CN111510604A - Manufacturing method of rear shell, rear shell assembly and electronic equipment - Google Patents
Manufacturing method of rear shell, rear shell assembly and electronic equipment Download PDFInfo
- Publication number
- CN111510604A CN111510604A CN202010336986.5A CN202010336986A CN111510604A CN 111510604 A CN111510604 A CN 111510604A CN 202010336986 A CN202010336986 A CN 202010336986A CN 111510604 A CN111510604 A CN 111510604A
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- Prior art keywords
- hole
- boss
- layer
- blank
- matte
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Abstract
The application discloses manufacturing approach, backshell subassembly and electronic equipment of backshell, the backshell is used for the electronic equipment that has the camera, manufacturing approach includes: forming a rear shell rough blank by an injection molding process, wherein the rear shell rough blank comprises a rough blank main body and a boss protruding out of the outer surface of the rough blank main body; and processing a through hole penetrating through the boss and the rough blank main body along the thickness direction of the rear shell rough blank at the boss, wherein a camera lens of the electronic equipment is suitable for being installed in the through hole. According to the manufacturing method of the rear shell, the manufacturing process of the rear shell is simplified, the difficulty of the manufacturing process is reduced, the production efficiency is improved, and the production cost is reduced. Moreover, the rear shell manufactured by the manufacturing method is provided with the boss which can be used as a camera decorating part of the camera lens, so that the integration effect of the rear shell is improved, the structure of the electronic equipment can be simplified, and the structural design of the electronic equipment is more flexible.
Description
Technical Field
The present disclosure relates to electronic devices and manufacturing methods thereof, and particularly to a method for manufacturing a rear housing, a rear housing assembly and an electronic device.
Background
In the related art, in an electronic device having a camera, a camera lens is generally mounted and fixed on a rear case of the electronic device through a camera decoration, and a camera mounting member protrudes from an outer surface of the rear case to protect the camera lens. This design makes the wholeness of electronic equipment's backshell poor, and in order to protect the camera lens, camera decoration is indispensable part, has restricted the structural design space of electronic equipment and structural further simplification.
Disclosure of Invention
The application provides a manufacturing method of a rear shell, the manufacturing method is simple and the process difficulty is low, the rear shell manufactured by the manufacturing method is provided with a boss, the boss can be used as a camera decorating part of a camera lens, the integrated effect of the rear shell of electronic equipment is improved, the boss can play a role in protecting the camera lens, the structure of the electronic equipment can be simplified, and the structural design of the electronic equipment is more flexible.
The application also provides a rear shell of the electronic equipment.
The application also provides a rear shell assembly with the rear shell.
The application also provides an electronic device with the rear shell assembly.
The manufacturing method of the rear case according to the embodiment of the first aspect of the present application, the rear case being used for an electronic apparatus having a camera, includes: forming a rear shell rough blank by an injection molding process, wherein the rear shell rough blank comprises a rough blank main body and a boss protruding out of the outer surface of the rough blank main body; and processing a through hole penetrating through the boss and the rough blank main body along the thickness direction of the rear shell rough blank at the boss, wherein a camera lens of the electronic equipment is suitable for being installed in the through hole.
According to the manufacturing method of the rear shell, the rear shell rough blank is formed through the injection molding process, the through hole for installing the camera lens is machined in the boss of the rear shell rough blank, the manufacturing process of the rear shell is simplified, and the through hole is machined after the rear shell rough blank is formed through the injection molding process, so that the requirement on a mold for injection molding is low, the difficulty of the manufacturing process is reduced, the production efficiency is improved, and the production cost is reduced. The rear shell manufactured by the manufacturing method is provided with the boss which can be used as a camera decorating part of the camera lens, so that the integration effect of the rear shell of the electronic equipment is improved, the abrasion of the camera lens and the large-area abrasion of the surface of the rear shell can be reduced by the boss, the structure of the electronic equipment can be simplified, and the structural design of the electronic equipment is more flexible.
According to the back shell of the electronic equipment of this application second aspect embodiment, electronic equipment includes the camera, the back shell includes: the rear shell body comprises a rear shell main body and a boss convexly arranged on the outer surface of the rear shell main body, the rear shell body is an integrated injection molding part, the boss is formed with an edge, the thickness direction of the rear shell penetrates through the boss and the through hole of the rear shell main body, and a camera lens of the electronic equipment is suitable for being installed in the through hole.
According to the backshell of electronic equipment of this application embodiment, manufacturing process is simple and the technology degree of difficulty is lower, because the backshell body of this backshell is the integrated injection moulding spare and the backshell body has the boss, the camera decoration of camera lens can be regarded as to this boss, has improved the integration effect of the backshell of electronic equipment, and this boss can reduce the wearing and tearing of camera lens and the wearing and tearing of the surperficial large tracts of land of backshell, can simplify electronic equipment's structure and make electronic equipment's structural design more nimble.
A rear case assembly for an electronic device according to an embodiment of the third aspect of the present application includes: a rear housing according to an embodiment of the second aspect of the present application; the camera lens is arranged in the through hole.
According to the electronic equipment's backshell subassembly of this application embodiment, through setting up foretell backshell, make the simple and the technology degree of difficulty of manufacturing process of backshell subassembly lower, because the backshell body of this backshell has the boss for an organic whole injection moulding spare and backshell body, the camera decoration of camera lens can be regarded as to this boss, the integration effect of electronic equipment's backshell has been improved, and this boss can reduce the wearing and tearing of camera lens and the wearing and tearing of the surperficial large tracts of land of backshell, can simplify electronic equipment's structure and make electronic equipment's structural design more nimble.
