Ultralow-energy-consumption heat-preservation sandwich prefabricated part
By using the hook connection method between the limiting ribs and the tie members, the problem of low connection strength of precast slabs is solved, the connection strength is enhanced, the construction process is simplified, the thermal bridge effect is reduced, and the insulation effect is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-27
AI Technical Summary
The existing precast panels have low connection strength, which affects the structural integrity of the wall and makes the construction process complicated.
The limiting ribs are hooked to the tie members that penetrate the insulation layer. The hook end of the limiting rib and the tie member form a hook engagement, and the on-site welding process is reduced by the pre-embedded design of the limiting ribs.
It significantly enhances the connection strength between precast slabs and tie members, simplifies the construction process, improves assembly efficiency, reduces thermal bridging effects, and ensures insulation performance.
Smart Images

Figure CN224048501U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to building technical field, concretely relates to a kind of super low energy consumption thermal insulation sandwich prefabricated component. BACKGROUND
[0002] Super low energy consumption building refers to the energy consumption of building is controlled at a very low level through thermal insulation, air tightness and ventilation heat recovery three technical measures, and comfortable indoor environment is provided with less energy consumption by making full use of renewable energy.
[0003] And assembled super low energy consumption building is one of the main directions of building development in our country in recent years, components and accessories for building, such as floor, wallboard, etc.
[0004] In order to ensure the thermal insulation effect of building, wallboard is generally thermal insulation sandwich panel, which is composed of prefabricated panels on both sides and thermal insulation layer clamped in the middle, and the three are fixedly connected by tie members. However, the connection strength between the prefabricated panels at present is low, which affects the structural integrity of wall. UTILITY MODEL CONTENTS
[0005] In order to solve the problems existing in the prior art, the utility model provides a kind of super low energy consumption thermal insulation sandwich prefabricated component, which is connected by hooking with the tie member penetrating the thermal insulation layer, the hooking end of the limiting rib is hooked with the tie member, the connection strength of the prefabricated panel and the tie member is significantly enhanced, and the pre-buried design of the limiting rib reduces the on-site welding process, the hooking connection mode simplifies the construction process, and improves the assembly efficiency.
[0006] The specific technical scheme adopted by the utility model is:
[0007] A kind of super low energy consumption thermal insulation sandwich prefabricated component, including two sides of prefabricated panel and the thermal insulation layer clamped between two sides of prefabricated panel, the tie member is also provided between the two sides of prefabricated panel and penetrates the thermal insulation layer along horizontal direction, the limiting rib is arranged on the side of prefabricated panel close to thermal insulation layer, the fixed end of limiting rib is pre-buried in prefabricated panel and is fixedly connected with prefabricated panel, the hooking end of limiting rib on two sides of prefabricated panel is respectively hooked with the both ends of tie member.
[0008] The limiting rib is L-shaped structure, one end of limiting rib is annular structure and is formed as the hooking end of limiting rib, the hooking end of limiting rib is sleeved to the rod portion of tie member and is formed as hooking connection, the other end of limiting rib is straight rod and is formed as the fixed end of limiting rib, the fixed end of limiting rib is perpendicular to the plane where the hooking end of limiting rib is located.
[0009] The tie member comprises a tie screw and a fastening sheet, the tie screw is formed as a rod part of the tie member, the hooking end of the limiting rib is sleeved on the tie screw and is attached to the surface of the thermal insulation layer, and the fastening sheet is threadedly connected with the tie screw and the fastening sheet and the thermal insulation layer jointly hold the hooking end of the limiting rib to form fixation.
[0010] The tie screw comprises threaded parts at two ends and a limiting part in the middle, the threaded part of the tie screw is provided with threads matched with the fastening sheet, the limiting part is provided with limiting hooks in the form of barbs, a plurality of groups of the limiting hooks are arranged along the length direction of the tie screw, the limiting hooks are engaged with the thermal insulation layer and hinder the retreat of the tie screw in the thermal insulation layer.
[0011] The tie member further comprises a limiting sheet, the limiting sheet is arranged on the side of the limiting part close to the limiting hook, the limiting sheet is sleeved on the threaded part of the tie screw on this side and is threadedly connected, and the end of the tie screw away from the limiting sheet penetrates the thermal insulation layer.
[0012] The hooking of the limiting rib is in the form of a fork, the hooking end of the limiting rib forks to the rod part of the tie member and is formed as hooking connection.
[0013] The fixing end of the limiting rib is fixedly connected with the steel mesh frame embedded in the prefabricated slab.
