Adjustable double-layer reinforcing steel bar protective layer cushion block
By designing adjustable double-layer steel bar protective layer pads, the height adjustment is achieved using connecting components and adjustment blocks, the problems of low use efficiency of concrete wall pads and unstable fixation of steel bars in the prior art are solved, and construction efficiency and material utilization are improved.
Patent Information
- Application Number
- CN202421289953.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-06
AI Technical Summary
The existing concrete pads cannot adjust the thickness of the protective layer in both directions, and are inefficient in use, which can easily cause waste of materials, and lack the positioning of the steel bars, which may cause deviation problems.
An adjustable double-layer reinforced protective layer pad is designed. By installing a connecting assembly and adjustment block between the first pad and the second pad, the height adjustment is achieved by using threaded connections to meet different construction needs.
It has achieved the adjustment of the height of the pad according to the construction site needs, improve applicability and efficiency, avoid material waste, ensure the stable and fixed steel bars, and prevent deviation problems.
Smart Images

Figure CN222614689U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete protective layers, in particular to an adjustable double-layer steel bar protective layer pad. Background Art
[0002] In the process of building construction, there are many cast-in-place and prefabricated concrete constructions, and the quality requirements of concrete pouring are high for building components such as concrete slabs, concrete beams, and concrete columns. Among them, the thickness of the concrete cover and the overall thickness of the concrete components are important factors affecting the quality of concrete components. At present, during the concrete pouring process, pads are used to pad the steel bars inside the concrete components to control the distance between the steel bars and the concrete surface, that is, the thickness of the cover.
[0003] Chinese patent CN220058568U discloses "Double-layer concrete pad". This utility model discloses a double-layer concrete pad, including a first pad, a connecting rod and a second pad; the first pad is connected to the second pad by a connecting rod to form an integrated double-layer pad structure, and the first pad and the second pad are respectively connected to the upper steel bar and the lower steel bar in the concrete member; the thickness of the first pad is consistent with the thickness of the protective layer at the top of the concrete member, the thickness of the second pad is consistent with the thickness of the protective layer at the bottom of the concrete member, and the height of the double-layer pad structure is consistent with the thickness of the concrete member. This utility model can solve the problem that the concrete pad in the prior art cannot control the thickness of the protective layer in both directions and cannot control the overall thickness of the concrete member. However, there are several problems that need to be solved in this device: 1. The thickness of the concrete pad is fixed. When the protective layer of the reinforced concrete structure changes greatly during the construction process, the pad is inefficient and easily causes waste of materials; 2. It only plays a simple supporting effect, lacks the position of the steel bar, and may cause deviation problems; 3. The height between the upper and lower pads cannot be adjusted according to demand, which affects the use. Utility Model Content
[0004] In order to solve the above problems of the prior art, the utility model provides an adjustable double-layer steel bar protective layer pad, which solves the problem that the thickness of the concrete pad cannot be adjusted and the use efficiency is low. At the same time, it solves the problem that the concrete pad lacks a position for the steel bar and may deviate.
[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an adjustable double-layer steel bar protective layer pad, comprising a first pad and a second pad, a connecting assembly is installed between the first pad and the second pad, the lower surface of the first pad and the upper surface of the second pad are fixedly connected with connecting bolts, the lower end of the first pad and the upper end of the second pad are both provided with adjustment blocks, threaded holes are opened on the adjustment blocks, and the connecting bolts are threadedly connected in the threaded holes.
[0006] By adopting the above structural design, the distance between the first pad, the second pad and the adjustment block can be adjusted according to the actual use requirements of the construction site to meet different support heights, which can effectively expand the scope of application and improve applicability. Construction workers do not need to make pads of different thicknesses to meet different construction requirements, which speeds up construction efficiency, conforms to the concept of green construction, and is conducive to long-term use.
[0007] Preferably, a first mounting groove and a second mounting groove are formed on the upper surface of the first cushion block and the lower surface of the second cushion block, and the first mounting groove and the second mounting groove are arranged vertically.
[0008] With the above structural design, the first installation groove and the second installation groove are arranged crosswise, which facilitates fixing the concrete pad at the horizontal and vertical intersections of the steel bars, thereby stabilizing the concrete pad.
