CN215116915U

CN215116915U - Optical fiber node protection device for FTTH

Info

Publication number: CN215116915U
Application number: CN202121406689.XU
Authority: CN
Inventors: 章勇; 孟永志
Original assignee: HUNAN PROVINCIAL COMMUNICATIONS CONSTRUCTION CO Ltd
Current assignee: HUNAN PROVINCIAL COMMUNICATIONS CONSTRUCTION CO Ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-12-10
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses an optic fibre node protection device for FTTH, include: the lower cover is provided with a first accommodating groove for accommodating the optical fiber nodes; one side of the first accommodating groove is provided with a limiting hole; the upper cover is hinged with the upper cover and can open or close the lower cover; the upper cover is provided with a second accommodating groove corresponding to the first accommodating groove and a bayonet corresponding to the limiting hole; when the upper cover is covered on the lower cover, the first accommodating groove and the second accommodating groove form an accommodating space for protecting the optical fiber node, and the bayonet pin is embedded in the limiting hole to connect the upper cover and the lower cover. According to the utility model discloses an optical fiber node protection device for FTTH, simple structure has effectively reduced protection device's installation time, has promoted the installation effectiveness.

Description

Optical fiber node protection device for FTTH

Technical Field

The utility model relates to an optical fiber equipment field especially relates to an optical fiber node protection device for FTTH.

Background

When the trunk information optical cable is wired, frequent connection is needed due to the limitation of length, so that special protection needs to be carried out on a fragile connection point. The protection devices provided in the prior art are structurally complex and are generally locked and fixed by a plurality of bolts. Since the size of the protection device for the general optical fiber is small, the size of the bolt for locking is small, so that the nut is easy to lose, and the small nut is inconvenient to install and operate.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an optic fibre node protection device for FTTH, simple structure, completion installation that can be quick.

According to the utility model discloses an optic fibre node protection device for FTTH, include: the lower cover is provided with a first accommodating groove for accommodating the optical fiber nodes; one side of the first accommodating groove is provided with a limiting hole; the upper cover is hinged with the upper cover and can open or close the lower cover; the upper cover is provided with a second accommodating groove corresponding to the first accommodating groove and a bayonet corresponding to the limiting hole; when the upper cover covers the lower cover, the first accommodating groove and the second accommodating groove form an accommodating space for protecting an optical fiber node, and the bayonet pin is embedded into the limiting hole to connect the upper cover and the lower cover.

According to the utility model discloses an optic fibre node protection device for FTTH has following technological effect at least: the upper cover is articulated with the lower cover, and through having bayonet lock and spacing jogged joint, operating personnel can realize during the installation that the one hand is placed the optical fiber node in the holding tank and is locked upper cover and lower cover, simple structure, and the simple operation has effectively reduced protection device's installation time, has promoted the installation effectiveness.

According to the utility model discloses a few embodiments, first holding tank includes node section, changeover portion and main line segment, the node section is located in the middle of the holding tank, the changeover portion with the main line segment symmetry set up in node section both ends and outside extension.

According to the utility model discloses a some embodiments, spacing hole is followed the axial direction interval of lower cover is provided with a plurality ofly, the bayonet lock corresponds spacing hole is equipped with a plurality ofly.

According to some embodiments of the present invention, the bayonet pin comprises an embedded portion and a connecting portion, both ends of the connecting portion are respectively connected with the upper cover and the embedded portion; when the bayonet is embedded into the limiting hole, the embedded part is abutted against the limiting hole to connect the upper cover and the lower cover.

According to some embodiments of the utility model, the embedding part is equipped with radial extension's bulge, spacing hole be equipped with the spacing step that the bulge corresponds, the bayonet lock embedding when spacing downthehole, spacing step with the bulge offsets.

According to some embodiments of the invention, the device comprises a nut; the axial both ends of lower cover all are equipped with hollow lower double-screw bolt, the upper cover be equipped with the last double-screw bolt that the double-screw bolt corresponds down, go up the double-screw bolt with the double-screw bolt cooperation forms the passageway that supplies optic fibre to pass down, the nut cover is located go up the double-screw bolt with the double-screw bolt periphery down is used for locking optic fibre in the passageway.

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

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the embodiment of the present invention in an installation state;

fig. 2 is an exploded view of the embodiment of the present invention in an open state;

fig. 3 is a cross-sectional view of the lower cover of the present invention;

fig. 4 is a sectional view of the upper cover of the present invention.

