CN211859548U - Hollow pipe plug - Google Patents
Hollow pipe plug Download PDFInfo
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- CN211859548U CN211859548U CN202020312775.3U CN202020312775U CN211859548U CN 211859548 U CN211859548 U CN 211859548U CN 202020312775 U CN202020312775 U CN 202020312775U CN 211859548 U CN211859548 U CN 211859548U
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Abstract
The hollow pipe plug comprises a middle elastic annular cylinder (10), an outer clamping block annular cylinder (20), an inner clamping block annular cylinder (30) and a bolt (4); the middle elastic annular cylinder (10) is controlled by the bolt (4), and the pressure of the outer clamping block annular cylinder (20) and the inner clamping block annular cylinder (30) on the middle elastic annular cylinder (10) can be changed: if the pressure is high, the middle elastic annular cylinder (10) expands greatly, and a gap between the cable and the cable protection pipe is fully filled, so that the purpose of plugging is achieved; if the pressure is small, the middle elastic annular cylinder (10) recovers to the original state and is separated from the outer wall of the cable and the inner wall of the cable protection pipe, so that the cable and the cable protection pipe can be conveniently penetrated into and taken out from a gap between the cable and the cable protection pipe.
Description
Technical Field
The utility model relates to a pipe plug, especially a pipe plug of using after power cable wears cable.
Background
Before the power cable uses the casing cap to be used for the cable to wear the cable, prevent that material such as silt, water from polluting cable protection pipe, wear the cable to produce adverse effect to the cable, but behind the cable wear the cable, the casing cap just is taken off, and cable protection pipe end and worker well junction are in and open the state, and the gap between cable and the cable protection pipe lets silt, infiltration, mouse get into easily, the influence that produces the operation of cable. Therefore, the hollow pipe plug is designed, is used after a cable is threaded, plugs a gap between the cable and a cable protection pipe, and prevents foreign matters from entering, so that the normal operation of the cable is ensured, and the later maintenance is facilitated.
Disclosure of Invention
The utility model aims at providing a hollow pipe plug for behind the cable is worn the cable, the gap between shutoff cable and the cable protection pipe prevents foreign matters such as silt, groundwater, rainwater from getting into, thereby guarantees the normal operating of cable and makes things convenient for later stage to overhaul the maintenance.
The utility model provides a technical scheme that its technical problem adopted is: the hollow pipe plug comprises a middle elastic annular cylinder (10), an outer clamping block annular cylinder (20), an inner clamping block annular cylinder (30) and a bolt (4);
the middle elastic annular cylinder (10) consists of two stepped semi-annular cylinders (1) with holes at the ends; the stepped semi-annular cylinder (1) with the hole at the end comprises a positive step (11) with the hole at the end, a reverse step (12) with the hole at the end and a bolt hole (13); the end hole positive step (11) and the end hole inverted step (12) are respectively arranged at two ends of the end hole step semi-annular cylinder (1), the bolt holes (13) are uniformly distributed and longitudinally penetrate through the end hole step semi-annular cylinder (1), the end hole positive step (11) at one end of the end hole step semi-annular cylinder (1) is spliced with the end hole inverted step (12) at one end of the other end hole step semi-annular cylinder (1), and the end hole inverted step (12) at the other end of one end hole step semi-annular cylinder (1) is just lapped with the end hole positive step (11) at the other end of the other end hole step semi-annular cylinder (1) to form a middle elastic annular cylinder (10);
the outer clamping block annular cylinder (20) consists of two outer semi-annular cylinder clamping blocks (2) with lugs;
