Prefabricated cover plate system for post-cast strip of basement exterior wall

Abstract

The utility model discloses a basement outer wall post-cast strip prefabricated cover plate system which comprises a cover plate arranged on the outer side of a basement outer wall post-cast strip and an inner formwork arranged on the inner side of the basement outer wall post-cast strip, and a connecting piece is arranged between the cover plate and the inner formwork. The first screw is fixedly connected with the inner side of the cover plate, the second screw is connected with the inner formwork through a nut, the threaded sleeve is connected with the first screw and the second screw, and one end of the threaded sleeve is tightly attached to the inner side of the inner formwork. The device has the advantages that the cover plate and the inner formwork which are connected through the connecting piece can be rapidly installed, the purpose of enclosing the outer side of the post-cast strip can be achieved, the contact face is smooth, the device can be used as a formwork when the post-cast strip is poured, and therefore construction efficiency and construction quality are improved; and in addition, after the post-cast strip is cast and formed, the second screw rod and the inner formwork can be quickly detached for turnover use, and therefore the resource utilization rate is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of basement exterior wall construction, in particular to a prefabricated cover plate system for a post-cast belt of a basement exterior wall. Background Art

[0002] In the construction of cast-in-place concrete walls of buildings, in order to reduce the shrinkage stress caused by temperature and solve the settlement difference caused by different superstructures, post-cast strips need to be set on the outer walls of the basement. Before the post-cast strips are closed, debris will inevitably fall into them, making them difficult to clean, and rainwater and construction water can easily enter the basement, affecting normal construction; the time interval between the outer wall of the basement and the pouring of the post-cast strips is long, affecting the waterproofing construction of the outer wall and the backfilling construction of the earthwork.

[0003] In the prior art, masonry is usually used to build enclosures on the outside of the post-cast strip of the exterior wall to ensure the continuity of subsequent construction. However, the masonry enclosure method not only takes a long time to build, but also the flatness and accuracy per unit area are unstable during the construction process. Leveling operations are also required, which is not conducive to improving the quality and efficiency of waterproofing construction. Utility Model Content

[0004] In order to overcome the problem that the existing technology uses masonry to build enclosures on the outside of the post-cast strip of the exterior wall, which not only takes a long time to construct, but also has unstable flatness and accuracy per unit area during the construction process, and requires leveling operations, which is not conducive to improving the quality and efficiency of waterproof construction, the utility model provides a prefabricated cover plate system for the post-cast strip of the exterior wall of the basement. The technical solution is as follows:

[0005] A prefabricated cover plate system for a basement exterior wall post-cast strip, comprising a cover plate arranged on the outside of the basement exterior wall post-cast strip and an inner formwork arranged on the inside of the basement exterior wall post-cast strip, a connecting piece is arranged between the cover plate and the inner formwork, the connecting piece comprises a screw rod 1 fixedly connected to the inner side of the cover plate, a screw rod 2 connected to the inner formwork through a nut, and a threaded sleeve connecting the screw rod 1 and the screw rod 2, and one end of the threaded sleeve is in close contact with the inner side of the inner formwork, the cover plate, the inner formwork and the connecting piece are quick to install and easy to use, and can be quickly maintained on the outside of the exterior wall post-cast strip, and the threaded sleeve is arranged in close contact with the inner formwork, so that the inner formwork and the screw rod 2 can be disassembled after the post-cast strip is cast and formed, without cutting the connecting piece, which is convenient for turnover, and the inner formwork can be supported by adjusting the threaded sleeve, which has the effect of controlling the thickness of the post-cast strip.

[0006] Furthermore, an external thread is provided at one end of the threaded sleeve close to the inner formwork and a reinforcing plate is provided on the sliding sleeve, and a side of the reinforcing plate close to the inner formwork is limited by a positioning nut provided on the threaded sleeve. After the inner formwork and the cover plate are connected by the connecting piece, the reinforcing plate is slid close to the steel cage, and then the reinforcing plate is squeezed and fixed on the nearest steel bar by the positioning nut to strengthen the positioning. After the post-casting strip is cast and formed, the reinforcing plate is embedded in the wall of the post-casting strip to increase the contact area between the connecting piece and the wall of the post-casting strip, so that the cover plate remains stable after the inner formwork is removed.

[0007] Furthermore, a through hole adapted to the second screw is opened on the inner template, one end of the second screw is threadedly connected to the threaded sleeve, and the other end passes through the through hole to the outside of the inner template, wooden squares are arranged on both sides of the second screw on the outside of the inner template, steel pipes are arranged on the outside of the wooden squares and on both sides of the second screw, and the steel pipes are perpendicular to the wooden squares, and a clamping plate with both ends bent inward is arranged on the outside of the steel pipe, and the clamping plate is fastened by arranging a nut on the second section of the screw on its outside.

