CN214412142U - Cable pipeline hole plugging device - Google Patents
Cable pipeline hole plugging device Download PDFInfo
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- CN214412142U CN214412142U CN202120783746.XU CN202120783746U CN214412142U CN 214412142 U CN214412142 U CN 214412142U CN 202120783746 U CN202120783746 U CN 202120783746U CN 214412142 U CN214412142 U CN 214412142U
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Abstract
For solving prior art cable duct hole plugging device and having the influence that the shutoff performance received rubber elastic deformation performance, its shutoff intensity, shutoff scope and durability all comparatively limited scheduling problem, the utility model provides a cable duct hole plugging device, include: 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 utility model discloses the useful technological effect of electricity is that rubber seal's shutoff intensity, shutoff scope and durability all improve to some extent.
Description
Technical Field
The utility model relates to cable duct hole plugging technique, in particular to cable duct 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. Patent No. CN 201710373162.3's utility model patent adopts transversal section to be U type annular rubber seal, with its suit between cable and cable hole, inwards moves in opposite directions through both sides rigidity end cover for two edges of the U type section of sealing washer are respectively to both sides deformation, thereby circle and the clearance between the plugging device excircle and between the circle and the cable excircle in the shutoff cable hole between the circle and the plugging device excircle. 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.
SUMMERY OF THE UTILITY MODEL
For solving prior art cable duct hole plugging device and having the influence that the shutoff performance received rubber elastic deformation performance, its shutoff intensity, shutoff scope and durability all comparatively limited scheduling problem, the utility model provides a cable duct hole plugging device.
The utility model discloses cable conduit hole plugging device, include: 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 utility model discloses cable conduit hole plugging device's beneficial technological effect is that rubber seal's shutoff intensity, shutoff scope and durability all improve to some extent.
Drawings
FIG. 1 is a schematic structural diagram of the cable duct hole plugging device of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the cable duct hole plugging device of the present invention;
FIG. 3 is a schematic view of a semicircular combination structure of an end cover of the cable conduit hole plugging device of the present invention;
fig. 4 is a schematic view of the gap of the rubber sealing tubular column tube wall of the plugging device for cable conduit holes of the utility model.
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 notch, 2-2 is a semicircular sealing ring, and 3 is a right end cap. According to the drawing, the utility model discloses cable conduit hole plugging device includes: 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 specifically using, according to the diameter in cable duct hole and the external diameter of cable, the choice size is suitable the utility model discloses cable duct hole plugging device, with left end lid, sealing rubber and right-hand member lid suit in proper order on the cable, place at cable duct hole suitable position, make distance between left end lid and the right-hand member lid diminish gradually through tie bolt for left end lid inner inclined plane gets into sealed left outer inclined plane gradually, right-hand member lid inner inclined plane gets into sealed right outer inclined plane gradually. 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 diagram of another embodiment of the cable conduit 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 notch, 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 the utility model discloses the semicircle integrated configuration schematic diagram of cable duct hole plugging device end cover, and fig. 4 is the utility model discloses cable duct hole plugging device rubber seal tubulose cylinder pipe wall breach schematic diagram. As can be seen from the figure, in order to facilitate the sleeving of the cable pipeline hole plugging device of the utility model on a cable, the left end cover and the right end cover are both in a semicircular combined structure, i.e. two rigid semicircular 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. 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 utility model discloses cable conduit hole plugging device's beneficial technological effect is that rubber seal's shutoff intensity, shutoff scope and durability all improve to some extent.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120783746.XU CN214412142U (en) | 2021-04-16 | 2021-04-16 | Cable pipeline hole plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120783746.XU CN214412142U (en) | 2021-04-16 | 2021-04-16 | Cable pipeline hole plugging device |
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| Publication Number | Publication Date |
|---|---|
| CN214412142U true CN214412142U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120783746.XU Active CN214412142U (en) | 2021-04-16 | 2021-04-16 | Cable pipeline hole plugging device |
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|---|---|
| CN (1) | CN214412142U (en) |
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2021
- 2021-04-16 CN CN202120783746.XU patent/CN214412142U/en active Active
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