CN214251477U

CN214251477U - Portable multifunctional optical fiber loss detection equipment

Info

Publication number: CN214251477U
Application number: CN202120352924.3U
Authority: CN
Inventors: 马国庆; 杨健超; 刘洋; 李庆
Original assignee: Nanjing Sieafu Engineering Project Management Co ltd
Current assignee: Nanjing Sieafu Engineering Project Management Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-09-21
Anticipated expiration: 2031-02-07

Abstract

The utility model relates to a portable multifunctional optical fiber loss detection device, which relates to the technical field of optical fiber loss detection, and the main technical proposal comprises a casing, an optical interface arranged on the casing and a red light pen point arranged on the casing, wherein the casing is provided with a dustproof component for sealing the optical interface and the red light pen point; when detecting optical fiber, remove the closure of dustproof subassembly to optical fiber connector, according to the measuring needs, be connected optical fiber's one end and optical interface and optical fiber connector, can detect optical fiber, accomplish the back that detects, recycle dustproof subassembly and seal optical interface and red light nib to reduce the possibility of dust and optical interface and red light nib contact, reduce the possibility of adhering to the dust on optical interface and the red light nib, reduce the dust and cause the interference and reduce the possibility that detects the precision to the testing result.

Description

Portable multifunctional optical fiber loss detection equipment

Technical Field

The application relates to the technical field of optical fiber loss detection, in particular to portable multifunctional optical fiber loss detection equipment.

Background

The optical fiber loss is an important standard of the transmission quality of an optical fiber link, and when the optical fiber loss is detected, the relative loss of the optical power passing through a section of optical fiber is mainly detected.

The patent of chinese utility model with an authorization notice number CN205426333U discloses an optical power meter, including optical power meter body, keyboard, display screen and optical interface, keyboard and display screen all set up on the optical power meter body, and optical interface sets up at optical power meter body top.

In view of the above-mentioned related technologies, the inventor thinks that when an optical fiber is detected, one end of the optical fiber needs to be connected to an optical interface, but the optical fiber is generally laid on a site with relatively large dust, and the dust is easily attached to the optical interface, which reduces the detection accuracy of the optical fiber loss detection.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that dust easily adheres to in the optical interface, the application provides a portable multifunctional optical fiber loss detection device.

The application provides a portable multi-functional optical fiber loss detection equipment adopts following technical scheme:

the utility model provides a portable multi-functional optical fiber loss detection equipment, includes the casing, sets up the light interface on the casing and installs the ruddiness nib on the casing, be equipped with the dustproof subassembly that is used for sealing light interface and ruddiness nib on the casing.

By adopting the technical scheme, when the optical fiber is detected, the sealing of the dustproof assembly to the optical fiber connector is removed, one end of the optical fiber is connected with the optical interface and the optical fiber connector according to the detection requirement, the optical fiber can be detected, and after the detection is completed, the dustproof assembly is used for sealing the optical interface and the red light pen point, so that the possibility of the contact of dust with the optical interface and the red light pen point is reduced, the possibility of dust adhering to the optical interface and the red light pen point is reduced, and the possibility of reducing the detection precision due to the interference of the dust to the detection result is reduced.

Optionally, the dustproof subassembly is including sliding the shield of connection on the casing, fixing the connecting rod on the shield and fixing the coupling spring on the connecting rod, coupling spring keeps away from the one end of connecting rod with casing fixed connection, be fixed with the connecting rack on the connecting rod, rotate on the casing and be connected with and connect the connecting gear that the rack meshed mutually, it is connected with the depression bar to slide on the casing, be equipped with on the side of depression bar and connect the drive rack that the gear meshed mutually, the connecting gear is located drive rack with connect between the rack, the depression bar is kept away from the one end of connecting gear stretches out the casing.

By adopting the technical scheme, when the sealing of the optical interface and the red light pen point is removed, the pressure rod is pushed to slide, the pressure rod drives the driving rack to move when sliding, the driving rack drives the connecting gear to rotate, the connecting gear drives the connecting rack to rotate, the connecting rack drives the connecting rod to move when rotating, and when moving, the connecting rod pulls the connecting spring to generate tensile deformation and simultaneously drives the dustproof cover to move, so that the sealing of the dustproof cover, the optical interface and the red light pen point is smoothly removed; after detection is finished, the pressing rod is loosened, the connecting spring recovers deformation to pull the connecting rod to reset, the connecting rod drives the connecting rack to reset, and the connecting rack drives the connecting gear to reset, so that the optical interface and the red light pen point are automatically sealed.

