CN204347311U - For the turntable of coiled fiber - Google Patents

Abstract

The utility model discloses a turntable for coiling optical fibers used in the process of laying optical fibers. The intermediate turntable includes: a cylindrical main body with an upper opening and a lower opening; an upper cover for covering the upper opening of the cylindrical main body; and a lower cover for covering the lower opening of the cylindrical main body, wherein the An optical fiber fixing device is arranged on the inner wall of the cylindrical main body. After the front end of the optical fiber is exposed from the outlet of the optical fiber storage tube of a section of optical-electrical hybrid cable, fix the front end of the optical fiber to the optical fiber fixing device of the turntable. After laying, untie the front end of this fiber from the previous transit tray so that the remaining fiber can be routed into the fiber-holding tube of the next optical-electrical hybrid cable. Since the front end of the optical fiber is fixed in the transfer tray during the laying process, the optical fiber will not be confused and entangled with each other.

Description

Transit Discs for Coiled Optical Fiber

technical field

The utility model relates to a turntable for coiling optical fibers used in the process of laying optical fibers.

Background technique

When laying the optical fiber (optical cable) in the optical-electrical hybrid cable, the length of the optical fiber that can be laid (blown) by the air blowing equipment at a time is limited. When the length of the optical fiber laid, it is necessary to blow this long-distance optical fiber into the optical fiber containing tube (or air-blown microtube) of the multi-section optical-electrical hybrid cable in batches, and the length of each optical-electrical hybrid cable It should be less than the length of optical fiber that can be laid by air blowing equipment each time.

For example, assuming that an air-blowing device can lay a 500-meter-long optical fiber at a time, when it is necessary to lay an optical fiber with a length of 3 kilometers, it is necessary to blow the 3-kilometer-long optical fiber into 6 segments in stages. In the optical fiber containing tube of the optical-electrical hybrid cable, the length of each optical-electrical hybrid cable is 500 meters. First, lay 3 kilometers of optical fiber into the optical fiber containing tube of the first section of optical-electrical hybrid cable through air blowing equipment; then, lay the remaining 2,500 meters of optical fiber through the first section of optical-electrical hybrid cable to the second The optical fiber containing tube of the optical fiber hybrid cable; then, lay the remaining 2000 meters of optical fiber passing through the second optical fiber hybrid cable into the optical fiber containing tube of the third optical fiber hybrid cable; Lay the remaining 1,500 meters of optical fiber of the third section of optical-electrical hybrid cable into the fiber-optic tube of the fourth section of optical-electrical hybrid cable; then, lay the remaining 1,000 meters of optical fiber that passes through the fourth section of optical-electrical hybrid cable into In the optical fiber containing tube of the fifth section of the optical-electrical hybrid cable; finally, the remaining 500 meters of optical fibers passing through the fifth section of the optical-electrical hybrid cable are laid into the optical fiber containing tube of the sixth section of the optical-electrical hybrid cable. In this way, the laying work of the 3-kilometer optical fiber is completed.

In the prior art, when the front end of the optical fiber blown by the air blowing device enters from the entrance of the optical fiber containing tube of the first section of optical-electrical hybrid cable and emerges from the exit, the operator will grab the front end of the optical fiber and pass it through The optical fiber of the first length of the optical fiber hybrid cable is temporarily coiled in an existing fiber optic reel until the fiber optic laying of the first length of the optical fiber hybrid cable is completed. Then, the operator takes out the optical fiber coiled in the optical fiber tray, turns the coiled optical fiber 180 degrees, and then puts the optical fiber into the optical fiber tray, and then finds the front end of the optical fiber, and installs the front end of the optical fiber in the air blowing device , and lay the remaining 2,500 meters of optical fiber passing through the first section of the optical-electrical hybrid cable into the fiber-optic containing tube of the second section of the optical-electrical hybrid cable. After completing the laying of the optical fiber in the optical fiber housing tube of the second segment of the optical-electrical hybrid cable, lay the remaining 2000 meters of optical fiber into the optical fiber housing tubes of the third, fourth, fifth and sixth segment of the optical-electrical hybrid cable respectively.

In the process of laying long-distance optical fibers, the front end of the optical fiber is not fixed in the optical fiber tray, and the front end of the optical fiber is freely accommodated in the optical fiber tray. During the operations of taking out, turning over and putting in the optical fiber tray, the optical fiber is very easy. There is confusion and self-winding. Once the fiber is in chaos or self-winding, the fiber will be damaged during the blowing process, and it must be replaced with a new fiber and re-laid.

