Bundling pipe and bundling pipe limiting structure

Abstract

The invention relates to the technical field of communication optical cable protection, and provides a cluster pipe and a cluster pipe limiting structure, the cluster pipe comprises a protection sleeve and a core sleeve, a plurality of heat insulation arc sheets are arranged in the protection sleeve, the heat insulation arc sheets are arranged around the central axis of the protection sleeve at intervals, the two sides of each heat insulation arc sheet are connected to the inner circumferential wall of the protection sleeve, and the core sleeve is arranged in the protection sleeve. A first cavity is formed between the inner arc surface of the heat insulation arc sheet and the inner peripheral wall of the protective sleeve; a second cavity is formed among the outer arc surfaces of the plurality of heat insulation arc sheets, the core sleeve is arranged in the second cavity, a third cavity is formed in the core sleeve, and the first cavity and the third cavity are both used for laying optical cables; the outer arc face of each heat insulation arc piece is provided with a heat conduction arc piece in an attached mode, the two sides of each heat conduction arc piece are connected to the inner circumferential wall of the protection sleeve, and the outer arc face of each heat conduction arc piece abuts against the outer circumferential wall of the core sleeve. According to the bundling pipe, the heat dissipation effect of the bundling pipe can be improved.

Description

Technical Field

[0001] This application relates to the technical field of communication optical cable protection, and particularly to a bundled tube and a bundled tube limiting structure. Background Art

[0002] With the rapid development of the communication industry, communication optical cables are widely used in various fields; a bundled tube is a protective sleeve for integrating a certain number of communication optical cables, which is used to reduce the area occupied by each communication optical cable, reduce the excavation space required during optical cable laying, shorten the construction period and reduce the construction cost.

[0003] In the prior art, the bundled tube includes a protective sleeve and a solid column disposed inside the protective sleeve. An installation cavity for laying optical cables is provided inside the solid column, and the number of installation cavities is set to be multiple to achieve the integration of a certain number of communication optical cables. However, in actual application, such a bundled tube has a problem of poor heat dissipation effect. When the optical cable is in use, if the heat is not dissipated in time, it is easy to cause damage to the optical cable and reduce the communication quality. Therefore, further improvement is needed. Summary of the Invention

[0004] In order to improve the heat dissipation effect of the bundled tube, this application provides a bundled tube and a bundled tube limiting structure.

[0005] In a first aspect, a bundled tube provided by this application adopts the following technical solution: A bundled tube includes a protective sleeve and a core sleeve. A plurality of heat insulation arc pieces are arranged inside the protective sleeve at intervals around the central axis of the protective sleeve. Both sides of each heat insulation arc piece are connected to the inner peripheral wall of the protective sleeve, and a first chamber is formed between the inner arc surface of the heat insulation arc piece and the inner peripheral wall of the protective sleeve; a second chamber is formed between the outer arc surfaces of the plurality of heat insulation arc pieces. The core sleeve is disposed in the second chamber, and a third chamber is formed inside the core sleeve. Both the first chamber and the third chamber are used for laying optical cables; a heat conduction arc piece is attached to the outer arc surface of each heat insulation arc piece. Both sides of the heat conduction arc piece are connected to the inner peripheral wall of the protective sleeve, and the outer arc surface of the heat conduction arc piece abuts against the outer peripheral wall of the core sleeve.

[0006] By adopting the above technical solution, the heat insulation arc plates divide the inside of the protective sleeve into multiple first chambers, enabling the heat generated when the optical cable transmits signals in the first chambers to diffuse directly outward as much as possible, and reducing the possibility of the heat generated in the first chambers being transferred into the second chambers. After the heat generated in the third chamber is transferred to the second chamber, it is quickly conducted to the protective sleeve under the action of the heat conduction arc plates and diffuses outward through the protective sleeve. That is, the arrangement of the heat insulation arc plates isolates the optical cables in the first chamber and the optical cables in the third chamber, reducing the possibility of the heat generated when the two optical cables are used from flowing to each other, thereby increasing the speed of the heat diffusion from the core part of the bundle tube to the outside and improving the heat dissipation effect of the overall structure.

[0007] Optionally, heat conduction strips are provided on the outer arc surfaces of each of the heat conduction arc plates. The heat conduction strips have heat conduction arc surfaces, and the heat conduction arc surfaces of the heat conduction strips abut against the outer peripheral wall of the core sleeve.

[0008] By adopting the above technical solution, the heat conduction arc surfaces of the heat conduction strips increase the contact area between the heat conduction arc plates and the surface of the core sleeve. On the one hand, it improves the overall structural stability of the core sleeve, and on the other hand, it increases the contact area, enabling the heat conduction arc plates to quickly absorb the heat of the core sleeve and export the heat to the outside in a timely manner, thereby improving the heat dissipation effect of the overall structure.

