Sunken anti-cracking drawing double-slot separation strip

By using a recessed, crack-resistant, wire-drawing double-groove separator design, and utilizing a U-shaped base plate and an L-shaped connecting bridge with a double-groove structure, the problems of easy deformation and breakage of the separator and insufficient pre-embedding depth are solved, thus improving both stability and aesthetics.

CN224549559UActive Publication Date: 2026-07-24QINGDAO JIELIYANGYANG NEW TYPE BUILDING MATERIAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO JIELIYANGYANG NEW TYPE BUILDING MATERIAL
Filing Date
2025-09-03
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

The existing partition strips are not stable enough, are prone to deformation and breakage, have shallow embedment depth and are easy to fall off, have a short service life, affect the aesthetics of the wall and pose potential quality risks.

Method used

The design features a recessed, crack-resistant, double-groove partition strip, including a U-shaped base plate, a fixing plate, and a connecting bridge. Multiple sets of fixing holes are pre-embedded in the mortar. Combined with the L-shaped connecting bridge and the double groove structure, it decomposes the wall stress and enhances stability and fit.

Benefits of technology

It improves the durability of the partition strip, reduces the risk of deformation and detachment, ensures the stability and aesthetics of the wall, and effectively prevents hollowing and detachment.

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Abstract

The utility model relates to the technical field of building material, especially sinking formula prevents cracking and draws the double -groove separation strip of wire drawing, structure is more stable, and deformation break is not easy, and the durability is good, and the wall body is more closely bonded, and the small risk of falling off, and have the appearance, including U type bottom plate, fixed plate and connecting bridge, the connecting bridge is provided with two groups, two groups of connecting bridges are fixed on the inner surface of U type bottom plate two sides respectively, two groups of connecting bridges are symmetrically distributed, and one end of two groups of connecting bridges close to U type bottom plate center forms first recess with the bottom edge of U type bottom plate, and the upper portion of U type bottom plate two sides forms second recess with two groups of connecting bridges, the fixed plate is provided with two groups, and two groups of fixed plates are fixed on the outer surface of U type bottom plate two sides respectively, and the height of two groups of fixed plates is greater than the height of two groups of connecting bridges, and a plurality of fixed holes are arranged on the top of two groups of fixed plates.
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Description

Technical Field

[0001] This utility model relates to the technical field of building materials, and in particular to a sunken anti-cracking wire-drawing double-groove separator strip. Background Technology

[0002] As is well known, during large-area wall construction, especially gable walls, without boundary joints, the wall stress cannot be released, making the wall surface prone to cracking. In severe cases, this can lead to situations where repairs are impossible or rework is not feasible, or rework is costly and time-consuming, resulting in a waste of time and materials, an unsightly facade, and significant quality risks during future use. Dividing strips are typically used on the exterior facade of buildings. By embedding and fixing the dividing strips to the wall, stress can be distributed, improving cracking and preventing the risk of hollowing and detachment. Existing dividing strips are usually single-groove structures, which lack stability and may deform or break after long-term use due to absorbing wall stress, resulting in a short service life. Replacing with new dividing strips is very troublesome, so durability must be considered. Currently, the embedding depth of dividing strips during installation is relatively shallow, posing a risk of detachment after long-term use, thus limiting their practicality. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a recessed, crack-resistant, double-groove partition strip that is structurally more stable, less prone to deformation and breakage, more durable, fits more closely to the wall, has a lower risk of falling off, and is also aesthetically pleasing.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a sunken anti-cracking wire-drawing double-groove separator strip, characterized in that it includes a U-shaped base plate, a fixing plate, and connecting bridges. Two sets of connecting bridges are provided, each fixed to the inner surface of both sides of the U-shaped base plate. The two sets of connecting bridges are symmetrically distributed. The ends of the two sets of connecting bridges near the center of the U-shaped base plate form a first groove with the bottom edge of the U-shaped base plate. The upper parts of both sides of the U-shaped base plate form a second groove with the two sets of connecting bridges. Two sets of fixing plates are provided, each fixed to the outer surface of both sides of the U-shaped base plate. The height of the two sets of fixing plates is greater than the height of the two sets of connecting bridges. Multiple sets of fixing holes are provided at the top of each set of fixing plates.

