CN219067769U

CN219067769U - Civil air defense weak current circuit wiring structure

Info

Publication number: CN219067769U
Application number: CN202123314782.0U
Authority: CN
Inventors: 徐军华; 蔡小燕
Original assignee: Suzhou Tiandi Design And Research Institute Co ltd
Current assignee: Suzhou Tiandi Design And Research Institute Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2023-05-23
Anticipated expiration: 2031-12-27

Abstract

The application discloses people's air defense weak current circuit wiring structure includes: the two junction boxes are respectively arranged at two sides of the wall body, and the junction boxes are provided with pipe penetrating holes; the threading pipe is threaded in the wall body, two ends of the threading pipe are respectively threaded to the two junction boxes through the threading holes, and a plurality of weak wires are arranged in the threading pipe; the rib plate is fixed outside the threading pipe and extends into the wall body; two perforating holes or three perforating holes are formed in the side of the junction box, when the number of the weak wires is in a first preset range, the junction box with three holes is selected, and when the number of the weak wires is in a second preset range, the junction box with two holes is selected. The utility model can improve the impact resistance of the wiring structure and the tightness of the wall body, and can select a two-hole or three-hole junction box according to the number of the weak wires in field operation without field perforation, thereby reducing the workload of field construction, ensuring the quality of construction engineering and being convenient and quick in construction.

Description

Civil air defense weak current circuit wiring structure

Technical Field

The utility model relates to the technical field of civil air defense engineering, in particular to a connection structure of a civil air defense weak current circuit.

Background

The civil air defense basement has the function of preventing air attack, nuclear weapon and biochemical weapon attack during war, so the civil air defense basement has a great deal of differences from the common basement in engineering design, construction and equipment facilities. In order to ensure the requirements of water, electricity and ventilation of the civil air defense basement in the war, the wall body of the civil air defense basement should be pre-buried with a closed wiring structure so as to ensure the prevention of shock waves and the prevention of toxic gases.

Because the junction box of the junction structure has certain thickness requirement, the junction box is difficult to be perforated with a hole on site for pipe penetration. Meanwhile, weak current lines are more in engineering, the pipe diameter of the wiring pipe has a size requirement, so that the wiring pipe and the wiring box at the through-wall position can be correspondingly increased, and the on-site workload is increased to a certain extent due to the matched installation of the wiring pipe and the wiring box.

Accordingly, there is a need for an improvement over the prior art to overcome the deficiencies described in the prior art.

Disclosure of Invention

The utility model aims to provide a civil air defense weak current circuit wiring structure so as to solve the problems.

The utility model aims at realizing the following technical scheme: a civil air defense weak current circuit wiring structure, comprising: the two junction boxes are respectively arranged at two sides of the wall body, and the junction boxes are provided with pipe penetrating holes; the threading pipe is threaded in the wall body, two ends of the threading pipe are respectively threaded to the two junction boxes through the threading holes, and a plurality of weak wires are arranged in the threading pipe; the rib plate is fixed outside the threading pipe and extends into the wall body; two through holes or three through holes are formed in the side of the junction box, when the number of the weak wires is in a first preset range, the junction box with three holes is selected, and when the number of the weak wires is in a second preset range, the junction box with two holes is selected.

Further, the weak electric wires are electric wires within 2.5 square, the first preset range is 7-12, and the second preset range is 12-18.

Further, the pipe penetrating holes are oppositely formed in two sides of the junction box.

Further, the diameter of the threading pipe is not more than 25mm, and the wall thickness of the threading pipe is 2.5mm.

Further, the junction box is formed by bending and/or welding a hot dip galvanized steel sheet with the thickness of not less than 3mm.

Further, the junction box is provided with an opening, a detachable cover plate is arranged at the opening, and the junction box is filled with sealing filler.

Further, the thickness of the cover plate is not less than 3mm.

Further, the sealing filler comprises epoxy resin and sealing fireproof cement.

Further, the rib plates are welded with the threading pipes and the structural steel bars in the wall body respectively.

