CN219164573U

CN219164573U - Anti-falling structure of optical time domain reflectometer

Info

Publication number: CN219164573U
Application number: CN202223551320.5U
Authority: CN
Inventors: 陈建怀; 陈逸波; 陈远红
Original assignee: Shenzhen Guoxun Communication Engineering Co ltd
Current assignee: Shenzhen Guoxun Communication Engineering Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-09
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of optical time domain reflection and discloses an anti-falling structure of an optical time domain reflectometer, wherein installation bottom blocks are fixedly arranged at four corners of an inner cavity bottom plate of an anti-falling shell, transverse rods are transversely and fixedly connected in the middle of the installation bottom blocks, inserting guide rods are fixedly connected to the tops of the installation bottom blocks, buffer bottom plates are sleeved outside the inserting guide rods, hinge seats are fixedly arranged at the front side and the rear side of the bottom of the buffer bottom plates, and extrusion connecting rods are movably connected to the inside of the hinge seats through bearings. This prevent falling structure of optical time domain reflectometer through adding first spring and the second spring of establishing for when optical time domain reflectometer takes place to fall down, drive the motion of extrusion connecting rod and extrusion cover seat through buffering bottom plate and articulated seat, thereby through extrusion second spring, and make buffering bottom plate extrusion first spring simultaneously, and then slowed down the impact force that brings when falling down.

Description

Anti-falling structure of optical time domain reflectometer

Technical Field

The utility model relates to the technical field of protection of optical time domain reflectometers, in particular to an anti-falling structure of an optical time domain reflectometer.

Background

The optical time domain reflectometer is an instrument for knowing a plurality of performances such as uniformity, defects, fracture, joint coupling and the like of an optical fiber through analysis of a measurement curve, is manufactured according to the backscattering and Fresnel reverse principle of light, acquires attenuation information by utilizing backscattering light generated when light propagates in the optical fiber, can be used for measuring the attenuation of the optical fiber, joint loss, positioning of a fault point of the optical fiber, knowing the loss distribution condition of the optical fiber along the length and the like, and is an indispensable tool in optical cable construction, maintenance and monitoring, and a protection and anti-falling structure is generally additionally arranged outside the optical time domain reflectometer for protecting the optical fiber in the using process of the optical time domain reflectometer.

The common anti-falling structure is generally in a shell shape and is sleeved outside the optical time domain reflectometer, and meanwhile, a spring or a buffer strip is additionally arranged on the inner wall of the anti-falling shell to protect the optical time domain reflectometer, so that the impact force suffered by the optical time domain reflectometer is relieved when the optical time domain reflectometer falls down, such as an authorized patent CN 216016869U, and the anti-falling structure of the optical time domain reflectometer comprises the shell, the spring, the first buffer strip and the second buffer strip. The optical time domain reflectometer body inside the housing is protected.

But this kind of mode is gentle because direct joint in the inside of shell when the optical time domain reflectometer body for the impact force that produces when taking place to drop still can act on the optical time domain reflectometer body, makes optical time domain reflectometer striking shell, thereby causes harm simultaneously to optical time domain reflectometer and shell, and this kind of mode can't protect the anterior display screen of optical time domain reflectometer, leads to causing harm to the display screen when dropping easily, can not satisfy the work requirement of prevention of seepage outer wall decorative board, proposes the anti-drop structure of an optical time domain reflectometer for this reason.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an anti-falling structure of an optical time domain reflectometer, so as to solve the technical problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-falling structure of optical time domain reflectometer, includes prevents falling the shell, the outside cover of preventing falling the shell is equipped with prevents falling the cover, the equal fixed installation in inner chamber bottom plate four corners of preventing falling the shell has installed the bottom block, equal horizontal fixedly connected with horizontal pole in the middle of the installation bottom block, the equal fixedly connected with grafting guide arm in top of installation bottom block, the outside of grafting guide arm is all overlapped and is equipped with buffering bottom plate, both sides are all fixedly installed around buffering bottom plate's the bottom, and the inside of articulated seat all has the extrusion connecting rod through bearing swing joint.

Preferably, the left and right sides of horizontal pole all overlap and are equipped with extrusion sleeve seat, the outside of grafting guide arm all overlaps and is equipped with first spring, the position that the left and right sides of horizontal pole is located extrusion sleeve seat outside all overlaps and is equipped with the second spring.

Preferably, the top of the extrusion sleeve seat is movably connected with the bottom end of the extrusion connecting rod through a rotating shaft, and the height of the first spring is smaller than that of the insertion guide rod.

Preferably, the screw holes are formed in the front portion and the left and right sides of the anti-falling shell and the front portion and the rear portion of the anti-falling cover, bolts are screwed into the screw holes, the left and right sides of the anti-falling shell are arc-shaped, and rubber air cushions are arranged on the front side and the rear side of the anti-falling shell.

