CN210380852U

CN210380852U - Anti-falling type optical time domain reflectometer shell

Info

Publication number: CN210380852U
Application number: CN201922283482.7U
Authority: CN
Inventors: 沈钟华; 饶赛赛; 张雪召; 刁硕; 刘正
Original assignee: Shenzhen Huajiehui Technology Co ltd
Current assignee: Shenzhen Huajiehui Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-04-21
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a prevent falling type optical time domain reflectometer casing, which comprises an outer shell, the internally mounted of shell has the inner shell, the internally mounted of inner shell has the reflectometer main part, the symmetry is provided with two first buffer between the inner wall at both ends about the shell and the inner shell, the inside bottom of shell is provided with the second buffer at the lower extreme that is located the inner shell, both ends symmetry is provided with two handles about the shell, the outside of shell is provided with the rubber protection pad. A prevent falling type optical time domain reflectometer casing, through setting up first buffer and second buffer and set up the rubber pad in the shell outside, can carry out multiple protection to optical time domain reflectometer to effectively reduce the risk of optical time domain reflectometer fall damage, through setting up the fixed block, can effectually fix the optical time domain reflectometer in the inside of shell and inner shell, finally can improve work efficiency, reduced the unnecessary loss.

Description

Anti-falling type optical time domain reflectometer shell

Technical Field

The utility model relates to an optical fiber detection field, in particular to prevent falling type optical time domain reflectometer casing.

Background

The optical time domain reflectometer is an instrument for understanding a plurality of performances such as uniformity, defects, breakage, joint coupling and the like of an optical fiber by analyzing a measurement curve, is manufactured according to the principle of backward scattering and Fresnel reverse of light, acquires attenuation information by utilizing backward scattering light generated when the light propagates in the optical fiber, can be used for measuring the attenuation of the optical fiber, the joint loss, the positioning of a fault point of the optical fiber, understanding the loss distribution condition of the optical fiber along the length and the like, and is an essential tool in the construction, maintenance and monitoring of the optical cable; because of the risk that the optical time domain reflectometer drops and injures when using, and current optical time domain reflectometer mostly adopts the rubber pad to prevent that the optical time domain reflectometer from falling and hindering, but the rubber pad prevent falling the shock attenuation effect limited, this has just led to the optical time domain reflectometer to fall and has impaired the risk a lot more.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an anti-falling optical time domain reflectometer housing, which can effectively solve the problems of the background art.

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

the utility model provides an prevent falling type optical time domain reflectometer casing, includes the shell, the internally mounted of shell has the inner shell, the internally mounted of inner shell has the reflectometer main part, the symmetry is provided with two first buffer between the inner wall at both ends about the shell and the inner shell, the inside bottom of shell is provided with the second buffer at the lower extreme that is located the inner shell.

Preferably, the left end and the right end of the shell are symmetrically provided with two handles, the outer side of the shell is provided with a rubber protection pad, the rubber protection pad is fixedly connected onto the shell through viscose, and a stop block is arranged on the upper side of the inner wall of the shell.

Preferably, two grooves have been seted up to the inner wall symmetry at both ends about the inner shell, the internally mounted in the groove that is located of inner shell has the spring, the fixed block is installed in the one end that is located the spring in the inside in groove.

Preferably, two fixing grooves are symmetrically formed in the left end and the right end of the reflectometer main body.

Preferably, first buffer contains No. two grooves, No. two grooves have two and the symmetry to set up on the inner wall at both ends about the shell, the inside in No. two grooves is provided with the support column, support column one side symmetry is provided with two fixed columns, the inside in No. two grooves is provided with three spring at the one end and two fixed columns that are located the support column, the opposite side fixed connection of support column is in the one end of inner shell.

