CN202309803U

CN202309803U - Novel structure of middle-border bracket for mobile phones

Info

Publication number: CN202309803U
Application number: CN2011204256466U
Authority: CN
Inventors: 王亚榆; 简亚成; 伍维广
Original assignee: Fujian Shishi Tongda Electrical Appliance Co Ltd
Current assignee: Tongda (Shishi) Technology Co.,Ltd.
Priority date: 2011-10-31
Filing date: 2011-10-31
Publication date: 2012-07-04
Anticipated expiration: 2021-10-31

Abstract

The utility model discloses a novel structure of a middle-border bracket for mobile phones, which can be applied to a production process combining the machining of a milling machine with the die-casting molding through structure improvement. The middle-border bracket for mobile phones comprises a left outer border, a right outer border and a die-casting body, wherein the die-casting body is formed between the left outer border and the right outer border; the die-casting body comprises a plurality of left press-against parts, a plurality of right press-against parts and a connecting part; the left press-against parts are all connected with the left outer border and arranged in a mutually-disconnected shape; the right press-against parts are all connected with the right outer border and arranged in a mutually-disconnected shape; and the connecting part is used for connecting the left outer border with the right outer border. Compared with the prior art, the stresses of the press-against parts in the new structure disclosed by the utility model are mutually independent, therefore, the defect that the middle parts of the outer borders are protruded outwards because the stresses therein are overlarge can be avoided, namely, the new structure can be applicable to the production process above, thereby achieving an effect of improving the production efficiency.

Description

The new structure of frame bracket in a kind of mobile phone

Technical field

The utility model relates to the structure member in the mobile phone, relates to a kind of novel middle frame bracket of mobile phone in particular, and frame bracket is being guaranteed to play under the prerequisite of support effect in this, also has the high characteristics of the efficient of manufacturing.

Background technology

Present numerous top-grade consumption electron-like metal shell; Like the middle frame bracket of Iphone4 of U.S. Apple and Ipad2, all be to adopt fine aluminium section bar or stainless steel materials, and make it go out basic frame structure earlier through the CNC milling machine type of processing; It is frame body 9 shown in Figure 1; The supporting member 92 that this frame body 9 comprises housing 91 and is positioned at housing 91 inner edges carries out such as anodic oxidation, sandblasts and polishing the surface of this housing 91 again, thereby reaches the appearance design target of anticipation.

Wherein, for NC Milling workshop section, it is to adopt a complete section bar and carry out repeatedly after the operation and straight forming; Promptly this housing 91 is an integral structure with supporting member 92; Its required precision to process equipment is very high, and have the process-cycle long, waste of raw materials is big, fraction defective is high and defective such as processing cost height, in case it is big to run into certain product customer demand; Then be subject to output; So must be equipped with a large amount of CNC milling machine boards, so its needed early investment is very big, and medium-sized and small enterprises are hung back.

To the problems referred to above, once the someone think deeply adopt extrusion process carry out above-mentioned in the production of frame bracket, but almag/kirsite that die casting is come out; Its rough surface; And have defectives such as trachoma and impurity, in addition based on the characteristic of alloy, so can't use conventional gimmick; It is carried out high-quality surface treatment, promptly can't reach design and be willing to think.

Thus; The applicant has worked out and has a kind ofly combined milling machine processing and die cast and the technology of frame bracket in producing, promptly adopt the mode of milling machine processing to process respectively earlier need to possess high-quality apperance about two housings 91, then two housings 91 are inserted respectively in the relevant position of die casting; And through die casting die cast goes out supporting member 92; Behind cooling and cutting mouth of a river material, again two housings 91 are carried out surface treatment, so process finished product; Because the milling machine procedure of processing is less, it can improve working (machining) efficiency greatly.

But, in above-mentioned production technology, because this left and right sides housing is a solid members; And when die cast went out supporting member 92, it is solid-state that this supporting member 92 will be become by liquid state, because liquid state can shrink in solid-state process; So under the effect of internal stress; Can make the two ends of housing 91 all can receive the pulling force to the middle part direction, thereby let housing 91 middle parts be rendered as overshooting shape, the product of promptly producing is defective item.

In view of this, the inventor has this case to produce to the above-mentioned defective further investigation that exists in the above-mentioned technology then.

The utility model content

The purpose of the utility model is to provide the new structure of frame bracket in a kind of mobile phone; It is under the prerequisite that satisfies the effect of center stent support; Can also be directly applied for the production technology of above-mentioned combination milling machine processing and die cast, and can not have the defective of housing central protrusion.

In order to reach above-mentioned purpose, the solution of the utility model is:

The new structure of frame bracket in a kind of mobile phone; Wherein, Comprise left housing, right outer frame and be formed on the die casting body between left housing and the right outer frame that this die casting body has a plurality of left tops that all link to each other with left housing and be mutual disconnection shape, a plurality of all continuous with right outer frame and be the right top of mutual disconnection shape and the connecting portion that is used to be connected left housing and right outer frame.

Further, this left side housing and right outer frame all adopt stainless steel or aluminium material.

Further, this connecting portion is two of frame bracket both sides in being separately positioned on, and the two ends of this each connecting portion link to each other with a right top with a left top respectively.

