CN215264126U - Optical fiber loop device - Google Patents

Abstract

The utility model discloses an optical fiber loop device, which comprises a protective sleeve and an optical fiber loop device, wherein the protective sleeve comprises a protective sleeve main body, a tail cover and a locking ring, the protective sleeve main body is a tubular structure with openings at two ends, the tail cover is detachably arranged at one end of the protective sleeve main body, the locking ring is sleeved on the protective sleeve main body, and the locking ring can lock the protective sleeve main body on an optical fiber connecting seat at the equipment side; the optical fiber loop device is fixed in the protective sleeve main body and comprises at least one optical fiber and optical fiber loop connectors connected with two ends of the optical fiber, and the optical fiber loop connectors are located at one end, far away from the tail cover, of the protective sleeve main body. The utility model discloses an optical fiber circuit ware suitability is stronger, and the interface compatibility is stronger, and optical fiber circuit ware sets up protective sheath, lock ring, shield and dust cap, to its all-round sealed protection, can use in cold, wet and hot, illumination, sand and dust, the adverse circumstances of soaking etc..

Description

Optical fiber loop device

Technical Field

The utility model relates to an optical fiber stabilization transmission field especially relates to an optical fiber loop device.

Background

The optical fiber loop device is used for testing signal return in a system or a network system, and can detect potential abnormality in a network link. The optical fiber loop device in the market at present mainly aims at the use scene under the controllable environmental conditions such as indoor and the like, and can not be used under the severe weather conditions such as cold, damp heat, illumination, sand dust, water immersion and the like for a long time.

Because the optical fiber belongs to precision data transmission, the transmission quality of the optical fiber is easily damaged in a severe environment, and the data transmission is not good or cannot be carried out.

Therefore, there is a need to provide a new technical solution to achieve stable and long-term use of the optical fiber loop device in a harsh environment.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that exists among the prior art, the utility model provides a can stabilize the long-term optic fibre return circuit device that uses in adverse circumstances, concrete technical scheme is as follows:

an optical fiber loop device comprises

The protective sleeve comprises a protective sleeve main body, a tail cover and a locking ring, wherein the protective sleeve main body is of a cylindrical structure with openings at two ends, the tail cover is detachably mounted at one end of the protective sleeve main body, the locking ring is sleeved on the protective sleeve main body in a clamping mode, and the locking ring can lock the protective sleeve main body on an optical fiber connecting seat at the equipment side;

the optical fiber loop device is fixed in the protective sleeve main body and comprises at least one optical fiber and optical fiber loop connectors connected with two ends of the optical fiber, and the optical fiber loop connectors are located at one end, far away from the tail cover, of the protective sleeve main body.

As this patent an optical fiber circuit device's an preferred scheme, its characterized in that, the lock collar inner wall is provided with spacing ring and at least one circular arc groove, the spacing ring is close to the one end of lock collar, the circular arc groove is close to the other end of lock collar, the circular arc groove is followed the lock collar radially encircles and moves towards the spacing ring direction extends, spacing hole has been seted up to circular arc tank bottom portion, spacing hole site is in the lock collar is close to the one end of spacing ring.

As this patent an optical fiber circuit device's an preferred scheme, be provided with the bulge loop in the protective sheath main part, the bulge loop is located the one end that the protective sheath main part is close to the optical fiber circuit and connects, the bulge loop is close to the annular of optical fiber circuit joint one side and has seted up at least one recess, the direction of bulge loop is kept away from to the recess opening orientation.

As a preferred embodiment of the optical fiber loop device, the locking ring is sleeved on the convex ring of the protective sleeve main body, the limiting ring is limited on one side of the convex ring away from the groove, the arc groove corresponds to the groove, and the locking ring can rotate on the convex ring;

the optical fiber loop device is inserted on the optical fiber wiring seat, the optical fiber wiring seat is provided with a clamping protrusion, the locking ring is screwed on the optical fiber wiring seat, and the clamping protrusion is fixed in the limiting hole.

As a preferable solution of the optical fiber loop device of this patent, an external thread is disposed at an end of the protective sheath body away from the optical fiber loop connector;

the tail cover is one end open-ended tubular structure, the tail cover inner wall be provided with external screw thread assorted internal thread, tail cover threaded connection with the one end of protective sheath main part.

