CN214895895U

CN214895895U - High-reliability adjustable optical attenuator

Info

Publication number: CN214895895U
Application number: CN202120897112.7U
Authority: CN
Inventors: 成焕成
Original assignee: Chengdu Huifukang Optical Communication Co ltd
Current assignee: Chengdu Huifukang Optical Communication Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-11-26
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a high reliability variable optical attenuator relates to adjustable optical attenuator technical field, to current hand-held type variable optical attenuator inconvenient taking when using, and can touch the button, the influence is used to need protect the port with dustproof cap, when taking off dustproof cap, the problem of losing easily, the following scheme is proposed now, and it includes the organism, the connecting plate is installed on the top of organism, just the top of connecting plate is provided with the standing groove, the standing groove is the symmetric distribution with the axis of connecting plate, just the apron is installed on the top of standing groove, the top of apron is provided with removes the axle, remove the axle run through in the apron and with apron sliding connection. The utility model discloses novel structure, and the device has not only avoided the direct device of taking, can miss the condition of bumping the button, has avoided simultaneously dustproof cap to take off after placing the problem that leads to losing at will, saved the space, and easy operation.

Description

High-reliability adjustable optical attenuator

Technical Field

The utility model relates to a variable optical attenuator technical field especially relates to a high reliability variable optical attenuator.

Background

An optical attenuator is a very important passive fiber optic device that can attenuate the energy of an optical signal as desired by a user, and is commonly used to absorb or reflect off the optical power margin, evaluate the loss of the system, and perform various tests, the optical attenuator is divided into a fixed attenuator, a variable optical attenuator and the like, the handheld variable optical attenuator can continuously and variably attenuate optical signals, however, when the existing handheld variable optical attenuator is used, the device is directly taken for use, not only is inconvenient to take and use, but also the key can be touched carelessly to influence the use, and when the prior handheld attenuator is not used, the port needs to be protected by a dustproof cap, when the dust cap is taken down, the dust cap is often randomly placed on a desk and easily lost, so that a high-reliability variable optical attenuator is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of high reliability variable optical attenuator has solved the inconvenient taking of current hand-held type variable optical attenuator when using, and can touch the button, influences the use to need protect the port with dustproof cap, when taking off dustproof cap, the problem of losing easily.

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

a high-reliability variable optical attenuator comprises an engine body, wherein a connecting plate is installed at the top end of the engine body, a placing groove is formed in the top end of the connecting plate, the placing grooves are symmetrically distributed along the central axis of the connecting plate, a cover plate is installed at the top end of the placing groove, a moving shaft is arranged at the top end of the cover plate, the moving shaft penetrates through the cover plate and is in sliding connection with the cover plate, a clamping shaft is installed at one end of the moving shaft, the clamping shaft penetrates through the cover plate and extends into the placing groove, ports are installed at the top end of the connecting plate and are symmetrically distributed along the central axis of the connecting plate, dust caps are arranged on the circumferential side walls of the ports, a fixing plate is installed at the bottom end of the engine body, a handle is arranged at the bottom end of the fixing plate, a button is arranged on the outer wall of the handle, the button penetrates through the handle and is in sliding connection with the handle, one end of the button is provided with a movable plate, the movable plate penetrates through the handle and extends into the fixed plate, and a clamping block is arranged on one side of the movable plate.

Preferably, the outer wall of the machine body is provided with a display screen, the outer wall of the machine body is provided with an operation panel, and the operation panel is located at the bottom end of the display screen.

Preferably, the cardboard is installed to the circumference lateral wall of handle, one side of organism is provided with the fixed block, just the fixed block cooperatees with the cardboard and uses.

Preferably, a fixed shaft is movably mounted on the inner wall of the cover plate, penetrates through the cover plate and is fixedly connected with the inner wall of the placing groove, and a handle is arranged at the top end of the cover plate.

Preferably, the inner wall of the handle is provided with a fixed rod, the fixed rod penetrates through the movable plate and is in sliding connection with the movable plate, and a spring is arranged on the circumferential side wall of the fixed rod.

Preferably, the circumferential side wall of the handle is provided with a non-slip pad.

