Ceiling corner with drainage groove
Patent Information
- Application Number
- CN202522359312.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-06
- Publication Date
- 2026-09-25
- Estimated Expiration
- 2035-11-06
AI Technical Summary
[0004]本实用新型的目的是提供一种天棚阴角处带排水槽变形缝,解决了现有技术中天棚变形缝渗漏处理方式长久易失效的技术问题
1.本申请将排水槽安装于变形缝的下方,通过压条进行限位和渗流水的导向,能够更好地保护天棚阴角区域。
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Figure CN224799798U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of ceiling expansion joint drainage components, and in particular to an expansion joint with a drainage groove at the inside corner of a ceiling. Background Technology
[0002] Building expansion joints come in various forms and shapes and are widely used in buildings. Expansion joints are where multiple systems, including the building structure, enclosure structure, interior and exterior decoration, and equipment pipelines, converge and are interrupted. The joints have complex construction, and the main structure often experiences complex displacements under loads, temperature changes, seismic forces, or foundation settlement, leading to leakage at the expansion joints. This results in difficult and costly repairs. The conventional function of ceiling expansion joints is to provide necessary buffering and release space for various deformations of the building structure itself; they do not effectively guide or drain leaking water.
[0003] The conventional solution for leaks in ceiling expansion joints is to apply sealant in combination with a separate installation method using exposed drainage channels or water guide plates. However, this method results in structural separation at the expansion joint, which is prone to failure over time, and the secondary work increases construction costs. Utility Model Content
[0004] The purpose of this invention is to provide a ceiling expansion joint with a drainage groove at the inside corner, which solves the technical problem that the existing ceiling expansion joint leakage treatment methods are prone to failure over a long period of time.
[0005] This application discloses a ceiling expansion joint with a drainage groove at the inside corner, installed on the wall below the ceiling expansion joint, including: A molding strip is attached to the wall surface. A drainage channel, wherein the top of one side of the drainage channel is located between the pressure strip and the wall, and the bottom of the drainage channel is connected to the wall; A drain outlet is provided at the bottom of the drainage channel; A downpipe is installed on the bottom side of the drainage trough and is connected to the drain outlet.
[0006] This application incorporates a pressure strip to limit the drainage channel and guide water flow into it; simultaneously, the bottom of the drainage channel connects to the wall, preventing water leakage and ensuring the stability of the entire structure.
[0007] Based on the above technical solution, the embodiments of this application can be further improved as follows: Furthermore, the drainage channel includes: Base; Two first water-retaining plates are respectively installed at both ends of the base; Two second water baffles are installed on both sides of the base, respectively. The height of the second water baffle is higher than that of the first water baffle. The beneficial effect of this step is that the water baffles can prevent water from overflowing, thereby ensuring safety.
[0008] Furthermore, a wing plate is installed on the top of the second water deflector located on the outer side. The advantage of this step is that the wing plate facilitates the subsequent assembly of other components.
[0009] Furthermore, the wing plate, the second water baffle, and the base are integrally formed, which facilitates processing.
[0010] Furthermore, a fixing corner strip is installed at the bottom of the drainage channel, and the fixing corner strip is connected to the wall. The beneficial effect of this step is that the fixing corner strip can achieve the stability of the drainage channel assembly.
[0011] Furthermore, expansion tubes and screws are installed on the pressure strip and the fixing corner strip, and screws are installed on the wing plate. The beneficial effect of this step is that the screws can ensure the stability after installation.
[0012] Furthermore, the pressure strip is an integrally molded part, and the pressure strip includes: The first segment is set vertically; The second segment is connected to the first segment, and the second segment forms a 155° angle with the first segment; The third segment is connected to the second segment, and the third segment forms a 155° angle with the second segment; The fixed corner strip is a right-angle piece.
[0013] Furthermore, the pressure strip and the fixing corner strip are made of stainless steel, and the beneficial effect of this step is to ensure the service life of the entire device.