An electronic device according to an embodiment of a fourth aspect of the present application includes: a rear housing assembly according to an embodiment of the above third aspect of the present application; the camera is arranged on the inner side of the rear shell assembly, and the camera lens are arranged oppositely.
According to the electronic equipment provided by the embodiment of the application, the rear shell assembly is arranged, so that the integrated effect of the rear shell of the electronic equipment can be improved, the boss of the rear shell can reduce the abrasion of a camera lens and the large-area abrasion of the surface of the rear shell, the structure of the electronic equipment can be simplified, and the structural design of the electronic equipment is more flexible.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of some electronic devices according to the present application;
FIG. 2 is a schematic view of a rear housing assembly of some electronic devices according to the present application;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is a side view of the rear housing assembly of FIG. 2;
FIG. 6 is another angled side view of the rear housing assembly of FIG. 2;
FIG. 7 is a schematic flow chart diagram of a method of manufacturing a rear housing according to some embodiments of the present application.
Reference numerals:
an electronic device 100;
a rear housing assembly 10;
a rear housing 1;
a rear case body 11; a rear case main body 111; a boss 112; a through hole 113; a first bore section 1131; a second bore segment 1132; a step surface 1133;
a hardened layer 12; a matte layer 13; a functional layer 14;
a camera lens 2; an adhesive layer 21;
a display screen assembly 30.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
A method of manufacturing the rear case 1 according to an embodiment of the present application is described below with reference to fig. 2 to 7.
According to the manufacturing method of the rear case 1 of the embodiment of the first aspect of the present application, the rear case 1 is used for the electronic apparatus 100 with the camera, and the manufacturing method of the rear case 1 includes:
the rear shell rough blank is formed by an injection molding process, for example, the rear shell rough blank can be formed by injection molding with PC resin, and the parameters of the injection molding can be: front mold temperature: 110-120 ℃, and the post-mold temperature: 60-70 ℃, the injection speed is 320mm/s, the injection pressure is not more than 2500MPa, the pressure maintaining is not more than 500MPa, the rear shell rough blank comprises a rough blank main body and a boss 112 protruding out of the outer surface of the rough blank main body, therefore, the rear shell rough blank with the boss 112 can be integrally formed through an injection molding process, the processing and forming process of the rear shell rough blank can be simplified, and compared with the process of carrying out large-surface thinning on a plate with larger thickness (such as a glass plate with larger thickness) to realize local protrusion, the forming process can save thinning treatment procedures, improve the production efficiency and reduce the production cost;
through holes 113 penetrating through the bosses 112 and the rough blank main body in the thickness direction of the rear shell rough blank are processed at the bosses 112, and the camera lens 2 of the electronic device 100 is suitable for being installed in the through holes 113, so that the requirement on an injection molding mold is low, and the difficulty of a manufacturing process and the mold cost are reduced.
And, since the rear shell blank including the blank body and the bosses 112 protruding from the outer surface of the blank body is integrally formed by the injection molding process. When the rear shell 1 manufactured by the manufacturing method is used for the electronic device 100, the rear shell 1 manufactured by the manufacturing method is provided with the boss 112, the boss 112 can be used as a camera decorating part of the camera lens 2, the integration effect of the rear shell 1 of the electronic device 100 is improved, and the boss 112 can reduce the abrasion of the camera lens 2 and the large-area abrasion of the surface of the rear shell 1.
For example, when the rear case manufactured by the manufacturing method is used for the electronic apparatus 100, the electronic apparatus 100 is placed on a medium surface such as a desktop, and since the boss 112 protrudes from the outer surface of the rear case main body 111, the boss 112 can be supported on the medium surface as a supporting point, so that the camera lens 2 is prevented from directly contacting the medium surface, and the outer surface of the rear case 1 can be prevented from contacting the medium surface in a large area, thereby reducing the wear of the camera lens 2 and the wear of the surface of the rear case 1 in a large area, ensuring the shooting effect of the electronic apparatus 100, and reducing the wear of the rear case 1.
In addition, the manufacturing method can simplify the structure of the electronic device 100 and make the structural design of the electronic device 100 more flexible. For example, the boss 112 of the rear case 1 may serve as a camera decoration of the camera lens 2, and an additional camera decoration may be omitted, and the camera lens 2 may be directly mounted in the through hole 113, so that the structure of the electronic device 100 is simplified, the number of parts is reduced, the cost is reduced, the assembly process is simplified, and the assembly efficiency of the electronic device 100 may be improved.
Optionally, a camera decoration may not be omitted, the camera lens 2 is mounted and fixed on the camera decoration, and the camera decoration is mounted in the through hole 113 of the rear case 1, so that the structural design of the electronic device 100 may be more flexible. For example, according to design requirements, the camera decoration part can be selected to be additionally arranged or omitted.
According to the manufacturing method of the rear shell 1, the rear shell rough blank is formed through the injection molding process, the through hole 113 for installing the camera lens 2 is machined in the boss 112 of the rear shell rough blank, the manufacturing process of the rear shell 1 is simplified, and the through hole 113 is machined after the rear shell rough blank is formed through the injection molding process, so that the requirement on an injection molding die is low, the difficulty of the manufacturing process is reduced, the production efficiency is improved, and the production cost is reduced. Moreover, the rear case 1 manufactured by the manufacturing method has the boss 112, the boss 112 can be used as a camera decoration of the camera lens 2, the integration effect of the rear case 1 of the electronic device 100 is improved, the boss 112 can reduce the abrasion of the camera lens 2 and the large-area abrasion of the surface of the rear case 1, the structure of the electronic device 100 can be simplified, and the structural design of the electronic device 100 is more flexible.
