CN110571727A - cable pipeline plugging device with high sealing performance - Google Patents

cable pipeline plugging device with high sealing performance Download PDF

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Publication number
CN110571727A
CN110571727A CN201910913028.7A CN201910913028A CN110571727A CN 110571727 A CN110571727 A CN 110571727A CN 201910913028 A CN201910913028 A CN 201910913028A CN 110571727 A CN110571727 A CN 110571727A
Authority
CN
China
Prior art keywords
ring body
clamping plate
groove
annular
outer ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910913028.7A
Other languages
Chinese (zh)
Inventor
童应豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yiwu Qiaomu Electric Co Ltd
Original Assignee
Yiwu Qiaomu Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yiwu Qiaomu Electric Co Ltd filed Critical Yiwu Qiaomu Electric Co Ltd
Priority to CN201910913028.7A priority Critical patent/CN110571727A/en
Publication of CN110571727A publication Critical patent/CN110571727A/en
Pending legal-status Critical Current

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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
    • H02G3/02—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
    • 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
    • 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
    • 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
    • H02G9/04—Installations of electric cables or lines in or on the ground or water in surface ducts; Ducts or covers therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

The invention relates to a cable pipeline plugging device with high sealing performance. It includes annular inner splint, annular elasticity shutoff piece and annular outer splint, wear to be equipped with a plurality of fasteners that will block up the piece clamp tightly between inner splint and the outer splint, the shutoff piece blocks up has sealed lid, the shutoff piece is including the inner ring body and the outer ring body of mutual gomphosis, the tank bottom of outer ring channel is the sunken setting in the outside, the inner wall of inner ring body is its terminal surface setting of perpendicular to, the inner ring groove has been seted up on the outer wall of inner ring body, the tank bottom of inner ring groove is the sunken setting in the inside, the part that just is located outer ring channel both sides on the outer ring body is bordured outward, the part that just is located inner ring channel both sides on the inner ring body is bordured for interior, the outer of same side is all to laminate the setting from top to bottom with interior bordureing, the fastener is for passing. The invention is easy to deform, has obvious deformation and good plugging effect.

