CN113726927B

CN113726927B - Middle frame, terminal equipment and manufacturing method thereof

Info

Publication number: CN113726927B
Application number: CN202110927557.XA
Authority: CN
Inventors: 董绍洪; 张殿坡
Original assignee: Honor Device Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-07-26
Anticipated expiration: 2041-08-11
Also published as: CN113726927A

Abstract

The application provides a middle frame, terminal equipment and a manufacturing method of the middle frame and the terminal equipment, wherein the terminal equipment comprises the middle frame and a light-transmitting lampshade, the middle frame comprises a side frame, the light-transmitting lampshade comprises a positioning part and a light guide part, the positioning part comprises an installation plate, and the installation plate comprises an installation surface and a peripheral side surface; the light guide part is convexly arranged on the mounting surface; the frame wraps the appearance surface, the inner surface and the lamp shade hole which are arranged opposite to the appearance surface, and the lamp shade hole penetrates through the appearance surface and the inner surface; the lampshade hole is a stepped hole and comprises a first part and a second part connected with the first part, the first part penetrates through the inner surface, and the first part comprises a first step surface; the second part penetrates through the appearance surface; the light-transmitting lamp is arranged in the lamp shade hole, the mounting plate is positioned on the first part, the mounting surface is fixedly connected with the first step surface, the peripheral side surface is attached to the hole wall of the first part, and the light guide part is positioned on the second part.

Description

Middle frame, terminal equipment and manufacturing method thereof

Technical Field

The application relates to the technical field of terminal equipment, in particular to a middle frame, terminal equipment and manufacturing methods of the middle frame and the terminal equipment.

Background

At present, some terminal devices such as mobile phones have a remote control function and are used for remotely controlling on and off of electrical appliances such as televisions, illuminating lamps and refrigerators, and the use convenience of living electrical appliances is improved. The remote control function is realized mainly through an infrared control module, and infrared transmission needs to be transmitted out of the mobile phone through a light-transmitting lampshade; so need set up the hole of installation lamp shade on cell-phone casing.

The processing of a lamp shade hole on a terminal shell in a limited space is an urgent problem to be solved.

Disclosure of Invention

The application provides a middle frame, a terminal device and a manufacturing method thereof, which can solve the technical problems of processing a lamp shade hole on a shell of the terminal and saving the shell space.

The terminal equipment in the embodiment of the application comprises a middle frame, a light-transmitting lampshade, a circuit board and a display screen, wherein the display screen is arranged on the middle frame and used for displaying information and operating the terminal equipment. The display screen can also be used for operating the remote control function of the terminal equipment and remotely controlling the terminal equipment with indoor electric appliances such as televisions, illuminating lamps, refrigerators and the like. The circuit board is arranged in the middle frame, the infrared control module is arranged on the circuit board, and the infrared control module is arranged opposite to the lampshade hole of the middle frame. The center includes the frame, and the light lampshade adorns in the lamp shade hole of locating the frame, and infrared control module's infrared light passes through the light lampshade and spreads the terminal equipment outside.

The frame comprises an appearance surface, an inner surface and a lampshade hole, wherein the inner surface and the lampshade hole are arranged opposite to the appearance surface; the appearance surface is a surface which is positioned outside the middle frame and used for displaying and watching the mobile phone; the inner surface is the surface that is located the center inboard and faces the cell-phone inside, and the cell-phone is unable to see when showing and using.

In one embodiment, the lampshade hole is a stepped hole and penetrates through the inner surface and the outer surface of the frame, the lampshade hole comprises a first part and a second part connected with the first part, the first part penetrates through the inner surface, the first part comprises a first stepped surface connected with the second part, the first stepped surface faces away from the outer surface, the second part penetrates through the outer surface, and the cross-sectional area of the second part is smaller than that of the first part. The light-transmitting lampshade is made of transparent materials and comprises a positioning part and a light guide part, and both the positioning part and the light guide part can guide light. The positioning part comprises an installation plate, and the installation plate comprises an installation surface and a peripheral side surface surrounding the installation surface; the light guide portion is provided on the mounting surface and extends in a direction away from the mounting surface. The light-transmitting lamp is arranged in the lamp shade hole, the mounting plate is positioned on the first part, the mounting surface is fixedly connected with the first step surface, the peripheral side surface is attached to the hole wall of the first part, and the light guide part is positioned on the second part; light is incident from one end of the mounting plate back to the light guide part, enters the light guide part after the mirror mounting plate, and the light guide part transmits the light emitted by the mounting plate out of the frame, so that infrared mode control is realized.

The utility model provides a light lampshade's of center lamp shade hole adopts the shoulder hole setting, make the first step face of being connected with the glue film and lie in the coplanar with location body cooperation second step face, the week side of mounting panel and the laminating of the first part pore wall in lamp shade hole, light lampshade's mounting panel matches at the size of perpendicular to Y axle direction with the first part in lamp shade hole promptly, be convenient for process and do not increase lamp shade hole at frame width direction's size, can save center lamp shade width direction's size.

In one embodiment, the positioning part comprises a positioning body, the positioning body is convexly arranged on the installation surface and is positioned on the periphery of the light guide part, and the positioning body is used for supporting the positioning part in the lampshade hole. The second part is a stepped hole and comprises a second step surface positioned on the wall of the second part hole, the second step surface and the first step surface face towards the same direction, and the first step surface and the second step surface are distributed in a stepped manner; the light-transmitting lamp shade is arranged in the lamp shade hole, and the positioning body is positioned in the second part and abuts against the second step surface. The positioning body of the embodiment is used for abutting against the second step surface of the lamp shade hole so as to limit the distance between the mounting surface of the positioning part and the first step surface, and sufficient space is ensured when a glue layer between the mounting surface of the positioning part and the first step surface is formed.

In one embodiment, the positioning body is two symmetrically arranged convex blocks protruding out of the mounting surface, and the second step surface is a convex surface protruding out of the hole wall of the second part; the bumps are symmetrically arranged outside and behind the light guide part, and the specific bumps are connected with the peripheral surface of the light guide column part. The positioning body is arranged as a convex block, so that the volume of the light-transmitting lampshade is reduced.

