A connection structure for precast concrete components

Abstract

The utility model relates to the field of building materials, and specifically discloses a connection structure for precast concrete components, including a sleeve body, component one and component two, wherein the outer side of the sleeve body is fixedly connected with multiple groups of reinforcing components, and the reinforcing components include a rotating column, which is rotatably connected to the sleeve body, and a connecting plate is fixedly connected to one end of the rotating column; a threaded groove is provided above the sleeve body, and a steel bar one is fixedly connected below component one, and an opening is provided below the sleeve body, and the upper end of the steel bar two is inserted into the sleeve body through the opening. The utility model is designed with a reinforcing component that can be adjusted according to the horizontal direction and the vertical direction, so that the plane of the connecting plate is always perpendicular to the gravity direction or forms an angle, so that the closed sleeve is more tightly connected to the cement mortar on the outside. The rubber block is designed, and the rubber block is in close contact with the rotating column, thereby limiting the rotation of the rotating column, so that the reinforcing component remains stable during pouring.

Description

Technical Field

[0001] The utility model relates to the field of building materials, in particular to a connection structure for prefabricated concrete components. Background Art

[0002] Sleeve grouting, as a key process in prefabricated building construction, is used to connect vertical components (such as shear walls and frame columns) and horizontal components (such as frame beams).

[0003] In the existing sleeve grouting process, after connecting the components, cement mortar needs to be poured on the outside of the sleeve for coating. However, the connection performance between the existing grouting sleeve and the cement mortar after pouring is poor. Therefore, those skilled in the art provide a connection structure for precast concrete components to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a connection structure for precast concrete components, including a sleeve body, a component one and a component two, wherein the outer side of the sleeve body is fixedly connected with a plurality of reinforcing components, wherein the reinforcing components include a rotating column, the rotating column is rotatably connected with the sleeve body, and one end of the rotating column is fixedly connected with a connecting plate;

[0005] A threaded groove is provided above the sleeve body, a steel bar one is fixedly connected to the bottom of component one, a lower end of the steel bar is inserted into the threaded groove and is threadedly connected to the threaded groove, an opening is provided below the sleeve body, a steel bar two is fixedly connected to the upper end of component two, and the upper end of the steel bar two is inserted into the sleeve body through the opening.

[0006] Preferably: a grouting port is provided at the lower end of the sleeve body, and a grouting port is provided at the upper end of the sleeve body, and the grouting port is located below the thread groove.

[0007] Preferably, a plurality of grooves are provided inside the sleeve body, and a sealing ring is provided inside one end of the sleeve body close to the grouting port.

[0008] Preferably, a cam is fixedly connected to the outer side of the rotating column, and a connecting rod is connected between the cams.

[0009] Preferably, rubber blocks are slidably connected on both sides of the thread groove inside the sleeve body, one end of the rubber block is inserted into the thread groove, and one end of the rotating column is inserted into the sleeve body and is in close contact with the rubber block.

[0010] Preferably, the connecting plate is provided with a concave surface or a through hole is provided on the connecting plate.

[0011] Preferably, a spiral pattern is provided on the outer side of the sleeve body.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model is designed with a reinforcement component that can be adjusted according to the horizontal direction and the vertical direction, so that the plane of the connecting plate is always perpendicular to the direction of gravity or forms an angle, so that the closed sleeve is more tightly connected to the cement mortar on the outside.

[0014] 2. The utility model is designed with a rubber block, which is in close contact with the rotating column, thereby limiting the rotation of the rotating column, so that the reinforcement component remains stable during pouring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram provided by this application;

[0016] Figure 2 It is a schematic diagram of the structure of the sleeve provided by the present application when in use;

[0017] Figure 3 It is a schematic diagram of the structure of the thread groove provided by the present application;

[0018] In the figure:

[0019] 1. Sleeve body; 2. Grouting port; 3. Discharge port; 4. Reinforcement assembly; 41. Rotating column; 42. Connecting plate; 43. Cam; 44. Connecting rod; 5. Threaded groove; 51. Rubber block; 6. Component 1; 61. Steel bar 1; 7. Component 2; 71. Steel bar 2; 8. Groove. DETAILED DESCRIPTION

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] In the description of the present invention, "plurality" means two or more than two, unless otherwise clearly and specifically defined.

[0022] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] See also Figures 1 to 3 In this embodiment, a connection structure for precast concrete components is provided, including a sleeve body 1, a component 1 6 and a component 2 7, wherein a plurality of reinforcing components 4 are fixedly connected to the outer side of the sleeve body 1, and the reinforcing components 4 include a rotating column 41, the rotating column 41 is rotatably connected to the sleeve body 1, and a connecting plate 42 is fixedly connected to one end of the rotating column 41;

[0024] A thread groove 5 is provided on the top of the sleeve body 1, a steel bar 61 is fixedly connected to the bottom of the component 6, the lower end of the steel bar 61 is inserted into the thread groove 5 and is threadedly connected to the thread groove 5, an opening is provided at the bottom of the sleeve body 1, a steel bar 71 is fixedly connected to the upper end of the component 7, and the upper end of the steel bar 71 is inserted into the sleeve body 1 through the opening.

