CN214045582U

CN214045582U - Miniature network filter

Info

Publication number: CN214045582U
Application number: CN202120276597.8U
Authority: CN
Inventors: 朱筱荣
Original assignee: Jiangsu Lida Safety Protection Technology Co ltd
Current assignee: Jiangsu Lida Safety Protection Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-08-24
Anticipated expiration: 2031-01-29

Abstract

The utility model relates to a miniature network filter, including the casing to and install wave filter and the network joint in the casing, the interface board is installed to the front end of casing, and the network joint is provided with two, and one of them network joint sets up at the inside front end of casing and fixes on the interface board, and another network joint sets up in the inside rear end of casing, and the wave filter setting is between two network joints, and the link of wave filter links to each other with two network joints respectively. The utility model is not only simple in structure is compact, shields effectually moreover, improves network signal's complete ability, and convenient to use is simple.

Description

Miniature network filter

Technical Field

The utility model belongs to the technical field of the network interface, concretely relates to miniature network filter.

Background

The state has related confidentiality requirements on military enterprises and military equipment, when military units and military use the related equipment such as computers and the like, network signals connected with the equipment such as computers and the like need to be filtered to shield interference signals, and the conventional mode is that a filter is externally connected in a network circuit to filter the network signals, so that the connection process is troublesome and the use is extremely inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a miniature network filter to solve the inconvenient problem of network signal filtration.

The utility model discloses a miniature network filter realizes like this:

a miniature network filter comprises a shell, a filter and two network connectors, wherein the filter and the network connectors are installed in the shell, an interface board is installed at the front end of the shell, the two network connectors are arranged, one network connector is arranged at the front end inside the shell and fixed on the interface board, the other network connector is arranged at the rear end inside the shell, the filter is arranged between the two network connectors, and the connecting end of the filter is connected with the two network connectors respectively.

Furthermore, the interface board is provided with a mounting port, and a network connector located at the front end in the housing is fixedly mounted in the mounting port.

Furthermore, the connecting ends of the filter are located on the front side and the rear side of the filter and are respectively opposite to the two network connectors.

Furthermore, the connecting end of the filter is provided with a connecting pin, the inner end of the network connector is provided with a connecting pin, and the connecting pin is correspondingly connected with the connecting pin of the network connector opposite to the connecting pin.

Furthermore, install the location ball that can stretch out and draw back on two relative lateral walls of wave filter, be provided with on the inner wall of casing with location ball complex constant head tank, location ball card is in when the wave filter is installed in the casing in the constant head tank.

Furthermore, the side wall of the filter is provided with a mounting hole, a spring is fixedly mounted in the mounting hole, and the positioning ball is mounted at the outer end of the spring.

Furthermore, the width of the interface board is larger than that of the shell, and two ends of the interface board are respectively provided with an installation through hole.

Further, the shell and the interface board are both made of conductive metal materials.

After the technical scheme is adopted, the utility model discloses the beneficial effect who has does:

the utility model discloses a connect the wave filter between two network joint to with the three integration in a casing, not only simple structure is compact, can be with in its direct series network circuit moreover, thereby realize the filtration to network signal, guarantee the shielding function, improve network signal's complete ability, convenient to use is simple.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a block diagram of a micro network filter according to a preferred embodiment of the present invention;

fig. 2 is a structural diagram of a micro network filter according to a preferred embodiment of the present invention;

fig. 3 is a front sectional view of a micro network filter according to a preferred embodiment of the present invention;

fig. 4 is a front sectional view of the housing and the interface board of the micro network filter according to the preferred embodiment of the present invention;

fig. 5 is a left side sectional view of the filter of the micro network filter according to the preferred embodiment of the present invention;

fig. 6 is a diagram showing the use state of the micro network filter according to the preferred embodiment of the present invention;

in the figure: the filter comprises a shell 1, a positioning groove 11, a filter 2, a connecting pin 21, a mounting hole 22, a network connector 3, a connecting pin 31, an interface board 4, a mounting opening 41, a mounting through hole 42, a positioning ball 5, a spring 6, a signal input network cable 7 and a signal output network cable 8.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-6, a miniature network filter comprises a housing 1, and a filter 2 and two network connectors 3 mounted in the housing 1, wherein an interface board 4 is mounted at the front end of the housing 1, two network connectors 3 are provided, one of the network connectors 3 is disposed at the front end inside the housing 1 and fixed on the interface board 4, the other network connector 3 is disposed at the rear end inside the housing 1, the filter 2 is disposed between the two network connectors 3, and the connection ends of the filter 2 are respectively connected with the two network connectors 3.

Specifically, the casing 1 is a square tubular joint with openings at two ends, the interface board 4 is welded at the front end of the casing 1, the interface board 4 is arranged to facilitate the installation of the whole miniature network filter 2, the network joint 3 at the rear end inside the casing 1 is directly welded with the rear end of the casing 1, and the interface of the network joint 3 is arranged outwards.

Preferably, the network connector 3 located at the front end inside the housing 1 is an input end network connector, and the network connector 3 located at the rear end inside the housing 1 is an output end network connector, that is, a network signal is input from the input end network connector, filtered by the filter 2, and then output from the output end network connector.

In order to realize the matching of the interface board 4 and the input end network connector, the interface board 4 is provided with a mounting port 41, and the network connector 3 positioned at the front end in the shell 1 is fixedly mounted in the mounting port 41.

