Waterproof breathable membrane assembly

Abstract

The utility model discloses a waterproof breathable film component, which comprises a blue film layer, a waterproof breathable film layer and a pressure-sensitive adhesive layer, the blue film layer comprises a body and a handle part which are connected, and the body and the handle part are coplanar; the outer contour size of the waterproof breathable film layer is the same as that of the body, and the waterproof breathable film layer and the blue film layer are fixed in an electrostatic adsorption mode. The whole pressure-sensitive adhesive layer is in an annular frame shape, the outer contour size of the pressure-sensitive adhesive layer is the same as that of the waterproof breathable film layer, and the pressure-sensitive adhesive layer is connected with the side, away from the blue film layer, of the waterproof breathable film layer; the length of the body is 8.18 + / -0.08 mm, the width of the body is 2.08 + / -0.08 mm, and the weight of the waterproof breathable film layer is 5 + / -0.1 g. According to the waterproof breathable film assembly, the size and the weight of the blue film layer are reasonably set, and when a worker uncovers the blue film layer, the blue film layer cannot damage the waterproof breathable film layer and cannot enable the waterproof breathable film layer and the pressure-sensitive adhesive layer to be separated.

Description

Technical Field

[0001] The utility model relates to the technical field of waterproof and breathable structures, in particular to a waterproof and breathable membrane component. Background Art

[0002] With the popularity of smartphones and mobile devices, the market demand for micro speakers continues to increase. At the same time, more and more users want their devices to be waterproof to avoid damage to the device due to accidents during use. To this end, micro speakers need to be attached with waterproof and breathable membranes.

[0003] The waterproof breathable membrane assembly includes a pressure-sensitive adhesive layer, a waterproof breathable membrane layer and a blue film layer which are stacked and connected in sequence. The blue film layer is generally made of PET film material. After the waterproof breathable membrane assembly is fixed to the corresponding position of the micro speaker by the pressure-sensitive adhesive layer, the staff can remove the blue film layer.

[0004] The size and weight of the blue film layer will have a certain impact on the waterproof and breathable film layer. If the blue film layer is too large and too heavy, when the blue film layer is removed, the waterproof and breathable film layer may be lifted up along with the blue film layer, and the non-woven fabric of the waterproof and breathable film layer may be delaminated. Utility Model Content

[0005] The technical problem solved by the utility model is to provide a waterproof and breathable membrane component with an easily separable blue membrane layer.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a waterproof breathable membrane assembly, comprising:

[0007] A blue film layer, the blue film layer comprising a main body and a handle portion connected to each other, the main body and the handle portion being coplanar;

[0008] A waterproof and breathable membrane layer, wherein the outer contour size of the waterproof and breathable membrane layer is the same as the outer contour size of the main body, and the waterproof and breathable membrane layer is fixed to the blue membrane layer by electrostatic adsorption;

[0009] A pressure-sensitive adhesive layer, the pressure-sensitive adhesive layer is in a ring frame shape as a whole, the outer contour size of the pressure-sensitive adhesive layer is the same as the outer contour size of the waterproof and breathable membrane layer, and the pressure-sensitive adhesive layer is connected to the side of the waterproof and breathable membrane layer away from the blue film layer;

[0010] The length of the main body is 8.18±0.08 mm, the width of the main body is 2.08±0.08 mm, and the weight of the waterproof and breathable membrane layer is 5±0.1 g.

[0011] In one embodiment, the thickness of the body is 0.075±0.03 mm.

[0012] In one embodiment, the corner of the body is a first rounded corner, and the radius of the first rounded corner is 0.6±0.08 mm.

[0013] In one embodiment, the length of the handle portion is 1±0.02 mm, and the width of the handle portion is 0.8±0.08 mm.

[0014] In one embodiment, the thickness of the waterproof and breathable membrane layer is 0.07±0.03 mm.

[0015] In one embodiment, the thickness of the pressure-sensitive adhesive layer is 0.1±0.03 mm.

