Construction connecting joint of civil air defense protection wall and waterproof sleeve
By installing a protective sleeve on the surface of the waterproof sleeve and reinforcing the support frame, the problem of the weak connection between the civil defense protective wall and the waterproof sleeve was solved, achieving stable sealing and improved waterproof performance, while also enhancing the ability to resist shock waves.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG HENGFEI CONSTRUCTION ENGINEERING CO LTD
- Filing Date
- 2025-09-28
- Publication Date
- 2026-07-21
AI Technical Summary
In existing technologies, the connection between the civil defense protective wall and the waterproof sleeve is insufficient, which cannot effectively resist shock waves, causing water supply and drainage pipes to tilt when passing through the wall, affecting the airtightness and waterproof performance.
A protective sleeve is fitted onto the surface of the waterproof sleeve, and a supporting frame is formed by the central axial reinforcement, transverse reinforcement and diagonal bracing. Combined with transverse and vertical steel bars, a three-dimensional reinforcement structure is formed to enhance the airtightness and firmness of the joint.
It effectively prevents water supply and drainage pipes from tilting at the civil defense protective wall, improves waterproof performance, and can better resist external shock waves, enhancing the stability and airtightness of the connection.
Smart Images
Figure CN224533693U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of building construction technology, and in particular relates to a construction connection node between a civil defense protective wall and a waterproof sleeve. Background Technology
[0002] Civil defense protective walls are key enclosure structures in civil air defense projects. They are mostly made of reinforced concrete and can withstand the dynamic loads of conventional and nuclear weapon explosions, resist shock waves and debris, and have airtight and impermeable properties to ensure the safety of personnel and equipment during wartime. Waterproof sleeves are pre-embedded in the walls and floors to protect through pipes and prevent leakage from the surrounding area. The two are often used together.
[0003] In civil defense projects, water supply and drainage pipes need to be reliably connected where they pass through the civil defense protective wall. Currently, the fixing methods we use are insufficient and cannot withstand shock waves, threatening the protective function and internal safety of the civil defense project. Therefore, it is necessary to design a construction connection node between the civil defense protective wall and the waterproof sleeve, reinforce the surface of the construction connection node of the waterproof sleeve, enhance the airtightness and firmness of the node, effectively prevent the water supply and drainage pipes from tilting when passing through the civil defense protective wall, improve the waterproof performance of the civil defense project, and better resist external shock waves. Utility Model Content
[0004] The purpose of this utility model is to provide a construction connection node between a civil defense protective wall and a waterproof sleeve, which enhances the airtightness and firmness of the node, effectively prevents the water supply and drainage pipes from tilting when passing through the civil defense protective wall, improves the waterproof performance of civil defense projects, and better resists external shock waves, thereby solving the above-mentioned technical problems.
[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A construction connection node between a civil defense protective wall and a waterproof sleeve, comprising a waterproof sleeve set in the inner cavity of the civil defense protective wall, a pipe running through the inner cavity of the civil defense protective wall, a valve installed at the left end of the pipe, the waterproof sleeve being fitted on the surface of the pipe, a protective sleeve being fitted on the surface of the waterproof sleeve, support frames being provided on both the upper and lower sides of the protective sleeve, two symmetrical central axis ribs being fixedly connected at the central axis of the upper and lower sides of the protective sleeve, the ends of the two central axis ribs away from the protective sleeve being fixedly connected to the support frames, diagonal bracing ribs being provided on both the left and right sides of the central axis ribs, the two ends of the diagonal bracing ribs being fixedly connected to the support frames and the protective sleeve respectively, transverse support ribs being provided on the opposite side of the two support frames, the two transverse support ribs being embedded inside the civil defense protective wall, two symmetrical vertical steel bars being fixedly connected on the opposite side of the two transverse support ribs, the ends of the vertical steel bars away from the upper transverse support ribs being fixedly connected to the top of the support frames.
[0006] Preferably, the surface of the protective sleeve is fixedly connected to two symmetrical rectangular sleeves, and the upper and lower sides of the opposite side of the two rectangular sleeves are fixedly connected to two support frames.
