Adjustable building hole protection device
By using an adjustable building opening protection device with airbags and a length adjustment mechanism, the problems of adaptability and resource waste of opening protection devices are solved, and multiple uses and stable sealing effects are achieved.
Patent Information
- Application Number
- CN202520057027.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-10
AI Technical Summary
In existing building construction, the protective devices for reserved openings cannot adapt to different sizes, and are prone to damaging the walls, resulting in serious waste of resources and non-reusability.
An adjustable building opening protection device is adopted, which uses airbags and length adjustment mechanism to achieve sealing by inflating the airbags with gas. Combined with support plate and moving mechanism, stability is improved and it can adapt to openings of different sizes.
It effectively seals openings of different sizes, avoids damage to the wall, and can be reused multiple times, improving resource utilization and the applicability and stability of the device.
Smart Images

Figure CN223767199U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building construction technology, and in particular to an adjustable building opening protection device. Background Technology
[0002] During the construction of the main building structure, in order to facilitate the installation of subsequent pipes and related equipment inside the building, some small openings for installation will be reserved in the main building structure. Common small reserved openings include flue, air duct opening, balcony drainage opening, forced exhaust hole, air conditioner wall penetration hole, air conditioner drainage hole, etc. In order to prevent the openings from being blocked by foreign objects or foreign objects falling from the openings and injuring workers, the reserved openings generally need to be protected.
[0003] Current protective measures involve covering pre-reserved openings with wooden boards. However, these boards and other materials need to be cut on-site according to the size of the opening, and the cut formwork timber cannot accommodate openings of different sizes. Furthermore, these boards and other materials are often reinforced with cement nails, which can easily damage the concrete structure. After removal, these materials are often unusable and can only be disposed of as waste, resulting in resource waste. Therefore, an adjustable building opening protection device is proposed to address these issues. Utility Model Content
[0004] The technical problem to be solved by this utility model overcomes the existing defects and can effectively solve the problems in the background art.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0006] An adjustable building opening protection device includes a first airbag and a second airbag. A first fixing plate is fixedly connected to the inner side of the first airbag, and a second fixing plate is fixedly connected to the inner side of the second airbag. A length adjustment mechanism is provided between the first airbag and the second airbag. Support plates are fixedly connected to the inner sides of both ends of the second airbag, and a moving mechanism is provided at one end of the support plate.
[0007] Preferably, the length adjustment mechanism includes a second inner cylinder fixedly connected to a first fixed plate, the second inner cylinder fixedly connected to a first airbag, a sleeve spirally connected to the outer side of the second inner cylinder, the first inner cylinder spirally connected to the inner side of the other end of the sleeve, the first inner cylinder fixedly connected to the second fixed plate, the first inner cylinder fixedly connected to the second airbag, and the first inner cylinder penetrating the second airbag, a connecting cylinder spirally connected to the outer side of the other end of the first inner cylinder, and a one-way valve provided on the inner side of the connecting cylinder.
[0008] Preferably, the inner ends of the second inner cylinder located inside the first airbag are provided with first air outlets, and the inner ends of the first inner cylinder located inside the second airbag are provided with second air outlets.
[0009] Preferably, the air intake direction of the one-way valve is from the connecting cylinder into the inner side of the first inner cylinder.
[0010] Preferably, an end cap is spirally connected to the inner side of the other end of the connecting cylinder.
[0011] Preferably, the moving mechanism includes an adjusting plate fixedly connected to a support plate, and the adjusting plate is fixedly connected to a second airbag. A screw is spirally connected to the inner side of the adjusting plate. A bearing is fixedly connected to the outer side of one end of the screw. A fixed seat is fixedly connected to the outer side of the bearing, and the fixed seat is fixedly connected to a first inner cylinder. A guide rod is slidably connected to the inner side of the adjusting plate, and the guide rod is fixedly connected to the first inner cylinder. A handwheel is fixedly connected to the other end of the screw.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] 1. An adjustable building opening protection device, consisting of a sleeve, a first inner cylinder, a second inner cylinder, a first airbag, and a second airbag, involves inserting the first and second airbags into a pre-reserved opening in the wall. Gas is then injected into the inner sides of the first and second airbags, supporting them within the opening and sealing it. The first and second airbags can be used for openings of different diameters without damaging the wall and can be reused multiple times, saving resources. Furthermore, the mutual adjustment between the sleeve, the first inner cylinder, and the second inner cylinder allows for openings of different lengths, thus improving the device's versatility.
[0014] 2. Adjustable building opening protection device: Through the setting of guide rod, support plate, screw, and adjustment plate, the adjustment plate can be supported together with the support plate and the inner wall of the reserved opening under the action of the screw, thereby improving the stability of the device during operation and preventing the device from accidentally falling out of the reserved opening. Attached Figure Description
[0015] 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.
[0016] Figure 1 This is a schematic diagram of the overall structure of the adjustable building opening protection device of this utility model.
