CN112351127A - Mobile terminal with stable structure and good sound effect - Google Patents
Mobile terminal with stable structure and good sound effect Download PDFInfo
- Publication number
- CN112351127A CN112351127A CN202011137980.1A CN202011137980A CN112351127A CN 112351127 A CN112351127 A CN 112351127A CN 202011137980 A CN202011137980 A CN 202011137980A CN 112351127 A CN112351127 A CN 112351127A
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- CN
- China
- Prior art keywords
- rear cover
- mobile terminal
- middle frame
- sheet
- frame
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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
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
- H04M1/185—Improving the rigidity of the casing or resistance to shocks
-
- 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
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
- H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a mobile terminal with stable structure and good sound effect, which belongs to the technical field of mobile terminals and has the technical scheme that the mobile terminal comprises a rear cover and a middle frame, wherein a frame protruding forwards is integrally arranged on the periphery of the rear cover, a camera opening is also formed in the back surface of the rear cover, the middle frame is sleeved on the frame of the rear cover, a charging socket opening, a volume key opening, a power key opening and a plurality of loudspeaker openings are formed in the middle frame, two positioning ends are integrally arranged at each corner of the frame of the rear cover, the two positioning ends are respectively and symmetrically arranged on two edges of the corner, a protective sheet is connected between the end parts of the two positioning ends at each corner, the protective sheet is bent in an arc shape and covers the whole corner, and gaps are reserved between the four protective sheets and the rear cover; the middle frame is provided with a plurality of positioning grooves at one side combined with the rear cover. This kind of stable in structure good sound effect's mobile terminal compares and has better stability and fastness in traditional mobile terminal, still has better sound simultaneously.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a mobile terminal with stable structure and good sound effect.
Background
The mobile terminal or called mobile communication terminal refers to a computer device which can be used in mobile, and broadly includes a mobile phone, a notebook, a tablet computer, a POS machine, and even a vehicle-mounted computer. But most often refer to cell phones or smart phones and tablets with multiple application functions. With the development of networks and technologies towards increasingly broader bands, the mobile communications industry will move towards a true mobile information age. On the other hand, with the rapid development of integrated circuit technology, the processing capability of the mobile terminal has already possessed strong processing capability, and the mobile terminal is changing from a simple conversation tool to an integrated information processing platform. This also adds more development space to mobile terminals. Present mobile terminal, especially cell-phone, at the in-process of daily use, its edge especially four corners position takes place to collide with easily, uses for a long time, produces the indent easily and splits even, and the structure is very unstable firm, and installs the protection of protective housing additional not only influences the feel, has increased mobile terminal's weight moreover, has also reduced mobile terminal's aesthetic property to traditional mobile terminal's audio has great promotion progress space in addition.
Disclosure of Invention
The invention aims to provide a mobile terminal with stable structure and good sound effect, so as to solve the problems.
The technical purpose of the invention is realized by the following technical scheme: a mobile terminal with stable structure and good sound effect comprises a rear cover and a middle frame, wherein a frame protruding forwards is integrally arranged on the periphery of the rear cover, a camera opening is further formed in the back surface of the rear cover, the middle frame is sleeved on the frame of the rear cover, a charging socket opening, a volume key opening, a power key opening and a plurality of loudspeaker openings are formed in the middle frame, two positioning ends are integrally arranged at each corner of the frame of the rear cover, the two positioning ends are symmetrically arranged on two edges of the corner respectively, a protection sheet is connected between the end parts of the two positioning ends at each corner, the protection sheet is bent in an arc shape and covers the whole corner, and gaps are reserved between the four protection sheets and the rear cover; the middle frame is provided with a plurality of positioning grooves at one side combined with the rear cover, the positioning grooves are in one-to-one correspondence with the positioning ends in number and arrangement positions and are in clamping fit with the positioning ends, after the middle frame is combined with the rear cover, gaps still remain between the four protective sheets and the middle frame, the loudspeaker openings are divided into four groups, the four groups are respectively arranged at four corners of the middle frame, and the four groups of loudspeaker openings correspond to the four gaps left between the four protective sheets and the middle frame in one-to-one correspondence.
Furthermore, the location end is the U type, the both ends of protection piece are all fixed and are provided with the inserted sheet, two on the protection piece the inserted sheet inserts respectively to being located two at protection piece both ends the U type structure of location end is inboard.
Furthermore, the lateral wall of inserted sheet is equipped with a plurality of dogteeth, the inboard of location end U type structure be equipped with a plurality of with the dogtooth matched with recess of inserted sheet.