Utility model content

The purpose of this utility model is to solve at least one aspect of the above-mentioned problems and defects existing in the prior art.

An object of the present utility model is to provide a method for laying optical fibers, which can lay a continuous long optical fiber into the optical fiber containing tube of a multi-section optical-electrical hybrid cable. During the laying process, the optical fiber will not be confused or entangled.

Another object of the present utility model is to provide a turntable for coiling optical fibers used in the process of laying optical fibers. The turntable is configured to be able to fix the front end of the optical fiber during the laying process so that the optical fibers will not be confused. and self-winding.

According to one aspect of the utility model, a method for laying optical fibers is provided, which is used for laying a continuous optical fiber into the optical fiber containing tube of a multi-section optical-electrical hybrid cable, the length of the continuous optical fiber is longer than that of each optical-electrical hybrid cable. the length of the cable,

The method comprises the steps of:

and

S200: Use air blowing equipment to lay the remaining optical fibers that have passed through the previous section of the optical-electrical hybrid cable into the optical fiber containing tube of the next section of the optical-electrical hybrid cable, wherein

The step S100 includes the following steps:

S110: After the front end of the optical fiber is exposed from the outlet of the optical fiber containing tube of the section of optical-electrical hybrid cable, fix the front end of the optical fiber into a turntable; and

S120: Coil the remaining optical fibers passing through the length of the optical-electrical hybrid cable in the one transfer tray until the optical fiber laying of the optical fiber containing tube of the length of optical-electrical hybrid cable is completed,

The step S200 includes the following steps:

S210: untie the front end of this optical fiber from the previous transfer tray; and

S220: Lay the remaining optical fiber coiled in the previous transfer tray into the optical fiber containing tube of the next optical-electrical hybrid cable by using an air blowing device.

According to an exemplary embodiment of the present invention, the step S220 includes the following steps:

S221: After the front end of this optical fiber is exposed from the outlet of the optical fiber receiving tube (120) of the next section of the optical hybrid cable, fix the front end of this optical fiber in the next turntable (300'); and

S222: Coil the remaining optical fibers passing through the next section of the optical-electrical hybrid cable in the next transfer tray until the optical fiber laying of the optical fiber containing tube of the next section of the optical-electrical hybrid cable is completed.

According to another exemplary embodiment of the present utility model, step S200 is repeatedly performed, so as to lay the continuous optical fiber into the optical fiber containing tube of three or more sections of optical-electrical hybrid cables.

According to another exemplary embodiment of the present invention, the transfer plate includes: a cylindrical body with an upper opening and a lower opening; an upper cover for covering the upper opening of the cylindrical main body; and a lower cover for Cover the lower opening of the cylindrical main body.

According to another exemplary embodiment of the present invention, an optical fiber fixing device is provided on the bottom inner wall of the cylindrical body close to the lower cover, and the front end of the optical fiber is fixed on the optical fiber fixing device.

According to another exemplary embodiment of the present invention, a slit is formed on the peripheral wall of the cylindrical body, so that the optical fiber can move from the upper side to the lower side of the cylindrical body through the slit.

According to another exemplary embodiment of the present utility model, the step S210 includes the following steps:

S211: moving the optical fiber into the slit of the cylindrical body;

S212: Cover the upper cover on the cylindrical main body;

S213: turn the transfer plate 180 degrees so that the bottom of the transfer plate faces upward;

S214: open the lower cover from the turntable; and

S215: Untie the front end of the optical fiber from the optical fiber fixing device of the turntable.

According to another exemplary embodiment of the present invention, a first protruding post is formed on the lower cover of the transfer disc, and in the aforementioned steps S120 and S222, the optical fiber is coiled on the first raised column of the transfer disc. raised post.

According to another exemplary embodiment of the present invention, a second protruding post is formed on the upper cover of the transfer plate, and in the aforementioned step S212, the second protruding post is inserted into the first in the center hole of the raised post.

According to another exemplary embodiment of the present utility model, the transfer plate further includes: an upper collar, adapted to be clamped on the periphery of the upper cover and the periphery of the upper opening of the cylindrical main body, so that The upper cover is clamped on the cylindrical main body; and a lower collar is adapted to be clamped on the peripheral edge of the lower cover and the peripheral edge of the lower opening of the cylindrical main body, so that the lower A cover is held on the cylindrical body.

