CN204144887U - A kind of cable tube plugging device - Google Patents

Abstract

The utility model discloses a cable tube plugging device, which relates to the technical field of cable protection tools. It includes an inner sealing sleeve and an outer sealing sleeve, the outer sealing sleeve is a sleeve body formed by connecting the first upper sub-sleeve and the first lower sub-sleeve, the first upper sub-sleeve and the first lower sub-sleeve They are all equipped with sleeve holes, which form stepped holes, and a plurality of lock holes are arranged on the upper surface of the first lower sub-sleeve; the inner sealing sleeve is a sleeve formed by connecting the second upper sub-sleeve and the second lower sub-sleeve. body, the inside of the inner sealing sleeve is a central hole, and the upper surface of the second lower sub-sleeve is evenly arranged with lock rings with the same number as the lock holes, and the positions of the lock rings and the lock holes correspond to each other. There are also flanges on the edges. The inner and outer parts of the occluder cooperate with each other, can better seal the cable pipe mouth, and have good sealing, strong durability, corrosion resistance, and good shock resistance.

Description

A cable duct blocker

technical field

The utility model relates to the technical field of cable protection tools. the

Background technique

In the power system, the cable is the most commonly used power transmission device. The type of the cable is different according to the transmission power. Generally, the cable used for transmission is buried underground, which is conducive to the protection of the cable. However, for some geographical locations In special places, cables cannot be buried underground. For example, if a large bridge needs to be crossed, etc., if the cable is not buried underground, additional protective measures are required to ensure that the cable is durable and protected from the external environment. The existing method is to pass the cable through the cable tube for protection. The cable tube can be made of concrete or metal, but when the cable passes through the cable tube, the end of the cable tube needs to be sealed. The previous plugging method is to use plugging mud and concrete. The plugging mud can temporarily block the port, but its strength is not enough, and it will fall off after a long time. Although the concrete has high strength, it is not earthquake-resistant. Cracks appear, so the above two plugging methods are not effective.

Therefore, in view of the above problems, a simple and convenient device with better sealing effect is needed. the

Utility model content

The technical problem to be solved by the utility model is to provide a cable pipe occluder, the inner and outer sealing sleeves of the occluder cooperate with each other, and can better seal the cable pipe mouth, with good sealing, strong durability, Corrosion resistance, and good shock resistance.

In order to solve the above-mentioned problems, the technical solution adopted by the utility model is: a cable pipe occluder, including a separate inner layer sealing sleeve and an outer layer sealing sleeve that cooperate with each other, and the outer layer sealing sleeve is made of The first upper sub-sleeve and the first lower sub-sleeve with different diameters are connected to form a hollow cylindrical sleeve with a convex cross-section. Both the first upper sub-sleeve and the first lower sub-sleeve are provided with casing holes. The two sets of holes described above form stepped holes with a convex cross-section, and the stepped holes communicate with the upper and lower surfaces of the outer sealing sleeve respectively, and surround the upper surface of the first lower sub-sleeve connected with the first upper sub-sleeve. A plurality of keyholes are evenly arranged in the upper sub-sleeve; the inner sealing sleeve is a hollow cylindrical sleeve with a convex cross-section formed by connecting the second upper sub-sleeve and the second lower sub-sleeve with different diameters, The interior of the inner sealing sleeve is a central hole connecting the upper and lower surfaces of the inner sealing sleeve. The central hole is equal in diameter in the length direction. Lock rings with the same number as the lock holes are evenly arranged around the second upper sleeve, and the positions of the lock rings and the lock holes correspond to each other. There is also a circular flange plate on the outer edge of the upper surface of the second lower sleeve , the inner diameter of the first upper sub-sleeve is equal to the outer diameter of the second upper sub-sleeve, and the inner diameter of the first lower sub-sleeve is equal to the diameter of the flange plate.

Preferably, the outer edge of the lower surface of the second lower sub-sleeve is provided with grooves, and the outer surface of the second lower sub-sleeve is provided with anti-slip lines, and the inner and outer sealing sleeves are both Insulated plastic material.

Preferably, the lock hole is a through hole that penetrates the upper surface of the first lower sub-sleeve and communicates with the internal stepped hole, and the lock ring is fixed to the upper surface of the second lower sub-sleeve through a connecting rod, and the length of the connecting rod is equal to the length of the keyhole.

