WO2016000519A1 - 射频模块防水结构及具有该射频模块防水结构的射频模块 - Google Patents

射频模块防水结构及具有该射频模块防水结构的射频模块 Download PDF

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Publication number
WO2016000519A1
WO2016000519A1 PCT/CN2015/081257 CN2015081257W WO2016000519A1 WO 2016000519 A1 WO2016000519 A1 WO 2016000519A1 CN 2015081257 W CN2015081257 W CN 2015081257W WO 2016000519 A1 WO2016000519 A1 WO 2016000519A1
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WO
WIPO (PCT)
Prior art keywords
sealing layer
frequency module
radio frequency
waterproof structure
groove
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PCT/CN2015/081257
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English (en)
French (fr)
Inventor
贺朝国
李永平
张万山
李海鹏
Original Assignee
华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP15815142.3A priority Critical patent/EP3148302B1/en
Publication of WO2016000519A1 publication Critical patent/WO2016000519A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02—Sealing

Definitions

  • the utility model relates to a communication device, in particular to a waterproof structure and device of a radio frequency module.
  • RF modules such as the BBU (Building Base Band Unit) require strong environmental adaptability. With the development of miniaturization of outdoor RF modules, it is more and more difficult for these RF modules to achieve multi-cable waterproof design.
  • the cable of the existing RF module is inserted into the rubber ferrule, and the rubber ferrule is sealed and fixed in the module casing to achieve waterproof.
  • this waterproof structure has low installation efficiency, high operating space requirements and high cost.
  • the purpose of the utility model is to provide a waterproof structure of a radio frequency module, so as to solve the technical problem that the assembly efficiency is poor and the operation is complicated.
  • the waterproof structure includes a case body, a cover body, a first sealing layer, an intermediate sealing layer, and a second sealing layer, wherein the first sealing layer is mounted on the case, and the second sealing layer is mounted on the case
  • the cover body is disposed opposite to the first sealing layer; the cover body covers the box body, and the intermediate sealing layer is sandwiched between the first sealing layer and the second sealing layer Forming at least two first insertion holes at a joint of the first sealing layer and the intermediate sealing layer; at least two second insertion holes are provided at a connection between the second sealing layer and the intermediate sealing layer,
  • the at least two first through holes and the at least two second holes are distributed in upper and lower layers and are staggered.
  • the intermediate sealing layer is coated with a support body, and the support body and the intermediate sealing layer are in-line molding.
  • the first sealing layer faces the surface of the intermediate sealing layer and is provided with at least two adjacently disposed circular arcs in cross section. a first groove; the intermediate sealing layer is provided with a second groove corresponding to the first groove, and the second groove is opposite to the first groove to form the first insertion hole.
  • the second sealing layer faces the surface of the intermediate sealing layer with at least two third grooves arranged adjacent to each other in a circular arc shape.
  • the intermediate sealing layer is provided with a fourth groove corresponding to the third groove, and the third groove and the fourth groove are opposite to each other to form the second insertion hole.
  • the first sealing layer includes a first mounting surface and two opposite first end surfaces connected to the first mounting surface, the at least two The first grooves are adjacent to the first mounting surface and the two ends of the at least two first grooves extend through the two first end faces.
  • the intermediate sealing layer further includes two oppositely disposed second mounting faces and two oppositely disposed second end faces, the two The two end faces respectively connect two second mounting faces, the second groove is disposed on one of the second mounting faces; and the other second mounting face is provided with the at least two third grooves, the first Two ends of the two grooves and the at least two third grooves extend through the two second end faces.
  • the first sealing layer and the intermediate sealing layer are connected by a connecting strip.
  • the first sealing layer is integrally formed with the intermediate sealing layer, and the first insertion hole is opened in the first sealing layer.
  • the cross section at the junction with the intermediate sealing layer is a circular through hole.
  • a first plug is connected to the first socket corresponding to the first sealing layer; the intermediate sealing layer Corresponding to the second insertion hole, a second plug is provided.
  • the first and second socket inner peripheral walls are provided with a plurality of annular recesses; the outer circumferences of the first and second plugs are opposite to each other The recess is provided with a projection.
