A portable sealing and coating device for exterior wall openings
The design of a portable exterior wall opening sealing and coating device solves the problem of uneven coating at exterior wall bolt openings, achieving uniform coating and aesthetic effect, while reducing material waste and the risk of water seepage.
Patent Information
- Application Number
- CN202510208418.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2045-02-25
AI Technical Summary
In existing technologies, uneven or excessive coating after sealing the bolt holes on the exterior wall leads to poor waterproofing, material waste, and pollution of the exterior wall.
A portable external wall opening sealing and coating device is designed, including a double-layer material chamber and a coating unit. By combining the material supply unit and the coating unit, waterproof coating can be applied evenly. The uniform distribution of the coating is ensured by the cooperation of the rubber stopper and the brush bristles.
It achieves uniform and dense coating at exterior wall openings, preventing rainwater penetration, saving materials, and improving waterproofing and aesthetics.
Smart Images

Figure CN119877885B_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the field of building construction technology, and in particular relates to a portable external wall opening sealing and coating device. Background Technology
[0002] With the vigorous development of the construction industry and the accelerated urbanization process, more and more high-rise buildings are springing up. However, after the removal of the wall supports for attached lifting scaffolding and cantilever scaffolding used in the construction of high-rise buildings, bolt holes are left, and the risk of water seepage in the exterior walls at these locations has been a persistent concern for many property owners.
[0003] For sealing bolt holes in exterior walls during actual engineering projects, the common method is to seal the bolt holes with sealing material, and then apply a layer of waterproof coating or waterproof mortar to the outside of the exterior wall. Because the coating is often applied directly to the outside of the exterior wall using a brush, if the amount applied is insufficient, it can easily lead to uneven and incomplete application of the waterproof coating (or waterproof mortar), thus failing to achieve the desired waterproofing effect. If too much is applied, it can easily result in material waste and contamination of the exterior wall.
[0004] Therefore, for painting after sealing the bolt holes on the exterior wall, it is necessary to use a more effective portable painting device. Summary of the Invention
[0005] The purpose of this application is to overcome the problems of the prior art by disclosing a portable exterior wall opening sealing and coating device. The structure of this portable exterior wall opening sealing and coating device can effectively handle the waterproof coating of the exterior wall surface, ensuring that the waterproof coating is uniform, dense and beautiful, and preventing rainwater from seeping into the exterior wall along the opening.
[0006] The objective of this application is achieved through the following technical solution:
[0007] A portable exterior wall opening sealing coating device, comprising: a double-layer material chamber, a material supply unit, and a coating unit;
[0008] The double-layer material cavity has a columnar structure, including a first cavity and a second cavity. The first cavity and the second cavity are coaxially arranged, and the first cavity is arranged around the outside of the second cavity.
[0009] The feeding unit is connected to the first cavity via an arc-shaped tube and is used to provide sealing material to the first cavity;
[0010] The application unit is disposed in the second cavity and can move along the axial direction of the second cavity;
[0011] The bottom of the first cavity is provided with several discharge ports facing the second cavity, which are used to transport the material in the first cavity to the bottom of the second cavity. The coating unit pushes the material output through the discharge ports to the opening of the exterior wall to be treated and completes the coating operation.
[0012] According to a preferred embodiment, the bottom end of the second cavity is provided with a funnel-shaped opening.
[0013] The walls of the second cavity from top to bottom are, in sequence, a first vertical cylindrical surface, a trumpet-shaped enlarged inclined surface, and a second vertical cylindrical surface;
[0014] The discharge port is located on the second vertical cylindrical surface.
[0015] According to a preferred embodiment, the application unit includes: a grip, a drive rod, and a rubber stopper.
[0016] The grip is located at one end of the transmission rod, and the rubber plug is located at the other end of the transmission rod;
[0017] The shape of the rubber stopper matches the flared opening at the bottom of the second cavity, and can control the opening and closing of the discharge port according to the different positions of the rubber stopper.
[0018] According to a preferred embodiment, when the rubber stopper is in close contact with the flared, enlarged slope, the discharge port can deliver material to the surface of the rubber stopper.
[0019] When the surface of the rubber stopper has received enough material, the corresponding material can be pushed to the opening in the exterior wall to be treated by gripping the disc.
[0020] According to a preferred embodiment, the surface of the rubber stopper is provided with a plurality of bristles for applying a coating to the opening in the exterior wall.
[0021] According to a preferred embodiment, the second cavity is provided with a cross-shaped fixing frame, and the transmission rod passes through the central ring of the cross-shaped fixing frame.
