Steel formwork bottom anti-leakage device

By designing the anti-leakage device at the bottom of the steel formwork, using the combined structure of rubber pads and U-shaped fasteners, the problem of slurry leakage at the bottom of the steel formwork is solved, the concrete forming effect and construction quality are improved, and the structural stability and Resource utilization efficiency.

CN222253118UActive Publication Date: 2024-12-27CHINA RAILWAY 12TH BUREAU GRP CO LTD +4
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Patent Information

Application Number
CN202323547091.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2024-12-27
Estimated Expiration
2033-12-26

AI Technical Summary

Technical Problem

After the steel formwork is installed, due to uneven base surface, there are gaps in the contact between the bottom of the steel formwork and the base surface, causing slurry to seep out during concrete pouring, affecting structural stability, and may cause uneven concrete drying and appearance problems. The existing seals The material sealing method cannot completely solve the gap problem, resulting in waste of materials and structural instability.

Method used

A steel formwork bottom anti-leakage device including a first presser foot panel, a second presser foot panel and a U-shaped fastener is designed, and a rubber pad and epoxy resin glue are combined to pass through the first presser foot panel and the second presser foot panel. The clamping method forms a tight surround, and cooperates with the limit of the U-shaped fastener to ensure the shape and perpendicularity of the steel formwork, and use rubber pads to fill gaps to improve sealing.

Benefits of technology

Effectively prevent slurry leakage at the bottom of the steel formwork, improve the concrete surface molding effect, reduce resource waste, ensure construction quality, strong structural stability, and convenient installation and disassembly.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222253118U_ABST
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Abstract

The utility model discloses a steel moulding plate bottom anti-seepage device which comprises a pair of first presser foot plates, a pair of second presser foot plates and a U-shaped buckle piece, the first presser foot plates and the second presser foot plates are oppositely connected in a clamping mode in pairs, and rubber cushion plates are arranged at the bottoms of the first presser foot plates and the bottoms of the second presser foot plates. According to the utility model, the first presser foot plate and the second presser foot plate are oppositely clamped in pairs to tightly surround the bottom of the steel template, and the rubber cushion plate is arranged in a matched manner, so that slurry leakage in gaps at the bottom of the steel template can be effectively prevented; the problem that when the building stand column is poured, the concrete surface forming effect is poor is solved. The steel formwork can be limited through the arranged U-shaped buckles, the shape and perpendicularity of columns in the steel formwork are guaranteed, and the construction quality is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a leakage prevention device at the bottom of a steel template. Background Art

[0002] At present, after the steel formwork is installed, due to the uneven treatment base surface, there will be a gap in the contact area between the skeleton at the bottom of the steel formwork and the treated base surface, which will cause slurry seepage during the concrete pouring process, thereby affecting the overall stability of the structure.

[0003] For the gaps formed, mortar, sealant, wax, etc. are usually used to seal them during construction. However, mortar, sealant, wax sealing methods cannot completely solve the gap problem. There will still be leakage of mortar and water, which not only leads to material waste, but also causes the template to shift, thus affecting the overall structural stability of the building; in addition, the gaps may also cause uneven drying of concrete, honeycomb surface appearance, resulting in a serious decline in project quality. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a steel template bottom anti-leakage device, which aims to solve the problems mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for preventing leakage at the bottom of a steel formwork, comprising a first pressure plate, a second pressure plate and a U-shaped fastener, wherein the first pressure plate and the second pressure plate are each provided with a pair and are clamped relative to each other, and rubber pads are provided at the bottom of the first pressure plate and the second pressure plate, and the U-shaped fastener is arranged on the inner side of the clamping point between the first pressure plate and the second pressure plate.

[0006] Furthermore, the first presser foot includes a first bending plate and a first vertical plate, the first vertical plate is arranged at the outer position of the top of the first bending plate, and the first vertical plate and the first bending plate have the same length, and the first vertical plate is also provided with a first connecting slot, the rubber pad is bonded to the bottom of the first bending plate with epoxy resin glue, and diagonally arranged U-shaped fasteners are provided on both sides of the first bending plate, and the U-shaped fasteners are located on the inner side of the first connecting slot.

