Waterproof microphone hole gasket
By coating the bottom of the mesh with a waterproof coating and adding a covering part on the outer perimeter to increase the bonding area, the problems of poor waterproof performance and weak structure of traditional gaskets are solved, achieving a higher waterproof rating and connection strength.
Patent Information
- Application Number
- CN202520136513.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Traditional mesh gaskets lack waterproofing and have an unstable structure, resulting in low waterproof ratings for electronic devices and easy separation between the mesh and the gasket.
A waterproof coating is applied to the bottom surface of the mesh, and multiple covering parts are arranged circumferentially on the outer periphery of the mesh to increase the bonding area with the gasket body and enhance the connection strength using an adhesive layer.
This improved the waterproof performance of the mesh and the connection strength with the gasket body, solving the problems of poor waterproof performance and weak structure.
Smart Images

Figure CN223892679U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gasket technical field especially relates to a waterproof microphone hole gasket. BACKGROUND
[0002] Many intelligent devices on the market in order to be able to realize voice control interconnection, generally are equipped with sound pickup, for example, mobile phone, tablet computer, earphone etc.. Sound pickup generally are installed in the inside of device shell, in order to ensure the sound pickup quality of sound pickup, the shell generally will be set with a microphone hole, thereby ensuring that sound pickup can normally receive sound. However, in order to avoid dust or foreign matter from the microphone hole into the shell interior, the inside of microphone hole generally will be provided with a gasket with gauze, thereby blocking the entry and exit of dust or foreign matter. However, due to the lack of waterproof performance of the traditional gauze, therefore, the waterproof level of electronic device installed with this kind of gasket is low, there is the problem of inconvenient use. In addition, for small microphone hole gasket, due to its small size, the area of gauze is also relatively less, the contact area between gauze and gasket is also relatively less, if subjected to external force, gauze and gasket are easy to appear the phenomenon of separation, there is the problem of structure not firm. SUMMARY
[0003] The utility model wants to solve the technical problem in, provide a waterproof microphone hole gasket, solve the problem of previous waterproof performance is poor, structure is not firm.
[0004] To solve the above technical problem, the utility model discloses a waterproof microphone hole gasket, including gasket body, the top surface of gasket body is equipped with the first adhesive layer, the bottom surface of gasket body is equipped with the second adhesive layer, the bottom surface of second adhesive layer is equipped with gauze, the bottom surface of gauze is coated with waterproof paint, the bottom surface of waterproof paint is equipped with the third adhesive layer, the bottom surface of third adhesive layer is equipped with release film layer;The upper side, the lower side, the left side and the right side of gauze all extend outward and be provided with the cladding portion of trapezoidal shape, to make the cladding groove between adjacent two cladding portions, each cladding portion is equipped with the fourth adhesive layer towards the end surface of gasket body;In the assembly state, each cladding portion is all folded towards the side surface of gasket body, to make cladding portion stick to the outside of gasket body.
[0005] Among them, the model of gauze is SAATI-B118HY.
[0006] Among them, the first adhesive layer, second adhesive layer, third adhesive layer and fourth adhesive layer are double-sided adhesive.
[0007] Among them, the model of double-sided adhesive is TESA61335.
[0008] Among them, second adhesive layer and fourth adhesive layer are integrally formed structure.
[0009] The thickness of the gasket body is 0.9mm.
[0010] The thickness of the first adhesive layer, the thickness of the second adhesive layer, the thickness of the third adhesive layer and the thickness of the fourth adhesive layer are all 0.2mm.
[0011] The thickness of the mesh screen is 0.07mm.
[0012] The gasket body is arranged in a rectangular shape.
[0013] The release film layer extends outwardly to a tear-off portion, and the thickness of the release film layer is 0.2mm.
[0014] Compared with the prior art, the embodiments of the utility model have the following beneficial effects:
[0015] (1) A layer of waterproof paint is coated on the bottom surface of the mesh screen, so that the mesh screen has certain waterproof performance, and the problem of poor waterproof performance in the prior art is solved.
[0016] (2) A plurality of cladding portions are arranged on the outer circumferential side of the mesh screen, the cladding portions increase the bonding area between the mesh screen and the gasket body, thereby improving the connection strength between the mesh screen and the gasket body, and the problem of poor connection in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0018] Fig. 1 It is an exploded view of the waterproof microphone hole gasket in the utility model;
[0019] Fig. 2 It is a structural schematic view of the mesh screen in the utility model. DETAILED DESCRIPTION
[0020] In order to make the personnel in the technical field better understand the technical scheme of the utility model, the technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only some embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] The terms "first", "second", and the like in the description and claims of the present utility model and the above drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, device, product or server including a series of steps or units is not limited to the listed steps or units, but can optionally further include steps or units not listed, or can optionally further include other steps or units inherent to the process, method, product or server.
[0022] Reference herein to "embodiment" means that the particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present utility model. The appearance of the phrase in various places in the specification does not necessarily all refer to the same embodiment, nor does it necessarily exclude other embodiments. It is explicitly and implicitly understood that the embodiments described herein can be combined with other embodiments.