[0009] In a second aspect, a bundle tube limiting structure provided by the present application adopts the following technical solution: A bundle tube limiting structure includes a mounting bracket, a mounting disc, and the above-mentioned bundle tube. The mounting disc is arranged on the mounting bracket. An embedding groove for embedding the bundle tube is formed on the outer peripheral wall of the mounting disc. A plurality of the embedding grooves are arranged around the central axis of the mounting disc. The mounting disc is provided with a limiting component, and the limiting component forces the bundle tube to remain embedded in the embedding groove.

[0010] By adopting the above technical solution, a plurality of bundle tubes are sequentially embedded in different embedding grooves of the mounting disc, and the bundle tubes are limited by the limiting component, so that the plurality of bundle tubes are sequentially installed on the mounting disc, and thus the bundle tubes are fixed on the mounting bracket through the mounting disc. The arrangement of the mounting disc can, on the one hand, integrate a plurality of bundle tubes and improve the laying neatness between the plurality of bundle tubes; on the other hand, while integrating the plurality of bundle tubes, the mounting disc can separate the plurality of bundle tubes, leaving gaps between the bundle tubes to avoid contact between the plurality of bundle tubes, so as to improve the heat dissipation effect of the overall structure.

[0011] Optionally, the limiting component includes a sliding seat, a return spring, a first limiting member, and a second limiting member. The sliding seat is slidably mounted on the surface of the mounting plate. The return spring is disposed between the sliding seat and the mounting plate. The return spring forces the sliding seat to displace towards the notch of the embedding groove. When the cable duct bundle is embedded into the embedding groove, the cable duct bundle forces the sliding seat to sink to the bottom of the embedding groove. The first limiting member and the second limiting member are both disposed on the mounting plate. When the sliding seat sinks to the bottom of the embedding groove, the first limiting member closes the notch of the embedding groove, and the second limiting member forces the sliding seat to remain at the bottom of the embedding groove.

[0012] By adopting the above technical solution, when the cable duct bundle is embedded into the embedding groove, the sliding seat is pressed by the cable duct bundle, forcing the sliding seat to sink to the bottom of the embedding groove. At this time, the second limiting member limits the position of the sliding seat, forcing the sliding seat to remain at the bottom of the embedding groove. At the same time, the first limiting member can close the notch of the embedding groove, thereby limiting the cable duct bundle in the embedding groove and realizing the connection between the cable duct bundle and the mounting plate, improving the installation convenience of the overall structure.

[0013] Optionally, an abutting arc surface is formed on the plate surface of the sliding seat. The abutting arc surface is used to abut against the outer peripheral wall of the cable duct bundle, and a plurality of ventilation holes are formed in the abutting arc surface.

[0014] Optionally, the first limiting member includes a limiting cam and a connecting strip. The limiting cam is rotatably mounted on the surface of the mounting plate and is located on one side of the embedding groove. One end of the connecting strip is connected to the sliding seat, and the other end extends towards one side of the limiting cam. Two first docking posts are provided on the outer peripheral wall of the limiting cam. A second docking post is provided at the end of the connecting strip away from the sliding seat. The end of the second docking post away from the connecting strip extends between the two first docking posts. When the sliding seat sinks to the bottom of the embedding groove, the second docking post drives the limiting cam to swing through the first docking post, so that the limiting cam blocks the notch of the embedding groove.

[0015] By adopting the above technical solution, after the cable duct bundle is embedded into the embedding groove, the sliding seat is pressed. The connecting strip of the sliding seat pushes one of the first docking posts of the limiting cam through the second docking post, thereby forcing the limiting cam to swing to block the notch of the embedding groove, so as to limit the cable duct bundle in the embedding groove and improve the installation convenience between the cable duct bundle and the mounting plate.

[0016] Optionally, the second limiting member includes a limiting sleeve, a sliding rod and a torsion spring. The limiting sleeve is rotatably installed on the surface of the mounting plate and is coaxially arranged with the mounting plate. A plugging groove is formed on the outer peripheral wall of the limiting sleeve. The two ends of the sliding rod extend along the radial direction of the mounting plate. One end of the sliding rod is connected to the sliding seat. When the sliding seat sinks to the bottom of the embedding groove, the sliding rod penetrates through the plugging groove. A clamping groove is formed on the side wall of the sliding rod. The torsion spring is installed between the limiting sleeve and the mounting plate, and the torsion spring forces the limiting sleeve to be embedded into the clamping groove.

[0017] By adopting the above technical solution, the bundled tube is embedded into the embedding groove and presses the sliding seat, forcing the sliding rod to insert into the plugging groove of the limiting sleeve. When the sliding seat sinks to the bottom of the embedding groove, the limiting sleeve rotates under the action of the torsion spring, so that the limiting sleeve is clamped into the clamping groove, realizing the fixation of the sliding rod and forcing the sliding seat to remain sunk at the bottom of the embedding groove. During disassembly, only need to drive the limiting sleeve to rotate a certain angle, forcing the limiting sleeve to disengage from the clamping groove, releasing the limiting effect on the sliding rod, enabling the sliding seat to reset, so that the bundled tube can be taken out, improving the disassembly and assembly convenience of the bundled tube.

