WO2015103843A1 - 三防结构及使用该三防结构的手机 - Google Patents

三防结构及使用该三防结构的手机 Download PDF

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Publication number
WO2015103843A1
WO2015103843A1 PCT/CN2014/079276 CN2014079276W WO2015103843A1 WO 2015103843 A1 WO2015103843 A1 WO 2015103843A1 CN 2014079276 W CN2014079276 W CN 2014079276W WO 2015103843 A1 WO2015103843 A1 WO 2015103843A1
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WO
WIPO (PCT)
Prior art keywords
shell
protrusion
proof structure
groove
structure according
Prior art date
Application number
PCT/CN2014/079276
Other languages
English (en)
French (fr)
Inventor
马继东
陈东明
Original Assignee
深圳市宝尔爱迪科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市宝尔爱迪科技有限公司 filed Critical 深圳市宝尔爱迪科技有限公司
Priority to EP14878069.5A priority Critical patent/EP3099039B1/en
Publication of WO2015103843A1 publication Critical patent/WO2015103843A1/zh
Priority to US15/262,010 priority patent/US9794383B2/en

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Classifications

    • 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
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3888—Arrangements for carrying or protecting transceivers
    • 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

Definitions

  • the invention relates to a three-proof structure and a mobile phone using the same.
  • the three-proof mobile phone structure generally comprises a shell, a waterproof rubber ring and a rear shell, wherein the shell is provided with a shell soft rubber, and the shell soft rubber and the shell are formed by two colors.
  • the back shell is also provided with a back shell soft rubber, and the back shell soft rubber and the back shell are also formed in two colors, and the shell shell soft rubber and the back shell soft rubber together form a soft rubber surface, which is dropped on the mobile phone.
  • a groove is formed on the rear casing, and a waterproof rubber ring is assembled in the groove, and the surface shell presses the waterproof rubber ring through the fixing member. Connected to the back shell.
  • the mold structure is complicated, the mold manufacturing cost is high, and the requirements for the molding machine are also high, thereby The mobile phone manufacturing cost is improved;
  • the waterproof rubber ring is an independent full ring structure and has a small cross section, when assembling to the groove, the operation is inconvenient, and the consistency is poor, there is assembly deviation, and the waterproof effect is affected;
  • the waterproof rubber ring since the waterproof effect of the structure mainly depends on the degree of pressure sealing of the waterproof rubber ring and the front and rear shells, the waterproof rubber ring has manufacturing tolerances and assembly deviations, and therefore requires a large The interference is used to ensure the waterproof effect, so that
  • the assembly line is formed after the soft rubber of the shell and the soft rubber of the back shell are assembled, which affects the appearance.
  • the surface shell soft rubber and the back shell soft rubber only have buffering and shockproof effects
  • the waterproof rubber ring only has waterproof and dustproof effect, and both must be used simultaneously to achieve the three-proof effect.
  • the present invention is directed to the improvement of the above problems in the prior art, that is, the technical problem to be solved by the present invention is to provide a three-proof structure, which simultaneously achieves three anti-effects, reduces product development and manufacturing costs, and reduces assembly difficulty. At the same time, the assembly consistency is good, and the three-proof effect is more reliable.
  • the present invention adopts two kinds of three-proof structures on the same component, and solves the three-proof requirement of the product in different positions of the product, so that the scope of application of the invention is wider and more flexible.
  • Another technical problem to be solved by the present invention is to provide a mobile phone using the three-proof structure, which has a reduced manufacturing cost and an improved assembly production efficiency.
  • a three-proof structure comprising a front shell and a rear shell, the three-proof structure further comprising a middle shell, the front shell is provided with a protrusion, and the rear shell is provided with a protrusion,
  • the middle shell is a soft material, and a first groove is disposed corresponding to the protrusion of the front shell, and a second groove is disposed corresponding to the protrusion of the back shell, the protrusion and the first groove and the protrusion
  • the second recesses are all interference fits, and the front and rear shells are respectively assembled on the middle shell, the middle shell further includes a design surface, and the front and rear shells further comprise an outer surface, respectively The appearance surface protrudes from the outer surfaces of the front and rear cases.
  • the rear case further includes upper and lower ends, and the upper and lower ends adopt another waterproof structure, and the upper and lower ends are respectively provided with a recess, and the middle case also includes another upper and lower ends, and the other The upper and lower ends are strip-like structures assembled in the recess and assembled with an interference fit of the front shell.
