CN112066179B - Supporting structure for optical time domain reflectometer for communication optical fiber detection - Google Patents
Supporting structure for optical time domain reflectometer for communication optical fiber detection Download PDFInfo
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- CN112066179B CN112066179B CN202010948464.0A CN202010948464A CN112066179B CN 112066179 B CN112066179 B CN 112066179B CN 202010948464 A CN202010948464 A CN 202010948464A CN 112066179 B CN112066179 B CN 112066179B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 51
- 238000004891 communication Methods 0.000 title claims abstract description 13
- 239000013307 optical fiber Substances 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 title claims abstract description 9
- 238000001179 sorption measurement Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 42
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 230000007306 turnover Effects 0.000 abstract description 20
- 238000009434 installation Methods 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 239000011796 hollow space material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/041—Allowing quick release of the apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B47/00—Suction cups for attaching purposes; Equivalent means using adhesives
- F16B47/006—Suction cups for attaching purposes; Equivalent means using adhesives the suction cups being activated by the rotation of a cranked lever arm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses a supporting structure for an optical time domain reflectometer for communication optical fiber detection, which relates to the field of optical time domain reflectometers and comprises a supporting frame and the optical time domain reflectometer arranged on the supporting frame, wherein the supporting frame comprises an installation bottom plate and a turnover supporting plate, the optical time domain reflectometer is arranged on the upper surface of the turnover supporting plate, and four end parts of the installation bottom plate are respectively provided with an adsorption device. According to the invention, the bolt and nut assembly can be adjusted to be loosened and tightened and then the turnover support plate and the optical time domain reflectometer arranged on the turnover support plate can be turned over, and the bolt and nut assembly can be fixed after being screwed down; the four end parts of the mounting bottom plate are respectively provided with the adsorption device, and the pull rod pulls the sucker upwards by stirring the pull lug in the adsorption device, so that a vacuum cavity is formed between the lower surface of the sucker and the surface of the supporting surface, and the support frame is convenient to fix.
Description
Technical Field
The invention relates to the field of optical time domain reflectometers, in particular to a supporting structure for an optical time domain reflectometer for communication optical fiber detection.
Background
The optical fiber communication is used as a transmission network carrying a large amount of information, has certain risks and instability, and in order to ensure the smooth operation and safety of the optical fiber communication, an optical time domain reflectometer is a common instrument for accurately measuring the optical fiber communication characteristics. Common optical time domain reflectometer sets up a board that can pull open on the backshell, better observation data when can make things convenient for the concrete operation of operating personnel, but this kind of mode is high to the intensity requirement of fulcrum and support unstably.
Disclosure of Invention
The present invention is directed to a supporting structure for an optical time domain reflectometer for optical communication fiber detection, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the supporting structure for the optical time domain reflectometer for the communication optical fiber detection comprises a supporting frame and the optical time domain reflectometer installed on the supporting frame, wherein the supporting frame comprises a mounting base plate and an overturning support plate, three side edges of the upper surface of the overturning support plate are integrally formed with vertical upward baffles, the optical time domain reflectometer is arranged on the upper surface of the overturning support plate, the three baffles are tightly attached to the side wall of the optical time domain reflectometer, a heat dissipation notch is formed in the surface of the overturning support plate, the mounting base plate is an I-shaped supporting plate body, a pair of hinging seats are arranged on one side of the upper surface of the mounting base plate, a pair of hinging lugs are arranged on the lower surface of the overturning support plate, the two hinging lugs are respectively connected with the two hinging seats through bolt and nut assemblies, adsorption devices are arranged at four end parts of the mounting base plate and comprise a sucker seat, a sucker, a pull rod and a pull rod, Dial ear and reset spring, the sucking disc seat be with mounting plate integrated into one piece's cylinder, and port department is provided with the sucking disc under the inner chamber of sucking disc seat, and the upper end of sucking disc is connected with the pull rod, and the upper end of pull rod runs through along the top of sucking disc seat, and the upper end of pull rod articulates there is the ear of dialling, be connected with reset spring between the upper end of sucking disc and the inner chamber roof of sucking disc seat, reset spring overlaps and establishes the outside at the pull rod.
