CN112968403A - Cable pipeline hole plugging device - Google Patents

Cable pipeline hole plugging device Download PDF

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Publication number
CN112968403A
CN112968403A CN202110413487.6A CN202110413487A CN112968403A CN 112968403 A CN112968403 A CN 112968403A CN 202110413487 A CN202110413487 A CN 202110413487A CN 112968403 A CN112968403 A CN 112968403A
Authority
CN
China
Prior art keywords
inclined plane
tubular cylinder
diameter
circle
plugging device
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
CN202110413487.6A
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Chinese (zh)
Inventor
高茁力
陈其斌
陈其建
黄云
冯景龙
陈家英
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.)
Chongqing Hongfei Electric Co.,Ltd.
Original Assignee
Chongqing Hua Hong Power Equipment 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 Chongqing Hua Hong Power Equipment Co ltd filed Critical Chongqing Hua Hong Power Equipment Co ltd
Priority to CN202110413487.6A priority Critical patent/CN112968403A/en
Publication of CN112968403A publication Critical patent/CN112968403A/en
Pending legal-status Critical Current

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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
    • 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
    • H02G15/00—Cable fittings
    • H02G15/013—Sealing means for cable inlets

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Gasket Seals (AREA)

Abstract

In order to solve the problems that the plugging performance of the cable pipeline hole plugging device in the prior art is influenced by the elastic deformation performance of rubber, the plugging strength, the plugging range and the durability of the cable pipeline hole plugging device are limited, the invention provides a cable pipeline hole plugging device, which comprises: the left end cover, the right end cover and the rubber seal; the left end cover is a rigid tubular cylinder, and a left inner inclined plane with gradually increased diameter from left to right is arranged at the right end of the inner circle of the tubular cylinder; the right end cover is a rigid tubular cylinder, and the left end of the inner circle of the tubular cylinder is provided with a right inner inclined plane with gradually reduced diameter from left to right; the rubber seal is an elastic tubular cylinder, the left end of the excircle of the tubular cylinder is provided with a left outer sealing inclined plane with gradually-increased diameter from left to right, and the right end of the excircle of the tubular cylinder is provided with a right outer sealing inclined plane with gradually-decreased diameter from left to right. The rubber sealing plug has the beneficial technical effect that the plugging strength, the plugging range and the durability of rubber sealing are improved.

