Expansion joint structure
By setting widened elevation and rectangular fence in the building expansion joint structure, the problem of insufficient enclosure at the intersection of expansion joints is solved, higher enclosure and waterproof performance are achieved, and the safety and durability of the building are improved. .
Patent Information
- Application Number
- CN202421143765.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-22
AI Technical Summary
The existing building expansion joint structure is insufficiently enclosed at the intersection of expansion joints, resulting in gaps, increasing working time and labor costs, and at the same time there are water overflow and safety hazards.
A expansion joint structure is designed in which prefabricated plates are arranged on the longitudinal and transverse expansion joints. The prefabricated plates are broken into four pieces at the intersection, and each end is formed to be flipped to form a rectangular enclosure. The width of the flipped two is greater than the two sides. Flip the distance between the two to ensure closure and detachable connection cover and adhesive foam board for enhanced waterproofing and safety.
It effectively avoids the generation of gaps, enhances the enclosure and waterproof performance of expansion joints, improves the safety and durability of buildings, and is suitable for various building sites.
Smart Images
Figure CN222314281U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of building construction, in particular to an expansion joint structure. Background Art
[0002] Building expansion joints, also known as expansion joints, refer to a structural joint set at an appropriate position along the construction joint direction of a building or structure to prevent cracks or damage to the structure due to climate and temperature changes (thermal expansion and contraction). Expansion joints divide building components above the foundation, such as walls, floor slabs, and roofs (except wooden roofs), into two independent parts, allowing the building or structure to expand and contract horizontally along the length direction.
[0003] Generally, two expansion joints intersecting vertically and horizontally opened on the cast-in-place base plate divide the base plate into four independent bodies. The expansion joints are covered with prefabricated panels, which are broken into four at the intersection of the expansion joints. The end of each prefabricated panel near the intersection of the expansion joints is integrally formed with a raised part to block the expansion joints around them to prevent the accumulated water in the expansion joints from overflowing and soaking into the walls on both sides of the expansion joints, causing wall leakage.
[0004] However, the distance between two flaps in the same direction cannot be exactly equal to the width of the flaps between them, which creates a gap between them and the middle flap. At this time, the gap needs to be filled with concrete, which increases working hours and labor costs. Utility Model Content
[0005] The utility model aims to provide an expansion joint structure, which has the advantage of increasing the sealing performance of the expansion joint intersection around the expansion joint.
[0006] The above technical objectives of the utility model are achieved through the following technical solutions:
[0007] A expansion joint structure comprises a base plate, wherein the base plate is provided with longitudinal and transverse expansion joints perpendicular to each other, the expansion joint is covered with a prefabricated plate, the prefabricated plate is broken into four pieces at the intersection of the expansion joints, and each prefabricated plate is integrally formed with a fold at the end near the intersection of the expansion joints, the four folds form a rectangular enclosure, the two opposite folds are parallel to the expansion joint between them, and is characterized in that the fold on the longitudinal expansion joint comprises a fold one and a fold two, the fold one is located on the inner side of the two folds on the transverse expansion joint, the fold two is integrally formed with a widened portion, the width of the fold two is greater than the distance between the two transverse folds, and the fold two is located on the outer side of the two folds on the transverse expansion joint.
[0008] By adopting the above technical solution, when the width of a fold cannot be made exactly equal to the distance between the folds on both sides, a widening portion can be provided on the side of the Van Gogh to make the width of the fold greater than the distance between the folds on both sides, so that it can contact the outer sides of the two folds on its side. At the same time, when the widths of the folds on both sides are different, it can be respectively in contact with the outer sides of the shorter folds and the inner sides of the wider folds on both sides to avoid gaps.
[0009] Preferably, a cover plate is detachably connected to the upper side of the raised part.
[0010] The above technical solution is adopted to prevent objects from falling from the expansion joint and prevent workers from stepping into the expansion joint and causing injuries.
[0011] Preferably, a foam board is adhered to the raised side.
[0012] The above technical solution is adopted to prevent the cover from being damaged externally.
[0013] Preferably, the upper opening of the expansion joint is higher than the bottom plate.
[0014] The above technical solution is adopted to further prevent water from overflowing from the expansion joint.