[0014] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages: 1. This application installs the drainage channel below the expansion joint, and uses pressure strips to limit and guide the seepage water, which can better protect the inner corner area of the ceiling.
[0015] 2. This application solves the problems of cracking and misalignment caused by structural deformation, thermal expansion and contraction, or settlement in the corner area of the ceiling, as well as the problem of rainwater accumulation and leakage. It achieves reliable drainage and deformation control, effectively improves the water tightness, durability, and aesthetics of this area, reduces leakage risk and maintenance costs, simplifies the construction process, and optimizes construction efficiency, building aesthetics, and the economic benefits of the project throughout its entire life cycle. It belongs to the field of building engineering.
[0016] 3. This application combines deformation adaptability with efficient drainage function, which greatly improves the durability and safety of the building; at the same time, the integrated design of drainage channel and pressure strip in this application significantly reduces the thickness of the structural layer and saves building headroom; the modular components are easy to install, have low maintenance costs, and can adapt to complex roof and floor deformation requirements. Attached Figure Description
[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of a structural expansion joint with drainage groove at the inside corner of a ceiling, as described in specific embodiment 1 of this utility model; Figure 2 for Figure 1 Schematic diagram of the central drainage channel section; Figure 3 for Figure 2 Schematic diagram of the structure of the intermediate pressure bar; Figure label: 1-Pressure strip; 2-Wall surface; 3-Drainage channel; 4-Drain outlet; 5-Downpipe; 6-Fixing corner strip; 7-Expansion tube; 8-Screw; 101 - First paragraph; 102 - Second paragraph; 103 - Third paragraph; 301 - Base; 302 - First baffle; 303 - Second baffle; 304 - Wing plate. Detailed Implementation
[0019] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention. It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
[0020] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0021] To better understand the above technical solutions, the following will provide a detailed description of the technical solutions in conjunction with the accompanying drawings and specific embodiments.
[0022] Example 1: like Figure 1-3 As shown in the embodiment of this application, a ceiling expansion joint with drainage groove is disclosed. It is installed on the wall and is specifically designed for the ceiling corner area. It solves the problems of cracking and misalignment caused by structural deformation, thermal expansion and contraction or settlement, as well as rainwater accumulation and leakage in this area, and achieves reliable drainage and deformation control.
[0023] like Figure 1 As shown, the specific structure of this application is as follows, including: The pressure strip 1 is connected to the wall surface 2, which refers to the side wall surface under the ceiling, located below the expansion joint. The pressure strip 1 is used to limit the subsequent drainage channel and further ensure the stability of the limiting channel. During assembly, the pressure strip 1 is assembled through an expansion tube. The top of one side of the drainage channel 3 is located between the pressure strip 1 and the wall 2, and the bottom of the drainage channel 3 is connected to the wall 2. The drainage channel 3 is fixed to the wall 2 through the bottom and then limited by the pressure strip 1, thereby further ensuring the stability of the drainage channel 3 after assembly. Drainage outlet 4 is provided at the bottom of the drainage trough 3. This drainage outlet 4 is used for drainage. Meanwhile, pressure strip 1 is located on the outer side of the top of the drainage trough 3, which can guide the water flow and allow it to enter the interior of the drainage trough 3. The downpipe 5 is installed on the bottom side of the drainage trough 3 and is connected to the drain outlet 4. When water enters the drainage trough 3, it flows into the downpipe 5 through the drain outlet 4. The downpipe has a 5% slope within 50mm around the drain outlet, and the downpipe is 5mm larger than the drain outlet to ensure drainage effect.