Preferably, one side of the upper surface of the mounting base plate, which is far away from the hinged seat, is provided with a pair of supporting columns, the upper ends of the supporting columns are contacted and attached with the lower surface of the turnover support plate, an annular U-shaped support is arranged above the sucker, a hollow space for the pull rod to pass through is arranged in the middle of the U-shaped support, the open end of the U-shaped support is fixed on the inner wall of the sucker seat, the reset spring is positioned above the U-shaped support, the upper end part of the U-shaped support is provided with a first air inlet hole, the side wall of the U-shaped support, which is close to the hollow space, is provided with one or more elastic caps, the elastic caps and the side wall of the U-shaped support are in sealed connection to form an inflation space, the inflation space is provided with a second air inlet hole corresponding to the upper end of the inner side wall of the U-shaped support, and the inflation space is provided with a first air outlet hole corresponding to the lower end of the inner side wall of the U-shaped support, first venthole is connected with the one end of breather pipe, the pull rod is close to the bottom position and is provided with elastic sealing ring, the support column is including the hollow cylinder who prescribes a limit to seal space, be provided with the I-shaped closing plate in the hollow cylinder, the one end of I-shaped closing plate can sealed lift in the seal space, the other end of I-shaped closing plate is located the top of hollow cylinder, built-in the I-shaped closing plate has the type of falling L passageway, type of falling L passageway one end with the seal space intercommunication, the other end of the type of falling L passageway is located the I-shaped closing plate the lateral wall of the other end just has sealed cap, the lower tip of hollow cylinder has the slotted hole that holds the check valve, slotted hole and third air inlet intercommunication, the other end and the third air pocket of breather pipe are connected.
Preferably, the upper end of the baffle is an inward-bent hook part, and the hook part is buckled with the upper surface of the optical time domain reflector.
Preferably, a limit screw is screwed on the outer wall of the baffle, an elastic rubber block is arranged at the inner end of the limit screw, the elastic rubber block is tightly attached to the side wall of the optical time domain reflectometer, and a poking and rotating lug is arranged at the outer end of the limit screw.
The invention has the technical effects and advantages that:
1. according to the invention, the optical time domain reflectometer is inserted and installed on the turnover support plate, and the limit screw arranged on the outer wall of one side of the baffle plate is screwed down, so that the elastic rubber block arranged at the inner end of the limit screw can be used for jacking the outer wall of the optical time domain reflectometer, and the optical time domain reflectometer is convenient to install and fix;
2. according to the invention, the bolt and nut assembly can be adjusted to be loosened and tightened and then the turnover support plate and the optical time domain reflectometer arranged on the turnover support plate can be turned over, and the bolt and nut assembly can be fixed after being screwed down;
3. the four end parts of the mounting bottom plate are respectively provided with the adsorption device, and the pull rod pulls the sucker upwards by stirring the pull lug in the adsorption device, so that a vacuum cavity is formed between the lower surface of the sucker and the surface of the supporting surface, and the support frame is convenient to fix.
4. Through the combined action of sealing ring, elastic ring, first to third inlet port, first venthole and support column, can alone or cooperate bolt and nut subassembly to realize the fixed to the upset extension board, use through the cooperation to dial ear and pull rod and realize adsorbing fixed basis on, realize simultaneously that the rising of backup pad is fixed, simple structure and high-efficient have utilized and have dialled ear and pull rod.
Drawings
Fig. 1 is an exploded view of the structure of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a top view of the structure of the present invention.
Fig. 4 is a cross-sectional view taken at a-a in fig. 3.
Fig. 5 is a cross-sectional view at B-B in fig. 3.
Fig. 6 is an enlarged view at C in fig. 4.
Fig. 7 is a detailed structural diagram of fig. 6.
Fig. 8 is an enlarged view of a portion of the structure of fig. 7.
Fig. 9 is a schematic structural view of the support column 7.
