CN110556761B - Communication cable protection tube - Google Patents
Communication cable protection tube Download PDFInfo
- Publication number
- CN110556761B CN110556761B CN201910954957.2A CN201910954957A CN110556761B CN 110556761 B CN110556761 B CN 110556761B CN 201910954957 A CN201910954957 A CN 201910954957A CN 110556761 B CN110556761 B CN 110556761B
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- groove
- communication cable
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- 238000004891 communication Methods 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 70
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 4
- 238000005192 partition Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4459—Ducts; Conduits; Hollow tubes for air blown fibres
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0418—Covers or lids; Their fastenings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to a communication cable protection tube which comprises two tube bodies, a sealing clamping device, two sealing sleeves and a connecting tube, wherein the sealing clamping device is arranged between the two tube bodies, the two sealing sleeves are arranged at the front end and the rear end of the sealing clamping device, and the connecting tube is arranged at the right end of the sealing clamping device. The invention can solve the problems that the inside of the existing protection pipe is mostly of a cavity structure, cables are easily mixed together, harmonic interference and the like occur, the structural strength of the protection pipe of the cavity structure is low, the protection pipe is easily damaged when being buried in the ground and extruded, soil enters the inner wall of the protection pipe, when the protection pipe is damaged, the internal cables need to be cut off while the damaged protection pipe is cut off, the cables are reconnected after a new protection pipe is connected with a cut-off interface, the gap structure between the new protection pipe and the original protection pipe interface is unstable, the fracture situation easily occurs and the like.
Description
Technical Field
The invention relates to the field of communication cable protection, in particular to a communication cable protection tube.
Background
The communication cable, the general name of various wires that transmit electric signals or optical signals, when burying the communication cable in the ground, usually insert the communication cable in the protective tube of integral type structure and together bury underground, the setting of protective tube has avoided the direct contact of communication cable with soil, and the structure of integral type has improved the leakproofness of protective tube, but, the protective tube of integral type still has some problems:
1. most of the existing protection pipes are of cavity structures, cables are easily mixed together, harmonic interference and other conditions occur, the cavity structure protection pipe is low in structural strength, and the cavity structure protection pipe is easily damaged when being extruded after being buried in the ground, so that soil enters the inner wall of the protection pipe;
2. when the protection pipe is damaged, the damaged protection pipe is cut off, simultaneously, the internal cable needs to be cut off, after a new protection pipe is connected with the cut-off interface, the cable is reconnected, the process is complicated, the gap structure between the new protection pipe and the original protection pipe interface is unstable, and the situation of breakage is easy to occur.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a communication cable protection tube, includes two bodys, sealed latch device, two seal covers and connecting pipe, two bodys between be equipped with sealed latch device, both ends are equipped with a seal cover respectively around sealed latch device, sealed latch device's right-hand member is equipped with the connecting pipe.
The body include the arc pipe, a dashpot, a backup pad, buffer slot and No. two backup pads, a buffer slot has been seted up to the inside left and right sides symmetry of arc pipe, be equipped with a backup pad in the buffer slot, No. two buffer slots have been seted up at the arc pipe middle part, be equipped with No. two backup pads in No. two buffer slots, two arc pipes of arranging from top to bottom are closed the back and are protected the cable, a backup pad plays structural supporting role with two arc pipes that set up of No. two backup pads to closed, simultaneously, play spaced effect between the cable, avoid mixing together the condition that harmonic disturbed between the cable appears.
Sealed latch device include two and correspond the piece, two insert the piece, two air inlet columns and sealed gasbag, install two on the lower terminal surface of upside body and correspond the piece, and two correspond the piece and arrange around, install two on the up end of downside body and insert the piece, and two insert the piece and arrange around, every upper end of inserting the piece is equipped with air inlet column, air inlet column's outside parcel has sealed gasbag, concrete during operation, draw close two arc pipes together from top to bottom, hug closely together with the piece that inserts that corresponds, at this moment, be the overflow state in the sealed gasbag, make sealed gasbag bulge and insertingly laminate with the insertion groove inner wall, the leakproofness has been increased.
