Prefabricated sandwich heat preservation composite floor slab structure
By using annular positioning grooves and positioning protrusions in prefabricated sandwich insulated composite floor slabs, combined with the connection method of spring pins and limiting tubes, the problems of unstable floor slab connection and low efficiency are solved, achieving a high-efficiency and stable connection effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2026-03-27
AI Technical Summary
Existing precast sandwich insulated composite floor slabs are prone to slippage or rust during fixing, resulting in unstable connections and low efficiency.
The design employs an annular positioning groove and a positioning protrusion, combined with a spring pin and a limiting tube connection method, to replace the traditional bolt connection and ensure a stable connection between the floor slab and the insulation board.
It improves the connection stability and insulation performance between the floor slab and the insulation board, while also increasing the fixing efficiency and avoiding the instability and low efficiency of traditional bolt connections.
Smart Images
Figure CN224048472U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of fabricated building, specifically to a prefabricated sandwich heat preservation composite floor structure. BACKGROUND
[0002] The prefabricated slab is the floor used in the early construction, and is the module or slab used in the engineering. Because it is the concrete prefabricated part produced and processed in the prefabrication yard and directly transported to the construction site for installation, it is called the prefabricated slab.
[0003] The prefabricated sandwich heat preservation composite floor at present basically adopts the bolt to be fixedly connected during the composition, but the bolt is prone to the situation of thread slipping or rusting, which will affect the stability of the composite floor connection, and the tightening and fixing need to be carried out one by one during the fixing, and the efficiency is low. UTILITY MODEL CONTENT
[0004] In order to solve the defects in the prior art, the utility model provides a prefabricated sandwich heat preservation composite floor structure.
[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:
[0006] The utility model discloses a prefabricated sandwich heat preservation composite floor structure, including first floor and second floor, be equipped with the heat preservation board between first floor and second floor, the top of first floor is prefabricated with annular first positioning recess, the bottom of heat preservation board is equipped with the heat preservation positioning convex plate matched with first positioning recess, the top of heat preservation positioning convex plate is equipped with second positioning recess, the bottom of second floor is equipped with the prefabricated compression floor matched with second positioning recess and heat preservation positioning convex plate is pressed into first positioning recess inside.
[0007] As a preferred technical scheme of the utility model, the relative surface middle part of first floor and second floor is equipped with the link prefabricated groove, and the middle part of both sides of heat preservation board is equipped with the heat preservation convex plate matched with the link prefabricated groove.
[0008] As a preferred technical scheme of the utility model, the link prefabricated groove and heat preservation convex plate are all equipped with cross shape.
[0009] As a preferred technical scheme of the utility model, the corner of first floor and second floor is connected through the connecting piece.
[0010] As a preferred technical scheme of the utility model, the connecting piece includes the prefabricated connection groove in L shape arranged at the corner of first floor, and the corner of second floor is equipped with the prefabricated connection strip plate matched with the prefabricated connection groove.
[0011] As a preferred technical scheme of the utility model, the corner of the heat preservation plate is provided with a heat preservation pressing sleeve plate matched with the prefabricated connecting groove.
[0012] As a preferred technical scheme of the utility model, a spring bolt is prefabricated and embedded on an outer wall of the prefabricated connecting strip plate, a limiting pipe is prefabricated and embedded on the side of the first floor and is in communication with the prefabricated connecting groove and is matched with the pin rod of the spring bolt for plug-in connection, and a through hole corresponding to the limiting pipe is formed on the heat preservation pressing sleeve plate.
[0013] The utility model has the advantages of:
[0014] 1. The prefabricated sandwich heat preservation composite floor structure, through the heat preservation plate between the first floor and the second floor, can play a good heat preservation effect, the heat preservation positioning convex plate of the heat preservation plate is arranged in the first positioning groove of the first floor, and then the prefabricated pressing floor on the second floor is pressed into the second positioning groove of the heat preservation plate, so that the connection stability of the first floor, the second floor and the heat preservation plate is higher, and the heat preservation performance is better.
