WO2016106672A1 - 射频拉远设备、双工器、滤波器以及抽头固定件 - Google Patents

射频拉远设备、双工器、滤波器以及抽头固定件 Download PDF

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Publication number
WO2016106672A1
WO2016106672A1 PCT/CN2014/095870 CN2014095870W WO2016106672A1 WO 2016106672 A1 WO2016106672 A1 WO 2016106672A1 CN 2014095870 W CN2014095870 W CN 2014095870W WO 2016106672 A1 WO2016106672 A1 WO 2016106672A1
Authority
WO
WIPO (PCT)
Prior art keywords
tap
clamping
fixing member
hole
filter
Prior art date
Application number
PCT/CN2014/095870
Other languages
English (en)
French (fr)
Inventor
温世议
Original Assignee
深圳市大富科技股份有限公司
安徽省大富机电技术有限公司
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 深圳市大富科技股份有限公司, 安徽省大富机电技术有限公司 filed Critical 深圳市大富科技股份有限公司
Priority to PCT/CN2014/095870 priority Critical patent/WO2016106672A1/zh
Priority to CN201480084017.8A priority patent/CN107004931B/zh
Publication of WO2016106672A1 publication Critical patent/WO2016106672A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/04—Fixed joints
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a radio remote device, a duplexer, a filter, and a tap fixing member.
  • the device for fixing the tap piece is as shown in FIG. 1 , and the fixing device comprises a cylindrical clamping seat 1 and a square fixing seat 2 .
  • the middle portion of the cylindrical clamping seat 1 has a square groove 4 for accommodating the tap piece 3.
  • the square groove 4 has a clear angle feature 5, and the end of the clamping seat 1 has a narrow groove 6 communicating with the square groove, and the square fixing seat 2 has a square shape.
  • the invention provides a radio frequency remote device, a duplexer, a filter and a tap fixing member, so as to solve the complicated processing process of the square groove and the fine groove of the cylindrical clamping seat, the assembly difficulty and the signal signal indexing technology. problem.
  • a technical solution adopted by the present invention is to provide a tap fixing member for a filter, the tap fixing member is used for fixing a tap with a plug portion, and the tap fixing member comprises a columnar body, and the column body is opened at one end. a card slot extending radially, the bottom of the card slot is provided with a socket, and the outer side wall of one end of the column body opening the card slot has a flange; the plug portion of the tap is inserted in the jack, and the plug portion of the tap is inserted The holes are tightly fitted, and the flange of the columnar body is deformed when squeezed to clamp the inner wall of the card slot.
  • the jack is a through hole.
  • the surface of the plug portion is coated with an insulating material.
  • the jack is a blind hole.
  • the column-shaped body comprises a first clamping section and a second clamping section
  • the first clamping section has a first clamping groove
  • the flange is disposed on an outer sidewall of the first clamping section
  • the second clamping section is first a clamping section connection having a second clamping groove
  • the first clamping section comprises a left clamping portion and a right clamping portion, the left clamping portion and the right clamping portion being pressed against each other to make the first clamping
  • the deformation space of the groove becomes small, thereby pressing the tap held in the second clamping groove.
  • the tap fixing member further comprises a clamping member, the clamping member is sleeved on the first clamping section, so that the left clamping portion and the right clamping portion are close to each other when pressed, thereby realizing the change of the first clamping groove shape The space is getting smaller.
  • the tap fixing member is integrally formed.
  • the present invention also adopts another technical solution, and provides a filter including a cavity, a cover plate and a resonator, a cover cover cavity, a resonator installed in the cavity, and a tap fixing
  • the tap fixing member is used for fixing the tap with the plug portion, and the tap fixing member comprises a column-shaped body.
  • the column-shaped body is provided with a slot extending through the radial direction at one end, the jack at the bottom of the card slot is provided, and the column body is provided with a slot end.
  • the outer side wall has a flange; the plug portion of the tap is inserted in the jack, and the plug portion of the tap is closely matched with the jack; the cavity is provided with a fixing hole, and the tap fixing member is inserted in the fixing hole, and The inner wall of the fixing hole presses the flange of the columnar body to clamp the inner wall of the card slot.
  • the jack is a through hole.
  • the surface of the plug portion is coated with an insulating material.
  • the jack is a blind hole.