In another embodiment, the positioning body is an annular protrusion protruding out of the mounting surface, the cross section of the second part is a T-shaped hole, and the second step surface is an annular protrusion protruding on the hole wall of the second part; the positioning body is an annular bulge and is arranged around the periphery of the light guide part, the cross sectional areas of the light guide part, the positioning body and the mounting plate are sequentially increased, the processing is convenient, and the end face of the free end of the positioning body is abutted against the second step face. The positioning body is used for abutting against the second step surface of the lamp shade hole, the positioning body only needs to abut against the second step surface to limit the distance between the mounting surface and the first step surface, and the smaller the area of the positioning body is, the processing time of the second step surface of the lamp shade hole is saved.

In one embodiment, a gap is formed between the mounting surface and the first step surface, and an adhesive layer is arranged in the gap and fixedly connects the mounting surface and the first step surface. In this embodiment, the clearance provides the space for the colloid shaping, avoids light lampshade to spill over in the assembling process, colloid and influences the assembly precision in light lampshade and lamp shade hole. Furthermore, the mounting surface and/or the first step surface are rough surfaces, so that the contact area is increased when the mounting surface and/or the first step surface is bonded with the adhesive layer, and the bonding stability is further enhanced.

In one embodiment, the positioning body comprises a first side surface and a second side surface arranged opposite to the first side surface, the first side surface is attached to the outer peripheral surface of the light guide part in the direction perpendicular to the axial direction of the lampshade hole, a gap is formed between the second side surface and the hole wall of the second part, the adhesive layer is provided with an extension part, and the extension part is positioned in the gap and is connected with the hole wall of the second part and the second side surface. In the embodiment, a gap is formed between the second side surface and the hole wall of the second part, during the assembly process of the light-transmitting lampshade, the colloid between the mounting surface and the first step surface is extruded by the positioning part to flow, the space between the mounting surface and the first step surface is likely to flow to the position of the colloid, the gap is just capable of providing the flowing space, the space is also located in the hole of the second part of the lampshade hole and is not capable of overflowing out of the lampshade hole, the assembly precision is not influenced, and the stability of the lampshade and the lampshade hole is enhanced.

The light guide part is a round main body, a clamping groove is formed in the outer periphery of the light guide part, an elastic sealing ring is arranged in the clamping groove, the light guide part is installed in the second portion of the lampshade hole, the elastic sealing ring is clamped between the clamping groove and the hole wall of the second portion, namely the elastic sealing ring is extruded and used for sealing the space between the light-transmitting lampshade and the lampshade hole, and external impurities and moisture are prevented from entering the inner portion of the outer frame. The elastic sealing ring is made of rubber materials, can protrude out of the clamping groove to expose the peripheral surface of the light guide part, and is respectively extruded and deformed when the light guide part is arranged in the lampshade hole, so that the sealing performance is further enhanced, and the stability of the light guide part in the lampshade hole can be assisted.

The one end that the location portion was kept away from to the leaded light portion is the light-emitting end, and the light-emitting end can expose the frame outward appearance face through the second part in lamp shade hole, also can be located the lamp shade hole, as long as can penetrate the casing with light. The position that the light guide part is connected with the mounting plate can be provided with a light condensation surface layer for condensing the infrared rays passing through the mounting plate into the light guide part. The positioning body and the light guide part of the present embodiment are integrally formed with the mounting plate, and the length of the light guide part is greater than that of the positioning body. The infrared ray is incident to the mounting panel from one side of the mounting panel opposite to the mounting surface and is transmitted out of the appearance surface of the frame through the light-emitting end of the light guide part. Furthermore, the tip that the light guide part is connected with location portion is equipped with the spotlight layer, and the spotlight layer is used for assembling the light that gets into through location portion and jets out through the light guide part again, guarantees the emergence of light.

In one embodiment, the present application provides a method for manufacturing a terminal device, including:

forming a frame base material and a light-transmitting lampshade, wherein the frame base material comprises an inner surface, an appearance base surface arranged oppositely to the inner surface, and a blind hole concavely arranged on the inner surface; in the method, the blind hole is directly formed while the frame substrate is formed, the blind hole is used as a part of the lamp shade hole, reference can be provided for subsequent processing of the lamp shade hole, and in practice, the partial bottom of the blind hole is used as a first step surface, so that the fact that the first step surface is formed already in the forming of the blind hole 1 can be understood, and the processing steps are further simplified.

And referencing the position of the blind hole to position the reference position of the lampshade hole to be processed.

According to the reference position, feeding a tool from the appearance basic surface along the positive direction of the X axis, forming a second reference hole on the frame base material, and penetrating the bottom of the blind hole to enable the blind hole to form a first reference hole with a step surface; the reference position specifically refers to the positions of the first step surface and the second part of the lampshade hole and the cutter feeding position. The cutting feed position refers to an initial position of the cutter when the first step surface and the second part are machined on the appearance basic surface.

The cutter retreats in the X-axis negative direction in the second reference hole, simultaneously, the hole wall part of the second reference hole, which is connected with the step surface, is cut along the Y-axis direction, the first reference hole is formed to be provided with the first step surface, and after the second reference hole forms the second part, the cutter retreats from the second part; in this embodiment, the lateral dimension of the first portion, i.e. the dimension corresponding to the length and width directions of the mounting plate, is comparable to the mounting plate, so that the peripheral side of the mounting plate can be fitted against the hole wall of the first portion 26 when the mounting plate is mounted on the first portion.

The light-transmitting lampshade is arranged in the lampshade hole from the inner surface direction, and the positioning part is fixed with the first step surface of the lampshade hole through the adhesive layer; the mounting plate of the positioning part is positioned on the first part, the peripheral side face of the mounting plate is attached to the surface of the hole wall of the first part, and the light guide part is positioned in the second part. The first part is in interference fit with the mounting plate, or the length and width dimensions of the first part are equal to those of the mounting plate, and when the length and width dimensions of the first part are equal to those of the mounting plate, a machining tolerance is allowed to exist, and the machining tolerance is smaller than 1 mm.

