WO2022012168A1

WO2022012168A1 - Shell assembly and preparation method therefor, and electronic device

Info

Publication number: WO2022012168A1
Application number: PCT/CN2021/095603
Authority: WO
Inventors: 曾俊贤
Original assignee: Oppo广东移动通信有限公司
Priority date: 2020-07-17
Filing date: 2021-05-24
Publication date: 2022-01-20
Also published as: CN113950209A; CN113950209B

Abstract

Disclosed in the present invention is a shell assembly, comprising a shell and a decorative member mounted on the shell, the shell comprising a first surface and a second surface facing away from one another, and the shell being provided with a mounting hole, the mounting hole penetrating the first surface and the second surface. The decorative member comprises a support part and a connecting part connected to the support part, the support part being arranged on the first surface, the connecting part being inserted in the mounting hole of the shell, the circumferential side wall of the connecting part being fixedly connected to the inner side wall of the mounting hole by means of an adhesive layer, a first adhesive groove penetrating the first surface and the second surface being formed between the circumferential side wall of the connecting part and the inner side wall of the mounting hole, and the adhesive layer extending from the first adhesive groove toward the second surface and being adhered to the second surface to form an inverted structure. The solution of the present invention uses the arrangement of the inverted structure so that the adhesive layer does not easily fall off the second surface, effectively increasing the assembling reliability of the decorative member and the shell. In addition, also disclosed in the present invention are an electronic device provided with the shell assembly and a preparation method for preparing the shell assembly.

Description

Housing assembly and preparation method thereof, and electronic device

technical field

The invention relates to the field of electronic equipment, in particular to a casing assembly and a preparation method thereof, and electronic equipment.

Background technique

Decorative parts (such as camera decorative parts) of electronic equipment currently commonly used are assembled from the inside to the outside of the housing of the electronic device, that is, the decorative parts are glued to the inside of the housing through the skirt back to fix and seal. This assembly method has two disadvantages. One is that the gap between the decoration and the shell can be seen from the appearance, and the other is that the inner diaphragm of the shell will shrink inward relative to the opening of the decoration. The circle with different color edges will affect the appearance and decoration effect of electronic equipment.

SUMMARY OF THE INVENTION

The embodiments of the present invention disclose a casing assembly, a preparation method thereof, and an electronic device. On the basis of not affecting the appearance and decoration effect of the electronic device, the possibility of the decorative piece falling from the casing is reduced, and the decorative piece and the casing are effectively improved. Assembly reliability of the housing.

In order to achieve the above objects, in a first aspect, the present invention discloses a housing assembly, the housing assembly comprising:

a casing, the casing comprises a first surface and a second surface opposite to each other, a mounting hole is opened on the casing, and the mounting hole penetrates the first surface and the second surface; and

A decorative piece includes a support part and a connection part connected with the support part, the support part is arranged on the first surface, the connection part is inserted in the installation hole, and the connection part has a direction toward the The circumferential side wall of the inner side wall of the mounting hole, the circumferential side wall and the inner side wall of the mounting hole are fixedly connected by an adhesive layer, and the circumferential side wall of the connecting portion and the inner side wall of the mounting hole are connected. A first glue groove is formed between the first surface and the second surface, and the glue layer extends from the first glue groove to the second surface and is fixed on the second surface to form a reverse Buckle structure.

In a second aspect, the present invention further discloses an electronic device, the electronic device includes a functional device, a control device, a battery module, and the casing assembly according to the first aspect above, wherein the casing of the casing assembly The body forms an accommodating space, and the functional device is accommodated in the accommodating space, and the functional device is disposed corresponding to the decorative piece of the housing assembly.

In a third aspect, the present invention also discloses a preparation method of the housing assembly, the preparation method comprising:

preparing a casing, the casing includes a first surface and a second surface arranged opposite to each other, a mounting hole is opened on the casing, and the mounting hole penetrates the first surface and the second surface;

A decorative piece is prepared, the decorative piece includes a support portion and a connection portion connected to the support portion, the outer diameter of the connection portion is smaller than the inner diameter of the installation hole, so that the connection portion is inserted into the installation hole A first glue groove penetrating through the first surface and the second surface is formed between the circumferential side wall of the connecting portion and the inner side wall of the mounting hole;

installing the decorative piece on the casing, so that the supporting part is disposed on the first surface, and the connecting part is inserted into the installation hole of the casing;

Dispensing glue on the decorative piece, so that the glue is evenly distributed in the first glue groove and overflows from the first glue groove to the second surface, and covers at least part of the second surface;

The adhesive is cured to form an adhesive layer, the adhesive layer is fixed between the decorative piece and the casing, and the adhesive layer forms an inverted structure on the second surface.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the drawings required in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a housing assembly according to Embodiment 1 of the present invention;

Figure 2 is an exploded schematic view of the housing assembly shown in Figure 1;

Fig. 3 is the partial structure schematic diagram of the housing in Fig. 1;

4 is a cross-sectional structural view of the housing assembly shown in FIG. 1 along line I-I;

FIG. 5 is a cross-sectional structural view of the housing assembly shown in FIG. 1 along line II-II;

6 is another partial structural schematic diagram of the housing assembly provided in the first embodiment of the present invention;

7 is a schematic structural diagram of an electronic device provided in Embodiment 2 of the present invention;

FIG. 8 is a flow chart of a method for preparing a housing assembly provided in Embodiment 3 of the present invention.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", The orientation or positional relationship indicated by "vertical", "horizontal", "horizontal", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are primarily used to better describe the invention and its embodiments, and are not intended to limit the fact that the indicated device, element or component must have a particular orientation, or be constructed and operated in a particular orientation.