[0017] Figure 2This is a schematic diagram of the installation structure of the adjustable building opening protection device of this utility model.
[0018] Figure 3 This utility model relates to an adjustable building opening protection device. Figure 2 A schematic diagram of the structure at point A.
[0019] In the diagram: 1. Sleeve; 2. First inner cylinder; 3. Second inner cylinder; 4. First air outlet; 5. Second air outlet; 6. First fixing plate; 7. Second fixing plate; 8. First airbag; 9. Second airbag; 10. Bearing; 11. Guide rod; 12. Support plate; 13. Screw; 14. Adjusting plate; 15. Handwheel; 16. Connecting cylinder; 17. One-way valve; 18. End cap; 19. Fixing seat. Detailed Implementation
[0020] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual pictures. They should not be construed as limiting the present invention. In order to better illustrate the specific embodiments of the present invention, some parts in the drawings may be omitted, enlarged or reduced, and do not represent the actual product size. It is understandable for those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0021] To make the technical means, creative features, and achieved objectives and effects of this utility model easy to understand, it should be noted in the description of this utility model 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. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The utility model will be further described below in conjunction with specific embodiments.
[0022] Example
[0023] like Figure 1-3As shown, the adjustable building opening protection device includes a first airbag 8 and a second airbag 9. A first fixing plate 6 is fixedly connected to the inner side of the first airbag 8, and a second fixing plate 7 is fixedly connected to the inner side of the second airbag 9. A length adjustment mechanism is provided between the first airbag 8 and the second airbag 9. Support plates 12 are fixedly connected to the inner sides of both ends of the second airbag 9. A moving mechanism is provided at one end of the support plate 12. The first airbag 8 and the second airbag 9 are elastic airbags that will inflate after being inflated. The first airbag 8 and the second airbag 9 are inserted into the reserved opening in the wall, and then gas is inflated into the inner side of the first airbag 8 and the second airbag 9, so that the first airbag 8 and the second airbag 9 are supported in the reserved opening. The reserved opening is sealed by the first airbag 8 and the second airbag 9 without damaging the wall. They can also be reused multiple times, saving resources. Furthermore, the first airbag 8 and the second airbag 9 can be used for reserved openings of different diameters, which improves the practicality of this device.
[0024] As a further improvement to this utility model, such as Figure 1 and Figure 2 As shown, the length adjustment mechanism includes a second inner cylinder 3 fixedly connected to the first fixed plate 6, the second inner cylinder 3 fixedly connected to the first airbag 8, a sleeve 1 spirally connected to the outer side of the second inner cylinder 3, a first inner cylinder 2 spirally connected to the inner side of the other end of the sleeve 1, and the first inner cylinder 2 fixedly connected to the second fixed plate 7. The first inner cylinder 2 is fixedly connected to the second airbag 9, and the first inner cylinder 2 passes through the second airbag 9. A connecting cylinder 16 spirally connected to the outer side of the other end of the first inner cylinder 2, and a one-way valve 17 is provided on the inner side of the connecting cylinder 16. By adjusting the sleeve 1, the first inner cylinder 2 and the second inner cylinder 3, it can be used for reserved openings of different lengths, thereby improving the applicability of this device. Gas can be introduced into the inner side of the first inner cylinder 2 through the connecting cylinder 16 and the one-way valve 17. The gas can be introduced by blowing with the mouth or by pumping gas into the cylinder through an air pump. The operator can choose according to the actual needs.
[0025] As a further improvement to this utility model, such as Figure 2 As shown, the inner sides of both ends of the section of the second inner cylinder 3 located inside the first airbag 8 are provided with first air outlets 4, and the inner sides of both ends of the section of the first inner cylinder 2 located inside the second airbag 9 are provided with second air outlets 5. Gas can be introduced into the inner sides of the first airbag 8 and the second airbag 9 through the first air outlets 4 and the second air outlets 5 respectively.
[0026] As a further improvement to this utility model, such as Figure 2 As shown, the air intake direction of the one-way valve 17 is from the connecting cylinder 16 into the inner side of the first inner cylinder 2, which can ensure that the gas can smoothly enter the inner side of the first inner cylinder 2.
[0027] As a further improvement to this utility model, such as Figure 1 and Figure 2 As shown, the other end of the connecting cylinder 16 is spirally connected to an end cap 18. After the first airbag 8 and the second airbag 9 are filled with gas, the end cap 18 seals the connecting cylinder 16, further ensuring that the gas inside the first airbag 8 and the second airbag 9 will not escape through the first inner cylinder 2. When it is necessary to discharge the gas inside the first airbag 8 and the second airbag 9, the connecting cylinder 16 can be separated from the first inner cylinder 2.
