Fireproof plugging structure of electrical vertical shaft

By using fitted fire extinguishing plates, fire-proof particles and sealing structures in electrical shafts, the problem of insufficient sealing between floors is solved, and better fire-proofing effect and smoke isolation are achieved.

CN222333010UActive Publication Date: 2025-01-10WUXI YIXIANG CONSTRUCTION ENGINEERING CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421153994.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2025-01-10
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

The existing electrical shaft fire-proof sealing structure has insufficient sealing between floor panels, causing smoke to float out through the gaps, affecting the safety of adjacent floors.

Method used

The first and second fire extinguishing plates are respectively fitted with the reserved holes of the floor slab, and filled with the installation rod and fire-proof particles, combined with the use of glass glue and fire-proof mud, to enhance the sealing property and prevent smoke from floating out through the gap.

Benefits of technology

It effectively improves the seal between floors, prevents the spread of smoke, enhances fire protection, and ensures safety in the electrical shaft.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222333010U_ABST
    Figure CN222333010U_ABST
Patent Text Reader

Abstract

The utility model discloses an electrical vertical shaft fireproof plugging structure which comprises a wall body, a floor slab is arranged on one side of the wall body, a reserved hole is formed in the surface of the floor slab, a line channel is inserted into the reserved hole in a penetrating mode, and a first fire extinguishing plate and a second fire extinguishing plate are installed on the two sides of the reserved hole respectively. A mounting hole is formed in the surface of the first fire extinguishing plate, a mounting rod connected with the second fire extinguishing plate is inserted into the mounting hole in a penetrating mode, the first fire extinguishing plate and the second fire extinguishing plate are attached to the two ends of a reserved hole of a floor correspondingly, and the mounting rod on one side of the second fire extinguishing plate penetrates through the first fire extinguishing plate and is provided with a mounting nut; and the first fire extinguishing plate and the second fire extinguishing plate can be fixed to the two sides of the reserved hole, fireproof particles are thrown into the mounting rod, the fireproof particles are discharged through a discharging opening in the surface of the mounting rod, the reserved hole is filled with the fireproof particles, and the reserved hole has the good fireproof effect.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a fireproof blocking structure for an electrical shaft. Background Art

[0002] According to the requirements of the fire protection acceptance code for construction projects, the cable channels in the electrical shaft must be blocked between layers after the cable laying is completed to avoid the fire from concentrating upward along the electrical shaft after the fire occurs, so as to prevent the fire from spreading between layers;

[0003] After searching, a fireproof blocking structure for an electrical shaft was disclosed with the publication number CN217679772U;

[0004] Although the existing electrical shaft fireproof blocking structure can be fireproofed by the fireproof panels on the upper and lower sides, the sealing performance of the passages between the floor panels is relatively poor, which can easily cause smoke generated by the fire on the floor to float out through the gaps between the fireproof panels and the floors and between the fireproof panels and the line passages, affecting the adjacent floors and causing fires on other floors.

[0005] Therefore, there is an urgent need to improve the testing platform for electrical equipment manufacturing to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide an electrical shaft fireproof blocking structure to solve the problems raised in the background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electrical shaft fireproof blocking structure, comprising a wall, a floor slab is arranged on one side of the wall, a reserved hole is opened on the surface of the floor slab, a line channel is inserted inside the reserved hole, a first fire extinguishing plate and a second fire extinguishing plate are respectively installed on both sides of the reserved hole, a mounting hole is opened on the surface of the first fire extinguishing plate, a mounting rod connected to the second fire extinguishing plate is inserted inside the mounting hole, the mounting rod is fitted with both sides of the inner wall of the reserved hole, a mounting nut is installed on one end of the mounting rod, a first sealing structure is arranged between the first fire extinguishing plate and the second fire extinguishing plate and the floor slab, and a second sealing structure is arranged between the first fire extinguishing plate and the second fire extinguishing plate and the wiring energization.

[0008] Preferably, the mounting rod is an intermediate structure, and discharge ports are provided on both sides of the surface of the mounting rod, and the discharge ports are located inside the reserved hole.

[0009] Preferably, the interior of the reserved hole is filled with fire-proof particles, the diameter of the fire-proof particles is smaller than the width of the discharge port, and the fire-proof particles fill the reserved hole and are located between the first fire extinguishing plate and the second fire extinguishing plate.

[0010] Preferably, the first sealing structure comprises limiting grooves, the limiting grooves are provided on both sides of the floor, and limiting strips are provided on the sides of the first fire extinguishing plate and the second fire extinguishing plate in contact with the floor, and the limiting strips are inserted into the limiting grooves.

