Anti-leakage and anti-water-inflow cable incoming device for underground power distribution room

By employing a combined structure of an upper inlet cylinder, a lower inlet cylinder, and an inner inlet cylinder in the cable inlet device, combined with a filling cavity and a sealing ring, and filled with polyurethane foam, the problem of leakage in the cable inlet device in the basement environment is solved, achieving both waterproofing and simplified installation.

CN224097392UActive Publication Date: 2026-04-07SHANDONG YUNKAI ELECTRIC POWER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing cable entry devices are prone to leakage in basement environments, leading to water ingress into the power distribution room, and are inconvenient to install and operate.

Method used

It adopts a combination structure of upper half cable inlet tube, lower half cable inlet tube and inner cable inlet tube, combined with filling cavity, cable rack, injection tube and sealing ring, and uses polyurethane foam to fill the waterproof and fix it with bolts and nuts to ensure airtightness.

Benefits of technology

It effectively prevents leakage from the cable inlet device, improves the protection effect of the cable, simplifies the installation process, and increases installation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cable inlet device capable of preventing leakage and water inflow for an underground power distribution room, which relates to the technical field of cable installation and comprises an upper half wire inlet cylinder, a lower half wire inlet cylinder and an inner wire inlet cylinder, and the upper half wire inlet cylinder is located at the upper end of the lower half wire inlet cylinder. An outer wire inlet is formed in the middle of the end of one side of the upper half wire inlet cylinder and the middle of the end of one side of the lower half wire inlet cylinder, outer fixing rings are arranged at the ends of the other sides of the upper half wire inlet cylinder and the lower half wire inlet cylinder, and connecting lugs are arranged on the side walls of the upper half wire inlet cylinder and the lower half wire inlet cylinder and the side walls of the two sets of outer fixing rings. And first bolts are arranged in the middles of the connecting lugs, first nuts are arranged on the outer walls of the lower portions of the first bolts, and a filling cavity is formed in the middle of the inner wall of the upper half wire inlet cylinder and the middle of the inner wall of the lower half wire inlet cylinder. The anti-seepage water inlet cable inlet device for the underground power distribution room has a better anti-seepage effect, and the installation process is simpler and more convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cable installation technical field especially relates to a kind of cable incoming line devices for preventing seepage of underground distribution room. BACKGROUND

[0002] Cable incoming line device is mainly used to safely and reliably introduce cable into electrical equipment, and simultaneously plays the role of sealing, protecting cable and ensuring normal operation of electrical equipment, when the cable of distribution cabinet in basement is installed, waterproof and other aspects need to be considered.

[0003] Because the environment of basement is usually humid, the existing incoming line device cannot guarantee seepage prevention when installing cable, water may still appear in the middle of incoming line device, which is easy to cause short circuit in the interior of distribution room, and the operation of incoming line device for installing cable is also troublesome, in order to solve the problem of prior art, we propose a kind of cable incoming line device for preventing seepage of underground distribution room. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a kind of cable incoming line device for preventing seepage of underground distribution room, which can effectively solve the problem in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0006] The utility model provides a kind of cable entry device for preventing seepage of underground distribution room, including upper half entry cylinder, lower half entry cylinder and inner entry cylinder, the upper half entry cylinder is in the upper end of lower half entry cylinder, the upper half entry cylinder and the side end head of lower half entry cylinder are equipped with outer entry port in middle, the other side end head of the upper half entry cylinder and lower half entry cylinder is equipped with outer fixed ring, the sidewall of the upper half entry cylinder and lower half entry cylinder and the sidewall of the two groups of outer fixed ring are equipped with connecting lug, the middle of connecting lug is equipped with No.

[0007] Preferably, the middle of the connecting lug is provided with a through hole, and the No.

[0008] Preferably, the middle of the connecting lug is provided with a through hole, and the No.

[0009] Preferably, the middle of the connecting lug is provided with a through hole, and the No.

[0010] Preferably, the middle of the connecting lug is provided with a through hole, and the No.