In the manufacturing method of the middle frame in the embodiment, part of the lamp shade hole and the step surface are directly formed when the frame base material is formed, and the first part of the lamp shade hole can be directly formed when the second part of the lamp shade hole is processed, so that the processing time is saved; importantly, the screen installation side or the battery installation side of the middle frame is fed when the lamp shade hole is manufactured in the prior art, then the hole penetrating through the appearance surface of the frame is machined, the tool retracting position needs to be reserved when the tool retracting position is retracted, the lamp hole needs to be enlarged, the hole of the feeding path is not the lamp shade hole but the hole compared with the lamp shade hole, and the sealing performance between the screen or the battery and the middle frame can be influenced by practical significance after machining is completed. According to the manufacturing method, the cutter can be fed into the frame from the appearance surface of the frame, the lamp shade hole is directly formed, the cutter inlet and outlet path is the lamp shade hole, a reserved space for cutter retraction is not required, namely the cross section area of the first part of the lamp shade hole is not required to be enlarged, the processing area and the processing time are reduced, the transverse space of the frame is saved, and the sealing performance of a screen, a battery and a middle frame is not influenced.

In one embodiment, the cutter retracts in the negative direction of the X axis in the second reference hole, and simultaneously, the hole wall part of the second reference hole connected with the step surface is cut along the Y axis direction, meanwhile, the hole wall of the second reference hole forms a second step surface, and the second step surface is used for being abutted against the positioning body of the light-transmitting lampshade. The second step surface is arranged on the second part to abut against the positioning body of the light-transmitting lampshade so as to limit the distance between the light-transmitting lampshade and the first step surface and prevent glue overflow when glue layers between the positioning body and the first step surface are respectively extruded from influencing assembly precision.

In one embodiment, the step of fixedly connecting the positioning portion and the lampshade hole through a colloid includes:

dispensing the first step surface to form a pre-cured adhesive layer; specifically, the molten filled colloid liquid is semi-solidified in the air or in a half-price day, so that the colloid is prevented from flowing on the first step surface when the transparent lampshade is assembled, and the viscosity of the colloid cannot be lost.

The lampshade is pushed into the lampshade hole from the inner surface direction, the mounting surface of the mounting plate extrudes the pre-cured adhesive layer until the positioning body of the lampshade abuts against the second step surface, a certain gap is formed between the mounting surface and the first step surface, and the pre-cured adhesive layer is positioned in the gap.

And carrying out pressure maintaining solidification on the light-transmitting lamp shade and the precured adhesive layer to form an adhesive layer and bonding and fixing the mounting surface of the mounting plate and the first step surface of the lamp shade hole. The positioning body is abutted against the second step surface to enable a certain gap to be formed between the mounting surface and the first step surface, namely the positioning body and the second step surface are matched to limit the displacement of the mounting surface for extruding the pre-curing adhesive layer to move towards the second step surface, the phenomenon that the adhesive overflows due to excessive extrusion of the pre-curing adhesive layer, the assembly precision is influenced, and the structure in the lamp shade hole is fully utilized.

In one embodiment, the area of the second step surface is smaller than that of the first step surface, so long as the positioning body can be abutted against the second step surface to enable a certain space to be reserved between the mounting surface and the first step surface, and the processing time is saved.

In one embodiment, the step of referencing the blind hole position to locate the reference position of the lampshade hole to be processed comprises the following steps:

the position of the blind hole is detected through the probe, the positions of the first part and the second part of the lampshade hole are determined by taking the blind hole as a reference, and the T-shaped cutting feed position is determined. Form the second part in lampshade hole from outward appearance face cutting feed processing frame substrate to and further processing blind hole forms first part, through probe detection location, be convenient for process and guarantee the machining precision.

In one embodiment, the step of forming the frame substrate includes:

form the first panel of frame, the first panel of frame includes medial surface and lateral surface: the first plate of the frame is made of metal material.

And carrying out in-mold injection molding on the first plate of the frame to form a frame plastic part on the inner side surface, forming a blind hole on the frame plastic part, and enabling the inner surface to be located on the frame plastic part. In the method, part of the lampshade hole and the step surface serving as the basis of the first step surface are directly formed during in-mold forming, so that the feed machining path is simplified, and the lampshade hole can be machined outside the frame. And the first panel of frame is sheet metal, is carrying out injection moulding, guarantees frame thickness and can reduce frame weight simultaneously. The machining mode of this embodiment adopts CNC precision finishing. In this step, the inner side surface is first subjected to a white surface roughing process to make the inner side surface and the plastic part combined more firmly.

In one embodiment, the step of performing in-mold injection molding on the first plate of the frame further includes:

forming a middle plate base material connected with the frame plastic part while forming the frame plastic part on the inner side surface, wherein the frame base material and the middle plate base material form a middle frame base material; the middle plate substrate can be a plastic part, or the combination of the plastic part and a metal part, and is mainly used for bearing an electronic device of terminal equipment.

And processing the middle frame base material to form a screen mounting position and a battery mounting position arranged opposite to the screen mounting position. In fact, the plastic parts of the plate frame and the middle plate are directly combined during injection molding in the mold, and the processing technology of the shell can be simplified when specific structures are processed.

An intermediate frame, characterized in that the intermediate frame is manufactured by the manufacturing method of any one of claims 9 to 15;

the middle frame comprises a frame, the frame comprises an appearance surface, an inner surface and a lamp shade hole, the inner surface and the lamp shade hole are arranged opposite to the appearance surface, and the lamp shade hole penetrates through the appearance surface and the inner surface;

the lamp shade hole is a stepped hole and comprises a first part and a second part connected with the first part, the first part penetrates through the inner surface, the first part comprises a first step surface connected with the second part, and the first step surface faces away from the appearance surface; the second portion penetrates through the appearance surface. The center of center still is used for bearing display screen and battery, and screen and battery are located the relative both sides position of center, and the medium plate of center or frame do not set up the processing route hole that is used for processing the lampshade hole in the thickness direction, have avoided producing the hole between center and display screen and battery, have guaranteed sealing performance.

The utility model provides a terminal equipment's light lampshade's lamp shade hole adopts the shoulder hole setting, and light lampshade's mounting panel matches at terminal equipment thickness direction's size with the first portion in lamp shade hole, can save the size of center at width direction, and then saves terminal equipment overall dimension.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the background art of the present application, the drawings required to be used in the embodiments or the background art of the present application will be described below.

