Mesh cover, mesh cover processing technology and sound generating device

Abstract

The present invention discloses a mesh cover, a processing technology of the mesh cover, and a sound-generating device. The mesh cover includes a cover shell and a mesh cloth, the cover shell includes a cover shell body and a first connecting part, the cover shell body is provided with a first through hole; the first connecting part is arranged on one side of the cover shell body and is arranged at an interval with the first through hole; the mesh cloth includes a sound-transmitting part and a second connecting part, the second connecting part is connected to the sound-transmitting part; the sound-transmitting part is arranged corresponding to the first through hole; the first connecting part and the second connecting part are fused and connected by a hot-melt process. The present invention melts the first connecting part and the second connecting part by a hot-melt process, so that the first connecting part and the second connecting part are fused to form a connecting piece, so as to reduce the gap between the mesh cloth and the cover shell body, so that the cover shell body and the sound-transmitting part fit more closely, so as to reduce the abnormal sound caused by the beating of sound waves under high power.

Description

Technical Field

[0001] The present invention relates to the technical field of loudspeakers, and in particular to a mesh cover, a processing technology of the mesh cover and a sound-generating device. Background Art

[0002] Products with speakers, including speakers, headphones, mobile phones, watches, televisions, etc., all need to be equipped with a sound-emitting device in the direction of the speaker's sound. The sound-emitting device includes a sound-emitting grille, which is installed on the product casing and has a sound-emitting hole.

[0003] There are two main types of sound grilles: 1. A single sound grille, which is a panel that has enough holes to ensure strength and facilitate the transmission of sound. 2. A combination of a sound grille and a sound cloth. The sound grille is responsible for strength and a large opening area and is installed on the product casing. The sound cloth has a fine mesh and is very thin and is installed between the sound grille and the speaker.

[0004] In the related art, the combination of the sound grille and the sound cloth currently has the following problems: if the sound grille and the sound cloth are not tightly fitted, that is, the sound cloth is in the internal space of the sound grille and the speaker, this will increase the space from the front of the speaker to the product casing, thereby increasing the product size and increasing the cost; when the speaker is in a high-power working state, the speaker diaphragm will move significantly to push a large amount of sound waves, and the sound waves will hit the sound cloth or the sound cloth will be hit to the sound grille, causing abnormal sound. This is very common and difficult to solve in the design of actual products. Summary of the invention

[0005] The main purpose of the present invention is to provide a mesh cover, a mesh cover processing technology and a sound-generating device, aiming to solve the problem that the cover shell and the mesh cloth are not tightly fitted.

[0006] To achieve the above object, the mesh cover proposed by the present invention comprises:

[0007] A casing, the casing comprising a casing body and a first connecting portion, the casing body being provided with a first through hole; the first connecting portion being provided at one side of the casing body and being spaced apart from the first through hole; and

[0008] The mesh cloth comprises a sound-transmitting portion and a second connecting portion, wherein the second connecting portion is connected to the sound-transmitting portion; the sound-transmitting portion is arranged corresponding to the first through hole; and the first connecting portion and the second connecting portion are fused and connected by a hot-melt process.

[0009] In one embodiment of the present invention, the first connecting portion is integrally connected to the housing body.

[0010] In one embodiment of the present invention, there are a plurality of first through holes, and the plurality of first through holes are distributed at intervals; a plurality of first connecting portions are disposed around the periphery of each of the first through holes;

[0011] And / or, the sound-transmitting portion is provided with a plurality of second through holes, the second through holes are communicated with the first through holes, and the apertures of the second through holes are smaller than the apertures of the first through holes.

[0012] In one embodiment of the present invention, the mesh cloth is in sheet shape, and the sound-transmitting portion and the second connecting portion are integrally connected.

[0013] In one embodiment of the present invention, there are multiple first connection parts, which are arranged at intervals; there are multiple second connection parts, which are arranged at intervals; and each of the second connection parts is fused with a first connection part through a hot melt process.

[0014] In one embodiment of the present invention, an annular protrusion is provided on the periphery of the casing body, and the annular protrusion and the casing body are combined to form a positioning cavity; the mesh is arranged in the positioning cavity.

