Pressure relief earplug for pressurizing building
By designing conical structure earplugs and round table-shaped earplug caps, and built-in elastic material pressure relief earplugs, the problem of ear discomfort when people in plateau areas enter the supercharged buildings, the effect of reducing the airflow pressure difference in ears is achieved. , has the advantages of stability and reliability.
Patent Information
- Application Number
- CN202323127585.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-20
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-11-20
AI Technical Summary
People in the plateau area enter the supercharged building due to pressure changes, and the existing technology cannot effectively alleviate it. The market products are costly and have a single function, which cannot meet long-term living needs.
Design a pressure relief earplug for supercharged construction, including earplugs with a conical structure and earplug cap, ball valve and barrier strip made of built-in elastic material, through a tapered runner and multiple round table-shaped earplug cap structures, reduce Different airflow pressure in the ears relieve ear discomfort.
It effectively reduces the pressure difference between the internal and external human ears, relieves discomfort such as tinnitus, ear pain, etc., and has the advantages of simple structure and stable and reliable work.
Smart Images
Figure CN222172455U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of earplug structures, in particular to a pressure-relieving earplug for pressurized buildings. Background Art
[0002] For every 1,000 meters increase in altitude, the atmospheric pressure drops by about 11.5% and the air density decreases by 9%. As the atmospheric pressure decreases, the ambient oxygen partial pressure decreases accordingly, and the blood oxygen partial pressure and blood oxygen saturation decrease. The oxygen partial pressure in the Tibetan plateau is only 64% of that in the plains. The air pressure is low and the air is thin, so the amount of oxygen inhaled at a time is reduced, thus causing hypoxia.
[0003] Conventional buildings usually use simple oxygen supplementation to relieve altitude sickness, which cannot eliminate the impact of low pressure. The pressurized products on the market are expensive and have single functions. They are only used for medical and health care and cannot meet long-term living needs. Pressurized buildings can restore the main indoor environmental indicators in high-altitude areas to those in plain areas.
[0004] Some people face an environment of changing pressure when entering a pressurized building. Due to poor opening of the Eustachian tube, they may experience ear discomfort such as ear pain and tinnitus. Utility Model Content
[0005] The main purpose of the utility model is to provide a pressure relief earplug for a pressurized building, aiming to alleviate the ear discomfort caused by pressure changes when people enter the pressurized building.
[0006] To achieve the above-mentioned purpose, the utility model provides a pressure-relieving earplug for pressurized buildings, comprising an earplug post and an earplug cap arranged on the outside of the earplug post, wherein a hollow flow channel is arranged inside the earplug post, the flow channel runs through the length direction of the earplug post, the flow channel has a conical structure, the part of the flow channel away from the ear side is the ear-entry side, the part of the flow channel close to the ear side is the near-ear side, and the diameter of the flow channel from the near-ear side to the ear-entry side gradually increases.
[0007] Preferably, the pressure-relief earplug for pressurized buildings further comprises an earplug valve accommodated in the flow channel in the earplug column and used for blocking the opening of the flow channel near the ear.
[0008] Preferably, the earplug valve is a spherical ball made of elastic material, which can move in the flow channel in the earplug column when under pressure, and the diameter of the spherical ball is larger than the diameter of the opening of the flow channel near the ear.
[0009] Preferably, a plurality of baffles are arranged on the side wall of the flow channel of the earplug post.
[0010] Preferably, the free ends of all the baffles are arranged toward a direction close to the ear entrance side of the flow channel.
[0011] Preferably, the earplug caps are provided in plurality, the earplug caps are in a truncated cone structure, and a gap is provided between two adjacent earplug caps.
[0012] Preferably, the size of the earplug cap gradually decreases along the direction from the outlet to the inlet of the flow channel.
[0013] Preferably, the central axes corresponding to the frustums of all earplug caps are arranged flush.
[0014] Preferably, the baffle, the earplug post and the earplug post are integrally formed of elastic material.
[0015] Preferably, the earplug post is in a truncated cone shape.
[0016] The pressure relief earplug for pressurized buildings proposed by the utility model has a conical structure of the flow channel of the earplug column, and the diameter of the flow channel from the ear side to the ear side gradually increases. Therefore, according to the constant flow rate, when the flow channel area decreases, the speed increases and the pressure decreases. Therefore, the effect of reducing the pressure difference between the inside and outside of the human ear can be achieved, and the ear discomfort caused by the pressurization when people enter the pressurized building is alleviated. In addition, the pressure relief earplug for pressurized buildings also has the advantages of simple structure, stable and reliable operation, and easy implementation. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 The utility model is a schematic structural diagram of a pressure relief earplug for pressurized buildings.
[0018] Figure 2 The utility model is a schematic diagram of the structure of the pressure relief earplug for pressurized buildings when in use.
[0019] In the figure, 1-earplug post, 2-earplug cap, 3-earplug valve, 4-blocking bar, 5-ear, 6-external auditory canal, 7-tympanic membrane, 8-tympanic cavity, 9-Eustachian tube.
[0020] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0021] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0022] It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0023] Reference Figure 1 and Figure 2 In the preferred embodiment, a pressure-relieving earplug for pressurized buildings includes an earplug post 1 and an earplug cap 2 arranged on the outside of the earplug post 1, wherein a hollow flow channel is arranged inside the earplug post 1, and the flow channel runs through the length direction of the earplug post 1. The flow channel has a conical structure, the part of the flow channel away from the ear side is the ear-entry side, and the part of the flow channel close to the ear side is the near-ear side, and the diameter of the flow channel from the near-ear side to the ear-entry side gradually increases.
