CN112674938B - Noise reduction earplug based on dot matrix structure - Google Patents
Noise reduction earplug based on dot matrix structure Download PDFInfo
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- CN112674938B CN112674938B CN202011149134.1A CN202011149134A CN112674938B CN 112674938 B CN112674938 B CN 112674938B CN 202011149134 A CN202011149134 A CN 202011149134A CN 112674938 B CN112674938 B CN 112674938B
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Abstract
The invention provides a noise reduction earplug based on a dot matrix structure, and belongs to the technical field of noise reduction earplugs. The shape of the earplug is matched with the shape of an ear canal, and the noise reduction earplug comprises a handle, a supporting plate and an earplug main body lattice structure body. The lattice structure is formed by a plurality of pole type cell element portions through array arrangement and filling, pole type cell element portion includes at least one pole type cell element unit, pole type cell element unit all includes that two pole type cell element subunits pass through the lattice structure, because sound wave vibrations receive tortuous pore wall to block, and air and pore wall take place the friction and cause energy loss. After multiple reflection and refraction, most energy of original incident sound waves is changed into heat to be dissipated to the environment, so that a very excellent noise reduction effect is achieved. The noise-reducing earplug with the lattice structure not only reduces the quality of the earplug, saves materials, has the ventilation effect, but also realizes effective control on noise.
Description
Technical Field
The invention relates to a noise reduction earplug based on a dot matrix structure, and belongs to the technical field of noise reduction earplugs.
Background
An earplug is a personal protective product used to protect the sense of hearing and protect people from excessive noise stimulation. In the workplace, earplugs are used to protect workers, reduce hearing loss caused by excessive noise; in daily life, earplugs are also widely used in places where silence is needed, such as sleeping and learning. The earplug structure of making an uproar that has now conventionality generally is a smooth entity in surface, and its shortcoming lies in, and noise reduction effect is little to external noise, can not thoroughly eliminate ambient noise, and the gas permeability is also not good simultaneously. Therefore, the design of a novel noise reduction earplug has very important practical significance and value.
Disclosure of Invention
The present invention is made to solve the above problems, and an object of the present invention is to provide a noise reduction earplug having a lattice structure.
The invention provides a noise reduction earplug based on a lattice structure, which is characterized in that: the earplug comprises a handle, a supporting plate and an earplug main body lattice structure body. The handle is cylindrical, and the layer board is also cylindrical, and the lattice structure is filled on the layer board in addition top, and the appearance is the toper. The lattice structure is formed by filling a plurality of rod-type cell units in a rectangular array arrangement, the rod-type cell units include at least one rod-type cell unit, the rod-shaped cell unit comprises two rod-shaped cell sub-units, each rod-shaped cell sub-unit comprises four folding edge rods, one ends of the four folding edge rods are connected and used as connecting ends, the other ends of the four folding edge rods extend outwards and used as far ends, the four folding edge rods form a quadrangular pyramid shape, the two rod-shaped cell sub-units are of mirror image structures, the connecting ends of the two rod-shaped cell element subunits are connected together, the rod-shaped cell element units are arranged in a dot matrix manner in the direction parallel to and perpendicular to the supporting plate and are in contact connection, two adjacent rod-shaped cell element units are correspondingly connected through the far ends of the rod-shaped cell element units, and each rod is a broken line type prismatic rod.
In the noise reduction earplug with the lattice structure provided by the invention, the noise reduction earplug also has the following characteristics: the pole-type cell unit comprises a plurality of pole-type cell units, wherein the pole-type cell units are projected from a direction perpendicular to the supporting plate, the included angle between adjacent poles in the pole-type cell units is 70 degrees, the pole-type cell units are arranged in a dot matrix in rows and columns in the plane direction parallel to the supporting plate, the pole-type cell units are connected in a pairwise contact manner through the respective far ends to form the pole-type cell unit, and the connecting ends of the pole-type cell units in the pole-type cell unit are on the same plane.