[0015] In one embodiment of the present invention, the housing body and the first connecting portion are made of plastic;

[0016] And / or, the sound-transmitting portion and the second connecting portion are both made of plastic.

[0017] In one embodiment of the present invention, a clamping protrusion is provided on the periphery of the cover shell.

[0018] The present invention also provides a mesh cover processing technology, the mesh cover processing technology comprising the following steps:

[0019] Covers and mesh are available;

[0020] Arrange the net on one side of the cover shell, and make the first connecting portion of the cover shell and the second connecting portion of the net cloth fit in a one-to-one correspondence;

[0021] Hot-melting the first connection part and the second connection part so that the first connection part and the second connection part melt and fuse to form a connection piece;

[0022] The connecting piece is cooled and shaped.

[0023] The present invention also provides a sound-generating device, comprising:

[0024] A sound-generating device body, wherein the sound-generating device body is provided with a sound-generating portion; and

[0025] In the mesh cover as described above, the cover body is connected to the sound output part, and the mesh cloth is sandwiched between the cover body and the sound output part.

[0026] The technical solution of the present invention can achieve the purpose of sound emission by forming the first through hole in the shell body, and can prevent foreign objects such as dust from falling on the surface of the speaker and affecting the performance by setting a mesh cloth, and can also avoid directly seeing the speaker unit from the product appearance, thereby maintaining the aesthetics of the product. The present invention melts the first connecting part and the second connecting part through a hot melt process, so that the first connecting part and the second connecting part are fused to form a connecting piece, so as to reduce the gap between the mesh cloth and the shell body, so that the shell body and the sound-transmitting part fit more closely, which can reduce the product volume on the one hand, and greatly reduce the possibility of abnormal sound caused by sound waves beating under high power on the other hand. At the same time, the processing process of the present invention is simple, which can greatly save time and cost, and improve the yield of mass production. In addition, the connecting piece formed after the fusion of the present invention can improve the strength of the shell body. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention 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 present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0028] Figure 1 It is a structural schematic diagram of an embodiment of a mesh cover of the present invention;

[0029] Figure 2 for Figure 1 Schematic diagram of the decomposition of

[0030] Figure 3 for Figure 2 A magnified schematic diagram of center A.

[0031] Description of Figure Numbers:

[0032] Label name Label name 1 Housing 11 Cover body 11a First through hole 12 First connection part 13 Ring bulge 13a Positioning cavity 14 Snap-on protrusion 2 Mesh 21 Transparent part 22 Second connection part

[0033] The implementation, functional features and advantages of the present invention will be further described in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0036] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, 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 technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text is to include three parallel solutions, taking "A and / or B as an example", including solution A, or solution B, or solutions that satisfy both A and B. 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 the field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0037] The invention provides a mesh cover which can be applied to a sound-emitting device.

[0038] In the embodiment of the present invention, Figure 1 , Figure 2 and Figure 3 As shown, the mesh cover comprises:

[0039] A housing 1, comprising a housing body 11 and a first connecting portion 12, wherein the housing body 11 is provided with a first through hole 11a; the first connecting portion 12 is provided at one side of the housing body 11 and is spaced apart from the first through hole 11a; and

[0040] The mesh cloth 2 includes a sound-transmitting portion 21 and a second connecting portion 22, wherein the second connecting portion 22 is connected to the sound-transmitting portion 21; the sound-transmitting portion 21 is arranged corresponding to the first through hole 11a; the first connecting portion 12 and the second connecting portion 22 are fused and connected by a hot-melt process.

[0041] The technical solution of the present invention can achieve the purpose of sound emission by forming the first through hole 11a in the shell body 11. By setting the mesh 2 to prevent foreign objects such as dust from falling on the surface of the speaker and affecting the performance, it can also avoid directly seeing the speaker unit from the product appearance, thereby maintaining the aesthetics of the product. The present invention melts the first connecting part 12 and the second connecting part 22 through a hot melt process, so that the first connecting part 12 and the second connecting part 22 are fused to form a connecting piece, so as to reduce the gap between the mesh 2 and the shell body 11, so that the shell body 11 and the sound-transmitting part 21 fit more closely, which can reduce the product volume on the one hand, and greatly reduce the possibility of abnormal sound caused by sound waves beating under high power on the other hand. At the same time, the processing process of the present invention is simple, which can greatly save time and cost, and improve the yield of mass production. In addition, the connecting piece formed after the fusion of the present invention can improve the strength of the shell body 11.

