CN210155362U - Rotary buckle type SC type optical cable connector and adapter assembly thereof - Google Patents

Abstract

The utility model provides a rotary buckle type SC type optical cable connector and an adapter component thereof, which comprises an SC outer frame, an SC inner frame, a lock pin with a tail handle, a spring, a stop seat, a horn ring, a circular ring, a tail sleeve and a rotary push-pull rod; the top of the SC inner frame is provided with an inclined boss and a raised column, and the SC inner frame is provided with an arc-shaped hole matched with the arc-shaped clamping block on the stop seat; the SC outer frame is provided with a first groove matched with the protruding column, the first groove is provided with a positioning groove for switching and clamping the protruding block, the front end of the SC outer frame is matched with the inclined boss, the rear end of the SC outer frame is provided with a second groove, and the front end of the SC outer frame is provided with a buckle; the rotary push-pull rod is provided with a clamping block matched with the second groove. The utility model locks the optical cable connector through a special self-locking structure, prevents the connector from being pulled out by mistake, ensures that the connector is not easy to fall off from the adapter, ensures the connection reliability of the connector and the adapter, and ensures the smooth connection of network signals; because the connector is difficult to drop, the light transmitted by the optical cable is prevented from hurting eyes, and the use safety of the connector is improved.

Description

Rotary buckle type SC type optical cable connector and adapter assembly thereof

Technical Field

The utility model relates to an optical cable connector and adapter technical field especially relate to a detain formula SC type optical cable connector soon and adapter subassembly thereof.

Background

With the rapid development of the optical communication industry, products such as conventional optical patch cords and optical connectors are widely used, and particularly, the demand for SC-type optical fiber connectors is greatly increased in the connection application of telecommunication rooms and data center cabinets and in the connection application of optical modem ends of FTTH fiber to the home.

The existing SC type optical cable connector is connected with the adapter by a bayonet structure, and the SC type optical cable connector can be easily pulled out due to the arrangement of the bayonet structure when a data center case is used, so that the connection interruption caused by mistaken pulling cannot be prevented, and the loss is caused. For another example, if the optical modem is connected for a long time or is accidentally unplugged, the SC-type optical cable connector is easily detached, which causes the connector end surface to be contaminated, and if the connector end surface which is not wiped again is directly plugged back by a non-professional person, the contamination of the end surface will seriously affect the network signal; or a non-professional operator carelessly faces the optical fiber head to the eyes, so that error injury is easily caused, because the optical fiber transmits laser with 1310nm or 1550nm wavelength mostly, and the light with the wavelength belongs to infrared light and is invisible to naked eyes. Therefore, the existing SC-type optical cable connector cannot effectively prevent the accidental pulling, the network signal is affected due to the dirty end surface after the connector falls off, and the optical fiber head of the connector after the connector falls off is easy to damage eyes.

SUMMERY OF THE UTILITY MODEL

The utility model provides a formula SC type optical cable connector is detained soon and adapter subassembly thereof pins the optical cable connector through peculiar self-locking structure, prevents that the connector from being pulled out by the mistake, ensures the connection reliability of connector and adapter, ensures the smooth and easy connection of network signal, improves connector safety in utilization.

The utility model discloses a solve the technical scheme that above-mentioned problem adopted and do:

the utility model provides a rotary buckle type SC type optical cable connector, which comprises an SC outer frame, an SC inner frame, a tail sleeve and a rotary push-pull rod, wherein a lock pin with a tail handle, a spring, a stop seat, a horn ring and a circular ring are arranged between the SC inner frame and the tail sleeve, and an optical cable is accessed from the tail sleeve; the top of the SC inner frame is provided with an inclined boss and a raised column, the front end and the rear end of the raised column are provided with convex blocks, and two side walls of the rear end of the SC inner frame are provided with a pair of arc holes matched with a pair of arc-shaped clamping blocks on the stopping seat; a first groove matched with the protruding column is formed in the top of the middle of the SC outer frame, a pair of positioning grooves for switching and clamping the protruding block are formed in the front edge and the rear edge of the first groove respectively, the front end of the SC outer frame is matched with the inclined boss, a pair of second grooves are formed in two side walls of the rear end of the SC outer frame, and a pair of buckles are formed in two side walls of the front end of the SC outer frame; a pair of clamping blocks matched with the second grooves are arranged on the outer sides of the rods on the two sides of the front end of the rotary push-pull rod, and a handle is arranged at the rear end of the rotary push-pull rod.