In addition, some of the above-mentioned terms may be used to express other meanings besides orientation or positional relationship. For example, the term "on" may also be used to express a certain attachment or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present invention can be understood according to specific situations.

Furthermore, the terms "installed", "arranged", "provided", "connected", "connected" should be construed broadly. For example, it may be a fixed connection, a detachable connection, or a unitary structure; it may be a mechanical connection, or an electrical connection; it may be directly connected, or indirectly connected through an intermediary, or between two devices, elements, or components. internal communication. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and configurations may be the same or different), and are not used to indicate or imply the indicated devices, elements, etc. or the relative importance and number of components. Unless stated otherwise, "plurality" means two or more.

The technical solutions of the present invention will be further described below with reference to the embodiments and the accompanying drawings.

As mentioned in the background art of the present application, if the decorative element is installed from the inside to the outside of the casing, the gap between the decorative element and the casing can be seen in appearance. The hole will shrink inward by 0.1mm-0.15mm, and a circle of different colors can be seen on the appearance, which affects the appearance and decoration effect of the shell. However, if the decoration is assembled from the outside to the inside of the shell, specifically, after the decoration is assembled on the shell from the outside to the inside, the decoration and the shell are fixed by bonding, so that the decoration can be used to extend beyond the shell. The skirt edge of the body opening covers the different-colored edge of the casing opening, thereby solving the problem that the exposure of the different-colored edge affects the appearance and decoration effect of the electronic device. However, in this way, since the decorative parts are glued and fixed on the casing, when the glue fails due to external impact or falling, the decorative parts may fall directly from the casing, affecting the quality and reliability of the electronic device. sex.

Based on this, an embodiment of the present invention discloses a housing assembly, which can be applied to an electronic device to fix functional devices of the electronic device and play a decorative role. The electronic device can be, but is not limited to, a mobile phone, a camera, a tablet computer, a laptop computer, a wearable device (eg, a smart watch, smart glasses, smart bracelet), and the like. The housing assembly includes a housing of the electronic device and a decorative piece disposed on the housing. The shell includes a first surface and a second surface opposite to each other, and a mounting hole is opened on the shell, and the mounting hole penetrates the first surface and the second surface. The decorative piece includes a support part and a connection part connected with the support part, the support part is arranged on the first surface, and the connection part is inserted into the installation hole of the casing. The circumferential side wall of the connecting portion and the inner side wall of the installation hole are fixed by an adhesive layer, and a first glue groove penetrating the first surface and the second surface is formed between the circumferential side wall of the connecting portion and the inner side wall of the mounting hole. The layer extends from the first glue groove to the second surface and is fixed on the second surface to form an undercut structure.

It can be understood that the decorative piece can be a decorative piece for the purpose of purely appearance decoration effect, or can be a decorative piece for a functional device. The functional device may be an element mounted on the housing of the electronic device that implements a specific function, including but not limited to at least one of a camera module, a flash, and a sensor. Exemplarily, the functional device may be a camera module, and then the decoration may be a camera decoration.

In order to effectively improve the appearance decoration effect of the electronic device, the embodiment of the present invention also adopts the method of assembling the decoration from the outer side of the casing to the inner side. “Inside” and “outside” are relative concepts. In this embodiment of the present invention, “inside” refers to the direction toward the inside of the electronic device, and outside refers to the direction toward the outside of the electronic device.

In the case assembly disclosed in the embodiments of the present invention, a first glue groove penetrating the first surface and the second surface of the case is formed between the connection part of the decorative piece and the installation hole of the case, so that the connection part and the installation hole are formed. The holes are fixedly connected together by an adhesive layer disposed in the first adhesive groove extending toward the second surface, and an inverted structure is formed where the adhesive layer is fixed on the second surface. In this way, on the one hand, more glue layers can be accommodated by using the first glue groove, which is beneficial to improve the assembly stability of the decorative element and the casing. On the other hand, the adhesive layer is fixed on the second surface to form an upside down structure, and the arrangement of the upside down structure can be used to fix the adhesive layer, so that the adhesive layer is not easy to fall off from the second surface, thereby effectively improving the connection between the decorative piece and the shell. Assembly reliability, thereby improving the quality and reliability of electronic equipment.

In some optional embodiments, the circumferential side wall of the connecting portion has a first positioning portion and a first non-positioning portion, the inner side wall of the mounting hole has a second positioning portion and a second non-positioning portion, and the second positioning portion corresponds to the first positioning portion. A positioning portion is provided, the second non-positioning portion is provided corresponding to the first non-positioning portion, and the radial distance between the first positioning portion and the second positioning portion is smaller than the diameter between the first non-positioning portion and the second non-positioning portion to spacing.

In some optional embodiments, the first glue groove is disposed between the first non-positioning portion and the second non-positioning portion.

In some optional embodiments, the radial width of the first glue groove is 0.2 mm to 0.3 mm.

In some optional embodiments, a second glue groove is provided between the first positioning part and the second positioning part, the second glue groove is connected with the first glue groove to form an annular glue groove, and the glue layer is arranged in the annular glue groove. .

In some optional embodiments, the radial width of the second glue groove is 0.05mm to 0.1mm.