  • the support body is A metal piece having the same shape as the intermediate sealing layer.
  • the first sealing layer, the second sealing layer and the intermediate sealing layer are made of rubber material to make.
  • a radio frequency module comprising the radio frequency module waterproof structure of any one of the first aspect, wherein an external high-density cable of the radio frequency module is inserted into the first jack and the second jack,
  • the cover plate is fixed to the case body and sandwiches the first and second sealing layers and the intermediate sealing layer, and the first and second sealing layers and the intermediate sealing layer seal the high-density cable.
  • the waterproof structure of the radio frequency module of the present invention can be opened by simply inserting a plurality of cable jacks between the first sealing layer and the second sealing layer, and then pressing the first sealing layer.
  • the second sealing layer is deformed to realize multiple cables at the same time, and the utility model has the advantages of simple structure, convenient operation and quick operation, and is more suitable for the module of miniaturization.
  • FIG. 1 is a schematic exploded view of a waterproof structure of a radio frequency module according to an embodiment of the present invention.
  • FIG. 2 is another perspective exploded view of the waterproof structure of the radio frequency module shown in FIG. 1.
  • FIG. 2 is another perspective exploded view of the waterproof structure of the radio frequency module shown in FIG. 1.
  • FIG. 3 is a partial structural schematic view of the waterproof structure of the radio frequency module shown in FIG. 1.
  • FIG. 4 is a partial structural schematic view of the waterproof structure of the radio frequency module shown in FIG. 2.
  • FIG. 5 is a schematic structural view of a cabinet of the waterproof structure of the radio frequency module shown in FIG. 1.
  • FIG. 5 is a schematic structural view of a cabinet of the waterproof structure of the radio frequency module shown in FIG. 1.
  • FIG. 6 is a schematic structural view of the waterproof structure cover of the radio frequency module shown in FIG. 1.
  • FIG. 6 is a schematic structural view of the waterproof structure cover of the radio frequency module shown in FIG. 1.
  • FIG. 7 is a schematic view showing the assembled structure of the waterproof structure of the radio frequency module shown in FIG. 1 , which does not include a cover body.
  • FIG. 8 is a cross-sectional view of the waterproof structure of the radio frequency module shown in FIG. 7 taken along the line XII-XII, which does not include a case and a cover.
  • FIG. 9 is a schematic view showing the overall assembly structure of the waterproof structure of the radio frequency module shown in FIG. 1.
  • FIG. 9 is a schematic view showing the overall assembly structure of the waterproof structure of the radio frequency module shown in FIG. 1.
  • an embodiment of the present invention provides a waterproof structure of a radio frequency module, which includes a box body 10 , a cover body 20 , a first sealing layer 30 , an intermediate sealing layer 40 , and a second sealing layer 50 . .
  • the first sealing layer 30 is mounted on the casing 10, and the second sealing layer 50 is mounted on the cover 20 opposite to the first sealing layer 30;
  • the intermediate sealing layer 40 is sandwiched between the first sealing layer 30 and the second sealing layer 50; the first sealing layer 30 is formed at a joint with the intermediate sealing layer 40
  • the first sealing layer 30, the second sealing layer 50 and the intermediate sealing layer 40 are made of rubber material.
  • the number of the first jacks 60 is four, and the number of the second jacks 70 is five.
  • the four first jacks 60 are arranged in parallel in the same plane, and the second jacks 70 are arranged in parallel in the same plane and are parallel to the plane of the first jack 60, and the four first jacks 60 are The positions between the five second jacks 70 are opposite.
  • the case 10 is a radio frequency module housing having a front side 11.
  • a first fitting groove 12 is defined at one end edge of the front surface 11.
  • the first mounting groove 12 is an elongated groove including a bottom wall of the groove (not shown), an opposite groove side wall 122 on both sides of the bottom wall of the groove, and a groove end wall at both ends of the bottom wall of the groove (not shown) Standard).
  • a plurality of spaced apart latching protrusions 124 are protruded from the bottom wall of the slot.
  • the two slot sidewalls 122 are each provided with a notch 125 corresponding to the first insertion hole 60.