Description

Cable pipeline plugging device with high sealing performance
Technical Field
The invention relates to a pipeline plugging device, in particular to a cable pipeline plugging device with high sealing property.
Background
The pipeline plugging device is a sealing device arranged in a cable pipeline and used for plugging the section of the cable pipeline, the original plugging device is of a ventilating and expanding structure, an external air pump is needed, and the installation steps are complex. Therefore, a Chinese patent (patent number: 201721773789. X) named as a dual-purpose cable duct plugging device is invented, which comprises a first annular flexible sealing element and a second annular flexible sealing element which are arranged in a stacked mode, press rings respectively arranged at two ends of the first annular flexible sealing element and the second annular flexible sealing element, and a plurality of fasteners which are used for connecting the press rings at the two ends with the first annular flexible sealing element and the second annular flexible sealing element into a whole and can clamp the press rings to force the first annular flexible sealing element and the second annular flexible sealing element to deform. The invention can be used for plugging pipelines with cables and reserved pipelines without cables, and is convenient to install and use. However, the fastener in the invention passes through the deformation area of the rubber, so that the deformation effect of the rubber is poor, and the sealing effect of the product is poor.
Disclosure of Invention
The invention provides a cable pipeline plugging device with high sealing performance; the problem of exist among the prior art sealed effect not good is solved.
The technical problem of the invention is mainly solved by the following technical scheme: the utility model provides a cable duct plugging device with high leakproofness, includes annular inner splint, annular elasticity plugging block and annular outer splint, and the plugging block generally is the rubber material, wears to be equipped with a plurality of roots between inner splint and the outer splint and presss from both sides tight fastener with the plugging block, and the plugging block has sealed lid, its characterized in that: the blocking block comprises an inner ring body and an outer ring body which are mutually embedded, the outer wall of the outer ring body is perpendicular to the end face of the outer ring body, an outer annular groove is formed in the inner wall of the outer ring body, the groove bottom of the outer annular groove is recessed towards the outer side, the inner wall of the inner ring body is perpendicular to the end face of the inner ring body, an inner annular groove is formed in the outer wall of the inner ring body, the groove bottom of the inner annular groove is recessed towards the inner side, the portions, located on the two sides of the outer annular groove, of the outer ring body are covered edges, the portions, located on the two sides of the inner annular groove, of the inner ring body are covered edges, the outer covered edges and the inner covered edges of the same side are mutually attached to each other from top to bottom, the fastener penetrates through all the inner covered edges and the outer covered. In the actual installation process, the whole pipe plugging device is plugged into a pipe, the fastening piece is generally a bolt, the distance between the inner clamping plate and the outer clamping plate can be reduced by rotating the bolt, so that the inner ring body and the outer ring body are pressed to deform, wherein the rubber in the areas of the inner ring groove and the outer ring groove is gradually thinned from two sides to the middle, the side wall of the inner ring body tends to bulge inwards, the side wall of the outer ring body tends to bulge outwards, and when the inner ring body and the sealing cover are completely and tightly attached, the outer ring body and the inner wall of the pipe are completely and tightly attached, at the moment, the pipe is completely. The inner wrapping edge on the inner ring body and the outer wrapping edge on the outer ring body are mutually embedded, and the fastening piece penetrates through the inner wrapping edge and the outer wrapping edge, so that the inner ring body and the outer ring body can be fixed into a whole, and the deformation area of the inner wrapping edge and the outer wrapping edge is not influenced, so that the inner ring body and the outer ring body are easy to deform, obvious in deformation and good in plugging effect.
Preferably, the cross section of the bottom of the inner annular groove is arranged at an isosceles included angle, and the included angle is an obtuse angle. Because the groove bottom of the inner annular groove is annular, the top of the isosceles included angle can form an annular folding line which can induce the rubber to bend and deform along the distribution direction of the rubber, so that the bending deformation direction is more controllable, the side wall of the inner annular body is prevented from deforming in the direction far away from the axis, and the reliability of the rubber sealing ring is improved.
Preferably, the bottom of the inner annular groove is annularly arrayed with a plurality of rhombic pits, and the longitudinal height of each pit is larger than the transverse width of each pit. Because the side wall of the inner ring body is bent towards the axis, the inner diameter of the broken line where the side wall is located can be gradually reduced, so that repulsive force is generated between rubbers, and deformation is hindered. The rhombic pits can provide deformation space for rubber, release mutual internal stress and facilitate increasing of deformation quantity.
Preferably, the cross section of the groove bottom of the outer annular groove is arranged at an isosceles included angle, and the included angle is an obtuse angle. The principle of the outer ring groove is consistent with that of the inner ring groove, so that the bending deformation direction is more controllable, the side wall of the outer ring body is prevented from deforming inwards, and the reliability of the invention is improved.
Preferably, the outer wall of the outer ring body, which is close to one side of the inner clamping plate, is provided with a chamfer, so that the outer diameter of the outer ring body, which is close to one side of the inner clamping plate, is reduced, and the pipe can be plugged into the pipe more easily.
as preferred, interior splint, outer splint, shutoff piece three are coaxial setting, and the internal diameter of interior splint and outer splint is greater than the internal diameter of shutoff piece, and the external diameter of interior splint and outer splint is less than the external diameter of shutoff piece, and the external diameter of interior splint is less than the external diameter of outer splint. The inner clamping plate and the outer clamping plate only have the function of clamping the plugging block, the smaller the inner clamping plate and the outer clamping plate is, the better the outer clamping plate and the inner clamping plate are, the better the clamping effect is, the cost is saved, meanwhile, the contact surface between the inner clamping plate and the inner wall of the pipeline only exists on the plugging block, and the contact surface between the inner clamping plate and the inner wall of the pipeline is ensured to be large enough.
Preferably, the annular surface of the inner clamping plate on the side close to the blocking block is arranged to be integrally and smoothly bulged, and the annular surface of the outer clamping plate on the side close to the blocking block is arranged to be integrally and smoothly bulged. This increases the contact surface with the block while preventing displacement of the block cross-section.
Preferably, the side wall of the outer clamping plate is provided with a plurality of clamping blocks in an outward protruding mode, and the maximum outer diameter of each clamping block is larger than that of the outer ring body. The clamping block can play a limiting role to prevent the invention from integrally entering the pipeline.
