Adjustable slope expansion joint device for house extension
By designing an adjustable slope expansion joint device, the problems of traditional cover plates not adapting to the slope of the house and inconvenient drainage are solved, achieving adaptability to different slopes and efficient drainage, and extending service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGZHOU HOUSES DEV CONSTR
- Filing Date
- 2025-05-14
- Publication Date
- 2026-06-09
Smart Images

Figure CN224338430U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of house renovation and expansion technology, specifically to an adjustable slope expansion joint device for house renovation and expansion. Background Technology
[0002] Expansion joints, also known as temperature joints, are structural joints installed at appropriate locations along the construction joints of buildings or structures to prevent cracking or damage caused by changes in climate temperature. They accommodate the thermal expansion and contraction of building materials, preventing structural deformation and cracking due to temperature variations, ensuring the integrity and stability of the building, allowing free expansion and contraction at the joint, reducing the impact of temperature stress on the structure, and extending the building's service life. Expansion joint covers are installed to prevent debris from falling into the joint, avoiding blockage and impairing its normal expansion and contraction function. They also effectively prevent rainwater and snowmelt from seeping into the joint, thus preventing damage to the building structure. Furthermore, they make the building surface more aesthetically pleasing and smooth, concealing the expansion joint and enhancing the overall appearance of the building, making it more visually harmonious and unified.
[0003] Traditional expansion joint covers typically consist of a cover body, fixing devices, and sealing materials. These covers are generally made of stainless steel, aluminum alloy, or other metal materials and are fixed to the base layer on both sides of the expansion joint using bolts or welding. However, these one-piece expansion joint covers are not suitable for different building slopes, hinder drainage, fail to consider the diversity and complexity of expansion joint deformation, and lack an effective flexible compensation mechanism. Therefore, this invention proposes an adjustable slope expansion joint device for building renovation and expansion. Utility Model Content
[0004] To address the problems of existing one-piece molded expansion joint covers not only being unsuitable for different building slopes but also hindering drainage, this utility model provides the following technical solution:
[0005] An adjustable slope expansion joint device for house renovation and expansion includes two symmetrically arranged structural beams, with a fireproof strip fixedly installed at the top between the two structural beams, and further includes:
[0006] The top closing component, whose central angle is adjustable, is rotatably connected to the top of the structural beam on both sides via connecting components.
[0007] A drive assembly for adjusting the angle of the middle part of the top enclosure assembly, and the drive assembly is located between two structural beams.
[0008] As a preferred embodiment of the adjustable slope expansion joint device for house renovation and expansion described in this utility model, the connecting component includes a mounting base and a connecting plate. Two mounting bases are symmetrically fixed to the top ends of the two structural beams by expansion bolts. U-shaped frames are symmetrically fixed to the top ends of the bases, and a fixing shaft is fixedly installed between the two U-shaped frames.
[0009] As a preferred embodiment of the adjustable slope expansion joint device for house renovation and expansion described in this utility model, wherein: a fixing plate is fixedly installed on the bottom outer side of the connecting plate, and the fixing plate is rotatably connected to the fixing shaft located on the outer side; a limiting arc plate is fixedly installed on the bottom inner side of the connecting plate, and the fixing shaft located on the inner side is slidably connected in the limiting arc plate; and a locking groove is provided at the bottom of the opposite ends of the two connecting plates.
[0010] As a preferred embodiment of the adjustable slope expansion joint device for house renovation and expansion described in this utility model, the top sealing component includes two central cover plates, a connecting plate is fixedly installed on the bottom outer side of each of the two central cover plates, a lifting frame is rotatably connected between the two central cover plates, and a contact plate is fixedly installed at the bottom of the lifting frame.
[0011] As a preferred embodiment of the adjustable slope expansion joint device for house renovation and expansion described in this utility model, the driving component includes a sliding connecting base plate, which is fixedly installed on the top of the two structural beams. Connecting arc blocks are fixedly installed on the top of both ends of the sliding connecting base plate, and the connecting arc blocks are slidably connected in the engaging groove. Two fixed vertical plates are symmetrically fixedly connected to the middle of the top of the sliding connecting base plate. A driving screw is rotatably connected between the two fixed vertical plates through a bearing. A driving plate is threadedly connected to the driving screw, and the driving plate and the contact plate are matched and engaged.
[0012] As a preferred embodiment of the adjustable slope expansion joint device for house renovation and expansion described in this utility model, a guide rod is fixedly installed between the two fixed vertical plates, and the drive plate is slidably connected to the guide rod.