In some optional embodiments, the support portion is provided with a third glue groove near the first surface, the third glue groove is communicated with the first glue groove, and the glue layer is accommodated in the third glue groove and the first glue groove.

In some optional embodiments, the end of the connecting portion extends toward the second surface to form a barb structure, and the barb structure abuts on the barb structure.

In some optional embodiments, the housing assembly further includes a fixing member, the fixing member is disposed on the second surface and is fixedly connected with at least one of the second surface and the connecting portion, and the undercut structure is pressed against the fixing member and the connecting portion. between the second surfaces.

In a second aspect, an embodiment of the present invention further discloses an electronic device. The electronic device includes a functional device and the housing assembly as described in the first aspect above. The housing of the housing assembly forms an accommodating space, and the functional device is accommodated in the accommodating space. In the space, the functional devices are arranged corresponding to the decorative parts of the housing assembly.

In some optional embodiments, the functional device includes at least one of a camera module, a flash, and a sensor.

In a third aspect, an embodiment of the present invention further discloses a method for preparing a housing assembly, the preparation method comprising:

A decorative piece is prepared, the decorative piece includes a support portion and a connecting portion connected with the support portion, the connecting portion is inserted in the mounting hole, and a first surface and a first through-hole are formed between the circumferential side wall of the connecting portion and the inner side wall of the mounting hole. The first glue groove on the second surface;

The decorative piece is installed on the casing, so that the support part is arranged on the first surface, and the connecting part is inserted into the installation hole of the casing;

Dispensing glue on the decorative piece so that the glue is evenly distributed in the first glue groove and overflows from the first glue groove to the second surface and covers at least part of the second surface;

The adhesive is cured to form an adhesive layer, the adhesive layer is fixed between the decorative piece and the shell, and the adhesive layer forms an inverted structure on the second surface.

In some optional embodiments, the first glue groove is disposed between the first non-positioning portion and the second non-positioning portion, and a second glue groove is disposed between the first positioning portion and the second positioning portion, and the second glue groove is It is communicated with the first glue groove to form an annular glue groove, and the glue overflows from the annular glue groove to the second surface.

In some optional embodiments, the support portion is provided with a third glue groove close to the first surface, and the third glue groove communicates with the first glue groove;

The preparation method also includes:

Dispense glue in the third glue tank, so that the glue flows from the third glue groove to the first glue groove, and then overflows from the first glue groove to the second surface.

In some optional embodiments, a fixing member is fixed on at least one of the end of the connecting portion away from the supporting portion and the second surface, so that the undercut structure is held between the fixing member and the second surface.

The housing assembly provided by the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Example 1

Please refer to FIG. 1 and FIG. 2 together, which are schematic structural diagrams of a housing assembly according to Embodiment 1 of the present invention. The housing assembly 100 includes a housing 10 and a decoration 11 provided on the housing 10 . Considering that the housing assembly 100 of the present embodiment can be applied to an electronic device, the housing 10 can be used as a back cover of the electronic device, and the decorative element 11 can be used to decorate the functional devices of the electronic device. Exemplarily, as shown in FIGS. 1 and 2 , the housing 10 is shown as a rear cover, and the housing assembly 100 further includes a functional part 12 mounted on the decorative part 11 . The functional part 12 may be a camera lens, a color decorative sheet, a sensor, or the like. Exemplarily, the decorative part 11 is a decorative part of the camera module, the decorative part 11 is formed with an accommodating groove 110 , and the lens of the camera module is installed in the accommodating groove 110 or in the housing assembly 100 . At the position corresponding to the accommodating groove 110 , the functional component 12 can be a transparent cover plate of the camera module, covering the accommodating groove 110 to protect the lens, while allowing light to penetrate and incident on the lens. The functional part 12 can be adhered to the decorative part 11 by the adhesive part 13 . The adhesive member 13 may be a double-sided adhesive tape or other adhesives capable of fixing the functional member 12 on the decorative member 11 .

Further, the housing 10 includes a first surface 10a and a second surface 10b disposed opposite to each other. The first surface 10a is a surface facing the outer side of the electronic device, and the second surface 10b is a surface facing the inner side of the electronic device. The housing 10 is provided with a mounting hole 101 penetrating the first surface 10a and the second surface 10b. In the embodiment shown in the figure, the mounting hole 101 is circular. It can be understood that in other embodiments, the shape of the mounting hole 101 can be adaptively adjusted according to the shape of the decorative piece 11, and can be any suitable shape , such as oval, square, etc.

Further, the decorative piece 11 includes a support portion 11a and a connection portion 11b connected to the support portion 11a. The support portion 11 a is mounted on the first surface 10 a , and the connection portion 11 b can be inserted into the mounting hole 101 of the housing 10 . The circumferential side wall of the connecting portion 11 b and the inner side wall of the mounting hole 101 are fixedly connected by the adhesive layer 14 .

3 to 5 , in order to accommodate the adhesive layer 14 , a first adhesive groove 111 penetrating the first surface 10 a and the second surface 10 b is formed between the circumferential side wall of the connecting portion 11 b and the inner side wall of the mounting hole 101 , the adhesive layer 14 extends from the first adhesive groove 111 to the second surface 10b and is fixed on the second surface 10b to form an undercut structure 112 . Specifically, the undercut structure 112 is a ring-shaped protrusion formed around the adhesive layer 14 , the ring-shaped protrusion is disposed just below the second surface 10b and fixed to the second surface 10b, and the inner diameter of the ring-shaped protrusion is larger than the diameter of the mounting hole 101 . In this way, with the inverted structure 112 , the adhesive layer 14 cannot fall out from the mounting hole 101 , so that the adhesive layer 14 will not fall off between the decorative element 11 and the housing 10 , thereby effectively ensuring the connection between the decorative element 11 and the housing 10 . The connection is reliable, and the decorative element 11 is prevented from falling off from the casing 10 .