  • a mobile phone adopting the above three anti-structure.
  • the shell is made of a soft material and protrudes from the outer surfaces of the front and rear shells, and has a cushioning and shockproof effect, so that the present invention adopts a single structure and simultaneously achieves a three-proof effect; further, the front shell, the middle shell and the rear The shells are all single materials, no need for two-color molding, saving mold development costs, ordinary monochrome molding machines can meet production requirements, thereby reducing product development and manufacturing costs; in the assembly process, because the middle shell is provided with grooves, the rear shell And the assembly of the front shell and the middle shell are both inserting and inserting, and the whole loop waterproof soft rubber with a smaller cross section is relatively simple and reliable compared with the prior art; at the same time, the middle shell is a soft material, and the middle middle part is assembled.
  • the back shell has an interference fit and tight connection
  • the rear casing recess and the middle shell strip structure are adopted, so that the invention achieves a better waterproof effect in a limited space.
  • FIG. 1 is an exploded view of a three-proof structure of the mobile phone of the present invention.
  • FIG 2 is an assembled view of the three-proof structure of the mobile phone of the present invention.
  • FIG. 3 is a cross-sectional view showing the assembly A-A of the three-proof structure of the mobile phone of the present invention.
  • FIG 4 is an enlarged view of a cross section "R" of the A-A cross-section of the three-proof structure of the mobile phone of the present invention.
  • Fig. 5 is an exploded view showing the structure of the enlarged view at "R".
  • Figure 6 is a cross-sectional view of the B-B assembly of the three-proof structure of the mobile phone of the present invention.
  • Figure 7 is an enlarged view of a cross-sectional view "S" of the B-B cross-sectional view of the three-proof structure assembly of the mobile phone of the present invention.
  • Figure 8 is an exploded view of the enlarged view of "S”.
  • Figure 9 is a cross-sectional view showing the assembly C-C of the three-proof structure of the mobile phone of the present invention.
  • a mobile phone three-proof structure embodiment includes a front case 1, a middle case 2 and a rear case 3.
  • the front case 1 and the rear case 3 are respectively assembled in the middle case. 2
  • the three-proof structure of the mobile phone includes left and right sides 60 and 61 and upper and lower ends 70 and 71, respectively, the left and right sides 60 and 61 and the upper and lower ends 70 and 71 respectively
  • Different waterproof structures are adopted to satisfy the problem that the left and right sides 60 and 61 have sufficient space and the upper and lower ends 70 and 71 have limited space.
  • FIGS. 3, 4 and 5 a schematic diagram of the three-side structure of the left and right sides 60 and 61 is provided.
  • the front shell 1 is provided with a protrusion 11 including a first top surface 11a.
  • a bump 31 is also disposed on the rear shell 3, and the bump 31 includes a second top surface 31a.
  • the middle shell 2 is made of a soft material, and the first recess 21 is opposite to the front shell protrusion 11 and is oppositely disposed.
  • the rear cover convex bag 31 is correspondingly provided with a second groove 22, the first groove 21 includes a first bottom surface 21a, and the second groove 22 includes a second bottom surface 22a, the first top surface 11a and the first surface
  • the bottom surface 21a and the second top surface 31a and the second bottom surface 22a are respectively interference fits 50a and 50b, and the two interference fits ensure waterproof and dustproof between the front and rear shells and the middle shell respectively;
  • the protrusion 11 further includes two opposite first side faces 11b.
  • the first side face 11b and the first groove 21 are provided with a gap 100a.
  • the protrusion 31 also includes two opposite second side faces 31b.
  • a gap 100b is also disposed between the side surface 31b and the second recess 22, whereby the protrusion 11 and the first recess 21 and the bump 31 and the second
  • the slots 22 are conveniently assembled and can be directly inserted, and the gaps 100a and 100b provide a deformation receiving space for the interference fits 50a and 50b, thereby making the deformation more reliable, improving the waterproof and dustproof effect, and at the same time
  • the middle case 2 further includes a design surface 25, and the front case 1 and the rear case 3 further include an outer surface 12 and 32, respectively.
  • the outer surfaces 12 and 32 are substantially in the same plane, and the appearance surface 25 is convex after assembly.