The utility model has the advantages that:

1. the utility model discloses a handle has been set up, the slipmat, the fixture block, the cardboard, the fixed block, a spring, the fixed axle, movable plate and button, in using, through the handle of taking with the hand, put the hand on the slipmat, through pressing the button with the hand, the button removes and makes the movable plate slide on the dead lever, thereby compression spring, drive the fixture block and remove, later put into the fixed plate with the handle, loosen the button, make the fixture block remove to the fixed plate in under the spring action of spring, the button pops out, can fix handle and fixed plate, be convenient for take, the device of directly taking has been avoided, can miss the condition of bumping the button, and when not using, take off the handle through pressing the button, then hang the handle on the fixed block through the cardboard, the space has been saved, and easy operation.

2. The utility model discloses a standing groove, fixed axle, dustproof cap, handle, removal axle and card axle have been set up, during the use, when taking off dustproof cap, the axle is removed in the pulling for the card axle slides, thereby makes card axle and standing groove separation, then through the pulling handle, makes the apron rotate on the fixed axle, makes the apron open, puts into the standing groove with dustproof cap in, has avoided dustproof cap to take off after placing the problem that leads to losing at will.

In conclusion, the device not only avoids the situation that the key is touched by mistake when the device is directly taken, but also avoids the problem that the dustproof cap is lost when being placed at will after being taken down, saves the space and is simple to operate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the structure of the present invention.

Fig. 3 is an enlarged view of a structure shown in fig. 1 according to the present invention.

Fig. 4 is an enlarged view of the structure B in fig. 2 according to the present invention.

Reference numbers in the figures: 1. a body; 2. an operation panel; 3. a display screen; 4. a fixed block; 5. a placement groove; 6. a port; 7. a dust cap; 8. a fixed shaft; 9. a cover plate; 10. a handle; 11. a non-slip mat; 12. a connecting plate; 13. a fixing plate; 14. a handle; 15. a movable shaft; 16. clamping a shaft; 17. fixing the rod; 18. a spring; 19. a clamping block; 20. moving the plate; 21. clamping a plate; 22. a button.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, a high-reliability adjustable optical attenuator includes a machine body 1, a connecting plate 12 is installed at the top end of the machine body 1, a placing groove 5 is provided at the top end of the connecting plate 12, the placing groove 5 is symmetrically distributed about the central axis of the connecting plate 12, a cover plate 9 is installed at the top end of the placing groove 5, a moving shaft 15 is provided at the top end of the cover plate 9, the moving shaft 15 penetrates the cover plate 9 and is slidably connected with the cover plate 9, a clamping shaft 16 is installed at one end of the moving shaft 15, the clamping shaft 16 penetrates the cover plate 9 and extends into the placing groove 5, ports 6 are installed at the top end of the connecting plate 12, the ports 6 are symmetrically distributed about the central axis of the connecting plate 12, dust caps 7 are provided on the circumferential side walls of the ports 6, a fixing plate 13 is installed at the bottom end of the machine body 1, and a handle 10 is provided at the bottom end of the fixing plate 13, just the outer wall of handle 10 is provided with button 22, button 22 run through in handle 10 and with handle 10 sliding connection, the one end of button 22 is provided with movable plate 20, just movable plate 20 passes the inside that handle 10 extends to fixed plate 13, just one side of movable plate 20 is provided with fixture block 19, the outer wall of organism 1 is provided with display screen 3, the outer wall of organism 1 is provided with operating panel 2, just operating panel 2 is located the bottom of display screen 3, the circumference lateral wall of handle 10 is provided with slipmat 11.

In this embodiment, cardboard 21 is installed to the circumference lateral wall of handle 10, one side of organism 1 is provided with fixed block 4, just fixed block 4 and cardboard 21 cooperate the use, are convenient for hang handle 10, save space when not using.

Further, the inner wall movable mounting of apron 9 has fixed axle 8, fixed axle 8 run through in apron 9 and with standing groove 5's inner wall fixed connection, just the top of apron 9 is provided with handle 14 for apron 9 rotates, has increased the flexibility of apron 9.