[0014] The prefabricated slab has the advantages that:
[0015] The limiting rib is embedded in the prefabricated slab, the limiting rib is hookingly connected with the tie member penetrating the thermal insulation layer, the hooking end of the limiting rib is hookingly matched with the tie member, the connecting strength of the prefabricated slab and the tie member is remarkably enhanced, the embedding design of the limiting rib reduces the on-site welding process, the hooking connection mode simplifies the construction process and improves the assembly efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the utility model;
[0017] Figure 2 It is a structural schematic view of the tie member;
[0018] Figure 3 It is a structural schematic view of the annular limiting rib in embodiment 1;
[0019] Figure 4 It is a structural schematic view of the fork-shaped limiting rib in embodiment 2;
[0020] In the drawing, 1, prefabricated plate, 2, thermal insulation layer, 3, limiting rib, 4, tie screw, 5, fastening piece, 6, limiting hook, 7, limiting piece, 8, steel mesh frame. DETAILED DESCRIPTION
[0021] The utility model will be further described below in combination with the drawings and specific embodiments:
[0022] Specific embodiment 1, as Figures 1-3 Indicated, the utility model provides a kind of super-low energy consumption thermal insulation sandwich prefabricated component, including the prefabricated plate 1 of both sides and the thermal insulation layer 2 clamped between both sides prefabricated plate 1, still be provided with along the horizontal direction through the thermal insulation layer 2 of tie-up piece between the prefabricated plate 1 of both sides, the limiting rib 3 is arranged on the side of prefabricated plate 1 close to thermal insulation layer 2, the fixed end of limiting rib 3 is embedded in prefabricated plate 1 and is fixedly connected with prefabricated plate 1, and the hooking end of limiting rib 3 on the prefabricated plate 1 of both sides is respectively hooked with the both ends of tie-up piece.
[0023] To guarantee the thermal insulation effect of building, wallboard is generally thermal insulation sandwich panel, and the thermal insulation sandwich panel is composed of the prefabricated plate 1 of both sides and the thermal insulation layer 2 clamped in the middle, and the three are fixedly connected by means of tie-up piece. However, the connecting strength between the prefabricated plate 1 of the present is low, which affects the structural integrity of wall.
[0024] Therefore, the utility model embeds limiting rib 3 in prefabricated plate 1, hooks and connects limiting rib 3 and tie-up piece penetrating thermal insulation layer 2, the hooking end of limiting rib 3 is hooked with tie-up piece, which significantly enhances the connecting strength of prefabricated plate 1 and tie-up piece, and the embedded design of limiting rib 3 reduces the on-site welding process, the hooking and connecting mode simplifies the construction process and improves the assembly efficiency. In addition, since the tie-up piece is made of plastic material, the connection of tie-up piece and limiting rib 3 on both sides can reduce the thermal bridge effect and ensure the thermal insulation effect.
[0025] As Figure 1 And Figure 3 Indicated, the limiting rib 3 is in L-shaped structure, one end of limiting rib 3 is in annular structure and forms the hooking end of limiting rib 3, the hooking end of limiting rib 3 is sleeved to the rod portion of tie-up piece and forms hooking connection, the other end of limiting rib 3 is in straight rod shape and forms the fixed end of limiting rib 3, and the fixed end of limiting rib 3 is perpendicular to the plane where the hooking end of limiting rib 3 is located. The hooking end of limiting piece in annular structure can be easily sleeved with tie-up screw 4 of tie-up piece, which reduces the construction difficulty; in addition, the L-shaped structure can also avoid the rotation of limiting rib 3 under stress, and improve the pullout resistance of tie-up piece.
[0026] As Figures 1-2As shown, the tie member includes a tie bolt 4 and a fastening piece 5, the tie bolt 4 is formed as a rod part of the tie member, the hooking end of the limiting rib 3 is sleeved on the tie bolt 4 and is attached to the surface of the thermal insulation layer 2, the fastening piece 5 is threadedly connected with the tie bolt 4 and the fastening piece 5 and the thermal insulation layer 2 jointly clamp the hooking end of the limiting rib 3 to form fixation. By clamping the hooking end of the limiting rib 3 with the surface of the thermal insulation layer 2, the bidirectional fastening of the tie member and the prefabricated slab 1 is realized, the displacement of the tie member can be effectively limited, the connection stability is ensured; the screw adjustment function facilitates the fine adjustment of the position of the tie member during construction, the assembly precision is improved. In addition, the tie bolt 4 is in a hollow sleeve structure, a thread is arranged on the outer surface, and a steel bar is inserted into the hollow channel on the inner side, so that the structural strength of the tie member itself is increased.
[0027] As shown in Figures 1-2 , the tie bolt 4 includes threaded parts at both ends and a limiting part in the middle, the threaded part of the tie bolt 4 is provided with a thread matched with the fastening piece 5, the limiting part is provided with a limiting hook 6 in a barb shape, a plurality of groups of the limiting hook 6 are arranged along the length direction of the tie bolt 4, the limiting hook 6 is hooked and matched with the thermal insulation layer 2 and hinders the retreat of the tie bolt 4 in the thermal insulation layer 2, the limiting hook 6 on the tie bolt 4 is engaged with the thermal insulation layer 2, which can hinder the retreat of the tie bolt 4 in the thermal insulation layer 2, and the anchoring force of the tie member and the thermal insulation layer 2 is enhanced, and the plurality of groups of the limiting hook 6 arranged at intervals can uniformly disperse the tie force, prevent the thermal insulation layer 2 from cracking or the tie member from failing due to local stress concentration, and ensure the structural durability.
