CN214412732U

CN214412732U - Optical time domain reflectometer

Info

Publication number: CN214412732U
Application number: CN202120205376.1U
Authority: CN
Inventors: 林永烽; 郑勇
Original assignee: Fujian Kefeng Telecommunication Engineering Co ltd
Current assignee: Fujian Kefeng Telecommunication Engineering Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-10-15
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses an optical time domain reflectometer, which comprises an optical time domain reflectometer body, a base, a rotating shaft and a supporting shaft, wherein the mounting surface of the base is an inclined surface, the rotating shaft is respectively arranged on two side walls of the inclined surface, the reflectometer body is provided with a connecting part, and the reflectometer body is rotatably arranged on the rotating shaft through the connecting part; the back shaft all articulates and locates the inclined plane, reflectometer body bottom surface be equipped with the supporting part of back shaft looks adaptation, the height that the pivot is located inclined plane position department is greater than the height that the back shaft is located inclined plane position department. The utility model discloses simple structure, convenient to use.

Description

Optical time domain reflectometer

Technical Field

The utility model relates to an optical fiber fusion equipment technical field, concretely relates to optical time domain reflectometer.

Background

An optical time-domain reflectometer (OTDR) is an instrument for understanding the uniformity, defects, breakage, joint coupling and other properties of an optical fiber by analyzing a measurement curve, and is an essential tool for optical cable construction, maintenance and monitoring.

However, the existing optical time domain reflectometer has some disadvantages, for example, the existing optical time domain reflectometer lacks a supporting mechanism, so that a user needs to hold the optical time domain reflectometer by hands continuously, and meanwhile, the existing optical time domain reflectometer lacks a stable base, so that on one hand, the falling resistance is poor, and on the other hand, the existing optical time domain reflectometer is easy to topple over when being erected, so that the existing optical time domain reflectometer is damaged.

The utility model with application number 201922269818.4 discloses an optical time domain reflectometer for detecting the characteristics of optical cable circuit, which comprises a first connecting block connected to the right center of the reflectometer main body, a first connecting seat fixed base, a first connecting seat connected to the right side of the first connecting block, a first supporting plate connected to the inner side of the first connecting seat, a positioning cavity is arranged inside the right side of the first supporting plate, a first limiting block is inserted inside the positioning cavity, the surface shape and the size of the first limiting block are the same as the inner shape and the size of the limiting cavity, the first limit block can be inserted in the limit cavity, the same shape and size can reduce the shaking generated when the first limit block is inserted in the limit cavity, and the left side butt of first stopper has connect the spring leaf, and the right side butt of first stopper has connected the stripper plate, and the right side of stripper plate is connected with the gag lever post.

Above-mentioned patent need take angle of adjustment out earlier with the second connecting rod when using, and angular adjustment has accomplished the back, and rotatory swivel nut makes swivel nut 6 move to the left side gradually through the screw thread formula structure, through the extrusion of swivel nut, makes the grip slipper tighten up gradually, increases the extrusion power of grip slipper to the head rod to can fix the extended position of head rod, after the stroke of head rod and second connecting rod is confirmed, can install the reflectometer main part. The above patent is not only complicated in structure, but also cumbersome in operation when in use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem of providing an optical time domain reflectometer with simple structure and convenient operation.

In order to solve the technical problem, the utility model discloses a technical scheme be:

an optical time domain reflectometer comprises an optical time domain reflectometer body, a base, two rotating shafts and a supporting shaft, wherein the base is provided with a mounting groove for placing the optical time domain reflectometer body, the bottom surface of the mounting groove is an inclined surface, the two rotating shafts are respectively arranged on two side walls of the inclined surface, the reflectometer body is provided with a connecting part, and the optical time domain reflectometer body is rotatably arranged on the rotating shafts through the connecting part; the supporting shaft is hinged to the inclined plane, the supporting portion matched with the supporting shaft is arranged on the bottom surface of the optical time domain reflector body, and the height of the rotating shaft at the position of the inclined plane is larger than the height of the supporting shaft at the position of the inclined plane.