Fig. 1 is a schematic structural diagram of a terminal device according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of another angle of a terminal device provided in an embodiment of the present application;

fig. 3 is a schematic view of an assembly structure of the middle frame and the transparent lampshade of the terminal device shown in fig. 2;

FIG. 4 is a partial schematic view of an exploded structure of the bezel and the light cover shown in FIG. 3;

FIG. 5 is a partial structural view of the middle frame shown in FIG. 4;

FIG. 6 is a side view of the inner structure of the middle frame shown in FIG. 4;

FIG. 7 is a schematic structural view of the light-transmitting lamp cover shown in FIG. 4;

FIG. 8 is a schematic cross-sectional view of an embodiment of the terminal device shown in FIG. 3;

FIG. 9 is a schematic cross-sectional view of another embodiment of the terminal device shown in FIG. 3;

fig. 10 is a flowchart of a method of manufacturing a terminal device of the present application;

fig. 11, 12 and 13 are schematic partial structural diagrams of a frame and a cutter in the process of the method for manufacturing the terminal device according to the present application.

Detailed Description

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a terminal device 200 according to an embodiment of the present application; fig. 2 is a schematic structural diagram of another angle of the terminal device 200 according to the embodiment of the present application. The terminal device 200 may be an electronic product with a remote control function, such as a mobile phone and a tablet computer. The embodiment of the present application takes a mobile phone of the terminal device 200 as an example for description.

The terminal device 200 includes a center frame 100, a transparent cover 30, and a display screen 210, and the display screen 210 is used for operating and displaying information such as pictures or characters. The display screen 210, the circuit board and the battery are carried by the middle frame 100, and the display screen 210 and the battery are located at two opposite sides of the middle frame. The display screen 210 can also be used to operate the remote control function of the terminal device 200 to remotely control it with an electric appliance such as a television, an illumination lamp, a refrigerator, etc. in a room. The transparent cover 30 is attached to the center frame 100, and a signal light (infrared light) having a remote control function located inside the center frame 100 is emitted outside the terminal device 200 through the transparent cover 30.

Referring to fig. 3, fig. 3 is a schematic view of an assembly structure of the middle frame and the transparent lampshade of the terminal device shown in fig. 2; in the embodiment of the present application, the middle frame 100 includes a middle plate 15 and a side frame 20, the side frame 20 is disposed around the periphery of the middle plate 15, and the translucent lampshade 30 is mounted in a lampshade hole (shown as a label) of the side frame 20. Specifically, the circuit board of the terminal device 200 is mounted on the middle plate 15 of the middle frame 100, the circuit board is provided with an infrared control module, the infrared control module and the lamp shade hole are arranged oppositely, and the infrared light of the infrared control module is transmitted out of the terminal device 200 through the light-transmitting lamp shade 30, so that the remote control function is realized.

Referring to fig. 4, 5 and 6, fig. 4 is a partial exploded view of the middle frame and the transparent lampshade shown in fig. 3; FIG. 5 is a structural view of the middle frame portion shown in FIG. 4; fig. 6 is a side view showing the inner structure of the middle frame shown in fig. 4.

The bezel 20 includes an outer surface 23, an inner surface 24 disposed opposite to the outer surface 23, and a cover hole 25, and the cover hole 25 penetrates the outer surface 23 and the inner surface 24. Specifically, the frame 20 is a rectangular frame, and includes two opposite side frames 22 and two opposite top frames 21a and bottom frames 21b, and the top frame 21a and the bottom frame 21b are connected to the two side frames 22 respectively. The external surface 23 is formed by the top frame 21a, the bottom frame 21b and the side frame 22. The appearance surface 23 is a surface located outside the middle frame for displaying and viewing the mobile phone. The inner surface 24 is formed by the top frame 21a, the bottom frame 21b and the side frame 22. The inner surface 24 is a surface facing the inside of the middle frame 100, such as a circuit board battery of a mobile phone, and the mobile phone cannot be seen when being displayed or used. In this embodiment, the frame 20 is formed by injection molding a metal component and a plastic component, that is, the metal component and the plastic component are connected in the thickness direction of the frame 20. The design surface 23 is the outer surface of the metal piece. The plastic part and the middle plate are integrally formed.

The cover hole 25 is provided in the top frame 21a and accommodates the translucent cover 30. The cover hole 25 is a stepped hole including a first portion 26 and a second portion 27 connected to the first portion 26; first portion 26 extends through inner surface 24, first portion 26 includes an aperture wall 260 and a first step surface 261, first step surface 261 is connected to second portion 27, and first step surface 261 faces away from facing surface 23. The second portion 27 penetrates the appearance surface 23, the second portion 27 is a stepped hole, the second portion 27 includes a hole wall 271 and a second stepped surface 272 provided on the hole wall 271, and the second stepped surface 272 and the first stepped surface 261 face the same direction. The axial direction of the lamp shade hole 25 is the X-axis direction, and the axial direction perpendicular to the lamp shade hole 25 is the Y-axis direction.

Specifically, the first portion 26 and the second portion 27 are T-shaped stepped holes, the cross-sectional area of the first portion 26 in the Y-axis direction is larger than that of the second portion 27, and the area of the second step surface 272 is smaller than that of the first step surface 261. In this embodiment, the first portion 26 is a square hole structure recessed in the inner surface 24, and the first step surface is located at a position where the first portion 26 is connected to the second portion 27 and surrounds the second portion 27. The second portion 27 may be understood as a T-shaped stepped cylindrical hole, and the diameter of the portion between the second step surface 272 and the first step surface 261 is larger than the diameter of the portion between the second step surface 272 and the opening of the second portion 27 at the appearance surface 23.

Referring to fig. 7, fig. 7 is a schematic structural view of a light-transmitting cover of the terminal device shown in fig. 4; the translucent lampshade 30 includes a positioning portion 31 and a light guide portion 35, the positioning portion 31 includes an attachment plate 32 and a positioning body 33, the attachment plate 32 includes an attachment surface 321 and a peripheral side surface 323 surrounding the attachment surface 321, and the peripheral side surface 323 is a surface on the peripheral side of the attachment plate 32. The light guide portion 35 is provided on the mounting surface 321 and extends in a direction away from the mounting surface 321, and the positioning body 33 is provided on the mounting surface 321 in a protruding manner and is positioned on the outer periphery of the light guide portion 35. The mounting plate 32 is received in the first portion 26 of the cover hole 25, and the positioning body 33 is configured to abut against the second step surface 272. The light guide portion 35 is housed in the second portion 27, and transmits light incident through the mounting board 32 to the outside of the bezel.

