Fireproof heat preservation structure

By combining the inner sleeve and the outer fixing plate, and using the positioning abutment rod and the compression spring for fixation, the fireproof rubber layer inside the inner sleeve seals off the air, solving the problem of the flammability of the pipe insulation layer, improving stability and fireproof effect, and simplifying the installation process.

CN223537240UActive Publication Date: 2025-11-11SHANDONG AIKAIEN ENVIRONMENTAL PROTECTION ENG CO LTD
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Patent Information

Application Number
CN202423061003.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-11
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

The existing pipe insulation layer is flammable in a fire, which can cause the fire to spread. In addition, the existing fireproof structure is complex and costly, making it difficult to install on the existing pipes.

Method used

The inner sleeve is combined with the outer fixing plate. The inner sleeve is fixed by a positioning abutment rod and a compression spring, and the outer fixing plate is fixed by a hinge plate and locking bolts. A fireproof rubber layer is installed inside the inner sleeve to seal and isolate the air.

Benefits of technology

It achieves pipeline stability and fire resistance, ensures structural strength and tightness of fit, simplifies the installation process of fireproof structures, and reduces costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

A fireproof heat preservation structure comprises an inner sleeve, a strip-shaped seam is formed in the middle of the inner sleeve, and an outer fixing plate is arranged in the middle of the inner sleeve. A plurality of positioning abutting rods are arranged between the outer fixing plate and the inner sleeve, the outer fixing plate comprises an upper hinge plate and a lower hinge plate, one end of the upper hinge plate is hinged to one end of the lower hinge plate through an outer hinge shaft, and an upper connecting plate is arranged on the side, away from the outer hinge shaft, of the upper hinge plate; a lower connecting plate is arranged on the side, away from the outer hinge shaft, of the lower hinge plate, and the upper connecting plate and the lower connecting plate are connected through a locking bolt. The inner sleeve is adopted for fireproof sealing, the outer portion is fixed through the outer fixing plate, and the stability of the inner sleeve structure is guaranteed.
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Description

Technical Field

[0001] This application relates to a fireproof and heat-insulating structure. Background Technology

[0002] Pipe insulation refers to installing an insulation layer on the outside of pipes to keep them warm and cool. In the event of a fire, the pipe insulation layer, being flammable, can easily spread along the pipes, increasing the damage caused by the fire. When installing an insulation layer on newly constructed pipes, the advantages and disadvantages of various solutions, such as material replacement and the installation of fire-resistant structures, need to be considered. For retrofitting existing pipes, the convenience and effectiveness of the installation must be considered more carefully, as existing fire-resistant structures are often too complex, costly, and difficult to install on existing pipes. Utility Model Content

[0003] To address the aforementioned problems, this application proposes a fireproof and heat-insulating structure, comprising an inner sleeve with a central slot, and an outer fixing plate at the center of the inner sleeve. Several positioning and abutting rods are provided between the outer fixing plate and the inner sleeve. The outer fixing plate includes an upper hinge plate and a lower hinge plate, one end of which is hinged together by an outer hinge shaft. An upper connecting plate is located on the side of the upper hinge plate away from the outer hinge shaft, and a lower connecting plate is located on the side of the lower hinge plate away from the outer hinge shaft. The upper and lower connecting plates are connected by locking bolts. This application uses an inner sleeve for fireproof sealing and an outer fixing plate for external fixation, ensuring the stability of the inner sleeve structure.

[0004] Preferably, the positioning abutment rod includes a vertical bolt passing through the outer fixing plate, a fixing connector is provided on the outside of the vertical bolt on the outer fixing plate, and a compression spring is sleeved on the vertical bolt. One side of the compression spring abuts against the inner side of the outer fixing plate, and the other side of the compression spring abuts against the outer surface of the inner sleeve. This application uses a positioning abutment rod with a compression spring to abut and position the inner sleeve, ensuring the structural strength and tightness of the fit after fixing.

[0005] Preferably, the upper hinge plate includes an upper vertical support plate connected to the outer hinge shaft, an upper horizontal plate is provided at one end of the upper vertical support plate, and an upper vertical connecting plate is provided at the other end of the upper horizontal plate. The upper connecting plate is provided on the upper vertical connecting plate.

[0006] Preferably, the vertical bolt is disposed on the upper horizontal plate.

[0007] Preferably, the lower hinge plate includes a lower vertical support plate connected to the outer hinge shaft, a lower horizontal plate is provided at one end of the lower vertical support plate, and a lower vertical connecting plate is provided at the other end of the lower horizontal plate. The lower connecting plate is provided on the lower vertical connecting plate.

