Improved structure of mobile phone middle frame

Abstract

The utility model discloses an improved structure of a mobile phone middle frame, comprising a middle frame body, a horn plastic support and a receiver plastic support, the front and rear sides of the middle frame body are fixedly connected with an outer frame, the outer wall of the left side of the outer frame is provided with an inwardly recessed plugging groove, and the outer wall of the right side of the middle frame body is vertically and symmetrically provided with a plurality of groups of connecting grooves. The inner wall of the middle frame body is fixedly connected with a plurality of telescopic positioning mechanisms, the side, close to the middle frame body, of the loudspeaker plastic support is correspondingly connected with a fixing clamping plate, the fixing clamping plate is clamped in the inserting groove, and the outer wall of the side, close to the middle frame body, of the receiver plastic support is connected with a plurality of sets of connecting lugs. And the connecting lugs extend into the connecting grooves. The utility model solves the problems that the production process of the middle frame is complicated, the production efficiency is low, and when one of the receiver plastic bracket and the horn plastic bracket has defects, the whole middle frame is abandoned, the yield is reduced, and the production cost is increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cell -phone technical field especially relates to a cell -phone middle frame improved structure. BACKGROUND

[0002] The cell -phone middle frame is the internal frame of cell -phone, is also the installation platform of cell -phone internal element, and the existing cell -phone middle frame is integrated with the middle frame of aluminium alloy material through the injection molding of earphone plastic support and loudspeaker plastic support.

[0003] However, the prior art has some problems: the process is complex when the middle frame is produced, the production efficiency is low, and when one of the earphone plastic support or the loudspeaker plastic support has a defect, the whole middle frame will be scrapped, the yield is reduced, and the production cost is high, therefore we propose a cell -phone middle frame improved structure. UTILITY MODEL CONTENTS

[0004] In view of the above technical problems, the utility model provides a cell -phone middle frame improved structure, solves the process that the middle frame is complex when producing, the production efficiency is low, and when one of the earphone plastic support or the loudspeaker plastic support has a defect, the whole middle frame will be scrapped, the yield is reduced, and the production cost is high.

[0005] The utility model is such implementation, a cell -phone middle frame improved structure, including the middle frame body, loudspeaker plastic support and earphone plastic support, loudspeaker plastic support and earphone plastic support are connected in the left and right sides of frame body respectively, the outer frame is fixedly connected in the front and rear sides of middle frame body, the left side outer wall of outer frame is equipped with the plug -in groove that is recessed inwards, the outer wall on the right side of middle frame body is equipped with multiple sets of connecting slots that are symmetrical, the inner wall of middle frame body is equipped with multiple through -holes, and the both ends of through -hole are communicated with connecting slot respectively, a plurality of telescopic positioning mechanisms are fixedly connected in the inside of through -hole, the positioning mechanism is located between connecting slot, and the telescopic end of positioning mechanism extends to the inside of connecting slot respectively, connecting slot is half -circular arrangement, the side close to the middle frame body of loudspeaker plastic support is correspondingly connected with fixed clamping plate, and fixed clamping plate is clamped in the inside of plug -in groove, and loudspeaker plastic support is fixedly connected with middle frame body through fixed clamping plate, the outer wall of the side close to the middle frame body of earphone plastic support is connected with multiple sets of connecting ears, and connecting ear extends into the inside of connecting slot, the outer wall of connecting ear is equipped with limiting hole, and connecting ear is fixedly connected in the inside of connecting slot through the positioning mechanism that extends into the limiting hole, and earphone plastic support is fixedly connected with middle frame body through connecting ear.

[0006] As the utility model is preferred, the outer wall of outer frame is equipped with the clamping slot, the cross section of clamping slot is trapezoidal arrangement, the clamping slot is located at the outside of plug -in groove, and the clamping slot is communicated with plug -in groove.

[0007] As the utility model is preferred, one end surface of the guiding block not in contact with the inner wall of the plug-in groove is provided with an inclined surface.

[0008] As the utility model is preferred, the middle part of the fixed clamping plate is provided with a protruding part, the protruding part is arranged in a trapezoidal shape, and the protruding part is engaged with the clamping groove.

[0009] As the utility model is preferred, one side outer wall of the fixed clamping plate corresponding to each other is fixedly connected with a fixed block, the fixed block is located at the left side of the protruding part, and the opposite side of the fixed clamping plate is provided with an inclined platform.

