Column plate connecting assembly of precast concrete house

Abstract

The utility model relates to the technical field of building accessories, and provides a column-plate connecting assembly of a precast concrete house, which comprises a column end connecting piece, a plate connecting piece and a fastening piece, the column end connecting piece and the plate connecting piece are detachably connected through the fastening piece, the column end connecting piece comprises a coating shell and a first sleeve arranged in the coating shell, and the first sleeve is connected with the plate connecting piece through the fastening piece. The plate connecting piece comprises a bent plate and a second sleeve arranged on the bent plate, the second sleeve comprises a locking section and an expansion section, a plurality of open grooves parallel to the axial direction of the expansion section are formed in the circumference of the side wall of the expansion section, the outer diameter of the expansion section is smaller than the inner diameter of the first sleeve, and the expansion section is inserted into the first sleeve. The diameter of the connecting section is smaller than that of the opening section, the connecting section penetrates through the expansion section to be connected with the locking section, and the opening section is inserted into the expansion section so that the expansion section can abut against the inner wall of the first sleeve. By means of the technical scheme, the problem that in the prior art, a metal piece of a prefabricated slab deforms, and consequently connection hole positions correspond inaccurately is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of building accessories, in particular to a column-slab connecting component of a prefabricated concrete house. Background Art

[0002] With the development and application of prefabricated building technology, more and more buildings adopt prefabricated structures, which enables various prefabricated parts to be prefabricated in the factory in advance, facilitates assembly at the construction site, and greatly improves the efficiency of building construction.

[0003] The connectors of prefabricated panels are mostly made of metal parts, which are then used to connect the prefabricated panels together to form the main body of the house. However, after the concrete is prefabricated, the metal parts may deform to a certain extent. For example, the corresponding dimensions of the connection holes of the column connector and the panel connector may deviate, affecting the assembly efficiency and the supporting utilization rate of the prefabricated panels. Therefore, based on the above problems, a new connection component is urgently needed to solve the above problems. Utility Model Content

[0004] The utility model provides a column-slab connection assembly for a prefabricated concrete house, which solves the problem in the prior art that the metal parts of the prefabricated panels are deformed, resulting in inaccurate corresponding connection hole positions.

[0005] The technical solution of the utility model is as follows:

[0006] A column-plate connection assembly for a precast concrete house, the column-plate connection assembly comprising a column end connection piece, a plate connection piece and a fastener, the column end connection piece and the plate connection piece being detachably connected by means of the fastener, the column end connection piece comprising a covering shell and a first sleeve arranged in the covering shell, the plate connection piece comprising a bending plate and a second sleeve arranged in the bending plate, the second sleeve comprising a locking section and an expansion section, the side wall circumference of the expansion section is provided with a plurality of open grooves parallel to its axial direction, the outer diameter of the expansion section is smaller than the inner diameter of the first sleeve and the expansion section is inserted into the first sleeve, the fastener comprising a connecting section and an expansion section, the diameter of the connecting section is smaller than the diameter of the expansion section, the connecting section passes through the expansion section and is connected to the locking section, and the expansion section is inserted into the expansion section so that the expansion section abuts against the inner wall of the first sleeve.

[0007] The covering shell is provided with a positioning boss, the bending plate is provided with a positioning groove, the first sleeve is provided on the positioning boss, the second sleeve is provided on the positioning groove, and the positioning boss corresponds to the positioning groove.

[0008] The expansion section is conical, and the diameter of any cross section of the expansion section gradually increases in a direction away from the connecting section.

[0009] The covering shell has a containing cavity, and the containing cavity is a right-angle bent cavity.

[0010] The bending plate includes a vertical plate and a bottom plate, the vertical plate and the bottom plate are perpendicular to each other, the positioning groove is arranged on the vertical plate, and the covering shell is connected to the vertical plate.

[0011] The vertical plate is provided with a first bending step and a second bending step, the first bending step and the second bending step are both at right angles, and the covering shell abuts against the first bending step and the second bending step.

