CN212490395U - Ear cover structure for reducing noise - Google Patents
Ear cover structure for reducing noise Download PDFInfo
- Publication number
- CN212490395U CN212490395U CN202020016313.7U CN202020016313U CN212490395U CN 212490395 U CN212490395 U CN 212490395U CN 202020016313 U CN202020016313 U CN 202020016313U CN 212490395 U CN212490395 U CN 212490395U
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- CN
- China
- Prior art keywords
- headband
- earmuff
- noise
- pair
- sound insulation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an earmuff structure of noise reduction, it includes a bandeau, a pair of stores pylon, a pair of earmuff body and a pair of sound insulation material. Wherein this bandeau is striden to put and dresses in user's head, its both ends are equipped with a fixed part respectively and supply this a pair of stores pylon of movable mounting, the both ends of each stores pylon are formed with a connecting hole respectively in order to with an ear muff body movable mounting in it, and each ear muff body contains an enclosing cover, lid and cushion in one, be equipped with a first connecting portion and a second connecting portion between this enclosing cover and this well lid respectively, use the ultrasonic wave to bind the processing procedure again after the equipment and fuse in order to form the seamless design in integrated into one piece surface, pack this sound insulation material and set up in this each ear muff originally internally, the utility model discloses a this to ear muff body surface seamless design and this to sound insulation material, promote its airtight syllable-dividing effect by a wide margin.
Description
Technical Field
The utility model belongs to give sound insulation and use the ear muff field, especially about an ear muff structure of noise reduction, bind the mode through the ultrasonic wave and carry out bonding of ear muff body and become the design of integrated into one piece seamless, and can not produce the gap after the equipment, consequently can improve syllable-dividing effect by a wide margin.
Background
Due to the industrial and commercial development, especially as a manufacturing factory, there are many safety requirements for the manufacturing industry for the industrial safety, wherein noise is one of them, and besides hearing loss due to noise, other diseases on the body are easily generated, but the production devices in the factory, such as: the objective of reducing the noise generated by the noise sources, such as factory equipment, air pressure generator or motor, is difficult to achieve, so that how to improve the noise from the receiving end, i.e. reducing the noise intensity received by the human ear, is a main means for improving the noise pollution of the working environment.
Therefore, in order to achieve the above purpose, the most common method is to wear the ear plugs or the noise-proof earmuffs to reduce the sound volume intensity received by the ears, and to reduce the sound volume intensity by using the sound absorption or blocking effect of the ear plugs or the noise-proof earmuffs to protect the hearing of the wearer. At present, common noise-proof earmuffs are usually provided with two symmetrical earmuff bodies, a cover body and a cushion body are fixed on the two earmuff bodies, a hanging frame is arranged between the two earmuff bodies, but the assembly between the earmuff bodies and the cover body is mostly fixed in a locking, buckling or adhering mode and the like, actually, the assembly position still can cause a gap, even the traditional fixing mode of gluing glue adhesion is used, the gap can be generated to cause the noise blocking effect to be reduced, even a sound-absorbing material is additionally arranged inside the shell, the noise of various frequencies can not be effectively blocked, and therefore the defect of the noise-proof earmuff must be improved.
Therefore, the inventor accumulates practical experience such as production and design of noise reduction earmuffs designed for years, finally designs an earmuff structure for reducing noise, and the material of the assembly part is integrated into a whole by utilizing the ultrasonic bonding mode in the assembly process to form an integrally formed seamless structure design, so that external noise is effectively isolated from entering, and the sound insulation material in the earmuff is further utilized to improve the sound insulation effect of the earmuff.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present invention is to provide an earmuff structure for reducing noise, which is provided with a first connecting portion and a second connecting portion between an outer cover and a middle cover of each earmuff body, after assembling the first connecting portion and the second connecting portion, the ultrasonic bonding process is used again to fuse the earmuff structure to form an integrated seamless design, and finally, the sound insulation material is filled in each earmuff body to greatly improve the effect of the closed sound insulation.
