CN108270887B - Waterproof mobile phone middle frame - Google Patents
Waterproof mobile phone middle frame Download PDFInfo
- Publication number
- CN108270887B CN108270887B CN201810044293.1A CN201810044293A CN108270887B CN 108270887 B CN108270887 B CN 108270887B CN 201810044293 A CN201810044293 A CN 201810044293A CN 108270887 B CN108270887 B CN 108270887B
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- mobile phone
- groove
- sealing element
- frame
- waterproof mobile
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Telephone Set Structure (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention relates to a waterproof mobile phone middle frame, which comprises a middle plate, a frame, a first sealing element and a second sealing element, wherein the middle plate is provided with a first sealing element and a second sealing element; the middle plate comprises a body part and a clamping part, the body part is provided with a first step and a second step, the first step and the inner wall of the frame form a first abutting groove, the second step and the inner wall of the frame form a second abutting groove, the first sealing element is filled in the first abutting groove, and the second sealing element is filled in the second abutting groove; the frame is equipped with an at least joint groove towards the one end of medium plate, and the joint groove is used for connecting joint portion. The waterproof mobile phone middle frame is simple in structure, the first sealing piece and the second sealing piece are arranged, the first sealing piece and the second sealing piece are used for being connected with one side of the middle plate and one side of the frame to strengthen connection between the middle plate and the frame, meanwhile, the mobile phone middle frame can be connected with the back plate and the panel more tightly, hands can be in direct contact with a mobile phone, operation hand feeling is improved, a waterproof function is achieved, and moisture is prevented from permeating.
Description
Technical Field
The invention relates to the technical field of mobile phone processing, in particular to a waterproof mobile phone middle frame.
Background
The mobile phone is the most important communication tool for people, brings great convenience to the life of people, and is assembled by adopting the metal middle frame and the rear cover so as to meet the requirement of consumers on the metal texture of the mobile phone. In life, the mobile phone is inevitably collided or soaked by liquid, the mobile phone is assembled by accessories such as a back plate, a metal middle frame, a panel and the like and is installed in an embedding or riveting mode, gaps are formed among the accessories, moisture easily permeates into a circuit in the mobile phone through the gaps to cause short circuit, and therefore the mobile phone cannot be normally used. In order to solve the problem, people put a layer of mobile phone cover on the mobile phone cover, and the mobile phone cover only solves the problem of mobile phone water resistance on the surface, however, the structure easily causes that hands can not be in direct contact with the mobile phone, and greatly reduces the operation hand feeling of the mobile phone.
Disclosure of Invention
Therefore, it is necessary to provide a waterproof middle frame for a mobile phone, which has a simple structure, and can make hands directly contact with the mobile phone, thereby improving the operation hand feeling, and making the inside of the mobile phone have a waterproof function, thereby avoiding the infiltration of moisture.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
a waterproof mobile phone middle frame comprises a middle plate, a frame arranged on the middle plate, a first sealing element and a second sealing element, wherein the middle plate comprises a body part and a clamping part extending from the body part, one end, facing the clamping part, of the body part is provided with a first step and a second step, the first step and the inner wall of the frame form a first abutting groove, the second step and the inner wall of the frame form a second abutting groove, the first sealing element is filled in the first abutting groove to connect the middle plate and the frame, and the second sealing element is filled in the second abutting groove to connect the middle plate and the frame; the frame is equipped with an at least joint groove towards the one end of medium plate, the joint groove is used for connecting joint portion.
The waterproof mobile phone middle frame is simple in structure, the first sealing piece and the second sealing piece are arranged, the first sealing piece and the second sealing piece are used for connecting the middle plate and the frame, the connection between the middle plate and the frame is enhanced, meanwhile, the mobile phone middle frame, the back plate and the panel can be connected more tightly, hands can be in direct contact with a mobile phone, operation hand feeling is improved, a waterproof function is achieved, and moisture is prevented from permeating.
In one embodiment, the depth of the first abutting groove is 0.6 mm-1.1 mm, and the width of the first abutting groove is 0.8 mm-1.2 mm.
In one embodiment, the width of the first abutting groove is gradually reduced along a direction back to the side wall of the clamping portion.
In one embodiment, the depth of the second abutting groove is the same as the depth of the first abutting groove, and the width of the second abutting groove is the same as the width of the first abutting groove.
In one embodiment, the width of the clamping groove is gradually reduced along the direction of the frame towards the middle plate.