Further, a root nut is fixed on the threading pipe hole, and the threading pipe is fixed on the junction box through the root nut.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the rib plates connected with the wall body are arranged on the threading pipe, so that the impact resistance of the wiring structure and the tightness of the wall body can be improved, and harmful gas is prevented from flowing between the wall body and the wiring structure; in addition, because the junction box is provided with the through pipe holes in advance, and the junction box is divided into two-hole type or three-hole type, when in field operation, the two-hole type or three-hole type junction box can be flexibly selected according to the quantity of the weak wires, so that on-site perforation is not needed, the workload of on-site construction is reduced, the construction engineering quality is ensured, and the construction is convenient and quick.

Drawings

Fig. 1 is a schematic cross-sectional view of a wiring structure of the present utility model.

Fig. 2 is a cross-sectional view in the a-a direction of the two tube through holes provided in fig. 1.

Fig. 3 is a cross-sectional view in the a-a direction of the three tube through holes of fig. 1.

Fig. 4 is a cross-sectional view in the direction b-b of fig. 1 with two tube penetrating holes.

Fig. 5 is a cross-sectional view in the direction b-b of fig. 1 with three through-holes.

Fig. 6 is a cross-sectional view in the direction c-c of fig. 1 with two tube holes.

Fig. 7 is a cross-sectional view in the direction c-c of fig. 1 with three through-holes.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not limiting. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The terms "comprising" and "having" and any variations thereof herein are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1 to 7, a civil air defense weak circuit wiring structure according to a preferred embodiment of the utility model includes: the two junction boxes 1 are respectively arranged at two sides of the wall body, and the junction boxes 1 are provided with pipe penetrating holes 11; the threading pipe 2 is penetrated in the wall body, two ends of the threading pipe are respectively penetrated to the two junction boxes 1 through the threading holes 11, and a plurality of weak wires 3 are arranged in the threading pipe 2; and rib plates 4 fixed outside the threading pipe 2 and extending into a wall (not shown); wherein, two poling holes 11 or three poling holes 11 have been seted up to terminal box 1 avris, select three hole type terminal boxes 1 when the quantity of weak current line 3 is in first default range, select two hole type terminal boxes 1 when the quantity of weak current line 3 is in the second default range.

According to the utility model, the rib plates 4 connected with the wall body are arranged on the threading pipe 2, so that the rib plates 4 can improve the shock resistance of the wiring structure and the tightness of the wall body, and harmful gas is prevented from flowing between the wall body and the wiring structure; in addition, as the through pipe holes 11 are preset in the junction box 1, and the junction box 1 is divided into two-hole type or three-hole type, when in field operation, the two-hole type or three-hole type junction box 1 can be flexibly selected according to the quantity of the weak wires 3, so that the on-site perforation is not needed, the workload of on-site construction is reduced, the construction engineering quality is ensured, and the construction is convenient and quick.

Further, the weak electric wires 3 are electric wires within 2.5 square, the first preset range is 7-12, and the second preset range is 12-18.

Further, the through holes 11 are oppositely arranged at two sides of the junction box 1, so that the through pipe 2 can be plugged at the other side of the junction box 1, and a plurality of wiring structures can be connected with one another conveniently. The plurality of pipe penetrating holes 11 on each side of the junction box 1 are arranged side by side, thereby facilitating construction. The threading pipe 2 corresponds to the number of the threading holes 11 on each side of the junction box 1, the weak wires 3 are arranged in the plurality of threading pipes 2, and the threading pipes 2 can limit gaps among the plurality of weak wires 3, so that installation space is saved.

In the present embodiment, the junction box 1 is specifically a protective airtight junction box, which is formed by bending and/or welding a hot dip galvanized steel sheet having a thickness of not less than 3mm. The threading pipe 2 is specifically a hot dip galvanized steel pipe, the pipe diameter of the threading pipe 2 is not more than 25mm, and the wall thickness of the threading pipe 2 is 2.5mm.

Further, a root nut 5 is fixed on the threading tube hole 11, and the threading tube 2 is detachably fixed on the junction box 1 through the root nut 5.

