CN217116130U - Mobile phone shell - Google Patents
Mobile phone shell Download PDFInfo
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- CN217116130U CN217116130U CN202123412165.4U CN202123412165U CN217116130U CN 217116130 U CN217116130 U CN 217116130U CN 202123412165 U CN202123412165 U CN 202123412165U CN 217116130 U CN217116130 U CN 217116130U
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Abstract
The utility model relates to a mobile phone shell, which comprises a middle plate and a frame assembled on the periphery of the middle plate, wherein the combined surface of the middle plate and the frame is connected through a multi-stage connecting structure; the multi-stage connecting structure comprises a guide structure, a positioning structure and a welding structure which are dispersedly arranged on the periphery of the mobile phone shell; the guide structure comprises a guide groove arranged on the middle plate component and a guide protrusion arranged on the frame component and matched with the guide groove, and the positioning structure comprises a first positioning groove arranged on the middle plate component and a second positioning groove arranged on the frame component and clamped with the first positioning groove. Cell-phone casing have installation stability, low manufacturing cost, high yields and realized fast assembly.
Description
Technical Field
The utility model relates to a cell-phone spare part technical field especially relates to a cell-phone casing.
Background
With the development of science and technology, the mobile phone manufacturing process is rapidly developed in the industry, and the rapid manufacturing of styles similar to the appearance of hot-market mobile phones is no longer a technical problem, so that the product structure is different from the manufacturing process, the price ratios of mobile phone products similar in appearance and performance are combined to be an important profit point, and the mobile phone manufacturing cost competition enters the stage of white-fever. In view of this, it is a difficult problem to control the mobile phone case to have stability while having low production cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, provide a cell-phone casing that has installation stability, low manufacturing cost, high yields and realize fast assembly.
In order to solve the technical problem, the utility model discloses a technical scheme, as follows:
a mobile phone shell comprises a middle plate and a frame assembled on the periphery of the middle plate, wherein the combination surface of the middle plate and the frame is connected through a multi-stage connection structure; the multistage connection structure comprises a guide structure, a positioning structure and a welding structure which are dispersedly arranged on the periphery of the mobile phone shell.
Preferably, the middle plate comprises a middle plate main body and a middle plate member covering the outer periphery of the middle plate main body, and the frame comprises an extruded frame main body and a frame member arranged on the inner periphery of the frame main body.
Preferably, the guide structure includes a guide groove provided on the middle plate member and a guide protrusion provided on the side frame member and engaged with the guide groove.
Preferably, the guide groove comprises two tooth-shaped grooves arranged side by side, the guide protrusion correspondingly comprises a tooth-shaped protrusion matched with the tooth-shaped grooves, the die drawing angle of the connection surface of the guide groove and the guide protrusion is 0.5-2 degrees, and the gap between the guide groove and the transverse connection surface of the guide protrusion is 0.03-0.05 mm.
Preferably, the positioning structure includes a first positioning groove of the middle plate member and a second positioning groove of the frame member and clamped with the first positioning groove, the first positioning groove includes a first ledge arranged outside the middle plate member, a second ledge arranged inside the middle plate member and a first groove bottom connected to the ends of the first ledge and the second ledge, and the second positioning groove includes a third ledge arranged inside the frame member, a fourth ledge arranged outside the frame member and a second groove bottom connected to the ends of the third ledge and the fourth ledge.
Preferably, the first groove bottom is connected with the fourth ledge in a matched mode, the gap is 0.5-0.1mm, the second groove bottom is connected with the first ledge in a matched mode, the gap is 0.5-0.1mm, the outer side face of the second ledge is connected with the inner side face of the fourth ledge, the gap is 0.06-0.07mm, the die drawing angle of one side, far away from the first groove bottom, of the second ledge is 1-2 degrees, the die drawing angle of one side, close to the first groove bottom, of the second ledge is 3-4 degrees, and the gap between contact areas of the first ledge and the fourth ledge is not larger than 0.03 mm.
Preferably, the middle plate main body is provided with a plurality of first protrusions at an upper side and a lower side thereof, the first protrusions are protruded out of the middle plate member, the frame main body is provided with second protrusions protruded out of the frame member at positions corresponding to the first protrusions, and the first protrusions and the second protrusions are welded to form the welding structure.
Preferably, the first bump is provided with a welding groove, the second bump is lapped on the bottom edge of the welding groove, the difference value between the upper surface of the first bump and the upper surface of the second bump is 0.5-0.1mm, and the gap between the second bump and the side edge of the welding groove is 0.05-0.12 mm.