Description

Cable pipeline hole plugging device
Technical Field
The invention relates to a cable pipeline hole plugging technology, in particular to a cable pipeline hole plugging device.
Background
The cable duct hole plugging device is a sealing device arranged in a cable duct and is used for plugging the section of a cable duct hole, namely, a gap between an inner circle of the cable hole and an outer circle of the plugging device and a gap between the inner circle of the plugging device and an outer circle of the cable are plugged through inward and outward expansion, so that the plugging of the section of the cable duct hole is realized. The invention patent of patent No. CN201710373162.3 adopts a U-shaped annular rubber sealing ring with a cross section, the rubber sealing ring is sleeved between a cable and a cable hole, and two edges of the U-shaped cross section of the sealing ring are deformed towards two sides respectively by moving rigid end covers at two sides inwards in opposite directions, so that gaps between an inner circle of the cable hole and an outer circle of a plugging device and gaps between the inner circle of the plugging device and the outer circle of the cable are plugged. Obviously, the sealing realized by completely depending on the elastic deformation of the rubber, the inner side of the sealing contact surface of the rubber sealing ring is hollow, and the sealing strength, the sealing range and the durability of the sealing are limited.
Obviously, the cable pipeline hole plugging device in the prior art has the problems that the inner side of the sealing contact surface of the rubber sealing ring is hollow, the plugging strength, the plugging range and the durability of the rubber sealing ring are limited, and the like.
Disclosure of Invention
The invention provides a cable pipeline hole plugging device, aiming at solving the problems that the plugging performance of the cable pipeline hole plugging device in the prior art is influenced by the elastic deformation performance of rubber, the plugging strength, the plugging range and the durability of the cable pipeline hole plugging device are limited, and the like.
The invention relates to a cable pipeline hole plugging device, which comprises: the left end cover, the right end cover and the rubber seal; the left end cover is a rigid tubular cylinder, and a left inner inclined plane with gradually increased diameter from left to right is arranged at the right end of the inner circle of the tubular cylinder; the right end cover is a rigid tubular cylinder, and the left end of the inner circle of the tubular cylinder is provided with a right inner inclined plane with gradually reduced diameter from left to right; the rubber seal is an elastic tubular cylinder, the left end of the excircle of the tubular cylinder is provided with a left outer sealing inclined plane with gradually increased diameter from left to right, and the right end of the excircle of the tubular cylinder is provided with a right outer sealing inclined plane with gradually decreased diameter from left to right; the axial inclination of the left inner inclined plane is the same as that of the left outer inclined plane, and the maximum diameter of the left inner inclined plane is 0.5-3.0 mm larger than that of the left outer inclined plane; the axial inclination of the right inner inclined plane is the same as that of the right outer inclined plane, and the maximum diameter of the right inner inclined plane is 0.5-3.0 mm larger than the minimum diameter of the right outer inclined plane; and the middle part of the inner circle of the rubber sealing tubular cylinder is provided with an inner circle default ring with a semicircular cross section shape, namely, a semicircular annular gap is arranged from the circle center to the outer circle direction.
Furthermore, the left end and the right end of the inner circle of the rubber sealing tubular cylinder are both provided with sealing rings which are inwards convex in the radial direction and have semicircular cross sections.
Furthermore, the maximum diameter of the inner inclined plane of the right end cover is 3.0 to 6.0mm smaller than that of the inner inclined plane of the left end cover.
Furthermore, the left end cover is a rigid tubular cylinder, and a left outer inclined plane with gradually reduced diameter from left to right is arranged at the right end of the outer circle of the tubular cylinder; the right end cover is a rigid tubular cylinder, and the left end of the excircle of the tubular cylinder is provided with a right outer inclined plane with gradually increased diameter from left to right; the rubber seal is an elastic tubular cylinder, the left end of the inner circle of the tubular cylinder is provided with a left inner sealing inclined plane with gradually reduced diameter from left to right, and the right end of the inner circle of the tubular cylinder is provided with a right inner sealing inclined plane with gradually increased diameter from left to right; the axial inclination of the left outer inclined surface is the same as that of the left inner inclined surface, and the minimum diameter of the left outer inclined surface is 0.5-3.0 mm smaller than the maximum diameter of the left outer inclined surface; the axial inclination of the right outer inclined plane is the same as that of the right inner inclined plane, and the minimum diameter of the right outer inclined plane is 0.5-3.0 mm smaller than the maximum diameter of the right inner inclined plane; and the middle part of the excircle of the rubber sealing tubular cylinder is provided with an excircle notch ring with a semicircular cross section shape, namely a semicircular annular notch is arranged from the excircle to the circle center.
Furthermore, the left end cover and the right end cover are both of a semicircular combined structure, namely, a complete circle is formed by combining two rigid semicircular rings; and a notch penetrating through the whole axial direction is arranged on the pipe wall of the rubber sealing tubular cylinder.
The cable pipeline hole plugging device has the beneficial technical effect that the plugging strength, the plugging range and the durability of rubber sealing are improved.
Drawings
FIG. 1 is a schematic structural diagram of a cable duct hole plugging device of the present invention;
FIG. 2 is a schematic structural view of another embodiment of the cable duct hole plugging device of the present invention;
FIG. 3 is a schematic view of a semicircular combined structure of an end cover of the cable duct hole plugging device of the present invention;
FIG. 4 is a schematic view of a rubber sealing tubular column body wall gap of the cable pipeline hole plugging device of the present invention.
The cable duct hole plugging device of the present invention will be further described with reference to the accompanying drawings and the following detailed description.
Detailed Description