[0042] The first connection part 12 is provided on the side of the shell body 11 facing the mesh 2, which can facilitate hot-melt operation on the second connection part and the first connection part. In one embodiment, a hot-melt device can be used to perform hot-melt processing from the side of the mesh 2 away from the shell body 11.

[0043] Specifically, the mesh 2 is a fine sound-emitting mesh 2, which is extremely thin and has a fine mesh, wherein the mesh located at the sound-permeable portion 21 is a second through hole for sound emission, and the mesh located at the second connecting portion 22 is a third through hole. In the process of melting and fusing the second connecting portion 22 and the first connecting portion 12, the presence of the third through hole can provide a flow channel for the connecting member that can flow after melting, which can help reduce the gap. It should be noted that in other embodiments, the second connecting portion 22 can be a structure without a third through hole, and the first connecting portion 12 and the second connecting portion 22 are fused and connected through the hot melting and extrusion action of the hot melting device, while the sound-permeable portion 21 is attached to the cover body 11.

[0044] In an embodiment of the present invention, the housing body 11 and the first connecting portion 12 are both made of plastic.

[0045] It is understandable that the use of plastic material is not only convenient for hot-melt processing, but also can save material costs and reduce weight.

[0046] In an embodiment of the present invention, the sound-transmissive portion 21 and the second connecting portion 22 are both made of plastic.

[0047] It is understandable that the use of plastic material is not only convenient for hot-melt processing, but also can save material costs and reduce weight.

[0048] In this embodiment, the first connection part 12 and the second connection part 22 are both made of plastic material. After the first connection part 12 and the second connection part 22 are aligned in place, a hot melt device is used to perform hot melt treatment from the side where the second connection part 22 is located, so that the first connection part 12 and the second connection part 22 are both melted, and the melted first connection part 12 and the second connection part 22 are fused to form a connecting part. After the connecting part is cooled, it can be formed and fixed, thereby realizing a fixed connection between the mesh cloth 2 and the cover shell 1.

[0049] In one embodiment of the present invention, Figure 2 As shown, the mesh cloth 2 is in sheet shape, and the sound-transmitting portion 21 and the second connecting portion 22 are integrally connected.

[0050] It is understandable that the sheet-shaped one-piece mesh 2 has a simple structure and is easy to produce. As mentioned above, in this embodiment, the mesh 2 is a fine sound-emitting mesh 2, the mesh 2 is extremely thin and has a fine mesh, wherein the mesh located at the sound-permeable portion 21 is a second through hole for sound emission, and the mesh located at the second connecting portion 22 is a third through hole. And the meshes of the mesh 2 are evenly distributed, and the size of each mesh is the same. In this way, in the process of fitting the mesh 2 to the cover 1, there is no need to deliberately distinguish between the sound-permeable portion 21 and the second connecting portion 22, and the mesh 2 can be directly fitted to one side of the cover 1. The area on the mesh 2 corresponding to the first through hole 11a is the sound-permeable portion 21, and the area corresponding to the first connecting portion 12 is the second connecting portion 22. The use of the above-mentioned mesh 2 can simplify the processing technology, reduce the processing difficulty, and improve the processing efficiency.

[0051] In one embodiment of the present invention, Figure 2 As shown, the first connecting portion 12 is integrally connected to the housing body 11 .

[0052] It can be understood that the first connection portion 12 and the housing body 11 are integrally connected and can be formed by a mold to achieve large-scale production, thereby simplifying the processing technology and improving the processing efficiency.