  • the column-shaped body comprises a first clamping section and a second clamping section
  • the first clamping section has a first clamping groove
  • the flange is disposed on an outer sidewall of the first clamping section
  • the second clamping section is first a clamping section connection having a second clamping groove
  • the first clamping section comprises a left clamping portion and a right clamping portion, the left clamping portion and the right clamping portion being pressed against each other to make the first clamping
  • the deformation space of the groove becomes small, thereby pressing the tap held in the second clamping groove.
  • the fixing hole comprises a first fixing hole and a second fixing hole
  • the first fixing hole acts on the first clamping section to make the left clamping part and the right clamping part close to each other, thereby deforming the first clamping groove The space becomes smaller
  • the second fixing hole communicates with the first fixing hole for fixing the second clamping section.
  • the diameter or width of the first fixing hole is the same as that of the second fixing hole.
  • the diameter or width of the first fixing hole is larger than the second fixing hole and smaller than the first clamping segment.
  • the tap fixing member is integrally formed.
  • the present invention also adopts another technical solution, and provides a duplexer including a receiving filter and a transmitting filter.
  • the receiving filter is connected between the receiving terminal and the antenna terminal, and the transmitting filter is connected.
  • the transmission filter and the transmission filter are the filters described above between the transmission terminal and the antenna terminal.
  • the present invention also adopts another technical solution, and provides a radio remote device, including a radio frequency transceiver module, a power amplifier module, and the above duplexer, and the radio frequency transceiver module is connected with the power amplifier module.
  • the power amplifier module is connected to the duplexer.
  • the invention has the beneficial effects that the present invention provides a radio frequency remote device, a duplexer, a filter and a tap fixing member, and the tap fixing member comprises a columnar body with an extension path at one end thereof.
  • the bottom of the card slot is provided with a socket that closely fits the plug portion of the tap.
  • the tap fixing member has a simple processing process, and the tap or the tap fixing member is simple and stable to ensure stable filter signal index.
  • Figure 1 is a prior art tap fixing device
  • Figure 2 is a perspective view of the columnar body of the tap fixing member of the present invention.
  • Figure 3 is a cross-sectional view of the columnar body of Figure 1;
  • Figure 4 is an assembled view of the cavity and the tap fixing member of the filter of the present invention.
  • Figure 5 is a partial cross-sectional view showing the assembly of the cavity and the tap fixing member of Figure 4;
  • Figure 6 is a schematic block diagram showing the structure of the duplexer of the present invention.
  • Figure 7 is a block diagram of the duplexer of the present invention.
  • the invention provides a tap fixing member for a filter, wherein the tap fixing member is used for fixing a tap with a plug portion, and the tap fixing member comprises a column-shaped body, and the rod-shaped body is provided with a slot extending through the radial direction at one end, and the bottom of the card slot
  • the jack has a jack, and the outer side wall of one end of the column body opening the card slot has a flange; the plug portion of the tap is inserted in the jack, and the plug portion of the tap is closely matched with the jack, and the flange of the column body is squeezed The deformation occurs at the time to clamp the inner wall of the card slot.
  • the jack is a through hole.
  • the surface of the plug portion is coated with an insulating material.
  • the jack is a blind hole.
  • the column-shaped body comprises a first clamping section and a second clamping section
  • the first clamping section has a first clamping groove
  • the flange is disposed on an outer sidewall of the first clamping section
  • the second clamping section is first a clamping section connection having a second clamping groove
  • the first clamping section comprises a left clamping portion and a right clamping portion, the left clamping portion and the right clamping portion being pressed against each other to make the first clamping
  • the deformation space of the groove becomes small, thereby pressing the tap held in the second clamping groove.
  • the tap fixing member further comprises a clamping member, the clamping member is sleeved on the first clamping section, so that the left clamping portion and the right clamping portion are close to each other when pressed, thereby realizing the change of the first clamping groove shape The space is getting smaller.
  • the tap fixing member is integrally formed.
  • the invention also provides a filter comprising a cavity, a cover plate and a resonator, a cover cover cavity, a resonator mounted in the cavity, a tap fixing member, and a tap fixing member for fixing with a plug
  • the tapping part of the part comprises a column-shaped body, and the rod-shaped body is provided with a slot extending through the radial direction at one end, the bottom of the card slot is provided with a socket, and the outer side wall of one end of the column-shaped body opening the card slot has a flange; the plug portion of the tap Inserted in the jack, and the plug portion of the tap is closely matched with the jack; the cavity is provided with a fixing hole, the tap fixing member is inserted in the fixing hole, and the inner wall of the fixing hole presses the flange of the column body So that the inner wall of the card slot is clamped to the tap.