[0008] Furthermore, angle irons are fixed on both sides of the cover plate on the outer wall of the basement, and the openings of the angle irons face outwards. The cover plate can be inserted between the angle irons on both sides. The angle irons can limit and fix the cover plate to prevent the cover plate from deflecting.

[0009] Furthermore, a waterproof plate is provided on the outside of the cover plate, and both ends of the waterproof plate are first bent inward and then bent outward to recover to a horizontal state, a square slide groove is provided inside the angle of the angle iron along the length direction, and a slider matching the square slide groove is provided on the inner side of the bending section of the waterproof plate through a connecting plate, and the inner side surfaces of the bending recovery sections at both ends of the waterproof plate are close to the outer wall of the basement.

[0010] Furthermore, a protrusion is provided on the top of the cover plate, and a groove matching the protrusion is provided on the bottom of the cover plate. Multiple cover plates can be connected by plugging the protrusion into the groove, so as to adapt to the height of the post-cast strip of the basement exterior wall of different heights.

[0011] Furthermore, a waterproof adhesive strip is bonded to the top surface of the protrusion, and a waterproof adhesive strip is also provided on the inner side surface of the bending recovery section of the waterproof board to enhance the waterproof performance.

[0012] The beneficial effects of the technical solution provided by the utility model are as follows: the cover plate and the inner formwork connected by the connecting piece of the device can not only be quickly installed to complete the purpose of enclosure outside the post-casting strip, but also have a flat contact surface and can be used as a formwork when pouring the post-casting strip, thereby improving construction efficiency and construction quality;

[0013] In addition, after the post-casting strip is cast and formed, the screw rod 2 and the inner formwork can be quickly disassembled for turnover use, thereby improving resource utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following is a brief introduction to the drawings used in the embodiments. Obviously, the drawings listed below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0016] Figure 2 yes Figure 1 A magnified schematic diagram of the structure at center A;

[0017] Figure 3 It is a top view schematic diagram of an embodiment of the utility model;

[0018] Figure 4 It is a schematic diagram of the internal structure of an embodiment of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the cover plate in the embodiment of the utility model.

[0020] In the attached drawings, the components represented by each number are listed as follows: 1. Basement exterior wall; 2. Cover plate; 3. Inner formwork; 4. Screw one; 5. Screw two; 6. Threaded sleeve; 7. Reinforcement plate; 8. Positioning nut; 10. Wooden square; 11. Steel pipe; 12. Pallet; 13. Angle iron; 14. Waterproof board; 15. Square slide; 16. Slider; 17. Protrusion; 18. Groove. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0022] See also Figures 1 to 5 The embodiment of the utility model provides a prefabricated cover plate system for the post-cast strip of the basement exterior wall, including a cover plate 2 arranged on the outside of the post-cast strip of the basement exterior wall 1 and an inner formwork 3 arranged on the inside of the post-cast strip of the basement exterior wall 1, a connecting piece is arranged between the cover plate 2 and the inner formwork 3, and the connecting piece includes a screw rod 1 4 fixedly connected to the inner side of the cover plate 2, a screw rod 2 5 connected to the inner formwork 3 through a nut, and a threaded sleeve 6 connecting the screw rod 1 4 and the screw rod 2 5, and one end of the threaded sleeve 6 is close to the inner side of the inner formwork 3.

[0023] One end of the threaded sleeve 6 close to the inner template 3 is provided with an external thread and the sliding sleeve is provided with a reinforcing plate 7 , and one side of the reinforcing plate 7 close to the inner template 3 is limited by a positioning nut 8 provided on the threaded sleeve 6 .

[0024] A through hole adapted to the screw rod 25 is opened on the inner template 3, one end of the screw rod 25 is threadedly connected to the threaded sleeve 6, and the other end passes through the through hole to the outside of the inner template 3, and wooden squares 10 are arranged on both sides of the screw rod 25 on the outside of the inner template 3, and steel pipes 11 are arranged on the outside of the wooden squares 10 and on both sides of the screw rod 25, and the steel pipes 11 are perpendicular to the wooden squares 10, and a clamping plate 12 with both ends bent inward is arranged on the outside of the steel pipe 11, and the clamping plate 12 is fastened by setting a nut on the screw rod 25 section on its outside.

[0025] Angle irons 13 are fixed on both sides of the cover plate 2 of the basement outer wall 1, and the openings of the angle irons 13 face outwards, and the cover plate 2 can be inserted between the angle irons 13 on both sides.

[0026] A waterproof plate 14 is arranged on the outside of the cover plate 2. Both ends of the waterproof plate 14 are first bent inward and then bent outward to return to a horizontal state. A square slide groove 15 is arranged along the length direction within the angle of the angle iron 13. A slider 16 matching the square slide groove 15 is arranged on the inner side of the bent section of the waterproof plate 14 through a connecting plate. The inner side surfaces of the bent recovery sections at both ends of the waterproof plate 14 are closely attached to the outer wall 1 of the basement.