[0018] Optionally, a first limiting hole and a second limiting hole are respectively formed on the outer peripheral wall of the limiting sleeve. The first limiting hole and the second limiting hole are oppositely arranged. The mounting bracket is provided with a third limiting hole. The limiting sleeve is connected with a limiting screw. The limiting screw sequentially passes through the first limiting hole, the second limiting hole and the third limiting hole and is connected with a limiting nut. The limiting nut is sleeved on the limiting screw and is in threaded connection with the limiting screw.

[0019] By adopting the above technical solution, after installing multiple bundled tubes on the mounting plate, the limiting screw is sequentially passed through the first limiting hole, the second limiting hole and the third limiting hole, and is locked by the limiting nut, realizing the installation of the mounting plate on the mounting bracket and improving the disassembly and assembly convenience between the mounting plate and the mounting bracket. On the other hand, after the limiting screw is connected with the mounting bracket, the rotation of the limiting sleeve is restricted, so that the limiting sleeve is forced to remain embedded in the clamping groove, so that the sliding seat remains sunk at the bottom of the embedding groove, improving the connection stability between the mounting plate and the bundled tube.

[0020] Optionally, a limiting ring is arranged on the outer peripheral wall of the limiting screw. The inner peripheral wall of the limiting ring forms a first limiting surface. A limiting block is arranged on the surface of the mounting plate. The limiting block is located on the side of the limiting ring away from the mounting bracket. The limiting block has a second limiting surface for the first limiting surface to abut against. When the limiting sleeve is driven to disengage from the clamping groove by the limiting screw and the limiting screw is pulled, the limiting ring abuts against the limiting block and the first limiting surface of the limiting ring moves to be opposite to the second limiting surface, and the torsion spring forces the first limiting surface to tightly abut against the second limiting surface to limit the swing of the limiting screw.

[0021] By adopting the above technical solution, when it is necessary to detach the bundled tube from the mounting plate, the limiting nut is detached, forcing the limiting screw to disengage from the third limiting hole. Then, hold the limiting screw and drive the limiting sleeve to rotate through the limiting screw, so that the limiting sleeve disengages from the clamping groove (at this time, the torsion spring is deformed and stores elastic force). Then, pull the limiting screw to force the limiting ring of the limiting screw to abut against the limiting block of the mounting plate. At this time, the first limiting surface faces the second limiting surface. Under the action of the torsion spring, the limiting sleeve has a rotational force for resetting, and this rotational force can make the first limiting surface abut tightly against the second limiting surface, that is, the limiting block limits the limiting screw through the limiting ring, preventing the rotational reset of the limiting sleeve, forcing the limiting sleeve to always remain disengaged from the clamping groove, thus facilitating the operator to detach the bundled tube and facilitating the subsequent installation of the bundled tube, greatly improving the operation convenience of the overall structure.

[0022] Optionally, an anti-slip pad is attached to the first limiting surface, and a plurality of anti-slip lines are provided on the second limiting surface.

[0023] By adopting the above technical solution, the anti-slip pad and the anti-slip lines are provided to increase the friction between the first limiting surface and the second limiting surface, so that the first limiting surface remains tightly abutted against the second limiting surface.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. By providing the heat insulation arc piece and the heat conduction arc piece, the heat insulation arc piece divides the inside of the protective sleeve into multiple first chambers, so that the heat generated when the optical cable transmits signals in the first chamber can be directly diffused out as much as possible, reducing the possibility of the heat generated in the first chamber being transferred into the second chamber. After the heat generated in the third chamber is transferred to the second chamber, it is quickly conducted to the protective sleeve under the action of the heat conduction arc piece and diffused out through the protective sleeve. That is, the heat insulation arc piece isolates the optical cable in the first chamber from the optical cable in the third chamber, reducing the possibility of the heat generated when the two optical cables are used from flowing to each other, thereby increasing the speed of heat diffusion from the core of the bundled tube to the outside and improving the heat dissipation effect of the overall structure; 2. By providing the limiting component, when the bundled tube is inserted into the embedding groove, the sliding seat is pressed by the bundled tube, forcing the sliding seat to sink to the bottom of the embedding groove. At this time, the second limiting member limits the position of the sliding seat, forcing the sliding seat to remain at the bottom of the embedding groove. At the same time, the first limiting member can close the notch of the embedding groove, thereby limiting the bundled tube in the embedding groove, realizing the connection between the bundled tube and the mounting plate, and improving the installation convenience of the overall structure; 3. By setting the limit ring and the limit block, when it is necessary to detach the beam tube from the mounting plate, detach the limit nut, force the limit screw to disengage from the third limit hole, then hold the limit screw, drive the limit sleeve to rotate through the limit screw, so that the limit sleeve disengages from the clamping groove (at this time, the torsion spring is deformed and has elastic force); then pull the limit screw, force the limit ring of the limit screw to abut against the limit block of the mounting plate. At this time, the first limit surface faces the second limit surface. Under the action of the torsion spring, the limit sleeve has a rotational force for resetting. This rotational force can make the first limit surface abut tightly against the second limit surface, that is, the limit block limits the limit screw through the limit ring, preventing the rotation and reset of the limit sleeve, forcing the limit sleeve to always remain disengaged from the clamping groove, thus facilitating the operator to detach the beam tube and facilitating the subsequent installation of the beam tube, greatly improving the operational convenience of the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is the schematic diagram of the overall structure of Embodiment 1; Figure 2 is the schematic diagram of the overall structure of Embodiment 2; Figure 3 is the schematic diagram of the structure of the mounting bracket shown in Embodiment 2; Figure 4 is the partial cross-sectional view of the limit assembly shown in Embodiment 2; Figure 5 is the partial cross-sectional view of the limit sleeve shown in Embodiment 2; Figure 6 is the partial cross-sectional view of the torsion spring shown in Embodiment 2; Figure 7 is the partial cross-sectional view of the limit ring shown in Embodiment 3; Figure 8 is Figure 7 the enlarged view of A in

