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Mobile phone rear cover fixing device, mobile phone rear cover and mobile phone

A technology for the back cover and fixing device of a mobile phone, which is applied in the direction of the structure of the telephone, can solve the problems of inconvenient use and unfavorable long-term use, and achieve the effect of being conducive to long-term use and convenient opening or closing operations.

Active Publication Date: 2013-05-22
HUAQIN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the defect that the back cover of the mobile phone in the prior art is a buckle type, which is inconvenient to use and unfavorable for long-term use, and proposes a mobile phone back cover fixing device, a mobile phone back cover and a mobile phone, By setting a lower plate with a groove, a latch with meshing teeth is set in the groove, and the inner plate with gears is used to control the expansion and contraction of the clip to open or close the back cover of the mobile phone, making the opening or closing of the back cover of the mobile phone more convenient , and not easy to damage is conducive to long-term use

Method used

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  • Mobile phone rear cover fixing device, mobile phone rear cover and mobile phone
  • Mobile phone rear cover fixing device, mobile phone rear cover and mobile phone
  • Mobile phone rear cover fixing device, mobile phone rear cover and mobile phone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 As shown, the mobile phone rear cover fixing device of this embodiment includes a lower layer 1 provided with a groove 11, and the groove 11 accommodates two latches 2 and a gear 3, and the two latches 2 are respectively on one side. There are continuous meshing teeth. The gear 3 is arranged on the inner side of an inner disk 4 . The teeth of the gear 3 mesh with the meshing teeth of the two latches 2 at the same time.

[0027] Wherein, the lower plate 1 provided with the groove 11 is as figure 2 as shown, figure 2 The groove 11 is indicated by a shaded area in . The gear 3 and the inner disc 4 such as image 3 shown. Through the rotation of the inner disk 4 , the gear 3 will drive the meshing teeth and then drive the two latches 2 to translate in the groove 11 . The outward translation of the two latches 2 can play the role of clamping, thereby locking and fixing the back cover of the mobile phone, and the inward translation of the two latches 2...

Embodiment 2

[0030] Such as Figure 4 to Figure 5 As shown, the mobile phone rear cover of this embodiment includes the mobile phone rear cover fixing device of the first embodiment, and also includes a rear cover plate 6 . Wherein, the mobile phone back cover fixing device also includes an outer tray 5 integrally formed with the inner tray 4 , the outer tray 5 has a larger area than the inner tray 4 and is located outside the inner tray 4 . Such as Figure 5 As shown, the shape of the rear cover 6 matches the lower board 1 , and is fastened and fixed with the lower board 1 . The rear cover 6 is provided with a through hole 61 whose shape matches the inner tray 4 for nesting the inner tray 4 . The through hole 61 can just accommodate the inner disc 4 , and the outer disc 5 is set thinner, so that the outer disc 5 protrudes slightly, so that the user can rotate the outer disc 5 to control the expansion and contraction of the two latches 2 . The through hole 61 plays a certain role in lim...

Embodiment 3

[0032] Such as Figure 4 to Figure 6 As shown, the mobile phone of this embodiment includes the mobile phone rear cover fixing device of the first embodiment, and also includes a mobile phone side frame 7 and a rear cover 6 . Wherein, the mobile phone back cover fixing device also includes an outer tray 5 integrally formed with the inner tray 4 , the outer tray 5 has a larger area than the inner tray 4 and is located outside the inner tray 4 . The back cover 6 as Figure 5 As shown, there is a through hole 61 whose shape matches the inner disc 4 for nesting the inner disc 4 .

[0033] Such as Figure 6 As shown, the two sides of the mobile phone side frame 7 have a bolt hole 71 ( Figure 6 Indicated by the shaded part in the middle), the two bolt holes 71 are respectively used for the two latches 2 to pass through, the shape of the rear cover 6 matches the lower board 1, and the rear cover 6 is clamped with the lower board 1 fixed. When the two latches 2 pass through the ...

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Abstract

The invention discloses a mobile phone rear cover fixing device, a mobile phone rear cover and a mobile phone. The mobile phone rear cover fixing device comprises a lower layer plate provided with a groove, wherein two clamp bolts and a gear are arranged in the groove, one side of each clamp bolt is respectively provided with continuous meshing teeth, the gear is arranged on the inner side of an inner disc, and teeth of the gear are simultaneously meshed with the meshing teeth of the two clamp bolts. By means of the lower layer plate provided with the groove and the clamp bolts with the meshing teeth in the groove, the inner disc provided with the gear is utilized to control extension of the clamp bolts so as to open or close the mobile phone rear cover, opening or closing of the mobile phone rear cover are convenient, and the mobile phone rear cover fixing device, the mobile phone rear cover and the mobile phone are not easily damaged.

Description

technical field [0001] The invention relates to a mobile phone back cover fixing device, a mobile phone back cover and a mobile phone. Background technique [0002] At present, the back cover of the mobile phone mainly adopts a buckle type. Although the buckle-type back cover can fix the back cover more firmly and has a simple structure, the opening or closing of the back cover requires a lot of force from the user, which is very inconvenient. Moreover, after the snap-on back cover is opened many times, the buckle is easy to break or loosen. Once loose or broken, the snap-on back cover cannot be used, and the repair is also very cumbersome. Therefore, the buckle-type back cover fixed by the buckle is not conducive to long-term use. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the defect that the back cover of the mobile phone in the prior art is a buckle type, which is inconvenient to use and unfavorable fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M1/02
Inventor 颜永佳
Owner HUAQIN TECH CO LTD
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