In the figure: 1. an optical time domain reflectometer; 2. a support frame; 3. mounting a bottom plate; 4. turning over the support plate; 5. a hinged seat; 51. a hinge ear; 6. a bolt and nut assembly; 7. a support pillar; 8. a baffle plate; 81. a hook part; 9. a limit screw; 91. an elastic rubber block; 10. a heat dissipation notch; 11. an adsorption device; 12. a sucker seat; 13. a suction cup; 14. a pull rod; 15. ear picking; 16. a return spring; 17. a U-shaped bracket; 18. a first air intake hole; 19. an elastic cap; 20. a second air intake hole; 21. a first air outlet hole; 22. a breather pipe; 23. a seal ring; 24. an I-shaped sealing plate; 25. sealing the space; 26. an inverted L-shaped channel; 27. a third air inlet hole; 28. a one-way valve; 30. and (7) sealing the cap.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a supporting structure for an optical time domain reflectometer for communication optical fiber detection as shown in figures 1-6, which comprises a supporting frame 2 and the optical time domain reflectometer 1 arranged on the supporting frame 2, and is combined with figures 1 and 2, the supporting frame 2 comprises an installation bottom plate 3 and a turnover support plate 4, three side edges of the upper surface of the turnover support plate 4 are uniformly molded with a baffle plate 8 which is vertically upward, the optical time domain reflectometer 1 is arranged on the upper surface of the turnover support plate 4, the three baffle plates 8 are tightly attached to the side wall of the optical time domain reflectometer 1, the surface of the turnover support plate 4 is provided with a heat dissipation notch 10, when the optical time domain reflectometer 1 works, the bottom of the optical time domain reflectometer 1 is conveniently cooled, and is combined with figures 4 and 5, the upper end of the baffle plate 8 is provided with an inward bending hook part 81, and the hook part 81 is buckled with the upper surface of the optical time domain reflectometer 1 to limit the optical time domain reflectometer 1, have a stop screw 9 along the outer wall spiro union of a side shield 8, the inner of stop screw 9 is provided with elastic rubber piece 91, rotates through being provided with the dial ear to stop screw 9 outer end for elastic rubber piece 91 hugs closely the lateral wall of optical time domain reflectometer 1, strengthens fixedly to optical time domain reflectometer 1.
Referring to fig. 1, fig. 2 and fig. 4, the mounting plate 3 is an i-shaped support plate, a pair of hinge seats 5 is disposed on one side of the upper surface of the mounting plate 3, a pair of hinge lugs 51 is disposed on one side of the lower surface of the turnover support plate 4, the two hinge lugs 51 are respectively connected with the two hinge seats 5 through bolt and nut assemblies 6, and the bolt and nut assemblies 6 are loosened to enable the optical time domain reflectometer 1 mounted on the turnover support plate 4 and the turnover support plate 4 to be turned over, so that the angle of the optical time domain reflectometer 1 during use is conveniently adjusted, referring to fig. 2 and fig. 4, a pair of support columns 7 is disposed on one side of the upper surface of the mounting plate 3, which is far away from the hinge seats 5, and the upper ends of the support columns 7 are in contact with the lower surface of the turnover support plate 4 under normal conditions, and the turnover support plate 4 is supported by the support columns 7.
Referring to fig. 1 and 6, the four ends of the mounting base plate 3 are provided with adsorption devices 11, each adsorption device 11 includes a suction cup seat 12, a suction cup 13, a pull rod 14, a pull lug 15 and a return spring 16, the suction cup seat 12 is a cylinder integrally formed with the mounting base plate 3, the suction cup 13 is arranged at the lower port of the inner cavity of the suction cup seat 12, the upper end of the suction cup 13 is connected with the pull rod 14, the upper end of the pull rod 14 penetrates through the top of the suction cup seat 12, and the upper end of the pull rod 14 is hinged with the pull lug 15, through shifting the shifting lug 15, the pull rod 14 pulls the sucker 13 upwards, so that a vacuum cavity is formed between the lower surface of the sucker 13 and the surface of the supporting surface, the supporting frame 2 in the invention is convenient to fix, a return spring 16 is connected between the upper end of the sucker 13 and the top wall of the inner cavity of the sucker seat 12, the return spring 16 is sleeved outside the pull rod 14, and the sucker 13 is convenient to rebound and reset.