  • the two groove end walls are inclined toward the bottom wall of the groove.
  • the surface of the first sealing layer 30 away from the intermediate sealing layer 40 is provided with a plurality of holding grooves 31. The first sealing layer 30 is received in the first mounting groove 12 , and the clamping protrusion 124 is engaged with the holding groove 31 to fix the first sealing layer 30 .
  • the cover 20 has a back surface 21.
  • a second fitting groove 22 is provided on the back surface 21 opposite to the first mounting groove 12 .
  • the second mounting slot 22 includes two slot sidewalls 221 and slots Bottom wall (not shown).
  • the slot sidewall 221 is provided with a notch 222 corresponding to the second insertion hole 70.
  • a protrusion 223 is convexly formed on the bottom wall of the groove of the second fitting groove 22.
  • a groove 213 is defined in the periphery of the back surface 21. The groove is connected to both ends of the second mounting groove 22 and penetrates.
  • the second sealing layer 50 is a strip-shaped block, the opposite ends of which are inclined toward the first insertion hole 60, and one end of the second sealing layer 50 has an annular shape and the groove 213 Corresponding sealing strip 51, and sealing strip 51 is connected to the other end wall.
  • the second sealing layer 50 is received in the second mounting groove, and the sealing strip 51 is received in the groove 213.
  • the plurality of external cables of the radio frequency module are inserted into the first jack 60 and the second jack 70, and the cover 20 is locked to the box 10 by screws or the like.
  • the first sealing layer 30 and the second sealing layer 50 press the intermediate sealing layer 40, and the tight fit between the intermediate sealing layers 40 through the first sealing layer 30 and the second sealing layer 50 respectively realizes the respective lines Cable waterproof.
  • the waterproof module of the radio frequency module of the present invention has a plurality of cable jacks disposed between the first sealing layer 30 and the second sealing layer 50, and the cover body 20 can be simply inserted and inserted, and then pressed first.
  • the sealing layer 30 and the second sealing layer 50 are deformed to realize multiple cables simultaneously fixed and waterproof, and the structure is simple, the operation is convenient and fast, and the utility model is more suitable for the module of miniaturization.
  • the intermediate sealing layer 40 is covered with a support body 42.
  • the support body 42 and the intermediate sealing layer 40 are insert-molded.
  • the support body 42 is a metal member having the same shape as the intermediate sealing layer 40 and having a smaller size than the intermediate sealing layer 40.
  • the support member 42 can increase the sealing effect of the intermediate sealing layer 40, so that the first insertion hole 60 and the second insertion hole 70 can achieve the protection against external foreign matter pollution, thereby better achieving cable waterproofing, and
  • the support layer 42 is disposed on the intermediate sealing layer 40, and can be assembled and positioned more accurately with the first and second jacks when the cable is loaded.
  • the first sealing layer 30 is provided with at least two first grooves arranged adjacent to each other in a circular arc shape toward the surface of the intermediate sealing layer 40 .
  • the intermediate sealing layer 40 is provided with a second groove 44 corresponding to the first groove 33, and the second groove 44 is opposite to the first groove 33 to form the first insertion hole 60.
  • a connecting strip 75 is further disposed between the intermediate sealing layer 40 and the first sealing layer 30.
  • the first groove 33 is a long strip having a circular arc-shaped groove. The intermediate sealing layer 40 is engaged with the first sealing layer 30 such that the second groove 44 and the first groove 33 are opposed to each other to form the first insertion hole 60.
  • the intermediate sealing layer opening cable is placed in the first recess 33, and the intermediate sealing layer 40 is covered, and the connecting strip 75 prevents the The intermediate sealing layer 40 is detached from the case 10.
  • the first sealing layer 30 is integrally formed with the intermediate sealing layer 40, and the first insertion hole 60 is formed in the first sealing layer 30 and the intermediate sealing layer 40.
  • the cross section of the joint is a circular through hole.
  • the first sealing layer 30 further includes a first mounting surface 34 and two opposite first end faces 35 connected to the first mounting surface 34, and the at least two first grooves 33 are adjacent to each other.