According to some embodiments of the present application, referring to fig. 3 and 4, the through hole 113 includes a first hole section 1131 and a second hole section 1132 arranged along an axial direction of the through hole 113, the first hole section 1131 is located on a side of the second hole section 1132 adjacent to an outer surface of the blank of the rear shell, a hole diameter of the first hole section 1131 is larger than a hole diameter of the second hole section 1132, a portion of an inner wall of the through hole 113 located between the first hole section 1131 and the second hole section 1132 is formed as a stepped surface 1133, and the camera lens 2 is adapted to be mounted in the first hole section 1131 and supported on the stepped surface 1133. From this, through setting up through-hole 113 to including the different first hole section 1131 and the second hole section 1132 in aperture so that be formed with the step surface 1133 on the inner wall of through-hole 113, made things convenient for camera lens 2's installation fixed from this, improve camera lens 2's the fixed stability and the reliability of installation, and the camera decoration that sets up in addition can be saved in this design, directly install camera lens 2 to above-mentioned through-hole 113 in, electronic equipment 100's structure has been simplified, the quantity of spare part has been reduced, and the cost is reduced, the assembly process has also been simplified, can improve electronic equipment 100's assembly efficiency.
In some alternative embodiments of the present application, referring to fig. 3 and 4, in the process of forming the through hole 113, a hole blank penetrating through the boss 112 and the blank main body in the thickness direction of the rear shell blank is first formed at the boss 112, an annular groove is formed on the inner peripheral wall of the hole blank and penetrates through the axial outer end surface of the boss 112, the annular groove and the portion of the hole blank located on the inner peripheral side of the annular groove jointly form the first hole section 1131, and the rest of the hole blank forms the second hole section 1132. Therefore, in the process of processing and forming the through hole 113, the hole blank with the smaller bore diameter is processed firstly, and then the annular groove is processed on the inner peripheral wall of the hole blank, so that the through hole 113 comprising two hole sections with different bore diameters can be processed and formed conveniently, the processing quality of the through hole 113 can be ensured, and the processing procedure ensures that the processing of the through hole 113 is more convenient and the operability is stronger.
According to some embodiments of the present application, referring to fig. 3, 4 and 7, the back shell blank is light transmissive, e.g., the back shell blank is a light transmissive PC resin piece, the back shell blank may be transparent, the functional layer 14 may be formed on an inner surface of the back shell blank, and the functional layer 14 includes at least one of a color layer and a texture layer. Thus, by providing the rear shell blank to be light transmissive and forming the functional layer 14 on the inner surface of the rear shell blank, the rear shell 1 can be made to present at least one of a color and a texture effect in appearance. For example, where the functional layer 14 comprises a colour layer, the rear shell 1 may exhibit a colour effect; when the functional layer 14 comprises a texture layer, the rear shell 1 may exhibit a texture effect; when the functional layer 14 includes a color layer and a texture layer, the rear case 1 may exhibit color and texture effects.
Alternatively, the functional layer 14 may comprise a transparent carrier sheet and at least one of a color layer and a texture layer disposed on the carrier sheet, whereby the at least one of a color layer and a texture layer may be disposed on the carrier sheet first, and then the carrier sheet with the color layer and/or texture layer may be disposed on the inner surface of the rear shell blank. For example, a 3D vacuum laminator can be used to apply a carrier sheet with a color layer and/or a texture layer to the interior surface of the back shell blank with the application parameters: the temperature was 30 ℃, the vacuum was applied for 15s, and the lamination was performed for 10 s.
Alternatively, the functional layer 14 may be directly formed on the inner surface of the rear shell blank by spraying, vacuum coating, or the like.
According to some embodiments of the present application, referring to fig. 3, 4, and 7, the outer surface of the boss 112 is a boss surface, and the set position of the boss surface, which includes at least the axially outer end surface of the boss 112, is subjected to a hardening process to form the hardened layer 12, may include only the axially outer end surface of the boss 112, and may also include the axially outer end surface of the boss 112 and the outer surface of the boss 112 in the circumferential direction of the through hole 113, where the axially outer end surface of the boss 112 refers to the outer end surface of the boss 112 in the axial direction of the through hole 113. Since the bosses 112 are provided to protrude from the blank body, when the rear case 1 is applied to the electronic apparatus 100, the bosses 112 are more likely to be worn, and the wear resistance of the boss surfaces can be improved by performing hardening treatment at the set positions of the boss surfaces to form the hardened layers 12.
According to some embodiments of the present application, hardening the set position of the boss surface comprises the steps of:
shielding the rest of the set position of the rear shell rough blank except the boss surface, for example, shielding the rest of the set position of the rear shell rough blank except the boss surface by using a shielding film;
spraying the hardening liquid at the set position on the surface of the boss, so that the hardening liquid can be sprayed to the set position when being sprayed, and the hardening liquid can be prevented from being sprayed to other positions through the shielding effect;
the hardening liquid sprayed on the set position of the boss surface is irradiated by ultraviolet light to be solidified, and finally the hardening layer 12 is formed, so that the hardening liquid is solidified to form the hardening layer 12, and the hardening liquid is fixed on the boss 112.
Before the hardening liquid sprayed on the set position on the surface of the boss is irradiated by ultraviolet light, the hardening liquid can be leveled at the set position on the surface of the boss, the leveling time can be 210-270s, so that the hardening liquid can be leveled at the set position on the surface of the boss sufficiently, the hardening liquid is distributed uniformly, the thickness of the finally formed hardening layer 12 is uniform, and the production efficiency can be ensured.