[0024] like Figure 2 As shown, in order to improve the function of the drainage channel 3 in this application, the drainage channel 3 is designed to include: Base 301, which is used as a support component, can be a plate. At the same time, the drain outlet is 50mm away from both ends of the base, the base slopes from the middle to the drain outlets on both sides at a 3% angle. Two first water-blocking plates 302 are respectively installed at both ends of the base 301; Two second water baffles 303 are respectively installed on both sides of the base 301. The height of the second water baffles 303 is higher than that of the first water baffle 302. One of the second water baffles 303 is designed to fit with the wall and needs to extend between the pressure strip 1 and the wall 2. Therefore, the second water baffles 303 need to be designed with a certain height.
[0025] In order to facilitate the connection and cooperation between the drainage channel 3 and other components in this application, a wing plate 304 is installed on the top of the second water baffle 303 located on the outer side in this application. The wing plate 304 is used to connect with other components, and is located on the outer side so as not to affect the cooperation between the drainage channel 3 and the pressure strip 1.
[0026] Specifically, the wing plate 304, the second water baffle 303 and the base 301 are integrally formed and bent in one step, which facilitates processing.
[0027] In order to ensure the stability of the drainage channel installation, this application designs the drainage channel 3 with a fixing angle strip 6 installed at its bottom. The fixing angle strip 6 is connected to the wall 2, so as to achieve a fixed connection between the drainage channel 3 and the wall 2.
[0028] To ensure the stability of the connection between the various components, expansion tubes 7 and screws 8 are installed on the pressure strip 1 and the fixing corner strip 6 in this application, and screws 8 are installed on the wing plate 304, thus ensuring the stability of the connection.
[0029] Among them, such as Figure 3 As shown, the pressure strip 1 is an integrally formed part, and the pressure strip 1 includes: The first section 101 is set vertically, so that the leaked water enters the drainage trough 3; The second segment 102 is connected to the first segment 101, and the second segment 102 forms an angle of 155° with the first segment 101; The third segment 103 is connected to the second segment 102, and the third segment 103 and the second segment 102 form an angle of 155°. The fixed corner strip 6 is a right-angle piece.
[0030] The pressure strip 1 and the fixing corner strip 6 are made of stainless steel, which ensures the service life of this application.
[0031] Further explanation is provided regarding this application: This application mainly uses expansion tubes 7 and screws 8 to fix the pressure strip 1 to the exterior wall, fix one end of the drainage channel 3 to the ceiling, and place the other end inside the pressure strip 1. At the same time, a fixing corner strip 6 is installed at the bottom of the drainage channel 3 to achieve the supporting function.
[0032] Among them, the drainage trough 3, the downpipe 5, and the first baffle 302 are all made of 304 stainless steel with a wall thickness of 1.0mm. The base 301, the second baffle 303, and the wing plate 304 are integrated and manufactured in one piece. The pressure strip is made of 304 stainless steel with a wall thickness of 1.0mm. The cross-section is a zigzag pressure strip, which is composed of three straight segments. Each straight segment is 50mm long, with an inner bend angle of 155° and an outer bend angle of 205°. It is formed by bending a continuous stainless steel strip in one piece. The fixing corner strip 6 is made of 304 stainless steel with a wall thickness of 1.0mm. The cross-section is a standard right-angled L-shape, with the two wings intersecting perpendicularly at a 90° angle. It is formed by bending a continuous stainless steel strip in one piece. It has an equilateral design and a size of 40mm×40mm.
[0033] The expansion pipe 7 has a hollow cylindrical shell made of zinc-coated steel, with a notch at the front end and a flange at the rear end. The inner core is a wedge-shaped body that pushes the pipe to expand when inserted. It has an outer diameter of Ф8 and a length of 50mm. The screw 8 is a self-tapping screw made of carbon steel with a galvanized surface. It is 70mm long and uses ST3.5 thread specification and pitch.