[0053] In this embodiment, the first connecting portion 12 is protrudingly disposed on the side of the housing body 11 facing the mesh 2. Figure 2 As shown, the first connection portion 12 is cylindrical. In other embodiments, the first connection portion 12 may also be hemispherical, spherical, or rod-shaped, etc., which is not limited here.

[0054] In one embodiment of the present invention, Figure 2 and Figure 3 As shown, there are a plurality of first through holes 11 a , and the plurality of first through holes 11 a are distributed at intervals; a plurality of first connecting portions 12 are disposed around each of the first through holes 11 a .

[0055] It is understandable that by opening a plurality of first through holes 11a in the housing body 11, the sound output area can be increased while preventing the opening from being too large, preventing larger foreign objects from entering the sound output device through the first through holes 11a, and in particular preventing the user's fingers from getting stuck, thus playing a role of safety protection. At the same time, each through hole is surrounded by a first connecting portion 12. After the first connecting portion 12 and the second connecting portion 22 are fused to form a connecting piece, that is, each first through hole 11a is surrounded by the connecting piece, which can improve the strength of the housing body 11.

[0056] In this embodiment, the first through hole 11a is rectangular, and a first connecting portion 12 is disposed around each of the four sides of the first through hole 11a. The plurality of first through holes 11a are evenly distributed, and the plurality of first through holes 11a have the same size.

[0057] In one embodiment of the present invention, the sound-transmissive portion 21 is provided with a plurality of second through holes, the second through holes are communicated with the first through holes 11 a , and the apertures of the second through holes are smaller than the apertures of the first through holes 11 a .

[0058] It is understandable that the second through hole has a smaller diameter than the first through hole 11a, which can further enhance safety protection and prevent foreign objects such as dust from entering the sound-emitting device, thereby falling on the speaker diaphragm or magnetic circuit to affect performance. At the same time, it can also be aesthetically pleasing from the product appearance of the sound-emitting device, and the internal structure cannot be directly seen from the outside of the sound-emitting device. Furthermore, shielding the internal structure can also prevent the internal information of the sound-emitting device from being peeped, thereby improving technical confidentiality.

[0059] In one embodiment of the present invention, Figure 1 , Figure 2 and Figure 3 As shown, there are multiple first connection parts 12, and the multiple first connection parts 12 are arranged at intervals; there are multiple second connection parts 22, and the multiple second connection parts 22 are arranged at intervals; each second connection part 22 is fused with a first connection part 12 through a hot melt process.

[0060] It is understandable that by providing a plurality of first connecting parts 12 and a plurality of second connecting parts 22, the strength of the housing body 11 can be improved at multiple locations, thereby improving the overall strength of the housing body 11. After each first connecting part 12 and each second connecting part 22 are fused, a plurality of connecting pieces are formed, and the fixing of the plurality of connecting pieces can make the connection between the mesh 2 and the housing 1 more stable.

[0061] In one embodiment of the present invention, Figure 1 and Figure 2As shown, an annular protrusion 13 is provided on the periphery of the housing body 11, and the annular protrusion 13 and the housing body 11 are combined to form a positioning cavity 13a; the mesh cloth 2 is arranged in the positioning cavity 13a.

[0062] It can be understood that, on the one hand, the provision of the annular protrusion 13 can improve the strength of the cover body 11, and on the other hand, the positioning cavity 13a can facilitate the rapid positioning of the mesh 2. At the same time, during the hot melting process, the positioning cavity 13a can also limit the mesh 2 to prevent the mesh 2 from moving.

[0063] In one embodiment of the present invention, Figure 1 and Figure 2 As shown, a snap-fit ​​protrusion 14 is provided on the periphery of the cover shell 1 .

[0064] It is understandable that, since the cover body 11 and the mesh 2 fit more closely, the overall rigidity of the mesh cover can be enhanced, and when the mesh cover is applied to the sound-emitting device, screw connection can be avoided, and a lower-cost snap-on method can be used. Therefore, a snap-on protrusion 14 is provided on the periphery of the cover 1, and the shell of the sound-emitting device has a corresponding snap-on groove for assembly. The snap-on method is simple and convenient to connect and disassemble.