As a preferred scheme of the optical fiber loop device, the optical fiber loop device further comprises a dust cover, wherein the dust cover is provided with an accommodating cavity with an opening at one end, one end of the dust cover, which is close to the opening of the dust cover, is a connecting end, and a plurality of ribs are annularly arranged on the connecting end along the axis direction;

when the optical fiber loop device is not connected to the optical fiber wire holder at the equipment side, the connecting end is pressed at one end of the protective sleeve main body close to the optical fiber loop connector.

As a preferred embodiment of the optical fiber loop device of this patent, the outer diameter of the connecting end is smaller than the outer diameter of the dust cap, and the inner diameter of the protective sheath main body is smaller than the outer diameter of the dust cap.

As a preferable embodiment of the optical fiber loop device described in this patent, the optical fiber loop device further includes a dust cap, and when the optical fiber loop device is not connected to the optical fiber connection base on the equipment side, the dust cap is placed in the interface of the optical fiber loop connector, and the dust cap can prevent dust from falling in the interface of the optical fiber loop connector.

As an optimal solution of the optical fiber loop device of this patent, the inner diameter of the locking ring is not smaller than the outer diameter of the convex ring, the inner diameter of the limiting ring is smaller than the outer diameter of the convex ring, and the outer diameter of the convex ring is larger than the outer diameter of the protective sleeve body.

As this patent an optical fiber circuit device's a preferred scheme, annular equidistant interval is provided with a plurality of recesses on the bulge loop, the annular equidistant interval of lock ring inner wall is provided with a plurality of circular arc grooves, the recess with the circular arc groove is corresponding.

The utility model discloses an optical fiber circuit device has following one or more beneficial effect at least:

(1) the utility model discloses an optical fiber circuit device, its optical fiber circuit ware set up the protective sheath, and the protective sheath seals protection optical fiber circuit ware during the use, avoids optical fiber circuit ware and adverse circumstances direct contact such as cold, wet heat, illumination, sand and dust, soaking, protects the stable permanent use of optical fiber circuit ware, prolongs its life.

(2) The utility model discloses an optical fiber circuit device, its optical fiber circuit ware suitability is stronger, and for LC type optic fibre connector, the mode of push-and-pull grafting makes the use comparatively convenient, and the interface compatibility is stronger, can compatible fullAXS fiber connector.

(3) The optical fiber loop device of the utility model is provided with the locking ring, so that the protective sleeve is firmly fixed on the optical fiber connecting seat at the equipment side, and the loosening and dropping in the use process are avoided, thereby influencing the normal use of the optical fiber loop device; in addition, the optical fiber loop device is sealed in all directions, the optical fiber loop device is prevented from being contacted with a severe environment, and the protection of the optical fiber loop device is further strengthened and consolidated.

(4) The utility model discloses an optical fiber loop device sets up shield and dust cap, is when the optical fiber loop device does not use, to the protection that the optical fiber loop device goes on, keep apart with external adverse circumstances, help protecting optical fiber loop device not receive the damage, on the other hand all-round seals, also plays dustproof and waterproof's effect.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of an explosive structure of an optical fiber circuit device according to the present invention;

fig. 2 is a schematic diagram of another exploded structure of the fiber optic circuit device according to the present invention;

fig. 3 is a schematic perspective view of the protective sheath body according to the present invention;

fig. 4 is a schematic perspective view of a locking ring according to the present invention;

fig. 5 is a schematic perspective view of another perspective of the locking ring of the present invention;

fig. 6 is a schematic perspective view of an optical fiber loop of the present invention;

fig. 7 is a schematic perspective view of the dust cap of the present invention.

The optical fiber protection device comprises a 1-protection sleeve, a 2-optical fiber loop device, a 3-dust cover, a 11-protection sleeve main body, a 12-tail cover, a 13-locking ring, a 111-convex ring 1, a 1111-groove, a 131-limiting ring, a 132-arc groove, a 1321-limiting hole, a 21-optical fiber, a 22-optical fiber loop connector, a 23-dust cap, a 31-connecting end and a 311-rib.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. 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.