[0008] Preferably, the vertical bolt is disposed on the lower horizontal plate.

[0009] Preferably, the inner sleeve includes an upper arc-shaped plate and a lower arc-shaped plate, with an inner hinge shaft provided on one side of the upper and lower arc-shaped plates, and the upper and lower arc-shaped plates abutting against each other on the other side of the inner hinge shaft.

[0010] Preferably, the upper arc-shaped plate includes an upper steel arc-shaped plate, with an upper fireproof rubber layer disposed on the inner side of the upper steel arc-shaped plate; the lower arc-shaped plate includes a lower steel arc-shaped plate, with a lower fireproof rubber layer disposed on the inner side of the lower steel arc-shaped plate. The upper and lower fireproof rubber layers provided in this application work together to seal and isolate the air, ensuring a fireproof effect.

[0011] This application can bring the following beneficial effects:

[0012] 1. This application uses an inner sleeve for fireproof sealing, and an outer fixing plate for external fixation, which ensures the stability of the inner sleeve structure.

[0013] 2. This application uses a positioning abutment rod with a compression spring to abut and position the inner sleeve, ensuring the structural strength and tightness of the fit after fixing.

[0014] 3. The upper and lower fireproof rubber layers provided in this application work together to seal off and isolate the air, thus ensuring the fireproof effect. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0016] Figure 1 This is a schematic diagram of the structure of this application.

[0017] Figure 2 This is a cross-sectional structural diagram of this application.

[0018] Figure 3 This is a side view structural diagram of this application.

[0019] Figure 4 This is a structural schematic diagram of the external fixing plate. Detailed Implementation

[0020] To clearly illustrate the technical features of this solution, the following detailed description, in conjunction with the accompanying drawings, will be provided.

[0021] In the first embodiment, such as Figure 1-2As shown, a fireproof and heat-insulating structure includes an inner sleeve 2 with a strip-shaped slit 1 in the middle, and an outer fixing plate 3 in the middle of the inner sleeve 2; a plurality of positioning and abutting rods 4 are provided between the outer fixing plate 3 and the inner sleeve 2; the outer fixing plate 3 includes an upper hinge plate 5 and a lower hinge plate 6, one end of the upper hinge plate 5 and the lower hinge plate 6 are hinged together by an outer hinge shaft 7; an upper connecting plate 8 is provided on the side of the upper hinge plate 5 away from the outer hinge shaft 7, and a lower connecting plate 9 is provided on the side of the lower hinge plate 6 away from the outer hinge shaft 7; the upper connecting plate 8 and the lower connecting plate 9 are connected by locking bolts 10.

[0022] In use, open the strip slit 1 on the outside of the fireproof zone, then wrap the inner sleeve 2 inside, and then install the upper hinge plate 5 and the lower hinge plate 6 from the outside through the outer hinge shaft 7. The other side is locked with the locking bolt 10, thus completing the assembly.

[0023] In the second embodiment, as Figure 1-4 As shown, a fireproof and heat-insulating structure includes an inner sleeve 2 with a strip-shaped slit 1 in the middle, and an outer fixing plate 3 in the middle of the inner sleeve 2; a plurality of positioning and abutting rods 4 are provided between the outer fixing plate 3 and the inner sleeve 2; the outer fixing plate 3 includes an upper hinge plate 5 and a lower hinge plate 6, one end of the upper hinge plate 5 and the lower hinge plate 6 are hinged together by an outer hinge shaft 7; an upper connecting plate 8 is provided on the side of the upper hinge plate 5 away from the outer hinge shaft 7, and a lower connecting plate 9 is provided on the side of the lower hinge plate 6 away from the outer hinge shaft 7; the upper connecting plate 8 and the lower connecting plate 9 are connected by locking bolts 10.

[0024] The positioning abutment rod 4 includes a vertical bolt 11 passing through the outer fixing plate 3. A fixing connector 12 is provided on the outside of the vertical bolt 11 located on the outer fixing plate 3. A compression spring 13 is sleeved on the vertical bolt 11. One side of the compression spring 13 abuts against the inner side of the outer fixing plate 3, and the other side of the compression spring 13 abuts against the outer surface of the inner sleeve 2. The upper hinge plate 5 includes an upper vertical support plate 14 connected to the outer hinge shaft 7. An upper horizontal plate 15 is provided at one end of the upper vertical support plate 14, and an upper vertical connecting plate 16 is provided at the other end of the upper horizontal plate 15. The upper connecting plate 8 is provided on the upper vertical connecting plate 16. The vertical bolt 11 is provided on the upper horizontal plate 15.