In some alternative embodiments of the present application, the rear shell blank is transparent to light, and the ultraviolet light irradiates the hardening liquid sprayed on the set position of the boss surface from both sides in the thickness direction of the rear shell blank, respectively, in the process of irradiating the hardening liquid with the ultraviolet light. Therefore, both sides of the hardening liquid can be effectively irradiated by ultraviolet light, so that the hardening liquid is quickly cured and uniformly cured, and the part of the hardening liquid, which is adjacent to the rear shell rough blank, is fully cured. For example, the energy range of the ultraviolet light irradiation hardening liquid is 480-530mj, wherein the energy of the ultraviolet light irradiated from the inner surface of the rear shell rough blank towards the outer surface of the rear shell rough blank can be slightly larger than the energy of the ultraviolet light irradiated from the outer surface of the rear shell rough blank towards the inner surface of the rear shell rough blank.
Alternatively, after the hardening liquid is applied to the set position on the surface of the boss by ultraviolet irradiation so as to be cured, the cured hardened layer 12 may be baked to remove moisture, thereby forming the final hardened layer 12. Wherein, the baking temperature can be 50-60 deg.C, and the baking time can be 270-330s, so as to remove the moisture sufficiently and prevent the hardening layer 12 from embrittlement caused by baking transition. In this embodiment, the hardening liquid includes an oligomer, a monomer, and a photoinitiator as main components.
According to some alternative embodiments of the present application, referring to fig. 7, the set position of the boss surface is hardened before the through-hole 113 is machined. Thereby, the hardening process operation is facilitated, and for example, the problem of increased difficulty in masking due to the presence of the through-hole 113 may be eliminated.
According to some embodiments of the present application, referring to fig. 3, 4, and 7, at least the outer surface of the blank body is subjected to a matte treatment to form the matte layer 13, for example, only the outer surface of the blank body may be subjected to the matte treatment to form the matte layer 13, or the outer surface of the blank body and the circumferential outer surface of the boss 112 may be subjected to the matte treatment to form the matte layer 13. Therefore, the large surface of the rear shell 1 has a matte effect, and the glare problem can be prevented.
Optionally, the matte layer 13 may be opaque or transparent. When the rear shell blank is light-transmitting and the functional layer 14 is provided on the inner surface of the rear shell blank, the matte layer 13 is light-transmitting.
According to some optional embodiments of the application, the matte treatment comprises spraying a matte paint on at least the outer surface of the rough blank main body to form a matte layer 13, and the matte layer is delustred by the diffuse reflection principle of a matte powder solute in the matte paint, absorbs light, reduces the reflection amount and realizes a matte effect. The process can conveniently realize the matte effect, and can realize the matte effects of different degrees by setting the proportion of the matte powder solute according to the needs.
In some optional embodiments of the present application, when the matte treatment comprises spraying a matte paint on at least the outer surface of the blank body to form the matte layer 13, the matte treatment comprises the following steps: spraying a primer on at least the outer surface of the blank body to form a transition layer; a matte paint is sprayed on the transition layer to form a matte layer 13, and the composition of the primer is different from that of the matte paint. Therefore, before the matte paint is sprayed on the outer surface of the rough blank main body or the outer surface of the rough blank main body and the circumferential outer surface of the boss 112 to form the matte layer 13, the primer is firstly sprayed on the outer surface of the rough blank main body or the outer surface of the rough blank main body and the circumferential outer surface of the boss 112 to form a transition layer, and then the matte paint is sprayed on the transition layer to form the matte layer 13, so that the adhesive force between the matte layer 13 and the rear shell rough blank can be improved, and the falling risk of the matte layer 13 is reduced.
Optionally, after spraying the primer on at least the outer surface of the blank body, baking the primer, curing to form the transition layer, and allowing the primer to adhere to the rear shell blank by curing. Wherein the baking temperature may be less than 50 ℃.
Optionally, the matte paint may be UV matte paint, the UV matte paint may be mixed resin, after the matte paint is sprayed, the UV matte paint may be cured by ultraviolet irradiation, and the curing energy may be 600-2。
According to further alternative embodiments of the present application, the matte treatment comprises sandblasting at least the outer surface of the blank body so as to roughen at least the outer surface layer of the blank body to form the matte layer 13. Thereby, the outer surface of the rear shell 1 can have a matte sanding effect. For example, when the rear shell rough blank is transparent, at least the outer surface layer of the rough blank main body is roughened to form the matte layer 13, so that the large outer surface of the rear shell 1 can have a semi-transparent matte frosting effect, and the transparency of the matte layer 13 can be adjusted by adjusting the sand blasting process.
According to some alternative embodiments of the present application, referring to fig. 7, at least the outer surface of the blank body is matte prior to machining the through-hole 113. Therefore, the matte treatment is performed before the through hole 113 is processed, so that the problem that the materials involved in the matte treatment process enter the through hole 113 to increase the process difficulty and the process time can be avoided.
When the hardened layer 12 is provided on the rear shell blank, the through hole 113 simultaneously penetrates through the hardened layer 12; when the functional layer 14 is provided on the rear case blank, the through-hole 113 penetrates the functional layer 14 at the same time.
Referring to fig. 2-6 in combination with fig. 7, a rear case 1 of an electronic device 100 according to an embodiment of the second aspect of the present application, where the electronic device 100 includes a camera, the rear case 1 includes: a rear housing body 11.
The rear housing body 11 includes a rear housing main body 111 and a boss 112 protruding from an outer surface of the rear housing main body 111, and the rear housing body 11 is an integrally injection-molded component, for example, the rear housing body 11 may be an integrally injection-molded PC resin component. A through hole 113 penetrating the boss 112 and the rear case main body 111 in the thickness direction of the rear case 1 is formed at the boss 112, and the camera lens 2 of the electronic apparatus 100 is adapted to be mounted in the through hole 113.