In some embodiments, the circumferential side wall of the connecting portion 11b has a first positioning portion 113 and a first non-positioning portion 114, and the inner side wall of the mounting hole 101 has a second positioning portion 101a and a second non-positioning portion 101b. The portion 101 a is provided corresponding to the first positioning portion 113 , and the second non-positioning portion 101 b is provided corresponding to the first non-positioning portion 114 . The radial distance between the first positioning portion 113 and the second positioning portion 101a is smaller than the radial distance between the first non-positioning portion 114 and the second non-positioning portion 101b.

It can be understood that the radial distance refers to the radial distance between the corresponding surfaces between the two, for example, the surface of the first positioning portion 113 facing the second positioning portion 101a and the second positioning portion 101a facing the first positioning portion The radial distance between the surfaces of the parts 113 . The radial distance between the surface of the first non-positioning portion 114 facing the second non-positioning portion 101b and the surface of the second non-positioning portion 101b facing the first non-positioning portion 114 .

The radial distance between the first positioning portion 113 and the second positioning portion 101a is defined to be smaller than the radial distance between the first non-positioning portion 114 and the second non-positioning portion 101b, so that the first non-positioning portion 114 and the second The radial distance between the two non-positioning portions 101b is relatively large, which can effectively accommodate the glue and allow the glue to have enough space to flow, so as to facilitate the formation of the glue layer 14 .

It can be understood that the glue can be selected from hot-melt glue, so that it has hot-melt properties and can be melted when heated to a certain temperature, so as to have good fluidity during dispensing, so as to effectively ensure that it can be filled with the glue. The first glue groove 111 simultaneously extends to the second surface 10b and at least partially covers the second surface 10b. After the adhesive layer 14 is formed after curing, it has the effect of high hardness and no large deformation and yielding after extrusion.

Optionally, one of the first positioning portion 113 and the second positioning portion 101a may be a protrusion, and the other may be a groove, and the shapes and positions of the protrusion and the groove correspond to each other, so as to limit decoration The member 11 rotates relative to the housing 10 . It can be understood that, in other embodiments, the first positioning portion 113 and the second positioning portion 101a may be any suitable other structures, as long as the rotation of the decorative element 11 relative to the housing 10 can be restricted, for example, the corresponding Buckle structure or screw structure, etc.

Optionally, the number of the first positioning portions 113 may be one or more, and when the number of the first positioning portions 113 is multiple, they may be evenly spaced along the outer peripheral wall of the connecting portion. Correspondingly, the number of the first non-positioning portions 114 is also one or more. When the number of the first non-positioning portions 114 is multiple, each first non-positioning portion 114 is disposed at two adjacent first positions. between sections 113. Correspondingly, the number of the second positioning portions 101 a is equal to the number of the first positioning portions 113 , and the number of the second non-positioning portions 101 b is equal to the number of the first non-positioning portions 114 .

In some embodiments, in order to facilitate positioning of the decorative element 11 and facilitate dispensing, the radial distance between the first non-positioning portion 114 and the second non-positioning portion 101b is greater than the distance between the first positioning portion 113 and the second positioning portion 101a radial spacing between. The first glue groove 111 is disposed between the first non-positioning portion 114 and the second non-positioning portion 101b.

Optionally, the radial width of the first glue groove is 0.2 mm to 0.3 mm. In this way, the thickness of the glue between the decorative element 11 and the casing 10 can be ensured to be uniform to provide sufficient adhesive force to fix the decorative element 11 and the casing 10 .

Further, in order to further enhance the bonding strength between the decorative element 11 and the housing 10, a second glue groove 115 is provided between the first positioning portion 113 and the second positioning portion 101a, and the second glue groove 115 is connected to the first positioning portion 113 and the second positioning portion 101a. A glue groove 111 is connected to form an annular glue groove surrounding the circumferential wall of the connecting portion 11b, and the glue layer 14 is arranged in the annular glue groove formed by the communication between the first glue groove 111 and the second glue groove 115, so that the glue layer 14 can be formed A ring-shaped adhesive layer adapted to the ring-shaped adhesive groove (refer to Figures 4 and 5).

Optionally, the radial width of the second glue groove is 0.05mm to 0.1mm. This can facilitate the positioning of the decorative element 11 and ensure that the thickness of the glue between the decorative element 11 and the housing 10 is uniform.

In a further embodiment, in order to further enhance the adhesive strength of the adhesive layer 14, the support portion 11a is provided with a third adhesive groove 116 close to the first surface 10a, the third adhesive groove 116 is communicated with the first adhesive groove 111, and the adhesive The layer 14 is accommodated in the third glue groove 116 and the first glue groove 111 .

