Prefabricated part
Through the clamping structure and connecting rib design of the upper and lower plates, the problem of damage to the prefabricated floor slabs during transportation is solved, and the components are easily disassembled and reassembled, which improves construction efficiency and connection strength.
Patent Information
- Application Number
- CN202422363585.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-27
AI Technical Summary
During transportation, existing prefabricated floor slabs are prone to cracks or damage due to external forces, resulting in failure to use normally, with a high loss rate and affecting the construction progress.
The upper and lower plate designs are adopted. Through the clamping structure of the fastening sub-parts and the fastening mother parts, combined with the cooperation of the connecting ribs and the fastening parts, the removable connection between the upper and lower plates is achieved, and fixed by expansion screws to enhance the connection strength.
Even if some components are damaged, they can continue to be used by replacing the damaged parts, which improves the convenience and practicality of prefabricated components, enhances the connection strength of adjacent components, and reduces additional pouring work during construction.
Smart Images

Figure CN223088725U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of precast components, and more specifically, it relates to a precast component. Background Technique
[0002] Precast concrete components are a modern multi-functional material, applicable to any type of building from private villas to affordable housing, commercial centers, industrial buildings or public places. Precast parts can be made into almost any shape and size. Basically, all structural entities of a building can be constructed with precast concrete.
[0003] Precast and semi-precast floor slabs belong to a type of precast component, generally with a thickness of 10 cm or 12 cm. They mainly bear the live load of the floor where they are located and do not play a role in bearing the force of the whole building. The solid floor slab is a type of precast floor slab, which has the characteristics of quick installation and no need for on-site pouring. Reinforcing bars are usually added inside it. However, the solid floor slab is usually cast integrally. If cracks or damage occur to the slab body due to external force during transportation, it cannot be used normally, and its loss rate is relatively high, affecting the normal use during construction.
[0004] Therefore, a new solution needs to be proposed to solve this problem. Content of the Utility Model
[0005] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a precast component to improve the convenience and practicality of precast floor slabs.
[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a precast component, including a component body, the component body is divided into an upper plate and a lower plate, upper connecting plates and lower connecting plates are respectively arranged on two opposite side walls of the lower plate, a connecting rib is fixedly connected to one side wall of the upper plate, a plurality of fastening sub-components are slidably connected to the connecting rib, a receiving groove is formed on the end face of the upper connecting plate close to the upper plate, a plurality of fastening mother-components are fixedly connected in the receiving groove, when the upper plate and the lower plate are attached, the fastening sub-components extend into the receiving groove and are clamped with the fastening mother-components.
[0007] The utility model is further arranged as follows: a fastening member is arranged on the side wall of the upper plate with the connecting rib, a fixing groove is formed on the end face of the fastening member close to the lower plate, a plurality of fixing members are fixedly connected to the bottom of the fixing groove, when the fastening sub-components and the fastening mother-components are clamped with each other, the fixing members abut against the fastening sub-components and extend into the receiving groove.
[0008] The utility model is further arranged as follows: the cross-sectional shapes of the fastening sub-components and the fastening mother-components are both L-shaped, and the horizontal turning angle between the fastening sub-components and the fastening mother-components is 180 degrees.
[0009] The present utility model is further configured such that the number of the fastening sub-parts and the fastening mother-parts is the same, and the number of the fastening sub-parts and the fastening mother-parts is a multiple of two and greater than four.
[0010] The present utility model is further configured such that the connecting rib includes an outer connecting rib and an inner connecting rib. The outer connecting rib is fixedly connected to the side wall of the upper plate. The cross-section of the outer connecting rib is U-shaped. The cross-section of the inner connecting rib is linear. The fastening sub-part is slidably connected to the inner connecting rib. The cross-section of the fixing part is U-shaped. When the fixing part extends into the receiving groove, the fixing part passes through the inner connecting rib and abuts against a part of the outer peripheral wall of the inner connecting rib.
[0011] The present utility model is further configured such that a plurality of first fixing holes are formed in the end surface of the lower connecting plate, and a plurality of second fixing holes penetrating through both the fastening member and the upper connecting plate are formed. The diameters of the first fixing holes and the second fixing holes are the same.
[0012] The present utility model is further configured such that a plurality of reinforcing ribs are provided between the upper plate and the lower plate.
[0013] In summary, the present utility model has the following beneficial effects: When the upper plate and the lower plate are fitted together, the fastening sub-part extends into the receiving groove and is clamped with the fastening mother-part. The component body formed by assembling the upper plate and the lower plate can still be used normally as long as the damaged part is replaced and reassembled even if part of the component body is damaged, which enhances the practicability and convenience of the component body. Moreover, when a plurality of prefabricated components are fixedly connected to each other, the formation of the first fixing holes and the second fixing holes can improve the connection strength between adjacent prefabricated components. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a structural schematic diagram of the present utility model;
[0015] Figure 2 is an exploded Figure 1 ;
[0016] Figure 3 is an exploded Figure 2 ;
[0017] Figure 4 is a cross-sectional view of the present utility model;
[0018] Figure 5 is a structural schematic diagram when two component bodies are connected to each other.
