Interlock protection mechanism of quick-open explosion-proof fusion splicer
A technology of interlock protection and fusion splicing machine, applied in the direction of electric switch, light guide, optics, etc., can solve the problems of bloated interlock protection mechanism, poor practicability, complicated mechanism, etc., and achieve enhanced operation sequence, simple operation, and protection of personal and property safe effect
Active Publication Date: 2017-09-12
南京迪威普光电技术股份有限公司
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Problems solved by technology
However, most of the interlock protection mechanisms of existing explosion-proof fusion splicers are bloated, complicated and unreliable, and poor in practicability.
Method used
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[0040] Such as Figure 1-Figure 5 As shown, the protection base 5 is assembled with an explosion-proof shaft sleeve 11, a limit tenon 6, and an adjustment screw 3. The cam shaft 7 is inserted into the explosion-proof shaft sleeve 11, and the limit lock 10 and the push spring 12 are installed on the cam shaft 7. On, the protective upper cover 4 is covered on the protective base 5 and fixed with the first screw 2 . Knob 8 is fixed on the end of cam rotating shaft 7 with second screw 9. Before the quick lock lever 1 is inserted, the limit lock 10 is in the initial state under the action of the propelling spring 12. At this time, the rectangular groove of the limit lock 10 matches the rectangular feature at the end of the cam shaft 7, and the cam shaft 7 cannot rotate.
[0041] Such as Figure 6-Figure 8 As shown, when the quick lock lever 1 is inserted but not pushed forward, the T-shaped slot of the quick lock lever 1 can be inserted into the rectangular notch of the protectiv...
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The invention discloses a quick-open type interlocking protection mechanism for an anti-explosion fusion splicer. A rapid-lock shifting rod, a limiting lock and a cam rotary shaft that are matched mutually are utilized; the cam rotary shaft is locked by the limiting lock under an open state of the anti-explosion shell; when the anti-explosion shell is closed, the cam rotary shaft locked by the limiting lock is unlocked by the rapid-lock shifting rod; and therefore, power-on and power-off rotary knobs can only perform power-on and power-off actions only after the rapid-lock shifting rod carries out proper locking. The linkage protection of the interlocking protection mechanism is effective, reliable, simple in operation, and capable of stratifying the national standard requirements; meanwhile, the operation sequences of rapid-lock shifting rod inserting, pushing, opening, closing, pulling back and pulling out in the operation process are completely reinforced; the problem caused by operations without following the operation sequences is eliminated; and therefore, the problems existing in installation and application of the quick-open type interlocking protection mechanism for the anti-explosion fusion splicer in the environments with explosive gases and dust are solved fundamentally, so that the personal and property security is protected in the application occasions.
Description
technical field [0001] The invention relates to a protection device for optical connection equipment, in particular to an interlock protection mechanism for a quick-open explosion-proof fusion splicer that ensures safe use in an environment where flammable and explosive gases and dust exist. Background technique [0002] With the continuous development of optical fiber communication, optical fiber has been widely used in underground coal mines and other environments containing explosive gas and dust. However, due to the harsh environment of coal mines, there are often faults that the optical cable is damaged, and it needs to be repaired in time. [0003] The interlock protection mechanism is an extremely important part in the explosion-proof optical fiber fusion splicer. Its function is to allow the power supply of the fusion splicer to be turned on only when the explosion-proof casing is completely closed, which plays a role of safety guarantee. However, most of the interl...
Claims
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IPC IPC(8): H01H9/22G02B6/255
CPCG02B6/2553H01H9/22
Inventor 郝栋
Owner 南京迪威普光电技术股份有限公司