In the invention, the optical time domain reflector 1 is inserted and installed on the turnover support plate 4, and the limit screw 9 arranged on the outer wall of one side of the baffle plate 8 is screwed down, so that the elastic rubber block 91 arranged at the inner end of the limit screw 9 supports against the outer wall of the optical time domain reflector 1, and the optical time domain reflector 1 is convenient to install and fix; according to the actual use requirement, the turning support plate 4 and the optical time domain reflector 1 installed on the turning support plate 4 can be turned after the tightness of the bolt and nut assembly 6 is adjusted, the bolt and nut assembly 6 can be screwed to complete fixing, the four end parts of the installation bottom plate 3 are respectively provided with the adsorption device 11, the pull rod 14 pulls the suction disc 13 upwards through shifting the shifting lug 15 in the adsorption device 11, so that a vacuum cavity is formed between the lower surface of the suction disc 13 and the surface of the support surface, and the support frame 2 is convenient to fix.
When using, though can be through bolt and nut subassembly 6 strong upset support 4 is fixed, when practical application, above-mentioned fixed appears becoming flexible when rocking easily, leads to the risk that optical time domain reflectometer 1 dropped, and because do not have special instrument to rotate bolt and nut usually when being out, thereby lead to unable firm support, for this reason, further improvement has been carried out, can cooperate and use bolt and nut subassembly 6 to carry out more firm support, even there is not the instrument, also can bronze drum support column 7 carry out stable support, concrete scheme is as follows: the top of sucking disc 13 is provided with annular U-shaped support 17, the middle of U-shaped support 17 has the cavity space that supplies pull rod 14 to pass, the open end of U-shaped support 17 is fixed at the inner wall of sucking disc seat 12, reset spring 16 is located the top of U-shaped support 17, the upper end of U-shaped support 17 is provided with first inlet port 18, U-shaped support 17 is close to the lateral wall of cavity space is provided with one or more elastic caps 19, sealing connection forms the plenum space between the lateral wall of elastic caps 19 and the U-shaped support, the plenum space corresponds the inside wall upper end of U-shaped support 17 and is provided with second inlet port 20, the plenum space corresponds the inside wall lower extreme of U-shaped support is provided with first venthole 21, first venthole 21 is connected with the one end of breather pipe 22, pull rod 14 is close to the bottom position and is provided with elastic sealing ring 23, the supporting column 7 comprises a hollow cylinder for limiting a sealing space 25, an I-shaped sealing plate 24 is arranged in the hollow cylinder, one end of the I-shaped sealing plate 24 can be lifted in the sealing space 25 in a sealing mode, the other end of the I-shaped sealing plate 24 is located above the hollow cylinder, an inverted L-shaped channel 26 is arranged in the I-shaped sealing plate 24, one end of the inverted L-shaped channel 26 is communicated with the sealing space 25, the other end of the inverted L-shaped channel 26 is located on the side wall of the other end of the I-shaped sealing plate 24 and is provided with a sealing cap 30, a slotted hole for accommodating a one-way valve 28 is formed in the lower end portion of the hollow cylinder, the slotted hole is communicated with a third air inlet 27, and the other end of the air pipe 22 is connected with the third air inlet 27. In the using process, if the supporting column 7 is needed to be used for fixing, the pull rod 14 is driven to reciprocate by the pulling lug 15, in the descending process, the sealing ring 23 of the pull rod 14 can be extruded and enter the hollow space defined by the U-shaped support 17, when the sealing ring 23 contacts the upper end part of the elastic ring 19, the sealing ring 23 starts to extrude the elastic ring 19, because the sealing ring 23 and the elastic ring 19 both have elasticity, the sealing can be kept in the compression process, when the elastic ring 19 part at the upper end of the second air inlet hole 20 is compressed, the pressure can be smoothly extruded to prevent the pressure from suddenly increasing, the gas can be discharged from the second air inlet hole 20, when the sealing ring 23 compresses the elastic ring 19 part below the second air inlet hole 20 (at this time, because of the elasticity, the elastic ring 19 at the upper part of the sealing ring 23 is reset, so that the air in the U-shaped support enters the reset space), the sealing ring 23 continuously extrudes the elastic ring 19 along with descending, so that air inside the elastic ring is continuously extruded to enter the first air outlet hole 21, then