Optionally, a pressing block is fixed at one end of the pressing rod extending out of the casing, and the cross-sectional area of the pressing block is larger than that of the pressing rod.

Through adopting above-mentioned technical scheme, when the extrusion depression bar, the briquetting increases the lifting surface area of depression bar, through the extrusion briquetting, promotes the depression bar smoothly and removes.

Optionally, a guide rod is fixed on the housing, an axis of the guide rod is collinear with an axis of the pressure rod, and the guide rod is inserted into the pressure rod and connected with the pressure rod in a sliding manner.

Through adopting above-mentioned technical scheme, when the depression bar was removing, the guide bar restricted the moving direction of briquetting, reduced the depression bar and taken place the possibility of skew at the removal in-process.

Optionally, a limiting rod is fixed on the casing, the limiting rod penetrates through the connecting rod and is connected with the connecting rod in a sliding manner, and the axis of the limiting rod is parallel to the axis of the connecting spring.

Through adopting above-mentioned technical scheme, when the connecting rod removed, the moving direction of gag lever post restriction connecting rod reduced the connecting rod and took place the possibility of skew at the removal in-process.

Optionally, a limiting block is fixed on an end wall of the limiting rod, and the cross-sectional area of the limiting block is larger than that of the limiting rod.

Through adopting above-mentioned technical scheme, the moving range of stopper restriction connecting rod reduces the connecting rod and the possibility that the gag lever post breaks away from at the removal in-process.

Optionally, a stabilizer bar is fixed on the side surface of the connecting rod, and one end of the stabilizer bar, which is far away from the connecting rod, is fixedly connected with the dust cover.

Through adopting above-mentioned technical scheme, the stabilizer bar increases the joint strength between shield and the connecting rod, is favorable to improving the stability of shield.

Optionally, a sealing cover for covering the connecting gear is fixed on the side surface of the casing, one end of the pressing block, which is far away from the pressing rod, extends out of the sealing cover and is connected with the sealing cover in a sliding manner, and the connecting rod penetrates through the sealing cover and is connected with the sealing cover in a sliding manner.

Through adopting above-mentioned technical scheme, the closing cap shields the connecting gear, has not only been favorable to reducing the possibility that impurity such as dust adheres to on the connecting gear, also is favorable to picking up the casing through the gripping closing cap in the inspection process.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the optical fiber is subjected to loss detection, the sealing of the dustproof assembly on the optical interface and the red light pen point is firstly removed, the optical fiber is connected with the optical interface or the red light pen point according to actual detection requirements, the optical fiber is detected, and after the detection is finished, the dustproof assembly is used for sealing the optical connector and the red light pen point, so that the possibility that dust is contacted with the optical connector and the red light pen point is reduced, the possibility that the dust is attached to the optical connector and the red light pen point is reduced, and the possibility that the dust affects the detection precision is further reduced;

2. the pressure block increases the stress area of the pressure rod, and the pressure rod is smoothly pushed to slide by extruding the pressure block;

3. the guide rod limits the moving direction of the pressure rod, and the possibility of deviation of the pressure rod in the moving process is reduced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a portable multifunctional optical fiber loss detection device in the embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of the housing, the cover and the dust-proof assembly shown in fig. 1.

Fig. 3 is a schematic structural diagram of the chassis and the dust-proof assembly after the cover is hidden in the embodiment of the present application.

Description of reference numerals: 1. a housing; 11. an optical interface; 12. a red light pen point; 13. a display screen; 14. a button; 15. a detection chamber; 16. fixing the rod; 161. a limiting rod; 162. a limiting block; 163. a guide bar; 17. sealing the cover; 172. a through groove; 2. a dust-proof assembly; 21. a dust cover; 22. a connecting rod; 221. a stabilizer bar; 23. a connecting spring; 24. connecting the racks; 25. a connecting gear; 26. a pressure lever; 27. a drive rack; 28. and (7) briquetting.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses portable multi-functional optical fiber loss detection equipment.