[0024] When the outside is pressurized, the pressure away from the ear is greater than the pressure close to the ear, and logically the gas will flow from the side away from the ear to the side close to the ear. Furthermore, the pressure relief earplug for pressurized buildings also includes an earplug valve 3 contained in the flow channel inside the earplug column 1 and used to block the opening of the flow channel near the ear. The purpose of the earplug valve 3 is to make the air pressure inside the ear rise more slowly than the outside air pressure, giving the Eustachian tube time to open. In this embodiment, the earplug valve 3 is a sphere made of elastic material, which can move in the flow channel inside the earplug column 1 when under pressure, and the diameter of the ball is larger than the diameter of the opening of the flow channel near the ear.
[0025] Specifically, in this embodiment, a plurality of baffles 4 are provided on the side wall of the flow channel of the earplug column 1 (four baffles are provided as an example in the figure). By providing the baffles 4, the airflow pressure entering the human ear is reduced, further alleviating the discomfort of the human ear.
[0026] The free ends of all the baffles 4 are arranged in a direction close to the ear entrance side of the flow channel, which is conducive to reducing pressure. There are multiple earplug caps 2, and the earplug caps 2 are in a truncated cone structure, and a gap is arranged between two adjacent earplug caps 2. The size of the earplug caps 2 gradually decreases along the direction from the outlet to the inlet of the flow channel. The central axes corresponding to the truncated cones of all earplug caps 2 are arranged flush. Specifically, the side wall inclination angles of all earplug caps 2 can be set to be the same to enhance the earplug usage experience.
[0027] In this embodiment, the baffle 4, the earplug column 1 and the earplug column 1 are integrally formed of elastic material, thereby simplifying the manufacturing process of the pressure relief earplug for pressurized buildings. The earplug column 1 is a truncated cone structure. The earplug valve 3 can be made of lightweight elastic material.
[0028] Reference Figure 1 and Figure 2 The working process of the pressure relief earplug for pressurized buildings is as follows.
[0029] After the earplug is inserted into the ear, the earplug cap 2 closes the pressure airflow. When the gas flows through the flow channel of the earplug column 1, according to the continuity theorem and the Bernoulli principle, since the flow rate remains unchanged, the velocity increases when the flow channel area decreases, and the pressure decreases. At the same time, the setting of the baffle 4 can also achieve the pressure loss of the airflow. In addition, when the pressure difference reaches a certain level, the earplug valve 3 will also work, thereby blocking the flow channel of the earplug column 1 and achieving the effect of reducing the pressure difference between the inside and outside of the human ear. When the human body enters a pressurized building, tinnitus, ear pain and other discomforts occur, mainly because when the external air pressure increases, the Eustachian tube of the human body itself opens poorly, and the pressure inside the tympanic chamber is less than the external air pressure. Therefore, the internal and external pressures of the tympanic membrane are not balanced in time, and the existence of the pressure difference causes discomfort to the human body. When the earplug is applied to a pressurized building, it can effectively reduce the pressure difference between the external auditory canal area behind the earplug and the inside of the tympanic chamber, and reduce the rate of pressure change, thereby alleviating the generation of discomfort reactions such as ear pain in the human body.
[0030] The pressure relief earplug for pressurized buildings proposed in this embodiment has a conical structure with a variable cross-section because the flow channel of the earplug column 1 has a gradually increasing diameter from the ear side to the ear side. Therefore, based on the constant flow rate, when the flow channel area decreases, the speed increases and the pressure decreases. Therefore, the pressure difference between the inside and outside of the human ear can be reduced, and the ear discomfort caused by the pressurization when people enter the pressurized building can be alleviated. In addition, the pressure relief earplug for pressurized buildings also has the advantages of simple structure, stable and reliable operation, and easy implementation.
[0031] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A pressure relief earplug for pressurized buildings, characterized in that: It comprises an earplug post and an earplug cap arranged outside the earplug post, wherein a hollow flow channel is arranged inside the earplug post, the flow channel runs through the length direction of the earplug post, the flow channel has a conical structure, the part of the flow channel away from the ear side is the ear inlet side, the part of the flow channel close to the ear side is the near ear side, and the diameter of the flow channel from the near ear side to the ear inlet side gradually increases.
2. The pressure relief earplug for pressurized buildings according to claim 1, characterized in that: The invention also comprises an ear plug valve which is accommodated in the flow channel in the ear plug column and is used for blocking the opening of the flow channel near the ear.
3. The pressure relief earplug for pressurized buildings as claimed in claim 2, characterized in that: The ear plug valve is a spherical ball made of elastic material. When under pressure, the spherical ball can move in the flow channel inside the ear plug column. The diameter of the spherical ball is larger than the diameter of the opening of the flow channel near the ear.
4. The pressure relief earplug for pressurized buildings according to claim 1, characterized in that: A plurality of baffles are arranged on the side wall of the flow channel of the earplug post.
5. The pressure relief earplug for pressurized buildings as claimed in claim 4, characterized in that: The free ends of all the baffles are arranged toward the direction close to the ear entrance side of the flow channel.
6. The pressure relief earplug for pressurized buildings according to claim 1, characterized in that: The earplug caps are provided in plurality, and the earplug caps are in a truncated cone structure, and a gap is provided between two adjacent earplug caps.
7. The pressure relief earplug for pressurized buildings as claimed in claim 6, characterized in that: The size of the earplug cap gradually decreases along the direction from the outlet to the inlet of the flow channel.
8. The pressure relief earplug for pressurized buildings as claimed in claim 1, characterized in that: The central axes corresponding to the frustums of all earplug caps are arranged flush.
9. The pressure relief earplug for pressurized buildings as claimed in claim 4, characterized in that: The baffle strip and the earplug post are integrally formed of elastic material.
10. The pressure relief earplug for pressurized buildings according to any one of claims 1 to 9, characterized in that: The earplug post is in a truncated cone structure.