  • the first mounting surface 34 and the two ends of the at least two first grooves 33 extend through the two first end faces 35.
  • a first plug 80 is connected to the first receiving hole 30 corresponding to the first receiving hole 30; the intermediate sealing layer 40 is provided with a second plug 85 corresponding to the second receiving hole 70.
  • the first plug 80 and the second plug 85 are made of rubber material; the first plug 80 can be inserted into the first jack 60 to achieve a protective effect.
  • the second plug 85 can be inserted into the second insertion hole 70 to achieve a protective effect.
  • the surface of the second sealing layer 50 facing the intermediate sealing layer 40 is provided with at least two third grooves 55 which are disposed adjacent to each other in a circular arc shape; the intermediate sealing layer 40 corresponds to the third surface
  • the groove 55 is provided with a fourth groove 46, and the third groove 55 is opposed to the fourth groove 46 to form the second insertion hole 70.
  • the intermediate sealing layer 40 further includes two oppositely disposed second mounting faces 41 and two oppositely disposed second end faces 43 .
  • the two second end faces 43 respectively connect the two second mounting faces 41 .
  • the second recess 44 is disposed on one of the second mounting faces 41; the other second mounting surface 41 is provided with the at least two third recesses 46, the second recess 44 and at least two Both ends of the third recess 46 penetrate the two second end faces 43.
  • the inner peripheral wall of the first insertion hole 60 and the second insertion hole 70 are provided with an annular recess (not shown); the outer periphery of the first plug 80 and the second plug 85 are provided with respect to the recess. Multiple bumps (not shown).
  • the first plug 80 is inserted into the first receptacle 60, and the second plug 85 is inserted into the second receptacle 70, the recess engaging the projection for a better sealing effect.
  • the recess in the first insertion hole 60 is formed by the semicircular recess provided on the inner wall of the first groove 33 and the second groove 44.
  • the protrusions in the second slot 70 are formed by the semi-circular recesses of the inner walls of the third recess 46 and the fourth recess 55.
  • the present invention further provides a radio frequency module, comprising the above-mentioned radio frequency module waterproof structure, wherein an outer high-density cable of the radio frequency module is inserted into the first jack 60 and the second jack 70, and the cover 20 is fixed to the case 10 and seals the first sealing layer 30, the second sealing layer 50 and the middle The layer 40 is sandwiched, and the first sealing layer 30, the second sealing layer 50, and the intermediate sealing layer 40 seal the high density cable.
  • the cover 20 is opened, and the second sealing layer 50 is opened with the cover 20 opposite to the intermediate sealing layer 40, and then the intermediate sealing layer 40 is removed to expose the first sealing layer.
  • the first recess 33 of the 30, the cable is placed in the first recess 33, and the intermediate sealing layer 40 is fastened.
  • the cable is received in the first jack 60, and another cable is connected.
  • the body 20 is locked to the casing 10, and the first sealing layer 30, the second sealing layer 50 and the intermediate sealing layer 40 are pressed to fix and seal the cable.