It can be seen from the above that the first glue groove 111 and the second glue groove 115 communicate with each other to form an annular glue groove surrounding the peripheral side wall of the connecting portion, the glue layer 14 is an integral annular structure evenly arranged in the annular glue groove, and the third glue groove 116 is communicated with the first glue groove 111, then the glue layer 14 can extend from the third glue groove 116 to the second surface 10b along the annular glue groove, and cover part of the first surface 10a of the housing 10 and the parts of the mounting holes 101 On the inner side wall and part of the second surface 10b, it is not easy to fall off from the housing 10. In other words, through the arrangement of the first glue groove 111 , the second glue groove 115 and the third glue groove 116 , the accommodating space of the glue layer 14 can be further increased, so that the glue layer 14 has a sufficient thickness, so that the glue layer 14 and the shell can be further increased. The body 10 and the decorative part 11 have more contact areas, which is beneficial to further improve the connection tightness and reliability of the decorative part 11 and the housing 10 .

It can be understood that, as another embodiment, the above-mentioned second glue groove 115 may not be provided. In this case, the glue layer 14 may include a plurality of glues separated by the first positioning portion 113 and the second positioning portion 101a. Each glue layer extends from the third glue groove 116 along the first glue groove 111 to the second surface 10b, and covers part of the first surface 10a of the housing 10, the second non-positioning portion 101b of the installation hole 101, part of the second surface 10b. In this way, since there are multiple adhesive layers 14 , which are in contact with different positions of the housing 10 , the tightness and reliability of the connection between the decorative piece 11 and the housing 10 through the adhesive layer 14 can also be improved, so that the decorative piece 11 is not easily removed from the casing 10 . The casing 10 is detached.

Optionally, in order to prevent the glue from overflowing to the outside of the decorative element 11 during dispensing, the support portion 11a is further provided with support feet 117 against the first surface 10a, and the inner side walls of the support feet 117 and the support portion 11a face the first The inner side wall of the surface 10a and the first surface 10a are surrounded by the third glue groove 116 , so that the glue is confined in the third glue groove 116 , and will not overflow to the outside of the decorative element 11 to contaminate the appearance of the housing 10 . , effectively ensuring the cleanliness of the appearance surface of the casing 10 and the appearance decoration effect.

In some embodiments, in order to further enhance the adhesive strength between the adhesive layer 14 and the housing 10 , the end of the connecting portion 11b extends toward the second surface 10b to form a barb structure 118 (as shown in FIG. 5 ). The barb structure The adhesive layer 14 is pressed against the barb structure 112 , so that the adhesive layer 14 is pressed between the barb structure 118 and the second surface 10 b , thereby further locking the adhesive layer 14 to prevent the adhesive layer 14 from falling off the housing 10 .

Specifically, the barb structure 118 extends and protrudes from the end of the connecting portion 11b toward the inner wall surface of the installation hole 101 . 112 exerts a force in the radial direction of the mounting hole 101 , thereby restricting the movement of the undercut structure 112 in the radial direction of the mounting hole 101 . Correspondingly, since the undercut structure 112 abuts against the second surface 10b, the second surface 10b can exert a force on the undercut structure 112 in the axial direction of the mounting hole 101, thereby restricting the undercut structure 112 from Movement in the axial direction of the mounting hole 101 .

It can be seen from this that in this embodiment, through the setting of the barb structure 112 and the barb structure 118, the second surface 10b and the barb structure 118 are used to respectively restrict the position of the barb structure 112 in the installation hole 101, so that the barb structure 112 can be reversed. The structure 112 is firmly locked between the mounting hole 101 and the decorative piece 11 , which greatly reduces the possibility of the adhesive layer 14 falling off from the mounting hole 101 , and effectively ensures the reliability of the connection between the decorative piece 11 and the housing 10 .

Please refer to FIG. 6 , which is a partial structural schematic diagram of another housing assembly provided by an embodiment of the present invention. In this embodiment, in order to further prevent the decorative piece 11 from falling off from the housing 10, the housing assembly 100 further includes a fixing piece 15, and the fixing piece 15 is provided on the second surface 10b of the housing 10 and the connecting portion 11b is away from the supporting portion 11a. one end. The fixing member 15 is fixedly connected with the connecting portion 11b, and abuts on the undercut structure 112, so that the undercut structure 112 is pressed between the fixing member 15 and the second surface 10b, and further locks the adhesive layer 14 on the casing 10 on.

Further, the fixing member 15 may be fixedly connected to the connecting portion 11b by means of bonding, welding or snapping. Optionally, if welding is used, the material of the connecting portion 11b and the fixing member 15 may be metal or metal alloy, such as stainless steel, copper, nickel, and the like. If adhesive connection is adopted, the material of the connecting portion 11b can be metal, alloy, ceramic or resin (for example, PVC (Polyvinyl chloride, polyvinyl chloride), PC (Polycarbonate, polycarbonate), etc.), and the material of the fixing member 15 It can be any of glass fiber, metal, alloy, ceramic or resin. If they are connected by snaps, the material of the connecting portion 11b and the fixing member 15 is not limited, but one of the connecting portion 11b and the fixing member 15 can be provided with a slot, and the other can be provided with a protruding buckle, and the buckle can hold The connecting portion 11b and the fixing member 15 are thereby fixed in the card slot.

In a further embodiment, in order to reduce the occupation of the inner space of the housing 10, the fixing member 15 can be a thin plate, and its thickness can be controlled to be 0.08mm to 0.15mm. Exemplarily, the fixing member 15 may be 0.1 mm, so that when the decorative member 11 is installed on the casing 10 , the occupation of the inner space of the casing 10 can also be reduced, which is beneficial to the light and thin design of the electronic device.