Therefore, compared with the prior art, the invention has the following characteristics: 1. the inner ring body and the outer ring body are mutually embedded through the inner wrapping edge and the outer wrapping edge, and the fastener penetrates through the inner wrapping edge and the outer wrapping edge, so that the deformation areas of the inner ring body and the outer ring body are not influenced, the invention is easier to deform, and the plugging effect is good; 2. the inner annular groove and the outer annular groove are provided with folding lines which are beneficial to folding deformation, so that the direction of the bending deformation is more controllable; 3. the bottom of the inner annular groove is annularly arrayed with a plurality of rhombic pits, which is beneficial to increasing the deformation quantity.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a perspective view of the present invention;
Figure 4 is a disassembled schematic view of the inner and outer rings.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1: referring to fig. 1 and 3, a cable pipeline plugging device with high sealing performance comprises an annular inner clamping plate 1, an annular rubber plugging block and an annular outer clamping plate 2, wherein 6 bolts 3 penetrate between the inner clamping plate 1 and the outer clamping plate 2, the heads of the bolts 3 are connected with the outer clamping plate 2 in a clamping manner, fastening nuts 4 matched with the bolts 3 are fixed on the inner clamping plate 1, a sealing cover 5 is plugged in the plugging block, the plugging block comprises an inner ring body 6 and an outer ring body 7 which are mutually embedded, the outer wall of the outer ring body 7 is perpendicular to the end face of the outer ring body, an outer ring groove 71 is formed in the inner wall of the outer ring body 7, the groove bottom of the outer ring groove 71 is recessed outwards, the inner wall of the inner ring body 6 is perpendicular to the end face of the inner ring body 6, an inner ring groove 61 is formed in the outer wall of the inner ring groove 61, the groove bottom of the inner ring groove 61 is recessed inwards, the parts, which are positioned on the outer, the parts of the inner ring body 6, which are positioned at two sides of the inner ring-shaped groove 61, are inner wrapping edges 62, the two inner wrapping edges 62 on the inner ring body are arranged between the two outer wrapping edges 72 in an embedded mode, the fasteners are arranged in a mode of penetrating through all the inner wrapping edges 62 and the outer wrapping edges 72 simultaneously, and intersection exists between the width distribution of the side wall of the sealing cover 5 and the width distribution of the inner ring-shaped groove 61. In the actual installation process, the pipeline plugging device is integrally plugged into a pipeline, the distance between the inner clamping plate and the outer clamping plate can be reduced by rotating the bolt, so that the inner ring body and the outer ring body are pressed to deform, wherein the rubber in the areas of the inner annular groove and the outer annular groove is gradually thinned and distributed from two sides to the middle part, the side wall of the inner ring body tends to bulge inwards, the side wall of the outer ring body tends to bulge outwards, and when the inner ring body and the sealing cover are completely and tightly attached, the outer ring body and the inner wall of the pipeline are completely and tightly attached, at the moment, the pipeline plugging. The inner wrapping edge on the inner ring body and the outer wrapping edge on the outer ring body are mutually embedded, and the fastening piece penetrates through the inner wrapping edge and the outer wrapping edge, so that the inner ring body and the outer ring body can be fixed into a whole, and the deformation area of the inner wrapping edge and the outer wrapping edge is not influenced, so that the inner ring body and the outer ring body are easy to deform, obvious in deformation and good in plugging effect. In actual production, in order to simplify the process, the inner ring body and the outer ring body are both composed of two semi-rings, and the splicing lines of the two semi-rings are arranged in a staggered mode, so that bolts can fix the two semi-rings together conveniently (see fig. 4).
Referring to fig. 1, the cross section of the bottom of the inner annular groove 61 is an isosceles included angle, and the included angle is an obtuse angle. Because the groove bottom of the inner annular groove is annular, the top of the isosceles included angle can form an annular folding line which can induce the rubber to bend and deform along the distribution direction of the rubber, so that the bending deformation direction is more controllable, the side wall of the inner annular body is prevented from deforming in the direction far away from the axis, and the reliability of the rubber sealing ring is improved.
Referring to fig. 4, the bottom of the inner annular groove 61 is provided with a plurality of diamond-shaped pits 8 in an annular array, and the longitudinal height of each pit 8 is larger than the transverse width of each pit 8. Because the side wall of the inner ring body is bent towards the axis, the inner diameter of the broken line where the side wall is located can be gradually reduced, so that repulsive force is generated between rubbers, and deformation is hindered. The rhombic pits can provide deformation space for rubber, release mutual internal stress and facilitate increasing of deformation quantity.
Referring to fig. 1, the cross section of the bottom of the outer annular groove 71 is an isosceles included angle, and the included angle is an obtuse angle. The principle of the outer ring groove is consistent with that of the inner ring groove, so that the bending deformation direction is more controllable, the side wall of the outer ring body is prevented from deforming inwards, and the reliability of the invention is improved.
Referring to fig. 2, the outer wall of the outer ring body 7 near the inner clamping plate 1 is provided with a chamfer 73 to reduce the outer diameter of the outer ring body near the inner clamping plate, so that the pipe can be plugged more easily.
See figure 1, interior splint 1, outer splint 2, shutoff piece three are coaxial setting, and the internal diameter of interior splint 1 and outer splint 2 is greater than the internal diameter of shutoff piece, and the external diameter of interior splint 1 and outer splint 2 is less than the external diameter of shutoff piece, and the external diameter of interior splint 1 is less than the external diameter of outer splint 2. The inner clamping plate and the outer clamping plate only have the function of clamping the plugging block, the smaller the inner clamping plate and the outer clamping plate is, the better the outer clamping plate and the inner clamping plate are, the better the clamping effect is, the cost is saved, meanwhile, the contact surface between the inner clamping plate and the inner wall of the pipeline only exists on the plugging block, and the contact surface between the inner clamping plate and the inner wall of the pipeline is ensured to be large enough.
Referring to fig. 1, the annular surface of the inner splint 1 near the blocking block is arranged to be a whole smooth bulge, and the annular surface of the outer splint 2 near the blocking block is arranged to be a whole smooth bulge. This increases the contact surface with the block while preventing displacement of the block cross-section.
Referring to fig. 3, a plurality of locking blocks 21 are convexly arranged on the side wall of the outer clamping plate 2 towards the outside, and the maximum outer diameter of the locking blocks 21 is larger than that of the outer ring body 7. The clamping block can play a limiting role to prevent the invention from integrally entering the pipeline.
It will be obvious to those skilled in the art that the present invention may be varied in many ways, and that such variations are not to be regarded as a departure from the scope of the invention. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of this claim.