  • the operation during assembly and disassembly is extremely simple, and multiple cables can be inserted at the same time and fixed at the same time.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

本实用新型提供一种射频模块防水结构，所述防水结构包括箱体、盖体、第一密封层、中间密封层及第二密封层，所述第一密封层装于所述箱体上，所述第二密封层装于所述盖体上与所述第一密封层相对设置；所述盖体盖于所述箱体上，所述中间密封层夹持于所述第一密封层与所述第二密封层之间；所述第一密封层与所述中间密封层连接处形成有至少两个第一插孔；所述第二密封层与所述中间密封层连接处设有至少两个第二插孔，所述至少两个第一密通封孔与所述至少两个第二插孔为上下层分布且错开设置。

Description

射频模块防水结构及具有该射频模块防水结构的射频模块
本申请要求于2014年06月30日提交中国专利局、申请号为201420356817.8，发明名称为“射频模块防水结构及具有该射频模块防水结构的射频模块”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本实用新型涉及通讯设备，特别涉及一种射频模块防水结构及设备。
背景技术
室外型基带处理单元BBU(Building Base band Unit)等射频模块需要很强的环境适应性，随着室外射频模块小型化趋势的发展，这些射频模块实现多线缆防水设计难度越来越大。现有射频模块的线缆插入橡胶套圈内，再将橡胶套圈于模块外壳密封固定实现防水。但是这种防水结构安装效率低，操作空间要求高而且成本较高。
发明内容
本实用新型的目的在于提供一种射频模块防水结构，以解决组装效率差，操作复杂的技术问题。
一方面，所述防水结构包括箱体、盖体、第一密封层、中间密封层及第二密封层，所述第一密封层装于所述箱体上，所述第二密封层装于所述盖体上与所述第一密封层相对设置；所述盖体盖于所述箱体上，所述中间密封层夹持于所述第一密封层与所述第二密封层之间；所述第一密封层与所述中间密封层连接处形成有至少两个第一插孔；所述第二密封层与所述中间密封层连接处设有至少两个第二插孔，所述至少两个第一密通封孔与所述至少两个第二插孔为上下层分布且错开设置。
在第一种可能的实施方式中，所述中间密封层内包覆有支撑体，所述支撑体与所述中间密封层为嵌射成型。
结合第一方面的第一种可能实施的方式，在第二种可能实施的方式中，所述第一密封层朝向中间密封层的表面设有相邻设置的截面为圆弧形的至少两个第一凹槽；所述中间密封层相对应所述第一凹槽设有第二凹槽，第二凹槽与第一凹槽相对合形成所述第一插孔。
结合第二种可能实施的方式，在第三种可能实施的方式中，所述第二密封层朝向中间密封层的表面设有相邻设置的截面为圆弧形的至少两个第三凹槽；所述中间密封层相对应所述第三凹槽设有第四凹槽，第三凹槽与第四凹槽相对合形成所述第二插孔。
结合第二种可能实施的方式，在第四种可能实施的方式中，所述第一密封层包括第一安装面及两个相对的与第一安装面连接的第一端面，所述至少两个第一凹槽相邻设于第一安装面上且所述至少两个第一凹槽的两端贯穿所述两个第一端面。
结合第三种可能实施的方式，在第五种可能实施的方式中，所述中间密封层还包括两个相对设置的第二安装面及两个相对设置的第二端面，所述两个第二端面分别连接两个第二安装面，所述第二凹槽设于其中一个第二安装面上；另一个第二安装面上设有所述的至少两个第三凹槽，所述第二凹槽及至少两个第三凹槽的两端贯穿所述两个第二端面。
结合第一方面或者结合第一方面的第一至六种可能实施的方式，在第六种可能实施的方式中，所述第一密封层与所述中间密封层通过一连接条连接。
结合第一种可能实施的方式，在第八种可能实施的方式中，所述第一密封层与所述中间密封层一体成型连接，所述第一插孔为开设于所述第一密封层与所述中间密封层结合处的截面为圆形通孔。
结合第六或第七种可能实施的方式，在第八种可能实施的方式中，所述第一密封层上相对应所述的第一插孔连接有第一孔塞；所述中间密封层相对应所述第二插孔设有第二孔塞。