Specifically, the end of the input end network connector where the interface is located is directly welded in the mounting port 41, and after the input end network connector is installed in the housing 1, the interface board 4 and the housing 1 are welded, so that the housing 1, the interface board 4 and the input end network connector can be effectively fixed.

In order to facilitate the connection of the filter 2 to the two network connectors 3, the connection terminals of the filter 2 are located at the front and rear sides thereof, and are respectively opposite to the two network connectors 3.

In order to realize the signal connection between the filter 2 and the two network connectors 3, the connection end of the filter 2 is provided with a connection pin 21, the inner end of the network connector 3 is provided with a connection pin 31, and the connection pin 21 is correspondingly connected with the connection pin 31 of the network connector 3 opposite to the connection pin 21.

Specifically, connect pin 21 and the direct butt joint of connecting needle 31 rather than corresponding to adopt the welded mode to connect, can save the intermediate junction line, reduce the tie point, reduce connection failure, guarantee the validity of connecting.

In order to fix a position the position of wave filter 2, install the location ball 5 that can stretch out and draw back on two relative lateral walls of wave filter 2, be provided with on casing 1's the inner wall with location ball 5 complex constant head tank 11, location ball 5 card is in constant head tank 11 when wave filter 2 installs in casing 1.

In order to realize the extension and contraction of the positioning ball 5, a mounting hole 22 is formed in the side wall of the filter 2, a spring 6 is fixedly mounted in the mounting hole 22, and the positioning ball 5 is mounted at the outer end of the spring 6.

In the process of putting into the casing 1 with wave filter 2, in the location ball 5 retraction mounting hole 22 to compression spring 6, after wave filter 2 removed its mounted position, then location ball 5 stretched out the card under the effect of spring 6 and gone into the constant head tank 11, thereby realized the fixed to wave filter 2 position, and can also guarantee that two network joint 3's position is accurate.

In order to facilitate the installation of the micro network filter 2 on a computer or other device, the width of the interface board 4 is greater than the width of the housing 1, and the two ends of the interface board 4 are respectively provided with an installation through hole 42.

In order to ensure the shielding effect of the miniature network filter 2, the shell 1 and the interface board 4 are made of conductive metal materials.

Preferably, the interface board 4 and the connector board can be made of brass, which has good shielding performance and avoids interference of external signals to network signals therein.

The utility model discloses a micro filter 2 is when installing, at first with input network joint welding on interface board 4, then be connected filter 2 with two network joint 3 respectively, be about to connecting pin 21 of filter 2 and its network joint 3's that corresponds connection needle 31 welding together, then filter 2 and two network joint 3 that link together begin to pack into casing 1 from casing 1's front end with output network joint in the back, after filter 2 assembles to the installation position, 5 cards of location ball are in constant head tank 11, and interface board 4 then laminates the front end at casing 1, output network joint is located the inside rear end of casing 1, then respectively with interface board 4 and casing 1, and casing 1 and output network interface welding can.

As shown in fig. 6, the signal input network cable 7 is installed on the input end network interface in a matching manner, the signal output network cable 8 is installed on the output end network interface in a matching manner, the network signal is accessed from the signal input network cable 7, and is output from the signal output network cable 8 after being filtered by the filter 2, so that the filtering of the network signal is realized, the interference signal in the network signal is shielded, and the safety of the network signal is ensured.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The miniature network filter is characterized by comprising a shell (1), and a filter (2) and two network connectors (3) which are arranged in the shell (1), wherein an interface board (4) is arranged at the front end of the shell (1), the two network connectors (3) are arranged, one network connector (3) is arranged at the front end in the shell (1) and is fixed on the interface board (4), the other network connector (3) is arranged at the rear end in the shell (1), the filter (2) is arranged between the two network connectors (3), and the connecting ends of the filter (2) are respectively connected with the two network connectors (3).

2. The mini network filter according to claim 1, wherein the interface board (4) is provided with a mounting opening (41), and the network connector (3) at the front end in the housing (1) is fixedly mounted in the mounting opening (41).

3. Miniature network filter according to claim 1, characterized in that the connection ends of the filter (2) are located on its front and rear sides, respectively opposite the two network taps (3).

4. The miniature network filter according to claim 3, wherein the connecting end of the filter (2) is provided with a connecting pin (21), the inner end of the network connector (3) is provided with a connecting pin (31), and the connecting pin (21) is correspondingly connected with the connecting pin (31) of the network connector (3) opposite to the connecting pin.

5. The miniature network filter according to claim 1, wherein telescopic positioning balls (5) are mounted on two opposite side walls of the filter (2), positioning grooves (11) matched with the positioning balls (5) are formed on the inner wall of the housing (1), and the positioning balls (5) are clamped in the positioning grooves (11) when the filter (2) is mounted in the housing (1).

6. The miniature network filter according to claim 5, wherein the side wall of the filter (2) is provided with a mounting hole (22), a spring (6) is fixedly mounted in the mounting hole (22), and the positioning ball (5) is mounted at the outer end of the spring (6).

7. The mini network filter according to claim 1, wherein the width of the interface board (4) is larger than the width of the housing (1), and the two ends of the interface board (4) are respectively provided with a mounting through hole (42).

8. Miniature network filter according to claim 1, characterized in that said housing (1) and interface board (4) are both of electrically conductive metal material.