114) is movably inserted into the positioning groove (113).

3. The breathing mask according to claim 2, characterized in that: The expansion assembly (12) comprises an air cavity (121) opened at the rear side of the breathing mask (111); a silicone sleeve (122) is fixedly connected to the rear side of the inner cavity of the air cavity (121); the silicone sleeve (122) extends out of the rear side of the breathing mask (111); air supply pipes (123) are fixedly connected to the left and right sides of the breathing mask (111); the rear end of the air supply pipes (123) is connected to the air cavity (121); the middle part of the front side of the breathing mask (111) is connected to an air intake pipe (124); the bottom of the outer ring of the air intake pipe (124) is connected to a control valve (125); the control valve (125) is connected to the control valve (125) The bottom surface outlet of the valve (125) is connected to a shunt pipe (126), the top inlet of the air intake pipe (124) is connected to the bottom outlet of the shunt pipe (126), the top of the inner cavity of the air intake pipe (124) is slidably connected to a blocking plate (127), the inner cavity of the blocking plate (127) is threadedly connected to a screw rod (128), the top of the screw rod (128) is rotatably connected to the top of the inner cavity of the air intake pipe (124), an electric heating pipe (129) is fixedly installed in the middle of the inner cavity of the air intake pipe (124), and the top of the electric heating pipe (129) protrudes out of the air intake pipe (124).

4. The breathing mask according to claim 3, characterized in that: The pressure relief assembly (13) comprises an exhaust pipe (131) connected to the bottom surface of the breathing mask (111); the bottom of the exhaust pipe (131) is connected to an exhaust valve (132); the top of the exhaust valve (132) is fixedly connected to a detection head (133); the detection head (133) extends into the inner cavity of the exhaust pipe (131); and the bottom outlet of the exhaust valve (132) is connected to an exhaust hood (134).

5. The breathing mask according to claim 4, characterized in that: The base assembly (21) comprises a mounting ring (211) fixedly connected to the outer ring of the front face of the air inlet pipe (124); the outer ring of the mounting ring (211) is provided with a limiting groove (212); the outer ring of the mounting ring (211) is provided with an empty groove in the limiting groove (212); a blocking block (213) is slidably connected in the empty groove; a spring (214) is fixedly connected to the rear end of the blocking block (213); and the rear end of the spring (214) is fixedly connected to the rear side of the inner cavity of the mounting ring (211).

6. The breathing mask according to claim 5, characterized in that: The ventilator module (22) comprises an adaptor ring (221) contactingly connected to the front of the mounting ring (211); the rear inner ring of the adaptor ring (221) is fixedly connected to a limiting block (222); the limiting block (222) is movably inserted into the limiting groove (212); the rear inner ring of the adaptor ring (221) is fixedly connected to a sealing tube (223); the sealing tube (223) is movably inserted into the inner cavity of the mounting ring (211); The front side of the ring (221) is rotatably connected to a rotating tube (224); the inner ring at the bottom end of the rotating tube (224) is fixedly connected to an extrusion strip (225); the inner ring at the bottom end of the rotating tube (224) is provided with a tube insertion groove (226) in an area inside the extrusion strip (225); the outer ring at the bottom end of the rotating tube (224) is movably sleeved with a rotating sleeve (227); the inner ring of the rotating sleeve (227) is threadedly connected to the outer ring of the extrusion strip (225).

7. The breathing mask according to claim 6, characterized in that: The filter module (23) comprises an additional block (231), a storage tube (232) is fixedly connected to the front of the additional block (231), a cover (233) is fixedly connected to the front of the storage tube (232), and a filter material (234) is placed in the inner cavity of the storage tube (232).

8. The breathing mask according to claim 7, characterized in that: The structure of the additional block (231) is the same as that of the adapter ring (221), and the additional block (231) is also connected to the limit block (222).

9. The breathing mask according to claim 8, characterized in that: An air pressure detector is integrated inside the exhaust valve (132), and the detection head (133) is suitable for the air pressure detector to perform air pressure detection.

10. A method for using a mask based on air leakage prevention, characterized in that: A breathing mask suitable for use in any one of claims 1 to 9, comprising: S1: Selectively install a ventilator module (22) or a filter module (23) on the installation ring (211) according to the requirements, and push the limit block (222) to insert into the limit groove (212), and then rotate the limit block (222) to the right, so that the blocking block (213) is pushed outward to block the limit block (222); S2: placing the breathing mask (111) on the patient's face and fixing the breathing mask (111) on the patient's face via an elastic band (112); S3: If the ventilator module (22) is connected in S1, the ventilator pipeline is connected to the intubation slot (226) and fixed by rotating the sleeve (227), and the blocking plate (127) is lowered at the same time, and the control valve (125) is opened to allow air to enter the air cavity (121) through the shunt tube (126), so that the silicone sleeve (122) expands until it fits the patient's face, and then the blocking plate (127) is reset and the control valve (125) is closed; S4: The detection head (133) detects the air pressure in the breathing mask (111). If the air pressure is too high, the exhaust valve (132) is controlled to open and exhaust air; S5: If the filter module (23) is connected in S1, it is necessary to blow air into the air inlet pipe (124) autonomously and repeat the process of expanding the silicone sleeve (122) in S3, then place the breathing mask (111) on the face and fix the breathing mask (111) with the elastic band (112). At this time, the expanded silicone sleeve (122) will automatically fit the patient's face to ensure sealing.

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