结合第八种可能实施的方式，在第九种可能实施的方式中，所述第一、第二插孔内周壁设有多个环形凹部；所述第一、第二孔塞外周缘相对于所述凹部设有凸起。
结合第四种可能实施的方式，在第十种可能实施的方式中，所述支撑体为 与所述中间密封层形状相同的金属件。
结合第一方面或者结合第一方面的第一至十种可能实施的方式，在第十一种可能实施的方式中，所述第一密封层、第二密封层及中间密封层为橡胶材质制成。
第二方面，一种射频模块，其包括第一方面在任一种方式的所述的射频模块防水结构，所述射频模块的外界高密线缆插入所述第一插孔及第二插孔内，盖板与所述箱体固定并将所述第一、第二密封层及中间密封层夹持，所述第一、第二密封层及中间密封层将所述高密线缆密封。
本实用新型的射频模块防水结构通过在所述第一密封层、第二密封层之间设置单独的多个线缆插孔，打开盖体简单插接即可，再通过压紧第一密封层、第二密封层变形实现多条线缆同时固定防水，而且结构简单，操作方便快捷，更适合小型化的模块使用。
附图说明
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本实用新型实施例的射频模块防水结构分解示意图。
图2是图1所示的射频模块防水结构的另一角度分解示意图。
图3是图1所示的射频模块防水结构的部分结构示意图。
图4是图2所示射频模块防水结构的的部分结构示意图。
图5是图1所示的射频模块防水结构的箱体结构示意图。
图6为图1所示的射频模块防水结构盖体结构示意图。
图7是图1所示的射频模块防水结构的组装结构示意图，其中不包括盖体。
图8是图7所示的射频模块防水结构沿XII-XII方向剖视图，其中不包括箱体及盖体。
图9是图1所示的射频模块防水结构的整体组装结构示意图。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
请参阅图1、图3及图9，本实用新型实施方式提供一种射频模块防水结构，其包括箱体10、盖体20、第一密封层30、中间密封层40及第二密封层50。所述第一密封层30装于所述箱体10上，所述第二密封层50装于所述盖体20上与所述第一密封层30相对设置；所述盖体20盖于所述箱体10上，所述中间密封层40夹持于所述第一密封层30与所述第二密封层50之间；所述第一密封层30与所述中间密封层40连接处形成有至少两个第一插孔60；所述第二密封层50与所述中间密封层40连接处设有至少两个第二插孔70，所述至少两个第一插孔60与所述至少两个第二插孔70上下层分布且错开设置。
请一并参阅图2及图5，本实施例中，所述第一密封层30、第二密封层50及中间密封层40为橡胶材质制成。所述至第一插孔60为四个，所述第二插孔70为5个。所述四个第一插孔60同一平面平行排列设置，所述第二插孔70同一平面平行排列设置且与所述第一插孔60所在平面平行，所述四个第一插孔60与所述五个第二插孔70之间的位置相对。所述箱体10为射频模块外壳，其具有一正面11。所述正面11一端边缘设有第一装配槽12。所述第一装配槽12为长条形凹槽，其包括槽底壁(图未标)，位于槽底壁两侧的相对槽侧壁122及位于槽底壁两端的槽端壁(图未标)。所述槽底壁上凸设有数个间隔设置的卡持凸起124。所述两个槽侧壁122上均设有与所述第一插孔60相对应的缺口125。所述两个槽端壁向槽底壁方向倾斜。所述第一密封层30远离中间密封层40的表面设有数个卡持凹槽31。所述第一密封层30收容于所述第一装配槽12内，所述卡持凸起124与所述卡持凹槽31卡持进而将所述第一密封层30固定。
请参阅图6，所述盖体20具有一背面21。所述背面21上相对所述第一安装配槽12设有第二装配槽22。所述第二装配槽22包括两个槽侧壁221及槽 底壁(图未示)。所述槽侧壁221相对应所述第二插孔70设有缺口222。所述第二装配槽22的槽底壁上凸设有凸起223。所述背面21周缘设有凹槽213。所述凹槽与所述第二安装槽22的两端连接并贯通。所述第二密封层50为条形块体，其相对两端向第一插孔60方向倾斜，并且所述第二密封层50的一个端部延伸有一个环形的与所述凹槽213相对应的密封条51，且密封条51与另一个端壁连接。所述第二密封层50收容于所述第二装配槽内，且密封条51收容于所述凹槽213内。所述射频模块的多个外接线缆插入第一插孔60及第二插孔70，所述盖体20通过螺钉等方式锁持于所述箱体10上。所述第一密封层30、第二密封层50将中间密封层40压紧，通过所述第一密封层30、第二密封层50将中间密封层40之间的紧密配合实现分别对各个线缆防水。