[0015] 2. The prefabricated sandwich heat preservation composite floor structure, when the heat preservation plate is arranged between the first floor and the second floor, the prefabricated connecting strip plate on the second floor presses the heat preservation pressing sleeve plate on the heat preservation plate into the prefabricated connecting groove on the first floor, under the elastic force of the spring bolt, the pin rod of the spring bolt is matched with the limiting pipe, so that the connection of the first floor, the heat preservation plate and the second floor can be completed, the first floor, the heat preservation plate and the second floor are connected, the stability after connection is higher, and the heat preservation effect is not affected, the situation that bolts need to be screwed and fixed one by one is avoided, and the fixing efficiency is improved. DRAWINGS
[0016] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model and do not constitute the limitation to the utility model.
[0017] Figure 1 It is a structure schematic view of the prefabricated sandwich heat preservation composite floor structure of the utility model;
[0018] Figure 2 It is an explosion view of the first floor and the heat preservation plate of the prefabricated sandwich heat preservation composite floor structure of the utility model;
[0019] Figure 3 It is a heat preservation plate bottom view structure schematic view of the prefabricated sandwich heat preservation composite floor structure of the utility model;
[0020] Figure 4 It is a second floor bottom view structure schematic view of the prefabricated sandwich heat preservation composite floor structure of the utility model.
[0021] In the figure: 1, the first floor; 2, the second floor; 3, the insulation board; 4, the first positioning groove; 5, the insulation positioning convex plate; 6, the second positioning groove; 7, the prefabricated compression floor; 8, the connecting prefabricated groove; 9, the insulation convex plate; 10, the connecting piece; 11, the prefabricated connecting groove; 12, the prefabricated connecting strip; 13, the spring bolt; 14, the limiting tube. DETAILED DESCRIPTION
[0022] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.
[0023] Embodiment: as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 indicated, the utility model discloses a prefabricated sandwich insulation composite floor structure, including first floor 1 and second floor 2, be equipped with insulation board 3 between first floor 1 and second floor 2, the top end of first floor 1 is prefabricated with annular first positioning groove 4, the bottom end of insulation board 3 is equipped with the insulation positioning convex plate 5 matched with first positioning groove 4, the top end of insulation positioning convex plate 5 is equipped with second positioning groove 6, and the bottom end of second floor 2 is equipped with the prefabricated compression floor 7 matched with second positioning groove 6 and the insulation positioning convex plate 5 is pressed into first positioning groove 4 inside, by being equipped with insulation board 3 between first floor 1 and second floor 2, can play good heat preservation effect, the insulation positioning convex plate 5 of insulation board 3 is placed in the first positioning groove 4 of first floor 1, then the prefabricated compression floor 7 on second floor 2 is pressed into the second positioning groove 6 of insulation board 3, so that the connection stability of first floor 1, second floor 2 and insulation board 3 is higher, and the heat preservation performance is better.
[0024] Among them, the relative face middle part of first floor 1 and second floor 2 is equipped with the connecting prefabricated groove 8, and the middle part of both sides of insulation board 3 is equipped with the insulation convex plate 9 matched with the connecting prefabricated groove 8, the connecting prefabricated groove 8 and insulation convex plate 9 are all equipped with cross shape.
[0025] The corner of the first floor slab 1 and the second floor slab 2 is connected through the connecting piece 10, the connecting piece 10 comprises the prefabricated connecting groove 11 arranged at the corner of the first floor slab 1 in the shape of L, the corner of the second floor slab 2 is provided with the prefabricated connecting strip plate 12 matched with the prefabricated connecting groove 11, the corner of the thermal insulation plate 3 is provided with the thermal insulation pressing sleeve plate 15 matched with the prefabricated connecting groove 11, the outer wall of the prefabricated connecting strip plate 12 is prefabricatedly embedded with the spring bolt 13, the side of the first floor slab 1 is prefabricatedly embedded with the limiting tube 14 communicated with the prefabricated connecting groove 11 and matched with the pin rod of the spring bolt 13, the limiting tube 14 is provided with the through hole corresponding to the limiting tube 14, when the thermal insulation plate 3 is arranged between the first floor slab 1 and the second floor slab 2, the prefabricated connecting strip plate 12 on the second floor slab 2 presses the thermal insulation pressing sleeve plate on the thermal insulation plate 3 into the prefabricated connecting groove 11 on the first floor slab 1, under the elastic force of the spring bolt 13, the pin rod of the spring bolt 13 is matched with the limiting tube 14, so that the connection of the first floor slab 1, the thermal insulation plate 3 and the second floor slab 2 is completed, the first floor slab 1, the thermal insulation plate 3 and the second floor slab 2 are conveniently connected, the stability after connection is higher, the effect of thermal insulation is not affected, the situation that bolts need to be screwed one by one is avoided, and the fixing efficiency is improved.