[0007] Preferably, the two sets of connecting bridges are L-shaped, with their two ends fixedly connected to the bottom inner surface and the inner surfaces of the two sides of the U-shaped base plate, respectively.

[0008] Preferably, the depth of both the first groove and the second groove is 0.6 cm.

[0009] Preferably, the distance between the two sets of fixing plates and the top of the U-shaped base plate is 0.3cm.

[0010] Preferably, the bottom ends of both the first groove and the second groove are provided with reinforcing ribs.

[0011] (III) Beneficial Effects

[0012] Compared with the prior art, this utility model provides a recessed anti-cracking wire-drawing double-groove partition strip, which has the following beneficial effects: During installation, the bottom end of the U-shaped base plate is tightly attached to the wall, and two sets of fixing plates are pre-embedded in mortar. The mortar passes through multiple fixing holes, serving to position and enhance stability. Then, by evenly applying adhesive to the fixing plates, the partition strip is fixed to the wall, effectively separating the outer wall surface and buffering wall stress. The first groove and the second groove are located between the upper and lower walls, dispersing wall stress through the first and second grooves. The first groove is relatively opposite to the second groove. The U-shaped base plate extends deeper into the wall, and the two sets of L-shaped connecting bridge structures make the first groove more stable, less prone to large deformation or breakage. The appropriate deformation of the first and second grooves buffers the stress on the wall. Because there are two grooves, the extension of the partition strip from the outer wall surface to the inner side is relatively large, thus ensuring the fit and stability between the partition strip and the wall. This effectively prevents the wall from becoming hollow and falling off. The highest point of the U-shaped base plate is 0.3cm away from the fixing plate, which allows for better control of thickness and flatness during plastering. The highest point of the U-shaped base plate is slightly exposed, which does not affect the aesthetics after installation. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0014] Figure 2 This is a front view structural diagram of the present invention;

[0015] The attached diagram is labeled as follows: 1. U-shaped base plate; 2. Fixing plate; 3. Connecting bridge; 4. First groove; 5. Second groove; 6. Fixing hole; 7. Reinforcing rib. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-2This utility model provides a technical solution: a sunken anti-cracking wire-drawing double-groove separator strip, characterized in that it includes a U-shaped base plate 1, a fixing plate 2, and a connecting bridge 3. The connecting bridge 3 is provided in two sets, and the two sets of connecting bridge 3 are respectively fixed on the inner surfaces of both sides of the U-shaped base plate 1. The two sets of connecting bridge 3 are symmetrically distributed. The end of the two sets of connecting bridge 3 near the center of the U-shaped base plate 1 forms a first groove 4 with the bottom edge of the U-shaped base plate 1. The upper parts of both sides of the U-shaped base plate 1 form a second groove 5 with the two sets of connecting bridge 3. The fixing plate 2 is provided in two sets, and the two sets of fixing plates 2 are respectively fixed on the outer surfaces of both sides of the U-shaped base plate 1. The height of the two sets of fixing plates 2 is greater than the height of the two sets of connecting bridge 3. The top of each set of fixing plates 2 is provided with multiple sets of fixing holes 6.

[0018] Specifically, during installation, the bottom of the U-shaped base plate 1 is tightly attached to the wall, and two sets of fixing plates 2 are pre-embedded in mortar. The mortar passes through multiple sets of fixing holes 6, which serve to position the strip and enhance its stability. Then, by evenly applying adhesive to the fixing plates 2, the partition strip is fixed to the wall, which serves to separate the outer wall surface and buffer the wall stress. The first groove 4 and the second groove 5 are located between the upper and lower walls. The first groove 4 and the second groove 5 are used to decompose the wall stress. The first groove 4 is deeper into the wall than the second groove 5. The appropriate deformation of the first groove 4 and the second groove 5 buffers the wall stress. Because there are two grooves, the extension of the partition strip from the outer wall surface to the inner side is relatively large, thereby ensuring the fit and stability between the partition strip and the wall.

