CN207099215U - A kind of adjustable digital frequency demultiplier housing - Google Patents

A kind of adjustable digital frequency demultiplier housing Download PDF

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Publication number
CN207099215U
CN207099215U CN201720267313.2U CN201720267313U CN207099215U CN 207099215 U CN207099215 U CN 207099215U CN 201720267313 U CN201720267313 U CN 201720267313U CN 207099215 U CN207099215 U CN 207099215U
Authority
CN
China
Prior art keywords
waveguide
cover body
outer cover
connecting pole
regulating sleeve
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN201720267313.2U
Other languages
Chinese (zh)
Inventor
徐熔
顾勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Chuang Da Photoelectric Hardware Co Ltd
Original Assignee
Suzhou Chuang Da Photoelectric Hardware Co Ltd
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 Suzhou Chuang Da Photoelectric Hardware Co Ltd filed Critical Suzhou Chuang Da Photoelectric Hardware Co Ltd
Priority to CN201720267313.2U priority Critical patent/CN207099215U/en
Application granted granted Critical
Publication of CN207099215U publication Critical patent/CN207099215U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of adjustable digital frequency demultiplier housing, including outer cover body, waveguide, regulating sleeve, feed cylinder;Waveguide is vertically arranged with outer cover body, regulating sleeve is sheathed on outside waveguide;Two guide pillars are vertically arranged with outer cover body, regulating sleeve outer lower portion is provided with connecting pole, through hole is provided with connecting pole;Connecting pole is sheathed on guide pillar;Spring is arranged with guide pillar, spring is between connecting pole and outer cover body;External screw thread is provided with guide pillar, nut is installed on guide pillar, nut is located at the top of connecting pole;Be provided with waveguide along axis of a waveguide to guide groove, feed cylinder be connected through guide groove with waveguide front end;Waveguide, regulating sleeve, feed cylinder form the flared structure that stairstepping expands outwardly.The utility model is rational in infrastructure, can reduce the decay of signal, and tuning range is wide, and frequency reducing effect is good, at the same can effective electromagnetic wave absorption, avoid external disturbance.

Description

A kind of adjustable digital frequency demultiplier housing
Technical field
Frequency demultiplier production field is the utility model is related to, more particularly to a kind of adjustable digital frequency demultiplier housing.
Background technology
Satellite TV set receives satellite TV set receiver tuner, is called frequency demultiplier (LNB), is that satellite TV set receives An important active parts in system, the quality of its performance directly affect satellite TV set and receive satellite TV set signal Quality.The feeder structure of traditional frequency demultiplier is fixed, and adjustability is poor, to the signal of different frequency range, can be produced certain signal and be declined Subtract.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of adjustable digital frequency demultiplier housing, use is adjustable The feeder structure of formula, solves the problem of traditional frequency demultiplier shell adjustability is poor, and tuning range is small, and signal is also easy to produce decay.
To reach above-mentioned purpose, the technical solution of the utility model is as follows:A kind of adjustable digital frequency demultiplier housing, including Outer cover body, waveguide, regulating sleeve, feed cylinder;Waveguide, the adjusting set jacket casing are vertically arranged with the outer cover body Outside the waveguide;Two guide pillars are vertically arranged with the outer cover body, two guide pillars are relatively arranged on institute The both sides of regulating sleeve are stated, the regulating sleeve outer lower portion is provided with connecting pole, through hole is provided with the connecting pole;It is described Connecting pole is sheathed on the guide pillar;Spring is arranged with the guide pillar, the spring is located at the connecting pole and the shell Between body;External screw thread is provided with the guide pillar, nut is installed on the guide pillar, the nut is located at the connecting pole Top;Be provided with the waveguide along the axis of a waveguide to guide groove, the feed cylinder is through the guide groove and the ripple Catheter proximal end connects;The waveguide, regulating sleeve, feed cylinder form the flared structure that stairstepping expands outwardly.
As a kind of preferred scheme of the present utility model, the outer cover body, waveguide, regulating sleeve, feed cylinder are aluminium Alloy material is made.
As a kind of preferred scheme of the present utility model, binding post is tiltedly installed with the outer cover body.
As a kind of preferred scheme of the present utility model, prismatic is arranged at intervals with the outer cover body surface.
As a kind of preferred scheme of the present utility model, the outer cover body surface is coated with microwave absorbing coating.
Pass through above-mentioned technical proposal, the beneficial effect of technical solutions of the utility model are:The utility model is rational in infrastructure, uses In the shell as adjustable digital frequency demultiplier, the loudspeaker that stairstepping expands outwardly is formed using waveguide, regulating sleeve, feed cylinder Shape structure can change the structure of loop, digital with inside drops as loop by adjusting the position of regulating sleeve Frequency device component coordinates, and can reduce the decay of signal, and tuning range is wide, and frequency reducing effect is good, while using interval prismatic And microwave absorbing coating, can effective electromagnetic wave absorption, avoid external disturbance.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Corresponding component title of the numeral represented by with letter in figure:
1. the regulating sleeve of 2. waveguide of outer cover body 3.
4. feed the spring of 5. guide pillar of cylinder 6.
7. guide groove.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment
With reference to Fig. 1, the utility model is a kind of adjustable digital frequency demultiplier housing, for installing digital frequency demultiplier, including Outer cover body 1, waveguide 2, regulating sleeve 3, feed cylinder 4.Outer cover body 1, waveguide 2, regulating sleeve 3, feed cylinder 4 are preferably Aluminum alloy materials are made.Waveguide 2 is vertically arranged with outer cover body 1, regulating sleeve 3 is sheathed on outside waveguide 2;In shell Two guide pillars 5 are vertically arranged with body 1, two guide pillars 5 are relatively arranged on the both sides of regulating sleeve 3, the outer lower portion of regulating sleeve 3 Connecting pole is installed, through hole is provided with connecting pole;Connecting pole is sheathed on guide pillar 5;Spring 6, spring 6 are arranged with guide pillar 5 Between connecting pole and outer cover body 1;External screw thread is provided with guide pillar 5, nut is installed, nut is positioned at connection on guide pillar 5 The top of post;The guide groove 7 along the axial direction of waveguide 2 is provided with waveguide 2, feed cylinder 4 connects through guide groove 7 and the front end of waveguide 2 Connect;Waveguide 2, regulating sleeve 3, feed cylinder 4 form the flared structure that stairstepping expands outwardly, and flared structure plays feed The effect of device.The position of regulating sleeve 3 can be adjusted by nut, so as to adjust feed structure.It is obliquely installed on outer cover body 1 There is binding post, it is convenient to carry out wiring.
In order to prevent external disturbance, the absorbing property of outer cover body 1 is improved, rib is arranged at intervals with the surface of outer cover body 1 Shape is raised.The surface of outer cover body 1 is coated with microwave absorbing coating.
By above-mentioned specific embodiment, the beneficial effects of the utility model are:The utility model is rational in infrastructure, for conduct The shell of adjustable digital frequency demultiplier, the loudspeaker that stairstepping expands outwardly are formed using waveguide 2, regulating sleeve 3, feed cylinder 4 Shape structure can change the structure of loop, digital with inside drops as loop by adjusting the position of regulating sleeve 3 Frequency device component coordinates, and can reduce the decay of signal, and tuning range is wide, and frequency reducing effect is good, while using interval prismatic And microwave absorbing coating, can effective electromagnetic wave absorption, avoid external disturbance.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (5)