Preferably, the welding surface of the first bump and the second bump is a plane processed by CNC.
Preferably, the cell-phone casing still including locate the volume control hole and the lock screen key hole of the first side of cell-phone casing, locate the hole and the horn hole that charge of the base of cell-phone casing and locate the phone card hole on the cell-phone casing topside.
The beneficial effects of the utility model include at least:
1. the mobile phone shell can be divided into a middle plate and a frame to be manufactured respectively, the manufactured middle plate and the frame are rapidly positioned and tightly assembled through a multi-stage connecting structure, and the divided parts are manufactured respectively, so that the middle plate and the frame can be processed and manufactured respectively, the manufacturing speed of the mobile phone shell is increased, and the production efficiency of the mobile phone shell is increased; due to the arrangement of the multistage connecting structures, the middle plate and the frame are respectively connected through the three connecting structures, namely the guide structure, the positioning structure and the welding structure, the middle plate and the frame are rapidly positioned and tightly connected with each other, and the assembling stability between the middle plate and the frame is enhanced.
2. The medium plate include the medium plate main part and mould plastics in the medium plate component of medium plate main part, the frame include the frame main part and mould plastics in the frame component of frame main part, the medium plate main part with the frame main part adopts metal material to make, the cell-phone casing has both reduced including metal component also including the plastic component of moulding plastics the manufacturing cost of cell-phone casing makes the cell-phone casing keeps the advantage in the price war of cell-phone product.
Drawings
Fig. 1 is the overall schematic view of the mobile phone casing of the present invention.
Fig. 2 is a schematic view of the middle plate body.
Fig. 3 is a schematic view of the middle plate.
Fig. 4 is a schematic view of the frame.
Fig. 5 is a schematic view of the guide structure.
Fig. 6 is a schematic view of the positioning structure.
Fig. 7 is a schematic view of the welded structure.
Wherein, 1 is a middle plate, 11 is a middle plate main body, 111 is a first bump, 1111 is a welding groove, 12 is a middle plate member, 2 is a frame, 21 is a frame main body, 211 is a second bump, 22 is a frame member, 3 is a guide structure, 31 is a guide groove, 32 is a guide projection, 4 is a positioning structure, 41 is a first positioning groove, 411 is a first ledge, 412 is a second ledge, 413 is a first groove bottom, 42 is a second positioning groove, 421 is a third ledge, 422 is a fourth ledge, 423 is a second groove bottom, 5 is a welding structure, 100 is a mobile phone shell, 101 is a first side, 102 is a second side, 103 is a top side, 104 is a bottom side, 105 is a volume adjustment hole, 106 is a screen locking keyhole, 107 is a charging hole, 108 is a speaker hole, and 109 is a phone card hole.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
In addition, descriptions in the present invention as to "first", "second", "third", and "fourth", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying that the number of the indicated technical features.
Example 1
Fig. 1 is an overall schematic view of a mobile phone housing according to the present invention, as shown in fig. 1, the mobile phone housing includes a middle plate 1 and a frame 2 assembled around the middle plate 1, and a combination surface of the middle plate 1 and the frame 2 is connected by a multi-stage connection structure; the multi-stage connection structure comprises a guide structure 3, a positioning structure 4 and a welding structure 5 which are dispersedly arranged on the circumference of the mobile phone shell 100.
Fig. 2 is a schematic view of the middle plate main body, fig. 3 is a schematic view of the middle plate, as shown in fig. 2 and fig. 3, the middle plate 1 includes a middle plate main body 11 and a middle plate member 12 covering an outer periphery of the middle plate main body 11, the middle plate member 12 is injection-molded to the middle plate main body 11, fig. 4 is a schematic view of the frame, as shown in fig. 4, the frame 2 includes an extrusion-molded frame main body 21 and a frame member 22 disposed at an inner periphery of the frame main body 21, and the frame member 22 is injection-molded to the frame main body 21. The middle plate 1 is formed by die-casting, so that the middle plate main body 11 is high in size precision and good in surface smoothness, burrs are prevented from being generated in the forming process of the middle plate main body 11, the use of a CNC machining process is reduced, meanwhile, the time for shaping the middle plate main body 11 is saved, the overall production cost of the mobile phone shell is reduced, and the production efficiency is improved. During the 1 die-casting of medium plate, the structure that forms still includes the holding recess that is used for holding electrical components, electrical components includes camera, light filling lamp, cell-phone antenna, fingerprint unlocking ware, RAM card, charger circuit, receiver etc..