[0026] Description of reference numerals: 1. protective sleeve; 11. heat insulation arc piece; 12. first chamber; 13. second chamber; 14. heat conduction arc piece; 15. heat conduction strip; 151. heat conduction arc surface; 2. core sleeve; 21. third chamber; 3. mounting bracket; 31. third limiting hole; 32. positioning block; 33. positioning area; 4. mounting disc; 41. embedding groove; 42. limiting block; 421. second limiting surface; 422. anti-slip pattern; 43. sliding groove; 44. fixing strip; 45. fixing column; 46. cutting surface; 5. limiting component; 51. sliding seat; 511. abutting arc surface; 512. ventilation hole; 513. inclined support surface; 52. return spring; 53. limiting cam; 531. first docking column; 54. connecting strip; 541. second docking column; 55. limiting sleeve; 551. inserting groove; 552. first limiting hole; 553. second limiting hole; 56. sliding rod; 561. clamping groove; 562. guiding surface; 57. torsion spring; 6. limiting screw; 61. limiting nut; 62. limiting ring; 621. first limiting surface; 622. anti-slip pad. Detailed implementation manners

[0027] The following is a further detailed description of the present application in conjunction with Figures 1-8 to further illustrate the present application.

[0028] Embodiment 1: The embodiment of the present application discloses a bunch tube.

[0029] Referring to Figure 1 , a bunch tube includes a protective sleeve 1 and a core sleeve 2. A plurality of arc-shaped heat insulation arc pieces 11 are installed on the inner wall of the protective sleeve 1. The plurality of heat insulation arc pieces 11 are arranged at intervals around the central axis of the protective sleeve 1. Both sides of each heat insulation arc piece 11 are fixedly connected to the inner peripheral wall of the protective sleeve 1. A first chamber 12 is formed between the inner arc surface of the heat insulation arc piece 11 and the inner peripheral wall of the protective sleeve 1. The protective sleeve 1 and the plurality of heat insulation arc pieces 11 form a plurality of first chambers 12; in this embodiment, the heat insulation arc piece 11 can be made of silica gel.

[0030] A second chamber 13 is formed between the outer arc surfaces of the plurality of heat insulation arc pieces 11. The core sleeve 2 is installed in the second chamber 13. A third chamber 21 is formed inside the core sleeve 2. Both the first chamber 12 and the third chamber 21 are used for laying optical cables (optical cables are not shown in the figure); The outer arc surface of each heat insulation arc piece 11 is fixedly attached with a heat conduction arc piece 14. Both sides of the heat conduction arc piece 14 are fixedly connected to the inner peripheral wall of the protective sleeve 1; in this embodiment, the heat conduction arc piece 14 can be made of EPDM rubber (i.e., ethylene propylene diene monomer rubber).

[0031] Referring to Figure 1, on the outer arc surface of each heat-conducting arc piece 14, a heat-conducting strip 15 is integrally formed. The side wall of the heat-conducting strip 15 away from the heat-conducting arc piece 14 forms a heat-conducting arc surface 151. In this embodiment, the heat-conducting arc surface 151 of the heat-conducting strip 15 abuts against the outer peripheral wall of the core sleeve 2, and the outer arc surface of the heat-conducting arc piece 14 abuts against the outer peripheral wall of the core sleeve 2 through the heat-conducting strip 15.

