CN210222316U

CN210222316U - Optical fiber access box

Info

Publication number: CN210222316U
Application number: CN201921106657.0U
Authority: CN
Inventors: Jingfeng Li; 黎镜锋; Jun Wu; 吴俊�; Feng Ding; 丁峰
Original assignee: Shanghai Tiancheng Communication Technology Ltd By Share Ltd
Current assignee: Shanghai Tiancheng Communication Technology Ltd By Share Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-03-31
Anticipated expiration: 2029-07-16

Abstract

The utility model relates to an optical fiber access box, its apron including shell, tip and the closed shell that has sunken space, shell, tip and apron enclose into sunken space, the bottom of shell has a fine portion of dish towards sunken space extension, optical fiber access box is still including melting fine dish, it includes the base to melt fine dish, it locates directly over a fine portion of dish and supported by a fine portion of dish to melt fine dish, the base with by the contact of a fine portion of dish. So, compact structure, rationally distributed, space utilization is higher, provides the fixed storage space of laying of ordinary dish fibre and fused fine dish to having the structure that guide optic fibre arranged, installation convenient operation avoids the interface at optic fibre welded tube both ends to become flexible easily and influence normal use, and, can be fine carry out all-round spacing fixed to optic fibre linking position, avoid optic fibre to break away from the roll-off in the use.

Description

Optical fiber access box

Technical Field

The utility model relates to an optical fiber technology field especially relates to an optical fiber access box.

Background

The optical fiber access box is widely applied to the fields of telephones, networks, data, image transmission, cable televisions and the like, belongs to auxiliary equipment of terminal wiring in an optical fiber transmission communication network, is suitable for direct and branch connection of indoor optical cables, has a function of protecting an optical fiber joint by coiling and storing tail optical fibers, is mainly used for connecting fiber cores and tail optical fibers in the optical cables, one end of the optical fiber access box is an optical cable, the other end of the optical fiber access box is a tail optical fiber, and is equivalent to equipment for splitting an optical cable into single optical fibers, and the optical fiber access box is installed on a wall and used for fusion splicing of the optical fibers and the optical fibers, fusion splicing of the optical fibers and the tail optical fibers and cross connection of an optical connector.

Accordingly, there is a need for an improved fiber access cassette to overcome the above-described deficiencies in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improve clean and tidy optic fibre access box of later maintenance management of being convenient for.

The utility model aims at realizing through the following technical scheme: the utility model provides an optical fiber access box, its apron that includes shell, tip and the closed shell that has sunken space, shell, tip and apron enclose into sunken space, the bottom of shell has a fine portion of dish towards sunken space extension, optical fiber access box still includes melts fine dish, it includes the base to melt fine dish, it locates directly over a fine portion of dish and supported by a fine portion of dish to melt fine dish, the base contacts with a fine portion of dish.

As a further improvement, the tip is equipped with a plurality of fine mouths of advancing, the shell is equipped with the first preformed hole and the second preformed hole of isostructure with the relative one side of tip, first preformed hole is phi 16 water joint, accessible 4-8mm optic fibre, the second preformed hole is the MPO coupler for the access of adaptation MPO interface.

As a further improvement of the utility model, the both sides of shell are equipped with the buckle respectively, the buckle includes fixed part, the operating portion fixed with the shell and the trip portion of connecting fixed part and operating portion, the direction protrusion of shell is kept away from to trip portion orientation.

As a further improvement, the both sides of base are equipped with one respectively and stretch out the incurving and be used for around fine arcwall face, the outside of arcwall face is equipped with the fine hole of trapezoidal business turn over respectively, the upper portion in the fine hole of business turn over is equipped with first calorie of line board.

As a further improvement, the top of the arc-shaped surface is provided with a second line clamping plate, which extends outwards from the edge of the arc-shaped surface along the direction of the vertical arc-shaped surface.

As a further improvement of the utility model, one side that the base corresponds the arcwall face is including the lateral wall that upwards extends, the top of lateral wall has the third wire strap, the third wire strap extends towards the arcwall face from the edge of lateral wall along the direction of perpendicular lateral wall.

As a further improvement, the position of third calorie of line board corresponds with the second calorie of line board, be equipped with the clearance that the optic fibre of being convenient for passes through between third calorie of line board and the second calorie of line board.

As a further improvement of the utility model, two be equipped with between the arcwall face and melt fine protection tube fixing device, the middle part that melts fine protection tube fixing device is equipped with the groove pipe that a plurality of strips extend.

As a further improvement, the utility model discloses a each the arcwall face has the centre of a circle, the extending direction of groove pipe is on a parallel with the line in the centre of a circle of both sides arcwall face.

As a further improvement of the present invention, the fiber winding portion includes a plurality of fixing portions connected around the fiber arc portion and a plurality of fixing portions arranged on the same circumference around the fiber arc portion.