[0023] The utility model discloses a specific implementation of waterproof microphone hole gasket, see Figs. 1-2 , including gasket body 1, the top surface of gasket body 1 is equipped with first adhesive layer 41, first adhesive layer 41 mainly and the base plate or release paper of outside are bonded, to facilitate the production of large quantities of gasket.
[0024] In the embodiment, the bottom surface of gasket body 1 is equipped with second adhesive layer 42, the bottom surface of second adhesive layer 42 is equipped with gauze 2, the bottom surface of gauze 2 is coated with waterproof paint. It should be explained that the waterproof paint is the conventional waterproof paint on the market, preferably polyurethane material as the main waterproof paint. The bottom surface of waterproof paint is equipped with third adhesive layer 43, and the bottom surface of third adhesive layer 43 is equipped with release film layer 3.
[0025] As an improvement, the upper side, the lower side, the left side and the right side of the gauze 2 all extend outwardly to form a trapezoidal-shaped cladding portion 21, so that a cladding groove 22 is formed between the adjacent two cladding portions 21, and each cladding portion 21 is provided with a fourth adhesive layer towards the end surface of the gasket body 1. When preparing the cladding portion 21, an inclined cladding groove 22 can be formed at the four corner positions of the gauze 2, thereby forming the cladding portion 21. Optionally, the second adhesive layer 42 and the fourth adhesive layer are integrally formed, and during production, the adhesive layer can be combined with the gauze 2 first, and then the cladding groove 22 is opened, so that the second adhesive layer 42 and the fourth adhesive layer are connected and form an integral structure.
[0026] In the assembled state, each covering part 21 is folded towards the side of the gasket body 1 so that the covering part 21 adheres to the outer side of the gasket body 1. By providing multiple covering parts 21 arranged at intervals along the circumference of the mesh 2 on the outer periphery of the mesh 2, the bonding area between the mesh 2 and the gasket body 1 is increased by using the covering parts 21, thereby improving the connection strength between the mesh 2 and the gasket body 1 and solving the previous problem of weak connection.
[0027] As a preferred option, the mesh 2 is model SAATI-B118HY, which has excellent acoustic performance and sufficient air permeability to ensure normal sound pickup. Optionally, the thickness of the mesh 2 is 0.07mm.
[0028] In this embodiment, the first adhesive layer 41, the second adhesive layer 42, the third adhesive layer 43, and the fourth adhesive layer are all double-sided adhesives. Specifically, the double-sided adhesive is TESA61335, a black PET-based double-sided tape with a total thickness of 200μm, using a modified acrylic adhesive system, which provides strong adhesion and excellent weather resistance. Optionally, the thicknesses of the first adhesive layer 41, the second adhesive layer 42, the third adhesive layer 43, and the fourth adhesive layer are all 0.2mm.
[0029] In this embodiment, the gasket body 1 is rectangular in shape and has a thickness of 0.9 mm. Additionally, the release film layer 3 extends outwards with a tear-off portion 31, and the release film layer 3 has a thickness of 0.2 mm.
[0030] The waterproof pore gasket of this embodiment has a certain waterproof performance by coating the bottom surface of the mesh 2 with a layer of waterproof coating, which solves the problem of poor waterproof performance in the past.
[0031] Finally, it should be noted that the waterproof pore gasket disclosed in this utility model embodiment is only a preferred embodiment of this utility model and is only used to illustrate the technical solution of this utility model, not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of this utility model.
Claims
1. A waterproof pore gasket, characterized in that, The device includes a gasket body, a first adhesive layer on the top surface of the gasket body, a second adhesive layer on the bottom surface of the gasket body, a mesh on the bottom surface of the second adhesive layer, a waterproof coating on the bottom surface of the mesh, a third adhesive layer on the bottom surface of the waterproof coating, and a release film layer on the bottom surface of the third adhesive layer. The upper, lower, left, and right sides of the mesh extend outwards to form trapezoidal covering portions, thereby creating covering grooves between adjacent covering portions. Each covering portion has a fourth adhesive layer on its end face facing the gasket body. In the assembled state, each of the covering parts is folded toward the side of the gasket body so that the covering part adheres to the outer side of the gasket body.
2. The waterproof pore gasket according to claim 1, characterized in that, The mesh is model SAATI-B118HY.
3. A waterproof pore gasket according to claim 1, characterized in that, The first adhesive layer, the second adhesive layer, the third adhesive layer and the fourth adhesive layer are all double-sided adhesive.
4. A waterproof pore gasket according to claim 3, characterized in that, The double-sided adhesive tape is model TESA61335.
5. A waterproof pore gasket according to claim 1 or 3, characterized in that, The second adhesive layer and the fourth adhesive layer are integrally molded structures.
6. A waterproof pore gasket according to claim 1, characterized in that, The thickness of the gasket body is 0.9 mm.
7. A waterproof pore gasket according to claim 1, characterized in that, The thicknesses of the first adhesive layer, the second adhesive layer, the third adhesive layer, and the fourth adhesive layer are all 0.2 mm.
8. A waterproof pore gasket according to claim 1, characterized in that, The thickness of the mesh is 0.07 mm.
9. A waterproof pore gasket according to claim 1, characterized in that, The gasket body is rectangular in shape.
10. A waterproof pore gasket according to claim 1, characterized in that, The release film extends outward to form a tear portion, and the thickness of the release film is 0.2 mm.