阅读说明：本技术 用于预制混凝土外墙板的防雨水渗漏结构 (A rain-proof water seepage structure for precast concrete side fascia ) 是由 乔启信 朱华林 于 2021-07-21 设计创作，主要内容包括：本发明提供一种用于预制混凝土外墙板的防雨水渗漏结构,该预制混凝土外墙板由预制混凝土板和结构构件组成,上、下相邻的所述预制混凝土板相交处形成水平分隔缝,左、右相邻的所述预制混凝土板相交处形成竖直分割缝,位于所述水平分隔缝处设有用于连接上、下相邻预制混凝土板的水平连接件,所述水平连接件包括相互垂直设置隔水构件Ⅰ和输水构件Ⅰ,位于所述竖直分隔缝处设有用于连接左、右相邻的预制混凝土板的竖直连接件,所述竖直连接件包括相互垂直设置的隔水构件Ⅱ和输水构件Ⅱ。本发明通过水平连接件将上下相邻的预制混凝土板相连接,通过竖直连接件将左右相邻预制混凝土板相连接,结构简单,装配使用方便。(The invention provides a rainwater leakage prevention structure for a precast concrete external wall panel, which consists of precast concrete panels and structural members, wherein horizontal separation seams are formed at the intersections of the upper precast concrete panel and the lower precast concrete panel which are adjacent to each other, vertical separation seams are formed at the intersections of the left precast concrete panel and the right precast concrete panel which are adjacent to each other, horizontal connecting pieces for connecting the upper precast concrete panel and the lower precast concrete panel are arranged at the horizontal separation seams, each horizontal connecting piece comprises a water-resisting member I and a water conveying member I which are vertically arranged, vertical connecting pieces for connecting the left precast concrete panel and the right precast concrete panel which are adjacent to each other are arranged at the vertical separation seams, and each vertical connecting piece comprises a water-resisting member II and a water conveying member II which are vertically arranged. According to the invention, the upper and lower adjacent precast concrete plates are connected through the horizontal connecting piece, and the left and right adjacent precast concrete plates are connected through the vertical connecting piece, so that the structure is simple, and the assembly and the use are convenient.)

1. A rainwater leakage prevention structure for precast concrete external wall panel, which is composed of precast concrete panels (1) and structural members for supporting the precast concrete panels (1), wherein horizontal parting lines are formed at the intersections of the upper and lower adjacent precast concrete panels (1), and vertical parting lines are formed at the intersections of the left and right adjacent precast concrete panels (1), characterized in that: the horizontal connecting piece (2) used for connecting the upper precast concrete plate (1) and the lower precast concrete plate (1) is arranged at the horizontal separation joint, the horizontal connecting piece (2) comprises a water-resisting component I (21) and a water conveying component I (22) which are perpendicular to each other, when the upper side end face and the lower side end face of the water-resisting component I (21) are respectively and tightly connected with the upper precast concrete plate (1) and the lower side end face of the upper precast concrete plate (1) which are adjacent to each other, the upper end face and the lower end face of the water conveying component I (22) are respectively inserted into the upper precast concrete plate (1) and the lower precast concrete plate (1) which are adjacent to each other, a vertical connecting piece (3) used for connecting the left precast concrete plate (1) and the right precast concrete plate (1) which are adjacent to each other is arranged at the vertical joint (3), the water-resisting component II (31) and the water conveying component II (32) which are perpendicular to each other are arranged, and when the left side end face and right side end face of the water conveying component II (32) are respectively connected with the left precast concrete plate, When the adjacent precast concrete plates (1) on the right are tightly connected, the left end and the right end of the water-resisting member II (31) are respectively inserted into the adjacent precast concrete plates (1) on the left and the right.

2. The rainwater leakage prevention structure for the precast concrete external wall panel according to claim 1, wherein: water-proof component I (21) includes metal substrate (211), wrap up in metal substrate (211) by interior and be equipped with concrete protection layer (212), waterproof coating (213) outward in proper order, just the material of waterproof coating (213) is cement base infiltration crystallization type waterproof coating, the up end of water-proof component I (21) is the concave surface setting, water delivery component I (22) runs through waterproof coating (213), concrete protection layer (212) and metal substrate (211) set up, just water delivery component I (22) with the contact surface of waterproof coating (213), concrete protection layer (212) and metal substrate (211) is equipped with the waterproof gasket that the material is polytetrafluoroethylene.