The middle plate main body 11 and the frame 2 are made of a light metal material, the light metal material includes an aluminum alloy and a magnesium alloy, preferably, the middle plate main body 11 is made of an aluminum alloy, and the frame main body 21 is made of a magnesium alloy.
Fig. 5 is a schematic view of the guide structure, and as shown in fig. 5, the guide structure 3 includes a guide groove 31 provided on the middle plate member 12 and a guide protrusion 32 provided on the side frame member 22 and engaged with the guide groove 31.
The guide groove 31 comprises two tooth-shaped grooves arranged side by side, correspondingly, the guide protrusion 32 comprises a tooth-shaped protrusion matched with the tooth-shaped grooves, the die drawing angle of the connection surface of the guide groove 31 and the guide protrusion 32 is 0.5-2 degrees, preferably 2 degrees, and the die drawing angle can promote the quick connection of the guide groove 31 and the guide protrusion 32; the clearance between the vertical connecting surfaces of the guide groove 31 and the guide projection 32 is 0.1-0.15mm, preferably 0.15mm, and the clearance prevents the mutual interference between the guide groove 31 and the guide projection 32 and increases the stability of the assembly of the guide structure 3; the gap between the transverse connecting surfaces of the guide groove 31 and the guide protrusion 32 is 0.03-0.05mm, preferably 0.05mm, and the gap ensures that the guide groove 31 and the guide protrusion 32 can be attached and tightly connected, and further ensures that the middle plate 1 and the frame 2 can be tightly and stably connected.
Alternatively, the guide groove 31 includes a tooth-shaped groove, and the guide projection 32 includes a tooth-shaped projection provided corresponding to the tooth-shaped groove.
Fig. 6 is a schematic view of the positioning structure, as shown in fig. 6, the positioning structure 4 includes a first positioning groove 41 disposed on the middle plate member 12 and a second positioning groove 42 disposed on the frame member 22 and clamped with the first positioning groove 41, the first positioning groove 41 includes a first ledge 411 disposed on the outer side of the middle plate member 12, a second ledge 412 disposed on the inner side of the middle plate member 12 and a first groove bottom 413 connected to the ends of the first ledge 411 and the second ledge 412, the second positioning groove 42 includes a third ledge 421 disposed on the inner side of the frame member 22, a fourth ledge 422 disposed on the outer side of the frame member 22 and a second groove bottom 423 connected to the ends of the third ledge 421 and the fourth ledge 422. The inner side refers to a side away from the bezel main body, and the outer side refers to a side close to the bezel main body.
The first groove bottom 413 and the fourth ledge 422 are connected in a matched mode, the gap is 0.05-0.1mm, the second groove bottom 423 and the first ledge 411 are connected in a matched mode, the gap is 0.05-0.1mm, and 0.1mm is preferred. And a gap is arranged between the contact surfaces of the first groove bottom 413 and the second groove bottom 423 which are matched and connected with the corresponding groove tops, so that the mutual interference between the first positioning groove 41 and the second positioning groove 42 is prevented. The outer side face of the second ledge 412 is connected with the inner side face of the fourth ledge 422, the gap is 0.06-0.07mm, preferably 0.07mm, and the drawing angle of the second ledge 412 on the side away from the first trough bottom 413 is 1-2 degrees, preferably 1 degree; the drawing angle of the second ledge 412 on the side close to the first groove bottom 413 is 3-4 degrees, preferably 3 degrees; the gap between the contact areas of the first ledge 411 and the fourth ledge 422 is not greater than 0.03mm, so as to ensure that the first positioning groove 41 and the second positioning groove 42 can be tightly and closely fitted and stably connected, and the gap is preferably 0.03mm, thereby further ensuring that the middle plate 1 and the frame 2 can be tightly and stably combined.
Fig. 7 is a schematic view of the welding structure, as shown in fig. 7, a plurality of first protrusions 111 are respectively disposed on an upper side and a lower side of the middle plate main body 11, the first protrusions 111 are protruded out of the middle plate member 12, a second protrusion 211 protruded out of the frame member 22 is disposed at a position of the frame main body 21 corresponding to the first protrusions 111, and the first protrusions 111 and the second protrusions 211 are welded to form the welding structure 5.
