CN212519234U

CN212519234U - Frequency demultiplier convenient to use

Info

Publication number: CN212519234U
Application number: CN202021077710.1U
Authority: CN
Inventors: 常嘉伟; 王霞; 王志伟
Original assignee: Jiangsu Fulanke Information Technology Co ltd
Current assignee: Jiangsu Fulanke Information Technology Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-02-09
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a frequency demultiplier convenient to use, including protective housing, protective housing's one end swing joint installs first connecting wire, antenna connector is installed to the other end fixed connection of first connecting wire, protective housing's other end swing joint installs the second connecting wire, the other end fixed connection of second connecting wire installs the CD machine plug, protective housing's both ends face has all been seted up and has been alternated the through-hole, protective housing's inside is located to alternate through-hole edge department fixed mounting and has rubber packing ring. A convenient to use's frequency demultiplier, can fasten more link up with the connecting piece, prevent to drop to its leakproofness can be better prevent that external moisture and dust from getting into the trouble that brings, and can prevent that the wire is impaired, and can be when wire length is not enough suitable prolong, with guarantee normal use.

Description

Frequency demultiplier convenient to use

Technical Field

The utility model relates to a frequency demultiplier field, in particular to convenient to use's frequency demultiplier.

Background

The satellite television receives the tuner of the satellite television receiver, also called the frequency demultiplier (LNB), is an important active component in the satellite television receiving system, the quality of its performance directly influences the quality of the satellite television receiving the flag lamp of the satellite television, have better frequency demultiplier effect, and the production cost is lower, apply to each field extensively; however, the existing frequency demultiplier has certain disadvantages when in use, the two connected ends are easy to separate or loosen due to the influence of various factors to cause poor contact, the port sealing performance is poor, dust and moisture are easy to mix into the frequency demultiplier to cause troubles, and in addition, the connected lead can play a certain buffering role when being pulled, so that the line segment can be protected from being damaged, and the frequency demultiplier cannot be directly used when the length of the line segment is not enough.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a frequency demultiplier convenient to use, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a frequency demultiplier convenient to use, includes protective housing, protective housing's one end swing joint installs first connecting wire, antenna terminal is installed to the other end fixed connection of first connecting wire, protective housing's other end swing joint installs the second connecting wire, the other end fixed connection of second connecting wire installs the CD machine plug.

Preferably, the two end faces of the protective shell are provided with penetrating through holes, and rubber gaskets are fixedly arranged in the protective shell and located at the edge openings of the penetrating through holes.

Preferably, the surface of the first connecting wire is located the inside fixed mounting of protecting casing and has a first solid fixed ring, the surface of the first connecting wire is located the inside cover of protecting casing and establishes and install first return spring, the first connecting wire is connected with protecting casing internal component through passing through the through-hole.

Preferably, the inside fixed mounting that the surface of second connecting wire is located protective housing has the solid fixed ring of second, the inside cover that the surface of second connecting wire is located protective housing establishes and installs second return spring, the second connecting wire is connected with protective housing internal component through passing the interlude through-hole.

Preferably, a first limiting ring is fixedly mounted at a butt joint edge opening of the antenna joint, and a first spiral ring is sleeved on the outer surface of the antenna joint.

Preferably, the lantern joint is installed to the other end fixed connection of CD player plug, the surface cover of CD player plug is established and is installed No. two volutes, the surface middle part fixed mounting of No. two volutes has the sealing ring, the surface fixed mounting of CD player plug has the spacing ring, the surperficial one side fixed mounting of spacing ring has the sealing washer, the surface of CD player plug is located one side of sealing ring and is equipped with outer spiral line.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the antenna joint and the CD machine plug that set up, a spiro and No. two spiro that antenna joint and CD machine plug surface cover were established can link up with the connecting piece more fastening, prevent to drop, and the trouble that external moisture and dust got into and bring can be better prevented to its leakproofness, first connecting wire and second connecting wire through setting up, when first connecting wire and second connecting wire received external pulling force, first return spring and second return spring will play certain cushioning effect, inside predetermined unnecessary wire will be pulled out simultaneously, like this alright prevent that the wire is impaired, and can be when wire length is not enough suitable prolong, in order to ensure normal use.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a frequency demultiplier of the present invention;

fig. 2 is a partial cross-sectional view of an antenna terminal of a frequency down converter of the present invention;

FIG. 3 is a partial cross-sectional view of a CD player plug of a frequency demultiplier of the present invention;

fig. 4 is a partial cross-sectional view of a protective housing of a frequency demultiplier of the present invention.

In the figure: 1. a protective housing; 101. inserting through holes; 102. a rubber gasket; 2. a first connecting line; 201. a first retaining ring; 202. a first return spring; 3. an antenna terminal; 301. a first limit ring; 302. a spiro ring I; 4. a second connecting line; 401. a second retaining ring; 402. a second return spring; 5. a CD player plug; 501. a lantern joint; 502. a spiro ring II; 503. a seal ring; 504. external spiral threads; 505. a limiting ring; 506. and (5) sealing rings.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a frequency demultiplier convenient to use comprises a protective shell 1, wherein one end of the protective shell 1 is movably connected with a first connecting wire 2, the other end of the first connecting wire 2 is fixedly connected with an antenna connector 3, the other end of the protective shell 1 is movably connected with a second connecting wire 4, and the other end of the second connecting wire 4 is fixedly connected with a CD player plug 5;