the ear-carrying outer semi-annular cylindrical clamping block (2) comprises parallel double plates (21) with holes at the end heads, a single plate (22) with holes at the end heads, bolt holes (13) and outer ears (23); the two parallel end plate (21) with holes and the single end plate (22) with holes are respectively arranged at two ends of the lug outer semi-annular cylindrical clamping block (2), the bolt holes (13) are uniformly distributed and longitudinally penetrate through the lug outer semi-annular cylindrical clamping block (2), and the outer lugs (23) are uniformly distributed and radially and outwards protrude out of the outer edge of the lug outer semi-annular cylindrical clamping block (2); a single sheet (22) with holes at the end head of one end of one semi-annular cylinder clamping block (2) with lugs is embedded in the middle of two parallel sheets (21) with holes at the end head of one end of the other semi-annular cylinder clamping block (2) with lugs, and the single sheet (22) with holes at the end head of the other end of the other semi-annular cylinder clamping block (2) with lugs is also embedded in the middle of two parallel sheets (21) with holes at the end head of the other end of the semi-annular cylinder clamping block (2) with lugs to form an annular cylinder (20) with outer clamping blocks; the inner clamping block annular cylinder (30) consists of two inner semi-annular cylinder clamping blocks (3);
the inner semi-annular cylindrical clamping block (3) comprises two parallel sheets (31) with end embedded nut holes, a single sheet (32) with end embedded nut holes and embedded nut bolt holes (33); the end socket nut hole parallel double sheets (31) and the end socket nut hole single sheet (32) are respectively arranged at two ends of the inner semi-annular cylinder clamping block (3), the socket nut bolt holes (33) are uniformly distributed and longitudinally run through the inner semi-annular cylinder clamping block (3), the end socket nut hole single sheet (32) at one end of one inner semi-annular cylinder clamping block (3) is embedded into the middle of the end socket nut hole parallel double sheets (31) at one end of the other inner semi-annular cylinder clamping block (3), and the end socket nut hole single sheet (32) at the other end of the other inner semi-annular cylinder clamping block (3) is also embedded into the middle of the end socket nut hole parallel double sheets (31) at the other end of one inner semi-annular cylinder clamping block (3) to form an inner clamping block annular cylinder (30);
the middle elastic annular cylinder (10) is positioned between the outer clamping block annular cylinder (20) and the inner clamping block annular cylinder (30), and the bolt (4) sequentially penetrates through a bolt hole (13) of the outer clamping block annular cylinder (20), a bolt hole (13) of the middle elastic annular cylinder (10) and an embedded nut bolt hole (33) of the inner clamping block annular cylinder (30); the deeper the bolt (4) penetrates through the embedded nut bolt hole (33), the more outward the middle elastic annular cylinder (10) is in a radial expansion state to fill a gap between a cable and a cable protection pipe, and the shallower the bolt (4) penetrates through the embedded nut bolt hole (33), the more inward the middle elastic annular cylinder (10) is in a radial contraction state to be separated from the outer wall of the cable and the inner wall of the cable protection pipe;
the stepped semi-annular cylinder (1) with the hole at the end is made of rubber or thermoplastic elastomer and other materials with elastic performance; the lug-equipped outer semi-annular cylindrical clamping block (2) and the inner semi-annular cylindrical clamping block (3) are made of modified polypropylene or modified polyethylene materials and other hard plastic materials.
The utility model has the advantages that: 1) the middle elastic annular cylinder (10) is controlled by the bolt (4), and the pressure of the outer clamping block annular cylinder (20) and the inner clamping block annular cylinder (30) on the middle elastic annular cylinder (10) can be changed: if the pressure is high, the middle elastic annular cylinder (10) expands greatly, and a gap between the cable and the cable protection pipe is fully filled, so that the purpose of plugging is achieved; if the pressure is low, the middle elastic annular cylinder (10) restores to the original state and is separated from the outer wall of the cable and the inner wall of the cable protection pipe, so that the cable can be conveniently inserted into and taken out of a gap between the cable and the cable protection pipe; 2) the external ear (23) can control the depth of the hollow pipe plug entering a gap between the cable and the cable protection pipe, so that the hollow pipe plug can be conveniently taken out; 3) the middle elastic annular cylinder (10), the outer clamping block annular cylinder (20) and the inner clamping block annular cylinder (30) are all in a semi-annular cylinder shape, the surface of the cable is clamped after the cable is threaded, the cable does not need to be sleeved in advance before the cable is threaded, and the installation is convenient.