In the noise reduction earplug with the lattice structure, the noise reduction earplug also has the following characteristics: the horizontal plane of the connecting end of the ridge rod is used as a mirror surface of the rod-shaped cell element subunit to perform mirroring, so that the rod-shaped cell element unit with a mirroring structure is formed.
In the noise reduction earplug with the lattice structure, the noise reduction earplug also has the following characteristics: the temple bars are formed with stretch cut out features.
In the noise reduction earplug with the lattice structure provided by the invention, the noise reduction earplug also has the following characteristics: the appearance of the supporting plate and the handle part is cylindrical.
In the noise reduction earplug with the lattice structure provided by the invention, the noise reduction earplug also has the following characteristics: the earplug body portion is bullet-shaped in appearance.
In the noise reduction earplug with the lattice structure provided by the invention, the noise reduction earplug also has the following characteristics: the handle, the supporting plate and the earplug main body lattice structure body are made of silica gel, so that the whole structure is soft and comfortable, and is not deformed when being washed; the thickness of the supporting plate is 1mm, and the radius of the supporting plate is 6 mm; the height of the handle part is 4mm, and the radius is 3 mm; the structure size of the lattice structure unit cell is 2 x 2 mm; the geometrical dimensions of the supporting plate and the lattice structure unit cell can also be changed according to the actual working conditions, and are not limited herein.
Action and effects of the invention
The noise reduction earplug with the lattice structure comprises a handle, a supporting plate and an earplug main body lattice structure body. The lattice structure is formed by a plurality of pole type cell element portions through array arrangement filling, pole type cell element portion includes at least one pole type cell element unit, pole type cell element unit all includes two pole type cell element subunits, pole type cell element subunit includes four folding edge poles, four folding edge pole's one end is connected, as the link, the other end outwards extends, as the distal end, four folding edge pole forms four corner cone shape, so this kind of structure is for the sound wave, and vibrations receive tortuous pore wall to block, and the air and pore wall take place the friction and cause energy loss. After multiple reflection and refraction in the lattice structure, most energy of original incident sound waves is changed into heat to be dissipated to the environment, so that a very excellent noise reduction effect is achieved.
In addition, the two rod-type cell element subunits are mirror image structures, the connecting ends of the two rod-type cell element subunits are connected together, the mirror image structure increases the contact area of sound waves, increases energy loss and enhances the noise reduction effect.
In addition, the connecting ends of the rod-shaped cell element subunits are connected together, a plurality of rod-shaped cell element parts are arranged in a dot matrix mode in the direction parallel to and perpendicular to the supporting plate and are in contact connection, and two adjacent rod-shaped cell element parts are connected in a one-to-one correspondence mode through the far ends of the rod-shaped cell element parts, so that the rod-shaped cell element subunits are arranged in a dot matrix mode in a dense space mode, the surface area of materials under the same size is increased, more energy management losses are generated, and the noise reduction efficiency is improved.
Drawings
Fig. 1A is a schematic diagram showing a model structure of the noise reducing earplug based on the lattice structure according to the embodiment.
Fig. 1B is an isometric view of a blade portion of the earplug of fig. 1.
Fig. 1C is an isometric view of a handle portion of the earplug of fig. 1.
Fig. 2 is a schematic structural view of a beam-type cell unit according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a beam-type cell unit according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a spar-type cell subunit according to an embodiment of the present invention;
wherein: 10-a handle portion of an earplug; 20-a platform portion of an earplug; 30-a main lattice structure part of the earplug;
Detailed Description
In order to make the technical means, the creation features, the achievement objects and the effects of the present invention easy to understand, the following embodiments will specifically describe a noise reduction earplug with a lattice structure according to the present invention with reference to the attached drawings.
This patent lattice structure noise reduction earplug, refer to the drawing, the structure that this patent is mainly different from conventional earplug includes: 30-part of lattice structure.