[0011] Preferably, the middle of the connecting lug is provided with a through hole, and the No.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model discloses a filling cavity, cable frame, injection pipe can be set to the cable in the intermediate aerial of upper half incoming line cylinder and lower half incoming line cylinder, then through injection pipe fills waterproof foam glue such as polyurethane foam glue etc. to the inside of filling cavity, fills the intermediate of upper half incoming line cylinder and lower half incoming line cylinder through foam glue, can more fully achieve waterproof effect, makes the waterproof anti -permeation effect of incoming line device better, and the protection effect to cable is also better, the sealing rubber strip that sets up can further provide waterproof effect, simultaneously prevents the overflow of foam glue filled in the inside of filling cavity.

[0014] 2. The utility model discloses a connecting lug, No. 1 bolt, outer fixed ring, inner connecting ring and No. 2 bolt can be conveniently installed to the incoming line device, and conveniently pass through the cable from the intermediate of incoming line device simultaneously, make the process of incoming line device installation more simple and convenient, also make the process of cable guiding more convenient, save time, and the installation efficiency is higher. DRAWINGS

[0015] Fig. 1 It is the overall dismounting structure schematic diagram of the utility model,

[0016] Fig. 2 It is the outer incoming line cylinder dismounting structure schematic diagram of the utility model,

[0017] Fig. 3 It is the cable frame structure schematic diagram of the utility model.

[0018] In the drawing: 1, upper half incoming line cylinder, 2, lower half incoming line cylinder, 3, outer incoming line port, 4, outer fixed ring, 5, No. 1 bolt, 6, No. 1 nut, 7, No. 2 bolt, 8, No. 2 nut, 9, inner connecting ring, 10, inner sealing rubber ring, 11, inner incoming line port, 12, inner incoming line cylinder, 13, cable frame, 14, sealing rubber strip, 15, outer sealing rubber ring, 16, connecting lug, 17, injection pipe, 18, sealing cap, 19, filling cavity, 20, fixed rod. DETAILED DESCRIPTION

[0019] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0020] For example, Figs. 1-3As shown, including the upper half incoming wire cylinder 1, the lower half incoming wire cylinder 2 and the inner incoming wire cylinder 12, the upper half incoming wire cylinder 1 is at the upper end of the lower half incoming wire cylinder 2, the upper half incoming wire cylinder 1 and the lower half incoming wire cylinder 2 together constitute the external incoming wire device, installed outside the power distribution cabinet, the upper half incoming wire cylinder 1 and the lower half incoming wire cylinder 2 are provided with an external incoming wire port 3 in the middle of one side end, the cable enters the inside of the upper half incoming wire cylinder 1 and the lower half incoming wire cylinder 2 from the external incoming wire port 3, the other side end of the upper half incoming wire cylinder 1 and the lower half incoming wire cylinder 2 are provided with an external fixing ring 4, the external fixing ring 4 is used to fix the upper half incoming wire cylinder 1 and the lower half incoming wire cylinder 2 on the outer wall of the power distribution cabinet, the side wall of the upper half incoming wire cylinder 1 and the lower half incoming wire cylinder 2 and the side wall of the two groups of external fixing rings 4 are provided with connecting ears 16, the connecting ears 16 are used to connect the upper half incoming wire cylinder 1 and the lower half incoming wire cylinder 2 together, the middle of the connecting ears 16 is provided with a No. 5 bolt, the No. 5 bolt passes through the through hole in the middle of the connecting ears 16, the lower outer wall of the No. 5 bolt is provided with a No. 6 nut, the middle of the No. 6 nut is provided with a threaded hole, which is screwed with the No. 5 bolt, the No. 5 bolt and the two groups of connecting ears 16 are fixed, and then the upper half incoming wire cylinder 1 and the lower half incoming wire cylinder 2 are fixed, the middle of the inner wall of the upper half incoming wire cylinder 1 and the lower half incoming wire cylinder 2 is provided with a filling cavity 19, the middle of the filling cavity 19 is used to fill polyurethane foam adhesive for waterproofing, the middle of the filling cavity 19 is provided with three groups of cable racks 13, the cable racks 13 are in semicircular arc shape, the cable is supported and suspended by the cable racks 13 in the middle of the filling cavity 19 from the middle of the external incoming wire port 3, the upper end of the upper half cable rack 13 and the lower end of the lower half cable rack 13 are respectively provided with a fixing rod 20 between the inner wall of the upper half incoming wire cylinder 1 and the lower half incoming wire cylinder 2, the fixing rod 20 is used to fix the cable rack 13 in the middle of the filling cavity 19, the upper end outer wall of the lower half incoming wire cylinder 2 is provided with a sealing rubber strip 14, the sealing rubber strip 14 is used to ensure the sealing of the upper half incoming wire cylinder 1 and the lower half incoming wire cylinder 2, the outer wall of the external fixing ring 4 is provided with an outer sealing rubber ring 15, the outer sealing rubber ring 15 is used to ensure the sealing between the external fixing ring 4 and the outer wall of the power distribution cabinet, the upper end of the upper half incoming wire cylinder 1 is also provided with an injection pipe 17, the injection pipe 17 is used to inject foam adhesive into the middle of the filling cavity 19, the upper end of the injection pipe 17 is provided with a sealing cap 18, the sealing cap 18 is used to seal the injection pipe 17.

