External wall panel and vertical connection structure

Abstract

The present invention relates to an external wall panel and a vertical connection structure, comprising an outer page, an insulation layer and an inner page stacked in sequence, wherein the top surface of the insulation layer is higher than the top surface of the inner page, and the bottom surface of the inner page is higher than the bottom surface of the insulation layer; the bottom of the inner page is pre-embedded with a plurality of first embedded parts distributed along the width direction of the inner page, the first embedded part has a first rigid plate, and the bottom surface of the first rigid plate and the bottom surface of the inner page are located on the same plane; the inner wall of the inner page is fixed with a plurality of connecting parts, the connecting part has a second rigid plate extending horizontally toward the inner side of the inner page, and the distance between the second rigid plate and the top surface of the inner page is smaller than the distance between the second rigid plate and the bottom surface of the inner page. The external wall panel of the present invention has a simple structure, and can form a stable connection structure by using its own weight and related beams, and the formed connection structure has a large mechanical strength, meets the structural design requirements, has stepless adjustment capability, avoids the adverse effects of the size error of the prefabricated parts such as the external wall panel itself on the installation, and is easy to operate.

Description

Technical Field

[0001] The invention relates to an external wall panel and a vertical connection structure, belonging to the technical field of assembled buildings. Background Art

[0002] External wall panels mainly play the role of external protection and decoration in the main structure. The insulation structure composed of external wall panels is generally a sandwich insulation board (sandwich panel), which generally includes an outer page, an inner page and an insulation layer sandwiched between the outer page and the inner page. External wall panels are self-weight components and do not consider sharing the loads and effects borne by the main structure. They only bear the loads acting on themselves, including self-weight, wind loads, earthquake loads, and loads during the construction phase.

[0003] When installing external wall panels on site, the overall force of the external wall panels needs to be concentrated on the support beams of the lower layer. There are currently two common methods. The specific steps are as follows:

[0004] The first method is that a block protrudes inward from the inner page of the external wall panel, and the block is placed on the beam and connected to the beam through a connector, which not only affects the future decoration of the residents, but also affects the appearance; moreover, the connection structure between the protruding block and the inner page is complicated, and the overall production cost is high;

[0005] The second method is to embed a connector at the lower end of the inner page of the external wall panel, with one end of the connector embedded in the inner page and the other end extending to the side where the beam is located, and embedded in the beam and other load-bearing components by cast-in-place method. This complicates the structure of the beam and other load-bearing components, making it inconvenient to produce. Summary of the invention

[0006] In view of the deficiencies of the prior art, one of the objects of the present invention is to provide a new type of external wall panel with a simple structure and easy manufacturing; the second object of the present invention is to provide a vertical connection structure to achieve stable installation of the external wall panel.

[0007] In order to solve the above technical problems, the technical solution of the present invention is as follows:

[0008] An external wall panel comprises an outer page, an insulation layer and an inner page stacked in sequence, wherein the top surface of the insulation layer is higher than the top surface of the inner page, and the bottom surface of the inner page is higher than the bottom surface of the insulation layer; a plurality of first embedded parts distributed along the width direction of the inner page are embedded in the bottom of the inner page, the first embedded parts have a first rigid plate, and the bottom surface of the first rigid plate and the bottom surface of the inner page are located on the same plane; a plurality of connecting parts are fixed to the inner wall of the inner page, the connecting parts have a second rigid plate extending horizontally toward the inner side of the inner page, and the distance between the second rigid plate and the top surface of the inner page is smaller than the distance between the second rigid plate and the bottom surface of the inner page.

[0009] In this way, when the external wall panel is installed between two adjacent upper and lower beams, after hoisting into place, the second rigid plate can be fixed to the bottom surface of the upper beam. At this time, since the distance between the second rigid plate and the top surface of the inner page is smaller than the distance between the second rigid plate and the bottom surface of the inner page, the part of the external wall panel below the connecting piece will have a tendency to deflect inward. When the bottom surface of the inner page directly or indirectly abuts the top surface of the lower beam, support is formed for the external wall panel, and excessive deflection of the external wall panel is prevented, so that the external wall panel is stably installed between the two beams.

[0010] Furthermore, the connecting member also has a third rigid plate which is perpendicular to and integrally connected to the second rigid plate, and the third rigid plate is fixed to the inner wall of the inner page. Preferably, the third rigid plate is located below the second rigid plate.

[0011] Furthermore, a first connecting sleeve for fixing the third rigid plate is pre-buried in the inner page to facilitate installation of the connecting piece.

[0012] Furthermore, a plurality of first extension legs extending upward are fixed to the top surface of the first rigid plate, which enhances the connection strength between the first rigid plate and the inner page and is also beneficial to stress dispersion, thereby preventing stress from being concentrated near the first rigid plate after installation.