Specifically, the light-transmitting lamp shade 30 is made of a transparent light-transmitting material or a light-guiding material, which are integrally formed. The mounting plate 32 has a rectangular plate shape, the mounting surface 321 is a surface of the mounting plate 32, and the peripheral side surface 323 is a side surface of the mounting plate 32, which is connected to the mounting surface 321 at an angle and surrounds the mounting surface 321. The mounting plate 32 further includes a light incident surface 320, the light incident surface 320 and the mounting surface 321 are disposed in a back direction, and the light enters the mounting plate 32 through the light incident surface 320 and is guided out of the frame through the light guide portion 35. In other embodiments, the mounting plate 32 may be a circular plate that is shaped to match the cross-sectional profile of the housing aperture in which the globe 30 is mounted.

Referring to fig. 5 and 7 again, in the present embodiment, the positioning body 33 is two symmetrically disposed protrusions protruding from the mounting surface 321, and the second step surface 272 is a protruding surface protruding from the hole wall of the second portion 27. The end surface 331 of the free end of the protrusion abuts against the second step surface 272. The positioning body 33 of the present embodiment is configured to abut against the second step surface 272 of the lampshade hole 25, so as to limit the distance between the mounting surface 321 of the positioning portion 31 and the first step surface 261, and ensure that a sufficient space is provided for the formation of the adhesive layer when the mounting surface 321 of the positioning portion 31 is connected to the first step surface 261 by the adhesive layer.

In one embodiment, the positioning body 33 is an annular protrusion protruding from the mounting surface 321, the cross section of the second portion 27 is a "T" shaped hole, and the second step surface is an annular protrusion protruding from a hole wall of the second portion; the end surface 331 of the free end of the protrusion abuts against the second step surface 272.

As shown in fig. 7, the light guide portion 35 in this embodiment is a cylinder, one end of which is fixedly connected to the mounting surface 321, and the other end of which extends away from the mounting plate 32. The end of the light guide part 35 away from the mounting plate 32 of the positioning part 31 is a light exit end 351, and the light exit end 351 may be exposed from the outer surface 23 of the bezel 20 through the cover hole 25, or may be located in the cover hole 25 as long as light can be emitted from the bezel. A light-condensing surface layer may be disposed at a position where the light guide part 35 is connected to the mounting board 32, and is used for condensing infrared rays passing through the mounting board 32 into the light guide part 35. The surface of the light-emitting end 351 can be provided with a protective layer to prevent the surface from being scratched in the using process to influence the appearance and the light guide effect. In one embodiment, the end part of the light guide part connected with the positioning part is provided with a light-gathering layer, and the light-gathering layer is used for gathering light entering through the positioning part and then ejecting the light through the light guide part, so that the light is ensured to be emitted.

Referring to fig. 8, fig. 8 is a schematic cross-sectional view of an embodiment of the terminal device shown in fig. 3; the transparent lampshade 30 is arranged in the lampshade hole 25, the mounting plate 32 is positioned in the first part 26, the mounting surface 321 is fixedly connected with the first step surface 261, the peripheral side surface 323 is attached to the hole wall 261 of the first part 26, the positioning body 33 is abutted against the second step surface 272 in the second part 27, and the light guide part 35 is positioned in the second part 27. The translucent lamp cover 30 is fixed to the bezel 20 by the mounting surface 321 of the mounting plate 32 being fixed to the first stepped surface 261 of the lamp cover hole 25. In this embodiment, the mounting surface 321 of the mounting plate 32 is fixedly connected to the first step surface 261 of the lamp cover hole 25 through the adhesive layer 40.

Referring to fig. 8, in an embodiment, a gap (not shown) is formed between the mounting surface 321 and the first step surface 261, a glue layer 40 is disposed in the gap, and the glue layer 40 fixedly connects the mounting surface 321 and the first step surface 261. In this embodiment, the clearance provides the space for the colloid shaping, avoids light lampshade 30 to spill over in the equipment process, the colloid and influence the assembly precision in light lampshade 30 and lamp shade hole. Further, the mounting surface 321 is a rough surface, which increases a contact area when bonding with the adhesive layer 40, thereby enhancing bonding stability.

Referring to fig. 9, fig. 9 is a schematic cross-sectional view of another embodiment of the terminal device shown in fig. 3; in one embodiment, the positioning body 33 includes a first side surface 331 and a second side surface 332 disposed opposite to the first side surface 331, in a direction perpendicular to the axial direction of the lampshade hole 25, i.e., in the Y-axis direction, the first side surface 331 is attached to the outer peripheral surface 351 of the light guide portion 35, a gap (not shown) is provided between the second side surface 332 and the hole wall 271 of the second portion 27, the adhesive layer 40 is provided with an extension portion 41, and the extension portion 41 is located in the gap and connects the hole wall of the second portion 27 and the second side surface 332. In this embodiment, a gap is formed between the second side surface 332 and the wall of the second portion 27, during the assembly of the light-transmitting lampshade 30, the adhesive between the mounting surface 321 and the first step surface 261 may flow under the pressure of the positioning portion 31, and in addition to the space between the mounting surface 321 and the first step surface 261, the space may also flow to the position, and the existence of the gap can just provide the flowing space, and the space is also located in the second portion 27 of the lampshade hole 25, and will not overflow the lampshade hole 25, which will not affect the assembly precision, and enhance the stability of the lampshade and the lampshade hole 25.

Referring to fig. 7, in one embodiment, a locking groove 354 is formed on an outer periphery of the light guide portion 35, an elastic sealing ring 355 is disposed in the locking groove 354, the light guide portion 35 is disposed in the second portion 27 of the cover hole 25, and the elastic sealing ring 355 is pressed between the locking groove 354 and a hole wall 271 of the second portion 27 to seal between the transparent cover 30 and the cover hole 25 and prevent external impurities and moisture from entering the inside of the outer frame.

