CN210469727U

CN210469727U - Flame-retardant dustproof breathable film based on loudspeaker

Info

Publication number: CN210469727U
Application number: CN201921543921.7U
Authority: CN
Inventors: 唐军茂
Original assignee: Shenzhen Anda Lotus Converting Co ltd
Current assignee: Shenzhen Anda Lotus Converting Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-05-05
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to a loudspeaker technical field discloses a fire-retardant dustproof ventilated membrane based on loudspeaker, paste the gluey paster structure on ventilated membrane structure top including ventilated membrane structure and embedding, the ventilated membrane structure includes the ventilated membrane body, the outside fixedly connected with annular rand on ventilated membrane body's top, and the top of ventilated membrane body is located the inboard of annular rand and paste and have the inlayer double faced adhesive tape, the inboard that the top of ventilated membrane body is located the inlayer double faced adhesive tape is seted up flutedly, the recess double faced adhesive tape has been pasted to the inboard bottom of recess. The utility model discloses a recess and the annular rand of ventilated membrane structure are embedded into outside loudspeaker shell, and rethread recess double faced adhesive tape, inlayer double faced adhesive tape and outer double faced adhesive tape bond together with loudspeaker shell simultaneously to can improve the bonding effect of ventilated membrane and loudspeaker, and then can prevent effectively that sensitive speaker, microphone and the receiver in the loudspeaker from receiving the influence of factors such as water, dust, high temperature.

Description

Flame-retardant dustproof breathable film based on loudspeaker

Technical Field

The utility model relates to a loudspeaker technical field specifically is a fire-retardant dustproof ventilated membrane based on loudspeaker.

Background

The use environment of portable wireless equipment such as cell-phone, panel computer is generally comparatively abominable, acid-base pollutants such as probably contact water, dust to harm electronic component such as sensitive speaker, microphone and receiver in the loudspeaker, consequently, must protect it, prevent that it from receiving the pollution and damaging, the egg must make sound normal transmission again, and this problem can be solved well to waterproof ventilated membrane, and it is waterproof and ventilative can also balance the internal and external pressure in the casing, guarantees that sound normally sees through.

However, the breathable films used in the existing market generally have the problem of infirm bonding, and when the loudspeaker is used for a long time, gaps are easily formed at the joint of the breathable films and the loudspeaker, so that water, dust and the like enter the loudspeaker, and sensitive elements in the loudspeaker are damaged. Accordingly, one skilled in the art provides a horn-based flame-retardant, dust-proof, breathable film to solve the above-mentioned problems of the background art.

Disclosure of Invention

An object of the utility model is to provide a fire-retardant dustproof ventilated membrane based on loudspeaker to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a flame-retardant dustproof breathable film based on a loudspeaker, which comprises a breathable film structure and a glue patch structure embedded and pasted at the top end of the breathable film structure, the breathable film structure comprises a breathable film body, an annular collar is fixedly connected to the outer side of the top end of the breathable film body, an inner layer double faced adhesive tape is adhered to the top end of the breathable film body on the inner side of the annular clamping ring, a groove is formed in the top end of the breathable film body on the inner side of the inner layer double faced adhesive tape, the bottom end of the inner side of the groove is adhered with a groove double-faced adhesive tape, the top end of the annular clamping ring is adhered with an outer double-faced adhesive tape, the adhesive patch structure comprises an inner sealing patch, the outer layer of the top end of the inner sealing patch is fixedly connected with a side ring patch, and the top of interior mounting is located the inboard fixedly connected with inner ring paster of side ring paster, and the lateral surface fixedly connected with outer loop paster of interior mounting, the hand of one side fixedly connected with of outer loop paster tears the piece.

As a further aspect of the present invention: the outer ring patch is pasted on the top end of the outer layer double-sided adhesive tape, the side ring patch is pasted on the top end of the inner layer double-sided adhesive tape, the inner ring patch is embedded into the inner side of the groove, the bottom end of the inner ring patch is pasted with the top end of the groove double-sided adhesive tape, and the inner sealing sheet is located on the top end of the breathable film body.

As a further aspect of the present invention: the breathable film body is a member of a multi-fiber microporous structure made of expanded polytetrafluoroethylene, and the inner diameter of a pore of the breathable film body is 0.3-0.6 microns.

As a further aspect of the present invention: the groove double-sided adhesive tape, the inner layer double-sided adhesive tape and the outer layer double-sided adhesive tape are elastic components made of polyacrylate.