  • the middle shell 2 is better combined with the front shell 1 and the rear shell 3, and the partial structure of the middle shell 2 at the design surface 25 covers the outer surface 12 And 32, when the product falls, first contact with the middle shell appearance surface 25, which can effectively solve the problem of shockproof, and at the same time, the design surface 25 is also provided with a non-slip structure, which improves the user's hand feeling.
  • the front cover protrusions 11 and the rear case protrusions 31 are oppositely disposed, and the first groove 21 and the second groove 22 are also disposed opposite to each other, and the first groove 21 is oppositely disposed. Further including a space between the second groove 22, the protrusion 11 and the protrusion 31 jointly press the space, so that the protrusion 11 and the protrusion 31 are mutually in the process of co-extrusion Support each other to ensure that the interval deformation is effective.
  • the front housing 1 is further provided with at least four first positioning posts 16
  • the middle housing 2 is provided with a first positioning hole 26 equal in number to the first positioning post 16 , the first positioning post 16 and The first positioning holes 26 are oppositely positioned, and the first positioning post 16 is assembled with the first positioning hole 26 to position the assembly of the front case 1 and the middle case 2.
  • the rear case 3 is also provided with At least four second positioning posts 36
  • the middle casing 2 is also provided with an equal number of second positioning holes 27, the second positioning posts 36 are opposite to the second positioning holes 27, and the second positioning posts 36 are The second positioning holes 27 are assembled together to position the assembly of the rear case 3 and the middle case 2.
  • the rear case 3 further includes upper and lower ends 33 and 34, and the upper and lower ends 33 and 34 are respectively provided with a recess.
  • the middle casing 2 also includes another upper and lower ends 23 and 24, the other upper and lower ends 23 and 24 are strip-like structures, and the strip-like structure is assembled in the recess 35, and the front
  • the outer casing 1 is further assembled with an interference fit, which ensures waterproof and dustproof between the front shell 1 and the middle shell 2 and between the upper and lower ends of the middle shell 2 and the rear shell 3;
  • the front shell 1 also includes Upper and lower end structures 13 and 14, respectively, a rib 15 is disposed on the two end structures 13 and 14, and the rib 15 is assembled in the recess 35 and presses the strip structures 23 and 24 to form an interference
  • the ridges 15 are assembled in the recesses 35, the pressure and the reliable deformation of the strip structures 23 and 24 can be effectively ensured, thereby improving the waterproof and
  • the strip structures 23 and 24 further include two opposite side faces 23b, respectively, and the strip top surfaces 15a and the strip structures 23 and 24 are respectively an interference fit 50c And said two pairs of opposite sides 23b of the recess 35 is provided with a gap 100c, whereby the stripe structure 24 with the recesses 23 and 35 facilitate assembly.
  • the rear case 3 is further provided with at least four convex cylinders 38 .
  • the cylindrical body 38 is provided with a bolt through hole.
  • the cylindrical body 38 further includes an annular step structure 40 .
  • the middle shell 2 is provided with a ring 28 equal to the number of the cylinders corresponding to the cylindrical body 38.
  • the ring 28 is fitted on the annular step structure 40, and the front shell 1 is provided with
  • the rear case 3, the middle case 2, and the front case 1 are assembled by a bolt fixing connection with screw holes corresponding to the bolt through hole positions.
  • the three-proof structure of the invention mainly adopts the middle shell of the soft material to simultaneously realize the three-proof effect, reduces the product development cost, and at the same time generates the interference fit through reasonable structural design.
  • the elastic deformation provides the extrusion receiving space to ensure the deformation is reliable, and at the same time, the assembly convenience is fully considered in the structural design, and the production efficiency is improved.
  • the present invention also provides a three-proof new idea, that is, two kinds of three prevention methods are Combined application on the same three defense structures.
  • the interference fits 50a, 50b, and 50c constitute a waterproof and dustproof structure
  • the middle case 2 is made of a soft material and protrudes from the outer surfaces of the front case 1 and the rear case 3.
  • the first contact is the soft material of the middle shell, so as to have the shock-absorbing effect. Therefore, the present invention adopts a single middle-shell structure to simultaneously achieve the three-proof effect; meanwhile, the front shell 1, the middle shell 2 and the rear
  • the shell 3 is a single material, no two-color molding is required, and the ordinary monochrome molding machine can meet the production requirements, thereby reducing the product development and manufacturing cost; in the assembly process, the assembly is facilitated by the settings of the gaps 100a, 100b and 100c.