本发明的射频模块防水结构通过在所述第一密封层30、第二密封层50之间设置单独的多个线缆插孔，打开盖体20简单插接即可，再通过压紧第一密封层30、第二密封层50变形实现多条线缆同时固定防水，而且结构简单，操作方便快捷，更适合小型化的模块使用。
进一步的，所述中间密封层40内包覆有支撑体42，所述支撑体42与所述中间密封层40为嵌射成型。本实施例中，所述支撑体42为与所述中间密封层40形状相同，尺寸小于中间密封层40的金属件。所述支撑件42可以增加所述中间密封层40的密封效果，使所述第一插孔60及第二插孔70可以实现对外界异物污染的防护能力，更好的实现线缆防水，而且，所述支撑层42设于中间密封层40上，在装入线缆时可更准确的与所述第一、第二插孔组装定位。
请参阅图3、图4及图7与图8，进一步的，所述第一密封层30朝向中间密封层40的表面设有相邻设置的截面为圆弧形的至少两个第一凹槽33；所述中间密封层40相对应所述第一凹槽33设有第二凹槽44，第二凹槽44与第一凹槽33相对合形成所述第一插孔60。本实施例中，所述中间密封层40与第一密封层30之间还设有连接条75。所述第一凹槽33为长条的截面为圆弧形槽体。所述中间密封层40与所述第一密封层30扣合，使所述第二凹槽44与第一凹槽33相对合形成所述第一插孔60。在插装线缆时，将中间密封层打开线缆放入第一凹槽33内，再盖上中间密封层40，所述连接条75防止所述 中间密封层40与箱体10脱离。本发明的其他实施例中，所述第一密封层30与所述中间密封层40一体成型连接，所述第一插孔60为开设于所述第一密封层30与所述中间密封层40结合处的截面为圆形通孔。
更进一步的，所述第一密封层30还包括第一安装面34及两个相对的与第一安装面34连接的第一端面35，所述至少两个第一凹槽33相邻设于第一安装面34上且所述至少两个第一凹槽33的两端贯穿所述两个第一端面35。所述第一密封层30上相对应所述的第一插孔60连接有第一孔塞80；所述中间密封层40相对应所述第二插孔70设有第二孔塞85。所述第一孔塞80、第二孔塞85为橡胶材质制成；所述第一孔塞80可插入所述第一插孔60实现防护效果。所述第二孔塞85可插入所述第二插孔70实现防护效果。
进一步的，所述第二密封层50朝向中间密封层40的表面设有相邻设置的截面为圆弧形的至少两个第三凹槽55；所述中间密封层40相对应所述第三凹槽55设有第四凹槽46，第三凹槽55与第四凹槽46相对合形成所述第二插孔70。
进一步的，所述中间密封层40还包括两个相对设置的第二安装面41及两个相对设置的第二端面43，所述两个第二端面43分别连接两个第二安装面41，所述第二凹槽44设于其中一个第二安装面41上；另一个第二安装面41上设有所述的至少两个第三凹槽46，所述第二凹槽44及至少两个第三凹槽46的两端贯穿所述两个第二端面43。
进一步的，所述第一插孔60、第二插孔70内周壁设有环形凹部(图未标)；所述第一孔塞80、第二孔塞85外周缘相对于所述凹部设有多个凸起(图未标)。所述第一孔塞80插入第一插孔60内，所述第二孔塞85插入第二插孔70内，所述凹部与所述凸起配合达到更好的密封效果。本是实例中，所述第一插孔60内的凹部由设于所述第一凹槽33及第二凹槽44内壁的的半圆形凹部对合形成。所述第二插槽70内的凸起由所述第三凹槽46及第四凹槽55内壁的的半圆形凹部对合形成。