In one embodiment, the snap-in groove is a dovetail groove.
In one embodiment, the outermost end of the clamping portion is in a truncated cone shape or a truncated pyramid shape.
In one embodiment, the waterproof mobile phone middle frame further comprises a third sealing element connected with the first sealing element and the second sealing element, and the third sealing element, the first sealing element and the second sealing element are integrally formed through injection molding.
In one embodiment, the middle plate is provided with at least one mounting groove for accommodating the third sealing element.
In one embodiment, the depth of the mounting groove is 0.8 mm-1.2 mm; the minimum width of the mounting groove is 4.6 mm-5.1 mm; the maximum width of the mounting groove is 5.2 mm-5.7 mm.
Drawings
Fig. 1 is a schematic perspective view of a waterproof mobile phone middle frame according to a first embodiment of the present invention;
FIG. 2 is an exploded view of the waterproof handset bezel shown in FIG. 1;
fig. 3 is a perspective view of a middle frame of a waterproof mobile phone according to a second embodiment of the present invention;
fig. 4 is an exploded view of the waterproof handset middle frame shown in fig. 3.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This 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.
Referring to fig. 1 and 2, a waterproof mobile phone middle frame 100 according to a first embodiment of the present invention includes a middle plate 10, a frame 20 mounted on the middle plate 10, a first sealing member 30, and a second sealing member 40. During installation, the first sealing element 30 is used for being abutted with the panel, and the second sealing element 40 is used for being abutted with the back plate, so that the mobile phone accessories can be tightly connected, and the waterproof performance is good.
The middle plate 10 and the frame 20 are made of metal materials, such as a steel-aluminum combination structure, an aluminum-aluminum combination structure, and a titanium-aluminum combination structure, so as to meet the requirements of consumers on the metal texture of the mobile phone.
The middle plate 10 includes a body portion 11 and a clamping portion 12 extending from the body portion 11, one end of the body portion 11 facing the clamping portion 12 has a first step 111 and a second step 112, the first step 111 and an inner wall of the frame 20 form a first abutting groove, and the first abutting groove is used for filling the first sealing element 30; the second step 112 forms a second abutting groove with the inner wall of the rim 20, and the second abutting groove is used for filling the second sealing member 40. Optionally, the first step 111 is a one-step or a multi-step, which enhances the bearing capacity of the first sealing element 30, so that the middle plate 10 and the panel are more tightly connected. Similarly, the second step 112 is a one-step or a multi-step, which can enhance the connection between the middle plate 10 and the back plate. In one embodiment, the depth of the first abutting groove is 0.6mm to 1.1mm, and the width of the first abutting groove is 0.8mm to 1.2 mm. In another embodiment, the width of the first abutting groove is gradually reduced along a direction back to the side wall of the clamping portion. The depth of the second butt joint groove is the same as that of the first butt joint groove, and the width of the second butt joint groove is the same as that of the first butt joint groove. The outermost end of the clamping portion 12 is in a truncated cone shape or a truncated pyramid shape, which is beneficial for clamping, and in other embodiments, the clamping portion 12 may also be in a spherical crown shape or a T-shape, but is not limited to the illustrated cases.
The first sealing element 30 and the second sealing element 40 are both used for connecting the middle plate 10 and the frame 20, and the first sealing element 30 and the second sealing element 40 are both made of plastic materials. In one embodiment, the plastic material is polyether plastic containing thiophenyl on a molecular main chain, specifically, the plastic material is polyphenylene sulfide (pps) (phenylene sulfide), the polyphenylene sulfide is a linear or slightly branched polymer formed by alternately arranging benzene rings and sulfur atoms, molecular chain regularity is strong, and a main bond formed by connecting a rigid benzene ring and a flexible thioether chain has the characteristic of being rigid and flexible; because the benzene ring and the sulfur atom form conjugation, and the sulfur atom is not in saturation, after oxidation, the thioether bond can be changed into a sulfoxide group, or adjacent macromolecules form oxygen bridge branching or crosslinking, so that the thermal stability and the oxygen stability are very outstanding; because the polarity of sulfur atoms is conjugated by benzene rings and bound by high crystallinity, pps has the characteristic of non-polarity or weak polarity, and therefore, the electrical insulation, dielectric property and chemical medium resistance of pps are also outstanding. In another embodiment, the polyphenylene sulfide is further added with glass fiber GF accounting for 45% of the total weight, and due to the addition of the glass fiber, the mutual movement among polymer chains of the plastic is limited, the shrinkage rate of the reinforced plastic is greatly reduced, and the rigidity is greatly improved.