  • the jack is a through hole.
  • the surface of the plug portion is coated with an insulating material.
  • the jack is a blind hole.
  • the column-shaped body comprises a first clamping section and a second clamping section
  • the first clamping section has a first clamping groove
  • the flange is disposed on an outer sidewall of the first clamping section
  • the second clamping section is first a clamping section connection having a second clamping groove
  • the first clamping section comprises a left clamping portion and a right clamping portion, the left clamping portion and the right clamping portion being pressed against each other to make the first clamping
  • the deformation space of the groove becomes small, thereby pressing the tap held in the second clamping groove.
  • the fixing hole comprises a first fixing hole and a second fixing hole
  • the first fixing hole acts on the first clamping section to make the left clamping part and the right clamping part close to each other, thereby deforming the first clamping groove The space becomes smaller
  • the second fixing hole communicates with the first fixing hole for fixing the second clamping section.
  • the diameter or width of the first fixing hole is the same as that of the second fixing hole.
  • the diameter or width of the first fixing hole is larger than the second fixing hole and smaller than the first clamping segment.
  • the tap fixing member is integrally formed.
  • the present invention also provides a duplexer including a receiving filter and a transmitting filter, the receiving filter being connected between the receiving terminal and the antenna terminal, the transmitting filter being connected between the transmitting terminal and the antenna terminal, the receiving filter and The transmit filter is the filter described above.
  • the invention also provides a radio remote device, comprising a radio frequency transceiver module, a power amplifier module and the above duplexer, the radio frequency transceiver module is connected with the power amplifier module, and the power amplifier module is connected with the duplexer.
  • FIG. 2 is a perspective view of the columnar body of the tap fixing member of the present invention
  • FIG. 3 is a cross-sectional view of the columnar body of FIG.
  • the tap fixing member 100 of the filter of the present invention is used for clamping the fixed tap 30.
  • the tap 30 has a plug portion 31.
  • the tap fixing member 100 includes a columnar body 10, and the cylindrical body 10 is provided with a slot 11 extending radially at one end. The bottom of the slot 11 is provided with a socket 23, and the outer side wall of the cylindrical body 10 opening the slot 11 has a flange 30.
  • the flange 30 When the flange 30 is pressed, the flange 30 is deformed to clamp the inner wall of the slot 11 to the tap 30, and the plug portion 31 Inserted in the jack 23, the plug portion 31 is closely matched with the jack 23, the jack 23 may be a through hole or a blind hole, and the gap between the plug portion 31 and the bottom of the jack 23 is 24, it is worth noting that
  • the surface of the plug portion 31 of the present invention is coated with an insulating material.
  • the column body 10 includes a first clamping section 12 and a second clamping section 13, the first clamping section 12 has a first clamping groove 21, the flange 30 is disposed on the outer side wall of the first clamping section 12;
  • the tight section 13 is connected to the first clamping section 12 and has a second clamping groove 22; wherein the first clamping section 12 comprises a left clamping portion 121 and a right clamping portion 122, a left clamping portion 121 and a right clamping portion
  • the pressing portions 122 are pressed, they are brought closer to each other to make the deformation space of the first clamping groove 21 small, thereby pressing the taps 30 held in the second clamping grooves 22.
  • the tap fixing member 100 may further include a clamping member that is sleeved on the first clamping portion 12 to close the left clamping portion 121 and the right clamping portion 122 when pressed. Thereby, the first clamping groove 21 and the deformation space become small.
  • the tap fixing member 100 of the present invention may be integrally formed.
  • FIG. 4 is an assembled view of the cavity and the tap fixing member of the filter of the present invention
  • FIG. 5 is a partial cross-sectional view showing the assembly of the cavity and the tap fixing member of FIG.
  • the present invention also provides a filter comprising a cavity 40, a cover plate, a resonator, and the above-described tap fixing member 100, a cover cover cavity 40, the resonator is mounted in the cavity 40, and the cavity 40 is provided There is a fixing hole 410 in which the tap fixing member 100 is inserted, and the inner wall of the fixing hole 410 presses the flange 30 of the column body 10 to clamp the inner wall of the card slot 11 to the tap 30.