In the description of the present invention, it should be understood that the terms "inside", "outside", "large", "small", "one end", "the other end", "both ends", "one side", "the other side", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "fixed," "connected," "opened," "sleeved," "fixed," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

The optical fiber loop device described in this embodiment is mainly used for signal return in a test system or a network system, and can detect a potential abnormality in a network link. The following technical solution of the optical fiber loop apparatus is specifically described as follows:

referring to fig. 1-7, fig. 1 is an explosion structure schematic diagram of an optical fiber circuit device, fig. 2 is another explosion structure schematic diagram of the optical fiber circuit device, fig. 3 is a three-dimensional structure schematic diagram of a protective sheath main body, fig. 4 is a three-dimensional structure schematic diagram of a viewing angle of a locking ring, fig. 5 is a three-dimensional structure schematic diagram of another viewing angle of the locking ring, fig. 6 is a three-dimensional structure schematic diagram of an optical fiber circuit device, fig. 7 is a three-dimensional structure schematic diagram of a dust cap, as shown in fig. 1-7, an optical fiber circuit device includes a protective sheath 1, an optical fiber circuit device 2 and a dust cap 3;

the protective sleeve 1 comprises a protective sleeve main body 11, a tail cover 12 and a locking ring 13, as shown in fig. 1 and fig. 2, the protective sleeve main body 11 is of a cylindrical structure with openings at two ends, the tail cover 12 is detachably mounted at one end of the protective sleeve main body 11, the locking ring 13 is clamped on the protective sleeve main body 11 in a clamping manner, and the locking ring 13 can lock the protective sleeve main body 11 on an optical fiber connecting seat at the equipment side; set up the locking ring 13, make the firm optical fiber connecting seat who is fixed in the equipment side of protective sheath 1, the pine appears taking off, drops in avoiding the use to influence the normal use of optical fiber circuit device in addition, also all-round sealed optical fiber circuit ware avoids optical fiber circuit ware and adverse circumstances to contact, further strengthens consolidating the protection to optical fiber circuit ware.

The optical fiber loop device 2 is fixed in the protective sheath body 11, the optical fiber loop device 2 comprises at least one optical fiber 21 and an optical fiber loop connector 22 connected to both ends of the optical fiber, as shown in fig. 6, in an example, there is one optical fiber 21, although there may be a plurality of optical fibers, correspondingly, the optical fiber loop connector 22 is also correspondingly provided with a plurality of interfaces, and the optical fiber loop connector 22 is located at one end of the protective sheath body 11 far from the tail cover 12; the protective sleeve 1 is arranged outside the optical fiber loop 2, so that the optical fiber loop 2 is prevented from being damaged in severe environments such as high temperature (+80 ℃), high humidity, severe cold (-40 ℃), sand dust, sunlight irradiation, water immersion and the like, the durability of the optical fiber loop 2 is enhanced and prolonged, and the service life of the optical fiber loop 2 is prolonged. In an example, the optical fiber loop connector 22 is a full duplex interface capable of performing bidirectional communication simultaneously, the optical fiber loop connector 22 is a standard LC type optical fiber connector duplex interface compatible with a FullAXS optical fiber connector, the optical fiber may be a single mode optical fiber or a dual mode optical fiber, where the LC type is a push-pull locking connection mode.

The dust cover 3 is provided with an accommodating cavity with an opening at one end, as shown in fig. 7, the end of the dust cover 3 close to the opening of the dust cover is a connecting end 31, and a plurality of ribs 311 are annularly arranged on the connecting end 31 along the axial lead direction; preferably, the outer diameter of the connecting end 31 is smaller than the outer diameter of the dust cover 3, and the inner diameter of the protective sleeve body 11 is smaller than the outer diameter of the dust cover 3. When the optical fiber loop device is not connected to the optical fiber connection seat on the equipment side, that is, when the optical fiber loop device is not used, the connection end 31 is pressed at one end of the protection sleeve main body 11 close to the optical fiber loop connector 22, and the dust cap 3 is detachably connected with the protection sleeve 1, so as to protect the optical fiber loop device 2 accommodated in the protection sleeve 1 from being damaged by people or severe environment.

The protective sheath body 11 is provided with a convex ring 111, as shown in fig. 3, the convex ring 111 is located at one end of the protective sheath body 11 close to the optical fiber loop connector 22, at least one groove 1111 is annularly formed at one side of the convex ring 111 close to the optical fiber loop connector 22, and an opening of the groove 1111 faces a direction away from the convex ring 111. In the example, the end of the protective sheath body 11 away from the fiber loop connector 22 is provided with an external thread; tail-hood 12 is one end open-ended tubular structure, tail-hood 12 inner wall be provided with external screw thread assorted internal thread, tail-hood 12 threaded connection with the one end of protective sheath main part 11. In the example, the tail-hood surface is provided with the tail-hood raised grain along the axis direction, and its tail-hood raised grain can increase frictional force, is convenient for the tail-hood to be fixed in on the protective sheath main part 11. The split design of the tail cover 12 and the protective sleeve main body 11 is used for facilitating the fixed installation of the optical fiber circuit breaker 2, the optical fiber circuit breaker 2 is fixed in the protective sleeve main body 11 in a glue pouring or packaging mode, and then the tail cover 12 is fixed at one end of the protective sleeve main body 11.

