CN205984266U - Sound -absorbing cover - Google Patents

Abstract

The utility model discloses a sound -absorbing cover, including the cover body, its characterized in that: covering and personally experiencing sth. Part of the body including frame, upper cover and lower cover, the chamber is held to inside being equipped with of frame, and frame top is located to the upper cover, and the frame lower part is located to the lower cover, covers under the upper cover reaches and is equipped with netted through -hole respectively, and the appearance intracavity is equipped with inhales the sound granule. The utility model discloses upper cover and lower cover adoption gauze material to through set up a plurality of sound granules of inhaling in the sponge frame, this kind of encapsulation mode makes the enough accurate cross cuttings of cover physical stamina go out arbitrary shape and not influence the absorbing effect who inhales the sound granule, can use in cell -phone, electrical apparatus and public place, and its simple structure, application scope is wide, and absorbing effect is good.

Description

A kind of sound-absorbing cover

Technical field

This utility model is related to wireless telecommunications muffling device field, more particularly, to a kind of sound-absorbing cover.

Background technology

Chinese Patent Application No.：201120336939.7, disclose a kind of blimp, including being set in outside plant equipment Microporous layers, the sound proofing enclosure being set in outside microporous layers and the sound-absorbing spongy layer being arranged between microporous layers and sound proofing enclosure.

Chinese Patent Application No.：200820166044.1, disclose a kind of pocket type acoustic hood, more particularly, to one kind is used for covering The pocket type acoustic hood of dress compressor of air conditioner.A kind of pocket type acoustic hood, is made up of the bag and inside stuffing of hollow, described inside Implant is made up of layer of PVC, damping flaggy and glass cotton layer, and described damping flaggy is innermost layer, and glass cotton layer is intermediate layer, Layer of PVC is outermost layer.

Chinese Patent Application No.：201420506905.1, disclose one kind and can hang formula blimp, belong to noise reduction sound insulation and set Standby technical field.Including cover body, elastic base, adjustment cushion block and connector, the bottom of described cover body has opening, should Opening inserts the seat intracavity of elastic base, and the seat chamber that described adjustment cushion block is arranged on elastic base by connector is wherein On the wall of side, change the gap between adjustment cushion block and cover body lateral wall by left and right adjusting connector, thus realizing cover body Grafting with elastic base is locked/is unclamped.

Foregoing invention creates complex structure, and soundproof effect is not good, and can only realize soundproof effect on single product.

Utility model content

The purpose of this utility model is, overcomes the drawbacks described above of prior art, provides a kind of structure simple, design is closed Reason, can be using a kind of sound-absorbing cover that can play good sound-absorbing effect in mobile phone, electrical equipment and public place.

For achieving the above object, the technical scheme that this utility model provides is as follows：A kind of sound-absorbing cover, including cover body, described Cover body includes framework, upper lid and lower cover, and lower portion is provided with cavity volume, is above covered on framework upper, under be covered on lower frame, on Lid and under cover and be respectively equipped with netted open-end hole, be provided with some sound-absorbing granules in cavity volume.

Wherein, sound-absorbing particle diameter is 0.2 to 0.5mm.

Wherein, Shang Gai and under cover setting netted open-end hole mesh number be respectively 180 to 480 mesh.

Wherein, mask body shape is rectangle, or circular, or triangle.

Wherein, framework material is sponge.

Wherein, upper lid and lower cover material are grenadine.

Usefulness of the present utility model is：By framework is adopted sound-absorbing sponge material, upper lid and lower cover adopt gauze Material, enables whole body to be accurately die cut any shape, and by arranging some sound-absorbings in sound-absorbing sponge framework Granule, so as to be provided with more preferable sound-absorbing effect, can use in mobile phone, electrical equipment and public place, and its structure is simple, applicable model Enclose wide, sound-absorbing effect is good.

Brief description

Fig. 1 is a kind of decomposing schematic representation of sound-absorbing cover of this utility model；

Fig. 2 is a kind of schematic perspective view of sound-absorbing cover of this utility model.

Specific embodiment

Below in conjunction with the accompanying drawings and preferred embodiment is further described with regard to the technical solution of the utility model.

As Figure 1-Figure 2, a kind of sound-absorbing cover described in the utility model, including cover body 1, cover body 1 includes framework 2, on Lid 3 and lower cover 4, is provided with cavity volume 21 inside framework 1, upper lid 3 located at framework 2 top, lower cover 4 located at framework 2 bottom, upper lid 3 and Netted open-end hole 5 is respectively equipped with lower cover 4, in cavity volume 21, is provided with some sound-absorbing granules 6.

Further, a diameter of 0.2 to the 0.5mm of sound-absorbing granule 6.

Further, upper netted open-end hole 5 mesh number covering setting on 3 and lower cover 4 is respectively 180 to 480 mesh.

Further, cover body 1 is shaped as rectangle, or circular, or triangle.

Further, framework 2 material is sponge, and upper lid 3 and lower cover 4 material are grenadine.

Further, sound-absorbing granule 6 can play the effect of expanded volume, when acting on mobile phone, can reduce speaker Resonant frequency.

More than, by framework 2 is adopted sound-absorbing sponge material, upper lid 3 and lower cover 4 adopt gauze material, and by inhaling The some sound-absorbing granules 6 of setting in sound sponge framework 2, this kind of packaged type enable body 1 be accurately die cut any shape and Do not affect the sound-absorbing effect of sound-absorbing granule 6, can use in mobile phone, electrical equipment and public place, its structure is simple, the scope of application Extensively, sound-absorbing effect is good.

Above-described is only principle of the present utility model and preferred embodiment.It should be pointed out that the common skill to this area For art personnel, moreover it is possible to make some modifications and improvement on the premise of without departing from this utility model principle, also should be regarded as belonging to In protection domain of the present utility model.

Claims (6)

1. a kind of sound-absorbing cover, including cover body it is characterised in that：Described cover body includes framework, upper lid and lower cover, and lower portion is provided with Cavity volume, is above covered on framework upper, under be covered on lower frame, Shang Gai and under cover and be respectively equipped with netted open-end hole, set in cavity volume There are some sound-absorbing granules.

2. a kind of sound-absorbing cover according to claim 1 it is characterised in that：Described sound-absorbing particle diameter is 0.2 to 0.5mm.

3. a kind of sound-absorbing cover according to claim 1 it is characterised in that：Described Shang Gai and under cover the netted open-end hole of setting Mesh number is respectively 180 to 480 mesh.

4. a kind of sound-absorbing cover according to claim 1 it is characterised in that：Described mask body shape is rectangle, or circular, or three Angular.

5. a kind of sound-absorbing cover according to claim 1 it is characterised in that：Described framework material is sponge.

6. a kind of sound-absorbing cover according to claim 1 it is characterised in that：Described upper lid and lower cover material are grenadine.