[0009] Preferably, the connecting assembly includes a plug-in slot column fixedly connected to the upper surface of the first pad block, and a plug-in column fixedly connected to the lower surface of the second pad block, a limiting hole is provided on the side of the plug-in slot column, and a plurality of positioning holes are provided on the side of the plug-in column at equal intervals along the length direction, the plug-in column extends into the plug-in slot column, and the fixing bolt passes through the limiting hole and the positioning hole to relatively fix the plug-in column and the plug-in slot column.
[0010] With the above structural design, the first pad and the second pad are spliced together through a connecting assembly and fixed by a pin. At the same time, a number of positioning holes are equidistantly opened on the plug-in column, so that the concrete pad can be adjusted according to the actual size of the steel frame, thereby increasing the versatility of the device.
[0011] Preferably, the depth of the first mounting groove is greater than the depth of the second mounting groove.
[0012] With the above structural design, the depth of the steel bars needs to be considered when installing the concrete pads. This setting can adapt to the installation of most fixed steel bars, fit the horizontal and vertical fixed steel bars as closely as possible to the concrete pads, increase the contact area, and improve stability.
[0013] Preferably, the threaded hole is opened at the center position of the adjusting block, and the connecting bolt is fixedly connected at the center positions of the first cushion block and the second cushion block.
[0014] With the above structural design, the height of the concrete pad is controlled by adjusting the length of the connecting bolt extending into the threaded hole, thereby meeting different requirements for the thickness of the concrete protective layer.
[0015] Preferably, the first cushion block, the second cushion block and the adjusting block are cylindrical structures with the same diameter.
[0016] The above structural design makes it easy to control the size of the concrete pad and prevent a significant impact on the strength of the poured concrete.
[0017] Compared with the prior art, the beneficial effects of the utility model are:
[0018] 1. The utility model can adjust the distance between the first cushion block, the second cushion block and the adjustment block according to the actual use requirements of the construction site to meet different support heights, which can effectively expand the scope of application and improve applicability. Construction personnel do not need to make cushion blocks of different thicknesses to meet different construction requirements, which speeds up construction efficiency, conforms to the concept of green construction, and is conducive to long-term use;
[0019] 2. The first installation groove and the second installation groove are arranged crosswise, which is convenient for fixing the concrete pad at the horizontal and vertical intersection of the steel bars, stabilizing the concrete pad and preventing the concrete pad from deviating;
[0020] 3. When installing with concrete pads, it is necessary to consider the depth of the steel bars. This setting can adapt to the installation of most fixed steel bars, and fit the horizontal and vertical fixed steel bars with the concrete pads as much as possible to increase the contact area and improve stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a structural schematic diagram of the utility model;
[0022] Figure 2 It is a schematic diagram of the split structure of the utility model. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in 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 in 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.
[0024] See also Figure 1-2The utility model provides a technical solution: an adjustable double-layer steel bar protective layer pad, comprising a first pad 1 and a second pad 2, a connecting assembly 6 is installed between the first pad 1 and the second pad 2, the lower surface of the first pad 1 and the upper surface of the second pad 2 are fixedly connected with connecting bolts 4, the lower end of the first pad 1 and the upper end of the second pad 2 are provided with adjustment blocks 3, threaded holes 5 are opened on the adjustment blocks 3, and the connecting bolts 4 are threadedly connected in the threaded holes 5. The distance between the first pad 1, the second pad 2 and the adjustment block 3 can be adjusted according to the actual use requirements of the construction site to meet different support heights, which can effectively expand the scope of application and improve applicability. Construction personnel do not need to make pads of different thicknesses to meet different construction requirements, which speeds up construction efficiency, conforms to the concept of green construction, and is conducive to long-term use.
[0025] The upper surface of the first pad 1 and the lower surface of the second pad 2 are both provided with a first mounting groove 7 and a second mounting groove 8, and the first mounting groove 7 and the second mounting groove 8 are arranged vertically. The first mounting groove 7 and the second mounting groove 8 are arranged crosswise, which facilitates fixing the concrete pad at the horizontal and vertical intersection of the steel bars, and plays a stabilizing role for the concrete pad.