  • the assembly can be completed by inserting, and the operation process is simpler and more reliable than the one-way waterproof soft rubber with a smaller cross section than the prior art; in addition, the above interference fits 50a, 50b and 50c are convex and concave insertion manners, and The utility model has a certain insertion depth, so that the interference fit between the front middle and rear shells is tightly connected, and there is no gap.
  • the front and rear shells are simply pressed together, and the waterproof and dustproof effect is more reliable; came up with A new idea of three-proof structure design, that is, the combination of two waterproofing methods on the same three-proof structure.
  • the space is sufficient, the three-side structure of the left and right sides of the present embodiment is adopted, and when the space is limited, the Three anti-structures on the upper and lower sides.
  • the three-proof structure and a mobile phone using the three-proof structure are described in detail above with reference to the accompanying drawings, but the design idea of the present invention is not limited to the mobile phone field in the embodiment, and any housing between the three-proof design is required.
  • the invention can be changed and expanded by using the idea of the present invention.
  • the combination of the two three-proof structures of the present invention can be further extended to a combination of multiple three-proof structures.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Set Structure (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

本发明涉及一种三防结构及一种使用该三防结构的手机，该结构包括一前壳、一中壳及一后壳，所述前壳及后壳分别组装在中壳上，并通过固定连接件组装在一起，所述前壳上设置有一凸起，所述后壳上亦设置有一凸块，所述中壳为软性材质，且相对前壳凸起对应设置有第一凹槽，及相对后壳凸块对应设置有第二凹槽，所述凸起与第一凹槽及所述凸块与第二凹槽均为过盈配合进而防水防尘，进一步的，所述中壳还包括一外观面，所述前壳和后壳还分别包括一外表面，所述外观面凸出于所述前壳与后壳的外表面外，由于中壳为软性材质，在产品跌落时首先接触到所述外观面，进而起到缓冲防震作用，从而本发明采用单一中壳结构同时实现防水防尘防震的三防效果。

Description