[0034] The method of using this application includes the following steps: S1: Construction preparation: Measure the size of the expansion joint on site, and fabricate the drainage channel 3, pressure strip 1, and fixing corner strip 6 according to the size; clean the base layer to ensure that the surface is smooth and flat without unevenness, lay out the layout on the ceiling and side walls, use a chalk line to confirm the installation and fixing position of each component; S2: Installation of strip 1: According to the measured and laid-out position, drive expansion tubes 7 into the wall or beam, and fix strip 1 to the wall with self-tapping screws 8 and expansion tubes 7. Use neutral silicone sealant to seal the top and sides of the stainless steel strip 1 where it contacts the wall or beam. After the sealant is applied, apply a 1.5mm thick JS polymer cement waterproof coating on top to prevent rainwater from flowing out from the gap between strip 1 and the wall. The strip serves to guide the direction of water flow. After the coating is applied, proceed with the construction of the decorative surface layer. S3: Installation of drainage channel 3: According to the measured and laid-out position, drive expansion tubes 7 into the ceiling, and use self-tapping screws 8 and expansion tubes 7 to fix the wing plate 304 of drainage channel 3 to the ceiling. During installation, ensure that the lower end of the pressure strip 1 covers the outside of the second water baffle 303 and that its coverage width is not less than 50mm, so that the water seeping from the surface layer can flow into the drainage channel 3 along the pressure strip.
[0035] S4: Installation of the fixed corner strip 6: According to the measured and laid-out position, drive the expansion tube 7 into the wall or beam, fix the fixed corner strip 6 with the self-tapping screw 8 and the expansion tube 7, install it on the underside of the base 301, and use a flexible connection between the fixed corner strip 6 and the base 301, and put in a rubber gasket.
[0036] Numerous specific details are set forth in this specification. However, it will be understood that embodiments of this invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification. In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the 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 or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.
Claims
1. A ceiling expansion joint with a drainage groove at the inside corner, installed on the wall (2) below the ceiling expansion joint, characterized in that, include: A pressure strip (1) is connected to the wall surface (2); Drainage channel (3), the top of one side of the drainage channel (3) is located between the pressure strip (1) and the wall (2), and the bottom of the drainage channel (3) is connected to the wall (2); Drainage outlet (4) is located at the bottom of the drainage channel (3); The downpipe (5) is installed on the bottom side of the drainage trough (3) and the downpipe (5) is connected to the drain outlet (4).
2. The expansion joint with drainage groove at the inner corner of the ceiling as described in claim 1, characterized in that, The drainage channel (3) includes: Base (301); Two first baffle plates (302) are respectively installed at both ends of the base (301); Two second baffles (303) are respectively installed on both sides of the base (301), and the height of the second baffles (303) is higher than the height of the first baffle (302).
3. The expansion joint with drainage groove at the inner corner of the ceiling as described in claim 2, characterized in that, A wing plate (304) is installed on the top of the second water baffle (303) located on the outside.
4. The expansion joint with drainage groove at the inner corner of the ceiling as described in claim 3, characterized in that, The wing plate (304), the second water baffle (303), and the base (301) are integrally formed.
5. The expansion joint with drainage groove at the inner corner of the ceiling according to claim 3, characterized in that, A fixing corner strip (6) is installed at the bottom of the drainage channel (3), and the fixing corner strip (6) is connected to the wall (2).
6. The expansion joint with drainage groove at the inner corner of the ceiling according to claim 5, characterized in that, Expansion tubes (7) and screws (8) are installed on the pressure strip (1) and the fixed corner strip (6), and screws (8) are installed on the wing plate (304).
7. The expansion joint with drainage groove at the inner corner of the ceiling according to claim 6, characterized in that, The pressure strip (1) is an integrally formed part, and the pressure strip (1) includes: The first segment (101) is set vertically; The second segment (102) is connected to the first segment (101), and the second segment (102) forms an angle of 155° with the first segment (101); The third segment (103) is connected to the second segment (102), and the third segment (103) and the second segment (102) form an angle of 155°; The fixed corner strip (6) is a right-angle piece.
8. The expansion joint with drainage groove at the inner corner of the ceiling according to claim 6, characterized in that, The pressure strip (1) and the fixing corner strip (6) are made of stainless steel.