  • the fixing hole 410 includes a first fixing hole 411 and a second fixing hole 412.
  • the first fixing hole 411 acts on the first clamping section 12 to close the left clamping portion 121 and the right clamping portion 122 to each other so that the first clamping portion The deformation space of the tight groove 21 is reduced; the second fixing hole 412 is in communication with the first fixing hole 411 for fixing the second clamping segment 13, and the diameter or width of the first fixing hole 411 is the same as that of the second fixing hole 412, of course.
  • the diameter or width of the first fixing hole 411 may be larger than the second fixing hole 412 and smaller than the first clamping segment 12.
  • the columnar body 10 and the cavity 40 of the present invention may be square, cylindrical or other shapes.
  • the fixing hole 410 is correspondingly square, and when the columnar body 10 is cylindrical, the fixing hole 410 corresponds to The ground is also round.
  • FIG. 6 is a schematic diagram showing the structure of the duplexer of the present invention.
  • the duplexer 50 of the present invention includes a receiving filter 51 and a transmitting filter 52.
  • the receiving filter 51 is connected to the receiving terminal 53 and the antenna.
  • a transmission filter 52 is connected between the transmission terminal 55 and the antenna terminal 54, and the reception filter 51 and the transmission filter 52 are filters as described above.
  • FIG. 7 is a schematic diagram of a module of the duplexer of the present invention.
  • the radio remote device 60 of the present invention includes a radio frequency transceiver module 61, a power amplifier module 62, and the duplexer 50, and the radio frequency transceiver.
  • the machine module 60 is connected to the power amplifier module 62, and the power amplifier module 62 is connected to the duplexer 50.