the air is input into the third air inlet hole 27 through the connected air pipe 22, the air pushes the one-way valve 28 to enter the sealing space 25, the pressure of the sealing space 25 rises along with the continuous entering of the air, the I-shaped sealing plate 24 is pushed to rise, and the rising I-shaped sealing plate can support the turnover support plate 4; after the pull rod 14 enters the bottommost part, the pull rod 14 starts to ascend in a reciprocating mode, the elastic ring 19 starts to be extruded again, however, due to the fact that the second air inlet holes 20 are opened all the time, air can be smoothly discharged from the second air inlet holes 20, great effort is not needed when the pull rod is pulled out, the process is repeated until the height of the I-shaped sealing plate 24 reaches the proper position. When the resetting is needed, the sealing cap 30 is opened, so that the gas in the sealing space 25 is discharged through the inverted L-shaped channel 26, and the I-shaped sealing plate falls to the initial height due to the action of gravity. Thereby through above-mentioned setting, can alone or cooperate bolt and nut subassembly 6 to realize fixing upset extension board 4, use to dial ear and pull rod through the cooperation and realize adsorbing fixed basis on, realize simultaneously that it is fixed to the rising of backup pad 7. The supporting method can be summarized as follows: the method further comprises the following steps: the pull rod 14 is driven to reciprocate up and down through the pulling lug 15, the sealing ring 23 of the pull rod 14 is extruded and enters a hollow space defined by the U-shaped bracket 17 when the pull rod descends, the sealing ring 23 begins to extrude the elastic ring 19, the elastic ring 19 part positioned at the upper end of the second air inlet hole 20 is compressed, so that air is discharged from the second air inlet hole 20, the pull rod continues to descend, so that the sealing ring 23 compresses the elastic ring 19 part positioned below the second air inlet hole 20, so that air in the elastic ring is continuously extruded and enters the first air outlet hole 21, the air is input into the third air inlet hole 27 through the connected vent pipe 22, the air pushes the one-way valve 28 to enter the sealing space 25, the I-shaped sealing plate 24 is pushed to ascend to support the turnover support plate 4, after the pull rod 14 enters the bottommost part, the pull rod 14 begins to ascend, and the elastic ring 19 is extruded again so that air can be discharged from the second air inlet hole 20, the above process is repeated until the height of the i-shaped sealing plate 24 reaches the proper position.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (3)
1. The utility model provides a bearing structure for optical time domain reflectometer for communication optical fiber detects, includes support frame (2) and installs optical time domain reflectometer (1) on support frame (2), its characterized in that: the supporting frame (2) comprises a mounting base plate (3) and an overturning support plate (4), three side edges of the upper surface of the overturning support plate (4) are integrally formed to be provided with vertical upward baffles (8), the optical time domain reflectometer (1) is arranged on the upper surface of the overturning support plate (4), the three baffles (8) are tightly attached to the side wall of the optical time domain reflectometer (1), a heat dissipation notch (10) is formed in the surface of the overturning support plate (4), the mounting base plate (3) is an I-shaped support plate body, one side of the upper surface of the mounting base plate (3) is provided with a pair of hinge seats (5), the lower surface of the overturning support plate (4) is provided with a pair of hinge lugs (51), the two hinge lugs (51) are respectively connected with the two hinge seats (5) through bolt and nut assemblies (6), and four end parts of the mounting base plate (3) are respectively provided with adsorption devices (11), the adsorption device (11) comprises a sucker seat (12), a sucker (13), a pull rod (14), a poking lug (15) and a reset spring (16), the sucker seat (12) is a cylinder integrally formed with the mounting base plate (3), the sucker (13) is arranged at the lower port of the inner cavity of the sucker seat (12), the pull rod (14) is connected to the upper end of the sucker (13), the upper end of the pull rod (14) penetrates through the top of the sucker seat (12), the poking lug (15) is hinged to the upper end of the pull rod (14), the reset spring (16) is connected between the upper end of the sucker (13) and the top wall of the inner cavity of the sucker seat (12), and the reset spring (16) is sleeved outside the pull rod (14);