[0007] Furthermore, the second pressure foot plate includes a second bending plate and a second vertical plate, the second vertical plate is arranged at the outer position of the top of the second bending plate, and the length of the second vertical plate is greater than the length of the second bending plate, an avoidance gap is formed between the second bending plate and the second vertical plate, and a second connecting slot is also provided at the bottom of the second vertical plate at the position of the avoidance gap, and the rubber pad is bonded to the bottom of the second bending plate by epoxy resin glue.

[0008] Furthermore, the first bending plate and the first vertical plate, as well as the second bending plate and the second vertical plate, are connected to each other through the first connecting slot, the second connecting slot and the avoidance notch, and cooperate with the rubber pad to form an anti-leakage mechanism.

[0009] Furthermore, a rectangular through hole is provided inside the rubber pad, and an elastic rubber strip is provided inside the rectangular through hole to divide it into two square through holes. An elastic rubber strip is obliquely provided inside each square through hole to divide it into two triangular through holes. The wide side of the rubber pad is made of hard rubber material, and the narrow side of the rubber pad is made of the same material as the elastic rubber strip.

[0010] Furthermore, the rubber pad disposed at the bottom of the first bending plate has the same area as the bottom of the first bending plate, and the rubber pad disposed at the bottom of the second bending plate has the same area as the bottom of the second bending plate.

[0011] Furthermore, connection holes for fixing and second expansion bolts are provided on both sides of the U-shaped clip.

[0012] Furthermore, the first bending plate and the second bending plate are both provided with a plurality of threaded holes.

[0013] Compared with the existing technology, the utility model has the following beneficial effects: the utility model forms a tight encirclement of the bottom of the steel formwork by the relative clamping connection between the first pressure foot plate and the second pressure foot plate, and the rubber pad provided can effectively prevent the leakage of slurry from the gap at the bottom of the steel formwork, thereby solving the problem of poor concrete surface forming effect when pouring building columns; the U-shaped fasteners provided can limit the steel formwork to ensure the shape and verticality of the internal columns, improve the construction quality, reduce resource waste, and have simple operation, convenient construction, and strong overall structural stability; the utility model adopts a clamping method, which makes installation and disassembly more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 This is a schematic structural diagram of the first presser foot of the utility model.

[0016] Figure 3 It is a schematic diagram of the structure of the second presser foot of the utility model.

[0017] Figure 4 This is a schematic diagram of the rubber pad structure of the utility model.

[0018] Figure 5 It is the installation diagram of the utility model.

[0019] In the figure: 1. first pressure foot plate; 2. second pressure foot plate; 3. U-shaped fastener; 4. rubber pad; 5. first expansion bolt; 6. second expansion bolt; 7. steel formwork; 8. angle steel; 11. first vertical plate; 12. first bending plate; 13. first connecting slot; 21. second vertical plate; 22. second bending plate; 23. second connecting slot; 24. avoidance gap; 71. steel formwork frame; 14. threaded hole. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 5 The utility model provides a technical solution: a device for preventing leakage at the bottom of a steel template, comprising a first pressure foot plate 1, a second pressure foot plate 2 and a U-shaped clip 3, the first pressure foot plate 1 and the second pressure foot plate 2 are each provided with a pair, and are clamped relative to each other in pairs, and the first pressure foot plate 1 and the second pressure foot plate 2 are both provided with a rubber pad 4 at the bottom, and the U-shaped clip 3 is arranged on the first pressure foot plate 1 and the inner side of the clamping position of the second pressure foot plate 2; the utility model forms a tight encirclement of the bottom of the steel template 7 by clamping the first pressure foot plate 1 and the second pressure foot plate 2 relative to each other in pairs, and the rubber pad 4 is provided, which can effectively prevent the gap at the bottom of the steel template 7 from leaking, and solves the problem of poor concrete surface forming effect when pouring building columns; the U-shaped clip 3 can limit the steel template 7 by setting it, ensure the shape and verticality of the internal column, improve the construction quality, reduce resource waste, simple operation, convenient construction, and strong overall structural stability; the utility model adopts a clamping method, which makes installation and disassembly more convenient.