Reference numerals:

the lower cover 100, the first accommodating groove 110, the node section 111, the transition section 112, the main line section 113, the limiting hole 120, the limiting step 121 and the lower stud 130;

the upper cover 200, the second receiving groove 210, the latch 220, the connecting portion 221, the embedding portion 222, the protruding portion 223, the upper stud 230, and the nut 240.

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 only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the utility model discloses an optical fiber node protection device for FTTH, include:

a lower cover 100 provided with a first receiving groove 110 for placing an optical fiber node; one side of the first accommodating groove 110 is provided with a limiting hole 120;

an upper cover 200 hinged with the upper cover 200 and capable of opening or closing the lower cover 100; the upper cover 200 is provided with a second receiving groove 210 corresponding to the first receiving groove 110 and a bayonet 220 corresponding to the limiting hole 120; when the upper cover 200 is covered on the lower cover 100, the first receiving groove 110 and the second receiving groove 210 form a receiving space for protecting the optical fiber node, and the latch 220 is embedded in the limiting hole 120 to connect the upper cover 200 and the lower cover 100. One side of the upper cover 200 is hinged to one side of the lower cover 100, and when the upper cover 200 is completely covered on the lower cover 100, as shown in fig. 1, the two form a cylinder having a hole in the middle through which the optical fiber passes. Upper cover 200 and lower cover 100 are connected through having bayonet 220 and spacing hole 120, and operating personnel can realize during the installation that one hand places the optical fiber node in the holding tank and locks upper cover 200 and lower cover 100, simple structure, and the simple operation has effectively reduced protection device's installation time, has promoted the installation effectiveness.

In some embodiments of the present invention, the first accommodating groove 110 includes a node section 111, a transition section 112 and a main line section 113, the node section 111 is disposed in the middle of the accommodating groove, and the transition section 112 and the main line section 113 are symmetrically disposed at two ends of the node section 111 and extend outwards. Specifically, as shown in fig. 2, the second receiving groove 210 of the upper cover 200 has a structure identical to that of the first receiving groove 110, and also includes a node section 111, a transition section 112, and a main line section 113, wherein the diameter of the main line section 113 is larger than that of the node section 111, and the diameter of the transition section 112 gradually changes from the main line section 113 to the node section 111.

It should be understood that a layer of flexible protection mat is laid in both the node section 111 and the transition section 112.

In some embodiments of the present invention, the spacing hole 120 is provided in a plurality at intervals along the axial direction of the lower cover 100, and the bayonet 220 is provided in a plurality corresponding to the spacing hole 120. Four limiting holes 120 are provided, and four corresponding clamping pins 220 are provided.

It is understood that the number of the position limiting holes 120 may be set to a suitable number according to the actual length of the lower cover 100.

In some embodiments of the present invention, bayonet 220 is made of an elastomeric material. The bayonet 220 can be elastically deformed in the process of being inserted into the limiting hole 120, and after the bayonet 220 is completely inserted into the limiting hole 120 by increasing the pressure, the bayonet 220 is restored to the original state and is clamped in the limiting hole 120, so that the connection between the upper cover 200 and the lower cover 100 is realized. The elastic material can be rubber or plastic.

In some embodiments of the present invention, the locking pin 220 includes an insertion portion 222 and a connection portion 221, and both ends of the connection portion 221 are respectively connected to the upper cover 200 and the insertion portion 222; when the locking pin 220 is inserted into the hole 120, the insertion portion 222 abuts against the hole 120 to connect the upper cover 200 and the lower cover 100.

In some embodiments of the present invention, the embedding portion 222 is provided with a protrusion 223 extending radially, the limiting hole 120 is provided with a limiting step 121 corresponding to the protrusion 223, and when the bayonet 220 is embedded in the limiting hole 120, the limiting step 121 is offset from the protrusion 223. Specifically, as shown in fig. 3 and 4, the bottom of the insertion portion 222 is pointed, and the protruding portion 223 protrudes toward one side; the aperture of the upper part of the limiting hole 120 is smaller than that of the lower part, and the shape of the lower part of the limiting hole 120 is consistent with that of the embedding part 222; when the insertion portion 222 of the latch 220 passes through the upper portion of the position-limiting hole 120, the insertion portion 222 deforms, and needs to be pushed into the position-limiting hole 120 with a large force; after the bayonet 220 is completely inserted into the limiting hole 120, the protruding part 223 of the embedding part 222 will be reset, so that the protruding part 223 will abut against the limiting step 121 of the limiting hole 120 to limit the opening of the upper cover 200.

