CN219248336U

CN219248336U - Guide groove of equalizing attenuator

Info

Publication number: CN219248336U
Application number: CN202223066116.4U
Authority: CN
Inventors: 邱达飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-06-23
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to a guide groove of an equilibrium attenuator, which comprises a shell body consisting of a left cavity and a right cavity, wherein the upper end of the left cavity is empty, the lower end of the left cavity is provided with a fixed plate, a plurality of conductive core inserting pipes are embedded on the fixed plate, and the lower ends of the conductive core inserting pipes are exposed below the fixed plate; the upper end of the right cavity is provided with a protective cover, and the lower end of the right cavity is empty; the beneficial effects of this embodiment lie in: the attenuator is indirectly and fixedly arranged in the guide groove, the installation strength is high, the attenuator is not easy to collide and break, the equalizer is protected in the right cavity, and the attenuator is attractive and elegant.

Description

Guide groove of equalizing attenuator

Technical Field

The present utility model relates to an attenuator-mounting related fitting for use in an optoelectronic transmission process.

Background

In the entire CATV system, attenuators are used in optical receivers.

At present, when the attenuator is installed, the attenuator is directly fixed on the circuit board, so that the attenuator is installed, and the attenuator is easy to damage in the collision process because the attenuator has a considerable height.

The CATV component also has an equalizer, which is also mounted adjacent to the attenuator, and is exposed to dust and is not attractive because the equalizer is a small plate with parts.

Disclosure of Invention

In order to overcome the defects that an equalizer and an attenuator are inconvenient to install and easy to collide and damage in the existing CATV system, the utility model provides an equalizing attenuator guide groove.

The technical scheme for solving the technical problems is as follows: the guide groove of the equalizing attenuator comprises a shell body consisting of a left cavity and a right cavity, wherein the upper end of the left cavity is empty, the lower end of the left cavity is provided with a fixed plate, a plurality of conductive core inserting pipes are embedded in the fixed plate, and the lower ends of the conductive core inserting pipes are exposed below the fixed plate; the upper end of the right cavity is provided with a protective cover, and the lower end of the right cavity is empty;

in order to adjust the position and move the shell when being convenient to install, the upper part of the shell is also provided with a holding body which is convenient to hold.

In order to facilitate connection of the conductive insertion tube and the insertion tube of the attenuator, a conductive reed is arranged in the conductive insertion tube, and the insertion tube of the attenuator can be clamped on the conductive reed when being inserted into the conductive insertion tube.

The conductive reed is a pipe body with a plurality of clamping strips obliquely arranged at the lower end.

Further preferably, the clamping strips are provided with three strips, and the clamping strips are integrated with the pipe body.

The service life of the conductive core inserting pipe is prolonged, and the lower end of the conductive core inserting pipe is closed.

In order to facilitate the positioning and the installation of the conductive core inserting pipe, the upper end of the conductive core inserting pipe is provided with a convex step.

Preferably, the holding body is arranged on the separating edge of the left cavity and the right cavity.

Further preferably, the holding body is a vertical bar with a toggle edge at the upper end.

In order to facilitate the insertion and extraction of the attenuator in the left cavity, the other side of the vertical bar is provided with an elastic groove which is convenient to stir.

When the utility model is used, the guide groove is arranged on the circuit board above the equalizer, the conductive insertion pipe is connected to the circuit board, the right cavity of the shell covers the equalizer, the attenuator is inserted from the left cavity, and the insertion core at the end part of the attenuator is inserted into the conductive insertion pipe to complete the connection of the attenuator.

The utility model has the beneficial effects that: 1. the attenuator is indirectly and fixedly arranged in the guide groove, the installation strength is high, the attenuator is not easy to collide and break, the equalizer is protected in the right cavity, and the attenuator is attractive and elegant. 2. The optical receiver has various models, different circuit boards are arranged in the optical receiver, after the guide groove is used, the style of the large circuit board is fixed, one large circuit board can adapt to the optical receivers with different models, and the size of the large circuit board can be reduced simultaneously for convenience and cost saving.

Drawings

FIG. 1 is a schematic diagram of one embodiment.