[0032] The implementation principle of Embodiment 1 of this application is as follows: The heat-insulating arc piece 11 divides the inside of the protective sleeve 1 to form a plurality of first chambers 12, so that the heat generated when the optical cable transmits signals in the first chamber 12 diffuses directly outward as much as possible, reducing the possibility of the heat generated in the first chamber 12 being transferred into the second chamber 13. After the heat generated in the third chamber 21 is transferred to the second chamber 13, under the action of the heat-conducting arc piece 14, it is quickly conducted to the protective sleeve 1 and diffused outward through the protective sleeve 1. That is, the setting of the heat-insulating arc piece 11 isolates the optical cable in the first chamber 12 from the optical cable in the third chamber 21, reducing the possibility of the heat generated when the two optical cables are used from flowing to each other, thereby increasing the speed of the heat in the core of the bundled tube diffusing outward and improving the heat dissipation effect of the overall structure.

[0033] Embodiment 2: This application embodiment also discloses a bundled tube limiting structure.

[0034] Referring to Figure 2 、 Figure 3 、 Figure 4 , a bundled tube limiting structure includes a mounting bracket 3, a mounting disc 4, and a bundled tube as in Embodiment 1. The mounting bracket 3 is used to be mounted on the side wall of a pipe gallery (not shown in the figure). The mounting bracket 3 can be mounted on the side wall of the pipe gallery in the form of bolt connection. A plurality of mounting brackets 3 are arranged at intervals along the length of the pipe gallery; the mounting disc 4 is mounted on the mounting bracket 3. An embedding groove 41 for embedding the bundled tube is formed on the outer peripheral wall of the mounting disc 4 (the internal structure of the bundled tube is not shown in this embodiment), and a plurality of embedding grooves 41 are arranged around the central axis of the mounting disc 4.

[0035] Referring to Figure 4 、 Figure 5 , the mounting disc 4 is provided with a limiting component 5. The limiting component 5 forces the bundled tube to remain embedded in the embedding groove 41, so that the bundled tube is mounted on the mounting bracket 3 through the mounting disc 4; the limiting component 5 includes a sliding seat 51, a return spring 52, a first limiting member, and a second limiting member. The sliding seat 51 is arranged on the surface of the mounting disc 4. The number of sliding seats 51 corresponds to the number of embedding grooves 41. A sliding groove 43 is formed on the surface of the mounting disc 4. A sliding block (not shown in the figure) is fixedly mounted on the side wall of the sliding seat 51 close to the mounting disc 4. The sliding block is slidably mounted in the sliding groove 43. The sliding seat 51 is slidably mounted on the surface of the mounting disc 4 through the sliding block, enabling the sliding seat 51 to displace between the notch of the corresponding embedding groove 41 and the bottom of the embedding groove 41.

[0036] A plurality of fixing bars 44 are fixedly installed on the surface of the installation disk 4. The plurality of fixing bars 44 are arranged corresponding to the plurality of sliding seats 51. Each fixing bar 44 is located on the side of the corresponding sliding seat 51 away from the notch of the embedding groove 41. One end of the return spring 52 is fixedly connected to the sliding seat 51, and the other end is fixedly connected to the fixing bar 44. Under normal conditions, the return spring 52 forces the sliding seat 51 to displace towards the notch of the embedding groove 41. When the bundle tube is embedded into the embedding groove 41, the bundle tube presses the sliding seat 51 and forces the sliding seat 51 to sink to the bottom of the embedding groove 41. The plate surface of the sliding seat 51 away from the corresponding fixing bar 44 forms an abutting arc surface 511 for abutting against the outer peripheral wall of the bundle tube. A plurality of air holes 512 are provided on the abutting arc surface 511.

[0037] Refer to Figure 4 、 Figure 5 Figure, the first limiting member and the second limiting member are both arranged on the installation disk 4. When the sliding seat 51 sinks to the bottom of the embedding groove 41, the first limiting member closes the notch of the embedding groove 41, and the second limiting member forces the sliding seat 51 to remain at the bottom of the embedding groove 41. The first limiting member includes a limiting cam 53 and a connecting bar 54. The limiting cam 53 is rotatably installed on the surface of the installation disk 4. One end of the connecting bar 54 is fixedly connected to the sliding seat 51, and the other end extends towards one side of the limiting cam 53.

[0038] Two first docking posts 531 are fixedly installed on the outer peripheral wall of the limiting cam 53. One end of the connecting bar 54 away from the sliding seat 51 is fixedly installed with a second docking post 541. One end of the second docking post 541 away from the connecting bar 54 extends between the two first docking posts 531. When the sliding seat 51 sinks to the bottom of the embedding groove 41, the second docking post 541 drives the limiting cam 53 to swing through one of the first docking posts 531, so that the limiting cam 53 blocks the notch of the embedding groove 41. When the sliding seat 51 displaces towards the notch of the embedding groove 41, the second docking post 541 drives the limiting cam 53 to swing through the other first docking post 531, so that the limiting cam 53 avoids the notch of the embedding groove 41.

[0039] It should be noted that in this embodiment, the number of limiting cams 53 corresponding to each embedding groove 41 is two. The two limiting cams 53 are symmetrically distributed on both sides of the embedding groove 41 to jointly open and close the notch of the embedding groove 41.