Further, both sides homogeneous body of location end outer wall is provided with the dop that is the T type, the both sides of constant head tank inner wall all seted up with dop joint complex and also be the draw-in groove of T type.
Furthermore, the cross section of the protection sheet is arc-shaped, a sound guide sheet is fixedly arranged on one side, close to the rear cover, of the protection sheet in an extending mode along the length direction of the protection sheet, the cross section of the sound guide sheet is fan-shaped, and the sharp-angle end of the fan-shaped structure faces towards the rear cover.
Further, the angle range of the sharp corner of the fan-shaped structure of the cross section of the sound guide piece is as follows: 135-150 degrees.
Furthermore, transition blocks are arranged at positions, close to two ends of the protection sheet, of the outer side of the rear cover frame, and the transition blocks are in arc-shaped slope shapes.
Furthermore, the protection sheet is composed of an aluminum alloy layer and a rubber film attached to the outer wall of the aluminum alloy layer.
In conclusion, the invention has the following beneficial effects:
according to the mobile terminal with the stable structure and the good sound effect, the plurality of positioning ends are arranged on the rear cover, the protecting sheets for protecting corners are installed at the four corners of the rear cover through the positioning ends, and a certain gap is formed between the protecting sheets and the middle frame after the rear cover is assembled with the middle frame to form a hollow structure, so that external impact on the corners of the mobile terminal can be greatly buffered, and the stability and firmness of the mobile terminal are effectively improved; the speaker trompil of mobile terminal corresponds above-mentioned clearance, and sound receives the blockking of protective sheet at the in-process of outside propagation, and then takes place the reflection, makes the sound wave outwards propagate with concentrating more to when using mobile terminal, the user can be more clear hear the sound, compare in traditional mobile terminal and have better audio.
Drawings
FIG. 1 is an overall structural view of the rear cover of the present invention after being combined with a middle frame;
FIG. 2 is an enlarged view of the structure of FIG. 1A;
FIG. 3 is an overall view of the rear cover of the present invention after being disassembled from the middle frame;
FIG. 4 is an enlarged view of the structure of FIG. 3B;
FIG. 5 is a cross-sectional structural view of the middle frame of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5C;
FIG. 7 is a cross-sectional view showing the combination of the rear cover and the middle frame according to the present invention
FIG. 8 is an enlarged view of the structure of FIG. 7D;
FIG. 9 is an isometric view of a middle frame of the present invention;
FIG. 10 is a cross-sectional view of the combination structure of the protection plate and the sound guiding plate of the present invention.
In the figure: 1. a rear cover; 11. perforating a camera; 12. a positioning end; 13. inserting sheets; 14. clamping a head; 15. a protective sheet; 16. a sound guide sheet; 17. a transition block; 2. a middle frame; 21. a charging jack is provided with a hole; 22. opening a volume key; 23. opening a power key; 24. opening a hole of the loudspeaker; 25. positioning a groove; 26. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, a mobile terminal with stable structure and good sound effect comprises a rear cover 1 and a middle frame 2, wherein a frame protruding forwards is integrally arranged on the periphery of the rear cover 1, a camera opening 11 is further formed in the back surface of the rear cover, the middle frame 2 is sleeved on the frame of the rear cover 1, a charging jack opening 21, a volume key opening 22, a power key opening 23 and a plurality of speaker openings 24 are formed in the middle frame 2, two positioning ends 12 are integrally arranged at each corner of the frame of the rear cover 1, the two positioning ends 12 are symmetrically arranged on two edges of the corner respectively, a protective sheet 15 is connected between the ends of the two positioning ends 12 at each corner, the protective sheet 15 is bent in an arc shape and covers the whole corner, and gaps are reserved between the four protective sheets 15 and the rear cover 1; the middle frame 2 is provided with a plurality of positioning grooves 25 at one side combined with the rear cover 1, the number and the arrangement positions of the plurality of positioning grooves 25 correspond to the plurality of positioning ends 12 one by one, and the positioning grooves and the positioning ends are in clamping fit, after the middle frame 2 is combined with the rear cover 1, gaps are still left between the four protection sheets 15 and the middle frame 2, the speaker openings 24 are divided into four groups, the four groups are respectively arranged at four corners of the middle frame 2, and the four groups of speaker openings 24 correspond to the four gaps left between the four protection sheets 15 and the middle frame 2 one by one.