According to another exemplary embodiment of the present utility model, after the continuous optical fiber is laid into the two optical fiber containing tubes of two adjacent photoelectric hybrid cables, the two fiber containing tubes are butted together with a pipe joint. Together.

According to another exemplary embodiment of the present utility model, before the optical fiber is laid by air blowing equipment, the power cables of the multi-section optical-electrical hybrid cable are electrically connected together by a cable connector.

According to another exemplary embodiment of the present utility model, the air blowing device is an air compressor.

According to another aspect of the present utility model, there is provided a turntable for coiling an optical fiber, comprising: a cylindrical body with an upper opening and a lower opening; an upper cover for covering the upper opening of the cylindrical body; and a lower The cover is used to cover the lower opening of the cylindrical body, wherein an optical fiber fixing device is arranged on the inner wall of the cylindrical body for fixing the front end of the optical fiber on the cylindrical body.

According to an exemplary embodiment of the present utility model, the optical fiber fixing device is arranged on the bottom inner wall of the cylindrical main body close to the lower cover.

According to another exemplary embodiment of the present invention, a slit is formed on the peripheral wall of the cylindrical body, so that the optical fiber can move from the upper side to the lower side of the cylindrical body through the slit.

According to another exemplary embodiment of the present invention, a first protruding post is formed on the lower cover of the transfer disc, and the optical fiber is coiled on the first protruding post of the transfer disc.

According to another exemplary embodiment of the present utility model, a second protruding post is formed on the upper cover of the transfer plate, and the second protruding post is suitable for being inserted into the first protruding post. in the center hole.

According to another exemplary embodiment of the present utility model, the transfer plate further includes: an upper collar, adapted to be clamped on the periphery of the upper cover and the periphery of the upper opening of the cylindrical main body, so that The upper cover is clamped on the cylindrical main body; and a lower collar is adapted to be clamped on the peripheral edge of the lower cover and the peripheral edge of the lower opening of the cylindrical main body, so that the lower A cover is held on the cylindrical body.

According to another exemplary embodiment of the present invention, each of the upper collar and the lower collar has one end and the other end separated from each other, and the one end and the other end of the collar are separated from each other. One end is connected to each other through a buckle structure.

According to another exemplary embodiment of the present invention, the optical fiber fixing device includes: a fixing block, on which an optical fiber perforation is formed; and a fixing screw, screwed on the fixing block, wherein the The optical fiber is fixed in the optical fiber through hole of the fixing block through the fixing screw.

In the optical fiber laying method according to various embodiments of the present utility model, since the front end of the optical fiber is fixed in the fixing device of the transfer disc, after the optical fiber is coiled in the transfer disc, the optical fiber will not be confused and self-winding, The laying quality and efficiency of the optical fiber are improved.

Through the following description of the utility model with reference to the accompanying drawings, other purposes and advantages of the utility model will be apparent, and can help to have a comprehensive understanding of the utility model.

Description of drawings

FIG. 1A shows a schematic diagram of a first section of an optoelectronic hybrid cable and a second section of an optoelectronic hybrid cable separated from each other according to an exemplary embodiment of the present invention;

Fig. 1B shows a schematic diagram of a first segment of an optical-electrical hybrid cable and a second segment of an optical-electrical hybrid cable that are identically connected together according to an exemplary embodiment of the present invention;

Fig. 2A shows a cross-sectional view of the first segment of the optical-electrical hybrid cable or the second segment of the optical-electrical hybrid cable according to an exemplary embodiment of the present invention, wherein the optical fiber is not inserted into the first segment of the optical-electrical hybrid cable or the second segment In the optical fiber containing tube of the optical hybrid cable;

Fig. 2B shows a cross-sectional view of the first segment of the optical-electrical hybrid cable or the second segment of the optical-electrical hybrid cable according to an exemplary embodiment of the present invention, wherein an optical fiber has been inserted into the first segment of the optical-electrical hybrid cable or the second segment In the optical fiber containing tube of the optical hybrid cable;

3A to 3N show schematic diagrams of laying a continuous long optical fiber into a multi-section optical-electrical hybrid cable;

Fig. 4 shows an exploded schematic view of a turntable according to an exemplary embodiment of the present invention;

Figure 5 shows an enlarged schematic view of the upper collar or the lower collar of the intermediate turntable in Figure 4; and

FIG. 6 shows an enlarged schematic view of the cylindrical body of the intermediate turntable in FIG. 4 .