Further, the junction box 1 is provided with an opening, a detachable cover plate 6 is arranged at the opening, and the junction box 1 is filled with a sealing filler 7. The thickness of the cover plate 6 is not less than 3mm, and the cover plate 6 and the junction box 1 are fixed through threaded fasteners, so that the connection strength of the cover plate 6 and the junction box is improved. The sealing packing 7 includes epoxy resin, sealing fire-proof cement, etc. to seal the junction box 1, thereby preventing the flow of harmful gases through the junction box 1.

Further, the rib plate 4 is specifically a hot dip galvanized steel sheet with a thickness not less than 5mm, the rib plate 4 is provided with a through hole 41 adapted to the threading pipe 2, and the rib plate 4 comprises two holes and three holes so as to be adapted to different junction boxes 1. When in installation, the rib plates 4 are sleeved on the threading pipe 2 and are welded with the threading pipe 2 and structural steel bars in the wall body respectively. Preferably, the rib plates 4 are welded to the threading tube 2 on both sides. In this embodiment, the number of the rib plates 4 is at least one, and when there are a plurality of rib plates, the rib plates are uniformly distributed along the axial direction of the threading tube 2.

When the utility model is constructed, according to the quantity of weak wires 3 in engineering, a double-pipe or triple-pipe wiring structure is selected, and rib plates 4, a junction box 1 and a threading pipe 2 are welded and combined according to standard sizes; the wiring structure is directly placed in a roof or a side wall of the civil air defense project for pre-embedding during construction; the rib plates 4 are welded with the two sides of the threading pipe 2, and the rib plates 4 are welded firmly with the structural steel bars when being installed on site; the junction box 1 is filled with a sealing filler 7 to finish construction.

The foregoing description is only of embodiments of the present application, and is not intended to limit the scope of the patent application, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present application or direct or indirect application in other related technical fields are included in the scope of the patent protection of the present application.

Claims

1. The utility model provides a people's air defense weak current circuit wiring structure which characterized in that includes:

the two junction boxes (1) are respectively arranged at two sides of the wall body, and the junction boxes (1) are provided with pipe penetrating holes (11);

the threading pipe (2) is arranged in the wall body in a penetrating way, two ends of the threading pipe are respectively penetrated to the two junction boxes (1) through the threading holes (11), and a plurality of weak wires (3) are arranged in the threading pipe (2); and

the rib plate (4) is fixed outside the threading pipe (2) and extends into the wall body;

two through holes (11) or three through holes (11) are formed in the side of the junction box (1), when the number of the weak electric wires (3) is in a first preset range, the junction box (1) with three holes is selected, and when the number of the weak electric wires (3) is in a second preset range, the junction box (1) with two holes is selected.

2. The civil air defense weak current line wiring structure according to claim 1, wherein the weak current lines (3) are wires within 2.5 square, the first preset range is 7-12, and the second preset range is 12-18.

3. The civil air defense weak line wiring structure according to claim 1, wherein the pipe penetrating holes (11) are oppositely arranged at both sides of the junction box (1).

4. The civil air defense weak current line wiring structure according to claim 1, wherein the pipe diameter of the threading pipe (2) is not more than 25mm, and the wall thickness of the threading pipe (2) is 2.5mm.

5. The civil air defense weak current line connection structure according to claim 1, wherein the connection box (1) is formed by bending and/or welding a hot dip galvanized steel sheet with a thickness of not less than 3mm.

6. The civil air defense weak current circuit wiring structure according to claim 1, wherein the junction box (1) is provided with an opening, a detachable cover plate (6) is arranged at the opening, and the junction box (1) is filled with a sealing filler (7).

7. The civil air defense weak line wiring structure according to claim 6, wherein the thickness of the cover plate (6) is not less than 3mm.

8. The civil air defense weak line wiring structure according to claim 6, wherein the airtight filler (7) comprises epoxy resin and airtight fireproof cement.

9. The civil air defense weak line wiring structure according to claim 1, wherein the rib plates (4) are welded with the threading pipe (2) and the structural steel bars in the wall body respectively.

10. The civil air defense weak current circuit wiring structure according to claim 1, wherein a root nut (5) is fixed on the threading hole (11), and the threading pipe (2) is fixed on the junction box (1) through the root nut (5).