In some embodiments of the present invention, a nut 240 is included; the lower cover 100 is provided with hollow lower studs 130 at two axial ends, the upper cover 200 is provided with upper studs 230 corresponding to the lower studs 130, the upper studs 230 and the lower studs 130 are matched to form a channel for optical fibers to pass through, and nuts 240 are sleeved on the peripheries of the upper studs 230 and the lower studs 130 for locking the optical fibers in the channel. Specifically, as shown in fig. 2, the upper nut 240 and the lower nut 240 are symmetrically arranged, and after the upper nut 240 and the lower nut 240 are close together, the upper nut 240 and the lower nut 240 form a passage for the optical fiber to pass through. During installation, when two optical fibers are not connected together, the two optical fibers to be connected together penetrate through the two nuts 240, then the two optical fibers are connected together, finally, the connecting joint of the two optical fibers is placed into the accommodating groove of the protection device, the upper cover 200 is covered, and finally the nuts 240 are screwed. Two functions can be achieved by tightening the nut 240: firstly, the bayonet 220 is limited from being separated from the limiting hole 120; secondly after lock nut 240 the utility model discloses a protection device will be unable to slide along optic fibre again, it is spacing to carry out protection device.

It is understood that the two ends of the upper cover 200 and the lower cover 100 can also be connected by other methods, for example, an upper arc plate is arranged at the two ends of the upper cover 200, a lower arc plate is arranged at the two ends of the lower cover 100, and the two arc plates are connected by bolts or buckles.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like 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 do not necessarily 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An optical fiber node protection device for FTTH, comprising:

the lower cover (100) is provided with a first accommodating groove (110) for accommodating the optical fiber node; one side of the first accommodating groove (110) is provided with a limiting hole (120);

an upper cover (200) hinged to the upper cover (200) and capable of opening or closing the lower cover (100); the upper cover (200) is provided with a second accommodating groove (210) corresponding to the first accommodating groove (110) and a clamping pin (220) corresponding to the limiting hole (120); when the upper cover (200) is covered on the lower cover (100), the first accommodating groove (110) and the second accommodating groove (210) form an accommodating space for protecting an optical fiber node, and the bayonet lock (220) is embedded into the limiting hole (120) to connect the upper cover (200) and the lower cover (100).

2. A fiber node protection device for FTTH according to claim 1, wherein: the first accommodating groove (110) comprises a node section (111), a transition section (112) and a main line section (113), the node section (111) is arranged in the middle of the accommodating groove, and the transition section (112) and the main line section (113) are symmetrically arranged at two ends of the node section (111) and extend outwards.

3. A fiber node protection device for FTTH according to claim 1, wherein: the limiting holes (120) are arranged in a plurality at intervals along the axial direction of the lower cover (100), and the clamping pins (220) are arranged in a plurality corresponding to the limiting holes (120).

4. A fiber node protection device for an FTTH according to claim 3, wherein: the bayonet lock (220) comprises an embedding part (222) and a connecting part (221), and two ends of the connecting part (221) are respectively connected with the upper cover (200) and the embedding part (222); when the bayonet (220) is embedded into the limiting hole (120), the embedded part (222) is abutted against the limiting hole (120) to connect the upper cover (200) and the lower cover (100).

5. An optical fiber node protection device for an FTTH according to claim 4, wherein: the embedding part (222) is provided with a protruding part (223) extending transversely, the limiting hole (120) is provided with a limiting step (121) corresponding to the protruding part (223), and when the bayonet lock (220) is embedded into the limiting hole (120), the limiting step (121) is abutted to the protruding part (223).

6. A fiber node protection device for FTTH according to claim 1, wherein: comprises a nut (240); the optical fiber connector is characterized in that hollow lower studs (130) are arranged at two axial ends of the lower cover (100), upper studs (230) corresponding to the lower studs (130) are arranged on the upper cover (200), the upper studs (230) and the lower studs (130) are matched to form a channel for optical fibers to pass through, and nuts (240) are sleeved on the peripheries of the upper studs (230) and the lower studs (130) and used for locking the optical fibers in the channel.