The lattice structure noise reduction earplug designed according to the design idea of the patent is shown by way of example with reference to the attached drawings. As shown, the noise reducing earplug 30 — the earplug body lattice structure portion has a physical dimension of 25 x 6 mm; 20-the size of the blade portion of the earplug 6 x 1 mm; 10-the handle portion of the earplug is 4 x 3mm in size; 30-the body of the earplug is filled with a lattice structure with a cell size of 2 x 2 mm; the included angle between adjacent rods in the rod-type cell unit in the unit lattice structure is 70 degrees. The 30-lattice structure rod-type cell is arranged on the 20-supporting plate and is contacted and connected with the 20-supporting plate. The 30-rod cell unit includes a plurality of 31-rod cell units.
Fig. 1B is an isometric view of the blade portion of the earplug, which is used to attach and support the lattice structure and also to prevent foreign dust, powder, etc. from entering the ear canal and causing contamination.
Fig. 1C is an isometric view of a handle portion of an earplug according to a first embodiment of the invention, where the handle is easily worn and removed to reduce ambient noise while not completely closing the ear and still allowing alarm clocks and other important sounds to be heard.
Fig. 2 is a schematic diagram of a structure of a beam-type cell unit according to a first embodiment of the present invention, wherein a 30-beam-type cell unit includes at least one 31-beam-type cell unit.
Fig. 3 is a schematic diagram of a pole-type cell unit according to a first embodiment of the present invention, wherein each 31 pole-type cell unit includes 2 31-pole-type cell subunits, and the structures of the 2 31-pole-type cell subunits are identical, and the 31-pole-type cell subunits are described in detail below as an example.
Fig. 4 is a schematic diagram of a pole-type cell subunit in one embodiment of the present invention, wherein the 31-pole-type cell subunit includes four folding poles. The tucker bar shaft is formed from stretch cut features. Wherein, the included angle between adjacent rods in the rod type cell unit in the unit lattice structure is 70 degrees.
Four the one end of folding the arris pole is connected, as the link, and the other end outwards extends, as the distal end, four folding the arris pole and forming four corner pyramids form, two 31-pole type cell element subunit each other is the mirror image structure, and two 31-pole type cell element subunit the link links together, and is a plurality of 31-pole type cell element portion with the parallel vertically orientation of layer board goes up the dot matrix and arranges and contact the connection, adjacent two 31-pole type cell element portion between through respective the distal end one-to-one is connected, wherein, each the pole is folding line formula arris pole.
The implementation effect of this patent lies in that for the sound wave, vibrations receive tortuous pore wall to block, and air and pore wall take place the friction and cause energy loss. After multiple reflection and refraction in the lattice structure, most energy of original incident sound waves is changed into heat to be dissipated to the environment, so that a very excellent noise reduction effect is achieved.
In addition, the two rod-type cell element subunits are mirror image structures, the connecting ends of the two rod-type cell element subunits are connected together, the mirror image structure increases the contact area of sound waves, increases energy loss and enhances the noise reduction effect.
In addition, the connecting ends of the rod-shaped cell element subunits are connected together, a plurality of rod-shaped cell element parts are arranged in a dot matrix mode in the direction parallel to and perpendicular to the supporting plate and are in contact connection, and two adjacent rod-shaped cell element parts are connected in a one-to-one correspondence mode through the far ends of the rod-shaped cell element parts, so that the rod-shaped cell element subunits are arranged in a dot matrix mode in a dense space mode, the surface area of materials under the same size is increased, more energy management losses are generated, and the noise reduction efficiency is improved.
The foregoing shows and describes the basic principles and features of the patent and the advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are included to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and these changes and modifications are intended to be within the scope of the claims. The scope of protection of this patent is defined by the claims appended hereto and their equivalents.