Preferably, second buffer contains the hornblock, hornblock fixed connection is at the lower extreme of inner shell, two activity grooves have been seted up to the lower extreme symmetry of hornblock, the inside in activity groove is provided with the fixed axle, the below symmetry of hornblock is provided with two support arms, the lower extreme of support arm is provided with the guide block, two No. three grooves have been seted up in the bottom symmetry that lies in the shell to the below of support arm, the inside in No. three groove is provided with the guide post, the upper end of support arm and the fixed axle swing joint of activity inslot portion, the lower extreme of support arm passes through guide block swing joint on the guide post, the spring is installed in the one side that lies in the guide block in the outside of guide post.

Compared with the prior art, the utility model discloses following beneficial effect has:

through setting up first buffer and second buffer and set up the rubber pad in the shell outside, can carry out multiple protection to optical time domain reflectometer to effectively reduce the risk of optical time domain reflectometer fall damage, through setting up the fixed block, can effectually fix the inside at shell and inner shell with optical time domain reflectometer, finally can improve work efficiency, reduced the unnecessary loss.

Drawings

Fig. 1 is a schematic view of an overall structure of an anti-falling optical time domain reflectometer housing according to the present invention;

fig. 2 is a schematic diagram of an internal structure of an anti-falling optical time domain reflectometer housing according to the present invention;

fig. 3 is a schematic structural diagram of a second buffer device of the anti-falling type optical time domain reflector housing according to the present invention;

fig. 4 is a schematic structural diagram of a first buffer device of an anti-falling type optical time domain reflectometer housing according to the present invention;

fig. 5 is an enlarged view of fig. 2 at a.

In the figure: 1. a housing; 2. an inner shell; 3. a reflectometer main body; 4. a first buffer device; 5. a second buffer device; 6. a handle; 7. a rubber pad; 8. a stopper; 9. a first groove; 10. a fixed block; 11. fixing grooves; 12. a second groove; 13. a support pillar; 14. fixing a column; 15. a corner block; 16. a movable groove; 17. a fixed shaft; 18. a support arm; 19. a guide block; 20. a guide post; 21. groove III.

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 should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, an anti-falling optical time domain reflectometer casing comprises an outer casing 1, an inner casing 2 is installed inside the outer casing 1, a reflectometer main body 3 is installed inside the inner casing 2, two first buffer devices 4 are symmetrically arranged between inner walls at left and right ends of the outer casing 1 and the inner casing 2, and a second buffer device 5 is arranged at the lower end of the inner casing 2 at the bottom end inside the outer casing 1;

two handles 6 are symmetrically arranged at the left end and the right end of the shell 1, a rubber protection pad 7 is arranged at the outer side of the shell 1, the rubber protection pad 7 is fixedly connected to the shell 1 through viscose, and a stop block 8 is arranged on the upper side of the inner wall of the shell 1; two first grooves 9 are symmetrically formed in the inner walls of the left end and the right end of the inner shell 2, a spring is arranged in the first groove 9 in the inner part of the inner shell 2, and a fixing block 10 is arranged at one end, located in the spring, in the inner part of the first groove 9; two fixing grooves 11 are symmetrically formed in the left end and the right end of the reflectometer main body 3; the first buffer device 4 comprises a second groove 12, two second grooves 12 are symmetrically formed in the inner walls of the left end and the right end of the outer shell 1, a supporting column 13 is arranged inside the second groove 12, two fixing columns 14 are symmetrically arranged on one side of the supporting column 13, three springs are arranged inside the second groove 12 at one end of the supporting column 13 and the two fixing columns 14, and the other side of the supporting column 13 is fixedly connected to one end of the inner shell 2; second buffer 5 contains corner block 15, corner block 15 fixed connection is at the lower extreme of inner shell 2, two activity grooves 16 have been seted up to the lower extreme symmetry of corner block 15, the inside of activity groove 16 is provided with fixed axle 17, the below symmetry of corner block 15 is provided with two support arms 18, the lower extreme of support arm 18 is provided with guide block 19, two No. three grooves 21 have been seted up in the bottom symmetry that lies in shell 1 to the below of support arm 18, the inside in No. three groove 21 is provided with guide post 20, the upper end of support arm 18 and the inside fixed axle 17 swing joint of activity groove 16, the lower extreme of support arm 18 passes through guide block 19 swing joint on guide post 20, the spring is installed in the one side that lies in guide block 19 in the outside of guide post 20.