[0015] Preferably, a water stop plate is provided at the upper opening of the expansion joint.
[0016] The above technical solution is adopted to block rainwater and prevent rainwater from seeping into the wall through the side wall of the expansion joint.
[0017] In summary, the expansion joint structure has strong waterproofness, high safety, good durability, and is suitable for various construction sites. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is an overall schematic diagram of an embodiment;
[0019] Figure 2 is a plan view of an embodiment;
[0020] Figure 3 Schematic diagram of the structure below the precast panel.
[0021] Figure numerals: 1. bottom plate; 2. expansion joint; 3. prefabricated plate; 4. first fold; 5. second fold; 6. widened portion; 7. cover plate; 8. foam board; 9. water stop plate. DETAILED DESCRIPTION
[0022] The following is only a preferred embodiment of the present invention, and the protection scope is not limited to this embodiment. All technical solutions under the concept of the present invention should belong to the protection scope of the present invention. At the same time, it should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.
[0023] See also Figure 1-Figure 3 A expansion joint structure comprises a base plate 1, which is provided with longitudinal and transverse expansion joints 2 which are perpendicular to each other. The upper opening of the expansion joint 2 is higher than the base plate 1, and a water stop plate 9 is arranged at the upper opening of the expansion joint 2. A prefabricated plate 3 is covered on the expansion joint 2, and the prefabricated plate 3 is broken into four pieces at the intersection of the expansion joints 2. The end of each prefabricated plate 3 near the intersection of the expansion joints 2 is integrally formed with a fold, and the four folds form a rectangular enclosure, which is parallel to the expansion joint 2 between the two folds. The fold on the longitudinal expansion joint 2 is fold 1 4 and fold 2 5, and the fold 1 4 is located on the inner side of the two folds on the transverse expansion joint 2, and the fold 2 5 is integrally formed with a widened portion 6, and the width of the fold 2 5 is greater than the distance between the two transverse folds, and the fold 2 5 is located on the outer side of the two folds on the transverse expansion joint 2, and a cover plate 7 is detachably connected to the top of the fold, and a foam board 8 is pasted on the side of the fold.
[0024] Working principle: When the width of a fold cannot be made exactly equal to the distance between the folds on both sides, a widening portion 6 can be set on the side of the fold to make the width of the fold larger than the distance between the folds on both sides, so that it can contact the outer sides of the two folds on its side. At the same time, when the widths of the folds on both sides are different, they can be made to contact the outer sides of the shorter folds on both sides and the inner sides of the wider folds on both sides respectively to avoid gaps. When it rains, rainwater is blocked by the water stop plate 9, and the accumulated water on the top of the water stop plate 9 is blocked by the fold, avoiding it from seeping into the walls on both sides of the expansion joint 2.
Claims
1. An expansion joint structure, comprising a base plate (1), wherein the base plate (1) is provided with longitudinal and transverse expansion joints (2) perpendicular to each other, wherein the expansion joint (2) is covered with a prefabricated plate (3), wherein the prefabricated plate (3) is broken into four pieces at the intersection of the expansion joints (2), wherein the end of each prefabricated plate (3) near the intersection of the expansion joints (2) is integrally formed with a raised part, wherein the four raised parts form a rectangular enclosure, wherein two opposite raised parts are parallel to the expansion joint (2) between them, and wherein: The fold on the longitudinal expansion joint (2) comprises a fold one (4) and a fold two (5), wherein the fold one (4) is located on the inner side of the two folds on the transverse expansion joint (2), and the fold two (5) is integrally formed with a widening portion (6), the width of the fold two (5) is greater than the distance between the two transverse folds, and the fold two (5) is located on the outer side of the two folds on the transverse expansion joint (2).
2. An expansion joint structure according to claim 1, characterized in that: A cover plate (7) is detachably connected to the upper side of the raised part.
3. The expansion joint structure according to claim 1, characterized in that: The raised side portion is adhered with a foam board (8).
4. The expansion joint structure according to claim 1, characterized in that: The upper opening of the expansion joint (2) is higher than the bottom plate (1).
5. The expansion joint structure according to claim 1, characterized in that: A water stop plate (9) is provided at the upper opening of the expansion joint (2).