[0022] According to a preferred embodiment, the top of the double-layer material cavity is a solid barrel wall, the solid barrel wall is provided with an opening, and a barrel support is provided on the outer side of the solid barrel wall.
[0023] According to a preferred embodiment, the feeding unit includes: a hopper barrel, which is connected to a first cavity via an arc-shaped pipe; the arc-shaped pipe is provided with a valve body structure for controlling the conduction of the arc-shaped pipe.
[0024] According to a preferred embodiment, the feeding unit further includes a rubber airbag, and the top of the hopper is provided with a metal cap. The rubber airbag is connected to an opening in the metal cap via a rubber tube.
[0025] By squeezing the rubber air bladder, the material in the hopper is pumped out, and under air pressure, the material is output through the outlet.
[0026] According to a preferred embodiment, the valve body structure disposed on the arc-shaped pipe includes: a valve retainer base, bolts, and an interface plate.
[0027] The arc-shaped tube passes through the valve base, the interface plate can be inserted and removed within the valve base, and the flow cross section of the arc-shaped tube is controlled by the insertion depth. The bolt is used to fix the position of the interface plate.
[0028] The interface plate can change the effective inner diameter of the arc-shaped tube by its cross-sectional position, thereby controlling the filling speed of the hopper and preventing material backflow during the actual operation.
[0029] The aforementioned main solution and its various further alternative solutions can be freely combined to form multiple solutions, all of which are solutions that can be adopted and are claimed in this application. Those skilled in the art, after understanding the solution of this application, will realize that there are many combinations based on the prior art and common general knowledge, all of which are technical solutions to be protected in this application, and will not be exhaustively listed here.
[0030] The beneficial effects of this application are: the structure of this portable exterior wall opening sealing and coating device can effectively handle the waterproof coating of the exterior wall surface, ensuring that the waterproof coating is uniform, dense and beautiful, and preventing rainwater from seeping into the exterior wall along the opening. Attached Figure Description
[0031] Figure 1 This is a cross-sectional view of the application without the transmission rod;
[0032] Figure 2 This is a cross-sectional view of the present application with a transmission rod;
[0033] Figure 3 This is a diagram of the transmission rod connection in this application;
[0034] Figure 4 This is an overall drawing of the valve clip in this application;
[0035] Figure 5 This is an overall drawing of the cross-shaped fixing bracket of this application;
[0036] Figure 6 This is an overall diagram of the device in this application;
[0037] Among them, 1-double-layer material chamber, 101-first chamber, 102-second chamber, 102a-first vertical cylindrical surface, 102b-flare-shaped enlarged inclined surface, 102c-second vertical cylindrical surface, 2-solid barrel wall, 3-handle plate, 4-transmission rod, 5-rubber plug, 6-brush bristles, 7-barrel support, 8-cross fixing frame, 9-hopper barrel, 10-valve base, 11-bolt, 12-interface plate, 13-discharge port, 14-arc tube, 15-metal cap, 16-rubber tube, 17-rubber airbag. Detailed Implementation
[0038] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. This application can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be noted that, unless otherwise specified, the following embodiments and features in the embodiments can be combined with each other.
[0039] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0040] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0041] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0042] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0043] Furthermore, it should be noted that unless otherwise specified in this application, the specific structures, connections, positions, power sources, etc. involved are all things that a person skilled in the art can know without creative effort based on the prior art.
[0044] refer to Figures 1 to 6 As shown in the figure, a portable exterior wall opening sealing coating device is provided. The portable exterior wall opening sealing coating device includes: a double-layer material chamber 1, a material supply unit, and a coating unit.
[0045] Preferably, the double-layer material cavity 1 has a columnar structure, including a first cavity 101 and a second cavity 102. The first cavity 101 and the second cavity 102 are coaxially arranged, and the first cavity 101 is arranged around the outside of the second cavity 102.
[0046] The feeding unit is connected to the first cavity 101 via the arc-shaped tube 14 and is used to provide the first cavity 101 with sealing materials (waterproof coating, waterproof mortar, etc.).
[0047] The application unit is disposed within the second cavity 102 and can move along the axial direction of the second cavity 102.
[0048] The bottom end of the first cavity 101 is provided with a plurality of discharge ports 13 facing the second cavity 102, which are used to transport the material in the first cavity 101 to the bottom end of the second cavity 102. The coating unit pushes the material output through the discharge ports 13 to the opening of the exterior wall to be treated and completes the coating operation.