[0021] As Figs. 1-2The middle of the outer fixed ring 4 is provided with a No. 2 bolt 7, the No. 2 bolt 7 is used for connecting the No. 2 bolt 7 and the outer wall of the power distribution cabinet, the side end of the inner wire inlet cylinder 12 is provided with an inner connecting ring 9, the inner wire inlet cylinder 12 is used for leading the cable into the inside of the power distribution cabinet, the inner connecting ring 9 is used for installing the inner wire inlet cylinder 12 on the inner wall of the power distribution cabinet, the No. 2 bolt 7 passes through the middle of the inner connecting ring 9, and the inner connecting ring 9 is connected with the side wall of the power distribution cabinet and the outer fixed ring 4, the middle of the inner connecting ring 9 is provided with an inner wire inlet 11, the cable passes through the middle of the outer wire inlet 3 and the side wall of the power distribution cabinet and enters the middle of the inner wire inlet 11, the outer wall of the inner connecting ring 9 is provided with an inner sealing rubber ring 10, the inner sealing rubber ring 10 is used for sealing between the inner connecting ring 9 and the inner wall of the power distribution cabinet, the outer wall of the two groups of No. 2 bolts 7 is provided with a No. 2 nut 8 behind the inner connecting ring 9, the middle threaded hole of the No. 2 nut 8 is screwed with the No. 2 bolt 7 in a threaded manner, and the No. 2 bolt 7 is fixed with the inner connecting ring 9.

[0022] It should be noted that the utility model is a kind of underground power distribution room is used to prevent leakage of water cable inlet device, when using, cable is passed through from the upper end of lower half wire inlet cylinder 2, is supported on the upper end of cable support 13, then upper half wire inlet cylinder 1 is covered on the upper end of lower half wire inlet cylinder 2, No. 1 bolt 5 is passed through the middle of two groups of connecting lug 16 on both sides, is fixed using No. 1 nut 6, outer fixed ring 4 cable is passed through the side wall of power distribution cabinet, enters the inside of power distribution cabinet, then from inner wire inlet 11 passes through the middle of inner wire inlet cylinder 12, outer fixed ring 4 and inner connecting ring 9 are respectively pasted on the outer wall and inner wall of power distribution cabinet, No. 2 bolt 7 is passed through the middle of outer fixed ring 4 from upper and lower sides, then passes through the middle of inner connecting ring 9, No. 2 nut 8 is used to fix No. 2 bolt 7 with outer fixed ring 4 and inner connecting ring 9, then upper half wire inlet cylinder 1, lower half wire inlet cylinder 2 and inner wire inlet cylinder 12 can be fixed on the inside and outside of power distribution cabinet, cable is passed through the middle, then sealing cap 18 is opened, polyurethane foam glue is injected into the middle of filling cavity 19 from injection pipe 17, then sealing cap 18 is covered, waterproof effect can be achieved.