Further, all be formed with the groove that confession links to each other with the die casting body on the inwall of this left side housing and right outer frame, this groove is outer narrow inner width shape.

After adopting said structure; The new structure of frame bracket in a kind of mobile phone that the utility model relates to; It compared with prior art because this die casting body is formed with a plurality of left tops and a plurality of right top, and is mutual disconnection shape between this each top; So the stress of each inside, top is independent mutually; Thereby can avoid the defective that causes the housing middle part outwards outstanding because internal stress is excessive, and then let milling machine processing and die cast process combined can produce qualified product, thereby play the effect of enhancing productivity.

Description of drawings

Fig. 1 is the structural representation of frame bracket in the mobile phone in the prior art;

The structural representation of the new structure of frame bracket in a kind of mobile phone that Fig. 2 relates to for the utility model;

Fig. 2 A is the cutaway view of A-A line among Fig. 2;

Fig. 2 B is the enlarged diagram of B portion among Fig. 2 A;

Fig. 3 is the schematic perspective view of frame bracket in the mobile phone shown in Figure 2;

Fig. 4 is the three-dimensional exploded view of frame bracket in the mobile phone shown in Figure 2.

Among the figure:

Embodiment

In order further to explain the technical scheme of the utility model, come the utility model is set forth in detail through specific embodiment below.

Extremely shown in Figure 4 like Fig. 2; It is the preferred embodiment of the new structure of frame bracket 100 in the utility model relates to a kind of mobile phone; Frame bracket 100 comprises left housing 1, right outer frame 2 and die casting body 3 in this mobile phone, and this left side housing 1 all adopts stainless steel in the present embodiment with right outer frame 2, and it can be substituted by aluminium material certainly; Concrete its is the mode moulding of adopting milling machine processing; 3 of this die casting bodies are formed between left housing 1 and the right outer frame 2, and it specifically is the mode moulding of adopting die cast, and after expect at the cutting mouth of a river and obtain.

Like Fig. 2, Fig. 3 and shown in Figure 4; The connecting portion 33 that this die casting body 3 has a plurality of left top 31, a plurality of right top 32 and is used to connect left housing 1 and right outer frame 2; These a plurality of left tops 31 all link to each other with left housing 1, and are mutual disconnection shape between these a plurality of left tops 31; Likewise, 32 of these a plurality of right tops all link to each other with right outer frame 2, and also are mutual disconnection shape between these a plurality of right tops 32.

Thus; The utility model compared with prior art; Because this die casting body 3 is formed with a plurality of left tops 31 and a plurality of right tops 32, and is mutual disconnection shape between this each top, so the stress of each inside, top is independent mutually; Promptly can not form a stronger power as each stress mutual superposition of prior art; Thereby can avoid the defective that causes the housing middle part outwards outstanding because internal stress is excessive, and then let milling machine processing and die cast process combined can produce qualified product, thereby play the effect of enhancing productivity.

Concrete, this connecting portion 33 is two of frame bracket both sides in being separately positioned on, the two ends of this each connecting portion 33 link to each other with a right top 32 with a left top 31 respectively.

Preferably; Shown in Fig. 2 A and Fig. 2 B, deviate from right outer frame 2 from left housing 1 for fear of die casting body 3, all be formed with groove 4 on the inwall of this left side housing 1 and right outer frame 2; Shape ground die casting liquid entering for liquid in this groove 4; Then let die casting body 3 link to each other with right outer frame 2 with left housing 1 after cooling, for die casting body 3 can firmly be linked to each other with right outer frame 2 with left housing 1, this groove 4 is outer narrow inner width shape; So being positioned at 3 inner of die casting bodies of groove 4 can't come out from the opening part of groove 4, so let be connected between die casting body 3 and left housing 1 and the right outer frame 2 quite firm.

The core of the utility model is; It is separate a plurality of through left housing 1 and top on the right outer frame 2 all are split as; Thereby disperse the inner stress in top; Reach the effect of avoiding left housing 1 and right outer frame 2 central protrusion, and then above-mentioned technology can be realized, and reduce production costs greatly and enhance productivity greatly.

Product form of the foregoing description and graphic and non-limiting the utility model and style, the those of ordinary skill of any affiliated technical field all should be regarded as not breaking away from the patent category of the utility model to its suitable variation or modification of doing.

Claims

1. the new structure of frame bracket in the mobile phone; It is characterized in that; Comprise left housing, right outer frame and be formed on the die casting body between left housing and the right outer frame that this die casting body has a plurality of left tops that all link to each other with left housing and be mutual disconnection shape, a plurality of all continuous with right outer frame and be the right top of mutual disconnection shape and the connecting portion that is used to be connected left housing and right outer frame.

2. the new structure of frame bracket is characterized in that in a kind of mobile phone as claimed in claim 1, and this left side housing and right outer frame all adopt stainless steel or aluminium material.

3. the new structure of frame bracket is characterized in that in a kind of mobile phone as claimed in claim 1, and this connecting portion is two of frame bracket both sides in being separately positioned on, and the two ends of this each connecting portion link to each other with a right top with a left top respectively.

4. the new structure of frame bracket is characterized in that in a kind of mobile phone as claimed in claim 1, all is formed with the groove that confession links to each other with the die casting body on the inwall of this left side housing and right outer frame, and this groove is outer narrow inner width shape.