三防结构及使用该三防结构的手机 技术领域
本发明涉及一种三防结构，以及一种使用该三防结构的手机。
 背景技术
近几年来，随着人们户外运动的增加，三防电子产品（防水、防尘、防震）得到越来越广泛的应用。现有技术中，三防手机结构通常包括一面壳、一防水胶圈及一后壳，所述面壳上设置有面壳软胶，所述面壳软胶与所述面壳双色成型，所述后壳上亦设置有后壳软胶，所述后壳软胶与所述后壳亦双色成型，所述面壳软胶和所述后壳软胶共同形成一软胶面，在手机跌落时起到缓冲防震的作用，同时，在所述后壳上还开设有一凹槽，所述防水胶圈组装在所述凹槽内，所述面壳压合所述防水胶圈，通过固定件与后壳连接在一起。在上述结构中，由于所述面壳软胶与面壳双色成型及所述后壳软胶与后壳双色成型，模具结构复杂，模具制造成本高，且对成型机的要求也较高，从而提升了手机制造成本；此外，因所述防水胶圈为独立整圈结构，且截面较小，在组装至所述凹槽时，操作不方便，且一致性差，存在组装偏差，影响防水效果；另，在防水密封性方面，由于该结构的防水效果主要取决于防水胶圈与前壳和后壳的压合密封程度，而所述防水胶圈存在制造公差及组装偏差，因此需要较大的过盈量来保证防水效果，从而壳体间需要更大的锁紧力，因此对壳体强度有比较高的要求，此外，面壳软胶及后壳软胶组装后存在组装线，影响外观，同时所述面壳软胶及后壳软胶仅具有缓冲防震作用，而所述防水胶圈仅具防水防尘作用，两者必须同时使用才能达到三防效果。
 技术问题
本发明针对上述现有技术存在的问题作出改进，即本发明要解决的技术问题是提供一种三防结构，该结构同时实现三防效果，并降低了产品开发制造成本，降低了组装难度，同时组装一致性好，且三防效果更为可靠。
进一步的，本发明于同一构件上采用两种三防结构，解决产品不同位置结构特点的三防需求，使得本发明适用范围更为广泛、灵活。
本发明要解决的另一个技术问题是，提供一种使用所述三防结构的手机，该手机制造成本降低，组装生产效率提升。
 技术解决方案
一种三防结构，该结构包括一前壳与一后壳，所述三防结构还包括一中壳，所述前壳上设置有一凸起，所述后壳上设置有一凸块，所述中壳为软性材质，且相对前壳凸起对应设置有第一凹槽，及相对后壳凸块对应设置有第二凹槽，所述凸起与第一凹槽及所述凸块与第二凹槽均为过盈配合，所述前壳及后壳分别组装在中壳上，所述中壳进一步包括一外观面，所述前壳与后壳进一步分别包括一外表面，所述外观面凸出于所述前壳与后壳的外表面外。
进一步的，所述后壳还包括上下两端，所述上下两端采用另一防水结构，所述上下两端分别设置有一凹陷，所述中壳亦包括另一上下两端，所述另一上下两端为条状结构，所述条状结构组装在所述凹陷内，与所述前壳过盈配合组装在一起。
一种手机，该手机采用上述三防结构。
 有益效果
由于所述中壳凹槽分别与所述前壳凸起和后壳凸块间为过盈配合，可有效实现所述中壳分别与前壳和后壳间的防水防尘，同时所述中壳为软性材质并凸出于所述前壳与后壳的外表面外，具有缓冲防震作用，从而本发明采用单一结构同时实现了三防效果；此外，所述前壳、中壳和后壳均为单一材质，无需双色成型，节省了模具开发成本，普通单色成型机即可满足生产要求，从而降低了产品开发制造成本；在组装工艺上，由于中壳设置有凹槽，后壳及前壳与中壳的组装均为对插方式，相对现有技术放置截面较小的整圈防水软胶，操作工艺更为简单可靠；同时所述中壳为软性材质，组装后前中后壳之间过盈配合紧密连接，没有间隙，且具有一定的对插深度，相较现有技术单纯为前后壳压合，防水防尘效果更为可靠。
进一步的，由于壳体两端空间较小，采用所述后壳凹陷与所述中壳条状结构方式，使本发明在有限空间中同样达到较佳防水效果。
附图说明
为了更清楚地说明本发明的技术方案，下面将结合附图对本发明作进一步的介绍。
图1是本发明手机三防结构壳体爆炸图。
图2是本发明手机三防结构组装图。
图3是本发明手机三防结构组装A-A剖视图。
图4是本发明手机三防结构组装A-A剖视“R”处放大图。
图5是“R”处放大图结构分解图。
图6是本发明手机三防结构组装 B-B剖视图。
图7是本发明手机三防结构组装 B-B剖视图“S”处放大图。
图8是“S”处放大图结构分解图。
图9是本发明手机三防结构组装C-C剖视图。
 本发明的实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图及具体实施例对本发明三防结构及使用该三防结构的手机作进一步说明。