Preferably, the protection strip is fixedly arranged on the left side of the top of the anti-falling cover, and the rubber strip is fixedly connected to the bottom of the protection strip, so that the optical time domain reflectometer is prevented from directly impacting the inside of the anti-falling cover in the process of up-down buffering.

Preferably, the top right side of preventing falling the cover articulates through the pivot has the protection apron, the rubber sheet has been laid to the bottom of protection apron, the magnetite has all been installed to the left and right sides of protection apron, has made things convenient for switch protection apron to can protect the display screen at light time domain reflectometer top simultaneously.

Preferably, the bottom four corners of the anti-falling cover are fixedly connected with limiting rods at positions corresponding to the plug-in guide rods, buffer strips are arranged on the left side and the right side of the inside of the anti-falling cover, and the heights of the buffer strips are the same as those of the rubber strips.

(III) beneficial effects

Compared with the prior art, the utility model provides an anti-falling structure of an optical time domain reflectometer, which has the following beneficial effects:

this prevent falling structure of optical time domain reflectometer through adding first spring and the second spring that establishes for when optical time domain reflectometer takes place to fall, drive the motion of extrusion connecting rod and extrusion cover seat through buffering bottom plate and articulated seat, thereby through extrusion second spring, and make buffering bottom plate extrusion first spring simultaneously, and then slowed down the impact force that brings when falling, make optical time domain reflectometer body can not take place to damage because of receiving great impact force when falling, protected optical time domain reflectometer's safety in utilization.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the anti-falling shell of the utility model;

FIG. 3 is a schematic view of the first and second springs of the present utility model;

FIG. 4 is a schematic view of the structure of the anti-drop cover of the present utility model;

FIG. 5 is a schematic view of the internal structure of the anti-drop cover according to the present utility model.

In the figure: 1. an anti-shatter housing; 2. an anti-drop cover; 21. a limit rod; 3. a bolt; 4. installing a bottom block; 5. a cross bar; 6. inserting a guide rod; 7. a first spring; 8. a second spring; 9. extruding the sleeve seat; 10. a buffer bottom plate; 11. a hinge base; 12. extruding the connecting rod; 13. a guard bar; 131. a rubber strip; 14. a protective cover plate; 141. a magnet; 15. rubber air cushion.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a technical scheme, an anti-falling structure of an optical time domain reflectometer, which comprises an anti-falling shell 1, an anti-falling cover 2, a limiting rod 21, a bolt 3, a mounting bottom block 4, a cross rod 5, a splicing guide rod 6, a first spring 7, a second spring 8, an extrusion sleeve seat 9, a buffer bottom plate 10, a hinging seat 11, an extrusion connecting rod 12, a protection strip 13, a rubber strip 131, a protection cover plate 14, a magnet 141 and a rubber air cushion 15, wherein the anti-falling cover 2 is sleeved outside the anti-falling shell 1, the mounting bottom block 4 is fixedly arranged at four corners of an inner cavity bottom plate of the anti-falling shell 1, the cross rod 5 is transversely fixedly connected in the middle of the mounting bottom block 4, the splicing guide rod 6 is fixedly connected at the top of the mounting bottom block 4, the splicing guide rod 6 is sleeved outside the splicing guide rod 6, the buffering bottom plate 10 is fixedly arranged at the front and back sides of the bottom of the buffering bottom plate 10, the hinging seat 11 is fixedly connected with the hinging seat 11, and the extrusion connecting rod 12 is movably connected inside the hinging seat 11 through bearings.

The left and right sides of horizontal pole 5 all overlap and are equipped with extrusion sleeve seat 9, and the outside of grafting guide arm 6 all overlaps and is equipped with first spring 7, and the position that the left and right sides of horizontal pole 5 is located extrusion sleeve seat 9 outside all overlaps and is equipped with second spring 8.

The top of extrusion seat 9 all passes through the bottom swing joint of pivot and extrusion connecting rod 12, the high height of first spring 7 is less than the height of grafting guide arm 6, through first spring 7 and second spring 8 that add and establish for when optical time domain reflectometer takes place to drop, drive the motion of extrusion connecting rod 12 and extrusion seat 9 through buffering bottom plate 10 and articulated seat 11, thereby through extrusion second spring 8, and make buffering bottom plate 10 extrude first spring 7 simultaneously, and then the impact force that brings when having slowed down, make optical time domain reflectometer body can not take place to damage because of receiving great impact force when dropping, optical time domain reflectometer's safety in utilization has been protected.