Furthermore, the front end of the insertion core with the tail handle penetrates into the rear end of the SC inner frame, the rear end of the insertion core with the tail handle penetrates through the front end of the stop seat after penetrating through the spring, the rear end of the stop seat is clamped with the front end of the horn ring, and the rear end of the horn ring penetrates through the circular ring.

Further, the outer surface of the rear end of the stopper seat is provided with a friction surface arranged by the convex block.

Furthermore, the upper wall and the lower wall of the rear end of the SC outer frame are provided with arc bidirectional arrow rotary marks.

Furthermore, a first U-shaped groove is formed in the front end of the SC outer frame, and a second U-shaped groove is formed in the front end of the SC inner frame.

Furthermore, the rotary push-pull rod is in a transverse U shape, and two side rods at the front end are connected with the handle at the rear end through inclined rods at two sides.

Furthermore, a dustproof cap penetrates through the SC outer frame and is plugged into the front end of the SC inner frame.

The utility model also provides an adapter subassembly of formula SC type optical cable connector is detained to spiral, including adapter shell, sleeve pipe mounting, sleeve pipe, U-shaped bolt, metal shrapnel, adapter dust cap, the both sides of adapter shell both ends bayonet socket respectively are equipped with a pair of calorie of hole, the top of adapter shell both ends bayonet socket respectively is equipped with the third U-shaped groove, the middle of the top of adapter shell is equipped with the bolt hole, the middle of adapter shell both sides inner wall is equipped with a pair of trip, the both ends bayonet socket diagonal angle position of adapter shell upper and lower inner wall respectively is equipped with the ka tai; the sleeve fixing piece and the sleeve are respectively inserted into the front bayonet and the rear bayonet of the adapter shell, the sleeve is inserted into the built-in sleeve fixing piece in the bayonet at the rear end of the adapter shell, and the U-shaped bolt is inserted into the bolt hole.

Furthermore, clamping blocks are arranged on two sides of the sleeve fixing piece, clamping hook holes are formed in the middle of the clamping blocks and matched with clamping hooks in the adapter shell, and U-shaped bolts are inserted into bolt grooves between the clamping blocks and the clamping hooks.

Furthermore, the clamping holes at two sides of the bayonets at two ends of the adapter shell are buckled with the buckles at two side walls at the front end of the SC outer frame; the end parts of the buckles on the two side walls of the front end of the SC outer frame are abutted against the clamping tables on the inner wall of the adapter shell; and third U-shaped grooves at the tops of bayonets at two ends of the adapter shell are matched with the raised columns at the tops of the SC inner frames.

The utility model has the advantages that: the utility model discloses a spiral-lock formula SC type optical cable connector locks the optical cable connector through peculiar self-locking structure, prevents that the connector from being pulled out by mistake for the connector is difficult for coming off from the adapter, and the maintenance cost of connector is low, and the connection reliability of guarantee connector and adapter, the smooth and easy connection of assurance network signal; because the connector is difficult to drop, the light transmitted by the optical cable is prevented from hurting eyes, and the use safety of the connector is improved.

Drawings

Fig. 1 is an exploded view of the rotary buckle type SC-type optical cable connector of the present invention;

fig. 2-1 and 2-2 are schematic diagrams of an assembly structure and a cross-sectional view of the screw-fastening type SC-type optical cable connector of the present invention;

fig. 3 is a schematic top view of an SC outer frame of the spin-buckle SC-type cable connector according to the present invention;

FIG. 4 is a schematic view of the bottom structure of the SC outer frame in the rotary buckle type SC type optical cable connector of the present invention