[0040] Refer to Figure 4 、 Figure 5 、 Figure 6, the second limiting member includes a limiting sleeve 55, a sliding rod 56 and a torsion spring 57. A fixing column 45 is coaxially fixed on the surface of the mounting plate 4. The limiting sleeve 55 is rotatably mounted on the outer peripheral wall of the fixing column 45, and the limiting sleeve 55 is rotatably mounted on the mounting plate 4 through the fixing column 45; the number of sliding rods 56 corresponds to the number of sliding seats 51. Both ends of each sliding rod 56 extend along the radial direction of the mounting plate 4. One end of the sliding rod 56 is fixedly connected to the side wall of the sliding seat 51 close to the fixing strip 44, and the other end passes through the corresponding fixing strip 44.

[0041] The outer peripheral wall of the limiting sleeve 55 is provided with insertion slots 551, and the number of insertion slots 551 corresponds to the number of sliding rods 56. When the sliding seat 51 sinks into the bottom of the embedding slot 41, the sliding rod 56 penetrates through the insertion slot 551; a clamping slot 561 is provided on the side wall of the sliding rod 56. The torsion spring 57 is sleeved on the outer peripheral wall of the fixing column 45. One end of the torsion spring 57 is fixedly connected to the limiting sleeve 55, and the other end is fixedly connected to the surface of the mounting plate 4. Under normal conditions, the torsion spring 57 forces the limiting sleeve 55 to be embedded in the clamping slot 561; one end of the sliding rod 56 away from the sliding seat 51 has a guiding surface 562 for driving the limiting sleeve 55 to rotate.

[0042] Refer to Figure 3 , the outer peripheral wall of the limiting sleeve 55 is respectively provided with a first limiting hole 552 and a second limiting hole 553. The first limiting hole 552 and the second limiting hole 553 are oppositely arranged. The mounting bracket 3 is provided with a third limiting hole 31; the limiting sleeve 55 is connected with a limiting screw 6. The limiting screw 6 sequentially passes through the first limiting hole 552, the second limiting hole 553 and the third limiting hole 31 and is connected with a limiting nut 61. The limiting nut 61 is sleeved on the limiting screw 6 and is threadedly connected with the limiting screw 6. The mounting plate 4 is detachably mounted on the mounting bracket 3 through the limiting screw 6 and the limiting nut 61.

[0043] Refer to Figure 3 , Figure 4 , the outer peripheral wall of the mounting plate 4 is provided with a cutting surface 46, and the cutting surface 46 is used for abutting against the upper surface of the mounting bracket 3. The upper surface of the mounting bracket 3 is provided with multiple groups of positioning members for positioning the mounting plate 4. The multiple groups of positioning members are arranged at intervals along the length direction of the mounting bracket 3; each group of positioning members includes a plurality of positioning blocks 32. The plurality of positioning blocks 32 are all fixedly mounted on the upper surface of the mounting bracket 3. A positioning area 33 is formed between the plurality of positioning blocks 32. The positioning area 33 is used for the cutting surface 46 of the mounting plate 4 to be embedded. When the cutting surface 46 of the mounting plate 4 is embedded in the positioning area 33 and abuts against the upper surface of the mounting bracket 3, the third limiting hole 31 is aligned with the first limiting hole 552 and the second limiting hole 553.

[0044] It should be noted that each sliding seat 51 has an inclined support surface 513. When all the sliding seats 51 sink to the bottom of the corresponding embedding groove 41, the inclined support surfaces 513 of two adjacent sliding seats 51 abut against each other.

[0045] The implementation principle of Embodiment 2 of this application is as follows: The installation disc 4 can, on the one hand, integrate multiple bundled tubes on the installation bracket 3 to improve the laying neatness among the multiple bundled tubes; on the other hand, while integrating the multiple bundled tubes, the installation disc 4 can separate the multiple bundled tubes to create a gap between the bundled tubes, preventing the multiple bundled tubes from contacting each other and thus improving the heat dissipation effect of the overall structure.

[0046] When the bundled tube is inserted into the embedding groove 41, the sliding seat 51 is pressed by the bundled tube, forcing the sliding seat 51 to sink to the bottom of the embedding groove 41. At this time, the sliding seat 51 pulls the limiting cam 53, forcing the limiting cam 53 to swing to block the notch of the embedding groove 41, thereby limiting the bundled tube within the embedding groove 41; meanwhile, the sliding rod 56 pushes the limiting sleeve 55 through the guiding surface 562, forcing the limiting sleeve 55 to rotate by a certain angle so that the sliding rod 56 can be inserted into the insertion groove 551. When the sliding seat 51 sinks to the bottom of the embedding groove 41, the limiting sleeve 55 is reset under the action of the torsion spring 57, so that the limiting sleeve 55 snaps into the clamping groove 561 of the sliding rod 56, realizing the fixation of the sliding rod 56, forcing the sliding seat 51 to remain sunk at the bottom of the embedding groove 41, and further keeping the limiting cam 53 blocking the notch of the embedding groove 41.