The utility model provides a lamp shade hole 25 of terminal equipment's light lampshade 30 adopts the shoulder hole setting, makes the first step face 261 of being connected with glue film 40 and lie in different planes with the cooperation second step face 272 of location body 33, just week side 322 with the pore wall laminating of first portion 26, the mounting panel 32 of light lampshade 30 is equivalent with the size of the first portion in X axle direction in lamp shade hole 25, does not increase the size of lamp shade hole 25X axle direction on the frame, can save terminal equipment in width direction's size.

Referring to fig. 10, fig. 11, fig. 12 and fig. 13 together, fig. 10 is a flowchart of a method for manufacturing a terminal device according to the present application; fig. 11, 12 and 13 are schematic partial structural diagrams of the frame and the cutter in the manufacturing method of the terminal device of the present application. The method for manufacturing the terminal device according to the embodiment of the present application may be used to manufacture the terminal device according to the embodiment, and the method specifically includes:

step S1, forming the frame substrate 50 and the transparent lampshade 30, where the frame substrate 50 includes an inner surface 24, an appearance basic surface 23a disposed opposite to the inner surface 24, and a blind hole 51 recessed in the inner surface 24. In the method, the blind hole 51 is directly formed while the frame substrate 50 is formed, the blind hole 51 is used as a part of the lamp shade hole, which can provide reference for subsequent processing of the lamp shade hole, and in practice, the bottom of the part of the blind hole 51 is used as a first step surface, which can be understood that the first step surface is actually formed when the blind hole 51 is formed; therefore, the processing steps are simplified, the processing technology is simplified, and the processing precision is improved. The inner surface 24 is a surface facing the inside of the middle frame 100, such as a circuit board battery of a mobile phone, and the mobile phone cannot be seen when being displayed or used. The appearance base surface 23a is located outside the frame, is a surface to be processed, and is used as a display surface of the mobile phone.

Step S2, referring to the position of the blind hole 51 to position the reference position of the lampshade hole 25 to be processed; the reference position is specifically the position of the first step surface 261 and the second portion 27 (see fig. 13) of the cap hole 25, and the tool cutting position. The cutting feed position is an initial position at which the tool starts cutting when the first step surface 261 and the second portion 27 are machined on the design base surface 23 a.

In one embodiment, the step of referencing the position of the blind hole 51 to locate the reference position of the lampshade hole 25 to be processed comprises:

the position of the blind hole 51 is detected by a probe, the positions of the first part 26 and the second part 27 of the lamp housing hole 25 are determined based on the blind hole, and the cutting feed position of the tool a is determined, as shown in fig. 11 and 13. Feeding from the appearance basic surface 23a, processing the frame substrate according to a pre-designed feed path to form a second part 27 of the lamp shade hole 25, further processing the blind hole 51, penetrating the bottom of the blind hole 51 to form a first part 26, detecting and positioning through a probe, facilitating processing and ensuring the processing precision.

In step S3, the tool a is fed from the design base surface 23a in the positive X-axis direction based on the reference position, and the second reference hole 53 is formed in the frame base material 50 while the bottom of the blind hole 51 is penetrated so that the first reference hole 52 having the step surface 511 is formed in the blind hole 51. As shown in fig. 12, wherein the first reference hole 52 communicates with the second reference hole 53, and the step surface 511 is located at the connecting position. In this embodiment, the cutter a is a T-shaped cutter, and in other embodiments, the cutter may be a circular cutter.

Referring to fig. 12 and 13, in step S4, while the tool a retracts in the negative X-axis direction in the second reference hole 53, the hole wall portion of the second reference hole 53, which is connected to the step surface 511, is cut along the Y-axis direction, so that the first reference hole 52 forms the first portion 26 having the first step surface, that is, the step surface 511 forms the first step surface 261; after forming the second datum hole into the second portion, the tool is withdrawn from the second portion. Wherein the first reference hole 52 is formed with the first portion 26 having the first step face while the second step face 272 is formed on the hole wall of the second reference hole 53, after which the tool a is withdrawn from the second reference hole 53. Wherein the first reference hole 52 forms the first portion 26 of the lamp cover hole and includes a first step surface 261, and the second reference hole 53 forms the second portion 27 of the lamp cover hole and includes a second step surface 272.

In this embodiment, the lateral dimension of the first portion 26, i.e., the dimension corresponding to the length and width directions of the mounting plate 32, is comparable to the mounting plate, so that the peripheral side 323 of the mounting plate 32 can be brought into abutment with the aperture wall 260 of the first portion 26 when the mounting plate 32 is mounted on the first portion 26. Wherein the first portion 26 is in interference fit with the mounting plate, or the length and width dimensions of the first portion 26 are equal to the length and width dimensions of the mounting plate 32, allowing for a machining tolerance of less than 1 mm. According to the method, the tool withdrawal avoiding position does not need to be transversely formed in the lampshade hole when the lampshade hole is machined, the space of an excessive middle frame does not need to be occupied, and the machining working hours are saved.

It should be noted that, when the T-shaped knife penetrates through the bottom of the blind hole 51 in step S3, the operation of step S4 is performed, and then the T-shaped knife directly exits from the second portion 27 of the lampshade hole, which is understood that the area of the step surface 511 is reduced along the Y axis during the knife retracting process, and the partial diameter of the second portion 27 of the lampshade hole is enlarged to form a second step surface. The reciprocating motion of feeding after retracting is not needed, the processing difficulty is reduced, and the processing time is saved.

Step S5, fitting the lamp cover into the lamp cover hole 25 from the inner surface direction, and fixing the positioning portion 31 and the first step surface 261 of the lamp cover hole 25 by the adhesive layer 40; wherein the mounting plate 32 of the positioning portion 31 is located at the first portion, a peripheral side surface of the mounting plate 32 is attached to a hole wall surface of the first portion, and the light guide portion 35 is located in the second portion 27.

In one embodiment, the step of installing the lamp cover into the lamp cover hole 25 from the inner surface direction, attaching the peripheral side surface of the mounting plate 32 of the positioning portion 31 to the hole wall surface of the first portion, and fixedly connecting the positioning portion 31 and the lamp cover hole 25 by using a glue body specifically includes:

dispensing is performed on the first step surface 261 to form the pre-cured adhesive layer 40.