During production and assembly, the first sealing element 30 and the second sealing element 40 may be directly produced and then respectively filled in the first abutting groove and the second abutting groove, but in order to better seal the middle plate 10 with the frame 20, during production, the middle plate 10 is reserved with the first step 111 and the second step 112, and then the first sealing element 30 and the second sealing element 40 are integrally formed with the middle plate 10 and the frame 20 by injection molding, so that the middle frame of the mobile phone is formedThe waterproof mobile phone cover has good waterproof performance, the influence of external water seepage on the interior of the mobile phone is structurally avoided, and the problem that the product is waterproof due to the fact that the product is externally worn is solved, so that the waterproof life of the product can be greatly prolonged. During injection molding, the technological parameters of the injection molding machine are as follows: the ambient temperature is 15-35 ℃; the temperature of the raw material is 280-330 ℃; the temperature of the die is 140-160 ℃; the temperature of the blank is 140-160 ℃; the temperature of the hot runner is 250-270 ℃. The filling speed is 60 mm/s-180 mm/s; the glue melting time is 8-10 s; filling time is 0.15 s-0.25 s; cooling for 10-15 s; the pressure maintaining time is 1-5 s; the mold opening and closing time is 2-3.5 s; the taking-out time is 5-10 s; the back pressure (melt pressure) is 5MPa to 10 MPa; the injection pressure is 100MPa to 250 MPa; the pressure maintaining pressure is 50MPa to 150 MPa; the mold locking pressure is 12MPa to 16 MPa; the ejection pressure is 3MPa to 5 MPa; glue amount 50cm3～60cm3。
Referring to fig. 3 and fig. 4 again, a waterproof cell phone middle frame 100 according to a second embodiment of the present invention is shown, and the difference between the present embodiment and the first embodiment is:
the waterproof mobile phone middle frame 100 further comprises a third sealing element 50 connected with the first sealing element 30 and the second sealing element 40, the third sealing element 50, the first sealing element 30 and the second sealing element 40 are integrally formed through injection molding, and the material property of the third sealing element 50 is the same as that of the first sealing element 30 and that of the second sealing element 40. The coupling of the third sealing member 50 structurally enhances the coupling performance of the first and second sealing members 30 and 40, and enhances the stability of the injection-molded structure. It will be appreciated that the third seal 50 may be riveted or otherwise connected to the first and second seals 30, 40.
In one embodiment, the middle plate 10 is provided with at least one mounting groove 19, and the mounting groove 19 is used for accommodating the third sealing element 50. In another embodiment, the depth of the mounting groove 19 is 0.8mm to 1.2mm, the minimum width of the mounting groove 19 is 4.6mm to 5.1mm, and the maximum width of the mounting groove 19 is 5.2mm to 5.7 mm. In some embodiments, the first sealing element 30 includes at least one first fixing portion (not shown), and a first fixing groove for receiving the first fixing portion is disposed between the middle plate 10 and the rim 20 to enhance the installation of the first sealing element 30. Similarly, the second sealing element 40 includes at least one second fixing portion, and a second fixing groove for accommodating the first fixing portion is disposed between the middle plate 10 and the frame 20.
The waterproof mobile phone middle frame 100 is simple in structure, the first sealing element 30 and the second sealing element 40 are arranged, the first sealing element 30 and the second sealing element 40 are used for connecting the middle plate 10 and the frame 20 to strengthen the connection between the middle plate 10 and the frame 20, meanwhile, the mobile phone middle frame can be connected with the back plate and the panel more tightly, hands can be in direct contact with a mobile phone, the operation hand feeling is improved, the waterproof function is achieved, and moisture is prevented from permeating.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A waterproof mobile phone middle frame is characterized by comprising a middle plate, a frame arranged on the middle plate, a first sealing element and a second sealing element, wherein the first sealing element is used for being abutted with a panel, and the second sealing element is used for being abutted with a back plate; the middle plate comprises a body part and a clamping part extending from the body part, a first step and a second step are arranged at one end of the body part facing the clamping part, a first abutting groove is formed between the first step and the inner wall of the frame, a second abutting groove is formed between the second step and the inner wall of the frame, the first sealing element is filled in the first abutting groove to connect the middle plate and the frame, and the second sealing element is filled in the second abutting groove to connect the middle plate and the frame; the frame is equipped with an at least joint groove towards the one end of medium plate, the joint groove is used for connecting joint portion, the appearance size in joint groove with the appearance size of the outermost end of joint portion corresponds.