The inner wall of the locking ring 13 is provided with a limiting ring 131 and at least one arc groove 132, as shown in fig. 4-5, the limiting ring 131 is close to one end of the locking ring 13, the arc groove 132 is close to the other end of the locking ring 13, the arc groove 132 is along the locking ring 13 radially surrounds and faces the limiting ring 131, a limiting hole 1321 is formed in the bottom of the arc groove 132, and the limiting hole 1321 is located at one end, close to the limiting ring 131, of the locking ring 13. Preferably, the inner diameter of the locking ring 13 is not smaller than the outer diameter of the convex ring 111, the inner diameter of the retainer ring 131 is smaller than the outer diameter of the convex ring 111, and the outer diameter of the convex ring 111 is larger than the outer diameter of the protective sleeve body 11; a plurality of grooves 1111 are annularly and equidistantly arranged on the convex ring 111, a plurality of arc grooves 132 are annularly and equidistantly arranged on the inner wall of the locking ring 13, and the grooves 1111 correspond to the arc grooves 132. In an example, the inner diameter of the locking ring 13 is consistent with the outer diameter of the convex ring 111, the number of the grooves 1111 is two, the number of the arc grooves 132 is two, locking ring concave-convex grains are arranged on the outer surface of the locking ring 13 along the axis direction, friction force is increased through the locking ring concave-convex grains, and the locking ring is convenient to tighten.

The locking ring 13 is sleeved on the convex ring 111 of the protective sheath body 11, the limiting ring 131 is limited on one side of the convex ring 111 far away from the groove 1111, the arc groove 132 corresponds to the groove 1111, and the locking ring 13 can rotate on the convex ring 111.

The optical fiber loop device is inserted on the optical fiber wiring seat, the optical fiber wiring seat is provided with a clamping protrusion, the locking ring 13 is screwed on the optical fiber wiring seat, and the clamping protrusion is fixed in the limiting hole 1321.

When the optical fiber circuit device is not connected to the optical fiber connection base on the equipment side, that is, when the optical fiber circuit device is not used, and is removed from the optical fiber connection base on the equipment side, the dust cap 23 is placed in the interface of the optical fiber circuit connector 22, and the dust cap 23 can prevent dust from falling into the interface of the optical fiber circuit connector 22.

The optical fiber loop device comprises the following steps: the dust cover 3 on the protective sheath 1 is pulled out, the dust cap 23 on the optical fiber loop connector 22 is taken off, the optical fiber loop device is inserted into the optical fiber wiring seat on the equipment side, the protective sheath 1 is aligned to the optical fiber wiring seat on the equipment side, the clamping convex buckle on the optical fiber wiring seat is arranged in the limiting hole on the locking ring, the protective sheath 1 is locked on the optical fiber wiring seat, and the protection of the optical fiber loop device is completed.

The utility model discloses an optical fiber loop device's beneficial effect is:

(1) the utility model discloses an optical fiber circuit device, its optical fiber circuit ware set up the protective sheath, and the protective sheath seals protection optical fiber circuit ware during the use, avoids optical fiber circuit ware and adverse circumstances direct contact such as cold, wet heat, illumination, sand and dust, soaking, protects the stable permanent use of optical fiber circuit ware, prolongs its life.

(2) The utility model discloses an optical fiber circuit device, its optical fiber circuit ware suitability is stronger, and for LC type optic fibre connector, the mode of push-and-pull grafting makes the use comparatively convenient, and the interface compatibility is stronger, can compatible fullAXS fiber connector.

(3) The optical fiber loop device of the utility model is provided with the locking ring, so that the protective sleeve 1 is firmly fixed on the optical fiber connecting seat at the equipment side, and the loosening and dropping in the use process are avoided, thereby influencing the normal use of the optical fiber loop device; in addition, the optical fiber loop device is sealed in all directions, the optical fiber loop device is prevented from being contacted with a severe environment, and the protection of the optical fiber loop device is further strengthened and consolidated.