In addition, the inner wall of the handle 10 is provided with a fixed rod 17, the fixed rod 17 penetrates through the moving plate 20 and is slidably connected with the moving plate 20, and a spring 18 is arranged on the circumferential side wall of the fixed rod 17 and is used for supporting the moving plate 20, so that the stability of the moving plate 20 is improved.

The working principle is as follows: when the device is used, firstly, a hand is placed on the anti-slip mat 11 by taking the handle 10 with the hand, the button 22 is pressed by the hand, the button 22 moves to enable the moving plate 20 to slide on the fixed rod 17, so that the spring 18 is compressed to drive the clamping block 19 to move, then the handle 10 is placed in the fixed plate 13, the button 22 is loosened, the clamping block 19 is moved into the fixed plate 13 under the action of the elastic force of the spring 18, the button 22 pops out, the handle 10 and the fixed plate 13 can be fixed and are convenient to take, then the dustproof cap 7 is taken down, the moving shaft 15 is pulled to enable the clamping shaft 16 to slide, so that the clamping shaft 16 is separated from the placing groove 5, then the cover plate 9 rotates on the fixed shaft 8 by pulling the handle 14, the cover plate 9 is opened, the dustproof cap 7 is placed in the placing groove 5, the problem that the dustproof cap 7 is placed randomly after being taken down to cause loss is avoided, and then the operation is carried out through the operation panel 2, can observe data through display screen 3, and when not using, take off handle 10 through pressing button 22, then hang handle 10 on fixed block 4 through cardboard 21, saved the space, and easy operation, then take out dust cap 7 in the standing groove 5, the cover can on port 6.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The high-reliability variable optical attenuator comprises an engine body (1) and is characterized in that a connecting plate (12) is installed at the top end of the engine body (1), a placing groove (5) is formed in the top end of the connecting plate (12), the placing groove (5) is symmetrically distributed along the central axis of the connecting plate (12), a cover plate (9) is installed at the top end of the placing groove (5), a moving shaft (15) is arranged at the top end of the cover plate (9), the moving shaft (15) penetrates through the cover plate (9) and is in sliding connection with the cover plate (9), a clamping shaft (16) is installed at one end of the moving shaft (15), the clamping shaft (16) penetrates through the cover plate (9) and extends into the placing groove (5), a port (6) is installed at the top end of the connecting plate (12), and the ports (6) are symmetrically distributed along the central axis of the connecting plate (12), the circumference lateral wall of port (6) is provided with dust cap (7), fixed plate (13) are installed to the bottom of organism (1), just the bottom of fixed plate (13) is provided with handle (10), just the outer wall of handle (10) is provided with button (22), button (22) run through in handle (10) and with handle (10) sliding connection, the one end of button (22) is provided with movable plate (20), just movable plate (20) pass the inside that handle (10) extended to fixed plate (13), just one side of movable plate (20) is provided with fixture block (19).

2. A high-reliability variable optical attenuator according to claim 1, wherein a display screen (3) is disposed on the outer wall of the machine body (1), an operation panel (2) is disposed on the outer wall of the machine body (1), and the operation panel (2) is located at the bottom end of the display screen (3).

3. The variable optical attenuator of claim 1, wherein a clamping plate (21) is installed on the circumferential side wall of the handle (10), a fixed block (4) is arranged on one side of the machine body (1), and the fixed block (4) is matched with the clamping plate (21).

4. The variable optical attenuator of claim 1, wherein a fixed shaft (8) is movably mounted on the inner wall of the cover plate (9), the fixed shaft (8) penetrates through the cover plate (9) and is fixedly connected with the inner wall of the placement groove (5), and a handle (14) is disposed at the top end of the cover plate (9).

5. The variable optical attenuator of claim 1, wherein the inner wall of the handle (10) is mounted with a fixed rod (17), the fixed rod (17) penetrates the movable plate (20) and is slidably connected with the movable plate (20), and a circumferential side wall of the fixed rod (17) is provided with a spring (18).

6. A high reliability variable optical attenuator according to claim 1, characterized in that the circumferential side wall of the handle (10) is provided with a non-slip pad (11).