Therefore, the rear shell body 11 with the boss 112 can be integrally formed through an integral injection molding process, the machining and forming process of the rear shell 1 can be simplified, and compared with the process of thinning a plate with larger thickness (such as a glass plate with larger thickness) to realize local protrusion, the forming process can save thinning treatment procedures, improve production efficiency and reduce production cost.
Moreover, since the rear case body 11 including the rear case main body 111 and the boss 112 protruding from the outer surface of the rear case main body 111 is integrally formed by the injection molding process, when the rear case 1 is used in the electronic device 100, since the rear case 1 has the boss 112, the boss 112 can be used as a camera decoration of the camera lens 2, so that the integration effect of the rear case 1 of the electronic device 100 is improved, and the boss 112 can reduce the wear of the camera lens 2 and the wear of the surface of the rear case 1 in a large area.
For example, when the electronic device 100 having the rear case 1 is placed on a medium surface such as a desktop, since the boss 112 protrudes from the outer surface of the rear case main body 111, the boss 112 can be supported on the medium surface as a supporting point, so as to prevent the camera lens 2 from directly contacting the medium surface, and prevent the outer surface of the rear case 1 from contacting the medium surface in a large area, thereby reducing the wear of the camera lens 2 and the wear of the surface of the rear case 1 in a large area, ensuring the shooting effect of the electronic device 100, and reducing the wear of the rear case 1.
In addition, the rear case 1 may simplify the structure of the electronic apparatus 100 and make the structural design of the electronic apparatus 100 more flexible. For example, the boss 112 of the rear case 1 may serve as a camera decoration of the camera lens 2, and an additional camera decoration may be omitted, and the camera lens 2 may be directly mounted in the through hole 113, so that the structure of the electronic device 100 is simplified, the number of parts is reduced, the cost is reduced, the assembly process is simplified, and the assembly efficiency of the electronic device 100 may be improved.
Optionally, a camera decoration may not be omitted, the camera lens 2 is mounted and fixed on the camera decoration, and the camera decoration is mounted in the through hole 113 of the rear case 1, so that the structural design of the electronic device 100 may be more flexible. For example, according to design requirements, the camera decoration part can be selected to be additionally arranged or omitted.
When the rear case 1 is manufactured by the above-described manufacturing method, the rear case body 11 is formed from the rear case blank, and the rear case main body 111 is formed from the blank main body.
According to the backshell 1 of electronic equipment 100 of the embodiment of this application, manufacturing process is simple and the technology degree of difficulty is lower, because the backshell body 11 of this backshell 1 is the integrative injection moulding piece and backshell body 11 has boss 112, this boss 112 can regard as the camera decoration of camera lens 2, the integration effect of backshell 1 of electronic equipment 100 has been improved, and this boss 112 can reduce the wearing and tearing of camera lens 2 and the wearing and tearing of the surperficial large tracts of land of backshell 1, can simplify the structure of electronic equipment 100 and make the structural design of electronic equipment 100 more nimble.
According to some embodiments of the present application, referring to fig. 3 and 4, the through hole 113 includes a first hole section 1131 and a second hole section 1132 arranged along an axial direction of the through hole 113, the first hole section 1131 is located on a side of the second hole section 1132 adjacent to an outer surface of the rear shell 1, a hole diameter of the first hole section 1131 is larger than a hole diameter of the second hole section 1132, a portion of an inner wall of the through hole 113 located at the first hole section 1131 and the second hole section 1132 is formed as a stepped surface 1133, and the camera lens 2 is adapted to be mounted in the first hole section 1131 and supported on the stepped surface 1133. From this, through setting up through-hole 113 to including the different first hole section 1131 and the second hole section 1132 in aperture so that be formed with the step surface 1133 on the inner wall of through-hole 113, made things convenient for camera lens 2's installation fixed from this, improve camera lens 2's the fixed stability and the reliability of installation, and the camera decoration that sets up in addition can be saved in this design, directly install camera lens 2 to above-mentioned through-hole 113 in, electronic equipment 100's structure has been simplified, the quantity of spare part has been reduced, and the cost is reduced, the assembly process has also been simplified, can improve electronic equipment 100's assembly efficiency.
According to some embodiments of the present application, referring to fig. 3 and 4 in combination with fig. 7, the back cover body 11 is light permeable, the inner surface of the back cover body 11 is provided with the functional layer 14, the functional layer 14 includes at least one of a color layer and a texture layer, and the through hole 113 penetrates through the functional layer 14. Thus, by providing the rear case body 11 to be light transmissive and forming the functional layer 14 on the inner surface of the rear case body 11, the rear case 1 can be made to present at least one of color and texture effects in appearance. For example, where the functional layer 14 comprises a colour layer, the rear shell 1 may exhibit a colour effect; when the functional layer 14 comprises a texture layer, the rear shell 1 may exhibit a texture effect; when the functional layer 14 includes a color layer and a texture layer, the rear case 1 may exhibit color and texture effects.
The functional layer 14 may be formed by the formation process of the functional layer 14 in the manufacturing method described above.
According to some embodiments of the present application, referring to fig. 3 and 4 in combination with fig. 7, the outer surface of the boss 112 is a boss surface, the set position of the boss surface is formed with the hardened layer 12, the set position of the boss surface includes at least an axially outer end surface of the boss 112, and the through hole 113 penetrates through the hardened layer 12. The set position of the boss surface may only include the axial outer end surface of the boss 112, and the set position of the boss surface may also include the axial outer end surface of the boss 112 and the outer surface of the boss 112 along the circumferential direction of the through hole 113, where the axial outer end surface of the boss 112 refers to the outer end surface of the boss 112 in the axial direction of the through hole 113. Since the boss 112 protrudes from the rear case body 111, when the rear case 1 is applied to the electronic apparatus 100, the boss 112 is more likely to be worn, and the wear resistance of the boss surface can be improved by performing hardening treatment at the set position of the boss surface to form the hardened layer 12. The hardened layer 12 in this embodiment can be formed by the hardened layer 12 formation process in the above-described manufacturing method.