Referring to fig. 1, the portable multifunctional optical fiber loss detection device comprises a casing 1, an optical interface 11, a red light pen point 12, a display screen 13 and a button 14, wherein a detection cavity 15 is formed in the top wall of the casing 1, the optical interface 11 and the red light pen point 12 are both fixed in the detection cavity 15, the display screen 13 and the button 14 are both embedded on the side surface of the casing 1, and a dustproof assembly 2 for sealing the detection cavity 15 is arranged on the casing 1; when the loss of the optical fiber is detected, the dust-proof component 2 is firstly removed from the detection cavity 15, the optical fiber is connected with the optical interface 11 or the red light pen point 12 according to the detection requirement, and then the button 14 is matched with the display screen 13 to detect the loss of the optical fiber; after the detection is finished, the dust-proof assembly 2 is used for sealing the detection cavity 15, so that the optical interface 11 and the red light pen point 12 are sealed in the detection cavity 15, the possibility that dust is in contact with the optical interface 11 and the red light pen point 12 is reduced, the possibility that dust is accumulated on the optical interface 11 and the red light pen point 12 is reduced, and the possibility that the detection precision is reduced due to the fact that the dust interferes with the detection is reduced.

Referring to fig. 2 and 3, the dust-proof assembly 2 includes a dust-proof cover 21, a connecting rod 22 and a connecting spring 23, the dust-proof cover 21 is slidably connected to the housing 1, the connecting rod 22 is fixed on the dust-proof cover 21, a fixing rod 16 is welded on a side of the housing 1 away from the display 13, an axis of the fixing rod 16 is parallel to an axis of the connecting rod 22, one end of the connecting spring 23 is fixedly connected to the connecting rod 22, the other end of the connecting rod 16 is fixedly connected with the side face of the fixing rod 16, two dust covers 21 are arranged, the two dust covers 21 cover the 17 detection cavity 15, the fixing rod 16 is located between the two connecting rods 22, a limiting rod 161 is welded on the fixing rod 16, the end wall of the limiting rod 161 penetrates through the connecting rods 22 and is connected with the connecting rods 22 in a sliding mode, the limiting rod 161 is arranged along the axis direction of the connecting spring 23, a limiting block 162 is welded at one end of the limiting rod 161 penetrating through the connecting rods 22, and the cross-sectional area of the limiting block 162 is larger than that of the limiting rod 161; a connecting rack 24 is welded at one end, far away from the dust cover 21, of the connecting rod 22, a connecting gear 25 meshed with the connecting rack 24 is rotatably connected to the side face of the machine shell 1, a pressing rod 26 is connected to the machine shell 1 in a sliding mode, the pressing rod 26 is arranged along the length direction of the connecting rack 24, a driving rack 27 meshed with the connecting gear 25 is welded to the side face of the pressing rod 26, one end, far away from the connecting gear 25, of the pressing rod 26 extends out of the machine shell 1, a pressing block 28 is welded at one end, extending out of the machine shell 1, of the pressing rod 26, and the cross; when the sealing of the detection cavity 15 is released, the two pressing blocks 28 are pushed to approach each other, the pressing blocks 28 push the two pressing rods 26 to approach each other when moving, the driving rack 27 is driven to move when the pressing rods 26 move, the driving rack 27 drives the connecting gear 25 to rotate, the connecting gear 25 drives the connecting rack 24 to move, the connecting rack 24 drives the connecting rod 22 to move towards one side far away from the fixing rod 16, the connecting rod 22 pulls the connecting spring 23 to generate tensile deformation when moving, the two dust covers 21 are far away from each other along with the movement of the two connecting rods 22, and the sealing of the detection cavity 15 is smoothly released; in the moving process of the connecting rod 22, the limiting rod 161 limits the moving direction of the connecting rod 22, so that the possibility of deviation of the connecting rod 22 in the moving process is reduced, the limiting block 162 limits the moving range of the connecting rod 22, and the possibility of separation of the connecting rack 24 and the connecting gear 25 is reduced; after the detection is completed, the pressing block 28 is released, the connecting spring 23 recovers deformation to pull the connecting rod 22 to reset, the connecting rod 22 drives the dust covers 21 to reset, and the two dust covers 21 close the detection cavity 15.

Referring to fig. 3, a guide rod 163 is fixed on the side surface of the fixing rod 16, the end wall of the guide rod 163 penetrates into the pressing rod 26 and is connected with the pressing rod 26 in a sliding manner, and the axis of the guide rod 163 is parallel to the axis of the limiting rod 161; when the pressing rod 26 moves, the guide rod 163 limits the moving direction of the pressing rod 26, and the possibility of the pressing rod 26 shifting in the moving process is reduced.

Referring to fig. 3, a stabilizer bar 221 is welded on the side surface of the connecting rod 22, the stabilizer bar 221 is obliquely arranged, and one end of the stabilizer bar 221 away from the connecting rod 22 is fixedly connected with the side surface of the dust cover 21; the stabilizer bar 221 increases the connection strength between the dust cap 21 and the connection rod 22, which is advantageous for improving the stability of the dust cap 21.