[0016] In one embodiment, the central window of the pressure-sensitive adhesive layer has a length of 6.58±0.08 mm and a width of 0.48±0.08 mm.

[0017] In one embodiment, the corner of the window is a second rounded corner, and the radius of the second rounded corner is 0.2±0.08 mm.

[0018] In one embodiment, the blue film layer is a PET film layer, and the waterproof and breathable film layer is a non-woven fabric layer.

[0019] In one embodiment, a side of the waterproof and breathable membrane layer close to the pressure-sensitive adhesive layer is provided with a plurality of bosses embedded in the pressure-sensitive adhesive layer.

[0020] The beneficial effect of the utility model is that in the waterproof breathable membrane assembly, the size and weight of the blue film layer are reasonably set, and when the staff removes the blue film layer, the blue film layer will not damage the waterproof breathable membrane layer and will not cause the waterproof breathable membrane layer to separate from the pressure-sensitive adhesive layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0022] Figure 1 This is a schematic structural diagram of a waterproof breathable membrane assembly according to Embodiment 1 of the present utility model;

[0023] Figure 2 This is an exploded view of the waterproof breathable membrane assembly of the first embodiment of the utility model;

[0024] Figure 3 This is an exploded view of the waterproof breathable membrane assembly of the second embodiment of the utility model.

[0025] Description of Figure Numbers:

[0026] 1. Blue film layer; 11. Main body; 12. Handle;

[0027] 2. Waterproof and breathable membrane layer; 21. Boss;

[0028] 3. Pressure-sensitive adhesive layer; 31. Window. DETAILED DESCRIPTION

[0029] The purpose, features and advantages of the present invention will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] It should be noted that if the embodiments of the present invention involve directional indications such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0032] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0033] In addition, if the meaning of "and / or" appears in the full text is to include three parallel solutions, taking "and / or" as an example, it includes solutions, or solutions, or solutions that are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0034] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0035] Embodiment 1

[0036] Please refer to Figure 1 and Figure 2 , Embodiment 1 of the present utility model is: a waterproof breathable membrane assembly, which can be used to improve the waterproof performance of a micro speaker.

[0037] The waterproof breathable membrane assembly includes a blue membrane layer 1, a waterproof breathable membrane layer 2 and a pressure-sensitive adhesive layer 3, wherein the blue membrane layer 1 includes a main body 11 and a handle portion 12 connected to each other, wherein the main body 11 and the handle portion 12 are coplanar, that is, the bottom surface of the main body 11 is coplanar with the bottom surface of the handle portion 12, and the top surface of the main body 11 is coplanar with the top surface of the handle portion 12; the outer contour size of the waterproof breathable membrane layer 2 is the same as the outer contour size of the main body 11, and the waterproof breathable membrane layer 2 is fixed to the blue membrane layer 1 by electrostatic adsorption; the pressure-sensitive adhesive layer 3 is in the shape of a ring frame as a whole, that is, a window 31 is provided in the center of the pressure-sensitive adhesive layer 3, the outer contour size of the pressure-sensitive adhesive layer 3 is the same as the outer contour size of the waterproof breathable membrane layer 2, and the pressure-sensitive adhesive layer 3 is connected to the side of the waterproof breathable membrane layer 2 away from the blue membrane layer 1;

[0038] The length of the main body 11 is 8.18±0.08mm, and the width of the main body 11 is 2.08±0.08mm, that is, the length of the waterproof and breathable membrane layer 2 is 8.18±0.08mm, and the width of the waterproof and breathable membrane layer 2 is 2.08±0.08mm. The length of the outer contour of the pressure-sensitive adhesive layer 3 is 8.18±0.08mm, and the width of the outer contour of the pressure-sensitive adhesive layer 3 is 2.08±0.08mm; the overall weight of the waterproof and breathable membrane layer 2 is 5±0.1g.

[0039] The thickness of the main body 11 is 0.075±0.03 mm, the thickness of the waterproof and breathable membrane layer 2 is 0.07±0.03 mm, and the thickness of the pressure-sensitive adhesive layer 3 is 0.1±0.03 mm.