Fig. 5 is a schematic structural view of an SC inner frame in the spin-buckle SC-type optical cable connector according to the present invention;

fig. 6 is a schematic structural view of a stop seat in the turn-buckle type SC-shaped optical cable connector of the present invention;

fig. 7 is a schematic structural view of a rotary push-pull rod in the rotary buckle type SC-type optical cable connector according to the present invention;

FIG. 8 is a schematic view of an adapter assembly of the screw-on SC type optical cable connector according to the present invention;

FIG. 9 is an exploded view of the adapter assembly of the screw-on SC type optical cable connector of the present invention;

FIG. 10 is a schematic view of an adapter housing of the adapter assembly of the twist-on SC type optical cable connector of the present invention;

FIG. 11 is a cross-sectional view of an adapter housing of the adapter assembly of the twist-on SC style fiber optic cable connector of the present invention;

fig. 12 is a schematic structural view of a sleeve fixing member in an adapter assembly of the screw-on type SC optical cable connector according to the present invention;

FIG. 13 is a schematic structural view of an adapter dust cap in the adapter assembly of the twist-and-snap SC cable connector according to the present invention;

FIG. 14 is a view illustrating the assembly process of the screw-on SC type optical cable connector and the adapter assembly according to the present invention;

fig. 15 is a first operating state diagram of the screw-on type SC optical cable connector and adapter assembly of the present invention;

fig. 16 is a second operating state diagram of the screw-on type SC optical cable connector and adapter assembly according to the present invention;

fig. 17 is a schematic view of an assembly structure of the screw-fastening type SC-shaped optical cable connector and the adapter assembly according to the present invention;

fig. 18 is a sectional view of the assembly structure of the screw-on type SC optical cable connector and the adapter assembly according to the present invention.

Detailed Description

The following embodiments of the present invention are specifically explained with reference to the accompanying drawings, which are used for reference and illustration only and do not limit the scope of the present invention.

As shown in fig. 1-7, the present embodiment provides a twist-and-snap type SC-type optical cable connector 100, which includes an SC outer frame 2, an SC inner frame 3, a tail sleeve 9, and a rotary push-pull rod 10, wherein a ferrule 4 with a tail handle, a spring 5, a stop seat 6, a horn ring 7, and a ring 8 are disposed between the SC inner frame 3 and the tail sleeve 9, and an optical cable 11 is inserted from the tail sleeve 9; the top of the SC inner frame 3 is provided with an inclined boss 301 and a raised column 302, the front end and the rear end of the raised column 302 are provided with convex blocks 303, and two side walls of the rear end of the SC inner frame 3 are provided with a pair of arc holes 304 matched with a pair of arc clamping blocks 601 on the stop seat 6; a first groove 202 matched with the protruding column 302 is formed in the top of the middle of the SC outer frame 2, a pair of positioning grooves 202a and 202b for switching and clamping the protruding block 303 are respectively formed in the front edge and the rear edge of the first groove 202, the front end of the SC outer frame 2 is matched with the inclined boss 301, a pair of second grooves 203 are formed in two side walls of the rear end of the SC outer frame 2, and a pair of buckles 201 are formed in two side walls of the front end of the SC outer frame 2; a pair of clamping blocks 1001 matched with the second grooves 203 are arranged on the outer sides of the two side rods at the front end of the rotary push-pull rod 10, and a handle 1002 is arranged at the rear end of the rotary push-pull rod 10. In the present embodiment, as shown in fig. 1, the front end of the stem-with-tail ferrule 4 penetrates the rear end of the SC inner frame 3, the rear end of the stem-with-tail ferrule 4 penetrates the spring 5 and then penetrates the front end of the stopper seat 6, the rear end of the stopper seat 6 is engaged with the front end of the horn ring 7, and the rear end of the horn ring 7 penetrates the ring 9.