Further, still include one and dial button and reset spring, dial the button and locate between pivot and the reset spring, the one end of pivot with dial button fixed connection, reset spring conflicts in dialling the button, dial the direction of stirring of button towards reset spring.

Further, still include a circular stopper, circular stopper is equipped with the fixture block, the lateral wall of base is equipped with the spacing groove, circular stopper rotationally locates to dial the button and circular stopper is equipped with fixture block one end and extends to the spacing groove, the fixture block can imbed the spacing groove or separate with the spacing groove.

Further, still include articulated seat, the inclined plane is located to articulated seat is movably, the moving direction of articulated seat arranges along the incline direction of inclined plane, articulated seat is located to the back shaft.

Furthermore, the supporting shaft is a telescopic rod.

Furthermore, one end of the base, which is far away from the rotating shaft, is provided with a protrusion for supporting the optical time domain reflector body, and the distance from the top surface of the mounting groove to the protrusion is equal to the thickness of the optical time domain reflector body.

By adopting the technical scheme provided by the utility model, the optical time domain reflectometer body can be fixed only by rotating the optical time domain reflectometer body and then rotating the supporting shaft to insert one end of the supporting shaft into the supporting part, and the operation is simple; this the utility model discloses a bearing structure comprises pivot and back shaft, and simple structure is compact.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the rotated structure of the present invention;

FIG. 3 is a schematic structural view of the base of the present invention;

fig. 4 is a schematic structural diagram of the optical time domain reflectometer body of the present invention;

FIG. 5 is a schematic view of the connection structure of the rotating shaft, the toggle button and the return spring according to the present invention;

description of reference numerals:

1. an optical time domain reflectometer body; 2. a base; 3. a rotating shaft; 4. a support shaft; 5. mounting grooves; 6. a connecting portion; 7. a support portion; 8. a toggle button is pushed; 9. a return spring; 10. a circular limiting block; 11. a hinged seat; 12. And (4) protruding.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 5, an optical time domain reflectometer includes an optical time domain reflectometer body 1, a base 2, two rotating shafts 3 and a supporting shaft 4. The base 2 is equipped with mounting groove 5 that is used for placing optical time domain reflectometer body 1, and the bottom surface of mounting groove 5 is the inclined plane, and the both sides wall on inclined plane is located respectively to two pivot 3, and the reflectometer body is equipped with connecting portion 6, and connecting portion 6 can be circular recess or set up a bearing in optical time domain reflectometer body 1, and optical time domain reflectometer body 1 rotationally locates pivot 3 through connecting portion 6. All articulated the locating inclined plane of 4 one ends of back shaft, 1 bottom surface of optical time domain reflectometer body be equipped with the supporting part 7 of 4 looks adaptations of back shaft, the height that pivot 3 is located inclined plane position department is greater than the height that two back shafts 4 are located inclined plane position department, sets up pivot 3 in the higher position of inclined plane position, is when preventing that optical time domain reflectometer body 1 rotates, prevents that optical time domain reflectometer body 1's rotation end and 5 bottom surfaces of mounting groove from taking place friction or unable pivoted condition and taking place.

The use principle is as follows:

when the optical time domain reflectometer is used, the optical time domain reflectometer body 1 is rotated, then the supporting shaft 4 is rotated to insert one end of the supporting shaft 4 into the supporting part 7, and the optical time domain reflectometer body 1 is fixed, so that the operation is simple.

Referring to fig. 1, fig. 3 and fig. 5, this technical scheme still includes that one dials button 8 and reset spring 9, dials button 8 and locates between pivot 3 and the reset spring 9, the one end of pivot 3 with dial button 8 fixed connection, reset spring 9 is contradicted in dialling button 8, the direction of dialling button 8 is towards reset spring 9. Adopt this technical scheme only to need stir and dial button 8 and can make pivot 3 and the separation of connecting portion 6 of optical time domain reflectometer body 1, release and dial button 8, pivot 3 can be in order to reset through reset spring 9's effect, the dismantlement of optical time domain reflectometer body 1 of being convenient for.