The inserting block comprises a lower end sealing block, an air cavity, two air pushing rods, a reset spring and a lower end embedded groove, the air cavity is formed in the lower end sealing block, the two air pushing rods are arranged at the front end and the rear end of the air cavity, the reset spring is connected between the lower end of the air pushing rod and the air cavity, and the lower end embedded groove is formed in the outer portion of the lower end sealing block.
The seal cover include joint support, flexible pipe and joint slider, the joint slider is installed to the inner symmetry of joint support, even have flexible pipe between the adjacent joint support, and the cross-section of flexible pipe is U type structure, concrete during operation, with the seal cover from the flaring department of upper end embedded groove, the flaring department of lower extreme embedded groove gets into, and the joint support of controlling arranging gets into from right side to left side in proper order, when the setting of seal cover has increased two arc pipe leakproofness after folding, the stability of the two intermediate structure has been increased.
The connecting pipe include the sleeve pipe, the positioning seat, two linking pipes, two sealing washers, two correspond the ring and two card income rings, the positioning seat is installed to the sheathed tube lower extreme, sheathed tube inside is equipped with two linking pipes, two linking pipes are for controlling arranging, the outer wall cover of linking pipe is equipped with the sealing washer, the inner outer wall of linking pipe is installed and is corresponded the ring, both ends are equipped with two card income rings about the sheathed tube, when concrete work, fix a position the connecting pipe in pre-buried hole through the positioning seat, it makes linking pipe move outward gradually to rotate linking pipe, the linking pipe that moves outward carries out threaded connection with two arc pipes after assembling, until card income ring card goes into to correspond intra-annular, the setting of sealing washer has improved the leakproofness between arc pipe and the linking pipe.
Preferably, the inner side of the arc-shaped pipe is provided with a heat-resistant layer, the outer side wall of the arc-shaped pipe is provided with a corrosion-resistant layer, and the left side and the right side of the outer wall of the arc-shaped pipe are provided with thread structures.
Preferably, the upper ends of the first supporting plate and the second supporting plate are clamping joints with the same structure and size, a spring buffer layer is arranged inside each clamping joint, and the inner end faces of the first supporting plate and the second supporting plate are in the same horizontal plane state.
Preferably, the corresponding block comprises an upper end sealing block, an insertion groove and an upper end embedded groove, the insertion groove is formed in the lower end of the upper end sealing block, the upper end embedded groove is formed in the outer portion of the upper end sealing block, and the structure and the size of the upper end embedded groove are identical to those of the lower end embedded groove.
Preferably, the outer end symmetry of upper end seal block be equipped with the screw hole board, and the screw hole board is located the lower extreme of upper end embedded groove, the lower extreme of upper end seal block is equipped with the rubber layer, the cross-section of insertion groove is T type structure, the left end of upper end embedded groove is flaring structure.
Preferably, the outer end of the lower end sealing block is symmetrically provided with a thread hole block, the thread hole block is positioned at the upper end of the lower end embedded groove, and the thread hole block corresponds to the thread hole plate in position.
Preferably, the middle part of the air inlet column is provided with a cavity, the cavity is communicated with the middle part of the air cavity, the air hole is formed in the outer part of the air inlet column, the air hole is communicated with the cavity, and the air hole is positioned in the air bag.
Preferably, the left end and the right end of the inner wall of the sleeve are provided with two sections of threads, the directions of the two sections of threads are opposite, the sleeve is in threaded connection with the corresponding ring, the outer end of the corresponding ring is provided with an annular clamping groove, the lower end of the positioning seat is uniformly provided with positioning columns, and the lower ends of the positioning columns are of conical structures.
Preferably, the middle part of the outer wall of the connecting pipe is provided with a screwing ring, the sealing ring is positioned on the outer side of the screwing ring, and the inner wall of the outer end of the connecting pipe is provided with a thread structure.