The lampshade is pushed into the lampshade hole 25 from the inner surface direction, so that the mounting surface 321 of the mounting plate 32 presses the pre-cured adhesive layer 40 until the positioning body 33 of the lampshade abuts against the second step surface 272, a certain gap is formed between the mounting surface 321 and the first step surface 261, and the pre-cured adhesive layer 40 is located in the gap.

And (3) maintaining the pressure and curing the light-transmitting lamp shade 30 and the pre-curing adhesive layer 40 to form the adhesive layer 40 and bonding and fixing the mounting surface 321 of the mounting plate 32 and the first step surface 261 of the lamp shade hole 25.

The positioning body 33 abuts against the second step surface 272 to enable a certain gap to be formed between the mounting surface 321 and the first step surface 261, namely the positioning body 33 and the second step surface 272 are matched to limit the displacement of the mounting surface 321 extruding the pre-cured adhesive layer 40 to move towards the second step surface 272, a certain adhesive accommodating space is ensured, the phenomenon that the adhesive overflows due to excessive extrusion of the pre-cured adhesive layer 40, the assembling precision is influenced is avoided, and the structure inside the lampshade hole 25 is fully utilized.

In an embodiment, the area of the second step surface 272 is smaller than that of the first step surface 261, as long as the positioning body 33 can abut against the second step surface 272 to form a certain distance between the mounting surface 321 and the first step surface 261, which saves processing time.

In the manufacturing method of the terminal device described in this embodiment, a part of the lamp cover hole 25 and the step surface are directly formed when the frame base material is formed, and the first part of the lamp cover hole 25 can be directly formed when the second part 27 of the lamp cover hole 25 is processed, so that the processing time is saved; importantly, in the prior art, the cutter is fed from the screen mounting side or the battery mounting side of the terminal equipment during the manufacture of the lamp shade hole, then the hole penetrating through the appearance surface of the frame is processed, the cutter withdrawing position needs to be reserved during cutter withdrawing, the lamp hole needs to be enlarged, and the hole of the cutter feeding path is not the lamp shade hole, so that the sealing performance between the screen or the battery and the middle frame can be influenced. According to the manufacturing method, the cutter can be fed into the frame from the appearance surface of the frame, the lamp cover hole is directly formed, the cutter inlet and outlet path is the lamp cover hole, the transverse (Y-axis) space does not need to be reserved for cutter retraction, namely the cross section area of the first part of the lamp cover hole does not need to be enlarged, the processing area and the processing time are reduced, the transverse space of the frame is saved, and the sealing performance of a screen, a battery and a middle frame is not influenced. The mounting plate area of the corresponding light-transmitting lamp shade 30 is correspondingly reduced.

In one embodiment, the step S1 of forming the frame substrate specifically includes:

form the first panel 50a of frame, the first panel 50a of frame includes medial surface and lateral surface: the first plate 50a is made of metal and is a rectangular frame.

The first frame plate 50a is subjected to in-mold injection molding to form a frame plastic part 50b on the inner side surface, a blind hole 51 is formed in the frame plastic part 50b, and the inner surface of the blind hole is located on the frame plastic part. The frame plastic member 50b and the frame first plate 50a constitute a frame substrate 50. In the method, part of the lamp shade hole and the step surface serving as the basis of the first step surface are directly formed during in-mold forming, so that the feed machining path is simplified, and the lamp shade hole can be machined outside the frame. And the first panel of frame is sheet metal, is carrying out injection moulding, guarantees frame thickness and can reduce frame weight simultaneously. The machining mode of this embodiment adopts CNC precision finishing.

Wherein, carry out the step of mould internal injection moulding with the first panel of frame and include:

the middle plate base material connected with the frame plastic part is formed while the frame plastic part is formed on the inner side surface, and the frame base material and the middle plate base material form a middle frame base material.

And processing the middle frame base material to form a screen mounting position and a battery mounting position back to the screen mounting position. In fact, the plastic parts of the plate frame and the middle plate are directly combined during injection molding in the mold, and the processing technology of the shell can be simplified when specific structures are processed.

It should be noted that, in the process of forming the frame is actually included in the process of forming the middle frame, the step of forming the middle frame actually includes, in the first step, forming the first plate material of the frame, which may include a metal part of a part of the plate.

Step two, performing injection molding in a mold to form a middle plate base material with a middle plate base material and a frame base material; wherein, the method comprises the step of roughening the surface of the metal material so as to be combined with the plastic piece.

And thirdly, forming the screen mounting position, the inner cavity structure of the middle frame and the processing of the shape of the middle frame by a CNC processing technology.

And fourthly, grinding, polishing and the like are carried out on the appearance of the frame to form a rough appearance surface.

And fifthly, positioning and processing all hole structures on the middle frame by CNC (computer numerical control) processing and probe detection work, wherein the positioning and processing of the lamp shade holes in the steps are included.

And sixthly, performing appearance treatment, namely performing finish machining on the surface of the whole middle frame exposed outside to form a final appearance surface.

And step seven, mounting the transparent lamp cover in the lamp cover hole.

The center of this embodiment is used for bearing display screen and battery, and screen and battery are located the relative both sides position of center, and the medium plate of center or frame do not set up the machining path hole that is used for processing the lampshade hole in the thickness direction, have avoided producing the hole between center and display screen and battery, have guaranteed terminal equipment's sealing performance.

The above are only some examples and embodiments of the present application, and the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The terminal equipment is characterized by comprising a middle frame and a light-transmitting lamp shade, wherein the middle frame comprises a frame,

the light-transmitting lampshade comprises a positioning part and a light guide part, the positioning part comprises an installation plate and a positioning body, and the installation plate comprises an installation surface and a peripheral side surface surrounding the installation surface; the light guide part is arranged on the mounting surface and extends towards the direction far away from the mounting surface; the positioning body is convexly arranged on the mounting surface and positioned on the periphery of the light guide part;

the frame comprises an appearance surface, an inner surface and a lamp shade hole, wherein the inner surface is arranged opposite to the appearance surface, and the lamp shade hole penetrates through the appearance surface and the inner surface;

the lamp shade hole is a stepped hole and comprises a first part and a second part connected with the first part, the first part penetrates through the inner surface, the first part comprises a first step surface connected with the second part, and the first step surface faces away from the appearance surface; the second part penetrates through the appearance surface; the second part is a stepped hole and comprises a second step surface positioned on the hole wall of the second part, and the second step surface and the first step surface face in the same direction;

the light-transmitting lamp is arranged in the lamp shade hole, the mounting plate is positioned on the first part, the mounting surface is fixedly connected with the first step surface, the peripheral side surface is attached to the hole wall of the first part, the light guide part is positioned on the second part, and the positioning body is positioned in the second part and abuts against the second step surface.