Drawings
FIG. 1 is an exploded view of a hollow pipe plug, wherein (1) is a stepped semi-annular cylinder with a hole at the end, (2) is an outer semi-annular cylinder clamping block with a lug, (3) is an inner semi-annular cylinder clamping block, and (4) is a bolt; fig. 2 is a perspective view of the intermediate elastic annular cylinder (10), in which (1) is a stepped semi-annular cylinder with holes at the end, (11) is a right step with holes at the end, (12) is an inverted step with holes at the end, and (13) is a bolt hole; FIG. 3 is a perspective view of the outer clamping block annular cylinder (20), wherein (2) is an eared outer semi-annular cylinder clamping block, (21) is a double parallel plate with holes at the end, (22) is a single plate with holes at the end, (13) is a bolt hole, and (23) is an outer ear;
FIG. 4 is a perspective view of an inner clamp block annular cylinder (30), wherein (3) is an inner semi-annular cylinder clamp block, (31) is an end insert nut hole parallel biplate, (32) is an end insert nut hole monolithic, and (33) is an insert nut bolt hole;
fig. 5 is a perspective view of the hollow pipe plug, wherein (10) is a middle elastic annular cylinder, (20) is an outer clamping block annular cylinder, and (30) is an inner clamping block annular cylinder.
Detailed Description
As shown in fig. 1, the hollow pipe plug comprises a middle elastic annular cylinder 10, an outer clamping block annular cylinder 20, an inner clamping block annular cylinder 30 and a bolt 4.
As shown in fig. 2, the middle elastic annular cylinder 10 is composed of two stepped semi-annular cylinders 1 with holes at the ends.
The stepped semi-annular cylinder 1 with the hole at the end comprises a positive step 11 with the hole at the end, an inverted step 12 with the hole at the end and a bolt hole 13; the porous positive step 11 in end and the porous inverted step 12 in end set up respectively the both ends of the porous step semi-annular cylinder 1 in end, bolt hole 13 evenly distributed vertically link up the porous step semi-annular cylinder 1 in end, the porous positive step 11 in end of the porous step semi-annular cylinder 1 one end in end splices with the porous inverted step 12 in end of the porous step semi-annular cylinder 1 one end in another end, then the porous inverted step 12 in end of the porous step semi-annular cylinder 1 other end in end and the porous positive step 11 in end of the porous step semi-annular cylinder 1 other end in another end just in time overlap joint, form middle elasticity annular cylinder 10.
As shown in fig. 3, the outer clamp block annular cylinder 20 is composed of two lug outer semi-annular cylinder clamp blocks 2.
The semi-annular cylindrical clamping block 2 with the lugs comprises a parallel biplate 21 with holes at the end head, a single plate 22 with holes at the end head, a bolt hole 13 and the lugs 23; the two parallel end plate with holes 21 and the single end plate with holes 22 are respectively arranged at two ends of the lug outer semi-annular cylindrical clamping block 2, the bolt holes 13 are uniformly distributed and longitudinally penetrate through the lug outer semi-annular cylindrical clamping block 2, and the outer lugs 23 are uniformly distributed and radially protrude outwards on the outer edge of the lug outer semi-annular cylindrical clamping block 2; the single sheet 22 with the holes at the end of one clamp block 2 of the outer semi-annular cylinder with the lugs is embedded in the middle of the parallel double sheets 21 with the holes at the end of one end of the other clamp block 2 of the outer semi-annular cylinder with the lugs, and the single sheet 22 with the holes at the end of the other clamp block 2 of the outer semi-annular cylinder with the lugs is also embedded in the middle of the parallel double sheets 21 with the holes at the end of the other end of the clamp block 2 of the outer semi-annular cylinder with the lugs to form an outer clamp block annular.
As shown in fig. 4, the inner block annular cylinder 30 is composed of two inner semi-annular cylinder blocks 3.