Through the technical scheme, after the middle frame 2 is sleeved on the frame of the rear cover 1, the positioning ends 12 on the rear cover 1 are clamped into the positioning grooves 25 on the middle frame 2 one by one, the clamping installation of the middle frame 2 and the rear cover 1 is realized, the assembly of the middle frame 2 and the rear cover 1 can be further reinforced by means of the traditional glue adhesion and screw reinforcement method, after the rear cover 1 and the middle frame 2 are assembled, the four protection pieces 15 are respectively positioned at four corners of the rear cover 1 and the middle frame 2, and gaps (shown in figures 1 and 2) are reserved between the protection pieces 15 and the middle frame 2 at the moment to form a hollow structure, so that external impact on the corners of the mobile terminal can be greatly buffered, and the stability and firmness of the mobile terminal are effectively improved; when the mobile terminal is used, sound is transmitted outwards along the four groups of loudspeaker openings 24 towards the four protective sheets 15, and in the period, sound waves firstly reach gaps between the protective sheets 15 and the middle frame 2 and are blocked by the protective sheets 15 and then are reflected, so that the sound waves are transmitted to the front side and the rear side more intensively, and the situation that the sound is too dispersed is avoided, therefore, when the mobile terminal is used, a user can hear the sound more clearly, peripheral personnel can hear the sound more clearly, the sound playing effect is excellent, the stereoscopic impression and the immersion impression are better, and the mobile terminal has better sound effect compared with the traditional mobile terminal.
Further, as shown in fig. 3 and 4, the positioning end 12 is U-shaped, the two ends of the protection sheet 15 are both fixedly provided with the insertion sheet 13, the two insertion sheets 13 on the protection sheet 15 are respectively inserted into the inner sides of the U-shaped structures of the two positioning ends 12 at the two ends of the protection sheet 15, after the positioning ends 12 are clamped into the positioning slots 25, the inner walls of the positioning slots 25 generate extrusion force on the positioning ends 12, so that the U-shaped structures of the positioning ends 12 gather towards the middle, and the positioning ends 12 clamp the insertion sheets 13 more tightly, thereby realizing the fixation of the protection sheet 15, when the protection sheet 15 is damaged and needs to be removed and replaced, only the middle frame 2 and the rear cover 1 need to be removed (at this time, the positioning ends 12 are separated from the positioning slots 25), and then the two insertion sheets 13 on the protection sheet 15 which needs to be replaced are pulled out from the positioning ends 12, which is very convenient and preferable, the side walls of the insertion sheets 13 are provided with a plurality of protruding teeth, the inner sides of the U-shaped structures of the, through the joint cooperation of dogtooth and recess, increased the fastness that inserted sheet 13 inserted in location end 12, made inserted sheet 13 be difficult for extracting from location end 12 to have better stability.
Further, as shown in fig. 3-6, T-shaped clamping heads 14 are integrally arranged on both sides of the outer wall of the positioning end 12, T-shaped clamping grooves 26 are formed in both sides of the inner wall of the positioning groove 25, and the clamping heads 14 and the clamping grooves 26 are mutually clamped and matched when the positioning end 12 is clamped into the positioning groove 25, so that the clamping and matching between the middle frame 2 and the rear cover 1 is firmer and more reliable.
Further, as shown in fig. 10, the cross section of the guard plate 15 is arc-shaped, such shape is more smooth, and the hand feeling is better, a sound guide plate 16 is fixedly extended along the length direction of the guard plate 15, the side of the guard plate 15 close to the rear cover 1, the cross section of the sound guide plate 16 is fan-shaped, the sharp corner end of the fan-shaped structure faces the rear cover 1, preferably, the angle of the sharp corner of the fan-shaped structure of the cross section of the sound guide plate 16 is 135 °, the sound wave is reflected after contacting the sound guide plate 16, the slope surface of the sound guide plate 16 can reflect the sound wave at a larger angle, and a space similar to a horn shape is formed between the slope surface and the side wall of the middle frame 2 (the horn shape refers to the cross section, which is not shown), so that the sound transmission effect can be effectively enhanced.
Further, as shown in fig. 1-4, transition blocks 17 are disposed at positions where the outer side of the frame of the rear cover 1 clings to two ends of the protection sheet 15, the transition blocks 17 are in an arc slope shape, after the middle frame 2 and the rear cover 1 are assembled together, the transition blocks 17 cling to the outer side of the middle frame 2 at the same time, and the transition blocks 17 play roles in filling and transitioning the regions with uneven heights at the outer sides of the middle frame 2 and the rear cover 1, thereby significantly improving the hand feeling and the beauty.