[0021] Among them, the first pressure foot plate 1 includes a first bending plate 12 and a first vertical plate 11, the first vertical plate 11 is arranged at the outer position of the top of the first bending plate 12, and the first vertical plate 11 and the first bending plate 12 are of the same length. A first connecting slot 13 is also provided on the first vertical plate 11, and the rubber pad 4 is bonded to the bottom of the first bending plate 12 by epoxy resin glue. Diagonally arranged U-shaped fasteners 3 are provided on both sides of the first bending plate 12, and the U-shaped fasteners 3 are located on the inner side of the first connecting slot 13.

[0022] Among them, the second pressure foot plate 2 includes a second bending plate 22 and a second vertical plate 21. The second vertical plate 21 is arranged at the outer position of the top of the second bending plate 22, and the length of the second vertical plate 21 is greater than the length of the second bending plate 22. An avoidance gap 24 is formed between the second bending plate 22 and the second vertical plate 21. A second connecting slot 23 is also provided at the bottom of the second vertical plate 21 at the position of the avoidance gap 24, and the rubber pad 4 is bonded to the bottom of the second bending plate 22 by epoxy resin glue. It should be noted that during the specific processing, the length of the avoidance gap 24 is equal to (the length of the second vertical plate 21-the length of the steel template 7) / 2.

[0023] The first bending plate 12 and the first vertical plate 11 as well as the second bending plate 22 and the second vertical plate 21 are mutually connected through the first connecting slot 13, the second connecting slot 23 and the avoidance notch 24, and cooperate with the rubber pad 4 to form an anti-leakage mechanism. The rubber pad 4 arranged at the bottom of the first bending plate 12 has the same area as the bottom of the first bending plate 12, and the rubber pad 4 arranged at the bottom of the second bending plate 22 has the same area as the bottom of the second bending plate 22; the epoxy resin glue can improve the overall sealing of the anti-leakage mechanism; the first bending plate 1 2 and the second bending plate 22 are both provided with a plurality of threaded holes 14; when in use, the first presser foot plate 1 and the second presser foot plate 2 of the device are first clamped to the bottom of the steel template 7 in pairs, and the first expansion bolt 5 is passed through the threaded holes 14 on the first bending plate 12 and the second bending plate 22 and then through the steel template skeleton 71 at the bottom of the steel template 7 to be fixed to the processing base surface, so that the rubber pad 4 blocks the gap between the bottom of the steel template 7 and the processing base surface, and the first vertical plate 11 and the second vertical plate 21 form a baffle to prevent the gap at the bottom of the steel template 7 from leaking.

[0024] Among them, a rectangular through hole is provided inside the rubber pad 4, and an elastic rubber strip 41 is provided inside the rectangular through hole to divide it into two square through holes, and an elastic rubber strip 41 is obliquely provided inside each square through hole to divide it into two triangular through holes. The wide side of the rubber pad 4 is made of hard rubber material, and the narrow side of the rubber pad 4 is made of the same material as the elastic rubber strip 41. It should be noted that the height of the rubber pad 4 when not compressed is slightly higher than the height of the first bending plate 12 and the second bending plate 22, so that when the device is subjected to force, some gaps can be filled to improve the sealing. At the same time, the triangular through holes formed inside the rubber pad 4 can also ensure its own stability.

[0025] In the present invention, the first connecting slot 13 and the second connecting slot 23 on the first vertical plate 11 and the second vertical plate 21 can be adjusted according to the size of the square column cast by the steel formwork 7 .