请参阅图9，本发明还提供一种射频模块，其包括上述的射频模块防水结构，所述射频模块的外界高密线缆插入所述第一插孔60及第二插孔70内，盖板20与所述箱体10固定并将所述第一密封层30、第二密封层50及中间密封 层40夹持，所述第一密封层30、第二密封层50及中间密封层40将所述高密线缆密封。本实施例中，插装线缆时，将盖体20打开，所述第二密封层50随着盖体20相对中间密封层40翻开，再取下中间密封层40，露出第一密封层30的第一凹槽33，将线缆放入所述第一凹槽33内，扣合中间密封层40，所述线缆便收容于所述第一插孔60内，再将另外线缆放入中间密封层40的第三凹槽46内，盖上盖体20，使第二密封层50与中间密封层扣合，所述线缆便装于所述第二插槽70内，将盖体20锁紧于箱体10上，所述第一密封层30、第二密封层50及中间密封层40收到挤压将所述线缆固定并密封。在拆装过程中操作极为简单，而且可以同时插入多个线缆，同时固定。
以上所揭露的仅为本实用新型较佳实施例而已，当然不能以此来限定本实用新型之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本实用新型权利要求所作的等同变化，仍属于实用新型所涵盖的范围。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (13)

  1. 一种射频模块防水结构，其特征在于，所述防水结构包括箱体、盖体、第一密封层、中间密封层及第二密封层，所述第一密封层装于所述箱体上，所述第二密封层装于所述盖体上与所述第一密封层相对设置；所述盖体盖于所述箱体上，所述中间密封层夹持于所述第一密封层与所述第二密封层之间；所述第一密封层与所述中间密封层连接处形成有至少两个第一插孔；所述第二密封层与所述中间密封层连接处设有至少两个第二插孔，所述至少两个第一密通封孔与所述至少两个第二插孔为上下层分布且错开设置。
  2. 如权利要求1所述的射频模块防水结构，其特征在于，所述中间密封层内包覆有支撑体，所述支撑体与所述中间密封层为嵌射成型。
  3. 如权利要求2所述的射频模块防水结构，其特征在于，所述第一密封层朝向中间密封层的表面设有相邻设置的截面为圆弧形的至少两个第一凹槽；所述中间密封层相对应所述第一凹槽设有第二凹槽，第二凹槽与第一凹槽相对合形成所述第一插孔。
  4. 如权利要求3所述的射频模块防水结构，其特征在于，所述第二密封层朝向中间密封层的表面设有相邻设置的截面为圆弧形的至少两个第三凹槽；所述中间密封层相对应所述第三凹槽设有第四凹槽，第三凹槽与第四凹槽相对合形成所述第二插孔。
  5. 如权利要求3所述的射频模块防水结构，其特征在于，所述第一密封层包括第一安装面及两个相对的与第一安装面连接的第一端面，所述至少两个第一凹槽相邻设于第一安装面上且所述至少两个第一凹槽的两端贯穿所述两个第一端面。
  6. 如权利要求4所述的射频模块防水结构，其特征在于，所述中间密封层还包括两个相对设置的第二安装面及两个相对设置的第二端面，所述两个第 二端面分别连接两个第二安装面，所述第二凹槽设于其中一个第二安装面上；另一个第二安装面上设有所述的至少两个第三凹槽，所述第二凹槽及至少两个第三凹槽的两端贯穿所述两个第二端面。
  7. 如权利要求1至6任一项所述的射频模块防水结构，其特征在于，所述第一密封层与所述中间密封层通过一连接条连接。
  8. 如权利要求2所述的射频模块防水结构，其特征在于，所述第一密封层与所述中间密封层一体成型连接，所述第一插孔为开设于所述第一密封层与所述中间密封层结合处的截面为圆形通孔。
  9. 如权利要求7或8所述的射频模块防水结构，其特征在于，所述第一密封层上相对应所述的第一插孔连接有第一孔塞；所述中间密封层相对应所述第二插孔设有第二孔塞。
  10. 如权利要求9所述的射频模块防水结构，其特征在于，所述第一、第二插孔内周壁设有多个环形凹部；所述第一、第二孔塞外周缘相对于所述凹部设有凸起。
  11. 如权利要求5所述的射频模块防水结构，其特征在于，所述支撑体为与所述中间密封层形状相同的金属件。
  12. 如权利要求1-11任一项所述的射频模块防水结构，其特征在于，所述第一密封层、第二密封层及中间密封层为橡胶材质制成。
  13. 一种射频模块，其包括权利要求1-12任一项所述的射频模块防水结构，所述射频模块的外界高密线缆插入所述第一插孔及第二插孔内，盖板与所述箱体固定并将所述第一、第二密封层及中间密封层夹持，所述第一、第二密封层及中间密封层将所述高密线缆密封。
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