Combined cable wall bushing

Abstract

The utility model provides a combined cable wall bushing, which comprises a first reinforcing plate, a fixed steel plate, a second reinforcing plate, a reinforcing connecting rod and a wall steel pipe, the wall steel pipe is arranged in the fixed steel plate in a penetrating manner, the first reinforcing plate is arranged on the front side of the annular side surface of the wall steel pipe, and the second reinforcing plate is arranged on the rear side of the annular side surface of the wall steel pipe. A reinforcing connecting rod is connected between the first reinforcing plate and the second reinforcing plate, a lining pipe is arranged in the through-wall steel pipe, the front end and the rear end of the through-wall steel pipe are sleeved with end opening protecting sleeves in a clamped mode, and limiting clamping grooves are formed in the end opening protecting sleeves. According to the wall feed-through sleeve, wall feed-through construction can be conducted on multiple cables at the same time, meanwhile, the reinforcing structure is additionally arranged, compression resistance protection can be conducted on the wall feed-through sleeve, and the structural strength and compression resistance of the wall feed-through sleeve are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a combined cable wall bushing belongs to the technical field of building tools. BACKGROUND

[0002] When the cable enters the room, it needs to pass through the building wall. Article 5.3.1 of the national standard "Cable Line Construction and Acceptance Specification for Electrical Device Installation Engineering" (GB50168-2016) provides that the cable entering the building, tunnel, passing through the floor and wall shall be provided with a protective pipe with certain mechanical strength or a protective cover.

[0003] Chinese patent number: CN205429630U discloses a cable wall bushing, which has the advantages of simple structure, convenient installation, good airtightness, good waterproofness, long service life and the like. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a combined cable wall bushing to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a combined cable wall bushing, comprising a first reinforcing plate, a fixed steel plate, a second reinforcing plate, a reinforcing connecting rod and a wall steel pipe, the fixed steel plate is internally penetrated by the wall steel pipe, the wall steel pipe is provided with the first reinforcing plate on the front side of the annular side surface, the wall steel pipe is provided with the second reinforcing plate on the rear side of the annular side surface, the first reinforcing plate and the second reinforcing plate are connected by the reinforcing connecting rod, the wall steel pipe is internally provided with an inner lining pipe, the wall steel pipe is provided with a port protective sleeve at both ends, and the port protective sleeve is internally provided with a limiting clamping groove.

[0006] Further, the wall steel pipe is provided with six groups, and the six groups of wall steel pipes are arranged in two rows at equal intervals in the fixed steel plate.

[0007] Further, the wall -through steel pipe, the first reinforcing plate, the reinforcing connecting rod, the fixed steel plate and the second reinforcing plate are fixedly connected by welding.

[0008] Further, surfaces of the wall -through steel pipe, the first reinforcing plate, the fixed steel plate and the second reinforcing plate are coated with fireproof coating.

[0009] Further, the port protective sleeve has the same inner diameter as the inner lining pipe, and the inner lining pipe is shorter than the wall -through steel pipe in length.

[0010] Further, a plurality of grooves are equidistantly formed on the inner wall of the inner lining pipe, and the grooves are in arc-shaped structure.

[0011] Further, the port protective sleeve and the inner lining pipe are made of ceramic material.

[0012] By adopting the above technical scheme, the beneficial effects of the utility model are as follows: the utility model discloses a combined cable wall -through bushing, a plurality of wall -through bushings are combined and fixed together through the first reinforcing plate, the fixed steel plate, the second reinforcing plate, the reinforcing connecting rod, the wall -through steel pipe, the port protective sleeve, the inner lining pipe and the limiting clamping groove, the plurality of wall -through bushings can be used to simultaneously perform wall -through construction on a plurality of cables, the reinforcing structure is additionally arranged, the wall -through bushing can be protected against compression, the structural strength and the compression resistance of the wall -through bushing are improved, the original wall -through bushing is a single structure, a plurality of wall -through bushings are used to sequentially fix a plurality of cables when wall -through construction is needed, the operation is not convenient, the construction efficiency of cable wall -through is influenced, the wall -through bushing does not arrange the reinforcing support structure on the surface, the wall -through bushing is deformed to a certain extent when being embedded and is extruded by concrete, the wall -through construction of the cable is influenced, and the practicability of the utility model is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features, objects and advantages of the utility model will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0014] Fig. 1 It is a structural schematic view of the utility model discloses a combined cable wall -through bushing;

[0015] Fig. 2 It is a structural schematic view of the wall -through steel pipe in the utility model discloses a combined cable wall -through bushing;

[0016] Fig. 3 It is the internal structure schematic view of the inner lining pipe in the utility model discloses a combined cable wall -through bushing;

[0017] In the figure: 1 - the first reinforcing plate, 2 - the fixed steel plate, 3 - the second reinforcing plate, 4 - the reinforcing connecting rod, 5 - the wall -penetrating steel pipe, 6 - the port protection sleeve, 7 - the inner lining pipe, 8 - the limiting slot, 9 - the groove. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0019] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a combined cable wall bushing, including first reinforcing plate 1, fixed steel plate 2, second reinforcing plate 3, reinforcing connecting rod 4 and wall -penetrating steel pipe 5, wall -penetrating steel pipe 5 is arranged in the inside of fixed steel plate 2, wall -penetrating steel pipe 5 annular side front is provided with first reinforcing plate 1, wall -penetrating steel pipe 5 annular side rear is provided with second reinforcing plate 3, first reinforcing plate 1 is connected with second reinforcing plate 3 and is provided with reinforcing connecting rod 4, wall -penetrating steel pipe 5 is provided with inner lining pipe 7, wall -penetrating steel pipe 5 front and rear end is clamped with port protection sleeve 6, port protection sleeve 6 is internally provided with limiting slot 8, this design solves the original wall bushing for single structure, when needing to wall for multiple cables needs to use multiple wall bushings to be fixed one by one, not enough convenient operation, affect cable wall construction efficiency, and the surface of this wall bushing is not provided with reinforcing support structure, when pre -buried, it will produce certain degree of deformation to be extruded by concrete, affect the problem of cable wall construction.

