CN213933060U - Dust-proof device for cable television optical fiber testing instrument - Google Patents
Dust-proof device for cable television optical fiber testing instrument Download PDFInfo
- Publication number
- CN213933060U CN213933060U CN202022379465.6U CN202022379465U CN213933060U CN 213933060 U CN213933060 U CN 213933060U CN 202022379465 U CN202022379465 U CN 202022379465U CN 213933060 U CN213933060 U CN 213933060U
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- CN
- China
- Prior art keywords
- fixedly connected
- tester
- optical fiber
- cable television
- test instrument
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 239000013307 optical fiber Substances 0.000 title claims abstract description 29
- 239000000428 dust Substances 0.000 claims abstract description 23
- 238000013016 damping Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000000835 fiber Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The utility model belongs to the optical fiber detection field, concretely relates to cable TV optical fiber test instrument dust keeper, the tester comprises a tester, the inside fixedly connected with damping axle of tester, the outside of damping axle is rotated and is connected with the axle sleeve, the right-hand member fixedly connected with test head of axle sleeve, the right-hand member joint of test head has dustproof cap, the fixed orifices has been seted up to the inside of dustproof cap, the inside of fixed orifices is provided with the spring, the right-hand member fixedly connected with dead lever of spring, the draw-in groove has been seted up on the tester. The utility model discloses an add in the inside of tester and establish damping axle, axle sleeve and dustproof cap isotructure, when need not using, can take in the inside of tester through damping axle and axle sleeve cooperation, fix the outside at the tester with dustproof cap in the income to can avoid the inside entering dust and debris of gauge head when not using.
Description
Technical Field
The utility model relates to an optical fiber detection technical field specifically is a cable TV optical fiber test instrument dust keeper.
Background
The optical fiber test comprises a single-mode optical fiber test and a multi-mode optical fiber test, and the optical fiber test mainly aims to ensure the quality of system connection, reduce fault factors and find out fault points of optical fibers when faults occur, and after the cable television optical fibers are installed, the installed optical fibers need to be detected, and an optical fiber test instrument needs to be used.
When the optical fiber testing instrument in the prior art is used outdoors, dust and other impurities are easy to enter the testing head connected with the optical fiber, the detection precision of the optical testing instrument can be caused, the optical fiber of the cable television cannot be found when the optical fiber testing instrument is used, the optical fiber testing instrument is particularly sensitive to external light source perception during detection, and the detection result can be influenced by the fact that the external optical fiber is too strong, so that the data is inaccurate. Accordingly, there is a need for improvements in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cable TV optical fiber test instrument dust keeper has solved the inside easy problem that gets into dust and external optic fibre influence the test result easily of test head.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cable TV optical fiber test instrument dust keeper, includes the tester, the inside fixedly connected with damping axle of tester, the outside of damping axle is rotated and is connected with the axle sleeve, the right-hand member fixedly connected with test head of axle sleeve, the right-hand member joint of test head has dustproof cap, the fixed orifices has been seted up to the inside of dustproof cap, the inside of fixed orifices is provided with the spring, the right-hand member fixedly connected with dead lever of spring, the draw-in groove has been seted up on the tester, the inside of draw-in groove with the outside joint of dead lever, the upper end fixedly connected with of tester articulates frame one, the inboard of articulated frame one articulates there is light screen one, the right-hand member fixedly connected with of light screen one articulates frame two, the inboard of articulated frame two articulates there is light screen.
Preferably, the inside of the fixing hole is fixedly connected with a limiting ring, and the inside of the limiting ring is connected with the outer side of the fixing rod in a sliding manner.
Preferably, the lower end of the first shading plate is fixedly connected with a first rubber block, a supporting groove is formed in the tester, and the inside of the supporting groove is in contact connection with the outer side of the first rubber block.
Preferably, the lower end of the second light shielding plate is fixedly connected with a second rubber block, and the lower end of the second rubber block is in contact connection with the upper end of the tester.