[0012] The plate connecting member also includes an embedded rod, which is provided in two pieces. The two embedded rods are perpendicular to each other and are both connected to the vertical plate.

[0013] The plate connecting member also includes an embedded support rod, which is perpendicular to the embedded rod. One end of the embedded support rod is connected to the embedded rod, and the other end is connected to the vertical plate.

[0014] The working principle and beneficial effects of the utility model are:

[0015] The utility model discloses a column-plate connection assembly for a prefabricated concrete house, which is divided into a column-end connection member, a plate connection member and a fastener connecting the two. In order to cope with the problem that the connection hole position is not accurately corresponding due to the deformation of the connection member caused by prefabrication, the bent plate of the plate connection member is used as the main body, and the second sleeve improved structure installed thereon is divided into a locking section and an expansion section. The expansion section is inserted into the first sleeve of the column-end connection member. In order to compensate for the dimensional deviation caused by the deformation, the outer diameter of the expansion section is smaller than the inner diameter of the first sleeve. Therefore, the dimensional deviation can be compensated when the column-end connection member and the plate connection member are deformed to a certain extent, so that the expansion section can still be inserted into the first sleeve even under the premise that the connection member is deformed, and then the fastener passes through the expansion section to connect with the locking section. The expansion section of the fastener expands the expansion section and abuts against the inner wall of the first sleeve to achieve locking. The above scheme can solve the problem of inaccurate corresponding connection hole position caused by deformation of metal parts of the prefabricated plate in the prior art, thereby improving assembly efficiency and assembly utilization rate of prefabricated parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a schematic diagram of the overall assembly structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the middle plate connecting piece of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the center column end connecting piece of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the fastener in the utility model;

[0021] In the figure: 1, column end connector, 2, plate connector, 3, fastener, 4, covering shell, 5, first sleeve, 6, bending plate, 7, second sleeve, 8, locking section, 9, expansion section, 10, opening groove, 11, connecting section, 12, expansion section, 13, positioning boss, 14, positioning groove, 15, accommodating cavity, 16, vertical plate, 17, bottom plate, 18, first bending step, 19, second bending step, 20, embedded rod, 21, embedded support rod. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1 to Figure 4 As shown, this embodiment proposes a column-plate connection assembly for a prefabricated concrete house, the column-plate connection assembly includes a column end connection member 1, a plate connection member 2 and a fastener 3, the column end connection member 1 and the plate connection member 2 are detachably connected by means of the fastener 3, the column end connection member 1 includes a covering shell 4 and a first sleeve 5 arranged in the covering shell 4, the plate connection member 2 includes a bending plate 6 and a second sleeve 7 arranged on the bending plate 6, the second sleeve 7 includes a locking section 8 and a tightening section 9, The side wall circumference of the expansion section 9 is provided with a plurality of open grooves 10 parallel to its axial direction. The outer diameter of the expansion section 9 is smaller than the inner diameter of the first sleeve 5 and the expansion section 9 is inserted into the first sleeve 5. The fastener 3 includes a connecting section 11 and an expansion section 12. The diameter of the connecting section 11 is smaller than the diameter of the expansion section 12. The connecting section 11 passes through the expansion section 9 and is connected to the locking section 8. The expansion section 12 is inserted into the expansion section 9 so that the expansion section 9 abuts against the inner wall of the first sleeve 5.

