Post-planted pre-embedded tie bar
By designing post-installed pre-embedded tie bars and using the lever principle of slotted tie bars and perforated nails to fix the wire mesh, the problem of pre-embedded tie bars affecting construction progress and quality was solved, achieving stable fixation and improved construction efficiency.
Patent Information
- Application Number
- CN202423075656.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-13
AI Technical Summary
In the construction of infill walls, the pre-embedded tie bars affect the construction progress and quality, and there are also quality risks such as forgetting to place the tie bars or failing to hook the wire mesh, resulting in incomplete mortar joints and problems with the appearance of the masonry surface.
Design a post-installed pre-embedded tie bar, including a slotted tie bar, a perforated clip, and a wire mesh clip. Utilize the lever principle to fix the wire mesh or galvanized welded wire mesh, ensuring the tie bar is stable and easy to install.
It improves construction efficiency, ensures the fixing effect of wire mesh or galvanized welded wire mesh, avoids incomplete mortar joints and quality hazards, is suitable for autoclaved aerated concrete block infill walls of different modules, and is low in cost and easy to produce and move.
Smart Images

Figure CN223548824U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of building construction, and in particular relates to a post-installed pre-embedded tie bar. Background Technology
[0002] During the construction of infill walls, the general construction sequence is to first install the blocks, then place the tie bars, and finally apply mortar to the block joints to ensure a full and aesthetically pleasing appearance. During the mortar application process, the mortar should be smoothed along the edge of the block, making the joints slightly recessed into the block surface, and then the block surface should be cleaned. Because wire mesh or galvanized welded wire mesh needs to be installed during later plastering, tie bars need to be pre-embedded. Pre-embedding the tie bars affects the infill wall construction progress, increases worker time, and inevitably affects the appearance quality of the masonry surface. Sometimes, workers even forget to place the tie bars during construction. Placed tie bars usually require bending both ends to hook onto the wire mesh, thus requiring a semi-finished tie bar processing step. However, this semi-finished processing step is often not feasible on the construction site. Directly pre-embedding the tie bars results in them not being able to hook onto the wire mesh or galvanized welded wire mesh securely, leading to quality problems such as cracking during later plastering.
[0003] Therefore, whether or not pre-embedded tie bars are placed will affect the construction process, leading to inconvenience and quality issues. To address this, this application provides a low-cost, easily movable, and securely fixed post-installed pre-embedded tie bar. Utility Model Content
[0004] The purpose of this utility model embodiment is to provide a post-installed pre-embedded tie bar, which aims to solve the problems of construction quality and inconvenience in the pre-embedded tie bar of the infill wall in the above-mentioned background art.
[0005] This utility model embodiment is implemented as follows: a post-installed pre-embedded tie bar includes a slotted tie bar, a perforated clip, and a wire mesh clip;
[0006] The two ends of the card slot tie are provided with card slots, and fixing clips are arranged in the card slots;
[0007] The perforated clips are installed on the fixing clips at both ends of the clip groove tie rod;
[0008] The wire mesh clip is inserted between the wire mesh or galvanized welded wire mesh and the perforated clip to facilitate fixing the wire mesh or galvanized welded wire mesh to the infill wall;
[0009] Among them, the perforated clip utilizes the lever principle, with the fixed clip as the fulcrum and the clip groove as the resistance point. When placed upright, it is balanced with the clip groove tie at the same horizontal plane; when placed in reverse, the force imbalance of the perforated clip automatically adjusts the state of the perforated clip.
[0010] Preferably, the groove brace is made from brace material with a diameter of 6mm.
[0011] Preferably, the perforated clip has a cross-sectional diameter of 4mm and a length of 30mm, and the hole is located at 2 / 3 or 1 / 3 of the length of the perforated clip.
[0012] Preferably, the wire mesh card is cut from wire mesh, and the cut mesh is more than 1 grid.
[0013] Preferably, the length of the post-installed pre-embedded tie bar is determined by the autoclaved aerated concrete block module + 60mm.
[0014] The post-installed pre-embedded tie rod provided in this embodiment of the utility model has the following beneficial effects:
[0015] High adaptability: Post-installed pre-embedded tie bars are suitable for autoclaved aerated concrete block infill walls with different modules;
[0016] Good fixation effect: The post-installed pre-embedded tie rods are fixed to the wire mesh or galvanized welded wire mesh by squeezing with wire mesh clips and perforated nails;
[0017] Low cost: It can be made directly from tie rods, which are readily available and easy to obtain. Tie rods can also be purchased in bulk for production.
[0018] Product standardization: Post-installed pre-embedded tie bars are mass-produced under a strict quality management system throughout the entire process, and have universality;
[0019] Simple production: After making the post-embedded tie rod model with heat-resistant material, molten steel can be poured directly into the model for mass production, and the perforated clips can be installed.
[0020] Lightweight: The weight of each post-installed pre-embedded tie rod varies from 0.4kg to 0.8kg depending on the module.