  • the present invention provides a radio remote device 60, a duplexer 50, a filter, and a tap fixing member 100.
  • the tap fixing member 100 includes a columnar body 10, and a slot 11 extending through the radial direction is formed at one end thereof, and the bottom of the slot 11 is provided.
  • the insertion hole 23 is closely matched with the insertion portion 31.
  • the tap fixing member 100 has a simple processing process, and the tap 30 or the tap fixing member 100 is simple and stable in assembly, thereby ensuring stable filter signal index.

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Abstract

本发明提供一种射频拉远设备、双工器、滤波器以及抽头固定件，该抽头固定件用于固定带有插接部的抽头，抽头固定件包括柱状本体，柱状本体一端开设有延径向贯穿的卡槽，卡槽底部设有插孔，柱状本体开设卡槽一端的外侧壁具有凸缘；抽头的插接部插设在插孔中，且抽头的插接部与插孔紧密配合，柱状本体的凸缘受挤压时发生形变以使卡槽的内壁夹紧抽头，该抽头固定件加工工艺简单，抽头或抽头固定件装配简便且稳固，确保了滤波器信号指标稳定。

Description

射频拉远设备、双工器、滤波器以及抽头固定件
【技术领域】
本发明涉及通信技术领域，特别是涉及一种射频拉远设备、双工器、滤波器以及抽头固定件。
【背景技术】
抽头片连接在滤波器的谐振器和连接器之间，用于传输信号，现有技术中固定抽头片的装置如图1所示，该固定装置包括圆柱夹紧座1和方形固定座2，圆柱夹紧座1中间部具有一容纳抽头片3的方形槽4，方形槽4具有清角特征5，夹紧座1的端部具有与方形槽相通的细槽6，方形固定座2具有方形槽和容纳夹紧座1的圆孔8，安装抽头片3时，将抽头片3穿过细槽6并抵接至方形槽4，然后将圆柱夹紧座1装配到方形固定座2中，该固定方式存在如下缺点：
（1）圆柱夹紧座1的方形槽4及细槽6的加工工艺比较复杂，而且这些特征的尺寸公差比较严格，加工成本高；
（2）与抽头片3装配时需从细槽6处挤压装配进去，装配难度大，圆柱夹紧座1在整体装配前的变形量大，容易损坏圆柱夹紧座1；
（3）圆柱夹紧座1装配圆孔8内后，容易上下移动，使得抽头片固定不稳，影响滤波器信号指标。
【发明内容】
本发明提供一种射频拉远设备、双工器、滤波器以及抽头固定件，以解决上述圆柱夹紧座的方形槽及细槽的加工工艺比较复杂、装配难度大以及影响滤波器信号指标技术问题。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种滤波器的抽头固定件，抽头固定件用于固定带有插接部的抽头，抽头固定件包括柱状本体，柱状本体一端开设有延径向贯穿的卡槽，卡槽底部设有插孔，柱状本体开设卡槽一端的外侧壁具有凸缘；抽头的插接部插设在插孔中，且抽头的插接部与插孔紧密配合，柱状本体的凸缘受挤压时发生形变以使卡槽的内壁夹紧抽头。
其中，插孔是通孔。
其中，插接部与插孔的底部之间具有间隙。
其中，插接部表面涂覆绝缘材料。
其中，插孔是盲孔。
其中，柱状本体包括第一夹紧段和第二夹紧段，第一夹紧段具有第一夹紧槽，凸缘设于第一夹紧段的外侧壁；第二夹紧段与第一夹紧段连接，具有第二夹紧槽；其中，第一夹紧段包括左夹紧部和右夹紧部，左夹紧部和右夹紧部受压时相互靠拢以使第一夹紧槽的形变空间变小，从而压紧夹持于第二夹紧槽中的抽头。
其中，抽头固定件还包括夹紧件，夹紧件套设于第一夹紧段，以使左夹紧部和右夹紧部受压时相互靠拢，从而实现第一夹紧槽形的变空间变小。
其中，抽头固定件一体成型。