[0026] The connection assembly 6 includes a plug-in slot column 61 fixedly connected to the upper surface of the first cushion block 1, and a plug-in column 62 fixedly connected to the lower surface of the second cushion block 2. The side of the plug-in slot column 61 is provided with a limiting hole 64, and the side of the plug-in column 62 is provided with a plurality of positioning holes 63 equidistantly along the length direction. The plug-in column 62 extends into the plug-in slot column 61, and the fixing bolt 65 passes through the limiting hole 64 and the positioning hole 63 to relatively fix the plug-in column 62 and the plug-in slot column 61. The first cushion block 1 and the second cushion block 2 are spliced and used through the connection assembly 6, and fixed by a latch. At the same time, a plurality of positioning holes 63 are equidistantly provided on the plug-in column 62, so that the concrete cushion block can be adjusted according to the actual size of the steel frame, which increases the versatility of the device.
[0027] The depth of the first installation groove 7 is greater than the depth of the second installation groove 8. When installing the concrete pad, the depth of the steel bar needs to be considered. This setting can adapt to the installation of most fixed steel bars, fit the horizontal and vertical fixed steel bars with the concrete pad as much as possible, increase the contact area, and improve stability.
[0028] The threaded hole 5 is opened at the center of the adjusting block 3, and the connecting bolt 4 is fixedly connected to the center of the first pad 1 and the second pad 2. The height of the concrete pad is controlled by adjusting the length of the connecting bolt 4 extending into the threaded hole 5, thereby meeting different requirements for the thickness of the concrete protective layer.
[0029] The first cushion block 1, the second cushion block 2 and the adjusting block 3 are cylindrical structures with the same diameter, so as to facilitate the control of the size of the concrete cushion block and prevent a significant impact on the strength of the poured concrete.
[0030] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. Although the present utility model is described in detail with reference to the above embodiments, it is still possible for the technical solutions recorded in the above embodiments to be modified, or some of the technical features therein to be replaced by equivalents, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. An adjustable double-layer steel bar protective layer pad, comprising a first pad (1) and a second pad (2), characterized in that: A connecting assembly (6) is installed between the first cushion block (1) and the second cushion block (2); the lower surface of the first cushion block (1) and the upper surface of the second cushion block (2) are both fixedly connected with connecting bolts (4); the lower end of the first cushion block (1) and the upper end of the second cushion block (2) are both provided with adjusting blocks (3); a threaded hole (5) is provided on the adjusting block (3), and the connecting bolt (4) is threadedly connected in the threaded hole (5).
2. The adjustable double-layer steel bar protective layer pad according to claim 1, characterized in that: The upper surface of the first cushion block (1) and the lower surface of the second cushion block (2) are both provided with a first mounting groove (7) and a second mounting groove (8), and the first mounting groove (7) and the second mounting groove (8) are arranged vertically.
3. The adjustable double-layer steel bar protective layer pad according to claim 1, characterized in that: The connecting assembly (6) comprises a plug-in slot column (61) fixedly connected to the upper surface of the first cushion block (1), and a plug-in column (62) fixedly connected to the lower surface of the second cushion block (2). A limiting hole (64) is provided on the side of the plug-in slot column (61), and a plurality of positioning holes (63) are provided on the side of the plug-in column (62) at equal intervals along the length direction. The plug-in column (62) extends into the plug-in slot column (61), and a fixing bolt (65) passes through the limiting hole (64) and the positioning hole (63) to relatively fix the plug-in column (62) and the plug-in slot column (61).
4. The adjustable double-layer steel bar protective layer pad according to claim 2, characterized in that: The depth of the first mounting groove (7) is greater than the depth of the second mounting groove (8).
5. The adjustable double-layer steel bar protective layer pad according to claim 1, characterized in that: The threaded hole (5) is opened at the center position of the adjustment block (3), and the connecting bolt (4) is fixedly connected at the center positions of the first cushion block (1) and the second cushion block (2).
6. The adjustable double-layer steel bar protective layer pad according to claim 1, characterized in that: The first cushion block (1), the second cushion block (2) and the adjustment block (3) are cylindrical structures with the same diameter.
Citation Information
Patent Citations
Double-layer concrete cushion block
CN220058568U