CN211856983U

CN211856983U - Adjustable optical fiber attenuator

Info

Publication number: CN211856983U
Application number: CN202020576217.8U
Authority: CN
Inventors: 温凯
Original assignee: Qingdao Fuweiheng Technology Co ltd
Current assignee: Qingdao Fuweiheng Technology Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-11-03
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses an optical fiber attenuator with adjustable, including optical fiber attenuator main part, spring and gag lever post, the left side and the right side of optical fiber attenuator main part are provided with output port and input port respectively, first spout has been seted up to optical fiber attenuator main part left side top, first slider is installed on gag lever post top right side, first spout top fixed mounting has spacing post, the cover is on spacing post lateral wall above the spring. The utility model discloses an output port on gag lever post and the shifting chute on the spacing groove makes things convenient for the staff to adjust according to output port's cable length, has avoided the problem that needs increase and decrease the cable, and is comparatively practical, is fit for extensively promoting and using.

Description

Adjustable optical fiber attenuator

Technical Field

The utility model relates to an optical fiber technology field specifically is an adjustable optical fiber attenuator.

Background

An optical fiber attenuator is an optical device that reduces the energy of an optical signal. The optical receiver is used for attenuating the input optical power, and avoids distortion generated by the optical receiver due to the ultra-strong input optical power.

In implementing the present invention, the inventor finds that at least the following problems in the prior art are not solved: the optical fiber attenuator who uses at present can't adjust according to the cable length of input port when installation, leads to the needs to increase and decrease the cable, very big increase amount of labour, and influences data transmission easily, therefore, we provide an adjustable optical fiber attenuator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable optical fiber attenuator has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable optical fiber attenuator comprises an optical fiber attenuator main body, a spring and a limiting rod;

the left side and the right side of the optical fiber attenuator main body are respectively provided with an output port and an input port, a first sliding groove is formed above the left side of the optical fiber attenuator main body, a first sliding block is arranged on the right side above the limiting rod, a limiting column is fixedly arranged above the first sliding groove, the upper part of the spring is sleeved on the outer side wall of the limiting column, and the lower part of the spring is fixedly connected with the upper part of the first sliding block;

the optical fiber attenuator is characterized in that a moving groove is formed in the middle of the left side of the optical fiber attenuator main body, the output port is movably connected with the moving groove, a second sliding groove is formed below the moving groove, a second sliding block is installed on the right side of the lower portion of the output port and is slidably connected with the second sliding groove, a plurality of limiting grooves are formed above the output port, and the lower portion of the limiting rod is movably connected with the limiting grooves.

As a preferred embodiment of the present invention, the first sliding block is slidably connected to the first sliding groove.

As a preferred embodiment of the utility model, the gag lever post middle part surface is provided with anti-skidding stripe.

As a preferred embodiment of the present invention, an identification plate is disposed in the middle of the front surface of the optical fiber attenuator body.

As a preferred embodiment of the present invention, rubber pads are disposed above and below the optical fiber attenuator main body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a gag lever post on the spacing groove and the output port on the shifting chute, during the installation, stimulate the gag lever post rebound earlier, make gag lever post below and spacing groove separation, compression spring simultaneously, it controls to remove to pull the output port again, thereby adjust suitable length, then loosen the gag lever post, according to the spring resilience, the first slider of spring promotion moves down, make the gag lever post insert the spacing inslot, thereby fix output port, and the operation is thus simple, make things convenient for the staff to adjust according to the cable length of output port, avoided needing to increase and decrease the problem of cable, be favorable to more practical use an adjustable optical fiber attenuator.

2. The utility model discloses a first slider and first spout sliding connection are convenient for increase the stability of gag lever post, make things convenient for the gag lever post to inject output port, are favorable to the more practical optical fiber attenuator with adjustable use.

3. The utility model discloses a gag lever post middle part surface is provided with anti-skidding stripe, is convenient for increase the frictional force of gag lever post, makes things convenient for the staff to operate, is favorable to more practical use an adjustable optical fiber attenuator.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of an overall structure of an adjustable optical fiber attenuator according to the present invention;

fig. 2 is a schematic diagram of a local enlarged structure at a position a of the adjustable optical fiber attenuator of the present invention.

In the figure: 1. the optical fiber attenuator comprises an optical fiber attenuator body, 2, an output port, 3, an input port, 4, a first sliding groove, 5, a first sliding block, 6, a limiting column, 7, a spring, 8, a limiting rod, 9, an anti-skidding stripe, 10, a moving groove, 11, a second sliding block, 12, a second sliding groove, 13, a limiting groove, 14, an identification plate, 15 and a rubber pad.