[0019] In this utility model, the two sets of connecting bridges 3 are L-shaped, and their two ends are fixedly connected to the bottom inner surface and the inner surfaces of the two sides of the U-shaped base plate 1, respectively.

[0020] Specifically, the two sets of L-shaped connecting bridges 3 make the first groove 4 more stable and less prone to large deformation or breakage.

[0021] In this invention, the groove depth of both the first groove 4 and the second groove 5 is 0.6 cm.

[0022] In this utility model, the distance between the two sets of fixing plates 2 and the top of the U-shaped base plate 1 is 0.3cm.

[0023] Specifically, the highest point of the U-shaped base plate 1 is 0.3cm away from the fixed plate 2, which allows for better control of thickness and flatness during plastering. The highest point of the U-shaped base plate 1 is slightly exposed, which does not affect the aesthetics after installation.

[0024] In this invention, the bottom ends of the first groove 4 and the second groove 5 are both provided with reinforcing ribs 7.

[0025] In use, during installation, the bottom end of the U-shaped base plate 1 of the partition strip is tightly attached to the wall. Two sets of fixing plates 2 are pre-embedded in mortar, and the mortar passes through multiple sets of fixing holes 6, which serve to position the strip and enhance its stability. Then, by evenly applying adhesive to the fixing plates 2, the partition strip is fixed to the wall, effectively separating the exterior wall surface and buffering wall stress. The first groove 4 and the second groove 5 are located between the upper and lower walls, and the first groove 4 and the second groove 5 help to distribute the wall stress. The first groove 4 is deeper into the wall than the second groove 5. The two sets of L-shaped connecting... The bridge structure 3 makes the first groove 4 more stable and less prone to large deformation or breakage. The appropriate deformation of the first groove 4 and the second groove 5 buffers the stress on the wall. Because there are two grooves, the extension of the partition strip from the outer wall to the inner side is relatively large, thus ensuring the fit and stability between the partition strip and the wall. This effectively prevents the wall from becoming hollow and falling off. The highest point of the U-shaped base plate 1 is 0.3cm away from the fixing plate 2, which allows for better control of thickness and flatness during plastering. The highest point of the U-shaped base plate 1 is slightly exposed, which does not affect the aesthetics after installation.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

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

Claims

1. A recessed, anti-cracking, double-groove separator strip, characterized in that, The system includes a U-shaped base plate (1), a fixing plate (2), and a connecting bridge (3). The connecting bridge (3) is provided in two sets, and the two sets of connecting bridges (3) are respectively fixed on the inner surfaces of both sides of the U-shaped base plate (1). The two sets of connecting bridges (3) are symmetrically distributed. The two sets of connecting bridges (3) near the center of the U-shaped base plate (1) form a first groove (4) with the bottom edge of the U-shaped base plate (1). The upper parts of both sides of the U-shaped base plate (1) form a second groove (5) with the two sets of connecting bridges (3). The fixing plate (2) is provided in two sets, and the two sets of fixing plates (2) are respectively fixed on the outer surfaces of both sides of the U-shaped base plate (1). The height of the two sets of fixing plates (2) is greater than the height of the two sets of connecting bridges (3). The top of each set of fixing plates (2) is provided with multiple sets of fixing holes (6).

2. The sunken, anti-cracking, wire-drawing double-groove separator strip according to claim 1, characterized in that, The two sets of connecting bridges (3) are L-shaped, and their two ends are fixedly connected to the bottom inner surface and the inner surfaces of the two sides of the U-shaped base plate (1), respectively.

3. The sunken, anti-cracking, wire-drawing double-groove separator strip according to claim 2, characterized in that, The groove depth of the first groove (4) and the second groove (5) is 0.6 cm.

4. The sunken, anti-cracking, wire-drawing double-groove separator strip according to claim 3, characterized in that, The distance between the two sets of fixing plates (2) and the top of the U-shaped base plate (1) is 0.3cm.

5. The sunken, anti-cracking, wire-drawing double-groove separator strip according to claim 4, characterized in that, The bottom ends of the first groove (4) and the second groove (5) are provided with reinforcing ribs (7).