[0024] In the present embodiment, a column-plate connection assembly of a prefabricated concrete house is disclosed, which is divided into a column end connection member 1, a plate connection member 2 and a fastener 3 connecting the two. In order to cope with the problem of inaccurate corresponding connection hole positions due to deformation of the connection member caused by prefabrication, the bent plate 6 of the plate connection member 2 is used as the main body, and the second sleeve 7 installed thereon has an improved structure, which is divided into a locking section 8 and an expansion section 9. The inner wall of the locking section 8 can be designed with a threaded structure, and the side wall of the expansion section 9 is circumferentially provided with a plurality of open grooves 10 parallel to the axial direction. The expansion section 9 is inserted into the first sleeve 5 of the column end connection member 1, and the first sleeve is installed on the covering shell 4. In order to compensate for the dimensional deviation caused by the deformation The outer diameter of the expansion section 9 is smaller than the inner diameter of the first sleeve 5. Therefore, when the column end connector 1 and the plate connector 2 are deformed to a certain extent, the size deviation can be compensated, so that the expansion section 9 can still be inserted into the first sleeve even under the premise that the connector is deformed, and then the fastener 3 passes through the expansion section 9, so that the connecting section 11 is threadedly connected with the locking section 8. As the fastener 3 is gradually tightened, the expansion section 12 of the fastener 3 expands the expansion section 9 and abuts against the inner wall of the first sleeve 5 to achieve locking. The above scheme can solve the problem of inaccurate corresponding connection hole positions caused by deformation of metal parts of prefabricated panels in the prior art, thereby improving assembly efficiency and assembly utilization rate of prefabricated parts.

[0025] The covering shell 4 is provided with a positioning boss 13 , the bending plate 6 is provided with a positioning groove 14 , the first sleeve 5 is provided on the positioning boss 13 , the second sleeve 7 is provided on the positioning groove 14 , and the positioning boss 13 corresponds to the positioning groove 14 .

[0026] In this embodiment, a positioning boss 13 is provided on the covering shell 4 of the column end connector 1. The positioning boss 13 is a boss structure formed by drawing reinforcement on a metal plate. A corresponding positioning groove 14 is provided on the bending plate 6, which is a groove structure formed by drawing reinforcement on a metal plate. The first sleeve 5 is installed on the positioning boss 13, and the axial positioning boss 13 of the first sleeve 5 is vertical. The second sleeve 7 is installed on the positioning groove 14, and the axial positioning groove 14 of the second sleeve 7 is vertical. The positioning boss 13 corresponds to the positioning groove 14, which provides assistance for the position correspondence between the first sleeve 5 and the second sleeve 7.

[0027] The expansion section 12 is conical, and the diameter of any cross section of the expansion section 12 gradually increases in a direction away from the connecting section 11 .

[0028] In this embodiment, the expansion section 12 is a conical structure. The expansion section 12 forms a circular structure in any longitudinal section along the direction of the principle connecting section 11, and the diameter gradually increases, so that when the connecting section 11 is gradually locked, the expansion section 12 can expand the tightening section 9 to achieve connection.

[0029] The covering shell 4 has a receiving cavity 15 , and the receiving cavity 15 is a right-angle bent cavity.

[0030] In this embodiment, the covering shell 4 covers the end of the column, and the inside of the covering shell 4 is a receiving cavity 15. The receiving cavity 15 is a right-angle bent cavity, which can be understood as a cavity forming a right angle.

[0031] The bending plate 6 includes a vertical plate 16 and a bottom plate 17 . The vertical plate 16 and the bottom plate 17 are perpendicular to each other. The positioning groove 14 is disposed on the vertical plate 16 . The covering shell 4 is connected to the vertical plate 16 .

[0032] In this embodiment, the bending plate 6 is a combination of a vertical plate 16 and a bottom plate 17 . The vertical plate 16 and the bottom plate 17 are perpendicular to each other. The positioning groove 14 is provided on the vertical plate 16 to facilitate connection with the side wall of the covering shell 4 .

[0033] The vertical plate 16 is provided with a first bending step 18 and a second bending step 19 . The first bending step 18 and the second bending step 19 are both at right angles. The covering shell 4 abuts against the first bending step 18 and the second bending step 19 .

[0034] In this embodiment, two bent steps are provided on the vertical plate 16, namely a first bent step 18 and a second bent step 19. Both bent steps are right angles. The covering shell 4 is a right-angled L-shape, which matches the first bent step 18 and the second bent step 19 respectively to form a right-angle part at the bottom of the prefabricated panel wall.

[0035] The plate connecting member 2 further includes an embedded rod 20 , and the embedded rod 20 is provided in two numbers. The two embedded rods 20 are perpendicular to each other, and both of the two embedded rods 20 are connected to the vertical plate 16 .