[0028] As shown in Figures 1-2 , the tie member further includes a limiting piece 7, the limiting piece 7 is arranged on the side of the limiting hook 6 and the limiting part at an included angle, the limiting piece 7 is sleeved on the threaded part of the tie bolt 4 on this side and is threadedly connected, and the end of the tie bolt 4 away from the limiting piece 7 penetrates the thermal insulation layer 2, the limiting piece 7 hinders the advancement of the tie bolt 4 to the inside, and the limiting hook 6 hinders the retreat of the tie bolt 4 to the outside, the limiting piece 7 and the limiting hook 6 jointly cooperate to realize the bidirectional limiting of the tie bolt 4, and the connection stability of the tie member and the thermal insulation layer 2 is ensured.
[0029] As shown in Figure 1 , a steel bar rack 8 is embedded in the prefabricated slab 1, and the fixed end of the limiting rib 3 is fixedly connected with the steel bar rack 8. The steel bar rack 8 in the prefabricated slab 1 is connected with the fixed end of the limiting rib 3 to form an integrated reinforced structure, the steel bar rack 8 can improve the bending resistance and shear resistance of the prefabricated slab 1, and at the same time, the anchoring force of the limiting rib 3 is transmitted to the whole prefabricated slab 1, avoiding local stress concentration and enhancing the structural integrity and bearing capacity of the thermal insulation sandwich prefabricated component.
[0030] Specific embodiment 2, the difference between specific embodiment 2 and specific embodiment 1 is only that the hooking end of the limiting rib 3 is different, as shown in Figure 4As shown, the hook of the limiting rib 3 is in a fork structure, and the hook end of the limiting rib 3 forks to the rod part of the tie member and forms a hook connection. The hook end of the fork structure in the specific embodiment 2 is more convenient to continue hooking with the tie screw 4.
Claims
1. An ultra-low energy consumption thermal insulation sandwich prefabricated component, comprising two prefabricated plates (1) on both sides and a thermal insulation layer (2) sandwiched between the two prefabricated plates (1), and a tie member (3) passing through the thermal insulation layer (2) in a horizontal direction is further arranged between the two prefabricated plates (1), characterized in that, The precast slab (1) is provided with a limiting rib (3) on the side close to the heat preservation layer (2), the fixed end of the limiting rib (3) is embedded in the precast slab (1) and is fixedly connected with the precast slab (1), and the hooking ends of the limiting ribs (3) on the two precast slabs are respectively hookingly connected with the two ends of the tie member.
2. A super low energy consumption thermal insulation sandwich precast component according to claim 1, characterized in that, The limiting rib (3) is in L-shaped structure, one end of the limiting rib (3) is in annular structure and forms the hooking end of the limiting rib (3), the hooking end of the limiting rib (3) is sleeved on the rod part of the tie member and forms the hooking connection, the other end of the limiting rib (3) is in straight rod shape and forms the fixed end of the limiting rib (3), and the fixed end of the limiting rib (3) is perpendicular to the plane where the hooking end of the limiting rib (3) is located.
3. A super low energy consumption thermal insulation sandwich precast component according to claim 2, characterized in that, The tie member comprises a tie screw (4) and a fastening sheet (5), the tie screw (4) forms the rod part of the tie member, the hooking end of the limiting rib (3) is sleeved on the tie screw (4) and is attached to the surface of the heat preservation layer (2), and the fastening sheet (5) is threadedly connected with the tie screw (4) and clamps the hooking end of the limiting rib (3) together with the heat preservation layer (2) to form the fixation.
4. A super low energy thermal insulation sandwich precast component according to claim 3, characterized in that, The tie screw (4) comprises threaded parts at two ends and a limiting part in the middle, the threaded part of the tie screw (4) is provided with threads matched with the fastening sheet (5), the limiting part is provided with limiting hooks (6) in barb shape, a plurality of groups of the limiting hooks (6) are arranged along the length direction of the tie screw (4), and the limiting hooks (6) are engaged with the heat preservation layer (2) and hinder the retreat of the tie screw (4) in the heat preservation layer (2).
5. A super low energy thermal insulation sandwich precast component according to claim 4, characterized in that, The tie member further comprises a limiting sheet (7), the limiting sheet (7) is arranged on the side close to the included angle between the limiting hook (6) and the limiting part, the limiting sheet (7) is sleeved on the threaded part of the tie screw (4) on this side and forms the threaded connection, and the tie screw (4) penetrates the heat preservation layer (2) from the end part away from the limiting sheet (7).
6. A super low energy thermal insulated sandwich precast component according to claim 1, characterized in that, The hooking of the limiting rib (3) is in forked structure, the hooking end of the limiting rib (3) forks to the rod part of the tie member and forms the hooking connection.
7. A super low energy thermal insulated sandwich precast component according to claim 1, characterized in that, The precast slab (1) is embedded with a steel mesh frame (8), and the fixed end of the limiting rib (3) is fixedly connected with the steel mesh frame (8).