Referring to fig. 4, screw holes are formed in the front and rear left and right sides of the anti-falling shell 1 and the anti-falling cover 2, bolts 3 are screwed into the screw holes, the left and right sides of the anti-falling shell 1 are arc-shaped, and rubber air cushions 15 are respectively arranged on the front and rear sides of the anti-falling shell 1, referring to fig. 1.

The protection strip 13 is fixedly arranged on the left side of the top of the anti-falling cover 2, and referring to fig. 5, the rubber strip 131 is fixedly connected to the bottom of the protection strip 13, so that the optical time domain reflectometer is prevented from directly impacting the inside of the anti-falling cover 2 in the up-down buffering process.

Referring to fig. 4, the right side of the top of the anti-falling cover 2 is hinged with a protective cover plate 14 through a rotating shaft, a rubber sheet is laid at the bottom of the protective cover plate 14, magnets 141 are respectively arranged at the left side and the right side of the protective cover plate 14, the protective cover plate 14 is conveniently opened and closed, and meanwhile, a display screen at the top of the optical time domain reflectometer can be protected.

Referring to fig. 5, the four corners of the bottom of the anti-falling cover 2 are fixedly connected with limiting rods 21 corresponding to the insertion guide rods 6, and buffer strips are respectively mounted on the left and right sides of the inside of the anti-falling cover 2 and have the same height as the rubber strips 131.

The working principle of the device is as follows: first spring 7 and second spring 8 that add for when optical time domain reflectometer took place to drop, drive the motion of extrusion connecting rod 12 and extrusion cover seat 9 through buffering bottom plate 10 and articulated seat 11, thereby through extrusion second spring 8, and make buffering bottom plate 10 extrusion first spring 7 simultaneously, and then slowed down the impact force that brings when dropping, make optical time domain reflectometer body can not take place to damage because of receiving great impact force when dropping, protected optical time domain reflectometer's safety in utilization.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-falling structure of optical time domain reflectometer, includes anti-falling shell (1), its characterized in that: the outside cover of preventing falling shell (1) is equipped with prevents falling cover (2), the equal fixed mounting in inner chamber bottom plate four corners of preventing falling shell (1) has installation sill block (4), all horizontal fixedly connected with horizontal pole (5) in the middle of installation sill block (4), the equal fixedly connected with grafting guide arm (6) in top of installation sill block (4), the outside of grafting guide arm (6) all overlaps and is equipped with buffering bottom plate (10), both sides are all fixedly installed articulated seat (11) around the bottom of buffering bottom plate (10), and the inside of articulated seat (11) all has extrusion connecting rod (12) through bearing swing joint.

2. The anti-drop structure of an optical time domain reflectometer according to claim 1, wherein: the left and right sides of horizontal pole (5) all overlap and are equipped with extrusion sleeve seat (9), the outside of grafting guide arm (6) all overlaps and is equipped with first spring (7), the position that the left and right sides of horizontal pole (5) are located extrusion sleeve seat (9) outside all overlaps and is equipped with second spring (8).

3. The anti-drop structure of an optical time domain reflectometer according to claim 2, wherein: the top of the extrusion sleeve seat (9) is movably connected with the bottom end of the extrusion connecting rod (12) through a rotating shaft, and the height of the first spring (7) is smaller than that of the inserting guide rod (6).

4. The anti-drop structure of an optical time domain reflectometer according to claim 1, wherein: screw holes are formed in the front portion and the left and right sides of the anti-falling shell (1) and the front portion and the rear portion of the anti-falling cover (2), bolts (3) are screwed into the screw holes, the left and right sides of the anti-falling shell (1) are arc-shaped, and rubber air cushions (15) are arranged on the front side and the rear side of the anti-falling shell (1).

5. The anti-drop structure of an optical time domain reflectometer according to claim 1, wherein: the anti-falling protective cover is characterized in that a protective strip (13) is fixedly arranged on the left side of the top of the anti-falling protective cover (2), and a rubber strip (131) is fixedly connected to the bottom of the protective strip (13).

6. The anti-drop structure of an optical time domain reflectometer according to claim 1, wherein: the anti-falling cover is characterized in that a protective cover plate (14) is hinged to the right side of the top of the anti-falling cover (2) through a rotating shaft, a rubber sheet is laid at the bottom of the protective cover plate (14), and magnets (141) are respectively arranged on the left side and the right side of the protective cover plate (14).

7. The anti-drop structure of an optical time domain reflectometer according to claim 1, wherein: the anti-falling cover is characterized in that limit rods (21) are fixedly connected to the four corners of the bottom of the anti-falling cover (2) and the positions corresponding to the inserting guide rods (6), buffer strips are arranged on the left side and the right side of the inside of the anti-falling cover (2), and the heights of the buffer strips are identical to those of the rubber strips (131).