[0027] A protrusion 17 is provided at the top end of the cover plate 2 , and a groove 18 matching the protrusion 17 is provided at the bottom end of the cover plate 2 .

[0028] A waterproof adhesive strip is bonded to the top surface of the protrusion 17 , and a waterproof adhesive strip is also provided on the inner side surface of the bending recovery section of the waterproof board 14 .

[0029] Instructions for use: When using this device, place the cover plate 2 on the outside of the post-casting strip of the basement outer wall 1, place the inner formwork 3 on the inside of the post-casting strip of the basement outer wall 1, and then connect the threaded sleeve 6 with the screw rod 1 4, put the reinforcing plate 7 on the threaded sleeve 6 and install the positioning nut 8 on the threaded sleeve 6, and then use the screw rod 2 5 to pass through the through hole on the inner formwork 3 to connect with the threaded sleeve 6, and adjust the threaded sleeve 6 so that one end of it is close to the inner formwork 3 to ensure that when pouring the post-casting strip, the concrete will not fix the screw rod 2 5 in the wall for later use. Remove it, place a wooden square 10 horizontally on the outside of the inner formwork 3 and on both sides of the screw rod 2 5, then place a steel pipe 11 perpendicular to the wooden square 10 on the outside of the wooden square 10 and on both sides of the screw rod 2 5, and then use the clamping plate 12 to clamp the steel pipe 11 and fix it with a nut, finally stick the waterproof tape on the protrusion 17 of the cover plate 2 and the inner side of the bending recovery section of the waterproof board 14, and then insert the waterproof board 14 into the square slide groove 15 on the angle iron 13 through the slider 16; plug in multiple cover plates 2 according to the height of the post-casting strip wall, and repeat the above installation steps.

[0030] 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 prefabricated cover plate system for post-cast strips of basement exterior walls, characterized in that: It comprises a cover plate (2) arranged on the outside of a post-cast strip of a basement outer wall (1) and an inner formwork (3) arranged on the inside of a post-cast strip of the basement outer wall (1), a connecting piece is arranged between the cover plate (2) and the inner formwork (3), the connecting piece comprises a first screw (4) fixedly connected to the inside of the cover plate (2), a second screw (5) connected to the inner formwork (3) via a nut, and a threaded sleeve (6) connecting the first screw (4) and the second screw (5), and one end of the threaded sleeve (6) is in close contact with the inside of the inner formwork (3); The basement outer wall (1) is located on both sides of the cover plate (2) and angle irons (13) are fixed thereto, and the openings of the angle irons (13) face outwards, and the cover plate (2) can be inserted between the angle irons (13) on both sides; A waterproof plate (14) is arranged on the outside of the cover plate (2), and the two ends of the waterproof plate (14) are first bent inwards and then bent outwards to be restored to a horizontal state. A square slide groove (15) is arranged in the length direction of the angle of the angle iron (13). A slider (16) matching the square slide groove (15) is arranged on the inner side of the bent section of the waterproof plate (14) through a connecting plate. The inner side surfaces of the bent recovery sections at both ends of the waterproof plate (14) are closely attached to the outer wall (1) of the basement.

2. The prefabricated cover plate system for the post-cast strip of the basement exterior wall according to claim 1 is characterized in that: An end of the threaded sleeve (6) close to the inner template (3) is provided with an external thread and the sliding sleeve is provided with a reinforcing plate (7), and a side of the reinforcing plate (7) close to the inner template (3) is limited by a positioning nut (8) provided on the threaded sleeve (6).

3. The prefabricated cover plate system for the post-cast strip of the basement exterior wall according to claim 1 is characterized in that: The inner template (3) is provided with a through hole adapted to the second screw rod (5); one end of the second screw rod (5) is threadedly connected to the threaded sleeve (6), and the other end passes through the through hole to the outside of the inner template (3); wooden blocks (10) are arranged on the outside of the inner template (3) on both sides of the second screw rod (5); steel pipes (11) are arranged on the outside of the wooden blocks (10) and on both sides of the second screw rod (5), and the steel pipes (11) are perpendicular to the wooden blocks (10); a clamping plate (12) with both ends bent inwardly is arranged on the outside of the steel pipe (11); the clamping plate (12) is fastened by a nut arranged on the second screw rod (5) section on the outside of the clamping plate (12).

4. The prefabricated cover plate system for the post-cast strip of the basement exterior wall according to claim 1 is characterized in that: The top end of the cover plate (2) is provided with a protrusion (17), and the bottom end of the cover plate (2) is provided with a groove (18) matching the protrusion (17).

5. The prefabricated cover plate system for the post-cast strip of the basement exterior wall according to claim 4 is characterized in that: A waterproof adhesive strip is bonded to the top surface of the protrusion (17), and a waterproof adhesive strip is also provided on the inner side surface of the bending recovery section of the waterproof plate (14).

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