[0040] The corner of the body 11 is a first rounded corner, and the radius of the first rounded corner is 0.6±0.08 mm.

[0041] The length of the handle portion 12 is 1±0.02 mm, and the width of the handle portion 12 is 0.8±0.08 mm.

[0042] The length of the central window 31 of the pressure-sensitive adhesive layer 3 is 6.58±0.08 mm, the width is 0.48±0.08 mm, and the corner of the window 31 is a second rounded corner, the radius of which is 0.2±0.08 mm.

[0043] In this embodiment, the blue film layer 1 is a PET film layer, and the waterproof and breathable film layer 2 is a non-woven fabric layer.

[0044] Embodiment 2

[0045] Please refer to Figure 3 Embodiment 2 of the present invention is a further improvement made on the basis of embodiment 1, and is different from embodiment 1 in that: a plurality of bosses 21 embedded in the pressure-sensitive adhesive layer 3 are provided on the side of the waterproof breathable membrane layer 2 close to the pressure-sensitive adhesive layer 3, so that the contact area between the waterproof breathable membrane layer 2 and the pressure-sensitive adhesive layer 3 can be increased, thereby improving the bonding force between the two, and further avoiding the peeling phenomenon between the waterproof breathable membrane layer 2 and the pressure-sensitive adhesive layer 3 to a greater extent.

[0046] The boss 21 is a partial area of ​​the waterproof and breathable membrane layer 2, and the boss 21 can be formed by pressing.

[0047] The above are only optional embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A waterproof breathable membrane assembly, characterized in that: include A blue film layer, the blue film layer comprising a main body and a handle portion connected to each other, the main body and the handle portion being coplanar; A waterproof and breathable membrane layer, wherein the outer contour size of the waterproof and breathable membrane layer is the same as the outer contour size of the main body, and the waterproof and breathable membrane layer is fixed to the blue membrane layer by electrostatic adsorption; A pressure-sensitive adhesive layer, the pressure-sensitive adhesive layer is in a ring frame shape as a whole, the outer contour size of the pressure-sensitive adhesive layer is the same as the outer contour size of the waterproof and breathable membrane layer, and the pressure-sensitive adhesive layer is connected to the side of the waterproof and breathable membrane layer away from the blue film layer; The length of the main body is 8.18±0.08 mm, the width of the main body is 2.08±0.08 mm, and the weight of the waterproof and breathable membrane layer is 5±0.1 g.

2. The waterproof breathable membrane assembly according to claim 1, characterized in that: The thickness of the body is 0.075±0.03 mm.

3. The waterproof breathable membrane assembly according to claim 1, characterized in that: The corner of the body is a first rounded corner, and the radius of the first rounded corner is 0.6±0.08 mm.

4. The waterproof breathable membrane assembly according to claim 1, characterized in that: The length of the handle portion is 1±0.02 mm, and the width of the handle portion is 0.8±0.08 mm.

5. The waterproof breathable membrane assembly according to claim 1, characterized in that: The thickness of the waterproof and breathable membrane layer is 0.07±0.03 mm.

6. The waterproof breathable membrane assembly according to claim 1, characterized in that: The thickness of the pressure-sensitive adhesive layer is 0.1±0.03 mm.

7. The waterproof breathable membrane assembly according to claim 1, characterized in that: The length of the central window of the pressure-sensitive adhesive layer is 6.58±0.08 mm, and the width is 0.48±0.08 mm.

8. The waterproof breathable membrane assembly according to claim 7, characterized in that: The corner of the window is a second rounded corner, and the radius of the second rounded corner is 0.2±0.08mm.

9. The waterproof breathable membrane assembly according to claim 1, characterized in that: The blue film layer is a PET film layer, and the waterproof and breathable film layer is a non-woven fabric layer.

10. The waterproof breathable membrane assembly according to claim 1, characterized in that: A plurality of bosses embedded in the pressure-sensitive adhesive layer are arranged on one side of the waterproof and breathable membrane layer close to the pressure-sensitive adhesive layer.

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