[0025] The lower hinge plate 6 includes a lower vertical support plate 17 connected to the outer hinge shaft 7. A lower horizontal plate 18 is provided at one end of the lower vertical support plate 17, and a lower vertical connecting plate 19 is provided at the other end of the lower horizontal plate 18. The lower connecting plate 19 is provided on the lower vertical connecting plate 19. The vertical bolt 11 is provided on the lower horizontal plate 18.

[0026] The inner sleeve 2 includes an upper arc-shaped plate 20 and a lower arc-shaped plate 21. An inner hinge shaft 22 is provided on one side of both the upper and lower arc-shaped plates 20 and 21, and the upper and lower arc-shaped plates 20 and 21 are abutted against each other relative to the other side of the inner hinge shaft 22. The upper arc-shaped plate 20 includes an upper steel arc-shaped plate 23, with an upper fireproof rubber layer 24 provided on the inner side of the upper steel arc-shaped plate 23. The lower arc-shaped plate 21 includes a lower steel arc-shaped plate 25, with a lower fireproof rubber layer 26 provided on the inner side of the lower steel arc-shaped plate 25.

[0027] In use, open the strip slit 1 on the outside of the fireproof zone where fire protection is required, and hinge the upper arc plate 20 and the lower arc plate 21 together through the inner hinge shaft so that the upper fireproof rubber layer 24 abuts against the internal pipe and the lower fireproof rubber layer 26 abuts against the internal pipe. On the outside, the upper hinge plate 5 and the lower hinge plate 6 are hinged together through the outer hinge shaft 7 to form an outer fixed plate. The other side is locked with locking bolts 10, thus completing the assembly.

[0028] The above are merely embodiments of this application and are not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A fireproof and heat-insulating structure, characterized in that: The device includes an inner sleeve with a strip-shaped slit in the middle, and an outer fixing plate in the middle of the inner sleeve. Several positioning and abutting rods are provided between the outer fixing plate and the inner sleeve. The outer fixing plate includes an upper hinge plate and a lower hinge plate. One end of the upper hinge plate and the lower hinge plate are hinged together by an outer hinge shaft. An upper connecting plate is provided on the side of the upper hinge plate away from the outer hinge shaft, and a lower connecting plate is provided on the side of the lower hinge plate away from the outer hinge shaft. The upper connecting plate and the lower connecting plate are connected by locking bolts.

2. The fireproof and heat-insulating structure as described in claim 1, characterized in that: The positioning abutment rod includes a vertical bolt passing through the outer fixing plate. A fixing connector is provided on the outside of the outer fixing plate where the vertical bolt is located. A compression spring is sleeved on the vertical bolt. One side of the compression spring abuts against the inner side of the outer fixing plate, and the other side of the compression spring abuts against the outer surface of the inner sleeve.

3. The fireproof and heat-insulating structure as described in claim 2, characterized in that: The upper hinge plate includes an upper vertical support plate connected to the outer hinge shaft, an upper horizontal plate is provided at one end of the upper vertical support plate, and an upper vertical connecting plate is provided at the other end of the upper horizontal plate. The upper connecting plate is provided on the upper vertical connecting plate.

4. The fireproof and heat-insulating structure as described in claim 3, characterized in that: The vertical bolts are mounted on the upper horizontal plate.

5. The fireproof and heat-insulating structure as described in claim 2, characterized in that: The lower hinge plate includes a lower vertical support plate connected to the outer hinge shaft, a lower horizontal plate is provided at one end of the lower vertical support plate, and a lower vertical connecting plate is provided at the other end of the lower horizontal plate. The lower connecting plate is provided on the lower vertical connecting plate.

6. The fireproof and heat-insulating structure as described in claim 5, characterized in that: The vertical bolts are installed on the lower horizontal plate.

7. The fireproof and heat-insulating structure as described in claim 1, characterized in that: The inner sleeve includes an upper arc-shaped plate and a lower arc-shaped plate. An inner hinge shaft is provided on one side of the upper arc-shaped plate and the lower arc-shaped plate, and the upper arc-shaped plate and the lower arc-shaped plate are abutted against the other side of the inner hinge shaft.

8. The fireproof and heat-insulating structure as described in claim 7, characterized in that: The upper arc-shaped plate includes an upper steel arc-shaped plate, and an upper fireproof rubber layer is provided on the inner side of the upper steel arc-shaped plate; the lower arc-shaped plate includes a lower steel arc-shaped plate, and a lower fireproof rubber layer is provided on the inner side of the lower steel arc-shaped plate.