FIG. 2 is a schematic cross-sectional view of an embodiment.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

Example 1

Referring to fig. 1 to 3, a guide groove of an equalizing attenuator comprises a shell consisting of a left cavity 1 and a right cavity 2, wherein the upper end of the left cavity 1 is empty, the lower end of the left cavity is provided with a fixed plate 3, a plurality of conductive core inserting pipes 4 are embedded in the fixed plate 3, and the lower ends of the conductive core inserting pipes 4 are exposed below the fixed plate 3; the upper end of the right cavity 2 is provided with a protective cover 5, and the lower end is empty;

for convenient installation, the position-adjusting movable housing is also provided with a holding body 6 which is convenient to hold. In order to facilitate connection between the conductive insertion tube 4 and the insertion core of the attenuator, the conductive insertion tube 4 is provided with a conductive reed 7, and the insertion core of the attenuator can be clamped on the conductive reed 7 when inserted into the conductive insertion tube 4.

The conductive reed 7 is a tube body 9 with a plurality of clamping strips 8 obliquely arranged at the lower end of the tube body 9.

Further preferably, three clamping strips 8 are provided, and the clamping strips 8 are integrated with the pipe body 9.

The service life of the conductive core inserting pipe 4 is prolonged, and the lower end of the conductive core inserting pipe 4 is closed.

In order to facilitate the positioning and installation of the conductive core insertion tube 4, the upper end of the conductive core insertion tube 4 is provided with a protruding step 10.

Preferably, the holding body 6 is arranged on the separating edge of the left cavity 1 and the right cavity 2.

Further preferably, the holding body 6 is a vertical bar 12 with a toggle edge 11 at the upper end.

In order to facilitate the insertion and extraction of the attenuator in the left cavity 1, the other side of the vertical bar 12 is provided with an elastic groove 13 which is convenient for poking.

When the equalizer is used, the guide groove is arranged on the circuit board above the equalizer, the conductive insertion pipe 4 is connected to the circuit board, the right cavity 2 of the shell covers the equalizer, the attenuator is inserted into the left cavity 1, and the insertion core at the end part of the attenuator is inserted into the conductive insertion pipe 4 to complete the connection of the attenuator.

The beneficial effects of this embodiment lie in: 1. the attenuator is indirectly and fixedly arranged in the guide groove, the installation strength is high, the attenuator is not easy to collide and break, the equalizer is protected in the right cavity, and the attenuator is attractive and elegant. 2. The optical receiver has various models, different circuit boards are arranged in the optical receiver, after the guide groove is used, the style of the large circuit board is fixed, one large circuit board can adapt to the optical receivers with different models, and the size of the large circuit board can be reduced simultaneously for convenience and cost saving.

Claims

1. A guide slot for an equalizer attenuator, characterized by: the device comprises a shell body consisting of a left cavity and a right cavity, wherein the upper end of the left cavity is empty, the lower end of the left cavity is provided with a fixed plate, a plurality of conductive core inserting pipes are embedded in the fixed plate, and the lower ends of the conductive core inserting pipes are exposed below the fixed plate; the upper end of the right cavity is provided with a protective cover, and the lower end of the right cavity is empty.

2. The equalization attenuator guide of claim 1, wherein: the upper part of the shell is also provided with a holding body which is convenient to hold.

3. The equalization attenuator guide of claim 1, wherein: and a conductive reed is arranged in the conductive insertion tube.

4. The equalizing attenuator guide of claim 3, wherein: the conductive reed is a pipe body with a plurality of clamping strips obliquely arranged at the lower end.

5. The equalizing attenuator guide of claim 4, wherein: the clamping strips are three and are integrated with the pipe body.

6. The equalization attenuator guide of claim 1, wherein: the lower end of the conductive insertion core tube is closed.

7. The equalization attenuator guide of claim 1, wherein: the upper end of the conductive insertion tube is provided with a convex step.

8. The equalizing attenuator guide slot of claim 2, the method is characterized in that: the holding body is arranged on the separating edges of the left cavity and the right cavity.

9. The equalization attenuator guide of claim 2, wherein: the holding body is a vertical bar with a stirring edge at the upper end.

10. The equalization attenuator guide of claim 9, wherein: the other side of the vertical bar is provided with an elastic groove convenient to stir.