[0021] Easy to move: The post-installed pre-embedded tie bars are lightweight, and one person can move several dozen of them. After being bagged, they can be transported manually or by vehicle. Moreover, due to their small size, they occupy very little space on the construction site. Attached Figure Description
[0022] Figure 1 A front view of a post-installed pre-embedded tie bar provided for an embodiment of this utility model;
[0023] Figure 2 A side view of a post-installed pre-embedded tie bar provided for an embodiment of this utility model;
[0024] Figure 3 A top view of a post-installed pre-embedded tie bar provided for an embodiment of this utility model;
[0025] Figure 4 A three-dimensional structural diagram of a post-installed pre-embedded tie bar provided for an embodiment of this utility model;
[0026] In the attached diagram: 1-Card slot tie; 2-Hole clip with hole; 3-Wire mesh clip. Detailed Implementation
[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0028] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.
[0029] like Figures 1-4 The diagram shown illustrates a structural design of a post-installed pre-embedded tie bar according to an embodiment of this utility model. The tie bar includes a slotted tie bar 1, perforated clips 2, and a wire mesh clip 3. The slotted tie bar 1 has slots at both ends, with fixing clips arranged within these slots. The perforated clips 2 are installed on the fixing clips at both ends of the slotted tie bar 1. The wire mesh clip 3 is inserted between the wire mesh or galvanized welded wire mesh and the perforated clips 2 to secure the wire mesh or galvanized welded wire mesh to the infill wall. The perforated clips 2 utilize a lever principle, with the fixing clips as fulcrums and the slots as resistance points. When placed upright, they are balanced with the slotted tie bar 1 at the same horizontal plane. When placed in reverse, the force of the perforated clips 2 becomes unbalanced, automatically adjusting the state of the perforated clips 2.
[0030] The post-installed pre-embedded tie bar provided in this application can not only avoid problems such as incomplete mortar joints and difficulty in smoothing mortar on the surface of masonry blocks caused by pre-embedded tie bars during masonry construction, but also avoid problems such as the wire mesh not being able to hook due to forgetting to pre-embed tie bars or the pre-embedded tie bars being too large, which may pose hidden dangers to the quality of subsequent plastering.
[0031] In one embodiment of this utility model, the length of the post-installed pre-embedded tie bar is determined by the module of the autoclaved aerated concrete block + 60m, and is generally 160mm, 180mm, 185mm, 210mm, 240mm, 260mm, 300mm, 310mm, or 360mm.
[0032] like Figure 1 and Figure 4 As shown, in a preferred embodiment of this utility model, the slot brace 1 is made of brace with a diameter of 6mm.
[0033] In one embodiment of this utility model, the perforated clip 2 has a cross-sectional diameter of 4mm and a length of 30mm. The hole is located at 2 / 3 or 1 / 3 of the perforated clip 2. The wire mesh clip 3 is cut from wire mesh, and the cut mesh is more than 1 grid.
[0034] In summary, the construction process includes the following steps:
[0035] (1) Use an electric drill to drill holes in the autoclaved aerated concrete block filling wall that can accommodate a 6mm diameter tie rod;
[0036] (2) After drilling is completed, insert the post-embedded tie rods into the hole.
[0037] (3) Rotate 180°, and the pin with the hole 2 will become vertical due to its own weight;
[0038] (4) Insert the wire mesh clip 3 between the perforated clip 2 and the wire mesh or galvanized welded wire mesh. After it is locked, the slurry can be applied, inspected, and then proceed to the next step.
[0039] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.
[0040] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A type of post-installed pre-embedded tie bar, characterized in that, This includes card slot bracing, perforated clips, and wire mesh clips; The two ends of the card slot tie are provided with card slots, and fixing clips are arranged in the card slots; The perforated clips are installed on the fixing clips at both ends of the clip groove tie rod; The wire mesh clip is inserted between the wire mesh or galvanized welded wire mesh and the perforated clip to facilitate fixing the wire mesh or galvanized welded wire mesh to the infill wall; Among them, the perforated clip utilizes the lever principle, with the fixed clip as the fulcrum and the clip groove as the resistance point. When placed upright, it is balanced with the clip groove tie at the same horizontal plane; when placed in reverse, the force imbalance of the perforated clip automatically adjusts the state of the perforated clip.
2. The post-installed pre-embedded tie bar according to claim 1, characterized in that, The slot brace is made from brace material with a diameter of 6mm.
3. The post-installed pre-embedded tie bar according to claim 1, characterized in that, The perforated clip has a cross-sectional diameter of 4mm and a length of 30mm, with the hole located at 2 / 3 or 1 / 3 of the clip's length.
4. The post-installed pre-embedded tie bar according to claim 1, characterized in that, The wire mesh card is cut from wire mesh, and the cut mesh has more than one grid.
5. The post-installed pre-embedded tie bar according to claim 1, characterized in that, The length of the post-installed pre-embedded tie bar is determined by the module of the autoclaved aerated concrete block + 60mm.