[0011] Preferably, the surfaces of the first fire extinguishing plate and the second fire extinguishing plate are provided with glue spraying holes, the glue spraying holes penetrate the limiting strip, and the interior of the limiting groove is filled with glass glue connected to the limiting strip.

[0012] Preferably, the second sealing structure comprises a mounting frame, the mounting frame is fixed to one side of the first fire extinguishing plate and the second fire extinguishing plate, and the interior of the mounting frame is filled with fireproof mud that fits the line channel.

[0013] Preferably, mounting rails are provided on both sides of the upper end of the mounting frame, a pressure plate is inserted between the two mounting rails, and a limiting component is provided between the pressure plate and the mounting rails.

[0014] Preferably, the limiting assembly includes a slot, which is opened on both sides of the upper end of the pressure plate, and an installation slot is opened inside the mounting rail, a fixing spring is installed inside the mounting slot, a blocking block is fixedly installed at one end of the fixing spring, the lower end of the blocking block is movably inserted into the inside of the slot, one end of the blocking block is inclined, a pull rod is installed at the upper end of the blocking block, and the upper end of the pull rod is movably inserted into the outside of the mounting rail and is installed with a pull strip.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. In the utility model, the first fire extinguishing plate and the second fire extinguishing plate are respectively fitted with the two ends of the reserved hole of the floor slab, and a mounting rod on one side of the second fire extinguishing plate penetrates the first fire extinguishing plate and is installed with mounting nuts, so that the first fire extinguishing plate and the second fire extinguishing plate can be fixed on both sides of the reserved hole, and fireproof particles are put into the interior of the mounting rod, and the fireproof particles are discharged through the discharge port on the surface of the mounting rod, so that the fireproof particles fill the reserved hole, so that the reserved hole has a good fireproof effect.

[0017] 2. In the utility model, when the first fire extinguishing board and the second fire extinguishing board are respectively attached to the two sides of the floor slab, the limit strip is inserted into the interior of the limit groove, and the user can spray glass glue into the interior of the limit groove through the glue spray hole. When the glass glue can flow out through other glue spray holes, it means that the glass glue fills the limit groove, so that the limit strip can be connected to the floor slab through the glass glue, thereby enhancing the sealing of the first fire extinguishing board and the second fire extinguishing board with the floor slab. The user squeezes the fireproof mud into the installation frame so that the fireproof mud can fill the installation frame. The fireproof mud can seal the gap between the first fireproof board and the second fireproof board and the wiring power supply, thereby preventing smoke from floating out through the gap between the first fireproof board and the second fireproof board and the wiring power supply, thereby enhancing the sealing, and under the action of the pressure plate, preventing the fireproof mud from detaching from the inside of the installation frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model device;

[0019] Figure 2 It is a schematic diagram of the bottom structure of the device of the utility model;

[0020] Figure 3 This is a schematic diagram of the half-section structure of the installation location of the utility model device;

[0021] Figure 4 This is a schematic diagram of the half-section structure of the installation frame of the utility model device;

[0022] Figure 5 This utility model Figure 4 The enlarged structural diagram at A in the middle;

[0023] Figure 6 It is a schematic diagram of the internal structure of the reserved hole in the device of the utility model.

[0024] In the figure: 1. wall; 2. floor; 3. line channel; 4. first fire extinguishing board; 5. mounting rod; 6. mounting nut; 7. mounting frame; 8. mounting rail; 9. pressure plate; 10. spray hole; 11. second fire extinguishing board; 12. reserved opening; 13. fireproof particles; 14. limit groove; 15. limit strip; 16. glass glue; 17. slot; 18. fixing spring; 19. block; 20. pull rod; 21. pull strip; 22. fireproof mud. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 6 , the utility model provides an embodiment: an electrical shaft fireproof blocking structure, comprising a wall 1, a floor 2 is provided on one side of the wall 1, a reserved hole 12 is provided on the surface of the floor 2, a line channel 3 is inserted inside the reserved hole 12, a first fire extinguishing plate 4 and a second fire extinguishing plate 11 are installed on both sides of the reserved hole 12, a mounting hole is provided on the surface of the first fire extinguishing plate 4, a mounting rod 5 connected to the second fire extinguishing plate 11 is inserted inside the mounting hole, the mounting rod 5 is fitted with both sides of the inner wall of the reserved hole 12, a mounting nut 6 is installed at one end of the mounting rod 5, the mounting rod 5 is an intermediate structure, and discharge ports are provided on both sides of the surface of the mounting rod 5, the discharge ports are located inside the reserved hole 12, the reserved hole 12 is filled with fireproof particles 13, the diameter of the fireproof particles 13 is smaller than the width of the discharge port, the fireproof particles 13 fill the reserved hole 12 and are located between the first fire extinguishing plate 4 and the second fire extinguishing plate 11;