[0019] In the figure: 1. Upper plate; 102. Outer connecting rib; 103. Inner connecting rib; 104. Fastening sub-component; 2. Lower plate; 201. Lower connecting plate; 202. Upper connecting plate; 203. First fixing hole; 204. Second fixing hole; 205. Accommodating groove; 206. Fastening mother-component; 3. Fastening component; 301. Fixing component; 4. Reinforcing rib. Specific implementation manner
[0020] The present utility model will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0021] A prefabricated component, as Figures 1-4 shown, includes a component body, which is divided into an upper plate 1 and a lower plate 2. Upper connecting plates 202 and lower connecting plates 201 are respectively arranged on two opposite side walls of the lower plate 2. A connecting rib is fixedly connected to one side wall of the upper plate 1, and a plurality of fastening sub-components 104 are slidably connected to the connecting rib. An accommodating groove 205 is formed in the end surface of the upper connecting plate 202 close to the upper plate 1, and a plurality of fastening mother-components 206 are fixedly connected in the accommodating groove 205. When the upper plate 1 and the lower plate 2 are attached, the fastening sub-components 104 extend into the accommodating groove 205 and are clamped with the fastening mother-components 206. The component body formed by assembling the upper plate 1 and the lower plate 2 can be normally used as long as the damaged part is replaced and reassembled even if part of the component body is damaged, enhancing the practicability and convenience of the component body.
[0022] As Figures 1-5As shown, when the two component bodies are combined, the upper connecting plate 202 and the lower connecting plate 201 on the lower plate 2 abut against each other, which enhances the connection strength between the two component bodies and reduces the generation of gaps. There is no need to additionally pour cement to connect adjacent component bodies. The connecting ribs include an outer connecting rib 102 and an inner connecting rib 103. The cross-section of the outer connecting rib 102 is U-shaped, and both ends of the outer connecting rib 102 are fixedly connected to the side wall of the upper plate 1. Preferably, the outer connecting rib 102 is added to the mold when pouring the upper plate 1 with cement, and the outer connecting rib 102 can be used to enhance the structural strength of the upper plate 1. The cross-section of the inner connecting rib 103 is in the shape of a straight line, and both ends of the inner connecting rib 103 are fixedly connected to two parallel rib bodies of the outer connecting rib 102. The inner connecting rib 103 is used to limit the displacement direction of the fastening sub-piece 104. A plurality of fastening sub-pieces 104 are slidably connected to the inner connecting rib 103. A fixing groove is formed on the end face of the upper connecting plate 202 close to the upper plate 1, and the fastening mother-piece 206 is fixedly connected in the fixing groove. The cross-sectional shapes and sizes of the fastening sub-piece 104 and the fastening mother-piece 206 are the same, and their cross-sections are both L-shaped. The horizontal turning angle between the fastening sub-piece 104 and the fastening mother-piece 206 is 180 degrees. When the upper plate 1 and the lower plate 2 abut against each other, the fastening sub-piece 104 extends into the fixing groove, and by sliding the fastening sub-piece 104, the fastening sub-piece 104 and the fastening mother-piece 206 are mutually clamped, realizing the fixation of the upper plate 1 and the lower plate 2. Preferably, the number of the fastening sub-pieces 104 and the fastening mother-pieces 206 is the same, and the number of the fastening sub-pieces 104 and the fastening mother-pieces 206 is a multiple of two and greater than four. The setting of the number of the fastening sub-pieces 104 and the fastening mother-pieces 206 can improve the structural strength and connection reliability between the upper plate 1 and the lower plate 2.
[0023] As Figures 1-5 shown, a fastening member 3 is provided on the upper plate 1. A fixing groove is formed on the end face of the fastening member 3 close to the lower plate 2. The fixing groove is used to accommodate the connecting rib and the fastening sub-piece 104. A plurality of fixing members 301 are fixedly connected to the bottom of the fixing groove. The cross-sectional shape of the fixing member 301 is U-shaped. When the fastening sub-piece 104 and the fastening mother-piece 206 are mutually clamped and the fastening member 3 is buckled on the upper plate 1, one end of the U-shaped opening of the fixing member 301 in the fixing groove faces the accommodating groove 205. The fixing member 301 passes through the inner connecting rib 103, and part of the fixing member 301 extends into the accommodating groove 205 and abuts against the bottom of the accommodating groove 205. The two side end faces of the fixing member 301 abut against the side wall of the fastening sub-piece 104. The fixing member 301 plays a role in restricting the displacement of the fastening sub-piece 104, and at the same time enhances the connection strength and structural strength between the upper plate 1 and the lower plate 2.