one side that articulated seat (5) was kept away from to mounting plate (3) upper surface is equipped with a pair of support column (7), the upper end of support column (7) and the lower surface contact laminating of upset extension board (4), the top of sucking disc (13) is provided with annular U-shaped support (17), the confession has in the middle of U-shaped support (17) the cavity space that pull rod (14) passed, the open end of U-shaped support (17) is fixed the inner wall of sucking disc seat (12), reset spring (16) are located the top of U-shaped support (17), the upper end of U-shaped support (17) is provided with first inlet port (18), U-shaped support (17) are close to the lateral wall in cavity space is provided with one or more elastic cap (19), elastic cap (19) with sealing connection forms the plenum space between the lateral wall of U-shaped support, the plenum space corresponds the inside wall upper end of U-shaped support (17) is provided with second inlet port (20) ) The inflation space corresponds the inside wall lower extreme of U-shaped support is provided with first venthole (21), first venthole (21) is connected with the one end of breather pipe (22), pull rod (14) are close to the bottom position and are provided with elastic sealing ring (23), support column (7) are including the hollow cylinder of injecing seal space (25), be provided with I-shaped closing plate (24) in the hollow cylinder, the one end of I-shaped closing plate (24) can be in sealed lift in seal space (25), the other end of I-shaped closing plate (24) is located the top of hollow cylinder, built-in to have inverted L type passageway (26) in I-shaped closing plate (24), inverted L type passageway (26) one end with seal space (25) intercommunication, the other end of inverted L type passageway (26) is located the lateral wall of the other end of I-shaped closing plate (24) and has sealing cap (30), the lower end part of the hollow cylinder is provided with a slotted hole for accommodating a one-way valve (28), the slotted hole is communicated with a third air inlet (27), the other end of the vent pipe (22) is connected with the third air inlet (27), and the vent pipe (22) is positioned inside the mounting bottom plate (3).
2. The support structure for an optical time domain reflectometer for detection of optical communication fibers as claimed in claim 1, wherein: the upper end of the baffle (8) is an inward-bent hook part (81), and the hook part (81) is buckled with the upper surface of the optical time domain reflector (1).
3. The support structure for an optical time domain reflectometer for optical communication fiber detection as claimed in claim 1, wherein: the outer wall spiro union of following baffle (8) has a stop screw (9), and the inner of stop screw (9) is provided with elastic rubber piece (91), and the lateral wall of optical time domain reflectometer (1) is hugged closely to elastic rubber piece (91), and the outer end of stop screw (9) is provided with dials the commentaries on classics ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948464.0A CN112066179B (en) | 2020-09-10 | 2020-09-10 | Supporting structure for optical time domain reflectometer for communication optical fiber detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948464.0A CN112066179B (en) | 2020-09-10 | 2020-09-10 | Supporting structure for optical time domain reflectometer for communication optical fiber detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112066179A CN112066179A (en) | 2020-12-11 |
| CN112066179B true CN112066179B (en) | 2022-05-27 |
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ID=73663592
Family Applications (1)
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| US9624963B2 (en) * | 2012-11-19 | 2017-04-18 | Zhongshan Taili Household Products Manufacturing Co., Ltd. | Vacuum suction cup having bowl-shaped framework |
| CN207034551U (en) * | 2017-07-14 | 2018-02-23 | 一诺仪器（中国）有限公司 | A kind of optical time domain reflectometer supporting construction and optical time domain reflectometer |
| CN107218491B (en) * | 2017-07-14 | 2022-10-11 | 一诺仪器（中国）有限公司 | Supporting structure for optical time domain reflectometer and optical time domain reflectometer |
| CN209120184U (en) * | 2018-09-25 | 2019-07-16 | 深圳艾欧信科技有限公司 | A kind of hand-held optical time domain reflectometer |
| CN211151959U (en) * | 2019-12-17 | 2020-07-31 | 海泰伲克（天津）实业有限公司 | Optical time domain reflectometer for optical cable line characteristic detection |
| CN211018350U (en) * | 2019-12-30 | 2020-07-14 | 深圳市正宏泰塑胶电子有限公司 | NFC automatic identification wireless quick charger |
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Effective date of registration: 20220511 Address after: 518000 Sumitomo optical fiber Park, hi tech North District, Nanshan District, Shenzhen City, Guangdong Province Applicant after: SEFC OPTICAL FIBER AND CABLE (SHENZHEN) CO.,LTD. Address before: 450000 No.21 Mianfang East Road, Erqi District, Zhengzhou City, Henan Province Applicant before: Guo Tianqiang |
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