A kind of hot galvanizing steel pipe hangs mould hole filling clamp reserved hole plugging clamping plate

CN224886517UActive Publication Date: 2026-10-23REAL ESTATE CONSTR ANGANG GROUP +1
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Patent Information

Application Number
CN202522213661.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-20
Publication Date
2026-10-23
Estimated Expiration
2035-10-20

AI Technical Summary

Technical Problem

该方法虽解决了木模加工繁琐的问题,但塑料模盒与热镀锌钢管表面贴合度差,长期受温度变化、管道振动影响,模盒与管道间易出现间隙;且塑料材质强度低,承受填充材料压力时易变形,导致封堵层厚度不均,影响结构强度;同时,塑料模盒与混凝土的粘结性差,后期易出现脱落,无法长期保证封堵效果

Benefits of technology

[0016]本实用新型中,夹板采用扇形结构的主夹板配合内侧垫圈设计,其中垫圈由三元乙丙橡胶制成,厚度达5mm,具备出色的弹性与密封性。弧形片长度大于两侧侧板,能更贴合热镀锌钢管的外壁弧度,再通过调节螺栓贯穿定位孔并与六角螺母固定,可紧密包裹管道两侧,有效阻断预留孔处的渗水通道,大幅降低渗漏风险,确保封堵部位长期保持干燥,适用于卫生间、厨房等潮湿环境的管道安装场景,主夹板厚度为4mm,具有足够的结构强度,能承受一定的外力冲击与施工压力,避免在吊模补洞过程中因受力变形影响封堵效果。同时,调节螺栓与定位孔的配合设计,可根据管道的实际直径灵活调整两组主夹板的间距,无论是不同规格的热镀锌钢管,都能实现精准固定,无需为不同尺寸管道单独定制夹板,提升了产品的通用性与使用便捷性,降低施工成本与时间成本。

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Abstract

The utility model relates to the technical field of plugging clamp plate, specifically relates to a kind of hot galvanizing steel pipe hoist mould hole card reserved hole plugging clamp plate, including pipeline, the outside both sides of pipeline are equipped with main clamping plate, each group of main clamping plate is fan-shaped plate structure, and the inboard of main clamping plate is pasted with gasket, and two groups of gasket are connected and fixed by adjusting bolt;Gasket includes arc piece and side plate integrally fixed in the both sides of arc piece, and the middle part of two groups of side plates is all opened in the penetration positioning hole, and the sealing performance is excellent: the sealing gasket in the inboard of main clamping plate center circular hole is closely combined with hot galvanizing steel pipe, and cooperate with the sealing of elastic pressing strip and building structure, effectively block leakage channel, and the anti-permeation pressure of plugging part is greater than or equal to 0.3MPa after testing, far higher than traditional plugging mode, can long-term avoid leakage problem, after filling micro-expansion cement mortar, the compressive strength of plugging part is greater than or equal to 30MPa, with floor, wall body concrete strength matching, can bear normal use load, without cracking, risk of falling off.
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Description

Technical Field

[0001] This utility model relates to the field of sealing clamp technology, specifically to a pre-reserved hole sealing clamp for hot-dip galvanized steel pipe hoisting mold patching. Background Technology

[0002] In the installation of hot-dip galvanized steel pipes in building construction, holes need to be reserved when the pipes pass through floors and walls. After installation, these reserved holes must be sealed to ensure the waterproofing and integrity of the building structure. Currently, the commonly used methods for sealing reserved holes in the industry are mainly divided into two categories:

[0003] 1. Traditional wooden mold sealing method: This method uses wooden boards spliced ​​together to form a mold that fits the pre-drilled hole. After fixing it around the pipe, cement mortar is poured in. The disadvantages are: poor sealing of the spliced ​​wooden boards, leading to grout leakage during pouring, resulting in honeycomb and pitted surfaces at the sealing site; low fit between the wooden mold and the pipe / building structure, easily causing gaps and leaks later; and the need for on-site cutting and processing of the wooden mold to fit different hole diameters, resulting in cumbersome operations, low construction efficiency, low wood utilization, and material waste.

[0004] 2. Plastic Mold Sealing Method: This method involves inserting prefabricated plastic molds into the pipe and fixing them in place before filling and sealing. While this method solves the problem of cumbersome wooden mold processing, the plastic molds have poor adhesion to the hot-dip galvanized steel pipe surface. Long-term exposure to temperature changes and pipe vibrations can easily lead to gaps between the molds and the pipe. Furthermore, the low strength of the plastic material makes it prone to deformation under the pressure of the filling material, resulting in uneven sealing layer thickness and affecting structural strength. Additionally, the poor adhesion between the plastic molds and concrete makes them prone to detachment later on, failing to guarantee a long-term sealing effect.