Claims (1)
1. The utility model provides an earplug of making an uproar falls based on lattice structure which characterized in that: comprises a handle, a supporting plate and an earplug main body lattice structure body; the lattice structure is filled on the supporting plate and is formed by a plurality of rod-shaped cell elements which are arranged and filled in a rectangular array, the mast cell unit comprising at least one mast cell unit, the mast cell units each comprising two mast cell subunits, the rod-shaped cell element subunit comprises four folding edge rods, one ends of the four folding edge rods are connected and used as connecting ends, the other ends of the four folding edge rods extend outwards and used as far ends, the four folding edge rods form a quadrangular pyramid shape, the two rod-shaped cell element subunits are of mirror image structures, the connecting ends of the two rod-shaped cell element subunits are connected together, a plurality of rod-shaped cell element parts are arranged in a dot matrix manner in the direction parallel to and perpendicular to the supporting plate and are in contact connection, and two adjacent rod-shaped cell element parts are correspondingly connected through the respective far ends one by one, wherein each folding rod is a folding rod; through the lattice structure, because the sound wave vibration is blocked by the zigzag pore walls, the air and the pore walls generate friction to cause energy loss; after multiple reflection and refraction, most energy of the original incident sound waves is changed into heat to be dissipated to the environment;
the method is characterized in that: the pole-type cell unit comprises a plurality of pole-type cell units, wherein the pole-type cell units are projected from a direction perpendicular to the supporting plate, the included angle between the adjacent folding edge poles in the pole-type cell units is 70 degrees, the pole-type cell units are arranged in a dot matrix in rows and columns in a plane direction parallel to the supporting plate, the pole-type cell units are connected in pairs through the respective far ends to form the pole-type cell unit, and the connecting ends of the pole-type cell units in the pole-type cell unit are on the same plane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011149134.1A CN112674938B (en) | 2020-10-23 | 2020-10-23 | Noise reduction earplug based on dot matrix structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011149134.1A CN112674938B (en) | 2020-10-23 | 2020-10-23 | Noise reduction earplug based on dot matrix structure |
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| CN112674938A CN112674938A (en) | 2021-04-20 |
| CN112674938B true CN112674938B (en) | 2022-09-09 |
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Citations (4)
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|---|---|---|---|---|
| US4975967A (en) * | 1988-05-24 | 1990-12-04 | Rasmussen Steen B | Earplug for noise protected communication between the user of the earplug and surroundings |
| CN2249070Y (en) * | 1995-08-17 | 1997-03-12 | 苏州家用给水设备厂 | Noise-reducing earplug |
| US7210484B1 (en) * | 2006-03-03 | 2007-05-01 | Howard Leight Industries, Llc | Baffled earplug |
| CN109365787A (en) * | 2018-11-22 | 2019-02-22 | 中国科学院合肥物质科学研究院 | A kind of negative poisson's ratio aluminium base lattice structure and preparation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201235028Y (en) * | 2008-07-18 | 2009-05-13 | 郑崇阳 | Noise-proof ear plug |
| WO2015043309A1 (en) * | 2013-09-24 | 2015-04-02 | 洪鸿文 | Noise reduction earplug not causing tinnitus |
| CN105856746A (en) * | 2016-03-25 | 2016-08-17 | 大连理工大学 | Shock resistance and noise reduction integrated lightweight cross-core latticed foam sandwich board and preparation method thereof |
| CN206381283U (en) * | 2016-10-25 | 2017-08-08 | 刘金淼 | Noise-reducing earplug |
| CN109635320A (en) * | 2018-11-02 | 2019-04-16 | 北京理工大学 | A kind of lattice structure of the high energy dissipation ability based on laser gain material manufacture |
| CN109483962B (en) * | 2018-11-20 | 2020-12-01 | 华侨大学 | Automobile front panel with multi-layer sandwich composite structure and application of structure |
-
2020
- 2020-10-23 CN CN202011149134.1A patent/CN112674938B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4975967A (en) * | 1988-05-24 | 1990-12-04 | Rasmussen Steen B | Earplug for noise protected communication between the user of the earplug and surroundings |
| CN2249070Y (en) * | 1995-08-17 | 1997-03-12 | 苏州家用给水设备厂 | Noise-reducing earplug |
| US7210484B1 (en) * | 2006-03-03 | 2007-05-01 | Howard Leight Industries, Llc | Baffled earplug |
| CN109365787A (en) * | 2018-11-22 | 2019-02-22 | 中国科学院合肥物质科学研究院 | A kind of negative poisson's ratio aluminium base lattice structure and preparation method thereof |
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| CN112674938A (en) | 2021-04-20 |
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