[0007] Preferably, transverse bars are fixedly connected to both sides of the two central ribs, and the side of the transverse bars away from the central ribs is fixedly connected to the diagonal bracing bars.
[0008] Preferably, inclined steel bars are fixedly connected to both sides of the bottom of the transverse support bar, and the end of the inclined steel bar away from the transverse support bar is fixedly connected to both sides of the support frame.
[0009] Preferably, support ribs are fixedly connected to both sides of the top of the lower transverse support rib, and the end of the support rib away from the lower transverse support rib is fixedly connected to the bottom of the support frame.
[0010] Preferably, four reinforcing bars are fixedly connected to one side of the four vertical reinforcing bars, the ends of the two upper reinforcing bars away from the vertical reinforcing bars are fixedly connected to the diagonal reinforcing bars, and the ends of the two lower reinforcing bars away from the vertical reinforcing bars are fixedly connected to the supporting bars.
[0011] The beneficial effects of this utility model are: 1. This utility model places a protective sleeve on the surface of the waterproof sleeve. Through the combined use of the central rib, transverse rib and diagonal brace, the internal position of the support frame is reinforced and stabilized. Through the combination of the transverse support rib and vertical steel bar, the upper and lower sides of the support frame are fixed. Finally, the waterproof sleeve is installed firmly in the inner cavity of the civil defense protective wall, which can enhance the airtightness and firmness of the joint, effectively prevent the water supply and drainage pipes from tilting when passing through the civil defense protective wall, improve the waterproof performance of the civil defense project, and better resist external shock waves. 2. The rectangular sleeve in this invention secures the protective sleeve to the surface of the waterproof sleeve, ensuring a more stable position for the protective sleeve and improving the stability of the protection provided by the protective sleeve to the waterproof sleeve. 3. By setting up reinforcing bars, this utility model provides support and reinforcement for the connection of vertical bars, diagonal bars and supporting bars, making the three connection points more stable and preventing displacement, thus improving the stability of the connection between vertical bars, diagonal bars and supporting bars. Attached Figure Description
[0012] The advantages of the present invention in the above and / or other aspects will become clearer and more readily understood through the following detailed description taken in conjunction with the accompanying drawings, which are merely illustrative and do not limit the present invention, wherein: Figure 1This is a front view schematic diagram of one embodiment of the present utility model; Figure 2 This is a three-dimensional schematic diagram of a sleeve reinforcement structure according to an embodiment of the present invention; Figure 3 This is a three-dimensional schematic diagram of the transverse support bar and the inclined steel bar according to an embodiment of the present utility model; Figure 4 This is a three-dimensional schematic diagram of a rectangular sleeve and a support frame according to an embodiment of the present utility model; Figure 5 This is one embodiment of the present utility model. Figure 3 A magnified view of point A in the middle.
[0013] The attached diagram lists the components represented by each number as follows: 1. Civil defense protective wall, 2. Pipes, 3. Valves, 4. Waterproof sleeve, 5. Protective sleeve, 6. Rectangular sleeve, 7. Support frame, 8. Central reinforcement, 9. Horizontal reinforcement, 10. Diagonal bracing reinforcement, 11. Horizontal support reinforcement, 12. Vertical reinforcement, 13. Diagonal reinforcement, 14. Support reinforcement, 15. Reinforcing reinforcement. Detailed Implementation
[0014] In the following description, embodiments of the construction connection nodes of the civil defense protective wall and the waterproof sleeve of this utility model will be described with reference to the accompanying drawings.