[0024] As Figures 2-5As shown in the figure, a number of first fixing holes 203 are formed on the end face of the lower connecting plate 201. A number of second fixing holes 204 penetrating through both of them are formed on the fastening member 3 and the upper connecting plate 202. The aperture of the second fixing hole 204 is the same as that of the first fixing hole 203. When fixing adjacent two member bodies, the first fixing hole 203 and the second fixing hole 204 are penetrated, and an expansion screw is inserted into the penetrated first fixing hole 203 and second fixing hole 204. After the expansion screw expands, it fixedly connects the two adjacent member bodies to complete the installation. Preferably, a number of reinforcing ribs 4 are arranged between the upper plate 1 and the lower plate 2 to improve the overall structural strength and structural stability of the member body.
[0025] Working principle: When installing this kind of prefabricated member, a number of lower plates 2 can be laid at the position where installation is required first, and then the upper plate 1 is attached to the lower plate 2 and clamps the reinforcing rib 4 located between the upper plate 1 and the lower plate 2. During the process of attaching the upper plate 1 and the lower plate 2, the fastening sub-member 104 on the inner connecting rib 103 is slid to facilitate its insertion into the accommodation groove 205. After the fastening sub-member 104 extends into the accommodation groove 205, the fastening sub-member 104 is slid to be engaged with the fastening mother-member 206. Finally, the fastening member 3 is inserted into the upper plate 1. The side wall of the fixing member 301 on the fastening member 3 abuts against the side wall of the fastening sub-member 104 to fix the position of the fastening sub-member 104 and improve the connection strength between the upper plate 1 and the lower plate 2. The fastening member 3 wraps the connecting rib and the fastening sub-member 104. When connecting multiple prefabricated members, the fastening member 3 abuts against the side walls of the two upper plates 1. After fixing, the possibility of the upper plate 1 warping can be reduced, playing a role in fixing the adjacent upper plates 1. At this time, the first fixing hole 203 and the second fixing hole 204 are penetrated, and the fastening member 3, the upper plate 1 and the lower plate 2 are fixed by the expansion screw to complete the installation of the prefabricated member.
[0026] The above is only the preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements and refinements should also be regarded as the protection scope of the present invention.
Claims
1. A precast member, comprising a member body, characterized in that: The component body is divided into an upper plate (1) and a lower plate (2). Upper connecting plates (202) and lower connecting plates (201) are respectively arranged on two opposite side walls of the lower plate (2). A connecting rib is fixedly connected to one side wall of the upper plate (1), and a number of fastening sub-components (104) are slidably connected to the connecting rib. A receiving groove (205) is formed in the end face of the upper connecting plate (202) close to the upper plate (1), and a number of fastening mother-components (206) are fixedly connected in the receiving groove (205). When the upper plate (1) and the lower plate (2) are fitted together, the fastening sub-components (104) extend into the receiving groove (205) and are clamped with the fastening mother-components (206).
2. A prefabricated component according to claim 1, characterized in that: A fastening component (3) is arranged on the side wall of the upper plate (1) with the connecting rib. A fixing groove is formed in the end face of the fastening component (3) close to the lower plate (2), and a number of fixing components (301) are fixedly connected to the bottom of the fixing groove. When the fastening sub-components (104) and the fastening mother-components (206) are clamped with each other, the fixing components (301) abut against the fastening sub-components (104) and extend into the receiving groove (205).
3. A precast member according to claim 2, characterized in that: The cross-sectional shapes of the fastening sub-components (104) and the fastening mother-components (206) are both L-shaped, and the horizontal turning angle between the fastening sub-components (104) and the fastening mother-components (206) is 180 degrees.
4. A precast member according to claim 3, characterized in that: The numbers of the fastening sub-components (104) and the fastening mother-components (206) are the same, and the numbers of the fastening sub-components (104) and the fastening mother-components (206) are multiples of two and greater than four.
5. A precast member according to claim 2, wherein: The connecting rib includes an outer connecting rib (102) and an inner connecting rib (103). The outer connecting rib (102) is fixedly connected to the side wall of the upper plate (1), the cross-section of the outer connecting rib (102) is U-shaped, the cross-section of the inner connecting rib (103) is linear, the fastening sub-components (104) are slidably connected to the inner connecting rib (103), the cross-section of the fixing component (301) is U-shaped, and when the fixing component (301) extends into the receiving groove (205), the fixing component (301) passes through the inner connecting rib (103) and abuts against a part of the outer peripheral wall of the inner connecting rib (103).
6. A precast member according to claim 2, characterized in that: A number of first fixing holes (203) are formed in the end face of the lower connecting plate (201), and a number of second fixing holes (204) penetrating through both the fastening component (3) and the upper connecting plate (202) are formed in the fastening component (3) and the upper connecting plate (202), and the apertures of the first fixing holes (203) and the second fixing holes (204) are the same.
7. A precast member according to claim 1, characterized in that: A number of reinforcing ribs (4) are arranged between the upper plate (1) and the lower plate (2).