Compared with the prior art, compact structure, it is rationally distributed, space utilization is higher, the fixed storage space of laying of ordinary dish fibre and fused fine dish is provided, and have the structure that guide optic fibre was arranged, installation convenient operation, the interface of avoiding optic fibre welded pipe both ends is not hard up easily and influences normal use, and, can be fine carry out all-round spacing fixed to optic fibre linking position, avoid optic fibre to break away from the roll-off in the use, the optical fibre winding is convenient, moreover, the steam generator is simple in structure, it is orderly to distribute, do not influence the staff operation, whole protection machanism protecting effect is good, be convenient for install and dismantle.

Drawings

Fig. 1 is a perspective combination view of a plurality of the optical fiber access boxes of the present invention.

Fig. 2 is a perspective view of fig. 1 from another angle.

Fig. 3 is a schematic perspective view of the optical fiber access box with the cover plate removed.

Fig. 4 is a perspective view of another angle in fig. 3.

Fig. 5 is a schematic perspective view of the housing and the fiber winding portion of the optical fiber access box of the present invention.

Fig. 6 is a schematic perspective view of the fiber melting tray in the optical fiber access box of the present invention.

Reference numerals:

optical fiber access box 100 housing 11

End 12 cover 13

Depressed space 101 fiber winding part 102

Fiber melting disc 14 buckle 15

Fixing part 151 operating part 152

Hook 153 fiber-winding arc 103

Base 141 of fixing part 104

Fiber outlet 143 of arc surface 142

First wire clamping plate 144 and second wire clamping plate 145

Third clip 147 of side wall 146

Gap 148 fused fiber protection tube fixing device 16

Channel tube 161 fiber inlet 17

First preformed hole 171 and second preformed hole 172

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 4, a fiber access box 100 includes a housing 11, an end portion 12, and a cover 13 for closing the housing 11. The housing 11 has a concave space 101, and the housing 11, the end portion 12 and the cover plate 13 enclose the concave space 101. Lower floor's dish is fine, carries out optic fibre reservation, and the upper strata carries out the butt fusion protection with melting fine dish, and compact structure, rationally distributed, space utilization is higher, provides the fixed storage space of laying of ordinary dish fine and melting fine dish to have the structure that guide optic fibre arranged, installation convenient operation.

As shown in fig. 5, a fiber coiling part 102 extends from the bottom of the housing 11 toward the concave space 101, and a fiber melting disk 14 is arranged in the housing 11. The fiber melting disc 14 is arranged right above the fiber winding part and is supported by the fiber winding part.

As shown in fig. 3 and 4, the buckle plates 15 are respectively disposed on two sides of the housing, the buckle plates 15 include a fixing portion 151 fixed to the housing 11, an operating portion 152, and a hook portion 153 connecting the fixing portion 151 and the operating portion 152, and the hook portion 153 protrudes in a direction away from the housing 11. So, when the distribution frame can be packed into to the fiber access box 100, the clamping hook part 153 of the clamping plate 15 is loosened by pinching the two end clamping plates 15 and then pulled out, so that the clamping plate 15 has a simple structure and is convenient to use.

As shown in fig. 5, the fiber winding portion 102 includes a plurality of fiber winding arc portions 103 and a fixing portion 104 connected to the fiber winding arc portions 103, and the plurality of fiber winding arc portions 103 are arranged on the same circumference. Further, the fiber winding arc portions 103 include four, and if a circle is taken as a reference, the four fiber winding arc portions 103 are respectively arranged at four different angular positions, so that the fiber winding portion 102 is stably positioned.

As shown in fig. 6, the fiber melting disk 14 includes a base 141, and the base 141 is in contact with the fiber winding part 102. An arc-shaped surface 142 which extends out and is bent inwards for winding fibers is respectively arranged on two sides of the base 141, trapezoidal fiber inlet and outlet holes 143 are respectively arranged on the outer sides of the arc-shaped surface 142, and first wire clamping plates 144 are arranged on the upper portions of the fiber inlet and outlet holes 143.

As shown in fig. 6, a second wire-clamping plate 145 is disposed on the top of the arc-shaped surface 142, and the second wire-clamping plate 145 extends outwards from the edge of the arc-shaped surface 142 in a direction perpendicular to the arc-shaped surface 142. The side of the base 141 corresponding to the arc-shaped surface 142 comprises a side wall 146 extending upwards, the top of the side wall 146 is provided with a third line clamping plate 147, and the third line clamping plate 147 extends from the edge of the side wall 146 towards the arc-shaped surface 142 along the direction perpendicular to the side wall 146. The position of the third line clamping plate 147 corresponds to the position of the second line clamping plate 145, and a gap 148 which is convenient for optical fibers to pass through is arranged between the third line clamping plate 147 and the second line clamping plate 145. So, through setting up these a little card line plate structures and clearance 148, the fixed storage space of laying that provides ordinary dish fibre and melt fine dish 14 to have the structure that guide optic fibre was arranged, installation convenient operation, and, can be fine carry out all-round spacing fixed to optic fibre linking position, avoid optic fibre to break away from the roll-off in the use, the optic fibre winding is convenient, moreover, the steam generator is simple in structure, it is orderly to distribute, do not influence the staff operation, whole protection machanism protecting effect is good, be convenient for install and dismantle.