为解决上述技术问题，本发明还采用另一种技术方案，提供一种滤波器，包括腔体、盖板和谐振器，盖板封盖腔体，谐振器安装在腔体内，还包括抽头固定件，抽头固定件用于固定带有插接部的抽头，抽头固定件包括柱状本体，柱状本体一端开设有延径向贯穿的卡槽，卡槽底部设有插孔，柱状本体开设卡槽一端的外侧壁具有凸缘；抽头的插接部插设在插孔中，且抽头的插接部与插孔紧密配合；腔体上设有固定孔，抽头固定件插设在固定孔内，且固定孔的内壁挤压柱状本体的的凸缘以使卡槽的内壁夹紧抽头。
其中，插孔是通孔。
其中，插接部与插孔的底部之间具有间隙。
其中，插接部表面涂覆绝缘材料。
其中，插孔是盲孔。
其中，柱状本体包括第一夹紧段和第二夹紧段，第一夹紧段具有第一夹紧槽，凸缘设于第一夹紧段的外侧壁；第二夹紧段与第一夹紧段连接，具有第二夹紧槽；其中，第一夹紧段包括左夹紧部和右夹紧部，左夹紧部和右夹紧部受压时相互靠拢以使第一夹紧槽的形变空间变小，从而压紧夹持于第二夹紧槽中的抽头。
其中，固定孔包括第一固定孔和第二固定孔，第一固定孔作用于第一夹紧段，以使左夹紧部和右夹紧部相互靠拢，从而使第一夹紧槽的形变空间变小；第二固定孔与第一固定孔相通，用于固定第二夹紧段。
其中，第一固定孔的直径或宽度与第二固定孔相同。
其中，第一固定孔的直径或宽度比第二固定孔大且比第一夹紧段小。
其中，抽头固定件一体成型。
为解决上述技术问题，本发明还采用另一种技术方案，提供一种双工器，包括接收滤波器和发射滤波器，接收滤波器连接在接收端子和天线端子之间，发射滤波器连接在发送端子与天线端子之间，接收滤波器和发射滤波器为上述的滤波器。
为解决上述技术问题，本发明还采用另一种技术方案，提供一种射频拉远设备，包括射频收发信机模块、功放模块以及上述的双工器，射频收发信机模块与功放模块连接，功放模块与双工器连接。
本发明的有益效果是：区别于现有技术的情况，本发明提供一种射频拉远设备、双工器、滤波器以及抽头固定件，该抽头固定件包括柱状本体，其一端开设有延径向贯穿的卡槽，卡槽底部设有与抽头的插接部紧密配合的插孔，该抽头固定件加工工艺简单，抽头或抽头固定件装配简便且稳固，确保了滤波器信号指标稳定。
【附图说明】
图1是现有技术中抽头固定装置；
图2是本发明抽头固定件的柱状本体的立体图；
图3是图1中柱状本体的剖视图；
图4是本发明滤波器的腔体与抽头固定件的装配图；
图5是图4中腔体与抽头固定件装配的局部剖视图；
图6是本发明双工器的结构示意简图；
图7是本发明双工器的模块简图。
【具体实施方式】
在说明书及权利要求书当中使用了某些词汇来指称特定的组件。所属领域中的技术人员应可理解，制造商可能会用不同的名词来称呼同样的组件。本说明书及权利要求书并不以名称的差异来作为区分组件的方式，而是以组件在功能上的差异来作为区分的基准。下面结合附图和实施例对本发明进行详细说明。
本发明提供一种滤波器的抽头固定件，该抽头固定件用于固定带有插接部的抽头，抽头固定件包括柱状本体，柱状本体一端开设有延径向贯穿的卡槽，卡槽底部设有插孔，柱状本体开设卡槽一端的外侧壁具有凸缘；抽头的插接部插设在插孔中，且抽头的插接部与插孔紧密配合，柱状本体的凸缘受挤压时发生形变以使卡槽的内壁夹紧抽头。
其中，插孔是通孔。
其中，插接部与插孔的底部之间具有间隙。
其中，插接部表面涂覆绝缘材料。
其中，插孔是盲孔。
其中，柱状本体包括第一夹紧段和第二夹紧段，第一夹紧段具有第一夹紧槽，凸缘设于第一夹紧段的外侧壁；第二夹紧段与第一夹紧段连接，具有第二夹紧槽；其中，第一夹紧段包括左夹紧部和右夹紧部，左夹紧部和右夹紧部受压时相互靠拢以使第一夹紧槽的形变空间变小，从而压紧夹持于第二夹紧槽中的抽头。
其中，抽头固定件还包括夹紧件，夹紧件套设于第一夹紧段，以使左夹紧部和右夹紧部受压时相互靠拢，从而实现第一夹紧槽形的变空间变小。
其中，抽头固定件一体成型。
本发明还提供一种滤波器，其包括腔体、盖板和谐振器，盖板封盖腔体，谐振器安装在腔体内，还包括抽头固定件，抽头固定件用于固定带有插接部的抽头，抽头固定件包括柱状本体，柱状本体一端开设有延径向贯穿的卡槽，卡槽底部设有插孔，柱状本体开设卡槽一端的外侧壁具有凸缘；抽头的插接部插设在插孔中，且抽头的插接部与插孔紧密配合；腔体上设有固定孔，抽头固定件插设在固定孔内，且固定孔的内壁挤压柱状本体的的凸缘以使卡槽的内壁夹紧抽头。
其中，插孔是通孔。
其中，插接部与插孔的底部之间具有间隙。
其中，插接部表面涂覆绝缘材料。