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 is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: an adjustable optical fiber attenuator comprises an optical fiber attenuator main body 1, a spring 7 and a limiting rod 8;

the left side and the right side of the optical fiber attenuator main body 1 are respectively provided with an output port 2 and an input port 3, a first sliding groove 4 is formed above the left side of the optical fiber attenuator main body 1, a first sliding block 5 is arranged above and on the right side of the limiting rod 8, a limiting column 6 is fixedly arranged above the first sliding groove 4, the upper part of the spring 7 is sleeved on the outer side wall of the limiting column 6, and the lower part of the spring 7 is fixedly connected with the upper part of the first sliding block 5;

the optical fiber attenuator main part 1 left side middle part has been seted up shifting chute 10, output port 2 and shifting chute 10 swing joint, second spout 12 has been seted up to shifting chute 10 below, second slider 11 is installed on 2 below right sides of output port,

second slider

11 and 12 sliding connection of second spout, a plurality of spacing grooves 13 have been seted up to 2 tops of output port, 8 below and spacing groove 13 swing joint of gag lever post.

Please refer to fig. 1 and 2 in this embodiment, through the limiting rod 8 on the limiting groove 13 and the output port 2 on the moving groove 10, during installation, first, the limiting rod 8 is pulled to move upwards, so that the lower part of the limiting rod 8 is separated from the limiting groove 13, meanwhile, the spring 7 is compressed, the output port 2 is pulled to move left and right, thereby adjusting to a proper length, then the limiting rod 8 is loosened, according to the resilience of the spring 7, the spring 7 pushes the first slider 5 to move downwards, so that the limiting rod 8 is inserted into the limiting groove 13, thereby fixing the output port 2, the operation is simple, a worker can adjust according to the cable length of the output port conveniently, the problem that the cable needs to be increased or decreased is avoided, and the adjustable optical fiber attenuator is more practical to use.

Wherein, the first sliding block 5 is connected with the first sliding chute 4 in a sliding way.

In this embodiment, referring to fig. 1 and fig. 2, the first sliding block 5 is slidably connected to the first sliding groove 4, so that the stability of the limiting rod 8 is increased, the limiting rod 8 is convenient to limit the output port 2, and the adjustable optical fiber attenuator is more practical to use.

Wherein, the surface of the middle part of the limiting rod 8 is provided with anti-skid stripes 9.

In the embodiment, referring to fig. 1 and 2, the anti-slip stripes 9 are arranged on the surface of the middle part of the limiting rod 8, so that the friction force of the limiting rod 8 is increased, the operation by workers is facilitated, and the adjustable optical fiber attenuator is more practical.

Wherein, the middle part of the front surface of the optical fiber attenuator main body 1 is provided with an identification plate 14.

Wherein, rubber pads 15 are arranged above and below the optical fiber attenuator main body 1.

Theory of operation, during the installation, stimulate earlier gag lever post 8 and upwards remove, make 8 below of gag lever post and spacing groove 13 separation, compression spring 7 simultaneously, it removes to control to pull output port 2 again, thereby adjust suitable length, then loosen gag lever post 8, according to spring 7 resilience, spring 7 promotes first slider 5 and downwards removes, make gag lever post 8 insert in the spacing groove 13, thereby fix output port 2, and easy operation makes things convenient for the staff to adjust according to the cable length of output port.

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 evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An adjustable optical fiber attenuator is characterized by comprising an optical fiber attenuator main body (1), a spring (7) and a limiting rod (8);

the left side and the right side of the optical fiber attenuator main body (1) are respectively provided with an output port (2) and an input port (3), a first sliding groove (4) is formed in the upper portion of the left side of the optical fiber attenuator main body (1), a first sliding block (5) is installed on the right side of the upper portion of the limiting rod (8), a limiting column (6) is fixedly installed above the first sliding groove (4), the upper portion of the spring (7) is sleeved on the outer side wall of the limiting column (6), and the lower portion of the spring (7) is fixedly connected with the upper portion of the first sliding block (5);

the optical fiber attenuator main part (1) left side middle part has been seted up shifting chute (10), output port (2) and shifting chute (10) swing joint, second spout (12) have been seted up to shifting chute (10) below, second slider (11) are installed on output port (2) below right side, second slider (11) and second spout (12) sliding connection, a plurality of spacing grooves (13) have been seted up to output port (2) top, gag lever post (8) below and spacing groove (13) swing joint.

2. An adjustable optical fiber attenuator according to claim 1, wherein: the first sliding block (5) is connected with the first sliding groove (4) in a sliding mode.

3. An adjustable optical fiber attenuator according to claim 1, wherein: and anti-skid stripes (9) are arranged on the surface of the middle part of the limiting rod (8).

4. An adjustable optical fiber attenuator according to claim 1, wherein: and the middle part of the front surface of the optical fiber attenuator main body (1) is provided with an identification plate (14).

5. An adjustable optical fiber attenuator according to claim 1, wherein: rubber pads (15) are arranged above and below the optical fiber attenuator main body (1).