[0020] Wall -penetrating steel pipe 5 is provided with six groups, six groups of wall -penetrating steel pipe 5 are arranged equidistantly in the inside of fixed steel plate 2, this design can simultaneously wall for multiple cables by the six groups of wall -penetrating steel pipe 5, improves the construction convenience and construction efficiency of cable wall.

[0021] Wall -penetrating steel pipe 5, first reinforcing plate 1, reinforcing connecting rod 4, fixed steel plate 2 and second reinforcing plate 3 are fixedly connected by welding mode, this design enhances the structural strength of connecting place by welding mode, improves the support stability of wall -penetrating steel pipe 5.

[0022] Wall -penetrating steel pipe 5, first reinforcing plate 1, fixed steel plate 2 and second reinforcing plate 3 are all smeared with fire -retardant coating, this design improves the overall fire -resistance of device by the setting fire -retardant coating.

[0023] The inner diameter of port protection sleeve 6 is same with the inner diameter of inner lining pipe 7, and the length of inner lining pipe 7 is shorter than the length of wall -penetrating steel pipe 5, this design is convenient for clamping and fixing port protection sleeve 6.

[0024] A plurality of groups of grooves 9 are equidistantly arranged on the inner wall of the inner lining pipe 7, and the grooves 9 are arranged in an arc-shaped structure, so that the adhesion between the sealing filler and the inner wall of the inner lining pipe 7 is increased, and the cable is conveniently sealed and fixed.

[0025] The port protection sleeve 6 and the inner lining pipe 7 are both made of ceramic material, and the ceramic surface is smooth, so that the friction between the cable and the inner lining pipe 7 is reduced, and the cable is conveniently moved in the inner lining pipe 7.

[0026] As an embodiment of the utility model: when the cable needs to be wall-penetrating constructed, first, the device is placed in the slot reserved in the wall, then the wall-penetrating steel pipe 5 is fixed by using the concrete and the like, the structure strength of the wall-penetrating steel pipe 5 is increased by the fixed steel plate 2, the first reinforcing plate 1 and the second reinforcing plate 3, the compression resistance of the wall-penetrating steel pipe 5 is improved, so that the wall-penetrating steel pipe 5 will not be deformed due to extrusion, the cable is wall-penetrating constructed after the sealing material is solidified, one end of the cable is inserted into the wall-penetrating steel pipe 5, and the other end of the cable is led out from the wall-penetrating steel pipe 5, the friction between the cable and the wall-penetrating steel pipe 5 is reduced by the inner lining pipe 7, the cable surface is protected by buffering, after the cable is fixed, the sealing filler is injected into the inner lining pipe 7, the cable periphery is sealed by the sealing filler, and the wall-penetrating construction of the cable is realized.

[0027] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the involved claims.

[0028] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A combined cable-through-wall bushing comprising a first reinforcing plate, a fixed steel plate, a second reinforcing plate, a reinforcing link, and a through-wall steel pipe, characterized in that: The fixed steel plate is internally provided with through-wall steel pipes, the front side of the annular side of the through-wall steel pipe is provided with a first reinforcing plate, the rear side of the annular side of the through-wall steel pipe is provided with a second reinforcing plate, a reinforcing connecting rod is connected between the first reinforcing plate and the second reinforcing plate, an inner lining pipe is arranged in the through-wall steel pipe, a port protection sleeve is clamped at the front and rear ends of the through-wall steel pipe, and a limiting clamping groove is formed in the port protection sleeve.

2. A combined cable-through-wall bushing according to claim 1, characterized in that: The through-wall steel pipes are provided in six groups, and the six groups of through-wall steel pipes are arranged in two rows at equal intervals in the fixed steel plate.

3. The combined cable wall bushing according to claim 1, characterized in that: The through-wall steel pipe, the first reinforcing plate, the reinforcing connecting rod, the fixed steel plate and the second reinforcing plate are fixedly connected by welding.

4. The combined cable wall bushing of claim 1, wherein: The surfaces of the through-wall steel pipe, the first reinforcing plate, the fixed steel plate and the second reinforcing plate are coated with a fireproof coating.

5. The combined cable wall bushing of claim 1, wherein: The inner diameter of the port protection sleeve is the same as the inner diameter of the inner lining pipe, and the inner lining pipe is shorter than the through-wall steel pipe in length.

6. The combined cable wall bushing of claim 1, wherein: A plurality of grooves are formed at equal intervals in the inner wall of the inner lining pipe, and the grooves are in arc-shaped structures.

7. The combined cable wall bushing of claim 1, wherein: The port protection sleeve and the inner lining pipe are both made of ceramic.

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