Fig. 1 is a schematic structural diagram of the cable duct hole plugging device of the present invention, in which 1 is a left end cap, 2 is a rubber seal, 2-1 is a semicircular annular gap, 2-2 is a semicircular sealing ring, and 3 is a right end cap. As can be seen from the figure, the cable duct hole plugging device comprises: the left end cover 1, the right end cover 3 and the rubber seal 2; the left end cover 1 is a rigid tubular cylinder, and a left inner inclined plane with gradually increased diameter from left to right is arranged at the right end of the inner circle of the tubular cylinder; the right end cover 3 is a rigid tubular cylinder, and the left end of the inner circle of the tubular cylinder is provided with a right inner inclined plane with gradually reduced diameter from left to right; the rubber seal 2 is an elastic tubular cylinder, the left end of the excircle of the tubular cylinder is provided with a left outer sealing inclined plane with gradually increased diameter from left to right, and the right end of the excircle of the tubular cylinder is provided with a right outer sealing inclined plane with gradually decreased diameter from left to right; the axial inclination of the left inner inclined plane is the same as that of the left outer inclined plane, and the maximum diameter of the left inner inclined plane is 0.5-3.0 mm larger than that of the left outer inclined plane; the axial inclination of the right inner inclined plane is the same as that of the right outer inclined plane, and the maximum diameter of the right inner inclined plane is 0.5-3.0 mm larger than the minimum diameter of the right outer inclined plane; and the middle part of the inner circle of the rubber sealing tubular cylinder is provided with an inner circle default ring 2-1 with a semicircular cross section shape, namely, a semicircular annular gap is arranged from the circle center to the outer circle direction. When the cable pipeline hole plugging device is used specifically, according to the diameter of a cable pipeline hole and the outer diameter of a cable, the cable pipeline hole plugging device is selected, the left end cover, the sealing rubber and the right end cover are sequentially sleeved on the cable and placed at a proper position of the cable pipeline hole, the distance between the left end cover and the right end cover is gradually reduced through the tensioning bolt, and the inner inclined plane of the left end cover gradually enters the left outer sealing inclined plane, and the inner inclined plane of the right end cover gradually enters the right outer sealing inclined plane. Because the axial inclination between the inclined plane is two liang the same, and the end cover is rigidity, rubber seal is elasticity, and the interior inclined plane of end cover will extrude the left and right both ends of rubber seal and all inwards expand gradually, simultaneously, extrude the inside circle ring segment of lacking in the semicircular in rubber seal middle part and outwards expand gradually to realize the shutoff of cable duct hole section.
In order to improve the sealing effect, the left end and the right end of the inner circle of the rubber sealing tubular cylinder are respectively provided with a sealing ring 2-2 which is inwards convex in the radial direction and has a semicircular section. The sealing ring is arranged, so that the rubber seal can adapt to the inner wall of a rough cable pipeline or the surface of a cable, and the rubber seal is gradually unfolded from a point to a line to a surface in contact with the pipeline wall or the surface of the cable, so that the sealing effect is better.
In order to prevent the rubber sealing end from being blocked under the extrusion of the inner inclined plane of the end cover, the semicircular inner circular segment ring part at the middle part of the rubber sealing is not protruded in place, and the minimum diameter of the inner inclined plane of the right end cover is 3.0-6.0 mm smaller than that of the inner inclined plane of the left end cover. From this, even when "card dead" phenomenon takes place in left end lid one side, the right-hand member lid still can implement the extrusion to rubber seal to guarantee that the semicircle internal circle in rubber seal middle part lacks ring portion "protrusion" and targets in place, guarantees sealed effect.
Fig. 2 is a schematic structural view of another embodiment of the cable duct hole plugging device of the present invention, in which 1 is a left end cap, 2 is a rubber seal, 2-1 is a semicircular annular gap, 2-2 is a semicircular sealing ring, and 3 is a right end cap. It can be seen from the figure that this embodiment is actually a modification of the previous embodiment, and the structure in which the two ends of the rubber seal are expanded inward and the middle part is expanded outward is changed into a structure in which the two ends are expanded outward and the middle part is expanded inward. The left end cover is a rigid tubular cylinder, and a left outer inclined plane with gradually reduced diameter from left to right is arranged at the right end of the outer circle of the tubular cylinder; the right end cover is a rigid tubular cylinder, and the left end of the excircle of the tubular cylinder is provided with a right outer inclined plane with gradually increased diameter from left to right; the rubber seal is an elastic tubular cylinder, the left end of the inner circle of the tubular cylinder is provided with a left inner sealing inclined plane with gradually reduced diameter from left to right, and the right end of the inner circle of the tubular cylinder is provided with a right inner sealing inclined plane with gradually increased diameter from left to right; the axial inclination of the left outer inclined surface is the same as that of the left inner inclined surface, and the minimum diameter of the left outer inclined surface is 0.5-3.0 mm smaller than the maximum diameter of the left outer inclined surface; the axial inclination of the right outer inclined plane is the same as that of the right inner inclined plane, and the minimum diameter of the right outer inclined plane is 0.5-3.0 mm smaller than the maximum diameter of the right inner inclined plane; and the middle part of the excircle of the rubber sealing tubular cylinder is provided with an excircle notch ring with a semicircular cross section shape, namely a semicircular annular notch is arranged from the excircle to the circle center. Obviously, the working principle of this embodiment is the same as that of the previous embodiment, and the difference is only that the extension directions of the two ends and the middle part are different, and the description is omitted.
Fig. 3 is a schematic view of a semicircular combined structure of an end cover of the cable pipeline hole plugging device, and fig. 4 is a schematic view of a rubber sealing tubular column body pipe wall gap of the cable pipeline hole plugging device. As can be seen from the figure, in order to facilitate the sleeving of the cable pipeline hole plugging device on a cable, the left end cover and the right end cover are both in a semicircular combined structure, namely, two rigid semicircular rings are combined into a whole circle; and a notch penetrating through the whole axial direction is arranged on the pipe wall of the rubber sealing tubular cylinder. During the suit, can be with two semicircles of end cover from cable both sides spiral-lock on the cable, rethread tie bolt fixes, can be with left end cover and right-hand member lid suit on the cable. The rubber sealing tubular column body can be broken off from the axial gap and is restored into the tubular column body by the elasticity of the rubber. By adopting the structure, construction can be more conveniently carried out.
Obviously, the beneficial technical effect of the cable pipeline hole plugging device of the invention is that the plugging strength, the plugging range and the durability of the rubber seal are improved.