3. The rainwater leakage prevention structure for the precast concrete external wall panel according to claim 2, wherein: the water delivery member I (22) is located the middle part setting of water-stop member I (21), just water delivery member I (22) includes T type water-stop sheet (221), the outer terminal surface of T water-stop sheet (221) encloses and has closed permeable bed (222), just the bottom of permeable bed (222) and the level end that is located T type water-stop sheet (221) bottom are airtight to meet, run through the top of T type water-stop sheet (221) and permeable bed (222) is equipped with a plurality of water service pipes I (223), and the bottom level that is located T type water-stop sheet (221) is equipped with a plurality of water service pipes II (224) that are used for communicateing a plurality of water service pipes I (223), and a plurality of both ends opening of water service pipe II (224) is airtight with permeable bed (222) respectively and meets.

4. The rainwater leakage prevention structure for precast concrete external wall panel according to claim 3, wherein: the T-shaped water-stop sheet (221) is made of polytetrafluoroethylene, and the water permeable layer (222) is made of pervious concrete.

5. The rainwater leakage prevention structure for the precast concrete external wall panel according to claim 4, wherein: the structures of the water-stop member II (31) and the water delivery member II (32) are respectively the same as those of the water-stop member I (21) and the water delivery member I (22), and when the vertical connecting pieces (3) which are adjacent up and down are connected, a water pipe I in the water delivery member II (32) at the upper end is communicated with a water pipe I in the water delivery member II (32) at the lower end.

6. The rainwater leakage prevention structure for the precast concrete external wall panel according to claim 5, wherein: the prefabricated concrete slab is characterized in that the upper end and the lower end of the prefabricated concrete slab (1) are provided with a groove I (11) matched with the water delivery member I (22), a plurality of water service pipes III (12) penetrate through the prefabricated concrete slab (1), and when the water delivery member I (22) is tightly inserted into the groove I (11), the water service pipes I (223) are communicated with the water service pipes III (12).

7. The rainwater leakage prevention structure for precast concrete external wall panel according to claim 6, wherein: and grooves II (13) matched with the water-resisting members II (31) are formed at the left end and the right end of the precast concrete slab (1).

8. The rainwater leakage prevention structure for precast concrete external wall panel according to any one of claims 2 to 7, wherein: a filling cavity (214) used for filling silencing cotton is arranged in the metal substrate (211), and the metal substrate (211) is made of stainless steel.

Technical Field

The invention relates to the technical field of building waterproofing, in particular to a rainwater leakage prevention structure for a precast concrete external wall panel.

Background

The waterproof leakage structure for the precast concrete external wall panel is provided with the publication number of CN101864829B, wherein a vertical separation joint is formed at the intersection of every two adjacent precast concrete panels; every two adjacent precast concrete plates are connected in a stepped manner to form a horizontal separation seam on the outer side of the building, an internal separation seam and a horizontal separation seam on the inner side of the building; the foamed polyethylene round bar and the waterproof glue are arranged on the horizontal separation seam on the inner side of the building and the vertical separation seam on the inner side of the building; forming a wedge-shaped gap shape at a horizontal separation seam on the outer side of the building; symmetrical openings are formed on two sides of the vertical separation seam, and rubber water baffles are arranged; the ladder connecting surfaces of two adjacent precast concrete plates on the left and right at the intersection of the horizontal separation seam and the vertical separation seam are covered by an aluminum foil plate, and each rubber water baffle plate extends downwards and extends to the aluminum foil plate of the precast concrete plate. Above-mentioned waterproof water seepage structure of precast concrete side fascia moves the inboard of wall through the waterproof glue with conventional setting in the outer wall outside, reduces the influence of building external environment to waterproof glue to and when the rubber breakwater had moisture, can flow naturally on the aluminium foil board, flow along wedge refluence breach again, thereby reached waterproof effect. However, the above-described apparatus is not inconvenient to assemble, and has poor and inefficient effects on infiltration into the precast concrete panel and treatment of moisture at the junction of the precast concrete panels.