[0036] The plate connecting member 2 further includes an embedded support rod 21 , which is perpendicular to the embedded rod 20 . One end of the embedded support rod 21 is connected to the embedded rod 20 , and the other end is connected to the vertical plate 16 .

[0037] In this embodiment, an embedded rod 20 is also installed on the vertical plate 16. There are two embedded rods 20, which are perpendicular to each other and are both connected to the vertical plate 16. The embedded rod 20 is pre-buried in the prefabricated plate to improve the connection tightness between the plate connecting member 2 and the prefabricated plate. In order to further improve the connection strength, an embedded support rod 21 is also provided. The embedded support rod 21 is used to connect the embedded rod 20 and the vertical plate 16 to assist in improving the connection strength. The embedded support rod 21 is perpendicular to one of the embedded rods 20 and parallel to the other embedded rod 20 to improve the connection strength.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A column-slab connection assembly for a prefabricated concrete house, characterized in that: The column-plate connection assembly comprises a column-end connection member (1), a plate connection member (2) and a fastener (3); the column-end connection member (1) and the plate connection member (2) are detachably connected by means of the fastener (3); the column-end connection member (1) comprises a covering shell (4) and a first sleeve (5) arranged in the covering shell (4); the plate connection member (2) comprises a bending plate (6) and a second sleeve (7) arranged on the bending plate (6); the second sleeve (7) comprises a locking section (8) and an expansion section (9); the side wall circumference of the expansion section (9) is provided with A plurality of open grooves (10) parallel to the axial direction thereof, the outer diameter of the tightening section (9) is smaller than the inner diameter of the first sleeve (5) and the tightening section (9) is inserted into the first sleeve (5), the fastener (3) comprises a connecting section (11) and an expanding section (12), the diameter of the connecting section (11) is smaller than the diameter of the expanding section (12), the connecting section (11) passes through the tightening section (9) and is connected to the locking section (8), and the expanding section (12) is inserted into the tightening section (9) so that the tightening section (9) abuts against the inner wall of the first sleeve (5).

2. The column-slab connection assembly for a prefabricated concrete house according to claim 1, characterized in that: The covering shell (4) is provided with a positioning boss (13), the bending plate (6) is provided with a positioning groove (14), the first sleeve (5) is provided on the positioning boss (13), the second sleeve (7) is provided on the positioning groove (14), and the positioning boss (13) corresponds to the positioning groove (14).

3. The column-slab connection assembly for a prefabricated concrete house according to claim 1, characterized in that: The expansion section (12) is conical, and the diameter of any cross section of the expansion section (12) gradually increases in a direction away from the connecting section (11).

4. The column-slab connection assembly for a prefabricated concrete house according to claim 2, characterized in that: The covering shell (4) has a containing cavity (15), and the containing cavity (15) is a right-angle bent cavity.

5. The column-slab connection assembly for a prefabricated concrete house according to claim 4, characterized in that: The bending plate (6) comprises a vertical plate (16) and a bottom plate (17); the vertical plate (16) and the bottom plate (17) are perpendicular to each other; the positioning groove (14) is arranged on the vertical plate (16); and the covering shell (4) is connected to the vertical plate (16).

6. The column-slab connection assembly for a prefabricated concrete house according to claim 5, characterized in that: The vertical plate (16) is provided with a first bending step (18) and a second bending step (19); the first bending step (18) and the second bending step (19) are both right angles; the covering shell (4) abuts against the first bending step (18) and the second bending step (19).

7. The column-slab connection assembly for a prefabricated concrete house according to claim 6, characterized in that: The plate connecting member (2) further comprises an embedded rod (20), wherein two embedded rods (20) are provided, the two embedded rods (20) are perpendicular to each other, and both embedded rods (20) are connected to the vertical plate (16).

8. The column-slab connection assembly for a prefabricated concrete house according to claim 7, characterized in that: The plate connecting member (2) further comprises an embedded support rod (21), wherein the embedded support rod (21) and the embedded rod (20) are perpendicular to each other, one end of the embedded support rod (21) is connected to the embedded rod (20), and the other end is connected to the vertical plate (16).

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