[0028] As a further improvement to this utility model, such as Figure 1 and Figure 2 As shown, the moving mechanism includes an adjusting plate 14 fixedly connected to the support plate 12, and the adjusting plate 14 is fixedly connected to the second airbag 9. A screw 13 is spirally connected to the inner side of the adjusting plate 14. A bearing 10 is fixedly connected to the outer side of one end of the screw 13. A fixing seat 19 is fixedly connected to the outer side of the bearing 10, and the fixing seat 19 is fixedly connected to the first inner cylinder 2. A guide rod 11 is slidably connected to the inner side of the adjusting plate 14, and the guide rod 11 is fixedly connected to the first inner cylinder 2. A handwheel 15 is fixedly connected to the other end of the screw 13. Under the action of the screw 13, the adjusting plate 14 can support the support plate 12 together with the inner wall of the reserved opening, thereby improving the stability of the device during operation and preventing the device from accidentally falling out of the reserved opening.
[0029] Workflow: When sealing and protecting a pre-reserved opening, firstly, adjust the relationship between the sleeve 1, the first inner cylinder 2, and the second inner cylinder 3 according to the length of the pre-reserved opening. This allows the first airbag 8 and the second airbag 9 to seal both ends of the pre-reserved opening. Then, the first inner cylinder 2 and the second inner cylinder 3 rotate spirally inside the sleeve 1, changing the distance between the first airbag 8 and the second airbag 9 until the desired adjustment is achieved. Next, insert the first airbag 8 and the second airbag 9 into the pre-reserved opening. Then, the operator uses the handwheel 15 to rotate the screw 13 spirally inside the adjusting plate 14, causing the adjusting plate 14 to move along the guide rod 11. The support plate 12 and the corresponding second airbag 9 are tightly fitted to the inner wall of the reserved opening. The second support plate 12 limits the movement of the device, thereby improving the stability of the device during operation and preventing the device from accidentally falling out of the reserved opening. Then, the end cap 18 is removed, and gas is introduced into the inner side of the first inner cylinder 2 through the connecting cylinder 16 and the one-way valve 17. The gas enters the inner side of the first airbag 8 and the second airbag 9 through the first air outlet 4 and the second air outlet 5, respectively, so that the first airbag 8 and the second airbag 9 are supported in the reserved opening. The first airbag 8 and the second airbag 9 achieve the sealing and protection of the reserved opening.
[0030] The above are preferred embodiments of the present invention. The basic principles, main features, and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are only illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the scope of protection of the present invention. All such changes and modifications fall within the scope of protection of the present invention as defined by the appended claims and their equivalents.
Claims
1. Adjustable construction opening protection device comprising a first airbag (8) and a second airbag (9), characterized in that: The inner side of the first air bag (8) is fixedly connected with a first fixed plate (6), the inner side of the second air bag (9) is fixedly connected with a second fixed plate (7), a length adjusting mechanism is arranged between the first air bag (8) and the second air bag (9), the inner side of both ends of the second air bag (9) is fixedly connected with a support plate (12), and one end of the support plate (12) is provided with a moving mechanism.
2. An adjustable architectural opening guard according to claim 1, wherein: The length adjusting mechanism comprises a second inner cylinder (3) fixedly connected with the first fixed plate (6), the second inner cylinder (3) is fixedly connected with the first air bag (8), the outer side of the second inner cylinder (3) is spirally connected with a sleeve (1), the inner side of the other end of the sleeve (1) is spirally connected with a first inner cylinder (2), the first inner cylinder (2) is fixedly connected with the second fixed plate (7), the first inner cylinder (2) is fixedly connected with the second air bag (9), the first inner cylinder (2) penetrates through the second air bag (9), the outer side of the other end of the first inner cylinder (2) is spirally connected with a connecting cylinder (16), and the inner side of the connecting cylinder (16) is provided with a one-way valve (17).
3. An adjustable architectural opening guard according to claim 2, wherein: The inner side of one section of the second inner cylinder (3) in the first air bag (8) is provided with a first air outlet (4) at both ends, and the inner side of one section of the first inner cylinder (2) in the second air bag (9) is provided with a second air outlet (5) at both ends.
4. An adjustable architectural opening guard according to claim 2, wherein: The air inlet direction of the one-way valve (17) is from the connecting cylinder (16) to the inner side of the first inner cylinder (2).
5. An adjustable architectural opening guard according to claim 2, wherein: The other end of the connecting cylinder (16) is spirally connected with an end cover (18).
6. The adjustable architectural opening guard of claim 1, wherein: The moving mechanism comprises an adjusting plate (14) fixedly connected with the support plate (12) and fixedly connected with the second air bag (9), the inner side of the adjusting plate (14) is spirally connected with a screw rod (13), the outer side of one end of the screw rod (13) is fixedly connected with a bearing (10), the outer side of the bearing (10) is fixedly connected with a fixed seat (19), the fixed seat (19) is fixedly connected with the first inner cylinder (2), the inner side of the adjusting plate (14) is slidably connected with a guide rod (11), the guide rod (11) is fixedly connected with the first inner cylinder (2), and the other end of the screw rod (13) is fixedly connected with a hand wheel (15).