[0013] A vertical connection structure is used for connecting two upper and lower adjacent beams with the external wall panel as described above, wherein the beam relatively upper among the two beams is recorded as the first beam, and the beam relatively lower is recorded as the second beam; the outer side surface of the beam has a raised portion integrally connected to the beam and extending outward, the top surface of the raised portion is flush with the top surface of the beam, a second embedded part matching the first embedded part is embedded in the raised portion, the second embedded part has a fourth rigid plate and a vertically arranged sleeve with an open top, an internal thread is provided in the sleeve, the fourth rigid plate is flush with the top surface of the raised portion, and a mounting hole with a central axis coaxial with the sleeve is provided on the fourth rigid plate; the top surface of the inner leaf is located below the raised portion of the first beam, and the second rigid plate is fixed to the bottom surface of the first beam; a first bolt is installed in the sleeve on the second beam, and the first bolt abuts against the first rigid plate.

[0014] The setting of the raised part makes the outer side of the beam form a stepped structure. By rationally planning the size of the raised part in the vertical direction, the stepped structure can be matched with the stepped structure at the top of the external wall panel. The positional relationship between the first bolt and the sleeve can be adjusted steplessly. By adjusting the degree of screwing in of the first bolt, the bottom surface of the inner page can be smoothly abutted against the first bolt, thereby achieving bottom support. After hoisting in place, the second rigid plate can be fixed to the bottom surface of the first beam, and then the tightness of the first bolt on the second beam can be adjusted so that the first bolt abuts against the first rigid plate and the external wall panel is parallel to the vertical direction. At this time, it is installed in place.

[0015] In order to improve the connection strength between the fourth rigid plate and the protruding portion and further disperse the stress, a plurality of second legs extending downward are connected to the bottom surface of the fourth rigid plate.

[0016] Furthermore, the bottom surface of the first rigid plate has a groove extending in a direction perpendicular to the insulation layer, and the first bolt extends into the groove. In this way, the freedom of the external wallboard relative to the beam in the length direction of the beam can be limited, so that the freedom of the external wallboard in the front-back, left-right, and up-down directions is limited, further improving the stability of the external wallboard.

[0017] Optionally, a U-shaped steel bar is welded to the bottom surface of the first rigid plate to form a groove; preferably, the opening of the U-shaped steel bar faces the inner side of the inner page plate.

[0018] Furthermore, a nut is sleeved on the first bolt, and the bottom surface of the nut abuts against the corresponding fourth rigid plate. In this way, stress concentration at the junction of the first bolt, the fourth rigid plate and the outside world can be avoided, and the bearing capacity of the first bolt is improved.

[0019] Further, a third embedded part is embedded in the first beam, and the second rigid plate is fixedly connected to the first beam via the third embedded part. Optionally, the second rigid plate is welded to the third embedded part or connected via a fastener.

[0020] Furthermore, concrete is poured between the first rigid plate and the fourth rigid plate to form an integral structure and prevent oxidation.

[0021] The external wall panels of the present invention have a simple structure, and can form a stable connection structure with related beams by using their own weight. The formed connection structure has high mechanical strength, meets the structural design requirements, has stepless adjustment capability, can avoid the adverse effects of the size error of prefabricated parts such as external wall panels on installation, and is easy to operate. In addition, the connection structure of the present invention has no effect on the external wall panels and beams, is convenient for factory production and on-site casting, and has no effect on the later decoration of residents. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a cross-sectional view (along the vertical direction) of the connection between the external wall panel and the beam according to the first embodiment of the present invention.

[0023] Figure 2 It is a structural schematic diagram of a first embedded part and a second embedded part in a first embodiment of the present invention in a state of being abutted by a first bolt.

[0024] Figure 3 4 is a top view of a first embedded part according to a first embodiment of the present invention.

[0025] Figure 4 It is a cross-sectional view along the vertical direction of the first embedded part according to the first embodiment of the present invention.

[0026] Figure 5 It is a cross-sectional view (along the vertical direction) of the connection structure of the external wall panels according to the first embodiment of the present invention. DETAILED DESCRIPTION

[0027] The present invention will be described in detail below in conjunction with the embodiments. It should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict. For the convenience of description, if the words "upper", "lower", "left" and "right" appear in the following, they only indicate that the upper, lower, left and right directions are consistent with the drawings themselves, and do not limit the structure.