Claims (5)

1. A cable duct hole plugging device, characterized in that, this plugging device includes: the left end cover, the right end cover and the rubber seal; the left end cover is a rigid tubular cylinder, and a left inner inclined plane with gradually increased diameter from left to right is arranged at the right end of the inner circle of the tubular cylinder; the right end cover is a rigid tubular cylinder, and the left end of the inner circle of the tubular cylinder is provided with a right inner inclined plane with gradually reduced diameter from left to right; the rubber seal is an elastic tubular cylinder, the left end of the excircle of the tubular cylinder is provided with a left outer sealing inclined plane with gradually increased diameter from left to right, and the right end of the excircle of the tubular cylinder is provided with a right outer sealing inclined plane with gradually decreased diameter from left to right; the axial inclination of the left inner inclined plane is the same as that of the left outer inclined plane, and the maximum diameter of the left inner inclined plane is 0.5-3.0 mm larger than that of the left outer inclined plane; the axial inclination of the right inner inclined plane is the same as that of the right outer inclined plane, and the maximum diameter of the right inner inclined plane is 0.5-3.0 mm larger than the minimum diameter of the right outer inclined plane; and the middle part of the inner circle of the rubber sealing tubular cylinder is provided with an inner circle default ring with a semicircular cross section shape, namely, a semicircular annular gap is arranged from the circle center to the outer circle direction.
2. The cable duct hole plugging device according to claim 1, wherein the left and right ends of the inner circle of said rubber sealing tubular cylinder are each provided with a sealing ring having a semicircular cross-sectional shape and protruding inward in a radial direction.
3. The cable duct orifice plugging device of claim 1, wherein a maximum diameter of said right internal chamfer is 3.0 to 6.0mm smaller than a maximum diameter of said left internal chamfer.
4. The plugging device for cable duct holes according to claim 1, wherein the left end cap is a rigid tubular cylinder, and the right end of the outer circle of the tubular cylinder is provided with a left outer inclined surface with gradually reduced diameter from left to right; the right end cover is a rigid tubular cylinder, and the left end of the excircle of the tubular cylinder is provided with a right outer inclined plane with gradually increased diameter from left to right; the rubber seal is an elastic tubular cylinder, the left end of the inner circle of the tubular cylinder is provided with a left inner sealing inclined plane with gradually reduced diameter from left to right, and the right end of the inner circle of the tubular cylinder is provided with a right inner sealing inclined plane with gradually increased diameter from left to right; the axial inclination of the left outer inclined surface is the same as that of the left inner inclined surface, and the minimum diameter of the left outer inclined surface is 0.5-3.0 mm smaller than the maximum diameter of the left outer inclined surface; the axial inclination of the right outer inclined plane is the same as that of the right inner inclined plane, and the minimum diameter of the right outer inclined plane is 0.5-3.0 mm smaller than the maximum diameter of the right inner inclined plane; and the middle part of the excircle of the rubber sealing tubular cylinder is provided with an excircle notch ring with a semicircular cross section shape, namely a semicircular annular notch is arranged from the excircle to the circle center.
5. The cable duct hole plugging device according to any one of claims 1 to 4, wherein said left end cap and said right end cap are both semi-circular combined structures, i.e. two rigid semi-circular rings are combined into a complete circle; and a notch penetrating through the whole axial direction is arranged on the pipe wall of the rubber sealing tubular cylinder.
CN202110413487.6A 2021-04-16 2021-04-16 Cable pipeline hole plugging device Pending CN112968403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110413487.6A CN112968403A (en) 2021-04-16 2021-04-16 Cable pipeline hole plugging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110413487.6A CN112968403A (en) 2021-04-16 2021-04-16 Cable pipeline hole plugging device

Publications (1)

Publication Number Publication Date
CN112968403A true CN112968403A (en) 2021-06-15

Family

ID=76280738

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110413487.6A Pending CN112968403A (en) 2021-04-16 2021-04-16 Cable pipeline hole plugging device

Country Status (1)

Country Link
CN (1) CN112968403A (en)

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Effective date of registration: 20210913

Address after: 400708 No. 1, building 30, No. 101, Jiade Avenue, Shijialiang Town, Beibei District, Chongqing

Applicant after: Chongqing Hongfei Electric Co.,Ltd.

Address before: 400026 3-1,3-2,3-3, unit 2, building 1, 9 Gangning Road, Jiangbei District, Chongqing

Applicant before: Chongqing Hua Hong Power Equipment Co.,Ltd.

TA01 Transfer of patent application right