Alternatively, the stiffening layer 12 may be opaque or transparent. When the rear case body 11 is light-transmissive and the functional layer 14 is provided on the inner surface of the rear case body 11, the hardened layer 12 is light-transmissive.
According to some embodiments of the present application, referring to fig. 3 and 4 in combination with fig. 7, at least the outer surface of the rear housing main body 111 is formed with the matte layer 13, for example, only the outer surface of the blank main body may be subjected to a matte treatment to form the matte layer 13, or the outer surface of the blank main body and the circumferential outer surface of the boss 112 may be subjected to a matte treatment to form the matte layer 13. Therefore, the large surface of the rear shell 1 has a matte effect, and the glare problem can be prevented.
Optionally, the matte layer 13 may be opaque or transparent. When the rear case body 11 is light-transmissive and the functional layer 14 is provided on the inner surface of the rear case body 11, the matte layer 13 is light-transmissive.
Optionally, the matte layer 13 may be a matte lacquer layer, for example the matte layer 13 may be a UV matte lacquer layer. The matte paint layer is matt according to the diffuse reflection principle of a matte powder solute in the matte paint layer, light is absorbed, the reflection amount is reduced, and the matte effect is achieved. From this, through setting up matte layer 13 for the matte lacquer layer, can conveniently realize matte effect, and can realize the matte effect of different degrees through setting for the proportion of matte powder solute as required.
Further, a transition layer is arranged between the matte layer 13 and the rear shell body 11, and the transition layer is a primer layer. Therefore, the adhesion force between the matte layer 13 and the rear shell body 11 can be improved, and the falling risk of the matte layer 13 can be reduced.
Optionally, at least the outer surface of the rear case main body 111 is subjected to roughening treatment to form the matte layer 13. Thereby, the outer surface of the rear shell 1 can have a matte sanding effect. For example, when the rear shell rough blank is transparent, at least the outer surface layer of the rough blank main body is roughened to form the matte layer 13, so that the large outer surface of the rear shell 1 can have a semi-transparent matte frosting effect, and the transparency of the matte layer 13 can be adjusted by adjusting the roughening process.
Optionally, the matte layer 13 has a thickness in the range of 15-25 μm. Therefore, the matte effect can be ensured, and meanwhile, the whole machine is light and thin. In addition, when the rear shell body 11 and the matte layer 13 are both transparent, the thickness of the matte layer 13 is set within the above range, so that the transparent effect can be ensured, and the color and/or texture effect of the functional layer 14 on the inner surface of the rear shell body 11 can be better reflected from the appearance.
A case of the electronic device 100 and a method of manufacturing the same according to one embodiment of the present application are described below with reference to fig. 2 to 7.
Referring to fig. 2 to 6, the electronic device 100 includes a camera, the rear case 1 includes a rear case body 11, the rear case body 11 includes a rear case main body 111 and a boss 112 protruding from an outer surface of the rear case main body 111, an inner surface of the rear case body 11 is provided with a functional layer 14, the outer surface of the rear case main body 111 and an outer surface of the boss 112 in a circumferential direction are provided with a matte layer 13, an outer end surface in an axial direction of the boss 112 is provided with a hardened layer 12, and a through hole 113 penetrating through the case in a rear end direction of the case is formed at the boss 112.
Referring to fig. 7, the method of manufacturing the case may include the steps of:
s10, forming a rear shell rough blank with a boss 112 through an injection molding process;
s20, hardening the set position of the boss surface (for example, the axial outer end face of the boss 112) to form a hardened layer 12;
s30, performing matte treatment on at least the outer surface of the blank main body (for example, the outer surface of the blank main body and the outer surface of the boss 112 in the circumferential direction) to form a matte layer 13;
s40, forming the functional layer 14 on the inner surface of the rear shell rough blank;
s50, processing a through hole 113 penetrating in the thickness direction of the rear shell blank at the boss 112, wherein the through hole 113 penetrates through the hardened layer 12, the boss 112, the blank body and the functional layer 14;
s60, the rear shell 1 is formed by machining, wherein the rear shell main body 111 is formed by a rough blank main body, and the rear shell main body 11 is formed by a rear shell rough blank.
The rear housing assembly 10 of the electronic device 100 according to the embodiment of the third aspect of the present application includes: backshell 1 and camera lens 2, backshell 1 is according to the backshell 1 of the above-mentioned second aspect embodiment of this application, and camera lens 2 locates in through-hole 113, and camera lens 2 can play the effect of the camera of protection electronic equipment 100, and camera lens 2 light-permeable, for example camera lens 2 is transparent and has high luminousness.
The outer axial end face of the boss 112 can protrude outwards from the camera lens 2, so that the boss 112 can protect the camera lens 2, and the abrasion probability of the camera lens 2 is reduced.
According to the rear shell assembly 10 of the electronic device 100 of the embodiment of the application, by setting the rear shell 1, the manufacturing process of the rear shell assembly 10 is simple and the process difficulty is low, because the rear shell body 11 of the rear shell 1 is an integral injection molding piece and the rear shell body 11 is provided with the boss 112, the boss 112 can be used as a camera decoration part of the camera lens 2, the integral effect of the rear shell 1 of the electronic device 100 is improved, the boss 112 can reduce the abrasion of the camera lens 2 and the abrasion of the large area of the surface of the rear shell 1, the structure of the electronic device 100 can be simplified, and the structural design of the electronic device 100 is more flexible.