[0027] In this embodiment, the first fire extinguishing plate 4 and the second fire extinguishing plate 11 are respectively fitted with the two ends of the reserved holes of the floor slab 2, and the mounting rod 5 on one side of the second fire extinguishing plate 11 passes through the first fire extinguishing plate 4, and the mounting nut 6 is installed, so that the first fire extinguishing plate 4 and the second fire extinguishing plate 11 can be fixed on both sides of the reserved holes, and the fire-proof particles 13 are put into the interior of the mounting rod 5, and the fire-proof particles 13 are discharged through the discharge port on the surface of the mounting rod 5, so that the fire-proof particles 13 fill the reserved holes, so that the reserved holes have a good fire-proofing effect.

[0028] See also Figure 4 and Figure 5 The utility model provides an embodiment: an electrical shaft fireproof blocking structure, wherein a first sealing structure is provided between the first fire extinguishing plate 4 and the second fire extinguishing plate 11 and the floor 2, the first sealing structure comprises a limit groove 14, the limit groove 14 is provided on both sides of the floor 2, the first fire extinguishing plate 4 and the second fire extinguishing plate 11 are provided with a limit strip 15 on the side in contact with the floor 2, the limit strip 15 is inserted into the inside of the limit groove 14, the surfaces of the first fire extinguishing plate 4 and the second fire extinguishing plate 11 are provided with a glue spraying hole 10, the glue spraying hole 10 penetrates the limit strip 15, and the inside of the limit groove 14 is filled with glass glue 16 connected with the limit strip 15;

[0029] In this embodiment, when the first fire extinguishing plate 4 and the second fire extinguishing plate 11 are respectively attached to the two sides of the floor 2, the limiting strip 15 is inserted into the inside of the limiting groove 14, and the user can spray the glass glue 16 into the inside of the limiting groove 14 through the spray hole 10. When the glass glue 16 can flow out through other spray holes 10, it means that the glass glue 16 fills the limiting groove 14, so that the limiting strip 15 can be connected to the floor 2 through the glass glue 16, thereby enhancing the sealing between the first fire extinguishing plate 4 and the second fire extinguishing plate 11 and the floor 2.

[0030] See also Figure 4 and Figure 5 , the utility model provides an embodiment: an electrical shaft fireproof blocking structure, a second sealing structure is provided between the first fire extinguishing plate 4 and the second fire extinguishing plate 11 and the wiring energization, the second sealing structure includes a mounting frame 7, the mounting frame 7 is fixed on one side of the first fire extinguishing plate 4 and the second fire extinguishing plate 11, the interior of the mounting frame 7 is filled with fireproof mud 22 that fits the line channel 3, both sides of the upper end of the mounting frame 7 are provided with mounting rails 8, and a pressure plate 9 is inserted between the two mounting rails 8;

[0031] In this embodiment, the user squeezes the fireproof mud 22 into the installation frame 7 so that the fireproof mud 22 can fill the installation frame 7. The fireproof mud 22 can seal the gap between the first fireproof board and the second fireproof board and the wiring power supply, thereby preventing smoke from drifting out through the gap between the first fireproof board and the second fireproof board and the wiring power supply, thereby enhancing the sealing performance. Under the action of the pressure plate 9, the fireproof mud 22 is prevented from detaching from the inside of the installation frame 7.

[0032] See also Figure 4 and Figure 5 The utility model provides an embodiment: an electrical shaft fireproof plugging structure, a limit assembly is arranged between the pressing plate 9 and the mounting rail 8, the limit assembly includes a card slot 17, the card slot 17 is arranged on both sides of the upper end of the pressing plate 9, the mounting rail 8 is provided with a mounting slot, a clamping spring 18 is installed inside the mounting slot, a clamping block 19 is fixedly installed at one end of the clamping spring 18, the lower end of the clamping block 19 is movably inserted in the card slot 17, one end of the clamping block 19 is inclined, a pull rod 20 is installed at the upper end of the clamping block 19, the upper end of the pull rod 20 is movably inserted in the outer side of the mounting rail 8 and is installed with a pull strip 21;