The beneficial effect of adopting the above technical solution is that the occluder is divided into an inner layer sealing sleeve and an outer layer sealing sleeve, the cable passes through the center hole of the inner layer sealing sleeve after passing through the cable tube, and then Insert the end of the second lower sub-sleeve with the bevel into the cable pipe, and keep the flange plate against the cable pipe mouth. At this time, the outer edge of the flange plate is flush with the outer edge of the cable pipe mouth, and then the outer layer The first lower sub-sleeve of the sealing sleeve is sleeved from the lower end to the cable pipe until the upper surface of the second lower sub-sleeve bears against the inner wall of the stepped hole. Since the outer diameter of the flange plate is equal to the inner diameter of the first lower sub-sleeve, Therefore, the first lower sub-sleeve can be placed on the cable pipe without gaps, and since the inner diameter of the first upper sub-sleeve is equal to the outer diameter of the second upper sub-sleeve, the two are also sleeved without gaps, and then the two parts are used The throat hoop is stuck. In addition, because there is a lock ring on the surface of the second lower sub-sleeve, and a lock hole is provided on the first lower sub-sleeve, when the lock ring is inserted, the lock ring passes through the lock hole, because the length of the connecting rod is equal to the length of the lock hole. Therefore, the lock ring is just exposed from the lock hole, and then multiple lock rings are threaded together with iron wires to connect and fix the inner and outer sealing sleeves together. The effect is good, the connection is tight, and the plastic material is corrosion-resistant, shock-resistant and durable.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail:

Fig. 1 Schematic diagram of the structure of the outer sealing sleeve of the occluder;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the sectional view of Fig. 1;

Fig. 4 is the structural representation of the inner layer sealing sleeve of occluder;

FIG. 5 is a cross-sectional view of FIG. 4 .

Among them, 1. The first upper sub-set, 2. The first lower sub-set, 3. Step hole, 4. Keyhole, 5. Center hole, 6. The second upper sub-set, 7. The second lower sub-set, 8 , lock ring, 9, flange plate, 10, groove, 11, anti-skid pattern, 12, connecting rod.

Detailed ways

As shown in Figure 1-5: a cable duct occluder, including a separate inner layer sealing sleeve and an outer layer sealing sleeve that cooperate with each other, and the outer layer sealing sleeve is composed of first The upper sub-sleeve 1 and the first lower sub-sleeve 2 are connected to form a hollow cylindrical sleeve with a convex cross-section. The first upper sub-sleeve 1 and the first lower sub-sleeve 2 are provided with casing holes. The two sets of holes form a stepped hole 3 with a convex cross-section, and the stepped hole 3 communicates with the upper and lower surfaces of the outer sealing sleeve respectively. A plurality of keyholes 4 are evenly arranged around the first upper sub-sleeve 1; the inner sealing sleeve is formed by connecting the second upper sub-sleeve 6 and the second lower sub-sleeve 7 with different diameters, and the section is convex The hollow cylindrical sleeve body of the inner layer sealing sleeve is a central hole 5 connecting the upper and lower surfaces of the inner layer sealing sleeve. On the upper surface connected by the second upper sub-sleeve 6, there are evenly arranged lock rings 8 with the same number of lock holes 4 around the second upper sub-sleeve 6, and the positions of the lock rings 8 and the lock holes 4 correspond to each other. The outer edge of the upper surface of the cover 7 also has an annular flange plate 9, the inner diameter of the first upper sub-set 1 is equal to the outer diameter of the second upper sub-set 6, and the inner diameter of the first lower sub-set 2 Equal to the diameter of the flange plate 9.

The outer edge of the lower surface of the second lower sub-sleeve 7 is provided with a bevel 10, and the outer surface of the second lower sub-sleeve 7 is provided with anti-skid lines 11, and the inner layer sealing sleeve and the outer layer sealing sleeve are both insulating plastic material. The lock hole 4 is a through hole that penetrates the upper surface of the first lower sub-sleeve 2 and communicates with the inner stepped hole 3. The lock ring 8 is fixed to the upper surface of the second lower sub-sleeve 7 by a connecting rod 12. The connecting rod 12 The length equals the length of keyhole 4.