Referring to fig. 1, fig. 3 and fig. 5, the present technical solution further includes a circular limiting block 10, the circular limiting block 10 is provided with a clamping block (not shown in the figure), the outer sidewall of the base 2 is provided with a limiting groove (not shown in the figure), the circular limiting block 10 is rotatably disposed on the toggle button 8 and the circular limiting block 10 is provided with one end of the clamping block (not shown in the figure) extending to the limiting groove (not shown in the figure), and the clamping block (not shown in the figure) can be embedded into the limiting groove (not shown in the figure) or separated from the limiting groove (not shown in the figure). Adopt this technical scheme, make fixture block (not seen in the picture) embedding spacing groove (not seen in the picture) through rotating circular stopper 1010, will dial button 8 and be fixed in base 2, can't stir promptly and dial button 8, when fixture block (not seen in the picture) and spacing groove (not seen in the picture) separate, can stir and dial button 8, improve the utility model discloses a steadiness.

Referring to fig. 3, the base 2 of the present embodiment is provided with a hinge seat 11, the hinge seat 11 is movably disposed on the inclined surface, a moving direction of the hinge seat 11 is arranged along the inclined direction of the inclined surface, and the support shaft 4 is disposed on the hinge seat 11. By adopting the technical scheme, the rotating angle of the optical time domain reflector body 1 can be adjusted by adjusting the position of the supporting shaft 4, and the supporting shaft 4 can also adopt a telescopic rod structure in order to achieve the technical effect.

Referring to fig. 1 and 3, a protrusion 12 for supporting the optical time domain reflector body 1 is disposed at one end of the base 2 away from the rotating shaft 3, and a distance from the top surface of the mounting groove 5 to the protrusion 12 is equal to a thickness of the optical time domain reflector body 1. Adopt this technical scheme, place when base 2 uses when optical time domain reflectometer body 1, optical time domain reflectometer body 1's surface flushes with base 2, is convenient for the utility model discloses a use.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. The utility model provides an optical time domain reflectometer, includes optical time domain reflectometer body and base, its characterized in that: the optical time domain reflectometer comprises a base, and is characterized by further comprising two rotating shafts and a supporting shaft, wherein the base is provided with a mounting groove for placing an optical time domain reflectometer body, the bottom surface of the mounting groove is an inclined surface, the two rotating shafts are respectively arranged on two side walls of the inclined surface, the reflectometer body is provided with a connecting part, and the optical time domain reflectometer body is rotatably arranged on the rotating shafts through the connecting part; the supporting shaft is hinged to the inclined plane, the supporting portion matched with the supporting shaft is arranged on the bottom surface of the optical time domain reflector body, and the height of the rotating shaft at the position of the inclined plane is larger than the height of the supporting shaft at the position of the inclined plane.

2. An optical time domain reflectometer as in claim 1, wherein: still include one and dial button and reset spring, dial the button and locate between pivot and the reset spring, the one end of pivot with dial button fixed connection, reset spring conflicts in dialling the button, dial the direction of stirring of button towards reset spring.

3. An optical time domain reflectometer as in claim 2, wherein: still include a circular stopper, circular stopper is equipped with the fixture block, the lateral wall of base is equipped with the spacing groove, circular stopper rotationally locates to dial the button and circular stopper is equipped with fixture block one end and extends to the spacing groove, the fixture block can inlay the spacing groove or separate with the spacing groove.

4. An optical time domain reflectometer as in claim 1, wherein: still include articulated seat, the inclined plane is located to articulated seat is movably, the moving direction of articulated seat arranges along the incline direction on inclined plane, articulated seat is located to the back shaft.

5. An optical time domain reflectometer as in claim 1, wherein: the supporting shaft is a telescopic rod.

6. An optical time domain reflectometer as in claim 1, wherein: the base is kept away from the one end of pivot and is equipped with the arch that is used for supporting the optical time domain reflectometer body, mounting groove top surface equals the thickness of optical time domain reflectometer body to bellied distance.