[0025] When in use, grouting material is introduced into the sleeve body 1, and the hardened grouting material respectively produces a gripping effect with the steel bar 71 and the sleeve body 1, so that the components are firmly connected. When cement is poured on the outside of the sleeve body 1, multiple branches are formed through the reinforcement component 4, thereby achieving a firm connection between the sleeve body 1 and the mortar.

[0026] In further embodiments, see Figure 1 The sleeve body 1 has a grouting port 2 at the lower end and a grouting port 3 at the upper end, and the grouting port 3 is located below the thread groove 5. The grouting port 2 is a material inlet for grouting. The grouting port 3 is a material outlet for ventilating when grouting and for overflowing excess grouting after filling.

[0027] In further embodiments, see Figure 2 The sleeve body 1 is provided with a plurality of grooves 8, and a sealing ring is provided inside the sleeve body 1 at one end close to the grouting port 2. The sealing ring prevents the mortar from flowing out, and the grooves 8 increase the force between the mortar and the sleeve body 1 after hardening.

[0028] In further embodiments, see Figure 1 , 3The outer side of the rotating column 41 is fixedly connected with a cam 43, and a connecting rod 44 is connected between the cams 43. By rotating a single cam 43, the cam 43 is rotated through the connecting rod 44 to drive other cams to rotate together, so that multiple connecting plates 42 can be adjusted together.

[0029] In further embodiments, see Figure 3 The sleeve body 1 has rubber blocks 51 slidably connected on both sides of the thread groove 5. One end of the rubber block 51 is inserted into the thread groove 5. One end of the rotating column 41 is inserted into the sleeve body 1 and is in close contact with the rubber block 51. The steel bar 61 is screwed into the thread groove 5 to squeeze the rubber block 51 out of the thread groove 5, so that the rubber block 51 is in close contact with the rotating column 41 on one side, thereby preventing the rotating column 41 from rotating, so that during pouring, the connecting plate 42 remains in a stable state without changing.

[0030] In further embodiments, see Figure 3 The connecting plate 42 is provided with a concave surface or a through hole is provided on the connecting plate 42 to enhance the connection function of the connecting plate 42 and the mortar poured outside the sleeve body 1.

[0031] In a further embodiment, a spiral pattern is provided on the outer side of the sleeve body 1, and the connection between the sleeve body 1 and the outer mortar is increased by the spiral pattern.

[0032] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A connection structure for precast concrete components, comprising a sleeve body (1), a component 1 (6) and a component 2 (7), characterized in that: A plurality of reinforcing components (4) are fixedly connected to the outer side of the sleeve body (1), and the reinforcing components (4) include a rotating column (41), the rotating column (41) is rotatably connected to the sleeve body (1), and one end of the rotating column (41) is fixedly connected to a connecting plate (42); The sleeve body (1) is provided with a thread groove (5) on the top, and a steel bar (61) is fixedly connected to the bottom of the component (6). The lower end of the steel bar (61) is inserted into the thread groove (5) and is threadedly connected to the thread groove (5). An opening is provided at the bottom of the sleeve body (1), and a steel bar (71) is fixedly connected to the upper end of the component (7). The upper end of the steel bar (71) is inserted into the sleeve body (1) through the opening.

2. A connection structure for precast concrete components according to claim 1, characterized in that: The lower end of the sleeve body (1) is provided with a grouting port (2), and the upper end of the sleeve body (1) is provided with a grouting port (3), and the grouting port (3) is located below the thread groove (5).

3. A connection structure for precast concrete components according to claim 2, characterized in that: A plurality of grooves (8) are provided inside the sleeve body (1), and a sealing ring is provided inside one end of the sleeve body (1) close to the grouting port (2).

4. A connection structure for precast concrete components according to claim 1, characterized in that: A cam (43) is fixedly connected to the outer side of the rotating column (41), and a connecting rod (44) is connected between the cams (43).

5. A connection structure for precast concrete components according to claim 4, characterized in that: Rubber blocks (51) are slidably connected to the sleeve body (1) on both sides of the thread groove (5), one end of the rubber block (51) is inserted into the thread groove (5), and one end of the rotating column (41) is inserted into the sleeve body (1) and is in close contact with the rubber block (51).

6. A connection structure for precast concrete components according to claim 1, characterized in that: The connecting plate (42) is provided with a concave surface or the connecting plate (42) is provided with a through hole.

7. A connection structure for precast concrete components according to claim 1, characterized in that: The outer side of the sleeve body (1) is provided with a spiral pattern.

Images