CN208641028U - A kind of noise-proof earmuff - Google Patents
A kind of noise-proof earmuff Download PDFInfo
- Publication number
- CN208641028U CN208641028U CN201720778128.XU CN201720778128U CN208641028U CN 208641028 U CN208641028 U CN 208641028U CN 201720778128 U CN201720778128 U CN 201720778128U CN 208641028 U CN208641028 U CN 208641028U
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- noise
- sound
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- outer cup
- earmuff
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Abstract
A kind of noise-proof earmuff belongs to earmuff technical field.Head bow both ends, which pass through two Swing Arms respectively and connect with outer cover cup axle, to be rotatably assorted, ear pad coil assembly is arranged in outer cup fit inside, it is equipped with interior cup in outer cup, sound-absorbing spongy layer is filled in interior cup, sound-isolating sponge layer is equipped between outer cup, interior cup.A kind of above-mentioned noise-proof earmuff uses Double-layer sound-insulation structure, and built-in high acoustic absorption, replaceable sound-isolating sponge layer, sound-absorbing spongy layer can be with noise insulations, decaying noise；It can also adjust head according to user head dummy and bend to proper height, it is convenient to wear, it is suitable for slight noisy environment, high noise environments use.
Description
Technical field
The utility model belongs to earmuff technical field, specially a kind of noise-proof earmuff.
Background technique
Noise is the sound that one kind causes that people is irritated or volume is too strong and is detrimental to health, and pollution is mainly derived from friendship
Logical transport, vehicle whistle, industrial noise, construction, social noise etc..The harm of noise is very big, and meeting hearing damage has detection
Hearing will be damaged after showing when people continuously listens motorcycle sound 8 small；If people's listens after the half an hour of the rock music Room
Power will be damaged；Homininoxious cardiovascular system, China show the investigation of city noise and residents ' health regional noise
Every to rise one decibel, Hypertension incidence is increased by 3%；The nervous system for influencing people makes one irritable, irritability；Sleep is influenced to cause
It is tired out.Noise control earmuff is the personal protective equipment for protecting the sense of hearing of people to damage from intense noise.Existing noise control ear cover structure
Varied, certain structures are fixed, have no idea adjusting size and angle, or prevent that hot-tempered effect is not significant.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is that design provides a kind of antinoise ear
The technical solution of cover, uses Double-layer sound-insulation structure, built-in high acoustic absorption, replaceable sound-isolating sponge layer, sound-absorbing spongy layer, can be with
Noise insulation, decaying noise；It can also adjust head according to user head dummy and bend to proper height, it is convenient to wear.
A kind of noise-proof earmuff, including head bow, outer cup, it is characterised in that head bow both ends pass through two respectively and shake
Swing arm connects with outer cover cup axle and is rotatably assorted, and ear pad coil assembly is arranged in outer cup fit inside, is equipped with interior cup in outer cup,
It is filled with sound-absorbing spongy layer in interior cup, sound-isolating sponge layer is equipped between outer cup, interior cup.
A kind of noise-proof earmuff, it is characterised in that the ear pad coil assembly includes aural grommet bottom plate, aural grommet
Aural grommet sound-absorbing sponge layer is equipped on bottom plate 501, cladding setting aural grommet crust outside aural grommet sound-absorbing sponge layer.
A kind of noise-proof earmuff, it is characterised in that inserted link is fixedly installed in head bow both ends respectively, and Swing Arm is axially set
Long through-hole is set, the long through-hole grafting of inserted link and Swing Arm is slidably matched.
A kind of noise-proof earmuff, it is characterised in that one group of small through hole is set on the interior cup.
A kind of noise-proof earmuff, it is characterised in that setting limit strip, the inner wall of outer cup on aural grommet bottom plate
On be correspondingly arranged limit card slot 4, limit strip and limit card slot grafting limit cooperate, and match on aural grommet bottom plate, between outer cup
Close setting O-ring seal.
A kind of noise-proof earmuff, it is characterised in that outer cup two sides are symmetrical arranged hangers, Swing Arm and hangers axis
It connects and is rotatably assorted.
A kind of above-mentioned noise-proof earmuff, uses Double-layer sound-insulation structure, built-in high acoustic absorption, replaceable sound-isolating sponge layer,
Sound-absorbing spongy layer, can be with noise insulation, decaying noise；It can also adjust head according to the head dummy of user and bend to proper height, wear
It wears conveniently, is suitable for slight noisy environment, high noise environments use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model ear pad coil assembly；
Fig. 3 is the schematic diagram of the section structure of cup cooperation inside and outside the utility model；
In figure: 1- bows, 2- inserted link, 3- Swing Arm, 4- outer cup, 401- hangers, 402- limit card slot, 5- aural grommet group
Part, 501- aural grommet bottom plate, 502- aural grommet sound-absorbing sponge layer, 503- aural grommet crust, 504- limit strip, 6-O type sealing ring,
Cup, 701- small through hole, 8- sound-absorbing spongy layer, 9- sound-isolating sponge layer in 7-.
Specific embodiment
Below in conjunction with Figure of description, the utility model is described in further detail.