Preferably, the outer side of the dust cap is fixedly connected with a spring piece, the lower end of the spring piece is fixedly connected with a clamping block, the test head is provided with a connecting groove, and the outer side of the clamping block is clamped with the connecting groove.
Preferably, the number of the elastic pieces is two, and the two elastic pieces are symmetrically distributed at the upper end and the lower end of the dustproof cap.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses an add in the inside of tester and establish damping axle, axle sleeve and dustproof cap isotructure, when need not using, can take in the inside of tester through damping axle and axle sleeve cooperation, fix the outside at the tester with dustproof cap in the income to can avoid the inside entering dust and debris of gauge head when not using.
2. The utility model discloses an add in the upper end of tester and establish hinge frame one, light screen one and light screen class scheduling structure, can overturn light screen one and light screen two when using and come, shelter from the junction of test head and optic fibre to can avoid external optic fibre to exert an influence to the test result.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of fig. 1 of the present invention;
fig. 3 is a left side view of fig. 1 of the present invention;
fig. 4 is an enlarged view of the structure of the part a in fig. 1 of the present invention.
In the figure: 1. a tester; 2. a damping shaft; 3. a shaft sleeve; 4. a test head; 5. a dust cap; 6. a fixing hole; 7. a spring; 8. fixing the rod; 9. a card slot; 10. a limiting ring; 11. a first hinge frame; 12. a first shading plate; 13. a second hinge frame; 14. a second shading plate; 15. a first rubber block; 16. a support groove; 17. a second rubber block; 18. a spring plate; 19. a clamping block; 20. and connecting the grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Please refer to fig. 1-4, a dust-proof device for a cable television optical fiber testing instrument, which comprises a tester 1, wherein a damping shaft 2 is fixedly connected inside the tester 1, a shaft sleeve 3 is rotatably connected outside the damping shaft 2, a testing head 4 is fixedly connected at the right end of the shaft sleeve 3, a dust cap 5 is clamped at the right end of the testing head 4, the dust cap 5 can block dust and other impurities from entering the testing head 4, a fixing hole 6 is formed inside the dust cap 5, a spring 7 is arranged inside the fixing hole 6, a fixing rod 8 is fixedly connected at the right end of the spring 7, a clamping groove 9 is formed in the tester 1, the inside of the clamping groove 9 is clamped with the outside of the fixing rod 8, a first hinge frame 11 is fixedly connected at the upper end of the tester 1, the inner side of the first hinge frame 11 is hinged with a first light screen 12, a second hinge frame 13 is fixedly connected at the right end of the first hinge frame 12, and a second light screen 14 is hinged at the inner side of the second hinge frame 13.
Referring to fig. 1, a limiting ring 10 is fixedly connected to the inside of the fixing hole 6, the inside of the limiting ring 10 is slidably connected to the outside of the fixing rod 8, and the limiting ring 10 can prevent the fixing rod 8 from popping out of the inside of the fixing hole 6.
Referring to fig. 3, the lower end of the first light shielding plate 12 is fixedly connected with a first rubber block 15, the tester 1 is provided with a supporting groove 16, the inside of the supporting groove 16 is in contact connection with the outer side of the first rubber block 15, and the first rubber block 15 and the supporting groove 16 can prevent the first light shielding plate 12 from overturning when not in use.
Referring to fig. 1, the lower end of the second light shielding plate 14 is fixedly connected with a second rubber block 17, the lower end of the second rubber block 17 is in contact connection with the upper end of the tester 1, and the second rubber block 17 supports the second light shielding plate 14.
Referring to fig. 4, an elastic sheet 18 is fixedly connected to an outer side of the dust cap 5, a fixture block 19 is fixedly connected to a lower end of the elastic sheet 18, a connection groove 20 is formed in the test head 4, an outer side of the fixture block 19 is clamped with an inner portion of the connection groove 20, the elastic sheet 18 has certain elasticity, and can elastically deform during connection, so that the fixture block 19 is pressed into the connection groove 20.