[0026] When working, the prefabricated sandwich thermal insulation composite floor slab structure has the thermal insulation plate 3 arranged between the first floor slab 1 and the second floor slab 2, so that the good thermal insulation effect is achieved, the thermal insulation positioning convex plate 5 of the thermal insulation plate 3 is arranged in the first positioning groove 4 of the first floor slab 1, the prefabricated pressing floor slab 7 on the second floor slab 2 is pressed into the second positioning groove 6 of the thermal insulation plate 3, so that the connection stability of the first floor slab 1, the second floor slab 2 and the thermal insulation plate 3 is higher, and the thermal insulation performance is better, when the thermal insulation plate 3 is arranged between the first floor slab 1 and the second floor slab 2, the prefabricated connecting strip plate 12 on the second floor slab 2 presses the thermal insulation pressing sleeve plate on the thermal insulation plate 3 into the prefabricated connecting groove 11 on the first floor slab 1, under the elastic force of the spring bolt 13, the pin rod of the spring bolt 13 is matched with the limiting tube 14, so that the connection of the first floor slab 1, the thermal insulation plate 3 and the second floor slab 2 is completed, the first floor slab 1, the thermal insulation plate 3 and the second floor slab 2 are conveniently connected, the stability after connection is higher, the effect of thermal insulation is not affected, the situation that bolts need to be screwed one by one is avoided, and the fixing efficiency is improved.
[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.
Claims
1. A precast sandwich thermal composite floor slab structure, characterized by, The utility model provides a prefabricated building floor, which comprises a first floor (1) and a second floor (2), and a heat insulation plate (3) is arranged between the first floor (1) and the second floor (2); a first positioning groove (4) in the shape of a ring is prefabricated at the top end of the first floor (1); a heat insulation positioning convex plate (5) matched with the first positioning groove (4) is arranged at the bottom end of the heat insulation plate (3); a second positioning groove (6) is arranged at the top end of the heat insulation positioning convex plate (5); and a prefabricated compression floor (7) matched with the second positioning groove (6) and compressing the heat insulation positioning convex plate (5) into the first positioning groove (4) is arranged at the bottom end of the second floor (2).
2. A precast sandwich thermal composite floor slab structure according to claim 1, characterized in that The middle part of the opposite surface of the first floor (1) and the second floor (2) is provided with a connecting prefabricated groove (8), and the middle part of the two surfaces of the heat insulation plate (3) is provided with a heat insulation convex plate (9) matched with the connecting prefabricated groove (8).
3. A pre-fabricated sandwich thermal insulation composite floor structure according to claim 2, characterized in that, The connecting prefabricated groove (8) and the heat insulation convex plate (9) are both in the shape of a cross.
4. A precast sandwich thermal composite floor slab structure as claimed in claim 1, wherein, The corners of the first floor (1) and the second floor (2) are connected through a connecting piece (10).
5. A pre-fabricated sandwich thermal insulation composite floor structure according to claim 4, wherein, The connecting piece (10) comprises an L-shaped prefabricated connecting groove (11) arranged at the corner of the first floor (1), and a prefabricated connecting strip plate (12) matched with the prefabricated connecting groove (11) is arranged at the corner of the second floor (2).
6. A pre-fabricated sandwich thermal insulation composite floor structure according to claim 5, wherein, A heat insulation compression sleeve plate (15) matched with the prefabricated connecting groove (11) is arranged at the corner of the heat insulation plate (3).
7. A pre-fabricated sandwich thermal insulation composite floor structure as claimed in claim 5, wherein, A spring bolt (13) is prefabricated and embedded in an outer wall of the prefabricated connecting strip plate (12); a limiting tube (14) matched with the prefabricated connecting groove (11) and matched with the pin rod of the spring bolt (13) is prefabricated and embedded in the side of the first floor (1); and a through hole corresponding to the limiting tube (14) is formed in the heat insulation compression sleeve plate (15).