[0015] Figure 1-5This invention illustrates a construction connection node between a civil defense protective wall and a waterproof sleeve according to an embodiment of the present invention. It includes a waterproof sleeve 4 disposed within the inner cavity of the civil defense protective wall 1. A pipe 2 penetrates the inner cavity of the civil defense protective wall 1, and a valve 3 is installed at the left end of the pipe 2. The waterproof sleeve 4 is fitted onto the surface of the pipe 2, and a protective sleeve 5 is fitted onto the surface of the waterproof sleeve 4. Two symmetrical rectangular sleeves 6 are fixedly connected to the surface of the protective sleeve 5. The upper and lower sides of one side of the two rectangular sleeves 6 facing each other are fixedly connected to two supporting frames 7. The rectangular sleeves 6 securely fasten the protective sleeve 5 onto the surface of the waterproof sleeve 4, ensuring the safety of the protective sleeve 5. The protective sleeve 5 provides a more secure protection for the waterproof sleeve 4, enhancing its stability. Support frames 7 are installed on both the upper and lower sides of the protective sleeve 5. Two symmetrical central ribs 8 are fixedly connected to the central axis of both sides of the protective sleeve 5. The ends of the two central ribs 8 furthest from the protective sleeve 5 are fixedly connected to the support frames 7. Diagonal bracing ribs 10 are installed on both sides of the central ribs 8, with their ends fixedly connected to the support frames 7 and the protective sleeve 5, respectively. Transverse ribs 9 are fixedly connected to both sides of the two central ribs 8, with the side of the transverse rib 9 furthest from the central rib 8 fixedly connected to the diagonal bracing ribs 10. The two support frames 7 are positioned opposite each other. Horizontal support ribs 11 are provided on one side, and both horizontal support ribs 11 are embedded inside the civil defense protective wall 1. Two symmetrical vertical steel bars 12 are fixedly connected to the opposite side of the two horizontal support ribs 11. The end of the vertical steel bar 12 away from the upper horizontal support rib 11 is fixedly connected to the top of the support frame 7. Diagonal steel bars 13 are fixedly connected to both sides of the bottom of the upper horizontal support rib 11. The end of the diagonal steel bar 13 away from the horizontal support rib 11 is fixedly connected to both sides of the support frame 7. Support ribs 14 are fixedly connected to both sides of the top of the lower horizontal support rib 11. The support ribs 14 are located away from the lower horizontal support rib 11. One end is fixedly connected to the bottom of the support frame 7. Four reinforcing bars 15 are fixedly connected to the opposite side of the four vertical steel bars 12. The ends of the two upper reinforcing bars 15 away from the vertical steel bars 12 are fixedly connected to the diagonal steel bars 13. The ends of the two lower reinforcing bars 15 away from the vertical steel bars 12 are fixedly connected to the support bars 14. By setting the reinforcing bars 15, the connection between the vertical steel bars 12, the diagonal steel bars 13 and the support bars 14 is supported and reinforced, making the three connection points more stable and preventing displacement, thus improving the stability of the connection between the vertical steel bars 12, the diagonal steel bars 13 and the support bars 14.
[0016] Working principle: When using this utility model, during construction, a waterproof sleeve 4 is first pre-installed inside the cavity of the civil defense protective wall 1. The pipe 2 passes through the wall and is inserted into the waterproof sleeve 4. A valve 3 is installed at the left end of the pipe 2. A protective sleeve 5 is fitted on the surface of the waterproof sleeve 4. Two symmetrical rectangular sleeves 6 are fixed to the protective sleeve 5. The upper and lower ends of the rectangular sleeves 6 facing each other are connected to the support frame 7. A central rib 8 is provided at the upper and lower central axis of the protective sleeve 5. The end away from the protective sleeve 5 is fixed to the support frame 7. Transverse ribs 9 are installed on the left and right sides of the central rib 8. The transverse ribs 9 are connected to the diagonal bracing ribs 10. The other end of the diagonal bracing ribs 10 is connected to the central rib 8. The support frame 7 is fixed to the wall. Horizontal support bars 11 are installed on the opposite side of the support frame 7 and embedded in the wall. Vertical steel bars 12 are fixed to the opposite side of the horizontal support bars 11. The bottom two sides of the upper horizontal support bars 11 are connected to diagonal steel bars 13, and their other ends are fixed to the two sides of the support frame 7. The top two sides of the lower horizontal support bars 11 are connected to support bars 14, and their other ends are fixed to the bottom of the support frame 7. Reinforcing bars 15 are installed on the opposite side of the vertical steel bars 12. The upper reinforcing bars 15 are connected to diagonal steel bars 13, and the lower reinforcing bars 14, forming a three-dimensional reinforcement to enhance the tightness and firmness of the joint.