Detailed ways

The technical solutions of the present utility model will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals designate the same or similar components. The following descriptions of the embodiments of the utility model with reference to the accompanying drawings are intended to explain the overall utility model concept of the utility model, and should not be construed as a limitation of the utility model.

In addition, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a comprehensive understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

According to a general technical idea of the utility model, a method for laying an optical fiber is provided, which is used for laying a continuous optical fiber into the optical fiber containing tube of a multi-section optical-electrical hybrid cable, the length of the continuous optical fiber is greater than that of each section The length of the optical-electrical hybrid cable, the method comprising the following steps:

and

S200: Use air blowing equipment to lay the remaining optical fibers that have passed through the previous section of the optical-electrical hybrid cable into the optical fiber containing tube of the next section of the optical-electrical hybrid cable, wherein

The step S100 includes the following steps:

S110: After the front end of the optical fiber is exposed from the outlet of the optical fiber containing tube of the section of optical-electrical hybrid cable, fix the front end of the optical fiber into a turntable; and

S120: Coil the remaining optical fibers passing through the length of the optical-electrical hybrid cable in the one transfer tray until the optical fiber laying of the optical fiber containing tube of the length of optical-electrical hybrid cable is completed,

The step S200 includes the following steps:

S210: untie the front end of this optical fiber from the previous transfer tray; and

S220: Lay the remaining optical fiber coiled in the previous transfer tray into the optical fiber containing tube of the next optical-electrical hybrid cable by using an air blowing device.

FIG. 1A shows a schematic diagram of a first section of an optical-electrical hybrid cable 100 and a second section of an optical-electrical hybrid cable 200 separated from each other according to an exemplary embodiment of the present invention; FIG. 1B shows an exemplary embodiment according to the present utility model. A schematic diagram of the first segment of the optical-electrical hybrid cable 100 and the second segment of the optical-electrical hybrid cable 200 that are connected together in the same embodiment.

As shown in FIG. 1A and FIG. 1B , each length of optical-electrical hybrid cable 100 , 200 has at least one power cable 110 , 210 and at least one optical fiber containing tube 120 , 220 .

As shown in FIG. 1B , the two sections of optical-electrical hybrid cables 100 and 200 can be electrically connected to each other through a cable connector 40 , which can be a common metal crimping connector.

As shown in FIG. 1B, a continuous optical fiber 120 is threaded into and accommodated in two corresponding optical fiber containing tubes 120, 220 of two sections of optical-electrical hybrid cables 100, 200, and the two optical fiber containing tubes 120, 220 pass through A pipe joint 30 is butted together.

How to lay a continuous optical fiber 120 in two corresponding optical fiber containing tubes 120 , 220 of the two optical-electrical hybrid cables 100 , 200 will be described in detail below.

FIG. 2A shows a cross-sectional view of the first section of the optical-electrical hybrid cable 100 or the second section of the optical-electrical hybrid cable 200 according to an exemplary embodiment of the present invention, wherein the optical fiber 130 is not inserted into the first section of the optical-electrical hybrid cable 100 Or in the fiber containing tubes 120, 220 of the second section of the optical-electrical hybrid cable 200; FIG. 2B shows the first section of the optical-electrical hybrid cable 100 or the second section of the optical-electrical hybrid cable 200 according to an exemplary embodiment of the present invention , wherein the optical fiber 130 has been inserted into the optical fiber containing tube 120, 220 of the first segment of the optical-electrical hybrid cable 100 or the second segment of the optical-electrical hybrid cable 200.

As shown in Fig. 2A and Fig. 2B, in an exemplary embodiment of the present utility model, the first segment photoelectric hybrid cable 100 and the second segment photoelectric hybrid cable 200 have the same internal structure, but the utility model Not limited to the illustrated embodiment, the first segment of the optical-electrical hybrid cable 100 and the second segment of the optical-electrical hybrid cable 200 may also have different internal structures.

Please continue to refer to FIG. 2A and FIG. 2B , in the illustrated embodiment, the first segment of optical-electrical hybrid cable 100 includes three first power cables 110 and three first optical fiber containing tubes 120 . As clearly shown in FIG. 2A , the three first power cables 110 are intertwined, and the outer circles of the three first power cables 110 are tangent to each other. A layer of first metal shielding layer 102 is wound outside the three first power cables 110 , and the gap between the first metal shielding layer 102 and the three first power cables 110 is filled with insulating filling material 101 . When manufacturing the first segment of optical-electrical hybrid cable 100 , three first optical fiber containing tubes 120 are buried in the insulating filling material 101 .