To achieve the above object, the utility model discloses noise reduction's ear muff structure includes: a head band, which is used for being worn on the head of a user in a straddling manner, and two ends of the head band are respectively provided with a fixing part; a pair of hanging racks, each hanging rack is C-shaped, the center of each hanging rack is provided with a sleeving part corresponding to each fixed part so as to movably arrange each hanging rack on the fixed part respectively, and two end parts of each hanging rack are respectively provided with a connecting hole; each earmuff body comprises an outer cover, a middle cover and a soft cushion, wherein a first connecting part and a second connecting part are respectively arranged between the outer cover and the middle cover, the first connecting part and the second connecting part are mutually assembled and then fused by using an ultrasonic bonding process, so that the outer cover and the middle cover form an integrally formed design with seamless surfaces, a containing space is formed in the outer cover and the middle cover, the soft cushion is fixedly arranged at the periphery of the middle cover relative to the containing space, and a connecting convex column is respectively arranged at two sides of the middle cover corresponding to two connecting holes of the hanging rack, so that the pair of earmuff bodies are respectively and movably arranged in the hanging rack; a pair of sound insulation materials respectively filled in each accommodating space; thereby utilize this to the seamless design in earmuff body surface and this to give sound insulation material, promote its airtight syllable-dividing effect.
In one embodiment, the ear muff structure for reducing noise of the present invention further comprises a pair of adjusting portions disposed on one side of the headband opposite to the fixing portion for adjusting the length of the headband. Furthermore, the utility model discloses the ear muff structure of noise reduction still has an butt joint portion, and this bandeau is two segmentation designs to be equipped with a butt joint portion on the relative tip in each section bandeau, and make this bandeau carry out the dismouting. It should be noted that, one of the two butt-joint portions is designed as a jack, and the other butt-joint portion is designed as a barb, so that the two butt-joint portions will not fall off after being assembled.
In addition, the utility model discloses a position of this every stores pylon relative this bandeau is equipped with a backstop portion, can support this bandeau and present a settlement angle when this stores pylon expandes to the angle when guaranteeing to expand the use does not produce the gap and influence its airtight syllable-dividing effect when dressing. In addition, the soft pad is an elliptical annular structure formed by wrapping a soft material in a wrapping material, so that the sealing effect and the comfort when the soft pad is worn are improved. In addition, the sound insulation material is of a high-density foam structure, so that the noise penetration and transmission can be effectively blocked.
Drawings
Fig. 1 is an exploded perspective view of the preferred embodiment of the present invention.
Fig. 2 is an assembled view of the preferred embodiment of the present invention.
Fig. 3 is a schematic structural diagram of another preferred embodiment of the present invention.
Fig. 4 is a schematic view of the present invention in use.
Description of the symbols:
1-ear muff structure for reducing noise; 11-a headband; 111-a stationary part; 112-an adjusting part; 113-a docking station; 12-a hanger; 121-a socket joint part; 122-connecting hole; 123-a stop; 13-an earmuff body; 131-an outer cover; 1311-a first connection; 1312-a containing space; 132-middle cap; 1321-a second connection; 1322-connecting convex column; 133-cushion; 14-sound insulation material.
Detailed Description
In order to make the content of the present invention clearly understood by the examiner, reference is made only to the following description and accompanying drawings.
Please refer to fig. 1, 2, 3 and 4, which are an exploded perspective view and an assembled view thereof, a schematic structural diagram of another preferred embodiment, and a schematic status diagram thereof during use, respectively. As shown in fig. 1 and 2, the noise-reducing earmuff structure 1 of the present invention includes a headband 11, a pair of hangers 12, a pair of earmuff bodies 13, and a pair of sound insulation materials 14.
The headband 11 is a curved strip structure made of elastic material and corresponding to the shape of the head of a user, and is used for straddling the head of the user, and both ends of the headband 11 are respectively provided with a fixing portion 111, and one side of the headband 11 opposite to the two fixing portions 111 is respectively provided with an adjusting portion 112 for adjusting the length of the headband 11 in a telescopic manner. In addition, as shown in fig. 4, the noise-reducing earmuff structure 1 of the present invention further has a butt-joint portion 113, and the headband 11 is designed in two segments, and a butt-joint portion 113 is disposed on the opposite end of each segment of the headband 11, so that the two segments of the headband 11 can be disassembled and assembled, wherein the butt-joint portion 113 is designed as a jack, and the other butt-joint portion 113 is designed as a barb, so that the two butt-joint portions 113 will not fall off after being assembled, and the detachable design can be conveniently stored or replaced, which is convenient.
Each hanging rack 12 is C-shaped, and a sleeving part 121 is arranged at the center of each hanging rack 12 corresponding to each fixing part 111, so that each hanging rack 12 can be movably arranged on the fixing part 111, and a connecting hole 122 is formed at each end of each hanging rack 12; it should be noted that a stop portion 123 is disposed at a position of each of the hangers 12 corresponding to the headband 111, and is a protrusion structure extending from the hanger 12, and when the hanger 12 is unfolded, the stop portion can be used to abut against the headband 11 to present a set angle, which is helpful for positioning the unfolding angle.