(4) The utility model discloses an optical fiber loop device sets up shield and dust cap, is when the optical fiber loop device does not use, to the protection that the optical fiber loop device goes on, keep apart with external adverse circumstances, help protecting optical fiber loop device not receive the damage, on the other hand all-round seals, also plays dustproof and waterproof's effect.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes, modifications, variations, or alterations that do not occur to the creative efforts should be included in the scope of the present application.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications and changes may be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. An optical fiber circuit device, comprising;

the protective sleeve (1) comprises a protective sleeve main body (11), a tail cover (12) and a locking ring (13), wherein the protective sleeve main body (11) is of a cylindrical structure with openings at two ends, the tail cover (12) is detachably mounted at one end of the protective sleeve main body (11), the locking ring (13) is clamped on the protective sleeve main body (11), and the locking ring (13) can lock the protective sleeve main body (11) on an optical fiber connecting seat at the equipment side;

the optical fiber loop (2) is fixed in the protective sleeve main body (11), the optical fiber loop (2) comprises at least one optical fiber (21) and an optical fiber loop connector (22) connected with two ends of the optical fiber, and the optical fiber loop connector (22) is located at one end, far away from the tail cover (12), of the protective sleeve main body (11).

2. The optical fiber loop device according to claim 1, wherein a limiting ring (131) and at least one arc groove (132) are disposed on an inner wall of the locking ring (13), the limiting ring (131) is close to one end of the locking ring (13), the arc groove (132) is close to the other end of the locking ring (13), the arc groove (132) radially surrounds the locking ring (13) and extends toward the limiting ring (131), a limiting hole (1321) is disposed at a bottom of the arc groove (132), and the limiting hole (1321) is located at one end of the locking ring (13) close to the limiting ring (131).

3. The optical fiber loop device according to claim 2, wherein a protruding ring (111) is disposed on the protective sheath body (11), the protruding ring (111) is disposed at an end of the protective sheath body (11) close to the optical fiber loop connector (22), at least one groove (1111) is annularly formed on a side of the protruding ring (111) close to the optical fiber loop connector (22), and the groove (1111) opens in a direction away from the protruding ring (111).

4. The fiber loop device according to claim 3, wherein the locking ring (13) is sleeved on the convex ring (111) of the protective sheath body (11), the limiting ring (131) is limited on one side of the convex ring (111) far away from the groove (1111), the circular arc groove (132) corresponds to the groove (1111), and the locking ring (13) can rotate on the convex ring (111);

the optical fiber loop device is inserted on the optical fiber wiring seat, the optical fiber wiring seat is provided with a clamping protrusion, the locking ring (13) is screwed on the optical fiber wiring seat, and the clamping protrusion is fixed in the limiting hole (1321).

5. The fiber optic circuit device of claim 1, wherein the end of the protective sheath body (11) distal from the fiber optic circuit splice (22) is provided with external threads;

tail-hood (12) are one end open-ended tubular structure, tail-hood (12) inner wall be provided with external screw thread assorted internal thread, tail-hood (12) threaded connection with the one end of protective sheath main part (11).

6. The optical fiber loop device according to claim 1, further comprising a dust cap (3), wherein the dust cap (3) has a receiving cavity with an opening at one end, the end of the dust cap (3) close to the opening of the dust cap is a connecting end (31), and a plurality of ribs (311) are annularly arranged on the connecting end (31) along the axial direction;

when the optical fiber loop device is not connected to the optical fiber wire holder on the equipment side, the connecting end (31) is pressed at one end of the protective sleeve main body (11) close to the optical fiber loop connector (22).

7. The fiber optic circuit device of claim 6, wherein the connection end (31) has an outer diameter smaller than an outer diameter of the dust cap (3), and the protective sheath body (11) has an inner diameter smaller than the outer diameter of the dust cap (3).

8. The fiber optic circuit arrangement of claim 1, further comprising a dust cap (23), the dust cap (23) being disposed within the interface of the fiber optic circuit connector (22) when the fiber optic circuit arrangement is not connected to the equipment-side fiber optic receptacle, the dust cap (23) being capable of preventing dust from falling within the interface of the fiber optic circuit connector (22).

9. The fiber optic circuit device according to claim 3, wherein the inner diameter of the locking ring (13) is not smaller than the outer diameter of the convex ring (111), the inner diameter of the retainer ring (131) is smaller than the outer diameter of the convex ring (111), and the outer diameter of the convex ring (111) is larger than the outer diameter of the protective sheath body (11).

10. The optical fiber loop device according to claim 4, wherein a plurality of grooves (1111) are annularly and equally spaced on the convex ring (111), a plurality of circular arc grooves (132) are annularly and equally spaced on the inner wall of the locking ring (13), and the grooves (1111) correspond to the circular arc grooves (132).

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