two end faces of the protective shell 1 are both provided with inserting through holes 101, and rubber gaskets 102 are fixedly arranged in the protective shell 1 at the edge openings of the inserting through holes 101; a first fixing ring 201 is fixedly arranged on the surface of the first connecting wire 2 in the protective shell 1, a first return spring 202 is sleeved on the surface of the first connecting wire 2 in the protective shell 1, and the first connecting wire 2 is connected with an internal element of the protective shell 1 by penetrating through the penetrating through hole 101; a second fixing ring 401 is fixedly arranged on the surface of the second connecting wire 4 in the protective shell 1, a second return spring 402 is sleeved on the surface of the second connecting wire 4 in the protective shell 1, the second connecting wire 4 is connected with an internal element of the protective shell 1 by penetrating through the penetrating through hole 101, when the first connecting wire 2 and the second connecting wire 4 are subjected to external pulling force, the first return spring 202 and the second return spring 402 play a certain buffering role, and meanwhile, redundant wires preset in the inner part are pulled out, so that the wires can be prevented from being damaged, and can be properly prolonged when the lengths of the wires are insufficient, so that normal use is guaranteed; a first limiting ring 301 is fixedly installed at the butt joint edge opening of the antenna joint 3, and a first spiral ring 302 is installed on the outer surface of the antenna joint 3 in a sleeved mode; lantern joint 501 is installed to CD player plug 5's other end fixed connection, CD player plug 5's surface cover is established and is installed No. two spiro rings 502, No. two spiro rings 502's surface middle part fixed mounting has sealing ring 503, CD player plug 5's surface fixed mounting has spacing ring 505, surface one side fixed mounting of spacing ring 505 has sealing washer 506, one side that CD player plug 5's surface is located sealing ring 503 is equipped with outer spiral line 504, antenna joint 3 and CD player plug 5 can link up with the connecting piece more firmly, prevent to drop, and its leakproofness can be better prevent that external moisture and dust from getting into the trouble that brings.

It should be noted that, the utility model relates to a frequency demultiplier convenient to use, when using, first, the antenna connector 3 of the frequency demultiplier can be connected with the antenna plug, during the connection, the antenna plug is inserted into the antenna connector 3, then the first spiral ring 302 is rotated to be butted and fixed with the preset screw thread on the surface of the antenna plug, after the fixation, the sealing gasket of the port of the first spacing ring 301 seals the butted port, also when butting the CD player plug 5, the lantern connector 501 is inserted into the radio interface first, then the second spiral ring 502 is rotated to make the external spiral thread 504 be connected with the preset screw thread at the port of the radio interface, after the connection, the sealing ring 503 seals the gap, thus the antenna connector 3 and the CD player plug 5 can be more tightly connected with the connecting piece to prevent the dropping, and the sealing performance can better prevent the trouble caused by the external moisture and dust entering, when the connecting wire is connected for use, when the first connecting wire 2 and the second connecting wire 4 are pulled by the outside, the first return spring 202 and the second return spring 402 can play a certain buffering role, and meanwhile, the redundant wires preset inside can be pulled out, so that the wires can be prevented from being damaged, and the wires can be properly prolonged when the lengths of the wires are not enough, so that the normal use is ensured.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A frequency downconverter for use with convenience, comprising: including protective housing (1), first connecting wire (2) are installed to the one end swing joint of protective housing (1), antenna connector (3) are installed to the other end fixed connection of first connecting wire (2), second connecting wire (4) are installed to the other end swing joint of protective housing (1), CD machine plug (5) are installed to the other end fixed connection of second connecting wire (4).

2. A convenient frequency downconverter as claimed in claim 1 wherein: the two end faces of the protection shell (1) are provided with penetrating through holes (101), and rubber gaskets (102) are fixedly mounted at the edge openings of the penetrating through holes (101) in the protection shell (1).

3. A convenient frequency downconverter as claimed in claim 2 wherein: the surface of first connecting wire (2) is located the inside fixed mounting of protective housing (1) and has first solid fixed ring (201), the surface of first connecting wire (2) is located the inside cover of protective housing (1) and establishes and installs first return spring (202), first connecting wire (2) are connected with protective housing (1) inner member through passing interlude through-hole (101).

4. A convenient frequency downconverter as claimed in claim 1 wherein: the surface of second connecting wire (4) is located the fixed ring (401) of inside fixed mounting of protective housing (1) second, the surface of second connecting wire (4) is located the inside cover of protective housing (1) and establishes and installs second return spring (402), second connecting wire (4) are connected with protective housing (1) inner member through passing interlude through-hole (101).

5. A convenient frequency downconverter as claimed in claim 1 wherein: the antenna connector is characterized in that a first limiting ring (301) is fixedly mounted at the butt joint edge opening of the antenna connector (3), and a first spiral ring (302) is sleeved on the outer surface of the antenna connector (3).

6. A convenient frequency downconverter as claimed in claim 1 wherein: the lantern joint (501) is installed to the other end fixed connection of CD machine plug (5), the outer surface cover of CD machine plug (5) is established and is installed No. two spiro rings (502), the outer surface middle part fixed mounting of No. two spiro rings (502) has sealing ring (503), the outer fixed surface of CD machine plug (5) installs spacing ring (505), the surperficial one side fixed mounting of spacing ring (505) has sealing washer (506), one side that the surface of CD machine plug (5) is located sealing ring (503) is equipped with outer spiral line (504).