As shown in fig. 3-5, two groups of positioning grooves 202a,202b are disposed at the first groove 202 of the SC outer frame 2, and are engraved with a "0, 1" mark, where "0" indicates open, "1" indicates closed, and is matched with the protrusion 303 of the SC inner frame 3, so that when the SC outer frame 2 is rotated, the SC outer frame 2 can be fixed at a certain position and is prevented from self-rotating and self-locking; symmetrical holes are designed at the second groove 203 of the SC outer frame 2 and are matched with the hooks 1001 of the rotary push-pull rod 10, so that the SC outer frame 2 is connected and the rotary push-pull rod 10 is fixed; as shown in fig. 4, the upper and lower walls of the rear end of the SC outer frame 2 are provided with arc-shaped bidirectional arrow rotary marks 204, the rotary marks 204 are provided with opening and closing direction marks, the connector is locked by clockwise rotation of 30 degrees, and the connection is released by counterclockwise rotation of 30 degrees; as shown in fig. 4, a first U-shaped groove 205 is formed at the front end of the SC outer frame 2, and when the SC outer frame 2 is assembled to the SC inner frame 3, the first U-shaped groove 205 can be slightly deformed, so that the assembly is easier.

As shown in fig. 5, the inclined boss 301 of the SC inner frame 3 ensures that the SC outer frame 2 does not fall off after being assembled in place; the raised posts 302 mate with the 1403-slots of the adapter housing 14 for guiding and positioning the connector when inserted into the adapter; the bumps 303 at the front and rear ends of the raised columns 302 fix the rotation position of the SC outer frame 2, so that self-locking is realized; the symmetrical arc-shaped holes 304 are in snap fit with the arc-shaped clamping blocks 601 of the stopping seat 6, so that the SC inner frame 3 is connected with the stopping seat 6 without being separated; a pair of second U-shaped grooves 305 are formed at the front end of the SC inner frame 3, so that the SC inner frame 3 is slightly deformed when the stopper base 6 is mounted, and thus the assembly is easier.

In this embodiment, as shown in fig. 6, the outer surface of the rear end of the stopper seat 6 is provided with a friction surface 602 arranged by a convex block.

In this embodiment, as shown in fig. 7, the rotary push-pull rod 10 is in a transverse U shape, and two side rods at the front end are connected with a handle 1002 at the rear end through two side diagonal rods. The fixture block 1001 is matched with the second groove 203 of the SC outer frame 2; the rear handle 1002 mainly serves to rotate the SC outer frame 2, and when the turn-buckle type SC connector is inserted into the adapter and the handle is held, the connector can be locked by rotating the handle clockwise by 30 degrees, and the connector can be released from the adapter by rotating the handle counterclockwise by 30 degrees.

In this embodiment, as shown in fig. 1, a dust cap 1 is inserted into the front end of the SC inner frame 3 through the SC outer frame 2.

As shown in fig. 8-13, the present invention further provides an adapter assembly 12 of the twist-buckle SC-type optical cable connector, which includes an adapter housing 14, a sleeve fixing member 13, a sleeve 15, a U-shaped plug 16, a metal spring 17, and an adapter dust cap 18, wherein a pair of locking holes 1401 are respectively disposed on two sides of the locking holes at two ends of the adapter housing 14, a third U-shaped groove 1403 is respectively disposed on the top of the locking holes at two ends of the adapter housing 14, a plug hole 1402 is disposed in the middle of the top of the adapter housing 14, a pair of hooks 1404 are disposed in the middle of the inner walls at two sides of the adapter housing 14, and locking platforms 1405 are respectively disposed at the opposite angle positions of the locking holes; the sleeve fixing piece 13 and the sleeve 15 are respectively inserted into the front and rear end bayonets of the adapter housing 14, the sleeve 15 is inserted into the built-in sleeve fixing piece in the rear end bayonet of the adapter housing 14, and the U-shaped pin 16 is inserted into the pin hole 1402.

In this embodiment, as shown in fig. 12, the sleeve fixing member 13 is provided with two locking blocks 1301 at two sides thereof, a locking hook hole is provided in the middle of the locking block 1301 to match with a locking hook 1404 in the adapter housing 14, and the U-shaped bolt 16 is inserted into a bolt slot between the locking block 1301 and the locking hook 1404.

