CN210835373U - Optical cable fire prevention groove box - Google Patents

Optical cable fire prevention groove box Download PDF

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Publication number
CN210835373U
CN210835373U CN201922043781.3U CN201922043781U CN210835373U CN 210835373 U CN210835373 U CN 210835373U CN 201922043781 U CN201922043781 U CN 201922043781U CN 210835373 U CN210835373 U CN 210835373U
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CN
China
Prior art keywords
box
groove
fire
box body
pull rod
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Expired - Fee Related
Application number
CN201922043781.3U
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Chinese (zh)
Inventor
曾红霞
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Sichuan Zhengjiaxin Technology Co ltd
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Sichuan Zhengjiaxin Technology Co ltd
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Priority to CN201922043781.3U priority Critical patent/CN210835373U/en
Application granted granted Critical
Publication of CN210835373U publication Critical patent/CN210835373U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides an optical cable fireproof groove box, wherein a box cover is arranged above a box body, a left pull rod, at least two connecting pipes and a right pull rod are sequentially arranged on the top surface of the box cover from left to right, the upper part of any one connecting pipe is an external thread section, and a screw cap is arranged on the external thread section; the box cover is of a C-shaped structure with a downward opening, the box body is of a C-shaped structure with an upward opening, and the box cover and the box body are buckled through a buckle structure; the inner hole of any connecting pipe is communicated with the cavity after the box cover and the box body are buckled. The utility model discloses rational in infrastructure, simple to operate fills up thermal-insulated cushion or backing plate in the groove box, and groove box both ends and kneck are stifled tight with refractory material, can cover and form the section of hindering a fire behind the lid, even the cable catches fire in the groove box, and the groove box is interior air is limited, also is difficult for postponing the burning, airtight effectual, groove box overall structure intensity is more stable.