[0047] When disassembling the bundled tube, only need to drive the limiting sleeve 55 to rotate by a certain angle, forcing the limiting sleeve 55 to disengage from the clamping groove 561, releasing the limiting effect on the sliding rod 56, enabling the sliding seat 51 to reset, and then the bundled tube can be taken out, greatly improving the convenience of assembling and disassembling the bundled tube.

[0048] Embodiment 3: This application embodiment discloses a bundled tube limiting structure.

[0049] The difference between the bundled tube limiting structure disclosed in this application embodiment and Embodiment 2 lies in: Referring to Figure 7 、 Figure 8 , in this embodiment, a limiting ring 62 is coaxially fixed to the outer peripheral wall of the limiting screw 6. The limiting ring 62 is located within the limiting sleeve 55, and the inner peripheral wall of the limiting ring 62 forms a first limiting surface 621; a limiting block 42 is fixedly installed on the surface of the fixing column 45 of the installation disc 4. The limiting block 42 is located on the side of the limiting ring 62 away from the installation bracket 3. The limiting block 42 has a second limiting surface 421 for the first limiting surface 621 to abut against. An anti-slip pad 622 is attached to the first limiting surface 621, and a plurality of anti-slip lines 422 are provided on the second limiting surface 421.

[0050] When driving the limiting sleeve 55 to disengage from the clamping groove 561 by the limiting screw 6 and pulling the limiting screw 6, the limiting ring 62 abuts against the limiting block 42 and moves the first limiting surface 621 of the limiting ring 62 to face the second limiting surface 421, and the torsion spring 57 forces the anti-slip pad 622 on the first limiting surface 621 to tightly abut against the second limiting surface 421 to limit the swing of the limiting screw 6.

[0051] The implementation principle of Embodiment 3 of this application is as follows: When it is necessary to detach the bundled tube from the mounting plate 4, detach the limiting nut 61 to force the limiting screw 6 to disengage from the third limiting hole 31, then hold the limiting screw 6 and drive the limiting sleeve 55 to rotate through the limiting screw 6 to make the limiting sleeve 55 disengage from the clamping groove 561 (at this time, the torsion spring 57 is deformed and stores elastic force); then pull the limiting screw 6 to force the limiting ring 62 of the limiting screw 6 to abut against the limiting block 42 of the mounting plate 4. At this time, the first limiting surface 621 faces the second limiting surface 421. Under the action of the torsion spring 57, the limiting sleeve 55 has a rotational force for resetting. This rotational force can make the anti-slip pad 622 on the first limiting surface 621 tightly abut against the second limiting surface 421, that is, the limiting block 42 limits the limiting screw 6 through the limiting ring 62, preventing the rotational reset of the limiting sleeve 55, forcing the limiting sleeve 55 to always remain disengaged from the clamping groove 561, thereby facilitating the operator to detach the bundled tube and facilitating the subsequent installation of the bundled tube, greatly improving the operation convenience of the overall structure.

[0052] The above is the preferred embodiment of this application. It does not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A cluster tube, characterized in that: The invention comprises a protective sleeve (1) and a core sleeve (2), wherein a plurality of heat-insulating arc sheets (11) are arranged in the protective sleeve (1), and the plurality of heat-insulating arc sheets (11) are arranged at intervals around the central axis of the protective sleeve (1), and both sides of each of the heat-insulating arc sheets (11) are connected to the inner peripheral wall of the protective sleeve (1), and a first chamber (12) is formed between the inner arc surface of the heat-insulating arc sheet (11) and the inner peripheral wall of the protective sleeve (1); and a second chamber (12) is formed between the outer arc surfaces of the plurality of heat-insulating arc sheets (11). (13), the core sleeve (2) is arranged in the second chamber (13), and a third chamber (21) is formed inside the core sleeve (2), and the first chamber (12) and the third chamber (21) are both used for laying optical cables; the outer arc surface of each of the thermal insulation arc sheets (11) is fitted with a heat conductive arc sheet (14), both sides of the heat conductive arc sheet (14) are connected to the inner peripheral wall of the protective sleeve (1), and the outer arc surface of the heat conductive arc sheet (14) is in contact with the outer peripheral wall of the core sleeve (2).

2. A cluster tube according to claim 1, characterized in that: The outer arc surface of each of the heat-conducting arc sheets (14) is provided with a heat-conducting strip (15), the heat-conducting strip (15) having a heat-conducting arc surface (151), and the heat-conducting arc surface (151) of the heat-conducting strip (15) abuts against the outer peripheral wall of the core sleeve (2).