其中，插孔是盲孔。
其中，柱状本体包括第一夹紧段和第二夹紧段，第一夹紧段具有第一夹紧槽，凸缘设于第一夹紧段的外侧壁；第二夹紧段与第一夹紧段连接，具有第二夹紧槽；其中，第一夹紧段包括左夹紧部和右夹紧部，左夹紧部和右夹紧部受压时相互靠拢以使第一夹紧槽的形变空间变小，从而压紧夹持于第二夹紧槽中的抽头。
其中，固定孔包括第一固定孔和第二固定孔，第一固定孔作用于第一夹紧段，以使左夹紧部和右夹紧部相互靠拢，从而使第一夹紧槽的形变空间变小；第二固定孔与第一固定孔相通，用于固定第二夹紧段。
其中，第一固定孔的直径或宽度与第二固定孔相同。
其中，第一固定孔的直径或宽度比第二固定孔大且比第一夹紧段小。
其中，抽头固定件一体成型。
本发明还提供一种双工器，其包括接收滤波器和发射滤波器，接收滤波器连接在接收端子和天线端子之间，发射滤波器连接在发送端子与天线端子之间，接收滤波器和发射滤波器为上述的滤波器。
本发明还提供一种射频拉远设备，包括射频收发信机模块、功放模块以及上述的双工器，射频收发信机模块与功放模块连接，功放模块与双工器连接。
请参阅图2和图3，图2是本发明抽头固定件的柱状本体的立体图，图3是图1中柱状本体的剖视图。
本发明滤波器的抽头固定件100用于夹紧固定抽头30，抽头30具有插接部31，抽头固定件100包括柱状本体10，柱状本体10一端开设有延径向贯穿的卡槽11，卡槽11底部设有插孔23，柱状本体10开设卡槽11一端的外侧壁具有凸缘30，凸缘30受挤压时发生形变以使卡槽11的内壁夹紧抽头30，插接部31插设在插孔23中，插接部31与插孔23紧密配合，插孔23可以是通孔或盲孔，插接部31与插孔23的底部之间具有间隙24，值得说明的是，本发明的插接部31表面涂覆有绝缘材料。
柱状本体10包括第一夹紧段12和第二夹紧段13，第一夹紧段12具有第一夹紧槽21，凸缘30设于第一夹紧段12的外侧壁；第二夹紧段13与第一夹紧段12连接，其具有第二夹紧槽22；其中，第一夹紧段12包括左夹紧部121和右夹紧部122，左夹紧部121和右夹紧部122受压时相互靠拢以使第一夹紧槽21的形变空间变小，从而压紧夹持于第二夹紧槽22中的抽头30。
在其它实施例中，抽头固定件100还可进一步包括夹紧件，夹紧件套设于第一夹紧段12，以使左夹紧部121和右夹紧部122受压时相互靠拢，从而实现第一夹紧槽21和形变空间变小。
本发明的抽头固定件100可以是一体制成。
请一并参阅图4和图5，图4是本发明滤波器的腔体与抽头固定件的装配图；图5是图4中腔体与抽头固定件装配的局部剖视图。
本发明还提供一种滤波器，其包括腔体40、盖板、谐振器以及上述的抽头固定件100，盖板封盖腔体40，谐振器安装在腔体40内，腔体40上设有固定孔410，抽头固定件100插设在固定孔410内，且固定孔410的内壁挤压柱状本体10的凸缘30以使卡槽11的内壁夹紧抽头30。
固定孔410包括第一固定孔411和第二固定孔412，第一固定孔411作用于第一夹紧段12，以使左夹紧部121和右夹紧部122相互靠拢从而使第一夹紧槽21的形变空间变小；第二固定孔412与第一固定孔411相通，用于固定第二夹紧段13，第一固定孔411的直径或宽度与第二固定孔412相同，当然，在其它实施例中，第一固定孔411的直径或宽度可以比第二固定孔412大且比第一夹紧段12小。
本发明的柱状本体10和腔体40可以是方形、圆柱形或其它形状，当然，柱状本体10为方形时，固定孔410对应地也为方形，柱状本体10为圆柱形时，固定孔410对应地也为圆形。
请一并参阅图6，图6是本发明双工器的结构示意简图，本发明的双工器50包括接收滤波器51和发射滤波器52，接收滤波器51连接在接收端子53和天线端子54之间，发射滤波器52连接在发送端子55与天线端子54之间，接收滤波器51和发射滤波器52为上述的滤波器。
请一并参阅图7，图7是本发明双工器的模块简图，本发明的射频拉远设备60包括射频收发信机模块61、功放模块62以及上述的双工器50，射频收发信机模块60与功放模块62连接，功放模块62与双工器50连接。
本发明提供一种射频拉远设备60、双工器50、滤波器以及抽头固定件100，抽头固定件100包括柱状本体10，其一端开设有延径向贯穿的卡槽11，卡槽11底部设有与插接部31紧密配合的插孔23，该抽头固定件100加工工艺简单，抽头30或抽头固定件100装配简便且稳固，确保了滤波器信号指标稳定。