According to some embodiments of the present application, referring to fig. 3 and 4, the through hole 113 includes a first hole segment 1131 and a second hole segment 1132 arranged along an axial direction of the through hole 113, the first hole segment 1131 is located on a side of the second hole segment 1132 adjacent to an outer surface of the rear shell 1, a hole diameter of the first hole segment 1131 is larger than a hole diameter of the second hole segment 1132, a portion of an inner wall of the through hole 113 located on the first hole segment 1131 and the second hole segment 1132 is formed into a step surface 1133, and the camera lens 2 is disposed in the first hole segment 1131 and connected to the step surface 1133 through the adhesive layer 21. From this, through setting up through-hole 113 to including the different first hole section 1131 and the second hole section 1132 in aperture so that be formed with the step surface 1133 on the inner wall of through-hole 113, made things convenient for camera lens 2's installation fixed from this, improve camera lens 2's the fixed stability and the reliability of installation, and the camera decoration that sets up in addition can be saved in this design, directly install camera lens 2 to above-mentioned through-hole 113 in, electronic equipment 100's structure has been simplified, the quantity of spare part has been reduced, and the cost is reduced, the assembly process has also been simplified, can improve electronic equipment 100's assembly efficiency.
According to other embodiments of the present application, the rear housing assembly 10 includes: a mounting member, at least a portion of which is located in the through hole 113, the camera lens 2 being provided in the mounting member. From this, can install camera lens 2 to the installed part earlier, install the installed part to the through-hole 113 in again, can reduce the degree of difficulty that camera lens 2 installed to the through-hole 113 from this to can reduce the damage to camera lens 2 in the installation. In addition, since the through hole 113 penetrates the boss 112 and the rear case main body 111, the area of the inner circumferential surface of the through hole 113 can be increased, so that the connection area of the mounting member with the inner wall of the through hole 113 can be increased, and the mounting member can be more reliably fixed to the rear case body 11.
Referring to fig. 1-6, an electronic device 100 according to a fourth aspect of the present application includes: the rear housing assembly 10 is the rear housing assembly 10 according to the third aspect of the present application, the camera is disposed on the inner side of the rear housing assembly 10 (the "inner side of the rear housing assembly 10" refers to a side of the rear housing assembly 10 adjacent to the center of the electronic device 100), the camera is disposed opposite to the camera lens 2, and external light can enter the camera through the camera lens 2.
For example, in the example of fig. 1, the electronic device 100 is a mobile terminal (e.g., a mobile phone), the electronic device 100 includes the above-mentioned rear housing assembly 10, a camera, a main board, and a display screen assembly 30, the display screen assembly 30 is connected to the rear housing assembly 10 and defines a mounting cavity, and the main board and the camera are both disposed in the mounting cavity.
The electronic device 100 of the present application may be, for example, any of various types of computer system devices (only one modality shown in fig. 1 by way of example) that are mobile or portable and that perform wireless communications. Specifically, electronic device 100 may be a mobile or smart phone (e.g., an iPhone (TM) based, Android (TM) based phone), a Portable gaming device (e.g., a Nintendo DS (TM), PlayStation Portable (TM), Game Advance (TM), iPhone (TM)), a laptop, a PDA, a Portable Internet device, a music player and data storage device, other handheld devices and head-worn devices such as watches, in-ear headphones, pendant, headphones, etc., electronic device 100 may also be other wearable devices (e.g., a head-worn device (HMD) such as electronic glasses, electronic clothing, electronic bracelets, electronic necklaces, electronic tattoos, electronic device 100, or smart watches).
According to the electronic device 100 of the embodiment of the application, by providing the rear housing assembly 10, the integration effect of the rear housing 1 of the electronic device 100 can be improved, the boss 112 of the rear housing 1 can reduce the wear of the camera lens 2 and the wear of the large area of the surface of the rear housing 1, the structure of the electronic device 100 can be simplified, and the structural design of the electronic device 100 can be more flexible.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (25)
1. A method of manufacturing a rear case for an electronic device having a camera, the method comprising:
forming a rear shell rough blank by an injection molding process, wherein the rear shell rough blank comprises a rough blank main body and a boss protruding out of the outer surface of the rough blank main body;
and processing a through hole penetrating through the boss and the rough blank main body along the thickness direction of the rear shell rough blank at the boss, wherein a camera lens of the electronic equipment is suitable for being installed in the through hole.
2. The method of manufacturing a rear case according to claim 1, wherein the through-hole includes a first hole section and a second hole section arranged in an axial direction of the through-hole, the first hole section is located on a side of the second hole section adjacent to an outer surface of the rear case blank, a hole diameter of the first hole section is larger than a hole diameter of the second hole section, a portion of an inner wall of the through-hole between the first hole section and the second hole section is formed as a stepped surface, and the camera lens is adapted to be mounted in the first hole section and supported on the stepped surface.
3. A method for manufacturing a rear case according to claim 2, wherein in the step of forming the through hole, a hole blank is formed at the boss so as to penetrate through the boss and the blank main body in the thickness direction of the rear case blank, an annular groove is formed in the inner peripheral wall of the hole blank so as to penetrate through the axially outer end surface of the boss, the annular groove and a portion of the hole blank located on the inner peripheral side of the annular groove together constitute the first hole section, and the remaining portion of the hole blank constitutes the second hole section.