Disclosure of Invention

The invention aims to provide a rainwater leakage prevention structure for a precast concrete external wall panel, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a rain leakage prevention structure for a precast concrete external wall panel comprises precast concrete panels and structural members for supporting the precast concrete panels, wherein horizontal separation seams are formed at the intersections of the precast concrete panels which are adjacent up and down, vertical separation seams are formed at the intersections of the precast concrete panels which are adjacent left and right, horizontal connecting members for connecting the precast concrete panels which are adjacent up and down are arranged at the horizontal separation seams, each horizontal connecting member comprises a water-resisting member I and a water conveying member I which are vertically arranged, when the upper side end surface and the lower side end surface of the water-resisting member I are respectively and tightly connected with the precast concrete panels which are adjacent up and down, the upper end and the lower end surface of the water conveying member I are respectively inserted into the precast concrete panels which are adjacent up and down, and vertical connecting members for connecting the precast concrete panels which are adjacent left and right are arranged at the vertical separation seams, the vertical connecting piece comprises a water-resisting component II and a water delivery component II which are perpendicular to each other, and when the left side end face and the right side end face of the water delivery component II are respectively and tightly connected with the left adjacent precast concrete plate and the right adjacent precast concrete plate, the left end face and the right end face of the water-resisting component II are respectively inserted into the left adjacent precast concrete plate and the right adjacent precast concrete plate.

Preferably, water-proof component I includes the metal substrate, wrap up in the metal substrate from interior to exterior is equipped with concrete protective layer, waterproof coating in proper order, just waterproof coating's material is cement base infiltration crystallization type water proof coating, the up end of water-proof component I is the concave surface setting, water delivery component I runs through waterproof coating, concrete protective layer and metal substrate setting, just water delivery component I with the contact surface of waterproof coating, concrete protective layer and metal substrate is equipped with the waterproof gasket that the material is polytetrafluoroethylene.

Preferably, water delivery member I is located the middle part setting of water-stop member I, just water delivery member I includes T type water-stop sheet, the outer terminal surface of T water-stop sheet encloses and has closed the permeable bed, just the bottom of permeable bed and the airtight meeting of the horizontal end that is located T type water-stop sheet bottom run through T type water-stop sheet and permeable bed's top is equipped with a plurality of water service pipes I, and the bottom level that is located T type water-stop sheet is equipped with a plurality of being used for the intercommunication a plurality of water service pipe II of water service pipe I, and a plurality of the both ends opening of water service pipe II is airtight meeting with the permeable bed respectively.

Preferably, the T-shaped water-stop sheet is made of polytetrafluoroethylene, and the permeable layer is made of permeable concrete.

Preferably, the water-stop member ii and the water delivery member ii have the same structures as the water-stop member i and the water delivery member i, respectively, and when the vertical connecting members adjacent to each other are connected, the water pipe i in the water delivery member ii at the upper end is communicated with the water pipe i in the water delivery member ii at the lower end.

Preferably, the upper end and the lower end of the precast concrete slab are provided with a groove I matched with the water delivery member I, a plurality of water service pipes III penetrate through the precast concrete slab, and when the water delivery member I is tightly inserted into the groove I, the water service pipes I are communicated with the water service pipes III.

Preferably, the left end and the right end of the precast concrete slab are provided with grooves II matched with the water-resisting members II.

Preferably, a filling cavity for filling the silencing cotton is arranged in the metal substrate, and the metal substrate is made of stainless steel.

Compared with the prior art, the invention has the beneficial effects that:

the invention connects the upper and lower adjacent precast concrete plates through the horizontal connecting piece, connects the left and right adjacent precast concrete plates through the vertical connecting piece, has simple structure and convenient assembly and use, in addition, the invention collects the water to the water conveying component I through the concave upper end surface of the water-resisting component I, the water enters the water pipe II through the water permeable layer at the outer end of the water conveying component I and then enters the water pipe I, finally the water in the upper precast concrete plate is intensively discharged downwards through the water pipe I and the water pipe III, the diffusion time and the diffusion area of the water in the precast concrete plates are reduced, the waterproof effect of the precast concrete external wall panel is further improved, the water between the left and right adjacent precast concrete plates can be directly discharged downwards through the water pipe I through the matching of the upper and lower connected water conveying components II, and simultaneously, the water permeable layer of the water conveying component II is matched with the water-resisting component II, the water seepage of the end parts of the left and right adjacent precast concrete slabs can be slowly collected into the water permeable layer of the water delivery component II, and the water permeable layer is discharged through the water delivery pipeline II and the water delivery pipeline I in the water delivery component II, the diffusion area and the drainage time of water in the precast concrete slabs are further reduced, the waterproof effect of the precast concrete external wall slab is further improved, therefore, the water in the precast concrete slabs is regionally concentrated through the water-proof component I and the water-proof component II, vertical drainage channels distributed in a staggered mode are formed in the precast concrete external wall slab through the water delivery component I and the water delivery component II, the water in the precast concrete slabs and between the precast concrete slabs is simultaneously discharged, the contact time of the precast concrete external wall slab and the water is greatly reduced, and the waterproof effect of the precast concrete external wall slab is effectively improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the water-stop member I and the water delivery member I;

FIG. 3 is a schematic view of the structure of the water-stop member II and the water delivery member II;

FIG. 4 is a schematic diagram of a precast concrete slab structure according to the present invention;

FIG. 5 is a schematic view showing a structure of a water pipe I and a water pipe II according to the present invention.