The diameter of the cable tube is larger than the diameter of the cable itself, so there is a certain gap between the cable and the inner wall of the cable tube, and the wall thickness of the second lower sub-sleeve 7 of the inner sealing sleeve is just designed to be equal to this gap. thickness, and the inner diameter of the central hole 5 is equal to the diameter of the cable itself, after the cable passes through the cable tube, it first passes through the lower part of the second lower sub-sleeve 7, passes through the central hole 5, and then passes through the upper part of the second upper sub-sleeve 6 , and then insert the second lower sub-sleeve 7 into the cable tube, and the end is provided with a groove 10, so that the second lower sub-sleeve 7 can be smoothly inserted into the cable tube. Twist inward while rotating, anti-slip pattern 11 is designed to prevent it from detaching from the cable tube until the flange plate 9 withstands the cable tube opening, and the edge of the flange plate 9 is designed to be flush with the tube opening edge of the cable tube Flat, put on the outer sealing sleeve after putting on the inner sealing sleeve, put the lower part of the first lower sub-sleeve 2 on the cable pipe, the diameter of the larger part of the inner stepped hole 3 of the outer sealing sleeve is The inner diameter of the first lower sub-sleeve 2 is equal to the outer diameter of the cable pipe, the diameter of the smaller part of the aperture is the inner diameter of the first upper sub-sleeve 1, which is equal to the outer diameter of the second upper sub-sleeve 6, and due to the flange plate 9 The edge is flush with the nozzle edge of the cable pipe, so the inner wall of the stepped hole 3 in the outer layer sealing sleeve can contact the outer wall of the cable pipe and the outer wall of the second upper sub-sleeve 6 seamlessly to ensure the sealing effect, and then the first The lower sub-sleeve 2 and the cable pipe, the first upper sub-sleeve 1 and the second upper sub-sleeve 6 are all fixed by throat hoops. In addition, in order to make the inner and outer sealing sleeves tightly connected, a lock ring is provided 8 and keyhole 4, the lock ring 8 that is located on the surface of the second lower sub-sleeve 7 will pass through the keyhole on the first lower sub-sleeve 2 when the outer layer sealing sleeve is plugged into the cable tube with the inner layer sealing sleeve 4. Since the length of the connecting rod 12 is equal to the length of the lock hole 4, the lock ring 8 is just exposed from the surface of the first lower sub-housing 2, and then each lock ring 8 is fixed together through iron wires, etc., so that the two It won't be easy to leave.

To sum up, the occluder is divided into an inner layer sealing sleeve and an outer layer sealing sleeve. After the cable passes through the cable tube, it passes through the center hole of the inner layer sealing sleeve, and then the second lower sub-sleeve is Insert the end with the bevel into the cable pipe, and keep the flange plate against the cable pipe mouth. At this time, the outer edge of the flange plate is flush with the outer edge of the cable pipe mouth. The sub-sleeve is sleeved from the lower end to the cable pipe until the upper surface of the second lower sub-sleeve bears against the inner wall of the stepped hole. Since the outer diameter of the flange plate is equal to the inner diameter of the first lower sub-sleeve, the first lower sub-sleeve can Sleeve on the cable pipe without gap, and since the inner diameter of the first upper sub-sleeve is equal to the outer diameter of the second upper sub-sleeve, the two are also sleeved without gaps, and then the two places are clamped with throat clamps. In addition, because There is a lock ring on the surface of the second lower sub-sleeve, and a lock hole is provided on the first lower sub-sleeve. When inserted, the lock ring passes through the lock hole. Because the length of the connecting rod is equal to the length of the lock hole, the lock ring just passes through the lock hole. The inside is exposed, and then a plurality of lock rings are threaded and connected together with iron wires, and the inner and outer sealing sleeves are connected and fixed together, so this device can effectively seal the cable pipe opening, the sealing effect is good, the connection is tight, and the plastic The material is corrosion-resistant, shock-resistant and durable. the

Claims (3)

1. a cable tube plugging device, it is characterized in that: comprise split and the internal layer shutoff cooperatively interacted cover and outer shutoff cover, described outer shutoff cover for by diameter different first on the cross section that is formed by connecting of point cover (1) and first time point of cover (2) be the hollow cylindrical body of convex, trepanning is equipped with in point cover (1) and first time point of cover (2) on described first, described two trepanning Formation cross-sections shoulder hole convexly (3), the upper and lower surface that described shoulder hole (3) overlaps with outer shutoff is respectively communicated with, first time point of cover (2) with first on point cover (1) upper surface that is connected around first on a point cover (1) be evenly arranged multiple lockhole (4), described internal layer shutoff cover for by diameter different second on the cross section that is formed by connecting of point cover (6) and second time point of cover (7) be the hollow cylindrical body of convex, the inner centre bore (5) for being communicated with internal layer shutoff cover upper and lower surface of described internal layer shutoff cover, described centre bore (5) is isometrical in the longitudinal direction, described second time point of cover (7) is overlapped (6) be evenly arranged the lock ring (8) identical with lockhole (4) quantity around being divided on second with point overlap on second on upper surface that (6) connect, described lock ring (8) is mutually corresponding with lockhole (4) position, at the upper surface outward flange of second time point of cover (7) also with the flange plate (9) of annular, on described first, the internal diameter of point cover (1) equals the external diameter of point cover (6) on second, the internal diameter of described first time point of cover (2) equals the diameter of flange plate (9).

2. a kind of cable tube plugging device according to claim 1, it is characterized in that: the lower surface outward flange of described second time point of cover (7) is provided with groove (10), the outer surface of described second time point of cover (7) is provided with anti-slip veins (11), and described internal layer shutoff cover and outer shutoff cover are the plastic material of insulation.

3. a kind of cable tube plugging device according to claim 2, it is characterized in that: described lockhole (4) is for penetrating first time point of cover (2) upper surface and the through hole be communicated with inner step hole (3), described lock ring (8) overlaps (7) upper surface by connecting rod (12) and second time point to be fixed, and the length of described connecting rod (12) equals the length of lockhole (4).