[0028] like Figures 1 to 5 As shown, an external wall panel comprises an outer page 1, an insulation layer 2 and an inner page 3 which are stacked in sequence, the top surface of the insulation layer 2 is higher than the top surface of the inner page 3, the bottom surface of the inner page 3 is higher than the bottom surface of the insulation layer 2, the top surface of the outer page 1 is lower than the top surface of the insulation layer 2, and the bottom surface of the outer page is lower than the bottom surface of the insulation layer; a plurality of first embedded parts 8 distributed along the width direction of the inner page 3 are pre-embedded at the bottom of the inner page 3, the first embedded parts 8 have a first rigid plate 801, and the bottom surface of the first rigid plate 801 is located on the same plane as the bottom surface of the inner page 3; a plurality of connecting parts 14 are fixed to the inner wall of the inner page 3, the connecting part 14 has a second rigid plate 1401 extending horizontally toward the inner side of the inner page, and the distance between the second rigid plate and the top surface of the inner page is smaller than the distance between the second rigid plate and the bottom surface of the inner page.

[0029] The connecting member 14 also has a third rigid plate 1402 which is perpendicular to and integrally connected to the second rigid plate 1401, and the third rigid plate is fixed to the inner wall of the inner page. Preferably, the third rigid plate is located below the second rigid plate.

[0030] The inner page is pre-buried with a first connecting sleeve 16 for fixing the third rigid plate. The second bolt 19 passes through the polytetrafluoroethylene sliding gasket 18, the third rigid plate 1402, the steel gasket 17 and is connected to the first connecting sleeve in sequence, thereby fixing the third rigid plate to the inner page.

[0031] A plurality of first extension legs 802 extending upward are fixed to the top surface of the first rigid plate 801 .

[0032] The outer page 1 , the thermal insulation layer 2 and the inner page 3 are connected by a plurality of glass fiber connectors 11 .

[0033] The insulation layer 2 is divided into the first section, the second section and the third section from top to bottom, the thickness of the first section is less than the thickness of the second section, and the thickness of the third section is less than the thickness of the second section; the top surface of the inner page is flush with the top surface of the second section; the inner page is divided into section A and section B from top to bottom, the top surface of section A is flush with the top surface of the second section, the thickness of section A is less than the thickness of section B, and the outer side surface of section B extends to the inner side surface of the third section. In this way, the first embedded part can be easily set, and the upper end of the external wall panel can also be easily matched with the raised part of the beam.

[0034] A vertical connection structure is provided for connecting two upper and lower adjacent beams 4 with the external wall panels as described above, wherein the beam relatively upper among the two beams 4 is recorded as the first beam, and the beam relatively lower is recorded as the second beam; the outer side surface of the beam 4 has a raised portion 20 which is integrally connected to the beam and extends outward, the top surface of the raised portion 20 is flush with the top surface of the beam, a second embedded part 7 cooperating with the first embedded part is embedded in the raised portion 20, the second embedded part 7 has a fourth rigid plate 701 and a vertically arranged sleeve 703 with an open top, the sleeve is provided with an internal thread, the fourth rigid plate is flush with the top surface of the raised portion, and a mounting hole 704 which is coaxial with the sleeve is provided on the fourth rigid plate; the top surface of the inner page 3 is located below the raised portion of the first beam, and the second rigid plate 1401 is fixed to the bottom surface of the first beam; a first bolt 9 is installed in the sleeve on the second beam, and the first bolt 9 abuts against the first rigid plate 801. A foamed concrete layer 12 is provided in the gap between the inner page and the first beam; a plurality of second connecting sleeves 13 are provided on the inner page and are located above the connecting piece, for enhancing the connection strength between the foamed concrete layer 12 and the inner page. The raised portion is a strip-shaped structure with a rectangular cross section, formed integrally with the beam, and the raised portion is provided with a plurality of longitudinal steel bars extending along the length direction of the raised portion and a plurality of transverse steel bars extending along the width direction thereof, and the transverse steel bars extend into the beam.

[0035] The outer pages and insulation layers of the upper and lower adjacent external wall panels abut against each other. The lower end of the external wall panel is a stepped structure that gradually rises from the outside to the inside, which provides a better wind and rainproof effect for the gaps between adjacent external wall panels and facilitates fine adjustment of the inclination of the external wall panels during installation.

[0036] The bottom surface of the fourth rigid plate 701 is connected to a plurality of second extension legs 702 extending downward.

[0037] The bottom surface of the first rigid plate 801 has a groove 21 extending in a direction perpendicular to the insulation layer, and the first bolt 9 extends into the groove. Optionally, a U-shaped steel bar is welded to the bottom surface of the first rigid plate 801 to form the groove 21.

[0038] The first bolt 9 is sleeved with a nut 10 , and the bottom surface of the nut 10 abuts against the corresponding fourth rigid plate 701 .