In the embodiment shown in FIG. 2B , the first section of optical-electrical hybrid cable 100 further includes a first insulating layer 103 wrapped outside the first metal shielding layer 102 , and a second metal shield wrapped outside the first insulating layer 103 The shielding layer 104 and the outer sheath layer 105 wrapped outside the second metal shielding layer 104 . As shown in FIG. 2A , each first power cable 110 includes a conductor core 111 , an insulating material layer (not shown) wrapped outside the conductor core 111 , and a metal shielding layer (not shown) wrapped outside the insulating material layer.

Similarly, in the embodiment shown in FIG. 2A and FIG. 2B , the second segment of optical-electrical hybrid cable 200 includes three second power cables 210 and three second optical fiber receiving tubes 220 . As clearly shown in FIG. 2A , the three second power cables 210 are intertwined, and the outer circles of the three second power cables 210 are tangent to each other. A layer of first metal shielding layer 202 is wound outside the three second power cables 210 , and the gap between the first metal shielding layer 202 and the three second power cables 210 is filled with insulating filling material 201 . When manufacturing the second optical-electrical hybrid cable 200 , three second optical fiber containing tubes 220 are buried in the insulating filling material 201 .

In the embodiment shown in FIG. 2A , the second optical-electrical hybrid cable 200 further includes a first insulating layer 203 wrapped outside the first metal shielding layer 202 , and a second metal shield wrapped outside the first insulating layer 203 The shielding layer 204 and the outer sheath layer 205 wrapped outside the second metal shielding layer 204 . As shown in FIG. 2A , each second power cable 210 includes a conductor core 211 , an insulating material layer (not shown) wrapped outside the conductor core 211 , and a metal shielding layer (not shown) wrapped outside the insulating material layer.

Please note that the structure of the optical-electrical hybrid cable 200 of the present utility model is not limited to the foregoing illustrated embodiment, for example, each section of the optical-electrical hybrid cable may include one, two, four or more optical fiber containing tubes, or may Includes one, two, four or more power cables.

How to lay a continuous long optical fiber 130 into the optical fiber containing tubes 120 , 220 of the multi-section optical-electrical hybrid cables 100 , 200 will be described in detail below with reference to FIGS. 3A to 3N .

First, as shown in FIG. 3A , multiple sections of optical-electrical hybrid cable 100, 200 are provided, for example, in the illustrated embodiment, a first section of optical-electrical hybrid cable 100 and a second section of optical-electrical hybrid cable 200 are provided;

Then, as shown in FIG. 3B , a continuous long optical fiber 130 coiled in an optical fiber reel 400 is blown into a first optical fiber containing tube 120 of the first section of optical-electrical hybrid cable 100 with an air blowing device 500;

Then, as shown in FIG. 3C and FIG. 3D, after the front end 130a of this optical fiber 130 is exposed from the outlet of the first optical fiber holding tube 120, the front end 130a of this optical fiber 130 is fixed to an optical fiber fixing device 331 of a turntable 300 superior;

Then, as shown in FIG. 3E , continue to blow this optical fiber 130 in the first optical fiber containing tube 120, and coil the remaining optical fiber 130 passing through the first optical fiber containing tube 120 on the lower cover of the turntable 300 while blowing. 310 formed on a first protruding post 311, until the optical fiber laying of the first optical fiber containing tube 120 of the first section of optical hybrid cable 100 is completed;

Then, as shown in Fig. 3F and Fig. 3G, the optical fiber 130 is moved into the slit 332 of the cylindrical main body 330 of the intermediary disk 300, and the upper cover 320 of the intermediary disk 300 is covered on the cylindrical main body 330, and the The ring 323 clamps the upper cover 310 on the cylindrical body 330. At this time, the second protruding column 321 formed on the upper cover 320 is inserted into the central hole of the first protruding column 311 on the lower cover 310;

Then, as shown in FIG. 3H and FIG. 3I , the transfer plate 300 is turned over 180 degrees so that the bottom of the transfer plate 300 faces upward;

Then, as shown in FIG. 3J , untie the lower collar 313, open the lower cover 310 of the intermediate disk 300 from the intermediate disk 300, and untie the front end 130a of the optical fiber 130 from the optical fiber fixing device 331 of the intermediate disk 300;