It should be noted that, the utility model relates to an anti-falling optical time domain reflectometer casing, when in use, the optical time domain reflectometer is firstly placed inside the inner shell 2, and when in use, two fixed blocks 10 inside the inner shell 2 are embedded into the fixed grooves 11 at the left and right ends of the reflectometer main body 3 to fix the reflectometer main body 3; when the optical time domain reflectometer accidentally drops, firstly, the rubber protection pad 7 contacting the ground weakens the impact force caused by the dropping of the optical time domain reflectometer for the first time, then the first buffer device 4 and the second buffer device 5 in the shell 1 weaken the impact force again, three springs in the first buffer device 4 are deformed by the impact force to weaken the impact force, the corner block 15 presses the two supporting arms 18 below the second buffer device 5 when the second buffer device 5 is subjected to the impact force, the lower ends of the two supporting arms 18 are stressed to enable the guide block 19 to slide towards the left side and the right side along the guide post 20, meanwhile, the springs outside the guide post 20 are deformed by the stress of the guide block 19 to weaken the impact force, and finally, the protection of the optical time domain reflectometer is completed.

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 understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prevent falling type optical time domain reflectometer casing which characterized in that: including shell (1), the internally mounted of shell (1) has inner shell (2), the internally mounted of inner shell (2) has reflectometer main part (3), the symmetry is provided with two first buffer (4) between inner wall and inner shell (2) at both ends about shell (1), the inside bottom of shell (1) is provided with second buffer (5) at the lower extreme that is located inner shell (2).

2. The drop-resistant optical time domain reflectometry housing of claim 1, wherein: the utility model discloses a rubber protection pad, including shell (1), both ends symmetry is provided with two handles (6) about shell (1), the outside of shell (1) is provided with rubber protection pad (7), rubber protection pad (7) are through viscose fixed connection on shell (1), the inner wall upside of shell (1) is provided with dog (8).

3. The drop-resistant optical time domain reflectometry housing of claim 1, wherein: two grooves (9) have been seted up to the inner wall symmetry at both ends about inner shell (2), the internally mounted that is located groove (9) of the inside of inner shell (2) has the spring, fixed block (10) are installed in the one end that is located the spring in the inside in groove (9).

4. The drop-resistant optical time domain reflectometry housing of claim 1, wherein: two fixing grooves (11) are symmetrically formed in the left end and the right end of the reflectometer main body (3).

5. The drop-resistant optical time domain reflectometry housing of claim 1, wherein: first buffer (4) contain No. two grooves (12), No. two grooves (12) have two and symmetry to set up on the inner wall at both ends about shell (1), the inside in No. two grooves (12) is provided with support column (13), support column (13) one side symmetry is provided with two fixed columns (14), the inside in No. two grooves (12) is provided with three spring in the one end that is located support column (13) and two fixed columns (14), the opposite side fixed connection of support column (13) is in the one end of inner shell (2).

6. The drop-resistant optical time domain reflectometry housing of claim 1, wherein: the second buffer device (5) comprises a corner block (15), the corner block (15) is fixedly connected to the lower end of the inner shell (2), two movable grooves (16) are symmetrically arranged at the lower end of the corner block (15), a fixed shaft (17) is arranged in each movable groove (16), two supporting arms (18) are symmetrically arranged below the corner block (15), the lower ends of the supporting arms (18) are provided with guide blocks (19), two third grooves (21) are symmetrically arranged at the bottom end of the shell (1) below the supporting arm (18), a guide post (20) is arranged in the third groove (21), the upper end of the supporting arm (18) is movably connected with a fixed shaft (17) in the movable groove (16), the lower end of the supporting arm (18) is movably connected on a guide post (20) through a guide block (19), and a spring is arranged on one side of the guide block (19) on the outer side of the guide column (20).