Each ear muff body 13 comprises an outer cover 131, a middle cover 132 and a soft pad 133, wherein a first connecting portion 1311 and a second connecting portion 1321 are respectively disposed between the outer cover 131 and the middle cover 132, the first connecting portion 1311 and the second connecting portion 1321 are opposite step-shaped structures, the first connecting portion 1311 and the second connecting portion 1321 can be fused by ultrasonic bonding process after mutual assembly, the material edges of the outer cover 131 and the middle cover 132 are melted into a whole by ultrasonic energy, therefore, the outer cover 131 and the middle cover 132 can form an integrally formed design with no surface gap, and a containing space 1312 is formed inside, the soft pad 133 is an oval ring-shaped structure formed by wrapping a soft material in the soft ring-shaped structure, which is fixedly mounted around the middle cover 132 corresponding to the containing space, and two sides of the middle cover 132 are respectively provided with a connecting convex column 1322 corresponding to the two connecting holes 122 of the hanging rack 12, the pair of ear mask bodies 13 are movably arranged in the pair of hanging frames 12 respectively.
The pair of sound insulation materials 14 is made of high-density foam structure, and is respectively filled in each of the accommodation spaces 1312.
Therefore, the utility model discloses noise reduction's ear muff structure 1 utilizes this to ear muff body 13 seamless design in surface and this to give sound insulation material 14, promotes its airtight syllable-dividing effect.
It is to be understood that the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, so that the present invention is covered by the appended claims, and all changes and modifications that can be made without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides an ear muff structure of noise reduction which characterized in that: the method comprises the following steps:
the head band is used for being worn on the head of a user in a straddling manner, and two ends of the head band are respectively provided with a fixing part;
each hanging rack is C-shaped, a sleeving part is arranged at the center of each hanging rack corresponding to each fixing part so that each hanging rack can be movably arranged on the fixing part, and two connecting holes are formed at two end parts of each hanging rack respectively;
each earmuff body comprises an outer cover, a middle cover and a soft cushion, wherein a first connecting part and a second connecting part are respectively arranged between the outer cover and the middle cover, the first connecting part and the second connecting part are fused by using an ultrasonic bonding process after being mutually assembled, so that the outer cover and the middle cover form an integrally formed design with seamless surfaces, a containing space is formed in the outer cover and the middle cover, the soft cushion is fixedly arranged at the periphery of the middle cover relative to the containing space, and two sides of the middle cover are respectively provided with a connecting convex column corresponding to two connecting holes of the hanging rack, so that the pair of earmuff bodies are respectively and movably arranged in the pair of hanging racks; and
a pair of sound insulation materials respectively filled in each accommodating space; therefore, the airtight sound insulation effect of the earmuff is improved by utilizing the seamless design of the surface of the earmuff body and the sound insulation material.
2. The noise-reducing earmuff structure of claim 1, wherein: the headband also comprises a pair of adjusting parts which are arranged on one side of the headband opposite to the fixing part and used for adjusting the length of the headband.
3. The noise-reducing earmuff structure of claim 1, wherein: the headband is also provided with a butt joint part, the headband is designed in two sections, and the butt joint part is arranged at the opposite end part of each section of the headband, so that the headband can be disassembled and assembled.
4. The noise-reducing earmuff structure of claim 3, wherein: one of the butt joint parts is designed as a jack, and the other butt joint part is designed as an inverted hook, so that the two butt joint parts are not easy to fall off after being assembled.
5. The noise-reducing earmuff structure of claim 1, wherein: the position of each hanging rack relative to the headband is provided with a stopping part which can push against the headband to present a set angle when the hanging rack is unfolded.
6. The noise-reducing earmuff structure of claim 1, wherein: the soft cushion is an elliptical ring-shaped structure body formed by wrapping a soft material in a wrapping material.
7. The noise-reducing earmuff structure of claim 1, wherein: the sound insulation material is of a high-density foam structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020016313.7U CN212490395U (en) | 2020-01-06 | 2020-01-06 | Ear cover structure for reducing noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020016313.7U CN212490395U (en) | 2020-01-06 | 2020-01-06 | Ear cover structure for reducing noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212490395U true CN212490395U (en) | 2021-02-09 |
Family
ID=74386012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020016313.7U Expired - Fee Related CN212490395U (en) | 2020-01-06 | 2020-01-06 | Ear cover structure for reducing noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212490395U (en) |
-
2020
- 2020-01-06 CN CN202020016313.7U patent/CN212490395U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 Termination date: 20220106 |