Lightweight fireproof plugging plate structure constructed from lower part and used for sealing tube well floor hole
By using lightweight fireproof sealing panels in building construction, the fire prevention problem of pipe wells was solved, achieving efficient and economical fireproof sealing effect, meeting building fire protection specifications and shortening the construction period.
Patent Information
- Application Number
- CN202422910400.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-11-27
AI Technical Summary
In building construction, the fire prevention of pipe wells in complex areas is easily overlooked, leading to the need to address it later in the construction process. However, due to limitations in construction conditions and costs, there is a lack of simple and effective fire-stopping structures.
The structure employs a lightweight fireproof sealing board for enclosed pipe shaft floor openings constructed from the bottom. It includes components such as upper and lower edge joists, horizontal joists, fire-resistant gypsum board, and rock wool. These components are fixed with expansion screws and filled with sealant to form a robust fireproof sealing structure.
It achieves lightweight and simple fireproof sealing panels that meet the Class I fire resistance rating, with a floor slab fire resistance limit of not less than 1.5 hours, reducing construction cycle and cost.
Smart Images

Figure CN223608008U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to floor hole fire prevention plugging field, especially to a kind of from lower construction's closed pipe well floor hole light fire prevention plugging board structure. BACKGROUND
[0002] In the process of structural design and construction of building, meeting the fire protection requirement is an important content of building in engineering construction. Therefore, in a project, especially the pipe well with complex part, the fire protection problem is particularly easy to be ignored in design or early construction, when the construction of project is in later period, it is found that the fire protection problem of pipe well must be solved, but due to the limitation of construction condition, and to reduce construction cost, save construction period and consider the convenience of construction, so a kind of process structure and construction method with simple structure, simple material and fireproof performance meeting the floor requirement is extremely important. UTILITY MODEL CONTENT
[0003] The utility model provides a kind of from lower construction's closed pipe well floor hole light fire prevention plugging board structure in view of the problems and deficiencies of prior art.
[0004] The utility model solves the above technical problem by the following technical scheme:
[0005] The utility model provides a kind of from lower construction's closed pipe well floor hole light fire prevention plugging board structure, it is characterized in that, it includes upper layer along edge keel, lower layer along edge keel, upper layer horizontal keel, lower layer horizontal keel, upper layer fireproof paper faced gypsum board, lower layer fireproof paper faced gypsum board and rock wool, the opposite surface of indoor top parallel left beam and right beam is uniformly spaced and fixed with multiple upper layer along edge keels along the extension direction of beam, and the upper layer along edge keel on left beam and the upper layer along edge keel on right beam are one-to-one correspondence, and upper layer horizontal keel is fixed between the left and right two corresponding upper layer along edge keels, and the lower surface of upper layer horizontal keel is fixed with upper layer fireproof paper faced gypsum board, the opposite surface of indoor top parallel left beam and right beam is uniformly spaced and fixed with multiple lower layer along edge keels along the extension direction of beam, and the lower layer along edge keel on left beam and the lower layer along edge keel on right beam are one-to-one correspondence, and lower layer horizontal keel is fixed between the left and right two corresponding lower layer along edge keels, and lower layer horizontal keel is located at the bottom end of upper layer fireproof paper faced gypsum board, and rock wool is filled in the inside of lower layer horizontal keel, and lower layer fireproof paper faced gypsum board is fixed on the lower surface of lower layer horizontal keel, and the left and right ends of lower layer fireproof paper faced gypsum board are fixed on the bottom of left beam and right beam respectively.
[0006] Preferably, light fire prevention plugging board structure further includes sealing paste, and sealing paste is filled between upper layer fireproof paper faced gypsum board and upper layer horizontal keel.
[0007] Preferably, the upper fire-resistant paper-faced gypsum board and the lower fire-resistant paper-faced gypsum board are both double-layer structures.
[0008] Preferably, the upper portions of the opposite surfaces of the left and right parallel beams of the indoor top are uniformly fixed with a plurality of upper edge side furring strips along the extension direction of the beams.
[0009] Preferably, the lower portions of the opposite surfaces of the left and right parallel beams of the indoor top are uniformly fixed with a plurality of lower edge side furring strips along the extension direction of the beams.
[0010] Preferably, the left upper edge side furring strip is fixed to the left beam by expansion screws, and the right upper edge side furring strip is fixed to the right beam by expansion screws.