[0005] Furthermore, existing sealing methods generally lack dedicated hanging mold fixing structures, requiring additional methods such as wire binding and bracket support to fix the mold. This is complex to operate and has poor fixing stability. Mold misalignment can easily lead to deviations in the sealing hole position. When removing the mold after sealing, the sealing layer is easily damaged, requiring secondary repairs, which increases construction costs and time. Currently, there are few specialized technologies in the industry for sealing pre-reserved holes in hot-dip galvanized steel pipes. Most refer to general hole sealing standards, which lack specificity and are difficult to meet the sealing and strength requirements of pre-reserved holes after the installation of hot-dip galvanized steel pipes.

[0006] In response to the current technological situation, the development of a pre-reserved hole sealing clamp for hoisting formwork repair is a key requirement for solving the problem of sealing pre-reserved holes in hot-dip galvanized steel pipes. This clamp should be compatible with hot-dip galvanized steel pipes, have good sealing performance, high structural strength, and be easy to construct. Utility Model Content

[0007] Technical problems to be solved

[0008] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a hot-dip galvanized steel pipe hoisting mold hole patching clamp with reserved hole sealing plate, which can effectively solve the problems in the existing technology.

[0009] Technical solution

[0010] This utility model provides a pre-reserved hole sealing clamp for hot-dip galvanized steel pipe hanging mold hole repair clamp, including a pipe, with main clamps fitted on both sides of the pipe. Each set of main clamps is a fan-shaped plate structure, and a washer is pasted on the inner side of the main clamp. The two sets of washers are connected and fixed by adjusting bolts.

[0011] Furthermore, the washer includes an arc-shaped piece and side plates integrally fixed on both sides of the arc-shaped piece, and positioning holes are provided through the middle of both sets of side plates.

[0012] Furthermore, the main clamping plate is 4mm thick, the gasket is 5mm thick, and it is made of EPDM rubber.

[0013] Furthermore, the length of the arc-shaped piece is greater than the length of the side plates on both sides.

[0014] Furthermore, the end of the adjusting bolt passes through the positioning hole and is fixedly sleeved with a hexagonal nut.

[0015] Beneficial effects

[0016] In this invention, the clamping plate adopts a fan-shaped main clamping plate with an inner washer design. The washer is made of EPDM rubber with a thickness of 5mm, providing excellent elasticity and sealing performance. The arc-shaped plate is longer than the side plates, allowing it to better conform to the outer curvature of the hot-dip galvanized steel pipe. Adjusting bolts are inserted through the positioning holes and fixed with hexagonal nuts, tightly wrapping both sides of the pipe and effectively blocking seepage channels at the pre-drilled holes. This significantly reduces the risk of leakage and ensures the sealed area remains dry for a long time. It is suitable for pipe installation in damp environments such as bathrooms and kitchens. The main clamping plate is 4mm thick, providing sufficient structural strength to withstand certain external impacts and construction pressures, preventing deformation during formwork patching that could affect the sealing effect. Furthermore, the design of the adjusting bolts and positioning holes allows for flexible adjustment of the spacing between the two sets of main clamping plates according to the actual diameter of the pipe. Precise fixing is achieved for hot-dip galvanized steel pipes of different specifications, eliminating the need for custom-made clamping plates for different pipe sizes. This improves the product's versatility and ease of use, reducing construction and time costs. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a front view of the structure of this utility model;

[0020] Figure 3 This is one of the structural exploded views of the main clamping plate and the washer in this utility model;

[0021] Figure 4 This is the second structural exploded view of the main clamping plate and washer in this utility model.

[0022] The labels in the diagram represent: 1. Pipe; 2. Main clamping plate; 3. Washer; 31. Positioning hole; 32. Side plate; 33. Arc-shaped piece; 4. Adjusting bolt. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0024] The present invention will be further described below with reference to the embodiments.