Referring to fig. 7, a solder groove 1111 is formed in the first bump 111 for facilitating soldering, the second bump 211 is overlapped with a bottom edge of the solder groove 1111, a difference between an upper surface of the first bump 111 and an upper surface of the second bump 211 is 0.5-0.1mm, preferably 0.1mm, the difference is formed by the upper surface of the first bump 111 being higher than the upper surface of the second bump 211 or by the upper surface of the first bump 111 being lower than the upper surface of the second bump 211, and a gap between the side edges of the second bump 211 and the solder groove 1111 is 0.05-0.12mm, preferably 0.12 mm.
The welding surface of the first bump 111 and the second bump 211 is a plane processed by CNC processing. And carrying out CNC surface treatment on the welding surfaces of the first lug 111 and the second lug 211, so that the flatness of the welding surfaces is improved, and the welding bonding force is increased.
The bottom of the middle plate member 12 is abutted against the bottom of the frame main body 21, and the gap between the joint surfaces of the middle plate member 12 and the frame main body 21 is 0.03-0.05 mm.
Referring to fig. 1, the handset housing 100 includes a first side 101 and a second side 102 disposed in parallel, and a top side 103 and a bottom side 104 disposed between the first side 101 and the second side 102 and disposed in parallel. The handset housing further comprises a volume adjustment aperture 105 and a lock screen key aperture 106 located at a first side 101 of the handset housing, a charging aperture 107 and a speaker aperture 108 located at a bottom edge 104 of the handset housing and a phone card receptacle 109 located at a top edge 103 of the handset housing.
Preferably, a positioning structure 4 is arranged at a corner of the mobile phone shell 100, the positioning structure 4 plays a role in supporting and protecting, and plays a role in buffering when the mobile phone drops, so that damage to the corner of the mobile phone shell 100 due to impact is relieved. Locate the multi-stage connection structure of first side 101 avoids volume control hole 105 and lock screen keyhole 106 setting, locates the multi-stage connection structure of first side 101 includes at least location structure 4, the both sides of volume control hole 105 and lock screen keyhole 106 are equipped with location structure 4. Guide structure 3 and location structure 4 interval set up with on the second side 102, just guide structure 3 and location structure 4 homodisperse in on the second side 102. The multi-level connection structure on the top side 103 is located away from the phone card receptacle 109. The multi-stage connecting structure disposed on the bottom side 104 is disposed to avoid the charging hole 107 and the trumpet hole 108, and the multi-stage connecting structure disposed on the top side 103 and the bottom side 104 at least includes the positioning structure 4.
The manufacturing process of the mobile phone shell comprises the following steps:
divide the cell-phone casing into medium plate 1 and frame 2 and independently make the shaping respectively, then assemble medium plate 1 and frame 2 that will make, medium plate 1 and frame 2 are stable connection under guide structure 3 and location structure 4's effect.
S1, manufacturing the middle plate, namely obtaining a middle plate main body 11 through die casting, then injecting a middle plate member 12 on the middle plate main body 11 through injection molding, and obtaining the middle plate 1 after CNC processing;
s2, manufacturing a frame, namely performing primary CNC (computerized numerical control) processing on the frame section to obtain a frame main body 21, then performing injection molding on the frame main body 21 to form a frame member 22, and then performing secondary CNC processing to obtain a frame 2;
s3 assembling: the middle plate 1 and the bezel 2, which are separately manufactured in the steps S1 and S2, are assembled to obtain a mobile phone case.
Before performing the assembly of step S3, the method further includes: and (4) carrying out anodic oxidation treatment on the middle plate 1 and the frame 2 which are independently manufactured in the steps S1 and S2, so that a protective film is formed on the surfaces of the middle plate 1 and the frame 2, and the service life of the mobile phone shell is prolonged.
In step S3, the first protrusion 111 and the second protrusion 211 are welded and connected, the guide slot 31 is connected with the guide protrusion 32, and the first positioning slot 41 is connected with the second positioning slot 42. Middle plate 1 and frame 2 have guaranteed through multi-stage connection structure zonulae occludens the stability of cell-phone casing.
According to the structural characteristics of the mobile phone shell of the utility model, the mobile phone shell is divided into two independent parts of a middle plate and a frame during manufacturing, and the two independent parts are assembled after being respectively processed and molded,
the utility model separately injection-molds the middle plate component and the frame component after the middle plate main body and the frame main body are processed and formed, and the middle plate and the plate frame can be manufactured on two independent production lines; just the utility model discloses the medium plate main part adopts the die-casting shaping to make, makes the size precision of medium plate main part is high, surface finish is good, has avoided the production of burr, has reduced CNC manufacturing procedure's use, has reduced the long time of having practiced thrift the plastic of medium plate main part of CNC processing, has reduced the production cycle of cell-phone casing by a wide margin to reduce CNC processing cost, and then reduced the processing cost of cell-phone casing, improved production efficiency.