[0049] Preferably, the bottom end of the second cavity 102 is provided with a trumpet-shaped opening, and the wall surface of the second cavity 102 from the top end to the bottom end is, in sequence, a first vertical cylindrical surface 102a, a trumpet-shaped enlarged inclined surface 102b, and a second vertical cylindrical surface 102c; the discharge port 13 is disposed on the second vertical cylindrical surface 102c.
[0050] Preferably, the coating unit includes: a gripping disc 3, a transmission rod 4, and a rubber stopper 5. The gripping disc 3 is disposed at one end of the transmission rod 4, and the rubber stopper 5 is disposed at the other end of the transmission rod 4. The shape of the rubber stopper 5 matches the trumpet-shaped opening at the bottom of the second cavity 102, and can control the opening and closing of the discharge port 13 according to the different positions of the rubber stopper 5.
[0051] Furthermore, when the rubber plug 5 is in close contact with the flared enlarged inclined surface 102b, the discharge port 13 can deliver material to the surface of the rubber plug 5. When the surface of the rubber plug 5 has received enough material, the corresponding material can be pushed to the opening of the outer wall to be processed by the gripping disc 3.
[0052] Furthermore, the surface of the rubber stopper 5 is provided with several bristles 6 for applying a coating to the opening in the exterior wall. By rotating the handle 3, the bristles 6 apply a waterproof coating to the surface of the opening in the exterior wall, ensuring even application and forming a pie-shaped pattern, which is both aesthetically pleasing and material-saving. Furthermore, when the handle 3 is rotated so that the bristles 6 extend out of the first cavity 101, the cylindrical side 501 at the bottom of the rubber stopper 5 seals the outlet 13.
[0053] Preferably, a cross-shaped fixing frame 8 is provided inside the second cavity 102, and the transmission rod 4 passes through the central ring of the cross-shaped fixing frame 8. One end of the cross-shaped fixing frame 8 is connected to the inner wall of the device, and the other end is connected to the outer side of the central ring. The inner diameter of the central ring is slightly larger than the outer diameter of the transmission rod 4, ensuring that the transmission rod 4 can pass freely through the ring, thereby ensuring that the entire transmission rod 4 is vertical.
[0054] Preferably, the top of the double-layer material cavity 1 is a solid barrel wall 2, and the solid barrel wall 2 has openings. Specifically, the solid barrel wall 2 has four elliptical openings around its perimeter, which reduces weight and facilitates carrying and use. Furthermore, a barrel support 7 is provided on the outer side of the solid barrel wall 2. The entire barrel support 7 has an arc-shaped structure and can be used to lift the entire device. During the painting process at the opening in the exterior wall, the operator can use the barrel support 7 to place the entire device horizontally and tightly against the opening in the exterior wall to achieve painting at the opening.
[0055] Preferably, the feeding unit includes: a hopper 9, which is connected to the first cavity 101 via an arc-shaped pipe 14; the arc-shaped pipe 14 is provided with a valve structure for controlling the conduction of the arc-shaped pipe 14.
[0056] Preferably, the feeding unit further includes a rubber airbag 17, and the top of the hopper 9 is provided with a metal cap 15. The rubber airbag 17 is connected to the opening on the metal cap 15 via a rubber tube 16, forming a simple pressurization system to facilitate the discharge of waterproof mortar (waterproof coating) from the cavity through the discharge port 13. For example, by squeezing the rubber airbag 17, the material in the hopper 9 is pumped out, and the material is output through the discharge port 13 under air pressure.
[0057] Preferably, the valve body structure disposed on the arc-shaped tube 14 includes: a valve base 10, a bolt 11, and an interface plate 12. The arc-shaped tube 14 is disposed through the valve base 10. The interface plate can be inserted and removed within the valve base 10, and the flow cross section of the arc-shaped tube 14 is controlled by the insertion depth. The bolt 11 is used to fix the position of the interface plate. The interface plate 12 can change the effective inner diameter of the arc-shaped tube 14 by its cross-sectional position, thereby controlling the filling speed of the hopper 9 and preventing material backflow during formal operation.
[0058] During construction, after the external wall opening is filled with sealing material, the prepared waterproof coating (waterproof mortar) is poured into the hopper bucket 9 and the interface plate 12 is opened, allowing the coating to be filled into the first cavity 101. The interface plate 12 is then closed. The entire device is held horizontally and attached to the external wall opening using the bucket support 7. Then, the handle 3 is rotated and gently pulled, lifting the bottom rubber plug away from the wall surface to expose the outlet 13. This allows the waterproof coating (waterproof mortar) to fully wet the brush bristles 6. The handle 3 is then rotated and pushed forward, causing the rubber plug 5 to seal the outlet 13. Simultaneously, during rotation, the brush bristles adhere tightly to the external wall opening, coating the wall surface, thus achieving uniform and aesthetically pleasing sealing of the external wall bolt opening, while also saving material. The entire process is relatively simple, and the device is easy to carry. It not only effectively saves waterproof coating (waterproof mortar) but also ensures uniform and aesthetically pleasing coating of the external wall bolt opening, achieving a better sealing effect and reducing the risk of future water seepage.