2. The terminal device according to claim 1, wherein the positioning body is two symmetrically arranged convex blocks protruding from the mounting surface, and the second step surface is a convex surface protruding from a hole wall of the second portion;

or the positioning body is an annular bulge protruding out of the mounting surface, the cross section of the second part is a T-shaped hole, and the second step surface is an annular bulge protruding on the hole wall of the second part;

the end surface of the free end of the protrusion is abutted against the second step surface.

3. The terminal device according to claim 1 or 2, wherein a gap is formed between the mounting surface and the first step surface, a glue layer is arranged in the gap, and the glue layer fixedly connects the mounting surface and the first step surface.

4. The terminal device according to claim 3, wherein the mounting surface and/or the first step surface is a rough surface.

5. The terminal device according to claim 3, wherein the positioning body includes a first side surface and a second side surface opposite to the first side surface, the first side surface is attached to the outer circumferential surface of the light guide portion in a direction perpendicular to the axial direction of the lamp cover hole, a gap is formed between the second side surface and the hole wall of the second portion, and the adhesive layer is provided with an extension portion, the extension portion is located in the gap and connects the hole wall of the first portion and the second side surface.

6. The terminal device according to claim 1, wherein the light guide portion comprises a groove, the groove is disposed around a periphery of the light guide portion, an elastic sealing ring is disposed in the groove, the light guide portion is disposed in the second portion, and the elastic sealing ring is clamped between the groove and a wall of the hole of the second portion.

7. The terminal device according to claim 1, wherein a light-condensing layer is disposed at an end of the light-guiding portion connected to the positioning portion, and the light-condensing layer is configured to condense light entering through the positioning portion and then emit the light through the light-guiding portion.

8. A method for manufacturing a terminal device, the method comprising:

forming a frame base material and a light-transmitting lampshade, wherein the frame base material comprises an inner surface, an appearance base surface arranged opposite to the inner surface, and a blind hole concavely formed in the inner surface;

the reference position of the lampshade hole to be processed is positioned by referring to the position of the blind hole;

according to the reference position, feeding a cutter from the appearance basic surface along the positive direction of the X axis, forming a second reference hole in the frame base material, and penetrating the bottom of the blind hole to enable the blind hole to form a first reference hole with a step surface;

the cutter retreats in the X-axis negative direction in the second reference hole, simultaneously cuts a hole wall part of the second reference hole connected with the step surface along the Y-axis direction, so that the first reference hole forms a first part with a first step surface, and after the second reference hole forms a second part, the cutter retreats from the second part, so that the first reference hole and the second reference hole form a lampshade hole;

the light-transmitting lampshade is arranged in the lampshade hole from the inner surface direction, and the positioning part of the light-transmitting lampshade is fixed with the first step surface of the lampshade hole through the adhesive layer; the mounting plate of the positioning part is positioned on the first part, the peripheral side face of the mounting plate is attached to the surface of the hole wall of the first part, and the light guide part of the light-transmitting lampshade is positioned in the second part.

9. The method according to claim 8, wherein the tool retracts in the negative X-axis direction in the second reference hole, and cuts a hole wall portion of the second reference hole connected to the step surface along the Y-axis direction, so that the hole wall of the second reference hole forms a second step surface, and the second step surface is configured to abut against a positioning body of the transparent lamp cover.

10. The method for manufacturing a terminal device according to claim 9, wherein the step of fitting the cover into the cover hole from the inner surface direction and fixing the positioning portion and the first step surface of the cover hole by an adhesive layer further comprises: dispensing the first step surface to form a pre-cured adhesive layer;

pushing the light-transmitting lampshade into the lampshade hole from the inner surface direction to enable the mounting surface of the mounting plate to extrude the pre-curing adhesive layer until the positioning body of the light-transmitting lampshade abuts against the second step surface, a certain gap is kept between the mounting surface and the first step surface, and the pre-curing adhesive layer is positioned in the gap;

and carrying out pressure maintaining solidification on the light-transmitting lamp cover and the precured adhesive layer to form an adhesive layer, wherein the adhesive layer is used for bonding and fixing the mounting surface of the mounting plate and the first step surface of the lamp cover hole.

11. The method for manufacturing a terminal device according to claim 9, wherein an area of the second step face is smaller than an area of the first step face.

12. The method for manufacturing a terminal device according to claim 9, wherein the step of referencing the blind hole position to locate a reference position of the lampshade hole to be processed comprises:

and detecting the position of the blind hole through a probe, determining the positions of the first part and the second part of the lampshade hole by taking the blind hole as a reference, and determining the T-shaped cutting feed position.

13. The method for manufacturing a terminal device according to claim 9, wherein the step of forming the frame substrate includes:

form the first panel of frame, the first panel of frame includes medial surface and lateral surface:

and carrying out in-mold injection molding on the first plate of the frame to form a frame plastic part on the inner side surface, forming the blind hole on the frame plastic part, and positioning the inner surface on the frame plastic part.

14. The method for manufacturing a terminal device according to claim 13,

the step of carrying out the injection moulding in mould to the first panel of frame still includes:

forming a middle plate base material connected with the frame plastic part while forming the frame plastic part on the inner side surface, wherein the frame base material and the middle plate base material form a middle frame base material;

and processing the middle frame base material to form a screen mounting position and a battery mounting position arranged back to the screen mounting position.

15. An intermediate frame, characterized in that the intermediate frame is manufactured by the manufacturing method of any one of claims 8 to 14;

the lamp shade hole is a stepped hole and comprises a first part and a second part connected with the first part, the first part penetrates through the inner surface, the first part comprises a first step surface connected with the second part, and the first step surface faces away from the appearance surface; the second portion penetrates through the appearance surface.