Description

Optical cable fire prevention groove box
Technical Field
The utility model belongs to the technical field of the optical cable protection, in particular to optical cable fire prevention groove box.
Background
The protection of the optical cable line mainly comprises seven aspects of moisture (water) resistance, fire prevention, mechanical damage prevention, biological damage prevention, soil corrosion prevention, lightning protection and strong electricity damage of the optical cable. The protection of the seventh aspect is closely related to the production process, transportation, construction and laying of the optical cable and is influenced by aspects of industrial production, agricultural production, meteorological activities, biological activities and the like in the operation and maintenance after the optical cable is built and put into operation.
The optical cable structure in the prior art is composed of a reinforced core, an oil-filled loose-tube optical fiber, an oil-filled ointment and a comprehensive sheath (mostly PE + double-sided plastic-coated corrugated steel sleeve + PE outer sheath). The cable structure (and its various complementary structures) is relatively easy to manufacture and provides sufficient protection to the optical fibers within the cable so that the optical fibers are not damaged by external forces (including physical, chemical, dynamic, static, and the like); the optical cable has adopted the fire-retardant material, still have the following technical defect: the installation and the disassembly of the groove box are complex; due to external fire, the optical cable is easy to ignite and is not cut off and has no fire delay measures.
How to design an optical cable fire prevention groove box, how to facilitate the installation and can effectual disconnected flame and prolong to burn becomes the problem that the urgent need was solved.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, the present invention provides a fire-proof slot box for optical cables, which is used to solve the problem of complicated installation and disassembly of the slot box in the prior art; due to the fact that fire is generated outside, the optical cable is easy to ignite, and the problems of flame separation and fire delay measures are solved.
In order to achieve the purpose, the utility model provides an optical cable fireproof groove box, which comprises a box body, wherein a box cover is arranged above the box body, a left pull rod, at least two connecting pipes and a right pull rod are sequentially arranged on the top surface of the box cover from left to right, the upper part of any connecting pipe is an external thread section, and a screw cover is arranged on the external thread section;
the box cover is of a C-shaped structure with a downward opening, the box body is of a C-shaped structure with an upward opening, and the box cover and the box body are buckled through a buckle structure; the inner hole of any connecting pipe is communicated with the cavity after the box cover and the box body are buckled.
In an embodiment of the present invention, the inner sides of the two open ends of the box cover are provided with symmetrically arranged bosses, and a plurality of bosses on any one side are arranged equidistantly along the front-back direction;
the corners of two open ends of the box cover and the top plate are provided with platforms, and the middle parts of the platforms are provided with rectangular grooves.
In an embodiment of the present invention, the cross-section of the boss is vertical isosceles trapezoid, and the isosceles trapezoid of the boss goes to the bottom on the inner side wall of the box cover.
In an embodiment of the present invention, the outer sides of the two open ends of the box body are provided with symmetrically arranged trapezoidal grooves; the inner sides of the two opening ends of the box body are provided with trapezoidal supporting platforms, and the middle parts of the top ends of the trapezoidal supporting platforms are provided with clamping strips arranged along the front-back direction.
In an embodiment of the utility model, the card strip be the cuboid, the card strip corresponds with the rectangular groove of platform and arranges, is provided with the sealing strip between the rectangular groove of card strip and platform.
In an embodiment of the utility model, the dovetail groove be logical elongated slot, the isosceles trapezoid of dovetail groove for erecting the cross-section of putting, the isosceles trapezoid of dovetail groove all goes to the bottom and all is located the outside terminal surface of box body and is the open end.
In an embodiment of the present invention, the trapezoidal groove can cooperate with the boss to form a buckle structure.
In an embodiment of the present invention, the left pull rod is arranged along the front-back direction, and the left pull rod and the right pull rod are arranged in parallel and symmetrically;
by adopting the technical scheme: and simultaneously, the left pull rod and the right pull rod are pulled, so that the boss of the box cover is clamped into or separated from the trapezoidal groove to form a clamping structure.
In an embodiment of the present invention, two of the connecting pipes are arranged in parallel with the left pull rod.
As above, the utility model discloses an optical cable fire prevention groove box, rational in infrastructure, simple to operate fills up thermal-insulated cushion or backing plate in the groove box, and groove box both ends and kneck are stifled tight with refractory material, can cover and form the section of hindering a fire after the lid, even the cable catches fire in the groove box, and the groove box is interior air limited, also is difficult for postponing to fire, and airtight effectual, groove box overall structure intensity is more stable, and popularization and application have good economic benefits and social.
Drawings
Fig. 1 is a three-dimensional view of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a left side view of fig. 1.