Optionally, the fixing member 15 can be selectively connected with one of the housing 10 or the connecting portion 11b or fixedly connected with both at the same time, and the undercut structure 112 is pressed against the fixing member 15 and the second surface 10b between. The fixed connection between the fixing member 15 and the housing 10 is the same as or similar to the connection between the connecting portion 11b and the fixing member 15 , and can also be fixedly connected by the above-mentioned methods of welding, bonding or snapping, which will not be repeated here.

Optionally, the fixing member 15 can be a single piece of thin plate that matches the shape of the connecting portion 11b. Therefore, the connection area between the fixing member 15 and the connecting portion 11b can be effectively increased. Alternatively, the fixing member 15 can also be a plurality of thin plates, the plurality of thin plates are arranged along the center of the connecting portion 11b at intervals, and each thin plate is connected to the connecting portion 11b to prevent the connecting portion 11b from falling off the housing 10 .

In the case assembly 100 disclosed in the first embodiment of the present invention, an adhesive layer 14 is formed between the decorative element 11 and the mounting hole 101 of the case 10 , and an inverted position is provided on the adhesive layer 14 corresponding to the second surface 10 b of the case 10 . The inner diameter of the inverted buckle structure 112 is larger than the diameter of the mounting hole 101, so that the adhesive layer 14 is not easy to fall off between the decorative piece 11 and the housing 10, and the connection between the decorative piece 11 and the housing 10 is effectively improved. sex.

Further, a first glue groove 111 and a second glue groove 115 that communicate with each other to form an annular glue groove are formed between the circumferential side wall of the connecting portion 11 b of the decorative piece 11 and the inner side wall of the installation hole 101 . 11a is formed with a third glue groove 116 that communicates with the first glue groove 111, so that not only sufficient space for dispensing glue is provided during dispensing, so that the glue layer 14 formed after the glue is cured has sufficient thickness, but also The contact area between the adhesive layer 14 and the decorative element 11 and the casing 10 can be increased, so that the adhesive layer 14 is not easy to fall off, and the connection reliability of the decorative element 11 and the casing 10 is improved.

Embodiment 2

Please refer to FIG. 7 , which is a schematic structural diagram of an electronic device 200 according to an embodiment of the present invention. The electronic device 200 includes a functional device 20 , a control device 21 , a battery module 22 , and the housing assembly 100 described in the first embodiment above. 21 and the battery module 22 are arranged in the accommodating space.

It can be understood that the electronic device 200 can be, but is not limited to, a mobile phone, a camera, a tablet computer, a notebook computer, a wearable device (eg, a smart watch, smart glasses, smart bracelet), and the like. The functional device 20 may be an element installed in the electronic device 200 to implement a specific function, including but not limited to at least one of a camera module, a flash, and a sensor. Exemplarily, the functional device 20 may be a camera module, and then the decoration 11 may be a camera decoration.

Exemplarily, taking the functional device 20 as a camera module as an example, the functional device 20 and the battery module 22 are both electrically connected to the control device 21, the battery module 22 provides power for the functional device and the control device 21, and the control device 21 is used for The operation of the functional device 20 is controlled. The functional device 20 is provided corresponding to the decorative part 11 of the housing assembly. It can be understood that, the electronic device 200 may further include a display assembly (not shown), and the display assembly and the housing assembly 100 together form an accommodating space for accommodating the functional device 20 , the control device 21 and the battery module 22 .

It can be understood that, the above-mentioned control device may be a mainboard accommodated in the electronic device 200 or a controller disposed on the mainboard.

The electronic device 200 disclosed in the second embodiment of the present invention is provided with the casing assembly 100 of the above-mentioned first embodiment, so that the decorative parts 11 of the casing assembly 100 can be used to decorate the functional device 20 , which is beneficial to improve the electronic device 200 appearance decorative effect.

Indeed, since the electronic device 200 includes the housing assembly 100 described in the first embodiment, the electronic device 200 also has all the beneficial effects of the housing assembly 100 described in the first embodiment.

Embodiment 3

Please refer to FIG. 1 and FIG. 8 together. FIG. 8 shows a method for preparing a housing assembly disclosed in Embodiment 3 of the present invention. Wherein, the housing component may be the housing component described in the first embodiment. The preparation method of the shell assembly includes:

301 . Prepare a casing, the casing includes a first surface and a second surface disposed opposite to each other, a mounting hole is opened on the casing, and the mounting hole penetrates the first surface and the second surface.

In this step, the casing is prepared first, and the mounting hole is formed on the casing to facilitate subsequent installation of the casing and the decorative piece.

302. Prepare a decorative piece. The decorative piece includes a support portion and a connecting portion connected to the support portion. The connecting portion is inserted into the mounting hole, so that when the connecting portion is accommodated in the mounting hole, the circumferential side wall of the connecting portion and the mounting hole A first glue groove running through the first surface and the second surface is formed between the inner side walls of the .

In this step, a first glue groove is formed between the connecting part of the decorative piece and the inner side wall of the installation hole, so as to facilitate the subsequent glue dispensing work, and locate the glue accommodating space during glue dispensing.

303. Dispensing glue on the decorative piece through a glue dispensing process, specifically, installing the decorative piece on the casing, so that the support part is set on the first surface, the connecting part is inserted into the installation hole of the casing, and the glue is evenly distributed on the casing. The first glue tank overflows from the first glue tank to the second surface and covers part of the second surface.

In this step, the existing dispensing process can be used for dispensing. Among them, the glue used in the dispensing process can be selected from hot-melt glue, so that it has hot-melt properties and can be melted when heated to a certain temperature, so as to have good fluidity during dispensing, which can effectively ensure that it can be Filling the first glue groove extends to the second surface and at least partially covers the second surface. In addition, the use of hot-melt glue can ensure that it has the effect of high hardness and no large deformation and yielding after extrusion.