As shown in fig. 8 and 9, when the adapter 12 is assembled, the ferrule 15 is fitted into the ferrule holding member 13, assembled into the adapter housing 14, and inserted into the pin hole 1402 with the U-shaped pin 16, the U-shaped pin 16 catches the catch block 1301 of the ferrule holding member 13 and the catch 1404 of the adapter housing 14, so that the ferrule holding member 13 and the ferrule 15 do not fall off.

In this embodiment, the two side fastening holes 1401 of the two end fastening ports of the adapter housing 14 are fastened with the fastening buckles 201 of the two side walls of the front end of the SC outer frame 2 to fix the locking connector; the end parts of the buckles 201 on the two side walls of the front end of the SC outer frame 2 abut against the clamping platforms 1405 on the inner wall of the adapter shell 14; third U-shaped slots 1403 in the tops of the bayonets at the two ends of the adapter housing 14 mate with the raised posts 302 on the top of the SC inner frame 3.

As shown in fig. 13, the 18-adapter dust cap is provided with symmetrical bosses 1801 to clamp the clamp hole 1401 of the adapter housing 14 without disengagement; set up assembly round hole 1802, insert the sleeve fixing post on integral type adapter 12 both sides on, can prevent that the dust from getting into in the sleeve.

The utility model discloses fasten formula SC type optical cable connector 100 and adapter module 12's working process as follows:

as shown in fig. 14, the rear end handle 1002 is held to rotate the push-pull rod 10 counterclockwise by 30 degrees, the protrusion 303 of the SC inner frame 3 is just clipped into the first groove 202 of the SC outer frame 2, the SC outer frame 2 is fixed after being rotated to the "0" open position, and the protruding column 302 of the SC inner frame 3 is aligned with the third U-shaped groove 1403 of the adapter 12; the connector latch 201 is aligned with the latch 1405 of the adapter 12, and the turn-buckle SC connector can be inserted into the adapter 12, as shown in fig. 15; rotating the push-pull rod 1030 degrees clockwise, clamping the buckle 201 in the clamping hole 1401, clamping the connector and the adapter, locking the connector and the adapter, clamping the projection 303 in the first groove 202 just at the position of closing 1, as shown in fig. 16, clamping the projection 303 in the first groove 202 at the moment, and rotating the push-pull rod 10 only by applying a certain force; the connector cannot be pulled out under the condition that the rotary push-pull rod 10 is not rotated anticlockwise, and when the two side edges of the rotary push-pull rod 10 are pressed forcibly, the rotary push-pull rod 10 is taken down from the SC outer frame 2, so that the connector can be effectively prevented from being pulled out by mistake. This has just realized the self-locking function of the connector of the utility model.

As shown in fig. 17 and 18, another screw-on type SC connector 100 is inserted into the other side bayonet of the adapter 12, and the above operations are repeated to complete the mating of the two connectors, so that the optical signal can pass through smoothly.

When the connector is pulled out, the rotating push-pull rod 10 is assembled on the SC outer frame 2, the handle 1002 is held, the rotating push-pull rod 1030 degrees is rotated anticlockwise, meanwhile, the SC outer frame 2 is rotated 30 degrees anticlockwise, the buckle 201 is separated from the buckle hole 1401, and the rotating push-pull rod 10 is pulled backwards, so that the turnbuckle type SC-type connector can be pulled out of the adapter 12.

This patent is revolved knot formula SC type connector and is the same with conventional SC type connector, can be applied to FTTX and telecommunication room, data center, light cat end in a large number, and real connection safety is realized to the area lock connector, guarantees the smooth and easy connection of network signal. The rotary buckle type SC type connector and the adapter assembly are stable in work, safe in connection, high in working efficiency and simple in operation.

If modify above part, key structure, size etc. like SC frame 2, SC inside casing 3, rotatory push-pull rod 10, integral type adapter 12, nevertheless whole package assembly and principle are similar with the embodiment of the utility model shows, still regard as belonging to the protection scope of the utility model.