Fig. 5 is an exploded view of the present invention.
Fig. 6 is a bottom three-dimensional view of the box cover of the present invention.
Fig. 7 is a schematic view of the structure of the box body of the present invention.
In the figure: 1. a box cover; 2. a box body; 3. a screw cap; 101. a left pull rod; 102. taking over a pipe; 103. a right pull rod; 104. a boss; 105. a platform; 201. clamping the strip; 202. trapezoidal saddle, 203 trapezoidal groove.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 7. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in figure 1, the utility model provides an optical cable fireproof groove box, which comprises a box body 2, a box cover 1 is arranged above the box body 2,
as shown in fig. 2, the top surface of the box cover 1 is provided with a left pull rod 101, at least two connecting tubes 102 and a right pull rod 103 in sequence from left to right,
as shown in fig. 5, the upper part of any connecting pipe 102 is an external thread section, and a screw cap 3 is arranged on the external thread section;
the box cover 1 is of a C-shaped structure with a downward opening, the box body 2 is of a C-shaped structure with an upward opening, and the box cover 1 and the box body 2 are buckled through a buckle structure; an inner hole of any connecting pipe 102 is communicated with the cavity after the box cover 1 and the box body 2 are buckled;
as shown in fig. 6, the inner sides of the two open ends of the box cover 1 are provided with symmetrically arranged bosses 104, and a plurality of bosses 104 on any side are arranged at equal intervals along the front-rear direction;
a platform 105 is arranged at the corners of the two open ends of the box cover 1 and the top plate, and a rectangular groove is arranged in the middle of the platform 105;
the cross section of the boss 104 is a vertically arranged isosceles trapezoid, each corner of the isosceles trapezoid is provided with a first arc transition, and the lower bottom of the isosceles trapezoid of the boss 104 is arranged on the inner side wall of the box cover 1;
as shown in fig. 7, the outer sides of the two open ends of the box body 2 are provided with symmetrically arranged trapezoidal grooves 203; the inner sides of two open ends of the box body 2 are provided with trapezoidal pallets 202, and the middle part of the top end of each trapezoidal pallet 202 is provided with clamping strips 201 arranged along the front-back direction;
the clamping strip 201 is a cuboid, the clamping strip 201 is arranged corresponding to the rectangular groove of the platform 105, and a sealing strip is arranged between the clamping strip 201 and the rectangular groove of the platform 105;
the trapezoidal groove 203 is a through long groove, the section of the trapezoidal groove 203 is a vertically arranged isosceles trapezoid, and each corner of the isosceles trapezoid is provided with a second arc transition; the isosceles trapezoid lower bottoms of the trapezoid-shaped grooves 203 are both positioned on the outer side end face of the box body 2 and are open ends;
the trapezoidal groove 203 can be matched with the boss 104 to form a buckling structure;
as shown in fig. 3, the left pull rod 101 is arranged along the front-back direction, and the left pull rod 101 and the right pull rod 103 are arranged in parallel and symmetrically; by adopting the technical scheme: simultaneously pulling the left pull rod and the right pull rod to enable the boss of the box cover to be clamped in or separated from the trapezoidal groove to form a clamping structure;
the connecting line of the two connecting pipes 102 is arranged in parallel with the left pull rod 101;
as shown in fig. 4, the left pull rod 101 and the right pull rod 103 are both of a C-shaped structure with a downward opening; round platform transition is arranged between the left pull rod 101, the right pull rod 103 and the top surface of the box cover 1.
In specific implementation, the box cover 1 and the box body 2 are both made of fire-resistant or flame-retardant materials, such as glass fiber reinforced plastics, metals, PVC resin or glass fiber reinforced PVC.
In the first embodiment, after the optical cable is installed, the heat insulation cushion block or the cushion plate is arranged in the box body 2, the two ends and the joint of the box body 2 are tightly blocked by the fireproof materials, and the fire blocking section is formed after the box cover 1 is covered, so that even if the cable in the box is on fire, the air in the groove is limited, and the fire is not easy to delay.
In the second embodiment, after the optical cable is installed, the box cover 1 and the box body 2 are buckled, two ends and the connector of the box body 2 are tightly blocked by using a refractory material, and a refractory grouting material is poured through the connecting pipe 102, wherein the refractory grouting material is formed by mixing aluminate cement and ordinary portland cement.
In the third embodiment, the left pull rod 101 and the right pull rod 103 can be made by bending round steel, the open ends of the C-shaped structures of the left pull rod 101 and the right pull rod 103 are provided with external threads, the box cover 1 is provided with corresponding through holes, and the left pull rod 101 and the right pull rod 103 are mounted on the box cover 1 through nuts after passing through the through holes.
To sum up, the utility model provides an optical cable fire prevention groove box, rational in infrastructure, simple to operate fills up thermal-insulated cushion or backing plate in the groove box, and groove box both ends and kneck are stifled tight with refractory material, can cover and form the section of hindering a fire after the lid, even the cable catches fire in the groove box, and the groove box is interior air limited, also is difficult for postponing burning, airtight effectual, groove box overall structure intensity is more stable. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (9)

1. The utility model provides an optical cable fire prevention groove box, includes box body (2), its characterized in that: a box cover (1) is arranged above the box body (2), a left pull rod (101), at least two connecting pipes (102) and a right pull rod (103) are sequentially arranged on the top surface of the box cover (1) from left to right, the upper part of any connecting pipe (102) is an external thread section, and a screw cover (3) is arranged on the external thread section;
the box cover (1) is of a C-shaped structure with a downward opening, the box body (2) is of a C-shaped structure with an upward opening, and the box cover (1) and the box body (2) are buckled through a buckle structure; the inner hole of any connecting pipe (102) is communicated with the cavity after the box cover (1) and the box body (2) are buckled;
the inner of the groove box is filled with a heat insulation cushion block or a cushion plate, the two ends and the joint of the groove box are tightly blocked by refractory materials, and a fire-retardant section is formed after the box cover (1) is covered.
2. The fire-resistant box for optical cables of claim 1, wherein: the inner sides of two opening ends of the box cover (1) are provided with symmetrically arranged bosses (104), and a plurality of bosses (104) on any side are arranged at equal intervals along the front-back direction;
the corner of two open ends of lid (1) and roof be provided with platform (105), the middle part of platform (105) is provided with rectangular groove.
3. The fire-resistant box for optical cables of claim 2, wherein: the cross section of the boss (104) is a vertical isosceles trapezoid, and the lower isosceles trapezoid of the boss (104) is arranged on the inner side wall of the box cover (1).
4. The fire-resistant box for optical cables of claim 1, wherein: the outer sides of two open ends of the box body (2) are provided with trapezoidal grooves (203) which are symmetrically arranged; the inner sides of two open ends of the box body (2) are provided with trapezoidal supporting platforms (202), and the middle part of the top end of each trapezoidal supporting platform (202) is provided with clamping strips (201) which are arranged along the front-back direction.
5. The fire-resistant box for optical cables of claim 4, wherein: card strip (201) be the cuboid, card strip (201) correspond with the rectangular groove of platform (105) and arrange, be provided with the sealing strip between the rectangular groove of card strip (201) and platform (105).
6. The fire-resistant box for optical cables of claim 4, wherein: the trapezoid-shaped groove (203) is a through elongated groove, the section of the trapezoid-shaped groove (203) is a vertically arranged isosceles trapezoid, and the lower bottom of the isosceles trapezoid-shaped groove (203) is located on the outer end face of the box body (2) and is an open end.
7. The fire-resistant box for optical cables of claim 6, wherein: the trapezoidal groove (203) can be matched with the boss (104) to form a buckling structure.
8. The fire-resistant box for optical cables of claim 1, wherein: the left pull rod (101) is arranged along the front-back direction, and the left pull rod (101) and the right pull rod (103) are arranged in parallel and symmetrically.
9. The fire-resistant box for optical cables of claim 1, wherein: the connecting line of the two connecting pipes (102) is arranged in parallel with the left pull rod (101).
CN201922043781.3U 2019-11-22 2019-11-22 Optical cable fire prevention groove box Expired - Fee Related CN210835373U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922043781.3U CN210835373U (en) 2019-11-22 2019-11-22 Optical cable fire prevention groove box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922043781.3U CN210835373U (en) 2019-11-22 2019-11-22 Optical cable fire prevention groove box

Publications (1)

Publication Number Publication Date
CN210835373U true CN210835373U (en) 2020-06-23

Family

ID=71260502

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922043781.3U Expired - Fee Related CN210835373U (en) 2019-11-22 2019-11-22 Optical cable fire prevention groove box

Country Status (1)

Country Link
CN (1) CN210835373U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112346187A (en) * 2020-11-23 2021-02-09 国网江苏省电力有限公司盐城供电分公司 Fire-resistant thermal-insulated groove box with separate empty structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112346187A (en) * 2020-11-23 2021-02-09 国网江苏省电力有限公司盐城供电分公司 Fire-resistant thermal-insulated groove box with separate empty structure

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200623