Claims (8)

1. The utility model provides a cable duct plugging device with high leakproofness, includes annular inner splint (1), annular elasticity plugging block and annular outer splint (2), wears to be equipped with a plurality of roots between inner splint (1) and outer splint (2) and presss from both sides tight fastener with the plugging block, and the plugging block has sealed lid (5), its characterized in that: the blocking block comprises an inner ring body (6) and an outer ring body (7) which are mutually embedded, the outer wall of the outer ring body (7) is perpendicular to the end face of the outer ring body, an outer ring groove (71) is formed in the inner wall of the outer ring body (7), the groove bottom of the outer ring groove (71) is recessed towards the outside, the inner wall of the inner ring body (6) is perpendicular to the end face of the inner ring body, an inner ring groove (61) is formed in the outer wall of the inner ring body (6), the groove bottom of the inner ring groove (61) is recessed towards the inside, the parts, located on the two sides of the outer ring groove (71), of the outer ring body (7) are outer covered edges (72), the parts, located on the two sides of the inner ring body (6) and located on the two sides of the inner ring groove (61) are inner covered edges (62), the outer covered edges (72) and the inner covered edges (62) are mutually attached to each other at the same side, the width distribution of the side wall of the cover (5) and the width distribution of the inner annular groove (61) intersect.
2. The cable duct sealer with high sealability of claim 1, wherein: the cross section of the bottom of the inner annular groove (61) is arranged at an isosceles included angle, and the included angle is an obtuse angle.
3. The cable duct sealer with high sealability according to claim 1 or 2, wherein: the bottom of the inner annular groove (61) is annularly arrayed with a plurality of rhombic pits (8), and the longitudinal height of each pit (8) is larger than the transverse width of each pit.
4. The cable duct sealer with high sealability of claim 3, wherein: the cross section of the groove bottom of the outer ring groove (71) is arranged in an isosceles included angle which is an obtuse angle.
5. The cable duct sealer with high sealability of claim 4, wherein: the outer wall of the outer ring body (7) close to one side of the inner splint (1) is provided with a chamfer (73).
6. The cable duct sealer with high sealability of claim 5, wherein: the inner clamping plate (1), the outer clamping plate (2) and the blocking block are coaxially arranged, the inner diameter of the inner clamping plate (1) and the inner diameter of the outer clamping plate (2) are larger than the inner diameter of the blocking block, the outer diameter of the inner clamping plate (1) and the outer clamping plate (2) is smaller than the outer diameter of the blocking block, and the outer diameter of the inner clamping plate (1) is smaller than the outer diameter of the outer clamping plate (2).
7. The cable duct sealer with high sealability of claim 6, wherein: the annular surface of the inner clamping plate (1) close to one side of the plugging block is arranged in a whole smooth and protruding mode, and the annular surface of the outer clamping plate (2) close to one side of the plugging block is arranged in a whole smooth and protruding mode.
8. The cable duct sealer with high sealability of claim 7, wherein: the side wall of the outer clamping plate (2) is convexly provided with a plurality of clamping blocks (21) outwards, and the maximum outer diameter of each clamping block (21) is larger than that of the outer ring body (7).
CN201910913028.7A 2019-09-25 2019-09-25 cable pipeline plugging device with high sealing performance Pending CN110571727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910913028.7A CN110571727A (en) 2019-09-25 2019-09-25 cable pipeline plugging device with high sealing performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910913028.7A CN110571727A (en) 2019-09-25 2019-09-25 cable pipeline plugging device with high sealing performance

Publications (1)

Publication Number Publication Date
CN110571727A true CN110571727A (en) 2019-12-13

Family

ID=68782430

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910913028.7A Pending CN110571727A (en) 2019-09-25 2019-09-25 cable pipeline plugging device with high sealing performance

Country Status (1)

Country Link
CN (1) CN110571727A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112886498A (en) * 2021-03-26 2021-06-01 韩彩平 Cable pipe orifice plugging device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112886498A (en) * 2021-03-26 2021-06-01 韩彩平 Cable pipe orifice plugging device
CN112886498B (en) * 2021-03-26 2022-07-15 国网福建省电力有限公司尤溪县供电公司 Cable pipe orifice plugging device

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