[0013] As a preferred embodiment of the adjustable slope expansion joint device for house renovation and expansion described in this utility model, wherein: a plurality of first protrusions are fixedly installed at equal intervals on the top of the drive plate, and a plurality of second protrusions are fixedly installed at equal intervals on the bottom of the contact plate, the opposite sides of the first protrusions and the second protrusions are in contact, and the opposite sides of the first protrusions and the second protrusions are set as inclined surfaces.
[0014] As a preferred embodiment of the adjustable slope expansion joint device for house renovation and expansion described in this utility model, the bottom ends of the two structural beams are each fixedly installed with a drainage trough by expansion bolts, and a drainage pipe is fixedly installed at the bottom end of the drainage trough, and the drainage pipe and the drainage trough are connected.
[0015] Compared with existing technologies:
[0016] The structure of this utility model is relatively flexible, allowing the relative positions of the sealing connecting plate, the central cover plate, and the lifting frame to be slightly adjusted, changing the included angle between the central cover plate and the lifting frame. This facilitates adaptation to different house slopes, improves the drainage capacity of the device, and extends the service life of the cover plate. In addition, adjusting the slope according to actual needs can ensure smooth drainage at the expansion joint and reduce the erosion of the building by water. Attached Figure Description
[0017] Figure 1 This is a front view schematic diagram of the structure of this utility model;
[0018] Figure 2 This is a front view of the cross-section of the structure of this utility model;
[0019] Figure 3 This is a front view of a partial structure of the present invention.
[0020] Figure 4 This is a three-dimensional schematic diagram showing the partial structure of this utility model.
[0021] Figure 5 This utility model Figure 4 Enlarged schematic diagram of the structure at point A in the middle;
[0022] Figure 6 This is a front view of the connecting plate of this utility model;
[0023] Figure 7 This is a side view of the drive plate and contact plate of this utility model.
[0024] In the diagram: 1. Structural beam; 2. Drainage trough; 3. Drainage pipe; 4. Expansion bolt; 5. Mounting base; 6. Connecting plate; 7. Center cover plate; 8. Lifting frame; 9. Sliding connection base plate; 10. Fireproof strip; 11. U-shaped frame; 12. Fixed shaft; 13. Fixed plate; 14. Limiting arc plate; 15. Fixed vertical plate; 16. Guide rod; 17. Drive screw; 18. Drive plate; 19. Engaging groove; 20. Contact plate. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.
[0026] This utility model provides an adjustable slope expansion joint device for house renovation and expansion. Please refer to [link / reference]. Figures 1-7 It includes two symmetrically arranged structural beams 1, and a fireproof strip 10 is fixedly installed at the top between the two structural beams 1.
[0027] It also includes: a top closing component whose central angle can be adjusted, and the two sides of the top closing component are rotatably connected to the top of the structural beam 1 through connecting components;
[0028] The connecting assembly includes a mounting base 5 and a connecting plate 6. Two mounting bases 5 are symmetrically fixed to the top of the two structural beams 1 by expansion bolts 4. U-shaped frames 11 are symmetrically fixed to the top two ends of the base 5, and a fixing shaft 12 is fixedly installed between the two U-shaped frames 11. A fixing plate 13 is fixedly installed on the bottom outer side of the connecting plate 6, and the fixing plate 13 is rotatably connected to the fixing shaft 12 located on the outer side. A limiting arc plate 14 is fixedly installed on the bottom inner side of the connecting plate 6, and the fixing shaft 12 located on the inner side is slidably connected in the limiting arc plate 14. A locking groove 19 is opened at the bottom of the opposite ends of the two connecting plates 6.
[0029] The top enclosure assembly includes two central cover plates 7, with connecting plates 6 fixedly installed on the bottom outer sides of both central cover plates 7. A lifting frame 8 is rotatably connected between the two central cover plates 7, and a contact plate 20 is fixedly installed on the bottom of the lifting frame 8. The space between the mounting base 5 and the central cover plates 7 is filled with sealant, and the outer surfaces of the two central cover plates 7 are coated with sealant, making the connection between the mounting base 5 and the central cover plates 7 tighter and enhancing the waterproof effect.
[0030] It also includes: a drive assembly for adjusting the angle of the middle part of the top closing assembly, and the drive assembly is located between the two structural beams 1;
[0031] The drive assembly includes a sliding connection base plate 9, which is fixedly installed on the top of the two structural beams 1. Connecting arc blocks are fixedly installed on the top of both ends of the sliding connection base plate 9, and the connecting arc blocks are slidably connected in the engaging groove 19. The size of the engaging groove 19 is larger than that of the connecting arc blocks. Two fixed vertical plates 15 are symmetrically fixedly connected to the middle of the top of the sliding connection base plate 9. A drive screw 17 is rotatably connected between the two fixed vertical plates 15 through a bearing. A screw can be provided at the end of the drive screw 17 as required, so that the screw can drive the drive screw 17 to rotate. A drive plate 18 is threadedly connected to the drive screw 17, and the drive plate 18 and the contact plate 20 are matched and engaged. A guide rod 16 is fixedly installed between the two fixed vertical plates 15, and the drive plate 18 is slidably connected to the guide rod 16. Several first protrusions are fixedly installed at equal intervals on the top of the drive plate 18, and several second protrusions are fixedly installed at equal intervals on the bottom of the contact plate 20. The opposite sides of the first protrusions and the second protrusions are in contact, and the opposite sides of the first protrusions and the second protrusions are set as inclined surfaces.