[0039] The third embedded part 15 is embedded in the first beam, and the second rigid plate 1401 is fixedly connected to the first beam through the third embedded part. Optionally, the third embedded part 15 is a Hafen groove, in which a Hafen bolt is provided, and a hole is provided on the second rigid plate, through which the Hafen bolt passes and is relatively fixed to the second rigid plate through a nut; the distance between the Hafen groove and the outer side of the beam is 100 mm. As another optional method, the third embedded part 15 has a fifth rigid plate, the bottom surface of the fifth rigid plate is flush with the bottom surface of the beam, and the top surface of the fifth rigid plate is connected to a plurality of third extension legs, and the second rigid plate is welded to the fifth rigid plate.

[0040] Each embedded part is made of steel.

[0041] Concrete is poured between the first rigid plate 801 and the fourth rigid plate 701. Optionally, when laying the floor surface layer 6 on the prefabricated floor slab 5, concrete can be poured between the first rigid plate 801 and the fourth rigid plate 701.

[0042] The contents explained in the above embodiments should be understood as these embodiments are only used to more clearly illustrate the present invention, and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art all fall within the scope defined by the claims attached to this application.

Claims

1. A vertical connection structure, used for connecting two upper and lower adjacent beams (4) to an external wall panel, wherein the beam located relatively higher among the two beams (4) is marked as a first beam, and the beam located relatively lower is marked as a second beam; the external wall panel comprises an outer leaf (1), an insulation layer (2) and an inner leaf (3) stacked in sequence, characterized in that: The top surface of the thermal insulation layer (2) is higher than the top surface of the inner page (3), the bottom surface of the inner page (3) is higher than the bottom surface of the thermal insulation layer (2), the top surface of the outer page (1) is lower than the top surface of the thermal insulation layer (2), and the bottom surface of the outer page (1) is lower than the bottom surface of the thermal insulation layer (2); the bottom of the inner page (3) is pre-embedded with a plurality of first embedded parts (8) distributed along the width direction of the inner page (3), the first embedded parts (8) having a first rigid plate (801), the bottom surface of the first rigid plate (801) and the bottom surface of the inner page (3) being located on the same plane; the inner wall of the inner page (3) is fixed with a plurality of connecting parts (14), the connecting parts (14) having a second rigid plate (1401) extending horizontally toward the inner side of the inner page, the distance between the second rigid plate and the top surface of the inner page being smaller than the distance between the second rigid plate and the bottom surface of the inner page; the outer side surface of the beam (4) has a protrusion ( 20), the top surface of the raised portion (20) is flush with the top surface of the beam, a second embedded part (7) cooperating with the first embedded part is embedded in the raised portion (20), the second embedded part (7) has a fourth rigid plate (701) and a vertically arranged sleeve (703) with an open top, the sleeve is provided with an internal thread, the fourth rigid plate is flush with the top surface of the raised portion, and the fourth rigid plate is provided with a mounting hole (704) coaxial with the sleeve; the top surface of the inner page (3) is located below the raised portion of the first beam, and the second rigid plate (1401) is fixed to the bottom surface of the first beam; a first bolt (9) is installed in the sleeve, and the first bolt (9) abuts against the first rigid plate (801); a nut (10) is sleeved on the first bolt (9), and the bottom surface of the nut (10) abuts against the corresponding fourth rigid plate (701); the outer pages and insulation layers of the upper and lower adjacent external wall panels abut against each other.

2. The vertical connection structure according to claim 1, characterized in that: The bottom surface of the fourth rigid plate (701) is connected to a plurality of second extension legs (702) extending downward.

3. The vertical connection structure according to claim 1, characterized in that: The bottom surface of the first rigid plate (801) has a groove, the groove extends in a direction perpendicular to the thermal insulation layer, and the first bolt (9) extends into the groove.

4. The vertical connection structure according to claim 1, characterized in that: A third embedded part (15) is embedded in the first beam, and the second rigid plate (1401) is fixedly connected to the first beam via the third embedded part.

5. The vertical connection structure according to claim 1, characterized in that: Concrete is poured between the first rigid plate (801) and the fourth rigid plate (701).

6. The vertical connection structure according to claim 1, characterized in that: The connecting member (14) further comprises a third rigid plate (1402) which is perpendicular to and integrally connected to the second rigid plate (1401), and the third rigid plate is fixed on the inner wall of the inner page.

7. The vertical connection structure according to claim 1, characterized in that: A first connecting sleeve (16) for fixing the third rigid plate is pre-buried in the inner page.

8. The vertical connection structure according to any one of claims 1, 6 and 7, characterized in that: A plurality of first extension legs (802) extending upward are fixed to the top surface of the first rigid plate (801).

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