[0010] As the utility model is preferred, the positioning mechanism comprises an outer cylinder, the two end surfaces of the outer cylinder are provided with inwardly recessed expansion holes, the expansion holes are connected with expansion shafts, one end of the expansion shaft located in the expansion hole is fixedly connected with a limiting block, the other end of the limiting block is connected with a spring, the other end of the spring is connected with the inner wall of the stepped hole, and one end of the expansion shaft extending out of the stepped hole extends into the limiting hole.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1、The loudspeaker plastic support is clamped into the plug-in groove through the fixed clamping plate, so that the loudspeaker plastic support and the middle frame body can be conveniently disassembled and installed, the connecting lug is inserted into the connecting groove between the earpieces, the connecting lug is fixed by the positioning mechanism, the earpieces and the middle frame body can be conveniently disassembled and installed, the loudspeaker plastic part, the earpiece plastic part and the middle frame body are respectively injection molded, when one of the loudspeaker plastic support and the earpiece plastic part is defective, the whole middle frame will be discarded, the yield is reduced, and the problem of high production cost is solved.

[0013] 2、The fixed clamping plate extends into the plug-in groove, one end provided with an inclined platform is in contact with the guiding block, the fixed clamping plate is guided at one end extending into the plug-in groove through the inclined surface of the guiding block, the protruding part extends into the clamping groove, the fixed block extends into the plug-in groove and is in contact with the inner wall of the outer frame during the process that the protruding part extends into the clamping groove, the fixed clamping plate is clamped in the plug-in groove, and the loudspeaker plastic part and the middle frame body can be conveniently disassembled and installed.

[0014] 3、When the cylinder plastic support and the middle frame body are installed, the connecting lug extends into the connecting groove and is in contact with the expansion block, the expansion block is driven by the force, the limiting block is driven by the expansion block, the spring is retracted into the stepped hole, the expansion shaft extends into the expansion hole, the spring rebounds when the limiting hole corresponds to the expansion hole, the expansion shaft extends into the limiting hole, the connecting lug is limited and fixed, and the earpiece plastic support and the middle frame body can be conveniently disassembled and installed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view provided by the embodiment of the utility model;

[0016] Figure 2 is a connection schematic view of the loudspeaker plastic support, the earpiece plastic support and the middle frame body provided by the embodiment of the utility model;

[0017] Figure 3 is a cross-sectional schematic view of the middle frame body provided by the embodiment of the utility model;

[0018] Figure 4 is a side schematic view of the middle frame body provided by the embodiment of the utility model;

[0019] Figure 5 is a cross-sectional schematic view of the positioning mechanism provided by the embodiment of the utility model.

[0020] In the drawing: 1, loudspeaker plastic support; 2, middle frame body; 3, earpiece plastic support; 5, fixed clamping plate; 21, outer frame; 22, connecting groove; 23, positioning mechanism; 24, through hole; 31, connecting lug; 51, fixed block; 52, protruding part; 53, inclined table surface; 211, plug-in groove; 212, clamping groove; 213, guide block; 231, outer cylinder; 232, telescopic shaft; 233, limiting block; 234, spring; 235, telescopic hole; 311, limiting hole. Specific implementation

[0021] In order to further understand the utility model content, characteristics and efficacy of the utility model, the following examples are cited, and the following is described in detail with the help of the drawings.

[0022] The structure of the utility model is described in detail below in combination with the drawings.

[0023] Embodiment 1:

[0024] As Figure 1 and Figure 4The utility model discloses a kind of mobile phone middle frame improved structure, including middle frame body 2, loudspeaker plastic support 1 and earpiece plastic support 3, it is characterized by: the loudspeaker plastic support 1 and earpiece plastic support 3 are respectively connected in the left and right sides of frame body, the middle frame body 2 front and rear sides are fixedly connected with outer frame 21, the left side outer wall of outer frame 21 is equipped with the plug-in slot 211 that is recessed inward, the right side outer wall of middle frame body 2 is equipped with multiple groups of connecting grooves 22 symmetrically, the inner wall of middle frame body 2 is equipped with multiple through holes 24, the both ends of through hole 24 are communicated with connecting groove 22 respectively, multiple telescopic positioning mechanisms 23 are fixedly connected in through hole 24, the positioning mechanism 23 is located between connecting groove 22, and the telescopic end of positioning mechanism 23 extends to the inside of connecting groove 22 respectively, connecting groove 22 is arranged in semicircle, the side of loudspeaker plastic support 1 close to middle frame body 2 is correspondingly connected with fixed clamping plate 5, fixed clamping plate 5 is clamped in plug-in slot 211, loudspeaker plastic support 1 is fixedly connected with middle frame body 2 by fixed clamping plate 5, the side outer wall of earpiece plastic support 3 close to middle frame body 2 is connected with multiple groups of connecting ears 31, connecting ear 31 extends into connecting groove 22, limiting hole 311 is equipped in the outer wall of connecting ear 31, connecting ear 31 is fixedly connected in connecting groove 22 by positioning mechanism 23 extending into limiting hole 311, and earpiece plastic support 3 is fixedly connected with middle frame body 2 by connecting ear 31;Loudspeaker plastic support 1 is clamped into plug-in slot 211 by fixed clamping plate 5, facilitate loudspeaker plastic support 1 and middle frame body 2 between dismounting installation, earpiece plastic is extended into connecting groove 22 by connecting ear 31, fixed by positioning mechanism 23 to connecting ear 31, facilitate earpiece plastic and middle frame body 2 between dismounting installation, avoid loudspeaker plastic support 1 or earpiece plastic one of them appears flaw, entire middle frame will be discarded, reduce the yield, increase the problem of high production cost.

[0025] As Figures 2-3As shown, the outer wall of the outer frame 21 is provided with a clamping groove 212, which is arranged in a trapezoidal shape in cross section, the clamping groove 212 is located outside the plug-in slot 211, and the clamping groove 212 is in communication with the plug-in slot 211; the plug-in slot 211 is fixedly connected with a guide block 213 inside, one end surface of the guide block 213 not in contact with the inner wall of the plug-in slot 211 is provided with an inclined surface; the middle part of the fixed clamping plate 5 is provided with a protruding part 52, which is arranged in a trapezoidal shape, and the protruding part 52 is fitted with the clamping groove 212; the outer wall of one side of the fixed clamping plate 5 corresponding to each other is fixedly connected with a fixed block 51, the fixed block 51 is located on the left side of the protruding part 52, and the opposite side of the fixed clamping plate 5 is provided with an inclined platform 53; the fixed clamping plate 5 extends into the plug-in slot 211, so that the end provided with the inclined platform 53 is in contact with the guide block 213, and through the inclined surface provided on the guide block 213, the end of the fixed clamping plate 5 extending into the plug-in slot 211 is guided, the protruding part 52 is extended into the clamping groove 212, and during the process of extending the protruding part 52 into the clamping groove 212, the fixed block 51 is extended into the plug-in slot 211 and in contact with the inner wall of the outer frame 21, so as to realize the clamping of the fixed clamping plate 5 in the plug-in slot 211, and facilitate the disassembly and installation of the loudspeaker plastic and the middle frame body 2.

[0026] As Figure 5 shown, the positioning mechanism 23 includes an outer cylinder 231, both end surfaces of the outer cylinder 231 are provided with an inwardly recessed telescopic hole 235, both inside of the telescopic hole 235 are connected with a telescopic shaft 232, one end of the telescopic shaft 232 fixedly connected with a limiting block 233 inside the telescopic hole 235, the other end of the limiting block 233 is connected with a spring 234, the other end of the spring 234 is connected with the inner wall of the stepped hole, and one end of the telescopic shaft 232 extending out of the stepped hole extends into the limiting hole 311; when the cylinder plastic support and the middle frame body 2 are installed, the connecting lug 31 is extended into the connecting groove 22 and in contact with the telescopic block, the telescopic block is driven by the limiting block 233 under the influence of force, the limiting block 233 drives the spring 234 to shrink into the stepped hole, which is convenient for the telescopic shaft 232 to extend into the telescopic hole 235, when the limiting hole 311 corresponds to the telescopic hole 235, the spring 234 rebounds, so that the telescopic shaft 232 extends into the limiting hole 311 and limits the connecting lug 31, which is convenient for the disassembly and installation of the earphone plastic support 3 and the middle frame body 2.