[0011] Preferably, the left lower edge side furring strip is fixed to the left beam by expansion screws, and the right lower edge side furring strip is fixed to the right beam by expansion screws.
[0012] Preferably, the left and right sides of the upper horizontal furring strip are provided with upper clamping grooves, and the left and right sides of the upper horizontal furring strip are clamped to the corresponding side of the upper edge side furring strip by the upper clamping grooves.
[0013] Preferably, the left and right sides of the lower horizontal furring strip are provided with lower clamping grooves, and the left and right sides of the lower horizontal furring strip are clamped to the corresponding side of the lower edge side furring strip by the lower clamping grooves.
[0014] The positive progress effect of the present application is that:
[0015] Compared with the prior art, the present application has the advantages of light weight, simple structure, firm overall structure, and fireproof performance that not only meets the first fire resistance level of the specification for civil buildings and the requirement that the fire resistance limit of the floor is not less than 1.5 hours, but also facilitates installation and construction, effectively reduces the construction period, and reduces the construction cost. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The present application is a schematic view of the light fireproof plugging plate structure of the closed pipe well floor opening constructed from the lower portion. DETAILED DESCRIPTION
[0017] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0018] AsFigure 1 As shown, the embodiment provides a light-weight fireproof sealing plate structure for a closed pipe well floor slab hole constructed from the lower part, which comprises upper edge girts 3, lower edge girts 6, upper horizontal girts 4, lower horizontal girts 7, upper fire-resistant paper-faced gypsum boards 5, lower fire-resistant paper-faced gypsum boards 9, rock wool 8 and sealing paste 10, a plurality of upper edge girts 3 are fixed on the upper part of the opposite surfaces of the parallel left and right beams 1 and 2 along the extension direction of the beams at intervals, the upper edge girts 3 on the left beam 1 and the upper edge girts 3 on the right beam 2 correspond to each other, the upper horizontal girt 4 is fixed between the left and right corresponding upper edge girts 3, the upper fire-resistant paper-faced gypsum board 5 is fixed on the lower surface of the upper horizontal girt 4, a plurality of lower edge girts 6 are fixed on the lower part of the opposite surfaces of the parallel left and right beams 1 and 2 along the extension direction of the beams at intervals, the lower edge girts 6 on the left beam 1 and the lower edge girts 6 on the right beam 2 correspond to each other, the lower horizontal girt 7 is fixed between the left and right corresponding lower edge girts 6, the lower horizontal girt 7 is located at the bottom end of the upper fire-resistant paper-faced gypsum board 5, the rock wool 8 is filled in the inside of the lower horizontal girt 6, the lower fire-resistant paper-faced gypsum board 9 is fixed on the lower surface of the lower horizontal girt 7, and the left and right ends of the lower fire-resistant paper-faced gypsum board 9 are respectively fixed on the bottom of the left and right beams 1 and 2.
[0019] Among them, the sealing paste is filled between the upper fire-resistant paper-faced gypsum board 5 and the upper horizontal girt 4.
[0020] Among them, the upper fire-resistant paper-faced gypsum board 5 and the lower fire-resistant paper-faced gypsum board 9 are both double-layer structures.
[0021] Among them, a plurality of upper edge girts 3 are uniformly and evenly fixed on the upper part of the opposite surfaces of the parallel left and right beams 1 and 2 along the extension direction of the beams.
[0022] Among them, a plurality of lower edge girts 6 are uniformly and evenly fixed on the lower part of the opposite surfaces of the parallel left and right beams 1 and 2 along the extension direction of the beams.
[0023] Among them, the left side upper edge girt 3 is fixed on the left beam 1 through the expansion screw 11, and the right side upper edge girt 3 is fixed on the right beam 2 through the expansion screw 11.
[0024] Among them, the left side lower edge girt 6 is fixed on the left beam 1 through the expansion screw 11, and the right side lower edge girt 6 is fixed on the right beam 2 through the expansion screw 11.
[0025] Among them, the left and right sides of the upper horizontal girt 4 are provided with upper clamping grooves, and the left and right sides of the upper horizontal girt 4 respectively clamp the corresponding side upper edge girt 3 through the upper clamping grooves.
[0026] The left and right sides of the lower horizontal keel 7 are provided with lower clamping grooves, and the left and right sides of the lower horizontal keel 7 are clamped to the corresponding side of the lower edge keel 6 through the lower clamping grooves.