[0059] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. A portable device for sealing and coating openings in exterior walls, characterized in that, The portable external wall opening sealing and coating device includes: a double-layer material chamber (1), a material supply unit, and a coating unit; The double-layer material cavity (1) is a columnar structure, including a first cavity (101) and a second cavity (102). The first cavity (101) and the second cavity (102) are coaxially arranged, and the first cavity (101) is arranged around the outside of the second cavity (102). The feeding unit is connected to the first cavity (101) via an arc-shaped tube (14) and is used to provide sealing material to the first cavity (101); The application unit is disposed in the second cavity (102) and can move along the axial direction of the second cavity (102); The bottom end of the first cavity (101) is provided with a plurality of discharge ports (13) facing the second cavity (102) for conveying the material in the first cavity (101) to the bottom end of the second cavity (102). The coating unit pushes the material output through the discharge ports (13) to the opening of the outer wall to be treated and completes the coating operation. The bottom end of the second cavity (102) is provided with a trumpet-shaped opening. The second cavity (102) has the following wall surfaces from top to bottom: a first vertical cylindrical surface (102a), a trumpet-shaped enlarged inclined surface (102b), and a second vertical cylindrical surface (102c). The discharge port (13) is located on the second vertical cylindrical surface (102c); The application unit includes: a grip (3), a transmission rod (4), and a rubber stopper (5). The grip (3) is located at one end of the transmission rod (4), and the rubber plug (5) is located at the other end of the transmission rod (4). The shape of the rubber stopper (5) matches the flared opening at the bottom of the second cavity (102), and can control the opening and closing of the discharge port (13) according to the different positions of the rubber stopper (5). When the rubber stopper (5) is in close contact with the flared enlarged inclined surface (102b), the discharge port (13) can convey material to the surface of the rubber stopper (5). When enough material has been received on the surface of the rubber stopper (5), the corresponding material can be pushed to the opening of the outer wall to be treated by the grip plate (3).
2. The portable exterior wall opening sealing and coating device as described in claim 1, characterized in that, The surface of the rubber stopper (5) is provided with several bristles (6) for applying a coating to the opening in the exterior wall.
3. The portable exterior wall opening sealing and coating device as described in claim 1, characterized in that, The second cavity (102) is provided with a cross-shaped fixing frame (8), and the transmission rod (4) passes through the central ring of the cross-shaped fixing frame (8).
4. The portable exterior wall opening sealing and coating device as described in claim 1, characterized in that, The top of the double-layer material cavity (1) is a solid barrel wall (2), the solid barrel wall (2) is provided with an opening, and a barrel support (7) is provided on the outside of the solid barrel wall (2).
5. The portable exterior wall opening sealing and coating device as described in claim 1, characterized in that, The feeding unit includes: a hopper (9), which is connected to the first cavity (101) via an arc-shaped pipe (14); the arc-shaped pipe (14) is provided with a valve body structure for controlling the conduction of the arc-shaped pipe (14).
6. The portable exterior wall opening sealing and coating device as described in claim 5, characterized in that, The feeding unit also includes a rubber airbag (17), and the top of the hopper (9) is provided with a metal cap (15). The rubber airbag (17) is connected to the opening on the metal cap (15) via a rubber tube (16). By squeezing the rubber air bladder (17), the material in the hopper (9) is pumped out and the material is output through the outlet under air pressure.
7. The portable exterior wall opening sealing and coating device as described in claim 1, characterized in that, The valve body structure installed on the arc-shaped tube (14) includes: valve base (10), bolt (11) and interface plate (12). The arc-shaped tube (14) is installed through the valve base (10). The interface plate (12) can be inserted and removed within the valve base (10). The flow section of the arc-shaped tube (14) is controlled by the insertion depth. The bolt (11) is used to fix the position of the interface plate (12). The interface plate (12) can change the effective inner diameter of the arc tube (14) by its cross-sectional position, thereby controlling the filling speed of the hopper (9) and preventing material backflow during the formal operation.
Citation Information
Patent Citations
Waterproof brushing method for screw hole of outer wall
CN119373291A
Brushing device for waterproof material for blocking outer wall screw hole
CN211736488U