[0032] Both structural beams 1 have drainage channels 2 fixedly installed at their bottom ends by expansion bolts 4. Drainage pipes 3 are fixedly installed at the bottom ends of drainage channels 2, and drainage pipes 3 and drainage channels 2 are connected.
[0033] In practical use, the specific operating steps for those skilled in the art are as follows:
[0034] First, the drive screw 17 is rotated. When the drive screw 17 rotates, the drive plate 18 moves along the guide rod 16. When the drive plate 18 moves, the first protrusion moves from one side of the second protrusion to directly below the second protrusion. During this process, the contact plate 20 is lifted by the drive plate 18, so that the lifting frame 8 rises. At this time, the center cover plate 7 and the connecting plate 6 rotate around the fixed plate 13 as the center point, so that the contact position of the two center cover plates 7 and the lifting frame 8 is slightly raised.
[0035] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A kind of adjustable slope expansion joint device for housing, including two structural beam bodies (1) arranged symmetrically, and the top of two structural beam bodies (1) is fixedly installed with fireproof belt (10), it is characterized in that, Also includes: The top closing component, whose central angle can be adjusted, is rotatably connected to the top of the structural beam (1) on both sides via connecting components. A drive assembly for adjusting the angle of the middle part of the top closed assembly, and the drive assembly is located between two structural beams (1).
2. The adjustable-slope expansion joint device for a building extension according to claim 1, wherein The connecting assembly includes a mounting base (5) and a connecting plate (6). The top ends of the two structural beams (1) are symmetrically fixed with two mounting bases (5) by expansion screws (4). U-shaped frames (11) are symmetrically fixed at both ends of the top of the bases (5), and a fixing shaft (12) is fixedly installed between the two U-shaped frames (11).
3. The adjustable-slope expansion joint of claim 2, wherein, A fixing plate (13) is fixedly installed on the bottom outer side of the connecting plate (6), and the fixing plate (13) is rotatably connected to the fixing shaft (12) located on the outer side. A limiting arc plate (14) is fixedly installed on the bottom inner side of the connecting plate (6), and the fixing shaft (12) located on the inner side is slidably connected in the limiting arc plate (14). A locking groove (19) is opened at the bottom of the opposite ends of the two connecting plates (6).
4. The adjustable-slope expansion joint of claim 3, wherein, The top enclosure assembly includes two central cover plates (7), with connecting plates (6) fixedly installed on the bottom outer sides of both central cover plates (7), and a lifting frame (8) rotatably connected between the two central cover plates (7), with a contact plate (20) fixedly installed at the bottom of the lifting frame (8).
5. The adjustable-slope expansion joint of claim 4, wherein, The drive assembly includes a sliding connection base plate (9), which is fixedly installed on the top of the two structural beams (1). Connecting arc blocks are fixedly installed on the top of both ends of the sliding connection base plate (9), and the connecting arc blocks are slidably connected in the engagement groove (19). Two fixed vertical plates (15) are symmetrically fixedly connected to the middle of the top of the sliding connection base plate (9). A drive screw (17) is rotatably connected between the two fixed vertical plates (15) through a bearing. A drive plate (18) is threadedly connected to the drive screw (17), and the drive plate (18) and the contact plate (20) are matched and engaged.
6. The adjustable-slope expansion joint of claim 5, wherein, A guide rod (16) is fixedly installed between the two fixed vertical plates (15), and the drive plate (18) is slidably connected to the guide rod (16).
7. The adjustable-slope expansion joint of claim 5, wherein, A plurality of first protrusions are fixedly installed at equal intervals on the top of the drive plate (18), and a plurality of second protrusions are fixedly installed at equal intervals on the bottom of the contact plate (20). The opposite sides of the first protrusions and the second protrusions are in contact, and the opposite sides of the first protrusions and the second protrusions are set as inclined surfaces.
8. The adjustable-slope expansion joint of claim 1, wherein, Both structural beams (1) have drainage channels (2) fixedly installed at their bottom ends by expansion bolts (4). Drainage pipes (3) are fixedly installed at the bottom ends of the drainage channels (2), and the drainage pipes (3) and drainage channels (2) are connected.