[0026] Among them, connection holes for fixing and second expansion bolts 6 are provided on both sides of the U-shaped fastener 3. In this embodiment, the U-shaped fastener 3 is fixed to the first bent plate 12 by the second expansion bolts 6, and the second expansion bolts 6 pass through the first bent plate 12 and then connect to the processed base surface. The diagonal arrangement makes it possible to fit closely to the surface of the angle steel 8 at the four corners of the bottom of the steel formwork 7, limit the angle steel 8, ensure the stability of the steel formwork 7, prevent the steel formwork 7 from shifting when pouring column concrete, ensure the shape and verticality of the column, and improve the construction accuracy and quality.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel template bottom anti-leakage device, comprising a first pressure foot plate (1), a second pressure foot plate (2) and a U-shaped buckle (3), characterized in that: The first presser foot plate (1) and the second presser foot plate (2) are each provided with a pair and are clamped relative to each other. The bottoms of the first presser foot plate (1) and the second presser foot plate (2) are each provided with a rubber pad (4). The U-shaped clamping member (3) is arranged on the inner side of the clamping point between the first presser foot plate (1) and the second presser foot plate (2).

2. A steel formwork bottom anti-leakage device according to claim 1, characterized in that: The first presser foot plate (1) comprises a first bending plate (12) and a first vertical plate (11), wherein the first vertical plate (11) is arranged at the outer side of the top of the first bending plate (12), and the first vertical plate (11) and the first bending plate (12) have the same length, and the first vertical plate (11) is also provided with a first connecting slot (13), the rubber pad (4) is bonded to the bottom of the first bending plate (12) by epoxy resin glue, and diagonally arranged U-shaped fasteners (3) are provided on both sides of the first bending plate (12), and the U-shaped fasteners (3) are located inside the first connecting slot (13).

3. A steel formwork bottom anti-leakage device according to claim 2, characterized in that: The second presser foot plate (2) comprises a second bent plate (22) and a second vertical plate (21); the second vertical plate (21) is arranged at the outer side of the top of the second bent plate (22); the length of the second vertical plate (21) is greater than the length of the second bent plate (22); an avoidance gap (24) is formed between the second bent plate (22) and the second vertical plate (21); a second connecting slot (23) is also provided at the bottom of the second vertical plate (21) at the position of the avoidance gap (24); and the rubber pad (4) is bonded to the bottom of the second bent plate (22) by epoxy resin glue.

4. A steel formwork bottom anti-leakage device according to claim 3, characterized in that: The first bent plate (12) and the first upright plate (11) as well as the second bent plate (22) and the second upright plate (21) are mutually clamped via a first connecting slot (13), a second connecting slot (23) and an avoidance notch (24), and cooperate with the rubber pad (4) to form an anti-leakage mechanism.

5. The anti-leakage device for the bottom of a steel formwork according to claim 3, characterized in that: The rubber pad (4) is provided with a rectangular through hole inside, and an elastic rubber strip (41) is provided inside the rectangular through hole to divide it into two square through holes. Each square through hole is provided with an elastic rubber strip (41) obliquely to divide it into two triangular through holes. The wide surface of the rubber pad (4) is made of hard rubber material, and the narrow surface of the rubber pad (4) is made of the same material as the elastic rubber strip (41).

6. The anti-leakage device for the bottom of a steel formwork according to claim 4, characterized in that: The rubber pad (4) arranged at the bottom of the first bending plate (12) has the same area as the bottom of the first bending plate (12), and the rubber pad (4) arranged at the bottom of the second bending plate (22) has the same area as the bottom of the second bending plate (22).

7. The anti-leakage device for the bottom of a steel formwork according to claim 2, characterized in that: The U-shaped clip (3) is provided with connection holes for fixing and second expansion bolts (6) on both sides.

8. The anti-leakage device for the bottom of a steel formwork according to claim 2, characterized in that: The first bent plate (12) and the second bent plate (22) are both provided with a plurality of threaded holes (14).