3. A cluster tube limiting structure, characterized in that: The invention comprises a mounting bracket (3), a mounting plate (4) and a cluster tube as claimed in any one of claims 1 to 2, wherein the mounting plate (4) is arranged on the mounting bracket (3), an outer peripheral wall of the mounting plate (4) is provided with an embedding groove (41) for embedding the cluster tube, a plurality of the embedding grooves (41) are arranged around the central axis of the mounting plate (4), and the mounting plate (4) is provided with a limiting component (5), and the limiting component (5) forces the cluster tube to remain embedded in the embedding groove (41).

4. The cluster tube limiting structure according to claim 3, characterized in that: The limiting assembly (5) comprises a sliding seat (51), a return spring (52), a first limiting member and a second limiting member. The sliding seat (51) is slidably mounted on the surface of the mounting plate (4). The return spring (52) is arranged between the sliding seat (51) and the mounting plate (4). The return spring (52) forces the sliding seat (51) to move toward the notch of the embedding groove (41). When the cluster tube is embedded in the embedding groove (41), the cluster tube forces the sliding seat (51) to sink into the bottom of the embedding groove (41). The first limiting member and the second limiting member are both arranged on the mounting plate (4). When the sliding seat (51) sinks into the bottom of the embedding groove (41), the first limiting member closes to the notch of the embedding groove (41), and the second limiting member forces the sliding seat (51) to remain at the bottom of the embedding groove (41).

5. The cluster tube limiting structure according to claim 4, characterized in that: The plate surface of the sliding seat (51) forms a contact arc surface (511), and the contact arc surface (511) is used to contact the outer peripheral wall of the cluster tube. The contact arc surface (511) is provided with a plurality of air holes (512).

6. The cluster tube limiting structure according to claim 4, characterized in that: The first limiting member comprises a limiting cam (53) and a connecting strip (54); the limiting cam (53) is rotatably mounted on the surface of the mounting plate (4) and is located on one side of the embedding groove (41); one end of the connecting strip (54) is connected to the sliding seat (51), and the other end is extended toward one side of the limiting cam (53); two first docking posts (531) are arranged on the outer peripheral wall of the limiting cam (53); one end of the connecting strip (54) away from the sliding seat (51) is provided with a second docking post (541); the second docking post (541) extends between the two first docking posts (531) away from the end of the connecting strip (54); when the sliding seat (51) sinks into the bottom of the embedding groove (41), the second docking post (541) drives the limiting cam (53) to swing through the first docking post (531), so that the limiting cam (53) blocks the notch of the embedding groove (41).

7. The cluster tube limiting structure according to claim 4, characterized in that: The second limiting member comprises a limiting sleeve (55), a sliding rod (56) and a torsion spring (57); the limiting sleeve (55) is rotatably mounted on the surface of the mounting plate (4) and is coaxially arranged with the mounting plate (4); an inserting groove (551) is provided on the outer peripheral wall of the limiting sleeve (55); two ends of the sliding rod (56) are extended along the radial direction of the mounting plate (4); one end of the sliding rod (56) is connected to the sliding seat (51); when the sliding seat (51) sinks into the bottom of the embedding groove (41), the sliding rod (56) is inserted into the inserting groove (551); a clamping groove (561) is provided on the side wall of the sliding rod (56); the torsion spring (57) is installed between the limiting sleeve (55) and the mounting plate (4); the torsion spring (57) forces the limiting sleeve (55) to be embedded in the clamping groove (561).

8. The cluster tube limiting structure according to claim 7, characterized in that: The outer wall of the limiting sleeve (55) is respectively provided with a first limiting hole (552) and a second limiting hole (553), the first limiting hole (552) and the second limiting hole (553) are arranged opposite to each other, and the mounting bracket (3) is provided with a third limiting hole (31); the limiting sleeve (55) is connected to a limiting screw (6), the limiting screw (6) passes through the first limiting hole (552), the second limiting hole (553) and the third limiting hole (31) in sequence and is connected to a limiting nut (61), the limiting nut (61) is sleeved on the limiting screw (6) and is threadedly connected to the limiting screw (6).

9. The cluster tube limiting structure according to claim 8, characterized in that: The outer peripheral wall of the limiting screw (6) is provided with a limiting ring (62), and the inner peripheral wall of the limiting ring (62) forms a first limiting surface (621); the surface of the mounting plate (4) is provided with a limiting block (42), and the limiting block (42) is located on the side of the limiting ring (62) away from the mounting bracket (3), and the limiting block (42) has a second limiting surface (421) for abutting against the first limiting surface (621). When the rod (6) drives the limiting sleeve (55) to disengage from the clamping groove (561) and pulls the limiting screw (6), the limiting ring (62) abuts against the limiting block (42) and causes the first limiting surface (621) of the limiting ring (62) to move to be opposite to the second limiting surface (421), and the torsion spring (57) forces the first limiting surface (621) to abut against the second limiting surface (421) to limit the swing of the limiting screw (6).

10. The cluster tube limiting structure according to claim 9, characterized in that: The first limiting surface (621) is fitted with an anti-skid pad (622), and the second limiting surface (421) is provided with a plurality of anti-skid grooves (422).

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