[0023] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cable inlet device for preventing water ingress in underground power distribution rooms, comprising an upper inlet drum (1), a lower inlet drum (2), and an inner inlet drum (12), characterized in that: The upper half of the cable inlet tube (1) is located above the lower half of the cable inlet tube (2). An external cable inlet (3) is provided in the middle of one side end of both the upper half of the cable inlet tube (1) and the lower half of the cable inlet tube (2). An external fixing ring (4) is provided on the other side end of both the upper half of the cable inlet tube (1) and the lower half of the cable inlet tube (2). Connecting ears (16) are provided on the side walls of the upper half of the cable inlet tube (1) and the lower half of the cable inlet tube (2) as well as on the side walls of the two sets of external fixing rings (4). Each of the connecting lugs (16) has a No. 1 bolt (5) in the middle, and a No. 1 nut (6) is provided on the lower outer wall of each of the No. 1 bolts (5). A filling cavity (19) is provided between the inner walls of the upper half of the cable inlet tube (1) and the lower half of the cable inlet tube (2). Three sets of cable racks (13) are provided in the middle of the filling cavity (19). The upper end of the upper half of the cable rack (13) and the lower end of the lower half of the cable rack (13) are respectively connected to the upper half of the cable inlet tube (2). A fixing rod (20) is provided between the inner walls of the spool (1) and the lower half of the inlet spool (2). A sealing strip (14) is provided on the upper outer wall of the lower half of the inlet spool (2). An outer sealing ring (15) is provided on the outer wall of the outer fixing ring (4). An injection pipe (17) is also provided at the upper end of the upper half of the inlet spool (1). A sealing cap (18) is provided at the upper end of the injection pipe (17). A fixing rod (20) is provided in the middle of the upper and lower sets of the outer fixing rings (4). There is a No. 2 bolt (7), and an inner connecting ring (9) is provided at one end of the inner inlet cylinder (12). An inner inlet port (11) is provided in the middle of the inner connecting ring (9). An inner sealing ring (10) is provided on the outer wall of the inner connecting ring (9). Both sets of No. 2 bolts (7) pass through the middle of the upper and lower sides of the inner connecting ring (9). No. 2 nuts (8) are provided on the outer wall of both sets of No. 2 bolts (7) behind the inner connecting ring (9).

2. The cable inlet device for preventing water ingress in an underground power distribution room according to claim 1, characterized in that: The connecting lug (16) has a through hole in the middle, and the first bolt (5) is detachably connected to the connecting lug (16) through the through hole. The first nut (6) has a threaded hole in the middle, and the first nut (6) is threadedly connected to the first bolt (5) through the threaded hole.

3. A cable inlet device for preventing water ingress in an underground power distribution room according to claim 1, characterized in that: The outer fixing ring (4) and the inner connecting ring (9) are each provided with two sets of through holes in the middle. The second bolt (7) is detachably connected to the outer fixing ring (4) and the inner connecting ring (9) through the provided through holes.

4. A cable inlet device for preventing water ingress in an underground power distribution room according to claim 1, characterized in that: The second nut (8) has a threaded hole in the middle, and the second nut (8) is threadedly connected to the second bolt (7) through the threaded hole.

5. A cable inlet device for preventing water ingress in an underground power distribution room according to claim 1, characterized in that: The sealing strip (14), outer sealing ring (15), and inner sealing ring (10) are all made of rubber.

6. A cable inlet device for preventing water ingress in an underground power distribution room according to claim 1, characterized in that: The cable rack (13) is semi-circular in shape. The inner diameter of the cable rack (13) is the same as that of the outer cable inlet (3). The cable rack (13) is fixedly connected to the inner walls of the upper cable inlet tube (1) and the lower cable inlet tube (2) by a fixing rod (20).