As described in Figure, the noise-proof earmuff, including head bend 1, outer cup 4, and head bends 1 both ends and passes through two Swing Arms 3 respectively
It connects and is rotatably assorted with outer 4 axis of cup, ear pad coil assembly 5 is arranged in outer 4 fit inside of cup, is equipped with interior cup in outer cup 4
7, sound-absorbing spongy layer 8 is filled in interior cup 7, is equipped with sound-isolating sponge layer 9 between outer cup 4, interior cup 7.Interior cup 7
The sound-absorbing spongy layer 8 of interior filling, can take out replacement, it is also possible to clear water cleaning.The sound-absorbing spongy layer 8 is foamed using polyethers
Material is made.The ear pad coil assembly 5 includes aural grommet bottom plate 501, is equipped with aural grommet sound-absorbing on aural grommet bottom plate 501
Continuous layer 502, cladding setting aural grommet crust 503 outside aural grommet sound-absorbing sponge layer 502.Inserted link is fixedly installed in 1 both ends of head bow respectively
2, the axial setting long through-hole of Swing Arm 3, inserted link 2 and the long through-hole grafting of Swing Arm 3 are slidably matched.It is set on the interior cup 7
One group of small through hole 701 is set, small through hole 701 has the purposes for eliminating echo.Setting limit strip 504 on aural grommet bottom plate 501, outside
It is correspondingly arranged limit card slot 402 on the inner wall of cup 4, limit strip 504 and 402 grafting of limit card slot limit cooperate, when installation
It will not misplace；On aural grommet bottom plate 501, it is equipped with O-ring seal 6 between outer cup 4, there is better soundproof effect.Outside
4 two sides of cup are symmetrical arranged hangers 401, and Swing Arm 3 connects with 401 axis of hangers and is rotatably assorted.Sound-isolating sponge layer 9 uses PU foaming material
Material is made.Outer cup 4 is made of ABS757 material.If Swing Arm 3 fractures, it can replace, by Swing Arm 3 with respect to normal use
Direction, which is rotated by 90 °, to separate it or install with head bow 1, and outer cup 4 is rotated by 90 ° and can be incited somebody to action relative to normal use direction
It separates or installs with Swing Arm 3.
Above-mentioned noise-proof earmuff, using Double-layer sound-insulation structure, built-in high acoustic absorption, replaceable sound-absorbing spongy layer 8, sound insulation sea
Continuous layer 9, can be with noise insulation, decaying noise；Head bow 1 can also be adjusted to proper height, wearing side according to the head dummy of user
Just, it is suitable for slight noisy environment, high noise environments use.
Claims (6)
1. a kind of noise-proof earmuff, including head bend (1), outer cup (4), it is characterised in that head bow (1) both ends pass through two respectively
Swing Arm (3) connects with outer cup (4) axis and is rotatably assorted, and ear pad coil assembly (5) are arranged in outer cup (4) fit inside, outer cup (4)
It is inside equipped with interior cup (7), is filled with sound-absorbing spongy layer (8) in interior cup (7), between outer cup (4), interior cup (7)
It is equipped with sound-isolating sponge layer (9).
2. a kind of noise-proof earmuff as described in claim 1, it is characterised in that the ear pad coil assembly (5) includes aural grommet
Bottom plate (501) is equipped with aural grommet sound-absorbing sponge layer (502) on aural grommet bottom plate (501), and aural grommet sound-absorbing sponge layer (502) is outside
Portion's cladding setting aural grommet crust (503).
3. a kind of noise-proof earmuff as described in claim 1, it is characterised in that inserted link is fixedly installed in head bow (1) both ends respectively
(2), long through-hole is axially arranged in Swing Arm (3), and inserted link (2) and the long through-hole grafting of Swing Arm (3) are slidably matched.
4. a kind of noise-proof earmuff as described in claim 1, it is characterised in that be arranged on the interior cup (7) one group small logical
Hole (701).
5. a kind of noise-proof earmuff as described in claim 1, it is characterised in that setting limit strip on aural grommet bottom plate (501)
(504), it is correspondingly arranged limit card slot (402) on the inner wall of outer cup (4), limit strip (504) and limit card slot (402) grafting
Limit cooperates, and is equipped with O-ring seal (6) on aural grommet bottom plate (501), between outer cup (4).
6. a kind of noise-proof earmuff as described in claim 1, it is characterised in that outer cup (4) two sides are symmetrical arranged hangers
(401), Swing Arm (3) connects with hangers (401) axis and is rotatably assorted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778128.XU CN208641028U (en) | 2017-06-30 | 2017-06-30 | A kind of noise-proof earmuff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778128.XU CN208641028U (en) | 2017-06-30 | 2017-06-30 | A kind of noise-proof earmuff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208641028U true CN208641028U (en) | 2019-03-26 |
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ID=65768976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720778128.XU Active CN208641028U (en) | 2017-06-30 | 2017-06-30 | A kind of noise-proof earmuff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208641028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111698598A (en) * | 2020-03-17 | 2020-09-22 | 苏州力耘智能科技有限公司 | Design method of passive noise reduction earmuffs |
-
2017
- 2017-06-30 CN CN201720778128.XU patent/CN208641028U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111698598A (en) * | 2020-03-17 | 2020-09-22 | 苏州力耘智能科技有限公司 | Design method of passive noise reduction earmuffs |
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