Further, the protection sheet 15 comprises aluminum alloy layer and the rubber membrane of laminating at this aluminum alloy layer outer wall, and wherein the aluminum alloy layer has very strong shock-resistant ability, makes protection sheet 15 difficult fracture, and locates the outside rubber membrane of aluminum alloy layer and then can strengthen feeling, makes protection sheet 15 not press against the hand to the rubber membrane has still played further guard action.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a stable in structure is good mobile terminal of audio, includes back lid (1) and center (2), the integrative frame that is provided with forward arch all around of back lid (1), camera trompil (11) have still been seted up at its back, center (2) cover is in on the frame of back lid (1), charging socket trompil (21), volume key trompil (22), power key trompil (23) and a plurality of speaker trompil (24), its characterized in that have been seted up on center (2):
each corner of the frame of the rear cover (1) is integrally provided with two positioning ends (12), the two positioning ends (12) are symmetrically arranged on two edges of the corner respectively, a protection sheet (15) is connected between the end parts of the two positioning ends (12) at each corner, the protection sheet (15) is bent in an arc shape and covers the whole corner, and gaps are reserved between the four protection sheets (15) and the rear cover (1);
the middle frame (2) is provided with a plurality of positioning grooves (25) on one side combined with the rear cover (1), the positioning grooves (25) are in one-to-one correspondence with the positioning ends (12) in number and arrangement positions and are in clamping fit with the positioning ends, after the middle frame (2) is combined with the rear cover (1), the four protective sheets (15) are still in clearance with the middle frame (2), the speaker openings (24) are divided into four groups, the four groups are respectively arranged at four corners of the middle frame (2), and the four groups of the speaker openings (24) are in one-to-one correspondence with the four clearances reserved between the four protective sheets (15) and the middle frame (2).
2. The mobile terminal with stable structure and good sound effect as claimed in claim 1, wherein: the utility model discloses a safety protection device, including location end (12), both ends of protection piece (15) are all fixed and are provided with inserted sheet (13), two on protection piece (15) inserted sheet (13) insert respectively to being located two at protection piece (15) both ends the U type structure of location end (12) is inboard.
3. The mobile terminal with stable structure and good sound effect as claimed in claim 2, wherein: the lateral wall of inserted sheet (13) is equipped with a plurality of dogteeth, the inboard of location end (12) U type structure be equipped with a plurality of with the dogtooth matched with recess of inserted sheet (13).
4. The mobile terminal with stable structure and good sound effect as claimed in claim 1, wherein: the both sides of location end (12) outer wall all an organic whole be provided with dop (14) that are the T type, the both sides of constant head tank (25) inner wall all seted up with dop (14) joint complex and also be draw-in groove (26) of T type.
5. The mobile terminal with stable structure and good sound effect as claimed in claim 1, wherein: the cross section of the protection sheet (15) is arc-shaped, a sound guide sheet (16) is fixedly arranged on one side, close to the rear cover (1), of the protection sheet (15) in an extending mode along the length direction of the protection sheet, the cross section of the sound guide sheet (16) is fan-shaped, and the sharp-angle end of the fan-shaped structure faces towards the rear cover (1).
6. The mobile terminal with stable structure and good sound effect as claimed in claim 5, wherein: the angle range of the sharp corner of the fan-shaped structure of the cross section of the sound guide sheet (16) is as follows: 135-150 degrees.
7. The mobile terminal with stable structure and good sound effect as claimed in claim 1, wherein: transition blocks (17) are arranged at positions, close to two ends of the protective sheet (15), of the outer side of the frame of the rear cover (1), and the transition blocks (17) are in arc-shaped slope shapes.
8. The mobile terminal with stable structure and good sound effect as claimed in claim 1, wherein: the protective sheet (15) is composed of an aluminum alloy layer and a rubber film attached to the outer wall of the aluminum alloy layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011137980.1A CN112351127B (en) | 2020-10-22 | 2020-10-22 | Mobile terminal with stable structure and good sound effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011137980.1A CN112351127B (en) | 2020-10-22 | 2020-10-22 | Mobile terminal with stable structure and good sound effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112351127A true CN112351127A (en) | 2021-02-09 |
| CN112351127B CN112351127B (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011137980.1A Active CN112351127B (en) | 2020-10-22 | 2020-10-22 | Mobile terminal with stable structure and good sound effect |
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| Country | Link |
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| CN (1) | CN112351127B (en) |
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| Publication number | Publication date |
|---|---|
| CN112351127B (en) | 2022-04-29 |
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