Adopt manufacturing process list CNC processing cost reduces more than 50%, and about 35 minutes are long during the overall processing technology, have reduced the manufacturing cost of cell-phone casing by a wide margin and when having practiced thrift the production usefulness, have improved production efficiency.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent preferred embodiments of the present invention, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A handset housing, comprising: the middle plate and the frame are assembled on the periphery of the middle plate, and the combination surfaces of the middle plate and the frame are connected through a multi-stage connection structure; the multistage connection structure comprises a guide structure, a positioning structure and a welding structure which are dispersedly arranged on the periphery of the mobile phone shell.
2. A handset housing according to claim 1, wherein: the middle plate comprises a middle plate main body and a middle plate member coated on the periphery of the outer side of the middle plate main body, and the frame comprises an extrusion-molded frame main body and a frame member arranged on the periphery of the inner side of the frame main body.
3. A handset housing according to claim 2, wherein: the guide structure comprises a guide groove arranged on the middle plate member and a guide bulge arranged on the frame member and matched with the guide groove.
4. A handset housing according to claim 3, wherein: the guide groove comprises two tooth-shaped grooves arranged side by side, the guide protrusion correspondingly comprises a tooth-shaped protrusion matched with the tooth-shaped grooves, the die drawing angle of the connection surface of the guide groove and the guide protrusion is 0.5-2 degrees, and the gap between the guide groove and the transverse connection surface of the guide protrusion is 0.03-0.05 mm.
5. A handset housing according to claim 2, wherein: the positioning structure comprises a first positioning groove of a middle plate component and a second positioning groove which is arranged on the frame component and is clamped with the first positioning groove, the first positioning groove comprises a first ledge arranged on the outer side of the middle plate component, a second ledge arranged on the inner side of the middle plate component and a first groove bottom connected to the end parts of the first ledge and the second ledge, and the second positioning groove comprises a third ledge arranged on the inner side of the frame component, a fourth ledge arranged on the outer side of the frame component and a second groove bottom connected to the end parts of the third ledge and the fourth ledge.
6. A handset housing according to claim 5, wherein: the first groove bottom is connected with the fourth ledge in a matched mode, the gap is 0.5-0.1mm, the second groove bottom is connected with the first ledge in a matched mode, the gap is 0.5-0.1mm, the outer side face of the second ledge is connected with the inner side face of the fourth ledge, the gap is 0.06-0.07mm, the die drawing angle of one side, far away from the first groove bottom, of the second ledge is 1-2 degrees, the die drawing angle of one side, close to the first groove bottom, of the second ledge is 3-4 degrees, and the gap between the contact areas of the first ledge and the fourth ledge is not larger than 0.03 mm.
7. A handset housing according to claim 2, wherein: the upper side and the lower side of the middle plate main body are respectively provided with a plurality of first lugs, the first lugs are convexly exposed out of the middle plate component, the corresponding positions of the frame main body and the first lugs are provided with second lugs which are convexly exposed out of the frame component, and the first lugs and the second lugs are welded to form the welding structure.
8. A handset housing according to claim 7, wherein: the first bump is provided with a welding groove, the second bump is lapped on the bottom edge of the welding groove, the difference value between the upper surface of the first bump and the upper surface of the second bump is 0.5-0.1mm, and the gap between the second bump and the side edge of the welding groove is 0.05-0.12 mm.
9. A handset housing according to claim 7, wherein: the welding surface of the first bump and the second bump is a plane processed by CNC.
10. A handset housing according to claim 1, wherein: the cell-phone casing is still including locating the volume control hole and the lock screen key hole of the first side of cell-phone casing, locate the hole and the horn aperture that charge on the base of cell-phone casing and locate phone card jack on the cell-phone casing topside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123412165.4U CN217116130U (en) | 2021-12-30 | 2021-12-30 | Mobile phone shell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123412165.4U CN217116130U (en) | 2021-12-30 | 2021-12-30 | Mobile phone shell |
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Publication Number | Publication Date |
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CN217116130U true CN217116130U (en) | 2022-08-02 |
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Family Applications (1)
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CN202123412165.4U Active CN217116130U (en) | 2021-12-30 | 2021-12-30 | Mobile phone shell |
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CN (1) | CN217116130U (en) |
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2021
- 2021-12-30 CN CN202123412165.4U patent/CN217116130U/en active Active
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