[0027] The working principle of embodiment 1 is as follows:

[0028] In use, the fixed clamping plate 5 extends into the insertion slot 211, so that one end provided with the inclined surface 53 is in contact with the guide block 213, and through the lower inclined surface provided on the guide block 213, the end of the fixed clamping plate 5 extending into the insertion slot 211 is guided, the protruding part 52 is conveniently extended into the clamping slot 212, and during the process of the protruding part 52 extending into the clamping slot 212, the fixed block 51 extends into the insertion slot 211 and is in contact with the inner wall of the outer frame 21, so as to realize the clamping of the fixed clamping plate 5 in the insertion slot 211, facilitating the dismounting and mounting of the loudspeaker plastic and the middle frame body 2, when the cylinder plastic support and the middle frame body 2 are mounted, the connecting lug 31 extends into the connecting slot 22 and is in contact with the telescopic block, the telescopic block is driven by the force to drive the limiting block 233, the limiting block 233 drives the spring 234 to shrink into the step hole, facilitating the telescopic shaft 232 to extend into the telescopic hole 235, when the limiting hole 311 corresponds to the telescopic hole 235, the spring 234 rebounds, so that the telescopic shaft 232 extends into the limiting hole 311, limiting and fixing the connecting lug 31, facilitating the dismounting and mounting of the earphone plastic support 3 and the middle frame body 2; when one of the earphone plastic support 3 or the loudspeaker plastic support 1 is defective, it only needs to be replaced, thereby reducing the production cost and improving the yield.

[0029] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An improved structure for a mobile phone mid-frame, comprising a mid-frame body (2), a speaker plastic bracket (1), and an earpiece plastic bracket (3), characterized in that: The speaker plastic bracket (1) and the earpiece plastic bracket (3) are respectively connected to the left and right sides of the frame body. The outer frame (21) is fixedly connected to the front and rear sides of the middle frame body (2). The outer wall of the outer frame (21) is provided with an inwardly recessed insertion groove (211). The outer wall of the middle frame body (2) is provided with multiple sets of connecting grooves (22) symmetrically arranged on the upper and lower sides of the right outer wall. The inner wall of the middle frame body (2) is provided with multiple through holes (24). The two ends of the through holes (24) are respectively connected to the connecting grooves (22). Multiple retractable positioning mechanisms (23) are fixedly connected inside the through holes (24). The positioning mechanisms (23) are located between the connecting grooves (22), and the telescopic ends of the positioning mechanisms (23) extend into the interior of the connecting grooves (22). The connecting grooves (22) are semi-circular. The speaker plastic bracket (1) is connected to a fixing plate (5) on the side near the middle frame body (2). The fixing plate (5) is snapped into the insertion slot (211). The speaker plastic bracket (1) is fixedly connected to the middle frame body (2) through the fixing plate (5). The earpiece plastic bracket (3) has multiple sets of connecting ears (31) connected to the outer wall of the side near the middle frame body (2). The connecting ears (31) extend into the connecting groove (22). The outer wall of the connecting ears (31) is provided with a limiting hole (311). The connecting ears (31) are fixedly connected to the connecting groove (22) through the positioning mechanism (23) extending into the limiting hole (311). The earpiece plastic bracket (3) is fixedly connected to the middle frame body (2) through the connecting ears (31).

2. The improved mobile phone frame structure as described in claim 1, characterized in that: The outer wall of the outer frame (21) is provided with a slot (212), the slot (212) has a trapezoidal cross-section, the slot (212) is located outside the insertion slot (211), and the slot (212) is connected to the insertion slot (211).

3. The improved mobile phone frame structure as described in claim 2, characterized in that: A guide block (213) is fixedly connected inside the insertion slot (211), and the end face of the guide block (213) that does not contact the inner wall of the insertion slot (211) has a downward inclined surface.

4. The improved mobile phone frame structure as described in claim 1, characterized in that: The middle part of the fixed plate (5) is provided with a protrusion (52), which is arranged in a trapezoidal shape and fits into the slot (212).

5. The improved mobile phone frame structure as described in claim 4, characterized in that: A fixing block (51) is fixedly connected to the outer wall of the corresponding side of the fixing plate (5). The fixing block (51) is located on the left side of the protrusion (52). An inclined platform (53) is provided on the opposite side of the fixing plate (5).

6. The improved mobile phone frame structure as described in claim 1, characterized in that: The positioning mechanism (23) includes an outer cylinder (231), both ends of which are provided with inwardly recessed telescopic holes (235). Each telescopic hole (235) is connected to a telescopic shaft (232). One end of the telescopic shaft (232) located inside the telescopic hole (235) is fixedly connected to a limiting block (233), and the other end of the limiting block (233) is connected to a spring (234). The other end of the spring (234) is connected to the inner wall of the stepped hole. The end of the telescopic shaft (232) extending out of the stepped hole extends into the limiting hole (311).

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