请参照附图1和2，为一手机三防结构实施例，所述手机包括一前壳1、一中壳2和一后壳3，所述前壳1及后壳3分别组装在中壳2上，并通过固定连接件组装在一起，所述手机三防结构分别包括左右两侧60和61及上下两端70和71，所述左右两侧60和61及上下两端70和71分别采用不同防水结构，以满足左右两侧60和61空间充分而上下两端70和71空间受限的问题。
请参照附图3、4和5，为所述左右两侧60和61三防结构示意图，所述前壳1上设置有一凸起11，所述凸起11包括第一顶面11a，所述后壳3上亦设置有一凸块31，所述凸块31包括第二顶面31a，所述中壳2为软性材质，且相对前壳凸起11对应设置有第一凹槽21及相对后壳凸包31对应设置有第二凹槽22，所述第一凹槽21包括第一底面21a,所述第二凹槽22包括第二底面22a,所述第一顶面11a与第一底面21a及第二顶面31a与第二底面22a分别为过盈配合50a和50b，所述两处过盈配合，分别确保前壳和后壳与中壳间的防水防尘；进一步的，所述凸起11还包括两对置第一侧面11b，所述第一侧面11b与所述第一凹槽21间设置有间隙100a，所述凸块31同样包括两对置第二侧面31b，同样的，所述侧面31b与所述第二凹槽22间亦对应设置有一间隙100b，由此所述凸起11与所述第一凹槽21及所述凸块31与所述第二凹槽22间组装便利，可以直接对插，同时所述间隙100a和100b为所述过盈配合50a和50b提供了变形受让空间，从而使得变形更为可靠，提升防水防尘效果，同时，所述中壳2进一步包括一外观面25，所述前壳1与后壳3进一步分别包括一外表面12和32，所外表面12与32大致位于同一平面，组装后所述外观面25凸出于外表面12与32所构成的平面之外，同时为使中壳2更好的与前壳1及后壳3结合，中壳2于外观面25处的部分结构包覆所述外表面12及32，当产品跌落时，首先接触到中壳外观面25，可有效解决防震的问题，同时在所述外观面25上还设置有防滑结构，提升了使用者的手感。
优选的，所述前壳凸起11及所述后壳凸块31位置相对设置，所述第一凹槽21及第二凹槽22位置亦相对设置而非错开，所述第一凹槽21和第二凹槽22间进一步包括一间隔，所述凸起11和所述凸块31共同挤压所述间隔，从而在共同挤压过程中，所述凸起11和所述凸块31彼此互为支撑，更加保证间隔形变有效。
所述前壳1上进一步设置有至少四个第一定位柱16，所述中壳2上则设置有与第一定位柱16数量相等的第一定位孔26，所述第一定位柱16与第一定位孔26位置相对，且第一定位柱16与第一定位孔26组装在一起，对前壳1与中壳2的组装起定位作用，进一步的，所述后壳3上亦设置有至少四个第二定位柱36，所述中壳2上亦设置有数量相等的第二定位孔27，所述第二定位柱36与第二定位孔27位置相对，且第二定位柱36与第二定位孔27组装在一起，对后壳3与中壳2的组装其定位作用。
请参照附图6、7和8，为所述上下两端70和71三防结构示意图，所述后壳3还包括上下两端33和34，所述上下两端33和34分别设置有一凹陷35，所述中壳2亦包括另一上下两端23和24，所述另一上下两端23和24为条状结构，所述条状结构组装在所述凹陷35内，与所述前壳1进一步组装时过盈配合，此过盈配合确保了前壳1和中壳2间及中壳2和后壳3上下两端间的防水防尘；进一步的，所述前壳1亦包括上下两端结构13和14，所述两端结构13和14上分别设置有一凸条15，所述凸条15组装在所述凹陷35内并压合所述条状结构23和24形成过盈配合，由于凸条15组装在所述凹陷35内，可以有效保证条状结构23和24的受压和可靠形变，从而提升防水防尘效果；所述凸条15还包括一顶面15a，所述条状结构23和24还分别包括两对置侧面23b，所述凸条顶面15a与所述条状结构23和24分别为过盈配合50c，而所述两对置侧面23b与所述凹陷35间设置有间隙100c，由此条状结构23和24与所述凹陷35组装便利。
请参照附图9，所述后壳3上还设置有至少四个凸起圆柱体38，所述圆柱体38上开设有螺栓过孔，所述圆柱体38还进一步包括一环形台阶结构40，所述中壳2对应上述圆柱体38位置设置有与所述圆柱体数量相等的圆环28，所述圆环28套装在所述环形台阶结构40上，而所述前壳1上则设置有与所述螺栓过孔位置对应且数量相等的螺丝孔，所述后壳3、中壳2及前壳1通过螺栓固定连接组装在一起。
无论是所述具体实施例还是上述结构的变化，本发明三防结构主要是采用软性材质的中壳同时实现三防效果，减少产品开发成本，同时通过合理的结构设计，为过盈配合产生的弹性形变提供挤压受让空间，确保形变可靠，同时在结构设计上充分考虑装配便利性，提升生产效率，此外，本发明还提供了一种三防新思路，即两种三防方式在同一三防结构上的结合应用。