As a further aspect of the present invention: the protection grade of the breathable film body is IP 67-IP 69, the breathable amount of the breathable film body is 900-1100 ml/min @7kpa, the sound attenuation amount of the breathable film body is 0.05-2 db, and the working temperature of the breathable film body is-40-150 ℃.

As a further aspect of the present invention: the inner sealing piece, the hand tearing piece, the inner ring patch, the outer ring patch and the side ring patch are all members made of polystyrene.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the recess and the annular rand embedding outside loudspeaker casing to the ventilated membrane structure, rethread recess double faced adhesive tape, inlayer double faced adhesive tape and outer double faced adhesive tape bond together with loudspeaker casing simultaneously to can improve the bonding effect of ventilated membrane and loudspeaker, and then can prevent effectively that sensitive speaker, microphone and the receiver in the loudspeaker from receiving the influence of factors such as water, dust, high temperature, and then guaranteed high-quality sound propagation.

2. Set up the hand through one side at the outer ring paster and tear the piece, when the equipment loudspeaker of mill, the production workman can hold between the fingers the hand and tear the piece, easily follow the structural gluey paster structure of pasting that tears of ventilated membrane, paste the ventilated membrane structure on the loudspeaker shell again, and is convenient, swift, has improved workman's work efficiency, has reduced the manufacturing cost of product.

Drawings

FIG. 1 is a schematic structural view of a horn-based flame-retardant, dust-proof, breathable film;

FIG. 2 is a schematic cross-sectional view of a breathable film structure in a horn-based flame-retardant, dustproof breathable film;

fig. 3 is a schematic bottom view of a glue patch structure in a flame-retardant and dustproof breathable film based on a horn.

In the figure: 1. a breathable film structure; 11. a breathable film body; 12. double-sided adhesive tape of the groove; 13. inner double-sided adhesive tape; 14. outer double-sided adhesive tape; 15. a groove; 16. an annular collar; 2. a glue patch structure; 21. an inner sealing sheet; 22. a hand tear tab; 23. inner ring paster; 24. outer ring paster; 25. a side loop patch.

Detailed Description

Referring to fig. 1-3, in an embodiment of the present invention, a flame-retardant and dustproof breathable film based on a speaker includes a breathable film structure 1 and a tape structure 2 embedded and adhered on a top end of the breathable film structure 1, the breathable film structure 1 includes a breathable film body 11, an annular collar 16 is fixedly connected to an outer side of a top end of the breathable film body 11, an inner double-sided tape 13 is adhered to the top end of the breathable film body 11 at an inner side of the annular collar 16, a groove 15 is formed in the top end of the breathable film body 11 at an inner side of the inner double-sided tape 13, a groove double-sided tape 12 is adhered to a bottom end of the inner side of the groove 15, an outer double-sided tape 14 is adhered to a top end of the annular collar 16, the tape structure 2 includes an inner seal sheet 21, a side ring patch 25 is fixedly connected to an outer layer at a top end of the inner seal sheet, the outer side surface of the inner sealing sheet 21 is fixedly connected with an outer ring patch 24, and one side of the outer ring patch 24 is fixedly connected with a hand tearing sheet 22.

In fig. 2 and 3: outer loop paster 24 pastes on the top of outer double faced adhesive tape 14, and side loop paster 25 pastes on the top of inner double faced adhesive tape 13, and inner loop paster 23 imbeds in the inboard of recess 15, and the bottom of inner loop paster 23 is pasted together with the top of recess double faced adhesive tape 12, and interior mounting 21 is located the top of ventilated membrane body 11 to can make ventilated membrane structure 1 paste together with gluey paster structure 2, guaranteed the security of gluey paster structure 2 before the equipment.

In fig. 2: the breathable film body 11 is a component of a multi-fiber microporous structure made of expanded polytetrafluoroethylene, and the inner diameter of the pores of the breathable film body 11 is 0.3-0.6 micrometers, so that the transparent component has dustproof and breathable effects, and the normal propagation of sound is guaranteed.

In fig. 2: the groove double-sided adhesive tape 12, the inner layer double-sided adhesive tape 13 and the outer layer double-sided adhesive tape 14 are elastic members made of polyacrylate, so that the sealing connection effect of the breathable film body 11 and the loudspeaker shell can be improved, the phenomenon that after long-time use, the breathable film body 11 is in contact with the loudspeaker shell in a pulling mode to cause the external impurities such as water and dust to enter the loudspeaker is avoided, and the sensitive loudspeaker, the microphone and the receiver in the loudspeaker are affected.