[0065] The present invention also provides a mesh cover processing technology, the mesh cover processing technology comprising the following steps:

[0066] Providing a cover shell 1 and a mesh cloth 2;

[0067] The mesh cloth 2 is placed on one side of the housing 1, and the first connecting portion 12 of the housing 1 is fitted with the second connecting portion 22 of the mesh cloth 2 in a one-to-one correspondence;

[0068] Hot-melt the first connection part 12 and the second connection part 22 so that the first connection part 12 and the second connection part 22 are melted and fused to form a connection piece;

[0069] The connecting piece is cooled and shaped.

[0070] It is understandable that the specific structure of the mesh cover formed by this processing technology refers to the above embodiment. Since the sound-generating device adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here. In the processing of the mesh cover, only one bonding and one hot melting are required, which can save time cost and waste material cost.

[0071] The present invention also proposes a sound-generating device, which includes a sound-generating device body and the mesh cover as described above. The specific structure of the mesh cover refers to the above embodiment. Since the sound-generating device adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here. The sound-generating device body is provided with a sound-generating part; the housing body 11 is connected to the sound-generating part, and the mesh cloth 2 is sandwiched between the housing body 11 and the sound-generating part.

[0072] The above descriptions are only optional embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made based on the contents of the present invention's specification and drawings, or directly / indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A mesh cover, characterized in that: The mesh cover comprises: A casing, the casing comprising a casing body and a first connecting portion, the casing body being provided with a first through hole; the first connecting portion being provided at one side of the casing body and being spaced apart from the first through hole; and A mesh cloth, the mesh cloth comprising a sound-transmitting portion and a second connecting portion, the second connecting portion being connected to the sound-transmitting portion; the sound-transmitting portion being arranged corresponding to the first through hole; the first connecting portion and the second connecting portion being fused and connected by a hot-melt process; Wherein, the first connecting portion is integrally connected to the housing body, and the sound-transmitting portion is integrally connected to the second connecting portion; There are a plurality of the first through holes, and the plurality of the first through holes are distributed at intervals; a plurality of the first connecting portions are disposed around the periphery of each of the first through holes; There are a plurality of first connection parts, which are arranged at intervals; there are a plurality of second connection parts, which are arranged at intervals; each of the second connection parts is fused with a first connection part by a hot melt process; Among them, on the mesh, the grid located in the sound-transmitting part is the second through hole for sound emission, and the grid located in the second connecting part is the third through hole. During the melting and fusion process of the second connecting part and the first connecting part, the existence of the third through hole can provide a flow channel for the connecting part that can flow after melting.

2. The mesh cover according to claim 1, characterized in that: The sound-transmitting portion is provided with a plurality of second through holes, the second through holes are communicated with the first through holes, and the apertures of the second through holes are smaller than the apertures of the first through holes.

3. The mesh cover according to claim 1, characterized in that: An annular protrusion is arranged on the periphery of the shell body, and the annular protrusion and the shell body are combined to form a positioning cavity; the mesh is arranged in the positioning cavity.

4. The mesh cover according to any one of claims 1 to 3, characterized in that The shell body and the first connecting portion are made of plastic; And / or, the sound-transmitting portion and the second connecting portion are both made of plastic.

5. The mesh cover according to any one of claims 1 to 3, characterized in that: A clamping protrusion is arranged on the periphery of the cover shell.

6. A process for processing a mesh cover as claimed in any one of claims 1 to 5, characterized in that: The processing technology of the mesh cover comprises the following steps: Covers and mesh are available; Arrange the net on one side of the cover shell, and make the first connecting portion of the cover shell and the second connecting portion of the net cloth fit in a one-to-one correspondence; Hot-melting the first connection part and the second connection part so that the first connection part and the second connection part melt and fuse to form a connection piece; The connecting piece is cooled and shaped.

7. A sound-generating device, characterized in that: The sound-generating device comprises: A sound-generating device body, wherein the sound-generating device body is provided with a sound-generating portion; and According to any one of claims 1 to 5, the cover body is connected to the sound output part, and the mesh cloth is sandwiched between the cover body and the sound output part.

Images