304. Curing the glue to form a glue layer, the glue layer is fixed between the decorative piece and the casing, and the glue layer forms an inverted structure on the second surface.

In this step, since the adhesive layer is formed between the outer peripheral sidewall of the connecting portion and the inner sidewall of the mounting hole and overflows from the first adhesive groove to the second surface to form an undercut structure on the second surface, the undercut structure can be Bonding on the second surface increases the contact area between the adhesive layer and the second surface and prevents the adhesive layer from falling off from the second surface.

4 and 5 in the first embodiment, in a further embodiment, the circumferential side wall of the connecting portion 11b includes a first positioning portion 113 and a first non-positioning portion 114, and the inner side wall of the mounting hole 101 includes Corresponding to the second positioning portion 101a of the first positioning portion 113 and the second non-positioning portion 101b corresponding to the first non-positioning portion 114, the first glue groove 111 is disposed between the first non-positioning portion 114 and the second non-positioning portion 101b between.

In some embodiments, one of the first positioning portion 113 and the second positioning portion 101a may be a protrusion, and the other may be a corresponding groove. The matching arrangement of the first positioning portion 113 and the second positioning portion 101 a can prevent the decoration member 11 from rotating relative to the housing 10 .

Preferably, the radial width of the first glue groove 111 is 0.2 mm to 0.3 mm. The width can ensure the thickness and uniformity of the glue, so as to provide sufficient adhesive force to fasten the connecting portion 11b and the casing 10 .

In a further embodiment, the end of the connecting portion 11b extends toward the second surface 10b to form a barb structure 118, and the barb structure 118 abuts against the part of the adhesive layer 14 attached to the second surface 10b, so that the adhesive layer can be further attached to the second surface 10b. 14 is locked between the connecting portion 11b and the second surface 10b, and is not easy to fall off from the housing 10.

In a further embodiment, a second glue groove 115 may be disposed between the first positioning portion 113 and the second positioning portion 101a, the second glue groove 115 communicates with the first glue groove 111, and the second glue groove 115 communicates with the first glue groove 111. A glue groove 111 is connected to form an annular glue groove surrounding the outer peripheral wall of the connecting portion 11b, and the glue overflows from the annular glue groove to the second surface 10b, thereby further enhancing the bonding strength between the decorative element 11 and the housing 10 .

In a further embodiment, the radial width of the second glue groove is 0.05mm to 0.1mm. The width is convenient for positioning the decoration piece 11 and ensuring the decoration piece 11 , and at the same time, the glue can evenly fill the first glue groove 111 and the second glue groove 115 , so that the thickness of the glue between the decoration piece 11 and the housing 10 is uniform.

In a further embodiment, the inner side wall of the support portion 11a facing the second surface 10b is provided with a third glue groove 116 , and glue is dispensed in the third glue groove 116 so that the glue flows from the third glue groove 116 to the first glue groove 111 , and then overflow from the first glue tank 111 to the second surface 10b.

In a further embodiment, glue is dispensed in the third glue tank 116, so that the glue flows from the third glue groove 116 to the first glue groove 111 and the second glue groove 115, and then flows from the first glue groove 111 and the second glue groove The groove 115 overflows to the second surface 10b, thereby forming an annular adhesive layer 14. The sidewall of the annular adhesive layer facing the inner side wall of the mounting hole is tightly wrapped around the part of the first surface 10a of the housing 10 adjacent to the mounting hole 101, and the side wall of the mounting hole 101. the inner side wall and part of the second surface 10b, so as to be more firmly bonded to the casing 10 and not easily fall off from the casing 10.

In some embodiments, before or after the adhesive layer is cured, the method further includes disposing a fixing member 15 on the second surface 10b, the fixing member 15 and the end of the connecting portion 11b away from the supporting portion 11a, at least one of the second surface 10b. A fixed connection. The adhesive layer 14 is held between the fixing member 15 and the second surface 10 b , so as to further prevent the adhesive layer 14 from falling off from the housing 10 .

In the preparation method of the shell assembly disclosed in the third embodiment of the present invention, the glue layer is formed between the decorative part and the shell by using a glue dispensing process, and an inverted structure is formed on the second surface of the shell, which not only increases the glue layer and the shell. The contact area between the decorative piece and the casing can effectively prevent the adhesive layer from falling off the casing and the decorative piece, thereby improving the connection reliability of the decorative piece and the casing.

The shell assembly, the preparation method and the electronic device disclosed in the embodiments of the present invention have been described in detail above. The principles and implementations of the present invention are described with specific examples in this paper. The descriptions of the above embodiments are only used to help understanding The housing assembly and its preparation method, electronic device and its core idea of the present invention; at the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. Above, the contents of this specification should not be construed as limiting the present invention.