(II) advantageous effects
1. According to the communication cable protection tube, the two tube bodies are folded to protect the outer part of a cable, the sealing performance of the two folded tube bodies is improved in a multi-layer sealing mode, the cable in the damaged tube body is not required to be cut off, the structural stability of the communication cable protection tube is improved through the arrangement of the internal partition plate, the condition that the cable is damaged after being pressed is reduced, and the condition that the cable is mixed together is reduced to a certain extent due to the arrangement of the partition plate;
2. according to the communication cable protection tube, the first support plate and the second support plate of the partition plate are arranged inside the tube body, so that a plurality of complete partition plates are formed after the two tube bodies are folded, the structural stability of the two tube bodies after folding is improved, and harmonic interference occurring after cables are mixed is reduced;
3. according to the communication cable protection tube, after the gas pushing rod is pressed, gas is completely extruded into the sealing air bag, the overflowing sealing air bag is tightly attached to the inner wall of the insertion groove, and the gap between the two tube bodies is sealed for the second time through the sealing sleeve, so that the situation that the sealing performance is not reduced under the condition that the two tube bodies are detachable is ensured;
4. according to the communication cable protection tube, the ends of the two folded tube bodies are connected in a threaded mode through the connecting tube, so that the attaching degree of the two tube bodies is improved, and the connecting degree between the adjacent tube bodies is improved through the connection of the connecting tube.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view (from right to left) of the tube, the seal cartridge and the gland of the present invention;
FIG. 3 is a front elevational view of the tube of the present invention;
figure 4 is a schematic perspective view of the sealing sleeve of the invention;
FIG. 5 is a cross-sectional view (looking forward and rearward) of a connecting tube of the present invention;
fig. 6 is an enlarged view of a portion of the invention in the X-direction of fig. 2.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 6, a communication cable protection tube comprises two tube bodies 1, a sealing and clamping device 2, two sealing sleeves 3 and a connecting tube 4, wherein the sealing and clamping device 2 is arranged between the two tube bodies 1, the sealing sleeves 3 are respectively arranged at the front end and the rear end of the sealing and clamping device 2, and the connecting tube 4 is arranged at the right end of the sealing and clamping device 2.
Sealed latch device 2 include two and correspond the piece 21, two insert the piece 22, two air inlet column 23 and sealed gasbag 24, install two on the lower terminal surface of upside body 1 and correspond piece 21, and two correspond piece 21 and arrange around, install two on the up end of downside body 1 and insert piece 22, and two insert piece 22 and arrange around, every upper end of inserting piece 22 is equipped with air inlet column 23, air inlet column 23's outside parcel has sealed gasbag 24, when specifically working, draw close two arc pipes 11 from top to bottom together, until corresponding piece 21 and the corresponding piece 22 that inserts hug closely together, at this moment, be the overflow state in the sealed gasbag 24, make sealed gasbag 24 swell and insert the insertible laminating of groove 212 inner wall, the leakproofness has been increased.
The insert block 22 comprises a lower end sealing block 221, an air cavity 222, two air pushing rods 223, a return spring 224 and a lower end embedding groove 225, the air cavity 222 is formed in the lower end sealing block 221, the two air pushing rods 223 are arranged at the front end and the rear end of the air cavity 222, the return spring 224 is connected between the lower end of the air pushing rods 223 and the air cavity 222, and the lower end embedding groove 225 is formed in the outer portion of the lower end sealing block 221.
The connecting pipe 4 comprises a sleeve 41, a positioning seat 42, two connecting pipes 43, two sealing rings 44, two corresponding rings 45 and two clamping rings 46, the positioning seat 42 is installed at the lower end of the sleeve 41, the two connecting pipes 43 are arranged inside the sleeve 41, the two connecting pipes 43 are arranged left and right, the sealing rings 44 are sleeved on the outer walls of the connecting pipes 43, the corresponding rings 45 are installed on the outer walls of the inner ends of the connecting pipes 43, the two clamping rings 46 are arranged at the left end and the right end of the sleeve 41, during specific work, the connecting pipe 4 is positioned in an embedded pit through the positioning seat 42, the connecting pipes 43 are gradually moved outwards by rotating the connecting pipes 43, the outwards moved connecting pipes 43 are in threaded connection with the two closed arc-shaped pipes 11, and the sealing rings 44 are arranged to improve the sealing performance between the arc-shaped pipes 11 and the connecting pipes 43 until the clamping rings 46 are clamped.
The inboard of arc 11 be equipped with the heat-resistant layer, the setting of heat-resistant layer can be good prevent stretching of conflagration, improved the security, be equipped with corrosion resistant layer on the lateral wall of arc 11, the left and right sides of arc 11 outer walls is equipped with the helicitic texture, can effectually prevent this cable protection tube by the corruption in soil.
The upper end of a backup pad 13 and No. two backup pads 15 be the joint that structure, size are all unanimous, the inside of joint is equipped with the spring buffer layer, the setting up of spring buffer layer makes backup pad 13, No. two backup pads 15 provide certain cushioning nature when to 11 structural supports of two arc pipes, avoided the arc pipe 11 pressurized too big and produce the damaged condition, and the interior terminal surface of backup pad 13 and No. two backup pads 15 is in same horizontal plane state, convenient butt joint.
The corresponding block 21 comprises an upper end sealing block 211, an insertion groove 212 and an upper end embedding groove 213, the lower end of the upper end sealing block 211 is provided with the insertion groove 212, the outer part of the upper end sealing block 211 is provided with the upper end embedding groove 213, and the structure and the size of the upper end embedding groove 213 and the lower end embedding groove 225 are identical, when the sealing device works specifically, when the two arc pipes 11 are folded, the two gas pushing rods 223 are extruded by the upper side arc pipe 11 to descend, so that gas in the insertion groove 212 is gradually filled into the sealing airbag 24, and when the sealing airbag 24 completely enters the insertion groove 212, the sealing airbag is in an overflowing state, so that the sealing airbag is tightly attached to the inner wall.
The outer end symmetry of the upper end sealing block 211 be equipped with the screw hole board, and the screw hole board is located the lower extreme of upper end embedded groove 213, the lower extreme of the upper end sealing block 211 is equipped with the rubber layer, has improved the laminating degree between corresponding piece 21 and the insertion piece 22, the cross-section of insertion groove 212 is T type structure, the left end of upper end embedded groove 213 is flaring structure, makes things convenient for the entering of joint support 31.
The outer end of the lower end sealing block 221 is symmetrically provided with threaded hole blocks, the threaded hole blocks are located at the upper end of the lower end embedded groove 225, the threaded hole blocks correspond to the threaded hole plates in position, and a bolt is inserted into the threaded hole plates and the threaded hole blocks to lock and limit the two closed arc pipes 11.
The middle part of the air inlet column 23 is provided with a cavity which is communicated with the middle part of the air cavity 222, the outside of the air inlet column 23 is provided with an air hole which is communicated with the cavity and is positioned in the air bag 24, so that the air in the air cavity 222 can enter the air bag 24 through the air hole.
The left end and the right end of the inner wall of the sleeve 41 are provided with two sections of threads, the directions of the two sections of threads are opposite, reverse motion is guaranteed when the two connecting pipes 43 are screwed in the same direction, the sleeve 41 is in threaded connection with the corresponding rings 45, the outer ends of the corresponding rings 45 are provided with annular clamping grooves, the clamping rings 46 can be clamped into the annular clamping grooves, the lower end of the positioning seat 42 is uniformly provided with positioning columns, the lower ends of the positioning columns are of conical structures, and the difficulty in positioning is reduced.
The middle part of the outer wall of the connecting pipe 43 is provided with a screwing ring, so that a person can conveniently rotate the connecting pipe 43, the sealing ring 44 is positioned on the outer side of the screwing ring, and the inner wall of the outer end of the connecting pipe 43 is provided with a thread structure, so that the connecting pipe can be conveniently butted with the two folded arc-shaped pipes 11.
When in work:
s1, placing the arc-shaped pipe 11 on the lower side in a pre-buried pit, placing the communication cable in the pre-buried pit, and separating the communication cable by a first support plate 13 and a second support plate 15;
s2, placing the arc-shaped pipe 11 on the upper side above the arc-shaped pipe 11 on the lower side, and clamping the sealed air bag 24 into the insertion groove 212 in a pressing mode, wherein at the moment, the inside of the sealed air bag 24 is in an air-filled state, and the sealed air bag 24 in the air-filled state is tightly attached to the inner wall of the insertion groove 212;
s3, the two arc-shaped pipes 11 are connected in a locking mode through bolts, and the gap between the two arc-shaped pipes 11 is clamped and sealed through a sealing sleeve 3;
s4, the connecting pipe 4 is positioned in the pre-buried pit through the positioning seat 42, the connecting pipe 43 is rotated to enable the connecting pipe 43 to gradually move outwards, and the outwards moving connecting pipe 43 is in threaded connection with the two folded arc-shaped pipes 11.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a communication cable protection tube, includes two bodys (1), sealed latch device (2), two seal covers (3) and connecting pipe (4), its characterized in that: a sealing clamping device (2) is arranged between the two pipe bodies (1), a sealing sleeve (3) is respectively arranged at the front end and the rear end of the sealing clamping device (2), and a connecting pipe (4) is arranged at the right end of the sealing clamping device (2);
the pipe body (1) comprises an arc-shaped pipe (11), a first buffer groove (12), a first supporting plate (13), a second buffer groove (14) and a second supporting plate (15), wherein the first buffer groove (12) is symmetrically formed in the left side and the right side of the inner part of the arc-shaped pipe (11), the first supporting plate (13) is arranged in the first buffer groove (12), the second buffer groove (14) is formed in the middle of the arc-shaped pipe (11), and the second supporting plate (15) is arranged in the second buffer groove (14);
the sealing clamping device (2) comprises two corresponding blocks (21), two inserting blocks (22), two air inlet columns (23) and a sealing air bag (24), wherein the two corresponding blocks (21) are installed on the lower end face of the upper side pipe body (1), the two corresponding blocks (21) are arranged in the front-back direction, the two inserting blocks (22) are installed on the upper end face of the lower side pipe body (1), the two inserting blocks (22) are arranged in the front-back direction, the air inlet column (23) is arranged at the upper end of each inserting block (22), and the sealing air bag (24) wraps the outer portion of each air inlet column (23);
the inserting block (22) comprises a lower end sealing block (221), an air cavity (222), two air pushing rods (223), a reset spring (224) and a lower end embedded groove (225), the air cavity (222) is formed in the lower end sealing block (221), the two air pushing rods (223) are arranged at the front end and the rear end of the air cavity (222), the reset spring (224) is connected between the lower end of the air pushing rod (223) and the air cavity (222), and the lower end embedded groove (225) is formed in the outer portion of the lower end sealing block (221);
the sealing sleeve (3) comprises clamping brackets (31), flexible telescopic pipes (32) and clamping sliding blocks (33), the clamping sliding blocks (33) are symmetrically installed at the inner ends of the clamping brackets (31), the flexible telescopic pipes (32) are connected between the adjacent clamping brackets (31), and the sections of the flexible telescopic pipes (32) are U-shaped;
connecting pipe (4) including sleeve pipe (41), positioning seat (42), two linking pipes (43), two sealing washer (44), two correspond ring (45) and two card income rings (46), positioning seat (42) are installed to the lower extreme of sleeve pipe (41), the inside of sleeve pipe (41) is equipped with two linking pipes (43), two linking pipes (43) are arranged for controlling, the outer wall cover of linking pipe (43) is equipped with sealing washer (44), corresponding ring (45) are installed to the inner outer wall of linking pipe (43), both ends are equipped with two card income rings (46) about sleeve pipe (41).
2. A communication cable protection tube according to claim 1, wherein: the inner side of the arc-shaped pipe (11) is provided with a heat-resistant layer, the outer side wall of the arc-shaped pipe (11) is provided with a corrosion-resistant layer, and the left side and the right side of the outer wall of the arc-shaped pipe (11) are provided with thread structures.
3. A communication cable protection tube according to claim 1, wherein: the upper ends of the first supporting plate (13) and the second supporting plate (15) are clamping joints with the same structure and size, spring buffer layers are arranged inside the clamping joints, and the inner end faces of the first supporting plate (13) and the second supporting plate (15) are in the same horizontal plane state.
4. A communication cable protection tube according to claim 1, wherein: the corresponding block (21) comprises an upper end sealing block (211), an insertion groove (212) and an upper end embedding groove (213), the insertion groove (212) is formed in the lower end of the upper end sealing block (211), the upper end embedding groove (213) is formed in the outer portion of the upper end sealing block (211), and the upper end embedding groove (213) and the lower end embedding groove (225) are identical in structure and size.
5. The communication cable protection tube according to claim 4, wherein: the outer end symmetry of upper end sealing block (211) be equipped with the screw hole board, and the screw hole board is located the lower extreme of upper end embedded groove (213), the lower extreme of upper end sealing block (211) is equipped with the rubber layer, the cross-section of insertion groove (212) is T type structure, the left end of upper end embedded groove (213) is flaring structure.
6. A communication cable protection tube according to claim 1, wherein: the outer end of the lower end sealing block (221) is symmetrically provided with a thread hole block, the thread hole block is positioned at the upper end of the lower end embedded groove (225), and the thread hole block corresponds to the thread hole plate in position.
7. A communication cable protection tube according to claim 1, wherein: the middle part of the air inlet column (23) is provided with a cavity, the cavity is communicated with the middle part of the air cavity (222), the outside of the air inlet column (23) is provided with an air hole, the air hole is communicated with the cavity, and the air hole is positioned in the air bag (24).
8. A communication cable protection tube according to claim 1, wherein: two sections of threads are arranged at the left end and the right end of the inner wall of the sleeve (41), the directions of the two sections of threads are opposite, the sleeve (41) is in threaded connection with the corresponding ring (45), the outer end of the corresponding ring (45) is provided with an annular clamping groove, the lower end of the positioning seat (42) is uniformly provided with positioning columns, and the lower ends of the positioning columns are of conical structures.
9. A communication cable protection tube according to claim 1, wherein: the middle part of the outer wall of the connecting pipe (43) is provided with a screwing ring, the sealing ring (44) is positioned on the outer side of the screwing ring, and the inner wall of the outer end of the connecting pipe (43) is provided with a thread structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910954957.2A CN110556761B (en) | 2019-10-09 | 2019-10-09 | Communication cable protection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910954957.2A CN110556761B (en) | 2019-10-09 | 2019-10-09 | Communication cable protection tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110556761A CN110556761A (en) | 2019-12-10 |
| CN110556761B true CN110556761B (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910954957.2A Active CN110556761B (en) | 2019-10-09 | 2019-10-09 | Communication cable protection tube |
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| CN111082375A (en) * | 2019-12-28 | 2020-04-28 | 安庆市晶科电子有限公司 | External protection device easy to assemble and disassemble for transistor cable installation |
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| CN112290486B (en) * | 2019-12-31 | 2022-07-01 | 中建材信息技术股份有限公司 | External pencil protector of cloud ware |
| CN111952926B (en) * | 2020-08-17 | 2021-08-20 | 重庆市南方阻燃电线电缆有限公司 | Novel cable |
| CN112531613B (en) * | 2020-11-07 | 2022-03-22 | 胜利油田金岛工程安装有限责任公司 | Graphene modified polymer injection pipeline |
| CN113036687B (en) * | 2021-03-20 | 2022-04-29 | 广州市秀全电线电缆有限责任公司 | Power wire and cable protection sleeve |
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| JP2002271940A (en) * | 2002-02-14 | 2002-09-20 | Mirai Ind Co Ltd | Protecting tube and protecting tube apparatus using the same |
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| CN110556761A (en) | 2019-12-10 |
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Effective date of registration: 20200701 Address after: 062450 Cangzhou City, Hebei Province Hejian left temple town industrial zone Applicant after: HEBEI HONGYU COMMUNICATION EQUIPMENT Co.,Ltd. Address before: 246600 No.5, Zhongwu group, banshe village, Maojianshan Township, Yuexi County, Anqing City, Anhui Province Applicant before: Chu Chaochao |
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