2. The waterproof mobile phone middle frame according to claim 1, wherein the depth of the first abutting groove is 0.6mm to 1.1mm, and the width of the first abutting groove is 0.8mm to 1.2 mm.
3. The waterproof mobile phone middle frame according to claim 2, wherein the width of the first abutting groove is gradually reduced along a direction away from the side wall of the clamping portion.
4. The waterproof mobile phone middle frame according to claim 2, wherein the depth of the second abutting groove is the same as the depth of the first abutting groove, and the width of the second abutting groove is the same as the width of the first abutting groove.
5. The waterproof mobile phone middle frame according to claim 1, wherein the width of the clamping groove is gradually reduced along the direction from the frame to the middle plate.
6. The waterproof mobile phone middle frame according to claim 5, wherein the clamping groove is a dovetail groove.
7. The waterproof mobile phone middle frame according to claim 1, wherein the outermost end of the clamping portion is in a truncated cone shape or a truncated pyramid shape.
8. The waterproof mobile phone middle frame according to any one of claims 1 to 7, further comprising a third sealing member connecting the first sealing member and the second sealing member, wherein the third sealing member is integrally formed with the first sealing member and the second sealing member by injection molding.
9. The waterproof mobile phone middle frame according to claim 8, wherein the middle plate is provided with at least one mounting groove for receiving the third sealing element.
10. The waterproof mobile phone middle frame according to claim 9, wherein the depth of the mounting groove is 0.8mm to 1.2 mm; the minimum width of the mounting groove is 4.6 mm-5.1 mm; the maximum width of the mounting groove is 5.2 mm-5.7 mm.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810044293.1A CN108270887B (en) | 2018-01-17 | 2018-01-17 | Waterproof mobile phone middle frame |
| PCT/CN2018/078538 WO2019140763A1 (en) | 2018-01-17 | 2018-03-09 | Middle frame of mobile phone |
| US16/147,550 US10469642B2 (en) | 2018-01-17 | 2018-09-28 | Middle frame for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810044293.1A CN108270887B (en) | 2018-01-17 | 2018-01-17 | Waterproof mobile phone middle frame |
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| Publication Number | Publication Date |
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| CN108270887A CN108270887A (en) | 2018-07-10 |
| CN108270887B true CN108270887B (en) | 2020-08-18 |
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| CN201810044293.1A Active CN108270887B (en) | 2018-01-17 | 2018-01-17 | Waterproof mobile phone middle frame |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111986941B (en) * | 2020-08-14 | 2022-12-27 | 广东长盈精密技术有限公司 | Waterproof button structure and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087365A (en) * | 2017-05-09 | 2017-08-22 | 广东欧珀移动通信有限公司 | Metal center processing technology, metal center and electronic installation |
| CN107087364A (en) * | 2017-05-09 | 2017-08-22 | 广东欧珀移动通信有限公司 | Metal center processing technology, metal center and electronic installation |
| CN107087363A (en) * | 2017-05-09 | 2017-08-22 | 广东欧珀移动通信有限公司 | Metal center processing technology, metal center and electronic installation |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007312255A (en) * | 2006-05-19 | 2007-11-29 | Casio Hitachi Mobile Communications Co Ltd | Waterproof structure and battery pack for battery housing part in electronic apparatus |
| US9634712B1 (en) * | 2016-09-07 | 2017-04-25 | Shenzhen Fengxian Investment Development Co., Ltd. | Mobile phone cover |
| CN106814489A (en) * | 2016-12-11 | 2017-06-09 | 乐视控股（北京）有限公司 | The assemble method and electronic equipment of screen module, screen module |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087365A (en) * | 2017-05-09 | 2017-08-22 | 广东欧珀移动通信有限公司 | Metal center processing technology, metal center and electronic installation |
| CN107087364A (en) * | 2017-05-09 | 2017-08-22 | 广东欧珀移动通信有限公司 | Metal center processing technology, metal center and electronic installation |
| CN107087363A (en) * | 2017-05-09 | 2017-08-22 | 广东欧珀移动通信有限公司 | Metal center processing technology, metal center and electronic installation |
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