Claims

A housing assembly, characterized in that the housing assembly comprises

a casing, the casing comprises a first surface and a second surface opposite to each other, a mounting hole is opened on the casing, and the mounting hole penetrates the first surface and the second surface; and

A decorative piece includes a support part and a connection part connected with the support part, the support part is arranged on the first surface, the connection part is inserted in the installation hole, and the connection part has a direction toward the The circumferential side wall of the inner side wall of the mounting hole, the circumferential side wall and the inner side wall of the mounting hole are fixedly connected by an adhesive layer, and the circumferential side wall of the connecting portion and the inner side wall of the mounting hole are connected. A first glue groove is formed between the first surface and the second surface, and the glue layer extends from the first glue groove to the second surface and is fixed on the second surface to form a reverse Buckle structure.
The housing assembly according to claim 1, wherein a circumferential side wall of the connecting portion has a first positioning portion and a first non-positioning portion, and an inner side wall of the mounting hole has a second positioning portion and a first non-positioning portion. Two non-positioning portions, the second positioning portion is provided corresponding to the first positioning portion, the second non-positioning portion is provided corresponding to the first non-positioning portion, and the first positioning portion and the second positioning portion The radial spacing between the parts is smaller than the radial spacing between the first non-positioning part and the second non-positioning part.
The housing assembly according to claim 2, wherein the first glue groove is disposed between the first non-positioning portion and the second non-positioning portion.
The housing assembly according to claim 3, wherein the radial width of the first glue groove is 0.2 mm to 0.3 mm.
The housing assembly according to claim 3, wherein a second glue groove is disposed between the first positioning part and the second positioning part, and the second glue groove is connected to the first glue groove They are connected to form an annular glue groove, and the glue layer is arranged in the annular glue groove.
The housing assembly according to claim 5, wherein the radial width of the second glue groove is 0.05mm to 0.1mm.
The housing assembly according to claim 2, wherein the first positioning portion and the first non-positioning portion comprise a plurality of first non-positioning portions, and each of the first non-positioning portions is disposed at two adjacent ones of the between the first positioning parts;

The second positioning portion and the second non-positioning portion include a plurality, and each of the second non-positioning portions is disposed between two adjacent second positioning portions.
The housing assembly according to any one of claims 1 to 7, wherein a third glue groove is disposed on the support portion near the first surface, and the third glue groove is connected to the first glue groove. The glue layer is accommodated in the third glue groove and the first glue groove.
The housing assembly according to claim 8, wherein the support portion is further provided with a support foot against the first surface, and the inner side wall of the support foot and the support portion face the first surface. The inner sidewall of a surface and the first surface are surrounded by the third glue groove.
The housing assembly according to any one of claims 1-9, wherein a distal end of the connecting portion extends toward the second surface to form a barb structure, and the barb structure abuts against the barb structurally.
The casing assembly according to any one of claims 1-9, wherein the casing assembly further comprises a fixing member, the fixing member is disposed on the second surface, and is connected with the second surface, At least one of the connecting portions is fixedly connected, and the undercut structure is held between the fixing member and the second surface.
An electronic device, characterized in that the electronic device includes a functional device and a housing assembly according to any one of claims 1-11, wherein the housing of the housing assembly forms a accommodating space, and the functional A device is accommodated in the accommodating space, and the functional device is disposed corresponding to the decorative piece of the housing assembly.
The electronic device according to claim 12, wherein the functional device comprises at least one of a camera module, a flash, and a sensor.
A preparation method of a housing assembly, characterized in that the preparation method comprises:

preparing a casing, the casing includes a first surface and a second surface arranged opposite to each other, a mounting hole is opened on the casing, and the mounting hole penetrates the first surface and the second surface;

A decorative piece is prepared, the decorative piece includes a support portion and a connecting portion connected with the support portion, the connecting portion is inserted into the mounting hole, and the circumferential sidewall of the connecting portion and the mounting hole are A first glue groove is formed between the inner side walls of the first surface and the second surface;

installing the decorative piece on the casing, so that the supporting part is disposed on the first surface, and the connecting part is inserted into the installation hole of the casing;

Dispensing glue on the decorative piece, so that the glue is evenly distributed in the first glue groove and overflows from the first glue groove to the second surface, and covers at least part of the second surface;

The adhesive is cured to form an adhesive layer, the adhesive layer is fixed between the decorative piece and the casing, and the adhesive layer forms an inverted structure on the second surface.
The preparation method according to claim 14, wherein the circumferential side wall of the connecting portion has a first positioning portion and a first non-positioning portion, and the inner side wall of the mounting hole has a second positioning portion and a second positioning portion. A non-positioning portion, the second positioning portion is provided corresponding to the first positioning portion, the second non-positioning portion is provided corresponding to the first non-positioning portion, and the first positioning portion and the second positioning portion The radial distance therebetween is smaller than the radial distance between the first non-positioning portion and the second non-positioning portion.
The preparation method according to claim 15, wherein the first glue groove is disposed between the first non-positioning portion and the second non-positioning portion, and the first positioning portion and the first A second glue groove is arranged between the two positioning parts, the second glue groove is communicated with the first glue groove to form an annular glue groove, and the glue overflows from the annular glue groove to the second surface.
The preparation method according to any one of claims 14-16, wherein the radial width of the first glue groove is 0.2 mm to 0.3 mm.
The preparation method according to any one of claims 14-17, wherein the end of the connecting portion extends toward the second surface to form a barb structure, and the barb structure abuts against the barb structure superior.
The preparation method according to any one of claims 14 to 18, wherein a third glue groove is provided on the support part close to the first surface, and the third glue groove communicates with the first glue groove ;

The preparation method also includes:

Glue is dispensed in the third glue tank, and the glue flows from the third glue tank to the first glue tank, and then overflows from the first glue tank to the second surface.
The preparation method according to any one of claims 14-19, wherein a fixing member is fixed on at least one of an end of the connecting portion away from the supporting portion and the second surface, The undercut structure is held between the fixing member and the second surface.