Referring to fig. 2 and 3, a cover 17 is welded on one side of the chassis 1 away from the display 13, the cover 17 covers the connecting gear 25, one end of the pressure lever 26 away from the fixing rod 16 penetrates through the cover 17 and is connected with the cover 17 in a sliding manner, a through groove 172 for the connecting rod 22 to slide is formed in the top wall of the cover 17, and the through groove 172 is arranged along the sliding direction of the connecting rod 22; the cover 17 covers the connecting gear 25, which is advantageous for reducing the possibility of dust adhering to the connecting gear 25 and the possibility of dust accumulating on the connecting gear 25, and also advantageous for lifting the housing 1 by grasping the cover 17, improving the portability of the housing 1,

the implementation principle of the portable multifunctional optical fiber loss detection equipment in the embodiment of the application is as follows: when the loss of the optical fiber is detected, the dustproof component 2 is firstly released from fixing the optical interface 11 and the red light pen point 12, and then the optical fiber is connected with the optical interface 11 or the red light pen point 12 according to the detection requirement, so that the loss of the optical fiber is detected; after the detection is finished, the dustproof assembly 2 is used for sealing the optical interface 11 and the red light pen point 12, so that the possibility of contact between dust and the optical interface 11 and the red light pen point 12 is reduced, the possibility of dust accumulation at the positions of the optical interface 11 and the red light pen point 12 is reduced, and the possibility of reduction of detection precision caused by interference of the dust on a detection result is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Portable multi-functional optical fiber loss check out test set, its characterized in that: the multifunctional pen comprises a machine shell (1), an optical interface (11) arranged on the machine shell (1) and a red light pen point (12) arranged on the machine shell (1), wherein a dustproof assembly (2) used for sealing the optical interface (11) and the red light pen point (12) is arranged on the machine shell (1).

2. The portable multifunctional optical fiber loss detection device of claim 1, wherein: dustproof subassembly (2) including sliding connection shield (21) on casing (1), fixing connecting rod (22) on shield (21) and fixing connecting spring (23) on connecting rod (22), connecting spring (23) are kept away from the one end of connecting rod (22) with casing (1) fixed connection, be fixed with on connecting rod (22) and connect rack (24), swing joint has connecting gear (25) with connecting rack (24) mesh on casing (1), it is connected with depression bar (26) to slide on casing (1), be equipped with on the side of depression bar (26) and connect drive rack (27) that gear (25) meshed mutually, connecting gear (25) are located drive rack (27) with connect between rack (24).

3. The portable multifunctional optical fiber loss detection device of claim 2, wherein: a pressing block (28) is fixed at one end of the pressing rod (26) extending out of the shell (1), and the cross section area of the pressing block (28) is larger than that of the pressing rod (26).

4. The portable multifunctional optical fiber loss detection device of claim 2, wherein: a guide rod (163) is fixed on the machine shell (1), the axis of the guide rod (163) is collinear with the axis of the pressure rod (26), and the guide rod (163) is inserted into the pressure rod (26) and is connected with the pressure rod (26) in a sliding mode.

5. The portable multifunctional optical fiber loss detection device of claim 2, wherein: a limiting rod (161) is fixed on the machine shell (1), the limiting rod (161) penetrates through the connecting rod (22) and is connected with the connecting rod (22) in a sliding mode, and the axis of the limiting rod (161) is parallel to the axis of the connecting spring (23).

6. The portable multifunctional optical fiber loss detection device of claim 5, wherein: a limiting block (162) is fixed on the end wall of the limiting rod (161), and the cross section area of the limiting block (162) is larger than that of the limiting rod (161).

7. The portable multifunctional optical fiber loss detection device of claim 2, wherein: and a stabilizing rod (221) is fixed on the side surface of the connecting rod (22), and one end, far away from the connecting rod (22), of the stabilizing rod (221) is fixedly connected with the dust cover (21).

8. The portable multifunctional optical fiber loss detection device of claim 3, wherein: a sealing cover (17) used for covering the connecting gear (25) is fixed on the side face of the machine shell (1), one end, far away from the pressure rod (26), of the pressing block (28) extends out of the sealing cover (17) and is connected with the sealing cover (17) in a sliding mode, and the connecting rod (22) penetrates through the sealing cover (17) and is connected with the sealing cover (17) in a sliding mode.