4. A method of manufacturing a rear cover as claimed in claim 1, wherein the rear cover blank is light permeable and a functional layer is formed on an inner surface of the rear cover blank, the functional layer including at least one of a color layer and a texture layer.
5. The method of manufacturing a rear case according to claim 1, wherein an outer surface of the boss is a boss surface, and a set position of the boss surface including at least an axially outer end surface of the boss is subjected to hardening treatment to form a hardened layer.
6. The method of manufacturing a rear case according to claim 5, wherein the hardening of the set position of the boss surface includes the steps of:
shielding the rest part of the rear shell rough blank except the set position of the boss surface;
spraying hardening liquid at a set position on the surface of the boss;
and utilizing ultraviolet irradiation to spray the hardening liquid on the set position on the surface of the boss so as to solidify the hardening liquid, and finally forming the hardening layer.
7. The method of claim 6, wherein the rear case blank is transparent to light, and the ultraviolet light irradiates the hardening liquid applied to the predetermined position on the surface of the boss from both sides in the thickness direction of the rear case blank during the ultraviolet light irradiation.
8. A method of manufacturing a rear cover as claimed in claim 5, wherein the set position of the boss surface is hardened before the through-hole is machined.
9. A method of manufacturing a rear cover according to any one of claims 1 to 8, wherein at least an outer surface of the blank body is matte-treated to form a matte layer.
10. A method of manufacturing a rear cover according to claim 9, wherein the matte treatment comprises spraying a matte paint on at least an outer surface of the blank body to form the matte layer; alternatively, the matte treatment comprises sandblasting at least the outer surface of the blank body to roughen at least the outer surface layer of the blank body to form the matte layer.
11. A method of manufacturing a rear cover according to claim 10, wherein, when the matte treatment includes spraying a matte paint on at least an outer surface of the blank body to form the matte layer, the matte treatment includes the steps of:
spraying a primer on at least the outer surface of the blank body to form a transition layer;
and spraying a matte paint on the transition layer to form the matte layer, wherein the composition of the primer is different from that of the matte paint.
12. A method of manufacturing a rear shell according to claim 9, wherein at least an outer surface of the blank body is subjected to the matte treatment before the through-hole is machined.
13. A rear case of an electronic apparatus, the electronic apparatus comprising a camera, the rear case comprising:
the rear shell body comprises a rear shell main body and a boss convexly arranged on the outer surface of the rear shell main body, the rear shell body is an integrated injection molding part, the boss is formed with an edge, the thickness direction of the rear shell penetrates through the boss and the through hole of the rear shell main body, and a camera lens of the electronic equipment is suitable for being installed in the through hole.
14. The rear case of an electronic apparatus according to claim 13, wherein the through hole includes a first hole section and a second hole section arranged in an axial direction of the through hole, the first hole section is located on a side of the second hole section adjacent to an outer surface of the rear case, a hole diameter of the first hole section is larger than a hole diameter of the second hole section, portions of an inner wall of the through hole located in the first hole section and the second hole section are formed as a stepped surface, and the camera lens is adapted to be mounted in the first hole section and supported on the stepped surface.
15. The electronic device of claim 13, wherein the rear housing body is light transmissive, and a functional layer is disposed on an inner surface of the rear housing body, the functional layer including at least one of a color layer and a texture layer, and the through hole penetrates through the functional layer.
16. The rear case of an electronic device according to claim 13, wherein the outer surface of the boss is a boss surface, a hardened layer is formed at a set position of the boss surface, the set position of the boss surface includes at least an axially outer end surface of the boss, and the through hole penetrates through the hardened layer.
17. The rear case of an electronic device according to claim 13, wherein at least an outer surface of the rear case main body is formed with a matte layer.
18. A rear cover for an electronic device according to claim 17, wherein the matte layer is a matte paint layer.
19. A rear cover for an electronic device according to claim 18, wherein a transition layer is provided between the matte layer and the rear cover body, the transition layer being a primer layer.
20. The rear case of an electronic device according to claim 17, wherein at least an outer surface of the rear case main body is roughened to form the matte layer.
21. A rear cover for an electronic device according to claim 17, wherein the matte layer has a thickness in the range of 15-25 μm.
22. A backshell assembly for an electronic device, comprising:
a rear housing according to any one of claims 13-21;
the camera lens is arranged in the through hole.
23. The electronic device rear case assembly of claim 22, wherein the through hole includes a first hole section and a second hole section arranged along an axial direction of the through hole, the first hole section is located at a side of the second hole section adjacent to an outer surface of the rear case, a hole diameter of the first hole section is larger than a hole diameter of the second hole section, a portion of an inner wall of the through hole located at the first hole section and the second hole section is formed as a step surface, and the camera lens is disposed in the first hole section and connected to the step surface through an adhesive layer.
24. A rear housing assembly for an electronic device as recited in claim 22, comprising: a mounting member, at least a portion of the mounting member being located within the through-hole, the camera lens being located within the mounting member.
25. An electronic device, comprising:
a rear housing assembly according to any one of claims 22 to 24;
the camera is arranged on the inner side of the rear shell assembly, and the camera lens are arranged oppositely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010336986.5A CN111510604A (en) | 2020-04-26 | 2020-04-26 | Manufacturing method of rear shell, rear shell assembly and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010336986.5A CN111510604A (en) | 2020-04-26 | 2020-04-26 | Manufacturing method of rear shell, rear shell assembly and electronic equipment |
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| CN111510604A true CN111510604A (en) | 2020-08-07 |
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| CN202010336986.5A Pending CN111510604A (en) | 2020-04-26 | 2020-04-26 | Manufacturing method of rear shell, rear shell assembly and electronic equipment |
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Application publication date: 20200807 |