As shown in fig. 6, a fiber fuse protection tube fixing device 16 is disposed between the two arc-shaped surfaces 142, and a plurality of strip-shaped extending groove tubes 161 are disposed in the middle of the fiber fuse protection tube fixing device 16. Each arc surface 142 has a circle center, and the extending direction of the slot tube 161 is parallel to the line connecting the circle centers of the arc surfaces 142 at two sides.

As shown in fig. 1 and 4, the end portion 13 is provided with a plurality of fiber inlets 17, one side of the housing 11 opposite to the end portion 12 is provided with a first reserved hole 171 and a second reserved hole 172 which are different in structure, the first reserved hole 171 is a phi 16 waterproof joint and can pass through 4-8mm optical fibers, and the second reserved hole 172 is an MPO coupler and can be adapted to an MPO interface for access. Thus, the hole capable of being knocked off is reserved, and the hole can be used under different conditions.

The utility model discloses an optical fiber access box 100 compact structure, rationally distributed, space utilization is higher, provides the fixed storage space of laying of ordinary dish fine and melt fine dish to have the structure that guide optic fibre was arranged, installation convenient operation avoids the interface at optic fibre welded tube both ends to become flexible easily and influence normal use.

The fiber melting disc 14 of the optical fiber access box 100 of the utility model can meet the fiber melting requirements of customers, and can better arrange wires after fiber melting; the structure of the fiber melting disc 14 is small, the space of a distribution frame is small, and the installation operation can be better; the fiber melting disc 14 belongs to a single device, and can be selected by a customer; when the fiber melting tray 14 is not used, it can be used for an MPO-LC type switching module and the like.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An optical fiber access box comprises a shell with a concave space, an end part and a cover plate for closing the shell, wherein the shell, the end part and the cover plate enclose the concave space, and a fiber coiling part extends towards the concave space from the bottom of the shell, and is characterized in that: the optical fiber access box further comprises a fiber melting disc, the fiber melting disc comprises a base, the fiber melting disc is arranged right above the fiber coiling part and supported by the fiber coiling part, and the base is in contact with the fiber coiling part.

2. The fiber optic access cassette of claim 1, wherein: the terminal part is provided with a plurality of fiber inlets, one side of the shell opposite to the terminal part is provided with a first preformed hole, one side of the shell opposite to the terminal part is also provided with a second preformed hole, the first preformed hole is a phi 16 waterproof joint and can pass through 4-8mm optical fibers, and the second preformed hole is an MPO coupler and is used for being matched with an MPO interface to be accessed.

3. The fiber optic access cassette of claim 1, wherein: the both sides of shell are equipped with the buckle respectively, the buckle includes fixed part, the operating portion of fixing with the shell and the trip portion of connecting fixed part and operating portion, trip portion orientation is kept away from the direction protrusion of shell.

4. The fiber optic access cassette of claim 1, wherein: the base both sides are equipped with one respectively and stretch out the incurving and be used for around the fine arcwall face of fine, the outside of arcwall face is equipped with trapezoidal business turn over fine hole respectively, the upper portion in business turn over fine hole is equipped with first card line board.

5. The fiber optic access cassette of claim 4, wherein: the top of arcwall face is equipped with the second card line board, the edge of second card line board from the arcwall face is outwards extended along the direction of perpendicular arcwall face.

6. The fiber optic access cassette of claim 4, wherein: one side that the base corresponds the arcwall face includes the lateral wall that upwards extends, the top of lateral wall has the third wiring board, the third wiring board extends towards the arcwall face from the edge of lateral wall along the direction of perpendicular lateral wall.

7. The fiber optic access cassette of claim 6, wherein: the position of third thread jamming board corresponds with second thread jamming board, be equipped with the clearance that the optic fibre of being convenient for passed through between third thread jamming board and the second thread jamming board.

8. The fiber optic access cassette of claim 4, wherein: a fiber melting protection tube fixing device is arranged between the two arc-shaped surfaces, and a plurality of strip-shaped extending groove tubes are arranged in the middle of the fiber melting protection tube fixing device.

9. The fiber optic access cassette of claim 8, wherein: each arc-shaped surface is provided with a circle center, and the extending direction of the slot tube is parallel to a connecting line of the circle centers of the arc-shaped surfaces at two sides.

10. The fiber optic access cassette of claim 1, wherein: the fiber coiling part comprises a plurality of fiber winding arc parts and fixing parts connected with the fiber winding arc parts, and the plurality of fiber winding arc parts are arranged on the same circumference.