CN218824843U

CN218824843U - Flame-retardant optical cable protection tube

Info

Publication number: CN218824843U
Application number: CN202223069110.2U
Authority: CN
Inventors: 刘海生; 康喜明; 吴子镝; 武威; 胡金岩; 苏钰淇
Original assignee: Construction Branch Of State Grid Inner Mongolia Eastern Power Co ltd; State Grid Corp of China SGCC
Current assignee: Construction Branch Of State Grid Inner Mongolia Eastern Power Co ltd; State Grid Corp of China SGCC
Priority date: 2022-11-19
Filing date: 2022-11-19
Publication date: 2023-04-07
Anticipated expiration: 2032-11-19

Abstract

The utility model discloses a fire-retardant type optical cable protection tube, including the protection outer tube, the inside of protection outer tube is provided with the protection inner tube, be provided with the fire-retardant layer of glass fiber between the inside of protection outer tube and the outside of protection inner tube. Through being provided with the connection integrated configuration between the both sides at protection outer tube and protection inner tube, the inside of going into the connecting sleeve mouth is pegged graft respectively to the combination plug bush when carrying out erection joint to the cable protection pipe, simultaneously with the inside of locating piece difference scarf joint at the location caulking groove, with this can carry out accurate butt joint with two sets of protection pipes, cup joint the installation cover shell afterwards in the outside of fixed cover and fix through threaded connection, with this reach and carry out the purpose of steady connection combination with two sets of protection pipes respectively, and through being the leakproofness of annular sealed pad improvement built-up connection department between the protection pipe, thereby realized can conveniently and fast ground carry out the effect of installing to the cable protection pipe, the easy to assemble workman operates, can the implementation nature is strong.

Description

Flame-retardant optical cable protection tube

Technical Field

The utility model relates to an optical cable protection tube technical field especially relates to fire-retardant type optical cable protection tube.

Background

An optical cable is a communication cable assembly, the optical cable mainly comprises optical fibers, a plastic protective sleeve and a plastic outer skin, the optical cable is usually installed underground, people can use the optical cable protective sleeve to protect the optical cable installed underground in order to facilitate the installation and the protection of the optical cable, and the protective sleeve which has flame resistance and is safer along with the technical progress is widely used;

the utility model discloses a fire-retardant type optical cable protection tube as the utility model discloses a grant notice number is CN217213273U, the support ring includes the support ring inner ring, the asbestos piece, glass fiber packing board and support ring outer loop, support ring inner ring outer wall fixedly connected with asbestos piece, the asbestos piece is equipped with the multiunit and evenly sets up at support ring inner ring outer wall, asbestos piece outer wall fixedly connected with support ring outer loop, the gap between asbestos piece and the support ring outer loop is filled there is glass fiber packing board, current cable protection tube is the rubber material mostly, do not have fire prevention fire-retardant performance, the condition that the inside cable easily appears the melting under the condition that meets naked light, and the support ring of this protection tube can play certain flame retardant efficiency, the asbestos of asbestos piece inside and the glass fiber in the glass fiber packing board all are fine thermal insulation material, the support ring parcel has also played fine supporting role at pipeline main part outer wall, however this technical scheme is the standard festival that possesses the certain degree when the optical cable protection tube is produced in the in-process of using and is the optical cable protection tube is the butt fusion or is connected the combination and is not carried out the stable protection tube and is constructed when installing the optical cable.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a fire-retardant type optical cable protection tube is the standard festival that possesses the certain degree when solving optical cable protection tube production, need carry out the butt fusion with the optical cable protection tube when the installation or utilize the connecting piece to connect the combination, and the optical cable is the inside of direct cross-under at the protection tube, has inconvenient built-up connection when being under construction the installation to the optical cable protection tube and can not separate stable technical problem to the optical cable of cross-under inside the protection tube effectively.

In order to solve the technical problem, the utility model provides a following technical scheme: fire-retardant type optical cable protection tube, including the protection outer tube, the inside of protection outer tube is provided with the protection inner tube, be provided with the fire-retardant layer of glass fiber between the inside of protection outer tube and the outside of protection inner tube, be provided with between the both sides of protection outer tube and protection inner tube and connect the integrated configuration, fixedly connected with connection ring board between protection outer tube and the protection inner tube one side, fixedly connected with connecting sleeve mouth between protection outer tube and the protection inner tube opposite side, the inside of protection inner tube is provided with optical cable bearing structure.

As a preferred technical scheme of the utility model, it includes connecting ring plate and connecting cuff to connect the integrated configuration, the intermediate position department fixedly connected with combination plug bush of connecting ring plate one side, the inside of combination plug bush and connecting cuff agrees with mutually, the fixed cover of one side fixedly connected with of protection outer tube outside, the installation cover shell has been cup jointed to the outside opposite side of protection outer tube, the inside lateral wall of connecting cuff evenly is provided with the location caulking groove, the edge fixedly connected with of connecting ring plate one side is sealed to be filled up.

As a preferred technical scheme of the utility model, one side of the inside lateral wall of installation cover shell is provided with the internal thread, the outside of fixed cover is provided with the external screw thread with internal thread matched with, sealed pad is the annular.

As an optimal technical scheme of the utility model, the location caulking groove is provided with four groups, the location caulking groove is equidistant range at the inside lateral wall of connecting the running-on, the even fixedly connected with locating piece in outside of combination plug bush, the locating piece is provided with four groups, the locating piece agrees with the location caulking groove respectively mutually.

As an optimal technical scheme of the utility model, optical cable bearing structure is including supporting cardboard and support pipe box, support the inside of the even fixed connection of cardboard at the protection inner tube, support the pipe box and run through the both ends between the support cardboard respectively.

As a preferred technical scheme of the utility model, the stay tube cover is parallel to each other in the inside of protection inner tube, the inside lateral wall difference fixedly connected with protection pad of stay tube cover.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the connecting and combining structure is arranged between the two sides of the protection outer pipe and the protection inner pipe, when the optical cable protection pipes are installed and connected, the combined plug bushes are respectively plugged into the insides of the connecting bush openings, the positioning blocks are respectively embedded into the insides of the positioning embedding grooves, so that the two groups of protection pipes can be accurately butted, then the installation casing is sleeved outside the fixed sleeve and is fixed through threaded connection, the purpose of stably connecting and combining the two groups of protection pipes respectively is achieved, the sealing performance of the combined connection position between the protection pipes is improved through the annular sealing gasket, the effect of conveniently and quickly installing the optical cable protection pipes is achieved, the operation of installation workers is convenient, and the practicability is strong;

2. be provided with optical cable bearing structure through the inside at the protection inner tube, will support the pipe box and install the inside at the protection inner tube when using, and support the pipe box through supporting the cardboard respectively and support the location, ensure to support the pipe box and install the stability in protection inner tube inside, run through the inside of supporting the pipe box with it when installing the optical cable, can separate different optical cables through supporting the pipe box, so that manage and protect the optical cable, and cushion the protection to the optical cable through the inside lateral wall of fixed connection at the support pipe box, further improve the protective properties to the optical cable.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic view of the connection section structure of the protective outer tube of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 of the present invention;

figure 4 is the utility model discloses a support cardboard looks sideways at local section structure schematic diagram.

Wherein: 1. connecting a sleeve opening; 2. fixing a sleeve; 3. protecting the outer tube; 4. protecting the inner pipe; 5. a support sleeve; 6. a supporting clamping plate; 7. a fiberglass flame retardant layer; 8. a connecting ring plate; 9. mounting a casing; 10. a gasket; 11. a combined plug bush; 12. positioning blocks; 13. positioning the caulking groove; 14. and (6) protecting the pad.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example 1

Referring to fig. 1 and 2, the utility model provides a flame-retardant optical cable protection tube, which comprises a protection outer tube 3, a protection inner tube 4 is arranged inside the protection outer tube 3, a glass fiber flame-retardant layer 7 is arranged between the inside of the protection outer tube 3 and the outside of the protection inner tube 4, a connection combination structure is arranged between the two sides of the protection outer tube 3 and the protection inner tube 4, a connection ring plate 8 is fixedly connected between one side of the protection outer tube 3 and one side of the protection inner tube 4, a connection sleeve opening 1 is fixedly connected between the other side of the protection outer tube 3 and the other side of the protection inner tube 4, an optical cable support structure is arranged inside the protection inner tube 4, the connection combination structure comprises a connection ring plate 8 and a connection sleeve opening 1, a combination plug 11 is fixedly connected at the middle position of one side of the connection ring plate 8, the combined plug bush 11 is matched with the interior of the connecting sleeve opening 1, one side of the exterior of the protection outer tube 3 is fixedly connected with a fixed sleeve 2, the other side of the exterior of the protection outer tube 3 is sleeved with an installation sleeve shell 9, the interior side wall of the connecting sleeve opening 1 is uniformly provided with positioning caulking grooves 13, the edge of one side of the connecting ring plate 8 is fixedly connected with a sealing gasket 10, one side of the interior side wall of the installation sleeve shell 9 is provided with internal threads, the exterior of the fixed sleeve 2 is provided with external threads matched with the internal threads, the sealing gasket 10 is annular, the positioning caulking grooves 13 are provided with four groups, the positioning caulking grooves 13 are arranged at equal intervals on the interior side wall of the connecting sleeve opening 1, the exterior of the combined plug bush 11 is uniformly and fixedly connected with positioning blocks 12, the positioning blocks 12 are provided with four groups, and the positioning blocks 12 are respectively matched with the positioning caulking grooves 13;

as a further embodiment of this embodiment, as shown in fig. 1 and fig. 2, when the optical cable protection pipes are installed and connected, the combined plug bushes 11 are respectively plugged into the interior of the connection socket 1, and meanwhile, the positioning blocks 12 are respectively embedded into the positioning caulking grooves 13, so that two groups of protection pipes can be precisely butted, and then, the installation casing 9 is sleeved outside the fixing sleeve 2 and is fixed through threaded connection, so that two groups of protection pipes are respectively stably connected and combined, and the sealing performance of the combined connection part between the protection pipes is improved through the annular sealing gasket 10.

Example 2

Referring to fig. 1, 3 and 4, the utility model provides a flame-retardant optical cable protection tube, the optical cable supporting structure includes a supporting cardboard 6 and a supporting tube sleeve 5, the supporting cardboard 6 is uniformly and fixedly connected inside the protection inner tube 4, the supporting tube sleeve 5 respectively penetrates through two ends between the supporting cardboard 6, the supporting tube sleeve 5 is parallel to each other inside the protection inner tube 4, and the inner side wall of the supporting tube sleeve 5 is respectively and fixedly connected with a protection pad 14;

as a further embodiment of the present embodiment, as shown in fig. 1, 3 and 4, the support tube sleeve 5 is installed inside the protection inner tube 4, and the support tube sleeve 5 is supported and positioned by the support clamping plates 6, respectively, so as to ensure the stability of the support tube sleeve 5 installed inside the protection inner tube 4, when the optical cable is installed, the optical cable penetrates through the support tube sleeve 5, the different optical cables can be separated by the support tube sleeve 5, and the optical cable is protected by the buffer pads 14 fixedly connected to the inner side walls of the support tube sleeve 5.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Fire-retardant type optical cable protection tube, including protection outer tube (3), its characterized in that: the inside of protection outer tube (3) is provided with protection inner tube (4), be provided with glass fiber flame retardant coating (7) between the inside of protection outer tube (3) and the outside of protection inner tube (4), be provided with between the both sides of protection outer tube (3) and protection inner tube (4) and connect integrated configuration, fixedly connected with connection crown plate (8) between protection outer tube (3) and protection inner tube (4) one side, fixedly connected with connection cuff (1) between protection outer tube (3) and protection inner tube (4) opposite side, the inside of protection inner tube (4) is provided with optical cable bearing structure.

2. The flame-retardant optical cable protection tube according to claim 1, wherein: connect integrated configuration including connecting ring board (8) and connecting cuff (1), the intermediate position department fixedly connected with combination plug bush (11) of connecting ring board (8) one side, the inside of combination plug bush (11) and connecting cuff (1) agrees with mutually, the fixed cover of one side fixedly connected with (2) of protection outer tube (3) outside, the installation cover shell (9) have been cup jointed to the outside opposite side of protection outer tube (3), the inside lateral wall of connecting cuff (1) evenly is provided with location caulking groove (13), the sealed pad (10) of edge fixedly connected with of connecting ring board (8) one side.

3. The flame-retardant type optical cable protection tube according to claim 2, wherein: one side of the inner side wall of the mounting sleeve shell (9) is provided with an internal thread, the outer part of the fixing sleeve (2) is provided with an external thread matched with the internal thread, and the sealing gasket (10) is annular.

4. The flame-retardant optical cable protection tube according to claim 2, wherein: the utility model discloses a positioning sleeve, including positioning caulking groove (13), positioning caulking groove (13) are provided with four groups, positioning caulking groove (13) are equidistant at the inside lateral wall of connecting linking sleeve mouth (1) and arrange, the even fixedly connected with locating piece (12) of outside of combination plug bush (11), locating piece (12) are provided with four groups, locating piece (12) agree with positioning caulking groove (13) mutually respectively.

5. The flame-retardant optical cable protection tube according to claim 1, wherein: the optical cable supporting structure comprises a supporting clamping plate (6) and a supporting pipe sleeve (5), the supporting clamping plate (6) is uniformly and fixedly connected inside the inner protecting pipe (4), and the supporting pipe sleeve (5) penetrates through two ends between the supporting clamping plates (6) respectively.

6. The flame-retardant optical cable protection tube according to claim 5, wherein: the supporting pipe sleeves (5) are parallel to each other in the protecting inner pipe (4), and the side walls of the inner parts of the supporting pipe sleeves (5) are fixedly connected with protecting pads (14) respectively.