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (20)

  1. 一种滤波器的抽头固定件，其特征在于，所述抽头固定件用于固定带有插接部的抽头，所述抽头固定件包括柱状本体，所述柱状本体一端开设有延径向贯穿的卡槽，所述卡槽底部设有插孔，所述柱状本体开设卡槽一端的外侧壁具有凸缘；所述抽头的插接部插设在所述插孔中，且所述抽头的插接部与所述插孔紧密配合，所述柱状本体的凸缘受挤压时发生形变以使所述卡槽的内壁夹紧所述抽头。
  2. 根据权利要求1所述的抽头固定件，其特征在于，所述插孔是通孔。
  3. 根据权利要求2所述的抽头固定件，其特征在于，所述插接部与所述插孔的底部之间具有间隙。
  4. 根据权利要求2所述的抽头固定件，其特征在于，所述插接部表面涂覆绝缘材料。
  5. 根据权利要求1所述的抽头固定件，其特征在于，所述插孔是盲孔。
  6. 根据权利要求1所述的抽头固定件，其特征在于，所述柱状本体包括：
    第一夹紧段，具有第一夹紧槽，所述凸缘设于所述第一夹紧段的外侧壁；
    第二夹紧段，与所述第一夹紧段连接，具有第二夹紧槽；
    其中，所述第一夹紧段包括左夹紧部和右夹紧部，所述左夹紧部和所述右夹紧部受压时相互靠拢以使所述第一夹紧槽的形变空间变小，从而压紧夹持于所述第二夹紧槽中的所述抽头。
  7. 根据权利要求6所述的抽头固定件，其特征在于，所述抽头固定件还包括夹紧件，所述夹紧件套设于所述第一夹紧段，以使所述左夹紧部和所述右夹紧部受压时相互靠拢，从而实现所述第一夹紧槽形的变空间变小。
  8. 根据权利要求1所述的抽头固定件，其特征在于，所述抽头固定件一体成型。
  9. 一种滤波器，包括腔体、盖板和谐振器，所述盖板封盖所述腔体，所述谐振器安装在所述腔体内，其特征在于，还包括抽头固定件，所述抽头固定件用于固定带有插接部的抽头，所述抽头固定件包括柱状本体，所述柱状本体一端开设有延径向贯穿的卡槽，所述卡槽底部设有插孔，所述柱状本体开设卡槽一端的外侧壁具有凸缘；所述抽头的插接部插设在所述插孔中，且所述抽头的插接部与所述插孔紧密配合；所述腔体上设有固定孔，所述抽头固定件插设在所述固定孔内，且所述固定孔的内壁挤压所述柱状本体的的凸缘以使所述卡槽的内壁夹紧所述抽头。
  10. 根据权利要求9所述的抽头固定件，其特征在于，所述插孔是通孔。
  11. 根据权利要求10所述的滤波器，其特征在于，所述插接部与所述插孔的底部之间具有间隙。
  12. 根据权利要求10所述的抽头固定件，其特征在于，所述插接部表面涂覆绝缘材料。
  13. 根据权利要求9所述的抽头固定件，其特征在于，所述插孔是盲孔。
  14. 根据权利要求9所述的滤波器，其特征在于，所述柱状本体包括：
    第一夹紧段，具有所述第一夹紧槽，所述凸缘设于所述第一夹紧段的外侧壁；
    第二夹紧段，与所述第一夹紧段连接，具有所述第二夹紧槽；
    其中，所述第一夹紧段包括左夹紧部和右夹紧部，所述左夹紧部和所述右夹紧部受压时相互靠拢以使所述第一夹紧槽的形变空间变小，从而压紧夹持于所述第二夹紧槽中的所述抽头。
  15. 根据权利要求14所述的滤波器，其特征在于，所述固定孔包括：
    第一固定孔，作用于所述第一夹紧段，以使所述左夹紧部和所述右夹紧部相互靠拢，从而使所述第一夹紧槽的形变空间变小；
    第二固定孔，与所述第一固定孔相通，用于固定所述第二夹紧段。
  16. 根据权利要求15所述的滤波器，其特征在于，所述第一固定孔的直径或宽度与所述第二固定孔相同。
  17. 根据权利要求15所述的滤波器，其特征在于，所述第一固定孔的直径或宽度比所述第二固定孔大且比第一夹紧段小。
  18. 根据权利要求9所述的滤波器，其特征在于，所述抽头固定件一体成型。
  19. 一种双工器，包括接收滤波器和发射滤波器，所述接收滤波器连接在接收端子和天线端子之间，所述发射滤波器连接在发送端子与所述天线端子之间，其特征在于，所述接收滤波器和发射滤波器为权利要求9~18任意一项所述的滤波器。
  20. 一种射频拉远设备，其特征在于，包括射频收发信机模块、功放模块以及权利要求19所述的双工器，所述射频收发信机模块与所述功放模块连接，所述功放模块与所述双工器连接。
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