The inner semi-annular cylindrical clamping block 3 comprises two parallel sheets 31 of end embedded nut holes, a single sheet 32 of end embedded nut holes and embedded nut bolt holes 33; the end embedded nut hole parallel double plates 31 and the end embedded nut hole single plate 32 are respectively arranged at two ends of the inner semi-annular cylinder clamping block 3, the embedded nut bolt holes 33 are uniformly distributed and longitudinally run through the inner semi-annular cylinder clamping block 3, the end embedded nut hole single plate 32 at one end of one inner semi-annular cylinder clamping block 3 is embedded in the middle of the end embedded nut hole parallel double plates 31 at one end of the other inner semi-annular cylinder clamping block 3, and the end embedded nut hole single plate 32 at the other end of the other inner semi-annular cylinder clamping block 3 is also embedded in the middle of the end embedded nut hole parallel double plates 31 at the other end of the one inner semi-annular cylinder clamping block 3 to form an inner clamping block annular cylinder 30.
As shown in fig. 5, the middle elastic ring cylinder 10 is located between the outer clamping block ring cylinder 20 and the inner clamping block ring cylinder 30, and the bolt 4 sequentially penetrates through the bolt hole 13 of the outer clamping block ring cylinder 20, the bolt hole 13 of the middle elastic ring cylinder 10 and the nut-embedded bolt hole 33 of the inner clamping block ring cylinder 30; the deeper the bolt 4 penetrates the embedded nut bolt hole 33, the more outward the middle elastic annular cylinder 10 is in a radially expanded state to fill a gap between a cable and a cable protection tube, and the shallower the bolt 4 penetrates the embedded nut bolt hole 33, the more inward the middle elastic annular cylinder 10 is in a radially contracted state to be separated from an outer wall of the cable and an inner wall of the cable protection tube.
The stepped semi-annular cylinder 1 with the hole at the end is made of rubber or thermoplastic elastomer and other materials with elastic performance; the lug-equipped outer semi-annular cylindrical clamping block 2 and the lug-equipped inner semi-annular cylindrical clamping block 3 are made of modified polypropylene or modified polyethylene materials and other hard plastic materials.
When the hollow pipe plug is installed, the two inner semi-annular cylindrical clamping blocks 3 are sleeved on the outer wall of the cable to be spliced into an inner clamping block annular cylinder 30; sleeving the two stepped semi-annular cylinders 1 with holes at the end heads on the outer wall of the cable, and splicing to form an intermediate elastic annular cylinder 10; then sleeving the two semi-annular clamping blocks 2 with the lugs on the outer wall of the cable, and splicing to form an outer clamping block annular cylinder 20; then the bolt 4 is sequentially inserted into the bolt hole 13 of the outer clamping block annular cylinder 20, the bolt hole 13 of the middle elastic annular cylinder 10 and the embedded nut bolt hole 33 of the inner clamping block annular cylinder 30, then the hollow pipe plug slides into the cable protection pipe along the outer wall of the cable, finally the bolt 4 is screwed, the middle elastic annular cylinder 10 expands along with the bolt hole, and the gap between the cable and the cable protection pipe is filled, so that the aim of plugging is fulfilled.
Claims (2)
1. The hollow pipe plug is characterized in that: comprises a middle elastic annular cylinder (10), an outer clamping block annular cylinder (20), an inner clamping block annular cylinder (30) and a bolt (4);
the middle elastic annular cylinder (10) consists of two stepped semi-annular cylinders (1) with holes at the ends;
the stepped semi-annular cylinder (1) with the hole at the end comprises a positive step (11) with the hole at the end, a reverse step (12) with the hole at the end and a bolt hole (13); the end hole positive step (11) and the end hole inverted step (12) are respectively arranged at two ends of the end hole step semi-annular cylinder (1), the bolt holes (13) are uniformly distributed and longitudinally penetrate through the end hole step semi-annular cylinder (1), the end hole positive step (11) at one end of the end hole step semi-annular cylinder (1) is spliced with the end hole inverted step (12) at one end of the other end hole step semi-annular cylinder (1), and the end hole inverted step (12) at the other end of one end hole step semi-annular cylinder (1) is just lapped with the end hole positive step (11) at the other end of the other end hole step semi-annular cylinder (1) to form a middle elastic annular cylinder (10);
the outer clamping block annular cylinder (20) consists of two outer semi-annular cylinder clamping blocks (2) with lugs;