[0033] In this embodiment, the pressure plate 9 is inserted into the interior of the mounting rail 8, so that the pressure plate 9 can limit and press the fireproof mud 22. The pressure plate 9 is inserted into the interior of the mounting rail 8, and the block 19 is squeezed into the interior of the mounting groove to compress the fixing spring 18. When the pressure plate 9 is fully inserted into the interior of the mounting rail 8 to cover the fireproof mud 22, the block 19 is inserted into the interior of the slot 17 under the action of the fixing spring 18, which is convenient for protecting the fireproof mud 22. The user pulls the pull rod 21, and the pull rod 21 drives the block 19 to move through the pull rod 20, so that the block 19 is pulled out from the inside of the slot 17, so that the pressure plate 9 can be pulled out from the inside of the mounting rail 8, which is convenient for replacing the fireproof mud 22.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An electrical shaft fireproof blocking structure, comprising a wall (1), a floor (2) being arranged on one side of the wall (1), a reserved opening (12) being opened on the surface of the floor (2), a line channel (3) being inserted inside the reserved opening (12), characterized in that: A first fire extinguishing plate (4) and a second fire extinguishing plate (11) are respectively installed on both sides of the reserved opening (12); a mounting hole is provided on the surface of the first fire extinguishing plate (4); a mounting rod (5) connected to the second fire extinguishing plate (11) is inserted into the interior of the mounting hole; the mounting rod (5) is fitted with both sides of the inner wall of the reserved opening (12); a mounting nut (6) is installed at one end of the mounting rod (5); a first sealing structure is provided between the first fire extinguishing plate (4) and the second fire extinguishing plate (11) and the floor slab (2); and a second sealing structure is provided between the first fire extinguishing plate (4) and the second fire extinguishing plate (11) and the wiring power supply.

2. The fireproof blocking structure for an electrical shaft according to claim 1, characterized in that: The mounting rod (5) is an intermediate structure, and discharge ports are provided on both sides of the surface of the mounting rod (5), and the discharge ports are located inside the reserved hole (12).

3. The fireproof blocking structure for an electrical shaft according to claim 2, characterized in that: The reserved hole (12) is filled with fireproof particles (13), the diameter of the fireproof particles (13) is smaller than the width of the discharge port, and the fireproof particles (13) fill the reserved hole (12) and are located between the first fire extinguishing plate (4) and the second fire extinguishing plate (11).

4. The fireproof blocking structure for an electrical shaft according to claim 1, characterized in that: The first sealing structure comprises a limiting groove (14), the limiting groove (14) being provided on both sides of the floor slab (2), and limiting strips (15) are provided on the sides of the first fire extinguishing plate (4) and the second fire extinguishing plate (11) in contact with the floor slab (2), the limiting strips (15) being inserted into the limiting groove (14).

5. The fireproof blocking structure for an electrical shaft according to claim 4, characterized in that: Glue spray holes (10) are provided on the surfaces of the first fire extinguishing plate (4) and the second fire extinguishing plate (11), the glue spray holes (10) penetrate the limiting strip (15), and the interior of the limiting groove (14) is filled with glass glue (16) connected to the limiting strip (15).

6. The fireproof blocking structure for an electrical shaft according to claim 1, characterized in that: The second sealing structure comprises a mounting frame (7), the mounting frame (7) being fixed to one side of the first fire extinguishing plate (4) and the second fire extinguishing plate (11), the interior of the mounting frame (7) being filled with fireproof mud (22) that fits the line channel (3).

7. The fireproof blocking structure for an electrical shaft according to claim 6, characterized in that: Mounting rails (8) are provided on both sides of the upper end of the mounting frame (7), a pressure plate (9) is inserted between the two mounting rails (8), and a limiting component is provided between the pressure plate (9) and the mounting rails (8).

8. The fireproof blocking structure for an electrical shaft according to claim 7, characterized in that: The limit assembly comprises a slot (17), wherein the slot (17) is provided on both sides of the upper end of the pressure plate (9), the mounting rail (8) is provided with a mounting slot inside, a retaining spring (18) is installed inside the mounting slot, a retaining block (19) is fixedly installed at one end of the retaining spring (18), the lower end of the retaining block (19) is movably inserted into the slot (17), one end of the retaining block (19) is inclined, a pull rod (20) is installed at the upper end of the retaining block (19), the upper end of the pull rod (20) is movably inserted into the outer side of the mounting rail (8) and is installed with a pull strip (21).

Citation Information

Patent Citations

  • Fireproof plugging structure of electrical vertical shaft

    CN217679772U