In fig. 2: the protection grade of the breathable film body 11 is IP 67-IP 69, the breathable amount of the breathable film body 11 is 900-1100 ml/min @7kpa, the sound attenuation amount of the breathable film body 11 is 0.05-2 db, and the working temperature of the breathable film body 11 is-40-150 ℃, so that a sensitive loudspeaker, a microphone and a receiver in a loudspeaker can be effectively prevented from being influenced by factors such as water, dust, high temperature and the like, and high-quality sound transmission is further ensured.

In fig. 3: the inner sealing sheet 21, the hand tearing sheet 22, the inner ring patch 23, the outer ring patch 24 and the side ring patch 25 are all members made of polystyrene material, so that the groove double-sided adhesive tape 12, the inner layer double-sided adhesive tape 13 and the outer layer double-sided adhesive tape 14 in the breathable film structure 1 can be protected from being polluted through the adhesive patch structure 2.

The utility model discloses a theory of operation: when the equipment loudspeaker of mill, the production workman can hold between the fingers the hand and tear piece 22, tear the gluey paster structure 2 of pasting from ventilated membrane structure 1, lose gluey paster structure 2, recess 15 and annular rand 16 on the ventilated membrane structure 1 are embedded into in the outside loudspeaker shell, rethread recess double faced adhesive tape 12, inlayer double faced adhesive tape 13 and outer double faced adhesive tape 14 glue with the loudspeaker shell simultaneously and be in the same place, alright paste on the loudspeaker shell with ventilated membrane structure 1 is firm, thereby the bonding effect of ventilated membrane and loudspeaker has been improved, prevent effectively that the sensitive speaker in the loudspeaker, microphone and receiver receive water, the dust, the influence of factors such as high temperature, thereby make machining efficiency improve, and the production cost is reduced.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The flame-retardant dustproof breathable film based on the horn comprises a breathable film structure (1) and a glue patch structure (2) embedded and adhered to the top end of the breathable film structure (1), and is characterized in that the breathable film structure (1) comprises a breathable film body (11), an annular collar (16) is fixedly connected to the outer side of the top end of the breathable film body (11), an inner double-faced adhesive tape (13) is adhered to the inner side of the annular collar (16) at the top end of the breathable film body (11), a groove (15) is formed in the inner side of the inner double-faced adhesive tape (13) at the top end of the breathable film body (11), a groove (12) is adhered to the bottom end of the inner side of the groove (15), an outer double-faced adhesive tape (14) is adhered to the top end of the annular collar (16), the glue patch structure (2) comprises an inner seal sheet (21), and a side ring patch (25) is fixedly connected to the outer layer, and the top end of the inner sealing sheet (21) is positioned on the inner side of the side ring patch (25) and is fixedly connected with an inner ring patch (23), the outer side surface of the inner sealing sheet (21) is fixedly connected with an outer ring patch (24), and one side of the outer ring patch (24) is fixedly connected with a hand tearing sheet (22).

2. The horn-based flame-retardant dustproof breathable film according to claim 1, wherein the outer ring patch (24) is adhered to the top end of the outer double-sided adhesive tape (14), the side ring patch (25) is adhered to the top end of the inner double-sided adhesive tape (13), the inner ring patch (23) is embedded inside the groove (15), the bottom end of the inner ring patch (23) is adhered to the top end of the groove double-sided adhesive tape (12), and the inner sealing sheet (21) is positioned at the top end of the breathable film body (11).

3. The horn-based flame-retardant and dustproof breathable film according to claim 1, wherein the breathable film body (11) is a member of a multi-fiber microporous structure made of expanded polytetrafluoroethylene, and the inner diameter of pores of the breathable film body (11) is 0.3 to 0.6 microns.

4. The horn-based flame-retardant dustproof breathable film according to claim 1, wherein the groove double-sided adhesive tape (12), the inner layer double-sided adhesive tape (13) and the outer layer double-sided adhesive tape (14) are all elastic members made of polyacrylate.

5. The horn-based flame-retardant and dustproof breathable film according to claim 1, wherein the protection rating of the breathable film body (11) is IP 67-IP 69, the breathable amount of the breathable film body (11) is 900-1100 ml/min @7kpa, the sound attenuation of the breathable film body (11) is 0.05-2 db, and the operating temperature of the breathable film body (11) is-40-150 ℃.

6. The horn-based flame-retardant, dustproof and breathable film according to claim 1, wherein the inner cover sheet (21), the hand tear sheet (22), the inner ring patch (23), the outer ring patch (24) and the side ring patch (25) are all made of polystyrene.