the ear-carrying outer semi-annular cylindrical clamping block (2) comprises parallel double plates (21) with holes at the end heads, a single plate (22) with holes at the end heads, bolt holes (13) and outer ears (23); the two parallel end plate (21) with holes and the single end plate (22) with holes are respectively arranged at two ends of the lug outer semi-annular cylindrical clamping block (2), the bolt holes (13) are uniformly distributed and longitudinally penetrate through the lug outer semi-annular cylindrical clamping block (2), and the outer lugs (23) are uniformly distributed and radially and outwards protrude out of the outer edge of the lug outer semi-annular cylindrical clamping block (2); a single sheet (22) with holes at the end head of one end of one semi-annular cylinder clamping block (2) with lugs is embedded in the middle of two parallel sheets (21) with holes at the end head of one end of the other semi-annular cylinder clamping block (2) with lugs, and the single sheet (22) with holes at the end head of the other end of the other semi-annular cylinder clamping block (2) with lugs is also embedded in the middle of two parallel sheets (21) with holes at the end head of the other end of the semi-annular cylinder clamping block (2) with lugs to form an annular cylinder (20) with outer clamping blocks;
the inner clamping block annular cylinder (30) consists of two inner semi-annular cylinder clamping blocks (3);
the inner semi-annular cylindrical clamping block (3) comprises two parallel sheets (31) with end embedded nut holes, a single sheet (32) with end embedded nut holes and embedded nut bolt holes (33); the end socket nut hole parallel double sheets (31) and the end socket nut hole single sheet (32) are respectively arranged at two ends of the inner semi-annular cylinder clamping block (3), the socket nut bolt holes (33) are uniformly distributed and longitudinally run through the inner semi-annular cylinder clamping block (3), the end socket nut hole single sheet (32) at one end of one inner semi-annular cylinder clamping block (3) is embedded into the middle of the end socket nut hole parallel double sheets (31) at one end of the other inner semi-annular cylinder clamping block (3), and the end socket nut hole single sheet (32) at the other end of the other inner semi-annular cylinder clamping block (3) is also embedded into the middle of the end socket nut hole parallel double sheets (31) at the other end of one inner semi-annular cylinder clamping block (3) to form an inner clamping block annular cylinder (30);
the middle elastic annular cylinder (10) is positioned between the outer clamping block annular cylinder (20) and the inner clamping block annular cylinder (30), and the bolt (4) sequentially penetrates through a bolt hole (13) of the outer clamping block annular cylinder (20), a bolt hole (13) of the middle elastic annular cylinder (10) and an embedded nut bolt hole (33) of the inner clamping block annular cylinder (30); the deeper the bolt (4) penetrates through the embedded nut bolt hole (33), the more outward the middle elastic annular cylinder (10) is in a radially expanded state to fill a gap between a cable and a cable protection pipe, and the shallower the bolt (4) penetrates through the embedded nut bolt hole (33), the more inward the middle elastic annular cylinder (10) is in a radially contracted state to be separated from the outer wall of the cable and the inner wall of the cable protection pipe.
2. The hollow pipe plug of claim 1, wherein: the stepped semi-annular cylinder (1) with the hole at the end is made of rubber or thermoplastic elastomer and other materials with elastic performance; the lug-equipped outer semi-annular cylindrical clamping block (2) and the inner semi-annular cylindrical clamping block (3) are made of modified polypropylene or modified polyethylene materials and other hard plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020312775.3U CN211859548U (en) | 2020-03-13 | 2020-03-13 | Hollow pipe plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020312775.3U CN211859548U (en) | 2020-03-13 | 2020-03-13 | Hollow pipe plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211859548U true CN211859548U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020312775.3U Active CN211859548U (en) | 2020-03-13 | 2020-03-13 | Hollow pipe plug |
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| Country | Link |
|---|---|
| CN (1) | CN211859548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346440A (en) * | 2021-05-14 | 2021-09-03 | 宁波东方电缆股份有限公司 | Anchor device for submarine cable with steel wire armor |
-
2020
- 2020-03-13 CN CN202020312775.3U patent/CN211859548U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346440A (en) * | 2021-05-14 | 2021-09-03 | 宁波东方电缆股份有限公司 | Anchor device for submarine cable with steel wire armor |
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