1. a kind of adjustable digital frequency demultiplier housing, it is characterised in that including outer cover body, waveguide, regulating sleeve, feed Cylinder;Waveguide is vertically arranged with the outer cover body, the regulating sleeve is sheathed on outside the waveguide;In the shell Two guide pillars are vertically arranged with body, two guide pillars are relatively arranged on the both sides of the regulating sleeve, the regulating sleeve Outer lower portion is provided with connecting pole, and through hole is provided with the connecting pole;The connecting pole is sheathed on the guide pillar;It is described to lead Spring is arranged with post, the spring is between the connecting pole and the outer cover body;Outer spiral shell is provided with the guide pillar Line, nut is installed on the guide pillar, the nut is located at the top of the connecting pole;It is provided with the waveguide along described Axis of a waveguide to guide groove, it is described feed cylinder be connected through the guide groove with the waveguide front end;The waveguide, adjusting set Cylinder, feed cylinder form the flared structure that stairstepping expands outwardly.
2. adjustable digital frequency demultiplier housing according to claim 1, it is characterised in that the outer cover body, waveguide, Regulating sleeve, feed cylinder are made up of aluminum alloy materials.
3. adjustable digital frequency demultiplier housing according to claim 2, it is characterised in that tilt and set on the outer cover body It is equipped with binding post.
4. adjustable digital frequency demultiplier housing according to claim 2, it is characterised in that between the outer cover body surface Every being provided with prismatic.
5. adjustable digital frequency demultiplier housing according to claim 2, it is characterised in that the outer cover body surface coating There is microwave absorbing coating.
CN201720267313.2U 2017-03-17 2017-03-17 A kind of adjustable digital frequency demultiplier housing Expired - Fee Related CN207099215U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720267313.2U CN207099215U (en) 2017-03-17 2017-03-17 A kind of adjustable digital frequency demultiplier housing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720267313.2U CN207099215U (en) 2017-03-17 2017-03-17 A kind of adjustable digital frequency demultiplier housing

Publications (1)

Publication Number Publication Date
CN207099215U true CN207099215U (en) 2018-03-13

Family

ID=61549955

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720267313.2U Expired - Fee Related CN207099215U (en) 2017-03-17 2017-03-17 A kind of adjustable digital frequency demultiplier housing

Country Status (1)

Country Link
CN (1) CN207099215U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180313

Termination date: 20190317

CF01 Termination of patent right due to non-payment of annual fee