本实施例中，所述过盈配合50a、50b及50c构成了防水防尘结构，而所述中壳2为软性材质并并凸出于所述前壳1与后壳3的外表面外，当手机跌落时首先接触的是中壳软性材质，从而具有缓冲防震作用，因此，本发明采用单一中壳结构同时实现了三防效果；同时，所述前壳1、中壳2和后壳3均为单一材质，无需双色成型，普通单色成型机即可满足生产要求，从而降低了产品开发制造成本；在组装工艺上，由于所述间隙100a、100b及100c的设置，使得组装便利，对插即可完成组装，相较现有技术放置截面较小的整圈防水软胶，操作工艺更为简单可靠；此外，上述过盈配合50a、50b及50c均为凸凹对插方式，且具有一定的对插深度，从而组装后前中后壳之间过盈配合紧密连接，没有间隙，相较现有技术单纯为前后壳压合，防水防尘效果更为可靠；此外，本发明还提出了一种三防结构设计新思路，即两种防水方式在同一三防结构上的结合使用，当空间足够时，采用本实施例左右两侧三防结构，当空间受限时，则采用所述上下两侧三防结构。
以上结合附图详细描述了一种三防结构及一种使用该三防结构的手机，但是本发明的设计思路并不局限于实施例所述手机领域，任何需要进行三防设计的壳体间都可以使用本发明的思路进行变化及拓展，此外，本发明所述两种三防结构的结合使用，也可进一步拓展至多种三防结构的结合。

Claims (12)

  1. 一种三防结构，该结构包括一前壳与一后壳，其特征在于：所述三防结构还包括一中壳，所述前壳上设置有一凸起，所述后壳上设置有一凸块，所述中壳为软性材质，且相对前壳凸起对应设置有第一凹槽，及相对后壳凸块对应设置有第二凹槽，所述凸起与第一凹槽及所述凸块与第二凹槽均为过盈配合，所述前壳及后壳分别组装在中壳上，所述中壳进一步包括一外观面，所述前壳与后壳进一步分别包括一外表面，所述外观面凸出于所述前壳与后壳的外表面外。
  2. 如权利要求1所述的三防结构，其特征在于：所述后壳还包括上下两端，所述上下两端采用另一防水结构，所述上下两端分别设置有一凹陷，所述中壳亦包括另一上下两端，所述另一上下两端为条状结构，所述条状结构组装在所述凹陷内，与所述前壳过盈配合组装在一起。
  3. 如权利要求2所述的三防结构，其特征在于：所述前壳亦包括上下两端结构，所述两端结构上分别设置有一凸条，所述凸条组装在所述凹陷内并与所述条状结构过盈配合。
  4. 如权利要求3所述的三防结构，其特征在于：所述凸条还包括一顶面，所述条状结构还包括两对置侧面，所述凸条顶面与所述条状结构过盈配合，而所述两对置侧面与所述凹陷间设置有间隙。
  5. 如权利要求1所述的三防结构，其特征在于：所述中壳外观面上设置有防滑结构。
  6. 如权利要求1所述的三防结构，其特征在于：所述凸起包括一第一顶面，所述凸块包括一第二顶面，所述第一凹槽包括一第一底面，所述第二凹槽包括一第二底面，所述凸起第一顶面与所述凹槽第一底面过盈配合，所述凸块第二顶面与所述凹槽第二底面过盈配合。
  7. 如权利要求6所述的三防结构，其特征在于：所述凸起还包括两对置第一侧面，所述第一侧面与所述第一凹槽间设置有间隙，所述凸块亦包括两对置第二侧面，所述第二侧面与所述第二凹槽间亦设置有间隙。
  8. 如权利要求7所述的三防结构，其特征在于：所述凸起及所述凸块位置相对设置，所述第一凹槽及第二凹槽位置亦相对设置，所述第一凹槽和第二凹槽间还包括一间隔，所述凸起和所述凸块共同挤压所述间隔形成过盈配合。
  9. 如权利要求1所述的三防结构，其特征在于：所述前壳上进一步设置有至少四个第一定位柱，所述中壳上则设置有与第一定位柱数量相等的第一定位孔，所述第一定位柱与第一定位孔位置相对，且第一定位柱与第一定位孔组装在一起。
  10. 如权利要求9所述的三防结构，其特征在于：所述后壳上亦设置有至少四个第二定位柱，所述中壳上亦设置有数量相等的第二定位孔，所述第二定位柱与第二定位孔位置相对，且第二定位柱与第二定位孔组装在一起。
  11. 如权利要求1所述的三防结构，其特征在于：所述后壳上还设置有至少四个凸起圆柱体，所述圆柱体上开设有螺栓过孔，所述圆柱体还进一步包括一环形台阶结构，所述中壳上对应上述圆柱体位置设置有与所述圆柱体数量相等的圆环，所述圆环套装在所述环形台阶结构上，而所述前壳上则设置有与所述螺栓过孔位置对应且数量相等的螺丝孔，所述后壳、中壳及前壳通过螺栓固定连接。
  12. 一种手机，其特征在于：使用如权利要求1至11任一项所述的三防结构。
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