[0027] During construction, the construction steps of the lightweight fireproof blocking plate structure constructed on the indoor top are as follows:
[0028] Step 1: A plurality of upper edge keels 3 are uniformly and interval fixed on the corresponding points on the upper parts of the left beam 1 and the right beam 2 through expansion screws 11, upper clamping grooves are provided on the left and right sides of an upper horizontal keel 4, and the left and right sides of the upper horizontal keel 4 are clamped to the corresponding side of the upper edge keel 3 on the left beam 1 and the right beam 2 through the upper clamping grooves.
[0029] Step 2: A double-layer upper fire-resistant paper-faced gypsum board 5 is connected to the bottom of the upper horizontal keel 4 through a screw 12, and sealing paste 10 is filled between the upper fire-resistant paper-faced gypsum board 5 and the upper horizontal keel 4, so as to play a sealing role.
[0030] Step 3: A plurality of lower edge keels 6 are uniformly and interval fixed on the corresponding points on the lower parts of the left beam 1 and the right beam 2 through expansion screws 11, upper clamping grooves are provided on the left and right sides of a lower horizontal keel 7, and the left and right sides of the lower horizontal keel 7 are clamped to the corresponding side of the lower edge keel 6 on the left beam 1 and the right beam 2 through the upper clamping grooves.
[0031] Step 4: A double-layer lower fire-resistant paper-faced gypsum board 9 is connected to the bottom of the lower horizontal keel 7 through a screw 12, and the lower end of the lower layer of the double-layer lower fire-resistant paper-faced gypsum board 9 is slightly longer than the upper layer, and the part of the lower layer of the lower fire-resistant paper-faced gypsum board 9 is fixed to the bottom of the left beam 1 and the right beam 2.
[0032] Although the specific embodiments of the present application are described above, those skilled in the art should understand that these are only illustrative, and the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, and these changes and modifications all fall within the protection scope of the present application.
Claims
1. A lightweight fireproof closure panel structure for a lower construction closed tubular well floor opening, characterized by, The upper layer of the edge keel, the lower layer of the edge keel, the upper layer of the horizontal keel, the lower layer of the horizontal keel, the upper layer of the fire-resistant paper-faced gypsum board, the lower layer of the fire-resistant paper-faced gypsum board and the rock wool are arranged on the left and right beams of the indoor top.
2. The light weight fireproof closure panel structure for a lower construction closed tubular well floor opening according to claim 1, wherein The structure of the light fireproof sealing plate further comprises sealing paste, and the upper layer of the fire-resistant paper-faced gypsum board and the upper layer of the horizontal keel are filled with the sealing paste.
3. The light-weight fireproof closure panel structure for a lower construction closed tubular well floor opening according to claim 1, wherein The upper layer of the fire-resistant paper-faced gypsum board and the lower layer of the fire-resistant paper-faced gypsum board are both double-layer structures.
4. The light-weight fireproof closure panel structure for a lower construction closed tubular well floor opening according to claim 1, wherein The upper layer of the edge keel is uniformly and evenly spaced on the upper part of the left and right beams of the indoor top along the extension direction of the beams.
5. The light-weight fireproof closure panel structure for a lower construction closed tubular well floor opening according to Claim 1, wherein The lower layer of the edge keel is uniformly and evenly spaced on the lower part of the left and right beams of the indoor top along the extension direction of the beams.
6. The light-weight fireproof closure panel structure for a lower construction closed tubular well floor opening according to Claim 1, wherein The upper layer of the edge keel on the left is fixed to the left beam by expansion screws, and the upper layer of the edge keel on the right is fixed to the right beam by expansion screws.
7. The light-weight fireproof closure panel structure for a lower construction closed tubular well floor opening according to Claim 1, wherein The lower layer of the edge keel on the left is fixed to the left beam by expansion screws, and the lower layer of the edge keel on the right is fixed to the right beam by expansion screws.
8. The light-weight fireproof closure panel structure for a lower construction closed tubular well floor opening according to claim 1, wherein The upper layer of the horizontal keel is provided with upper layer clamping grooves on the left and right sides, and the upper layer of the horizontal keel clamps the upper layer of the edge keel on the corresponding side through the upper layer clamping grooves.
9. The light-weight fireproof closure panel structure for a top-down construction closed tubular well floor opening of claim 1, wherein The lower layer of the horizontal keel is provided with lower layer clamping grooves on the left and right sides, and the lower layer of the horizontal keel clamps the lower layer of the edge keel on the corresponding side through the lower layer clamping grooves.