[0025] Example: A pre-drilled hole sealing clamp for patching holes in hot-dip galvanized steel pipes, see attached figure. Figure 1 - Appendix Figure 4The system includes a pipe 1, with main clamping plates 2 fitted on both sides of the pipe 1. Each set of main clamping plates 2 has a fan-shaped structure, and washers 3 are attached to the inner side of the main clamping plates 2. The two sets of washers 3 are connected and fixed by adjusting bolts 4. The clamping plates adopt a fan-shaped structure with the inner washers 3. The washers 3 are made of EPDM rubber with a thickness of 5mm, which has excellent elasticity and sealing performance. The arc-shaped piece 33 is longer than the two side plates 32, which can better fit the outer curvature of the hot-dip galvanized steel pipe. It is then fixed by adjusting bolts 4 through the positioning holes 31 and hexagonal nuts, which can tightly wrap the two sides of the pipe 1, effectively blocking the water seepage channel at the reserved hole, greatly reducing the risk of leakage, and ensuring that the sealed part remains dry for a long time. It is suitable for pipe installation in humid environments such as bathrooms and kitchens.

[0026] The washer 3 includes an arc-shaped piece 33 and side plates 32 integrally fixed on both sides of the arc-shaped piece 33. Positioning holes 31 are drilled through the center of both sets of side plates 32. The main clamping plate 2 is 4mm thick, and the washer 3 is 5mm thick, both made of EPDM rubber. The 4mm thickness of the main clamping plate 2 provides sufficient structural strength to withstand certain external impacts and construction pressures, preventing deformation during formwork patching that could affect the sealing effect. Simultaneously, the design of the adjusting bolt 4 and the positioning hole 31 allows for flexible adjustment of the spacing between the two sets of main clamping plates 2 according to the actual diameter of the pipe 1. This ensures precise fixing of hot-dip galvanized steel pipes of different specifications, eliminating the need for custom-made clamping plates for different pipe sizes, improving product versatility and ease of use, and reducing construction and time costs.

[0027] The length of the arc-shaped piece 33 is greater than the length of the side plates 32 on both sides; the end of the adjusting bolt 4 passes through the positioning hole 31 and is fixedly fitted with the hexagonal nut; the washer 3 is made of EPDM rubber, which has good aging resistance and corrosion resistance, and can resist the corrosion of water vapor and chemical substances in the surrounding environment of the pipeline 1, avoiding problems such as hardening and cracking of the washer due to long-term use; the main clamping plate 2 is compatible with hot-dip galvanized steel pipe, both of which have strong rust resistance and can jointly resist the effects of harsh environments such as humidity and acid and alkali, reduce the frequency of component replacement, extend the service life of the overall sealing structure, and provide a guarantee for the long-term stable operation of the pipeline system. The product structure design is simple, the main clamping plate 2 is directly fitted on the outside of the pipeline 1, and can be quickly fixed by adjusting the bolt 4 and the hexagonal nut, without complicated construction procedures and professional tools.

[0028] The positioning hole 31 ensures the accuracy of the installation of the adjusting bolt 4, avoiding repeated adjustments. Meanwhile, the elastic properties of the washer 3 automatically adapt to the gap between the pipe and the reserved hole during installation, reducing construction errors. The entire installation process is simple to operate, effectively shortening construction time and improving the efficiency of formwork patching operations. It is especially suitable for batch pipe installations or projects with tight schedules.

[0029] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.

Claims

1. A pre-drilled hole sealing clamp for a hot-dip galvanized steel pipe hoisting formwork, characterized in that, The pipe (1) is fitted with main clamps (2) on both sides of the outside of the pipe (1). Each set of main clamps (2) is a fan-shaped plate structure, and a washer (3) is pasted on the inner side of the main clamp (2). The two sets of washers (3) are connected and fixed by adjusting bolts (4). The washer (3) includes an arc-shaped piece (33) and a side plate (32) integrally fixed on both sides of the arc-shaped piece (33). A positioning hole (31) is opened through the middle of the two sets of side plates (32).

2. The pre-drilled hole sealing clamp for hot-dip galvanized steel pipe hoisting formwork as described in claim 1, characterized in that, The main clamping plate (2) is 4mm thick, and the gasket (3) is 5mm thick, and is made of EPDM rubber.

3. The pre-drilled hole sealing clamp for hot-dip galvanized steel pipe hoisting formwork as described in claim 2, characterized in that, The length of the arc-shaped piece (33) is greater than the length of the side plates (32) on both sides.

4. The pre-drilled hole sealing clamp for hot-dip galvanized steel pipe hoisting formwork as described in claim 2, characterized in that, The end of the adjusting bolt (4) passes through the positioning hole (31) and is fixedly sleeved with the hexagonal nut.