Then, as shown in FIG. 3K , the remaining optical fiber 130 coiled in the turntable 300 is blown to the second optical fiber containing tube 220 of the second section of optical-electrical hybrid cable 200 with an air blowing device 500;

Then, as shown in FIG. 3L and FIG. 3M, after the front end 130a of this optical fiber 130 is exposed from the outlet of the second optical fiber holding tube 120, the front end 130a of this optical fiber 130 is fixed to the optical fiber fixing of the next turntable 300' on device 331';

Then, as shown in FIG. 3N , continue to blow this optical fiber 130 into the second optical fiber containing tube 220, and coil the remaining optical fiber 130 passing through the second optical fiber containing tube 220 in the turntable 300' while blowing, Until the optical fiber laying of the second optical fiber containing tube 220 of the second section of optical-electrical hybrid cable 200 is completed;

Then, repeat the steps shown in FIG. 3F to FIG. 3N , so as to lay the continuous optical fiber 130 into the optical fiber containing tube of the third section of optical-electrical hybrid cable (not shown).

In this way, a continuous length of optical fiber 130 can be laid into a plurality of corresponding optical fiber containing tubes of a multi-section optical-electrical hybrid cable.

In an exemplary embodiment of the present utility model, after this continuous optical fiber 130 is laid in the two optical fiber containing tubes 120,220 of two adjacent optical-electrical hybrid cables 100,200, use the pipe joint 30 to The two fiber containing tubes 120, 220 are butted together.

In an exemplary embodiment of the present invention, before the optical fiber 130 is laid by the air blowing device 500 , the power cables 110 , 210 of the multi-section optical-electrical hybrid cables 100 , 200 are electrically connected together by the cable connector 40 .

In an exemplary embodiment of the present invention, the air blowing device 500 may be an air compressor.

FIG. 4 shows an exploded schematic diagram of an intermediate turntable 300 according to an exemplary embodiment of the present invention.

In an exemplary embodiment of the present utility model, the transfer plate mainly includes: a cylindrical main body 330 with an upper opening and a lower opening; an upper cover 320 for covering the upper opening of the cylindrical main body 330; and a lower cover 310 , used to cover the lower opening of the cylindrical main body 330 . As shown in FIG. 4 , an optical fiber fixing device 331 is disposed on the inner wall of the cylindrical body 330 for fixing the front end 130 a of the optical fiber 130 on the cylindrical body 330 .

In an embodiment of the present invention, the fiber fixing device 331 is disposed on the bottom inner wall of the cylindrical main body 330 close to the lower cover 310 . A slit 332 is formed on the peripheral wall of the cylindrical body 330 so that the optical fiber 130 can move from the upper side to the lower side of the cylindrical body 330 through the slit 332 . In this way, when the turntable 300 is turned over, the optical fiber 130 can move from the upper side to the lower side of the cylindrical body 330 through the slit 332 .

In an embodiment of the present utility model, as shown in FIG. Go up the pillar 311. A second protruding post 321 is formed on the upper cover 320 of the transfer plate 300 , and the second protruding post 321 is adapted to be inserted into the central hole of the first protruding post 311 .

In an embodiment of the present utility model, as shown in FIG. 4 , the intermediate turntable 300 further includes: an upper collar 323 adapted to be clamped on the peripheral edge 320a of the upper cover 320 and the upper opening of the cylindrical main body 330 on the peripheral edge 330a of the lower cover 310 and the peripheral edge 330b of the lower opening of the cylindrical main body 330 so that the upper cover 320 is clamped on the cylindrical main body 330; The lower cover 310 is clamped on the cylindrical main body 330 .

FIG. 5 shows an enlarged schematic view of the upper collar 323 or the lower collar 313 of the intermediate turntable 300 in FIG. 4 .

As shown in Figure 5, in an exemplary embodiment of the present utility model, each collar 313,323 in the upper collar 323 and the lower collar 313 has one end and the other end separated from each other, the collar 313, One end and the other end of 323 separated from each other are connected to each other through buckle structures 313a, 323a, 313b, 323b.