Referring to fig. 1, the number of the elastic pieces 18 is two, the two elastic pieces 18 are symmetrically distributed at the upper end and the lower end of the dust cap 5, and the two elastic pieces 18 can fix the dust cap 5 more firmly.
The utility model discloses the concrete implementation process as follows: when using, press dead lever 8, make dead lever 8 break away from the inside of draw-in groove 9, then overturn out test head 4, will prevent dust cap 5 and take off, turn over 180 with light screen 12 after taking off dust cap 5, make light screen 12 be located the top of test head 4, shelter from the light of test head 4 top, then put down light screen two 14, shelter from the light of the side of test head 4 side, can connect optic fibre after the completion of sheltering from, detect optic fibre, cover dust cap 5 in the outside of test head 4 after the test finishes, make the inside that fixture block 19 joint got into spread groove 20, make dust cap 5 fix in the outside of test head 4, overturn test head 4 into the inside of tester 1 after having fixed dust cap 5, make dead lever 8 the inside that the joint entered into draw-in groove 9 under the spring action of spring 7.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a cable TV optical fiber test instrument dust keeper, includes tester (1), its characterized in that: the inner part of the tester (1) is fixedly connected with a damping shaft (2), the outer side of the damping shaft (2) is rotatably connected with a shaft sleeve (3), the right end of the shaft sleeve (3) is fixedly connected with a testing head (4), the right end of the testing head (4) is clamped with a dustproof cap (5), a fixed hole (6) is formed in the dustproof cap (5), a spring (7) is arranged in the fixed hole (6), a fixed rod (8) is fixedly connected with the right end of the spring (7), a clamping groove (9) is formed in the tester (1), the inner part of the clamping groove (9) is clamped with the outer side of the fixed rod (8), the upper end of the tester (1) is fixedly connected with a first hinged frame (11), the inner side of the first hinged frame (11) is hinged with a first light screen (12), and the right end of the first light screen (12) is fixedly connected with a second hinged frame (13), the inner side of the second hinge frame (13) is hinged with a second light screen (14).
2. The cable television optical fiber test instrument dustproof device according to claim 1, characterized in that: the inside fixedly connected with spacing ring (10) of fixed orifices (6), the inside of spacing ring (10) with the outside sliding connection of dead lever (8).
3. The cable television optical fiber test instrument dustproof device according to claim 1, characterized in that: the lower end of the first shading plate (12) is fixedly connected with a first rubber block (15), a supporting groove (16) is formed in the tester (1), and the inside of the supporting groove (16) is in contact connection with the outer side of the first rubber block (15).
4. The cable television optical fiber test instrument dustproof device according to claim 1, characterized in that: the lower end of the second light shielding plate (14) is fixedly connected with a second rubber block (17), and the lower end of the second rubber block (17) is in contact connection with the upper end of the tester (1).
5. The cable television optical fiber test instrument dustproof device according to claim 1, characterized in that: the outer side of the dustproof cap (5) is fixedly connected with an elastic sheet (18), the lower end of the elastic sheet (18) is fixedly connected with a clamping block (19), a connecting groove (20) is formed in the test head (4), and the outer side of the clamping block (19) is connected with the inside of the connecting groove (20) in a clamping mode.
6. The cable television optical fiber test instrument dustproof device according to claim 5, wherein: the number of the elastic pieces (18) is two, and the two elastic pieces (18) are symmetrically distributed at the upper end and the lower end of the dustproof cap (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022379465.6U CN213933060U (en) | 2020-10-23 | 2020-10-23 | Dust-proof device for cable television optical fiber testing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022379465.6U CN213933060U (en) | 2020-10-23 | 2020-10-23 | Dust-proof device for cable television optical fiber testing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213933060U true CN213933060U (en) | 2021-08-10 |
Family
ID=77225865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022379465.6U Expired - Fee Related CN213933060U (en) | 2020-10-23 | 2020-10-23 | Dust-proof device for cable television optical fiber testing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213933060U (en) |
-
2020
- 2020-10-23 CN CN202022379465.6U patent/CN213933060U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |