CN111817233B - Cable wall-penetrating protection device - Google Patents
Cable wall-penetrating protection device Download PDFInfo
- Publication number
- CN111817233B CN111817233B CN202010807609.5A CN202010807609A CN111817233B CN 111817233 B CN111817233 B CN 111817233B CN 202010807609 A CN202010807609 A CN 202010807609A CN 111817233 B CN111817233 B CN 111817233B
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- wall
- pipe
- cable
- outer sleeve
- fixed
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- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000001012 protector Effects 0.000 claims abstract 2
- 230000000149 penetrating effect Effects 0.000 claims description 36
- 239000002985 plastic film Substances 0.000 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 241000283984 Rodentia Species 0.000 abstract description 11
- 239000004033 plastic Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 239000004020 conductor Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000257303 Hymenoptera Species 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
-
- 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
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/10—Sealing by using sealing rings or sleeves only
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention provides a protection device for a cable to penetrate through a wall. The utility model discloses a cable is worn wall and is used protector includes outer sleeve spare, internal member and stopper, outer sleeve spare interpolation is equipped with the internal member, and install on the internal member and be used for carrying out spacing stopper to the cable, the stopper includes fixed extension pipe, the swivel, connecting plate and elasticity plastic piece, fixed gomphosis of fixed extension pipe is on adjusting flange's outer wall and with wall-penetrating pipe intercommunication, and seted up the ring channel on the fixed extension pipe, the swivel cup joints in the ring channel, and the mount is equipped with the connecting plate between two swivels, one side fixed mounting of connecting plate has elasticity plastic piece, and the other end of elasticity plastic piece passes the sliding chamber that fixed extension pipe was seted up and extends to in the interior pipe wall of fixed extension pipe. The protection device for the cable through-wall has the advantages that rodent biting damage can be reduced conveniently, assembling and installation are convenient, and sealing failure of the through-wall pipe caused by vibration of the outer sleeve piece is eliminated in structural form.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a protective device for cable wall penetration.
Background
The cable is an electric energy or signal transmission device, and usually consists of several or several groups of conducting wires, wherein each group of conducting wires are insulated from each other and are usually twisted around a center, and the whole outer surface is coated with a highly insulated sheath layer. And the cable includes power cable, control cable, compensation cable, shielding cable, high temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable, etc. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.
While some power cables need to pass through the wall surface of a nearby house when being drawn, but the sealing between the pipeline and the casing can only be sealed by using sealant in the structural form and the installation mode of the commonly used wall-through casing, and a gap must exist between the existing wall-through casing and the pipeline when being constructed and installed, and the sealing is required to be sealed by using the sealant because of the sealing requirement of a clean room, so the mode has the following defects: pipeline and sleeve pipe clearance are less on the one hand, can't guarantee the quality of seal construction, and more importantly because of inevitable existence vibrations in the pipeline use, and along with the increase of operating duration, the colloid can age, leads to sealed inefficacy very easily to some mice of the more family of some rat ants can bite the damage pipeline, lead to the cable impaired easily.
Therefore, there is a need to provide a new cable through-wall protection device to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a cable wall-penetrating protection device which can reduce rodent bite, is convenient and quick to assemble and install and eliminates sealing failure of a wall-penetrating pipe caused by vibration of an outer sleeve in a structural form.
The invention provides a protective device for cable wall penetration, which comprises an outer sleeve part, an inner sleeve part and a limiting stopper, wherein the inner sleeve part is inserted into the outer sleeve part, and the limiting stopper for limiting a cable is installed on the inner sleeve part.
Preferably, the outer sleeve part comprises a fixed flange, an outer sleeve, a conical tooth column, a rubber sleeve and an internal thread section, the outer sleeve is fixedly mounted on the fixed flange, the conical tooth column distributed in a plurality of annular shapes is fixedly embedded on the outer cylinder wall of the outer sleeve, the rubber sleeve is fixedly sleeved on the outer sleeve, the inner sleeve surface of the rubber sleeve is embedded into the conical tooth column, and the internal thread section is formed in the inner wall of the outer sleeve, which is far away from one side of the fixed flange.
Preferably, the internal member includes adjusting flange, wall pipe, reinforced pipe and external screw thread section, fixed mounting has the wall pipe on the adjusting flange, and the fixed reinforcing pipe that has cup jointed in the junction of wall pipe and adjusting flange, and has seted up the external screw thread section on the pipe wall of reinforced pipe.
Preferably, a plurality of sets of amplitude reduction mechanisms distributed in an annular mode are installed on the wall penetrating pipe in the inner sleeve, each amplitude reduction mechanism comprises an arc-shaped plate and a spring, the inner arc surface of each arc-shaped plate is fixedly provided with a plurality of springs with the same elastic coefficient, the springs are elastically connected with the outer pipe wall of the wall penetrating pipe, the arc-shaped plates and the wall penetrating pipe are coaxial, and the arc-shaped plates in all the amplitude reduction mechanisms on the wall penetrating pipe form an annular step-down pipe.
Preferably, the stopper includes a fixed extension pipe, a rotating ring, a connecting plate and an elastic plastic sheet, the fixed extension pipe is fixedly embedded on the outer wall of the adjusting flange and is communicated with the wall penetrating pipe, two annular grooves are symmetrically distributed on the fixed extension pipe, the two rotating rings with the same specification are respectively sleeved in the two annular grooves and are rotatably connected with the annular grooves, the connecting plate is arranged on the fixing frame between the two rotating rings, the elastic plastic sheet is fixedly mounted on one side of the connecting plate, and the other end of the elastic plastic sheet penetrates through a sliding cavity formed in the fixed extension pipe and extends into the inner pipe wall of the fixed extension pipe.
Preferably, one section of the elastic plastic sheet outside the fixed extension pipe is attached to the outer pipe wall of the fixed extension pipe, and one section of the elastic plastic sheet inside the fixed extension pipe is attached to the inner pipe wall of the fixed extension pipe.
Preferably, the rotating ring is fixedly sleeved with a damping rubber ring, and the damping rubber ring is in interference fit with an annular groove formed in the fixed extension pipe.
Preferably, the wall penetrating pipe in the inner sleeve member is inserted into the outer sleeve in the outer sleeve member, and the external thread section on the wall penetrating pipe is in threaded fixed connection with the internal thread section on the outer sleeve in a rotating and screwing mode.
Preferably, a conical sealing ring is fixedly embedded on the inner wall of the fixing flange, and a conical head of the conical sealing ring is abutted against a chamfer groove formed in the head of the wall penetrating pipe.
Preferably, a plurality of fixing holes distributed annularly are formed in the fixing flange and the adjusting flange, and the fixing flange and the adjusting flange are made of carbon steel.
Compared with the related art, the protection device for the cable through-wall provided by the invention has the following beneficial effects:
1. according to the invention, the conical tooth columns are embedded in the outer sleeve to play a role in preventing rodents and other rodents, so that the damage of the rodents is effectively resisted, the rubber sleeve can effectively avoid the scratch of the falling tooth columns on the wall hole, and the pressure resistance of the outer sleeve is also improved;
2. the invention adopts the assembly mode of the outer sleeve piece and the inner sleeve piece, is convenient to assemble and install, and also has double-layer protection on the cable penetrating through the wall;
3. according to the invention, the spring on the arc-shaped plate can absorb shock after the outer sleeve is subjected to shock and is matched with the conical sealing ring, so that the hidden danger of sealing failure of the wall-penetrating pipe caused by the vibration of the outer sleeve part is eliminated in the structural form, and the sealing effect and the long-term effectiveness of sealing are also ensured;
4. according to the invention, the rotating ring is rotated to enable the connecting plate to rotate along with the rotating ring along the pipe orifice of the fixed extension pipe, so that the connecting plate pushes the elastic plastic sheet to slide into the fixed extension pipe from the sliding cavity, and the elastic plastic sheet is wrapped and fixed in a surrounding manner along the cable, and the elastic plastic sheet has certain elasticity, so that the fixing effect of the cable on a wall hole is improved, the problem that the cable slides into or slides out of the wall hole at will is avoided, and the sealing effect of the fixed extension pipe is improved.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a cable through-wall protection device according to the present invention;
FIG. 2 is a schematic cross-sectional view of the structure shown in FIG. 1;
FIG. 3 is a cross-sectional view of a portion of the outer sleeve of FIG. 2;
FIG. 4 is a schematic view of the inner sleeve shown in FIG. 2;
FIG. 5 is an enlarged view of the structure shown at A in FIG. 2;
FIG. 6 is a schematic structural view of the stopper shown in FIG. 2;
FIG. 7 is a schematic cross-sectional view of the stopper of FIG. 6;
fig. 8 is a schematic view of the structure of the conical tooth column on the outer sleeve shown in fig. 1.
Reference numbers in the figures: 1. the device comprises an outer sleeve part 11, a fixing flange 12, an outer sleeve 13, a conical tooth column 14, a rubber sleeve 15, an internal thread section 2, an inner sleeve part 21, an adjusting flange 22, a wall penetrating pipe 23, a reinforcing pipe 24, an external thread section 3, a reducing mechanism 31, an arc-shaped plate 32, a spring 4, a limiter 41, a fixed extension pipe 42, a rotating ring 43, a connecting plate 44, an elastic plastic sheet 5, a sliding cavity 6 and a conical sealing ring.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1 to 8, wherein fig. 1 is a schematic structural diagram of a protection device for cable wall penetration according to a preferred embodiment of the present invention; FIG. 2 is a schematic cross-sectional view of the structure shown in FIG. 1; FIG. 3 is a cross-sectional view of a portion of the outer sleeve of FIG. 2; FIG. 4 is a schematic view of the inner sleeve shown in FIG. 2; FIG. 5 is an enlarged view of the structure shown at A in FIG. 2; FIG. 6 is a schematic structural view of the stopper shown in FIG. 2; FIG. 7 is a schematic cross-sectional view of the stopper of FIG. 6; fig. 8 is a schematic view of the structure of the conical tooth column on the outer sleeve shown in fig. 1. The method comprises the following steps: the outer sleeve part 1, the inner sleeve part 2 and the limiting stopper 4, and the inner sleeve part 2 is inserted into the outer sleeve part 1.
In a specific implementation process, as shown in fig. 2, 3 and 8, the outer sleeve member 1 includes a fixed flange 11, an outer sleeve 12, a tapered tooth column 13, a rubber sleeve 14 and an internal thread section 15, the outer sleeve 12 is fixedly mounted on the fixed flange 11, a plurality of annularly distributed tapered tooth columns 13 are fixedly embedded on an outer cylinder wall of the outer sleeve 12, the rubber sleeve 14 is fixedly sleeved on the outer sleeve 12, an inner sleeve surface of the rubber sleeve 14 is embedded in the tapered tooth column 13, and the internal thread section 15 is formed on an inner wall of one side of the outer sleeve 12, which is far away from the fixed flange 11.
It should be noted that: the outer sleeve member 1 is mainly embedded in a wall hole at a cable through-wall position, the fixing flange 11 is fixed on the outer wall surface by screws, the outer sleeve 12 is inserted in the wall hole, and the outer sleeve 12 is embedded with the conical tooth columns 13 to play a role in preventing rodents and other rodents, so that the damage of the rodents is effectively resisted, the rubber sleeve 14 can effectively avoid the scratch of the tooth columns 13 to the wall hole, and the pressure resistance of the outer sleeve 12 is also improved.
Referring to fig. 2 and 4, the internal member 2 includes an adjusting flange 21, a wall penetrating pipe 22, a reinforcing pipe 23 and an external thread section 24, the wall penetrating pipe 22 is fixedly installed on the adjusting flange 21, the reinforcing pipe 23 is fixedly sleeved at the joint of the wall penetrating pipe 22 and the adjusting flange 21, and the external thread section 24 is arranged on the pipe wall of the reinforcing pipe 23; the wall penetrating tube 22 in the inner sleeve 2 is inserted into the outer sleeve 12 from the inner wall hole and is rotationally fixed, thereby double-layer protecting the wall penetrating cable.
Wherein, all set up the fixed orifices that a plurality of annular distributes on mounting flange 11 and the adjustment flange 21, and mounting flange 11 and adjustment flange 21 all adopt carbon steel material.
In the specific assembling process, as shown in fig. 1, 2 and 5, the wall penetrating pipe 22 in the inner sleeve member 2 is inserted into the outer sleeve 12 in the outer sleeve member 1, the outer threaded section 24 on the wall penetrating pipe 22 is fixedly connected with the inner threaded section 15 on the outer sleeve 12 in a threaded manner by screwing, the conical sealing ring 6 is fixedly embedded on the inner wall of the fixing flange 11, and the conical head of the conical sealing ring 6 abuts against the chamfered groove formed in the pipe head of the wall penetrating pipe 22, so that the sealing effect of the pipe head of the wall penetrating pipe 22 is enhanced because the conical sealing ring 6 is elastic conical sealing.
Referring to fig. 4, a plurality of sets of amplitude reduction mechanisms 3 distributed in an annular manner are installed on the wall penetrating pipe 22 in the inner sleeve 2, each amplitude reduction mechanism 3 comprises an arc plate 31 and a spring 32, a plurality of springs 32 with the same elastic coefficient are fixedly installed on the inner arc surface of each arc plate 31, each spring 32 is elastically connected with the outer wall of the wall penetrating pipe 22, each arc plate 31 and the wall penetrating pipe 22 are coaxial, and the arc plates 31 in all the amplitude reduction mechanisms 3 on the wall penetrating pipe 22 form an annular pressure reduction pipe.
It should be noted that: after the through-wall pipe 22 is inserted into the outer sleeve 12, the arc-shaped plate 31 compresses the spring 32 under the extrusion of the inner wall of the outer sleeve 12, so that the spring 32 on the arc-shaped plate 31 can absorb the vibration after the outer sleeve 12 is subjected to the vibration and is matched with the conical sealing ring 6, the hidden danger of sealing failure of the through-wall pipe 22 caused by the vibration of the outer sleeve part 1 is eliminated in the structural form, and the sealing effect and the long-term sealing property are also ensured.
Referring to fig. 6 and 7, a stopper 4 for limiting a cable is installed on the inner sleeve 2, the stopper 4 includes a fixed extension pipe 41, a rotary ring 42, a connecting plate 43 and an elastic plastic sheet 44, the fixed extension pipe 41 is fixedly embedded on the outer wall of the adjusting flange 21 and is communicated with the wall penetrating pipe 22, two annular grooves are symmetrically distributed on the fixed extension pipe 41, the two rotary rings 42 with the same specification are respectively sleeved in the two annular grooves and are rotatably connected with the annular grooves, the connecting plate 43 is installed on the fixed frame between the two rotary rings 42, the elastic plastic sheet 44 is fixedly installed on one side of the connecting plate 43, the other end of the elastic plastic sheet 44 passes through the sliding cavity 5 formed on the fixed extension pipe 41 and extends into the inner pipe wall of the fixed extension pipe 41, a damping rubber ring is fixedly sleeved on the rotary ring 42, and the damping rubber ring is in interference fit with the annular groove formed on the fixed extension pipe 41, so that the swivel 42 requires a certain external force to rotate, so that the swivel 42 has a certain locking capability.
It should be noted that: after the wall body was worn out from fixed extension pipe 41 to the cable conductor, rotate swivel 42 and make connecting plate 43 rotatory along fixed extension pipe 41 mouth of pipe along swivel 42, thereby connecting plate 43 promotes elasticity plastic piece 44 and slides in fixed extension pipe 41 from sliding chamber 5, make elasticity plastic piece 44 carry out the surrounding type parcel along the cable conductor fixed, because elasticity plastic piece 44 has certain elasticity, thereby improved the fixed effect of cable conductor on the wall hole on the one hand, avoid the problem that the cable slided in or roll-off wall hole at will, on the other hand has improved the sealed effect to fixed extension pipe 41.
Wherein, a section of the elastic plastic sheet 44 located outside the fixed extension pipe 41 is attached to the outer wall of the fixed extension pipe 41, and a section of the elastic plastic sheet 44 located inside the fixed extension pipe 41 is attached to the inner wall of the fixed extension pipe 41.
The installation process of the protective device for the cable through-wall provided by the invention is as follows:
A. drilling a wall hole slightly larger than the outer sleeve 12 at the position of the cable needing to penetrate the wall;
B. inserting the outer sleeve 12 into the wall hole and fixing the fixing flange 11 on the outer wall surface by using screws to complete the fixing of the outer sleeve member 1;
C. the cable is extended from the outer wall to the inner wall through the outer sleeve 12, the wall penetrating pipe 22 in the inner sleeve 2 is inserted into the outer sleeve 12 from the inner wall hole, and the external thread section 24 and the internal thread section 15 are screwed in a rotating and screwing mode, so that the inner sleeve 2 is fixed;
D. the cable is passed through the wall tube 22 and out of the fixed extension tube 41 at the outer wall;
E. after the cable is routed and installed at the cable position, the rotating ring 42 is rotated to make the connecting plate 43 rotate along the pipe orifice of the fixed extension pipe 41 along with the rotating ring 42, so that the connecting plate 43 pushes the elastic plastic sheet 44 to slide into the fixed extension pipe 41 from the sliding cavity 5, and the elastic plastic sheet 44 is wrapped and fixed around the cable.
The working principle of the protective device for the cable wall penetration provided by the invention is as follows:
the outer sleeve member 1 is mainly embedded in a wall hole at a cable wall penetrating position, the fixing flange 11 is fixed on an outer wall surface by using a screw and the outer sleeve 12 is inserted in the wall hole, the conical tooth columns 13 embedded on the outer sleeve 12 play a role in preventing rodents and other rodents from biting, so that damage of the rodents is effectively resisted, the rubber sleeve 14 can effectively avoid scratches of the falling tooth columns 13 on the wall hole, the pressure resistance of the outer sleeve 12 is also improved, the wall penetrating pipe 22 in the inner sleeve member 2 is inserted into the outer sleeve 12 from the inner wall hole and is rotationally fixed, double-layer protection is achieved on the cable penetrating through the wall, after the wall penetrating pipe 22 is inserted into the outer sleeve 12, the arc-shaped plate 31 compresses the spring 32 under extrusion of the inner wall of the outer sleeve 12, and the spring 32 on the arc-shaped plate 31 can absorb vibration and cooperate with the conical sealing ring 6 after the outer sleeve 12 is vibrated, the hidden danger that causes wall pipe 22 to seal failure because of the vibration of outer sleeve member 1 has been eliminated in structural style, sealed effect and sealed long-term efficiency have also been guaranteed, and the cable conductor is worn out the wall body back from fixed extension pipe 41, it makes connecting plate 43 rotatory along fixed extension pipe 41 mouth of pipe along swivel 42 to rotate swivel 42, thereby connecting plate 43 promotes elasticity plastic sheet 44 and slides in to fixed extension pipe 41 from sliding cavity 5, make elasticity plastic sheet 44 encircle the formula parcel along the cable conductor fixed, because elasticity plastic sheet 44 has certain elasticity, thereby on the one hand, the fixed effect of cable conductor on the wall hole has been improved, avoid the problem that the cable slides in or roll-off wall hole at will, on the other hand has improved the sealed effect to fixed extension pipe 41.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a cable is protector for wall wearing, includes outer sleeve part (1), interior external member (2) and stopper (4), its characterized in that: an inner sleeve (2) is inserted into the outer sleeve (1), and a stopper (4) for limiting the cable is arranged on the inner sleeve (2);
the outer sleeve part (1) comprises a fixed flange (11), an outer sleeve (12), a conical tooth column (13), a rubber sleeve (14) and an internal thread section (15), the outer sleeve (12) is fixedly installed on the fixed flange (11), a plurality of conical tooth columns (13) distributed in an annular mode are fixedly embedded on the outer cylinder wall of the outer sleeve (12), the rubber sleeve (14) is fixedly sleeved on the outer sleeve (12), the internal thread surface of the rubber sleeve (14) is embedded into the conical tooth column (13), and the internal thread section (15) is formed in the inner wall of one side, away from the fixed flange (11), of the outer sleeve (12);
the inner sleeve (2) comprises an adjusting flange (21), a wall penetrating pipe (22), a reinforcing pipe (23) and an external thread section (24), the wall penetrating pipe (22) is fixedly installed on the adjusting flange (21), the reinforcing pipe (23) is fixedly sleeved at the joint of the wall penetrating pipe (22) and the adjusting flange (21), and the external thread section (24) is arranged on the pipe wall of the reinforcing pipe (23);
the limiting stopper (4) comprises a fixed extension pipe (41), a rotary ring (42), a connecting plate (43) and an elastic plastic sheet (44), the fixed extension pipe (41) is fixedly embedded on the outer wall of the adjusting flange (21) and communicated with the wall penetrating pipe (22), two annular grooves which are symmetrically distributed are formed in the fixed extension pipe (41), the rotary ring (42) with the same specification are respectively sleeved in the two annular grooves and are rotationally connected with the annular grooves, the connecting plate (43) is arranged between the two rotary rings (42) in a fixed mode, the elastic plastic sheet (44) is fixedly installed on one side of the connecting plate (43), and the other end of the elastic plastic sheet (44) penetrates through a sliding cavity (5) formed in the fixed extension pipe (41) and extends into the inner pipe wall of the fixed extension pipe (41).
2. A cable wall-piercing shield as set forth in claim 1, wherein: install a plurality of groups of descending mechanism (3) that the annular distributes on wall pipe (22) in internal member (2), and descend mechanism (3) to include arc (31) and spring (32), the intrados fixed mounting of arc (31) has spring (32) that a plurality of elasticity coefficients are the same, and spring (32) and the outer pipe wall elastic connection of wall pipe (22), arc (31) and wall pipe (22) are coaxial, and all arc (31) in descending mechanism (3) on wall pipe (22) constitute an annular pressure reduction pipe.
3. A cable wall-piercing shield as set forth in claim 1, wherein: the section of the elastic plastic sheet (44) outside the fixed extension pipe (41) is attached to the outer pipe wall of the fixed extension pipe (41), and the section of the elastic plastic sheet (44) inside the fixed extension pipe (41) is attached to the inner pipe wall of the fixed extension pipe (41).
4. A cable wall-piercing shield as set forth in claim 1, wherein: the rotating ring (42) is fixedly sleeved with a damping rubber ring, and the damping rubber ring is in interference fit with an annular groove formed in the fixed extension pipe (41).
5. A cable wall-piercing shield as set forth in claim 1, wherein: the wall penetrating pipe (22) in the inner sleeve member (2) is inserted into the outer sleeve (12) in the outer sleeve member (1), and the external thread section (24) on the wall penetrating pipe (22) is in threaded fixed connection with the internal thread section (15) on the outer sleeve (12) in a rotating and screwing mode.
6. A cable wall-piercing shield as set forth in claim 1, wherein: the inner wall of the fixed flange (11) is fixedly embedded with a conical sealing ring (6), and the conical head of the conical sealing ring (6) is abutted against a chamfer groove formed in the tube head of the wall penetrating tube (22).
7. A cable wall-piercing shield as set forth in claim 1, wherein: the fixing flange (11) and the adjusting flange (21) are provided with a plurality of fixing holes distributed annularly, and the fixing flange (11) and the adjusting flange (21) are made of carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010807609.5A CN111817233B (en) | 2020-08-12 | 2020-08-12 | Cable wall-penetrating protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010807609.5A CN111817233B (en) | 2020-08-12 | 2020-08-12 | Cable wall-penetrating protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111817233A CN111817233A (en) | 2020-10-23 |
| CN111817233B true CN111817233B (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010807609.5A Active CN111817233B (en) | 2020-08-12 | 2020-08-12 | Cable wall-penetrating protection device |
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| CN (1) | CN111817233B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111446643B (en) * | 2020-04-16 | 2021-10-15 | 广东万业电力消防工程有限公司 | Power distribution system |
| CN112361092A (en) * | 2020-11-28 | 2021-02-12 | 靖江市海鸿塑胶科技有限公司 | Combined elastic cabin-through pipe fitting connecting structure and elastic cabin-through pipe fitting thereof |
| CN112762255A (en) * | 2021-01-21 | 2021-05-07 | 江苏丰禾机械制造股份有限公司 | Explosion-proof high pressure resistant self sealss rotary compensator |
| CN116267881A (en) * | 2022-10-28 | 2023-06-23 | 贵州电网有限责任公司 | Small animal prevention device for power distribution cabinet |
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