For example, in the illustrated embodiment, a hook 313 a , 323 a is formed on one end of the collar 313 , 323 , and a hook 313 b , 323 b is formed on the other end of the collar 313 , 323 . In this way, after the collars 313, 323 are set on the upper cover 320 and the cylindrical body 330 or on the lower cover 310 and the cylindrical main body 330, the hooks 313a, 323a can be snapped into the slots 313b, 323b, Thus, the collars 313 and 323 are locked on the upper cover 320 and the cylindrical body 330 or on the lower cover 310 and the cylindrical main body 330 , thereby firmly holding the upper cover 320 or the lower cover 310 on the cylindrical main body 330 .

FIG. 6 shows an enlarged schematic view of the cylindrical body 330 of the intermediate turntable 300 in FIG. 4 .

In one embodiment of the present invention, as shown in FIG. 6 , the fiber fixing device 331 in the cylindrical body 330 mainly includes a fixing block 331 a and a fixing screw 331 c screwed on the fixing block 331 a. An optical fiber through hole 331b is formed on the fixing block 331a. The front end 130a of the optical fiber 130 can pass into the optical fiber through hole 331b. After the front end 130a of the optical fiber 130 penetrates in the optical fiber through hole 331b, tighten the fixing screw 331c, like this, the top of the fixing screw 331c will firmly squeeze the front end 130a of the optical fiber 130 in the optical fiber through hole 331b of the fixing block 331a.

Please note that the optical fiber fixing device 331 of the present invention is not limited to the illustrated embodiment, and may also be other suitable fixing devices, for example, an elastic clip.

Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can improve them, and the structures described in various embodiments do not conflict with each other in terms of structure or principle Can be combined freely.

Although the utility model has been described in conjunction with the drawings, the embodiments disclosed in the drawings are intended to illustrate the preferred implementation of the utility model, and should not be construed as a limitation of the utility model.

While certain embodiments of the present general inventive concept have been shown and described, those of ordinary skill in the art will appreciate that changes may be made to these embodiments without departing from the principles and spirit of the present general inventive concept, the present invention The scope of the utility model is defined by the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Additionally, any element references in the claims should not be construed as limiting the scope of the present invention.

Claims (8)

1. A turntable for coiling optical fibers, comprising: a cylindrical body (330) having an upper opening and a lower opening; An upper cover (320), used to cover the upper opening of the cylindrical main body (330); and The lower cover (310) is used to cover the lower opening of the cylindrical main body (330), wherein An optical fiber fixing device (331) is arranged on the inner wall of the cylindrical main body (330) for fixing the front end (130a) of the optical fiber (130) on the cylindrical main body (330). 2. The transfer table according to claim 1, characterized in that: The optical fiber fixing device (331) is arranged on the bottom inner wall of the cylindrical main body (330) close to the lower cover (310). 3. The transfer table according to claim 2, characterized in that: A slit (332) is formed on the peripheral wall of the cylindrical body (330), so that the optical fiber (130) can move from the upper side to the lower side of the cylindrical body (330) through the slit (332). side. 4. The transfer table according to claim 3, characterized in that: A first protruding post (311) is formed on the lower cover (310) of the intermediate turntable (300), and The optical fiber (130) is coiled on the first protruding column (311) of the intermediate disc (300). 5. The transfer table according to claim 4, characterized in that: A second protruding post (321) is formed on the upper cover (320) of the intermediate turntable (300), and The second protruding post (321) is adapted to be inserted into the central hole of the first protruding post (311). 6. The transfer tray according to claim 5, characterized in that, the transfer tray (300) further comprises: An upper collar (323), adapted to be clamped on the peripheral edge (320a) of the upper cover (320) and the upper opening peripheral edge (330a) of the cylindrical main body (330), so that the upper cover (320) snapped onto said cylindrical body (330); and A lower collar (313), adapted to be clamped on the peripheral edge (310a) of the lower cover (310) and the lower opening peripheral edge (330b) of the cylindrical body (330), so that the lower cover (310) is clamped on the cylindrical body (330). 7. The transfer table according to claim 6, characterized in that: Each collar (313, 323) in the upper collar (323) and the lower collar (313) has one end and the other end separated from each other, and the mutually separated ends of the collar (313, 323) One end and the other end are connected to each other through buckle structures (313a, 323a, 313b, 323b). 8. The transfer table according to claim 1, characterized in that: The optical fiber fixing device (331) includes: a fixing block (331a) on which an optical fiber through hole (331b) is formed; and a fixing screw (331c), threaded on said fixing block (331a), Wherein, the optical fiber (130) is fixed in the optical fiber through hole (331b) of the fixing block (331a) through the fixing screw (331c).