[0017] In summary: At the connection point between the civil defense protective wall and the waterproof sleeve, the protective sleeve 5 is fitted over the surface of the waterproof sleeve 4. The combined use of the central axial reinforcement 8, horizontal reinforcement 9, and diagonal bracing 10 reinforces and stabilizes the internal structure of the supporting frame 7. The horizontal support reinforcement 11 and vertical reinforcement 12 fix the upper and lower sides of the supporting frame 7. Finally, the waterproof sleeve 4 is firmly installed within the inner cavity of the civil defense protective wall 1, thus enhancing the airtightness and stability of the connection point. This effectively prevents water supply and drainage pipes from tilting when passing through the civil defense protective wall, improves the waterproof performance of the civil defense project, and better resists external shock waves.
Claims
1. A construction connection node between a civil defense protective wall and a waterproof sleeve, characterized in that, The system includes a waterproof sleeve (4) installed inside the cavity of the civil defense protective wall (1). A pipe (2) is installed through the cavity of the civil defense protective wall (1). A valve (3) is installed at the left end of the pipe (2). The waterproof sleeve (4) is fitted onto the surface of the pipe (2). A protective sleeve (5) is fitted onto the surface of the waterproof sleeve (4). Support frames (7) are provided on both the upper and lower sides of the protective sleeve (5). Two symmetrical central ribs (8) are fixedly connected at the central axis of the upper and lower sides of the protective sleeve (5). The ends of the two central ribs (8) away from the protective sleeve (5) are fixed to the support frames (7). The central rib (8) is connected with diagonal bracing ribs (10) on both sides. The two ends of the diagonal bracing ribs (10) are fixedly connected to the support frame (7) and the protective sleeve (5) respectively. The two support frames (7) are provided with transverse support ribs (11) on opposite sides. The two transverse support ribs (11) are embedded in the interior of the civil defense protective wall (1). The two transverse support ribs (11) are fixedly connected with two symmetrical vertical steel bars (12) on opposite sides. The end of the vertical steel bar (12) away from the upper transverse support rib (11) is fixedly connected to the top of the support frame (7).
2. The construction connection node between the civil defense protective wall and the waterproof sleeve according to claim 1, characterized in that, The protective sleeve (5) has two symmetrical rectangular sleeves (6) fixedly connected to its surface. The upper and lower sides of the two rectangular sleeves (6) facing each other are fixedly connected to two support frames (7).
3. The construction connection node between the civil defense protective wall and the waterproof sleeve according to claim 2, characterized in that, Both sides of the two central ribs (8) are fixedly connected with transverse ribs (9), and the side of the transverse ribs (9) away from the central ribs (8) is fixedly connected with the diagonal bracing ribs (10).
4. The construction connection node between the civil defense protective wall and the waterproof sleeve according to claim 3, characterized in that, Both sides of the bottom of the above-mentioned transverse support bar (11) are fixedly connected with inclined steel bars (13), and the end of the inclined steel bar (13) away from the transverse support bar (11) is fixedly connected to both sides of the support frame (7).
5. The construction connection node between the civil defense protective wall and the waterproof sleeve according to claim 4, characterized in that, Supporting ribs (14) are fixedly connected to both sides of the top of the lower transverse supporting rib (11), and the end of the supporting rib (14) away from the lower transverse supporting rib (11) is fixedly connected to the bottom of the supporting frame (7).
6. The construction connection node between the civil defense protective wall and the waterproof sleeve according to claim 5, characterized in that, Four reinforcing bars (15) are fixedly connected to one side of the four vertical reinforcing bars (12). The two upper reinforcing bars (15) are fixedly connected to the diagonal reinforcing bars (13) at the ends away from the vertical reinforcing bars (12), and the two lower reinforcing bars (15) are fixedly connected to the supporting bars (14) at the ends away from the vertical reinforcing bars (12).