The utility model discloses also be applicable to like multiple SC type connectors such as hot melt formula quick connector and cold joint formula quick connector, if revise into the connector of other types, still regard as belonging to the utility model discloses a protection scope.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims (10)

1. The utility model provides a spiral knot formula SC type optical cable connector which characterized in that: the cable connector comprises an SC outer frame, an SC inner frame, a tail sleeve and a rotary push-pull rod, wherein a lock pin with a tail handle, a spring, a stop seat, a horn ring and a circular ring are arranged between the SC inner frame and the tail sleeve, and an optical cable is connected from the tail sleeve; the top of the SC inner frame is provided with an inclined boss and a raised column, the front end and the rear end of the raised column are provided with convex blocks, and two side walls of the rear end of the SC inner frame are provided with a pair of arc holes matched with a pair of arc-shaped clamping blocks on the stopping seat; a first groove matched with the protruding column is formed in the top of the middle of the SC outer frame, a pair of positioning grooves for switching and clamping the protruding block are formed in the front edge and the rear edge of the first groove respectively, the front end of the SC outer frame is matched with the inclined boss, a pair of second grooves are formed in two side walls of the rear end of the SC outer frame, and a pair of buckles are formed in two side walls of the front end of the SC outer frame; a pair of clamping blocks matched with the second grooves are arranged on the outer sides of the rods on the two sides of the front end of the rotary push-pull rod, and a handle is arranged at the rear end of the rotary push-pull rod.

2. The twist-and-snap SC-type optical cable connector of claim 1, wherein:

the front end of the insertion core with the tail handle penetrates into the rear end of the SC inner frame, the rear end of the insertion core with the tail handle penetrates through the spring and then penetrates into the front end of the stop seat, the rear end of the stop seat is clamped with the front end of the horn ring, and the rear end of the horn ring penetrates through the circular ring.

3. The twist-and-snap SC-type optical cable connector of claim 2, wherein:

the outer surface of the rear end of the stop seat is provided with friction surfaces which are distributed by the convex blocks.

4. The twist-and-snap SC-type optical cable connector of claim 1, wherein:

and arc bidirectional arrow rotating marks are arranged on the upper wall and the lower wall of the rear end of the SC outer frame.

5. The twist-and-snap SC-type optical cable connector of claim 1, wherein:

and a first U-shaped groove is formed at the front end of the SC outer frame, and a second U-shaped groove is formed at the front end of the SC inner frame.

6. The twist-and-snap SC-type optical cable connector of claim 1, wherein:

the rotary push-pull rod is in a transverse U shape, and two side rods at the front end are connected with the handle at the rear end through inclined rods at two sides.

7. The twist-and-snap SC-type optical cable connector of claim 1, wherein:

and the dustproof cap 1 penetrates through the SC outer frame and is plugged into the front end of the SC inner frame.

8. An adapter assembly for a twist-on SC type optical cable connector according to claim 1, wherein: the adapter comprises an adapter shell, a sleeve fixing piece, a sleeve, a U-shaped bolt, a metal elastic sheet and an adapter dust cap, wherein a pair of clamping holes are respectively formed in two sides of bayonets at two ends of the adapter shell; the sleeve fixing piece and the sleeve are respectively inserted into the front bayonet and the rear bayonet of the adapter shell, the sleeve is inserted into the built-in sleeve fixing piece in the bayonet at the rear end of the adapter shell, and the U-shaped bolt is inserted into the bolt hole.

9. The adapter assembly for a twist-on SC-type fiber optic cable connector as in claim 8, wherein: the sleeve fixing piece is provided with clamping blocks on two sides, a clamping hook hole is formed in the middle of each clamping block and matched with a clamping hook in the adapter shell, and the U-shaped bolt is inserted into a bolt groove between each clamping block and the corresponding clamping hook.

10. The adapter assembly for a twist-on SC-type fiber optic cable connector as in claim 8, wherein: two side clamping holes of the bayonets at the two ends of the adapter shell are buckled with the buckles on the two side walls of the front end of the SC outer frame; the end parts of the buckles on the two side walls of the front end of the SC outer frame are abutted against the clamping tables on the inner wall of the adapter shell; and third U-shaped grooves at the tops of bayonets at two ends of the adapter shell are matched with the raised columns at the tops of the SC inner frames.

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