In the figure: 1 precast concrete board, 11 grooves I, 12 water service pipes III, 13 grooves II, 2 horizontal connectors, 21 water-stop members I, 211 metal substrates, 212 concrete protective layers, 213 waterproof coatings, 214 filling cavities, 22 water delivery members I, 221T type water-stop plates, 222 water-stop layers, 223 water service pipes I, 224 water service pipes II, 3 vertical connections, 31 water-stop members II and 32 water delivery members II.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1 to 5, the present invention provides a technical solution:

a rain leakage prevention structure for a precast concrete external wall panel comprises precast concrete panels 1 and structural members for supporting the precast concrete panels 1, wherein horizontal separation seams are formed at the intersections of the upper precast concrete panel 1 and the lower precast concrete panel 1 which are adjacent, vertical separation seams are formed at the intersections of the left precast concrete panel 1 and the right precast concrete panel 1 which are adjacent, horizontal connecting members 2 for connecting the upper precast concrete panel 1 and the lower precast concrete panel 1 are arranged at the horizontal separation seams, the horizontal connecting members 2 comprise water-proof members I21 and water conveying members I22 which are vertically arranged, when the upper side end surfaces and the lower side end surfaces of the water-proof members I21 are respectively and tightly connected with the upper precast concrete panel 1 and the lower precast concrete panel 1 which are adjacent, the upper end surfaces and the lower end surfaces of the water conveying members I22 are respectively inserted in the upper precast concrete panel 1 and the lower concrete panel 1 which are adjacent, vertical connecting members 3 for connecting the left precast concrete panel 1 and the right precast concrete panel which are adjacent are arranged at the vertical separation seams, the vertical connecting piece 3 comprises a water-resisting component II 31 and a water conveying component II 32 which are perpendicular to each other, and when the left side end face and the right side end face of the water conveying component II 32 are respectively and tightly connected with the left precast concrete plate 1 and the right precast concrete plate 1 which are adjacent to each other, the left end face and the right end face of the water-resisting component II 31 are respectively inserted into the left precast concrete plate 1 and the right precast concrete plate 1 which are adjacent to each other; the water-resisting component I21 comprises a metal substrate 211, the metal substrate 211 is made of stainless steel, a concrete protective layer 212 and a waterproof coating 213 are sequentially arranged on the metal substrate 211 from inside to outside in a wrapping mode, the waterproof coating 213 is made of a cement-based capillary crystalline waterproof coating, the upper end face of the water-resisting component I21 is arranged in a concave mode, a water conveying component I22 penetrates through the waterproof coating 213, the concrete protective layer 212 and the metal substrate 211, and waterproof gaskets made of polytetrafluoroethylene are arranged on contact surfaces of the water conveying component I22, the waterproof coating 213, the concrete protective layer 212 and the metal substrate 211; the water conveying component I22 is arranged in the middle of the water stop component I21, the water conveying component I22 comprises a T-shaped water stop plate 221, a water permeable layer 222 is enclosed on the outer end face of the T-shaped water stop plate 221, the bottom of the water permeable layer 222 is connected with the horizontal end of the bottom of the T-shaped water stop plate 221 in a sealing mode, a plurality of water service pipes I223 are arranged on the top portion penetrating through the T-shaped water stop plate 221 and the water permeable layer 222, a plurality of water service pipes II 224 used for communicating the water service pipes I223 are horizontally arranged on the bottom of the T-shaped water stop plate 221, and openings at two ends of the water service pipes II 224 are respectively connected with the water permeable layer 222 in a sealing mode; the T-shaped water-stop sheet 221 is made of polytetrafluoroethylene, and the water-permeable layer 222 is made of water-permeable concrete;

the structures of the water stop member II 31 and the water delivery member II 32 are respectively the same as those of the water stop member I21 and the water delivery member I22, and when the vertical connecting pieces 3 which are adjacent up and down are connected, a water pipe I in the water delivery member II 32 at the upper end is communicated with a water pipe I in the water delivery member II 32 at the lower end; in addition, the upper end and the lower end of the precast concrete plate 1 are provided with a groove I11 matched with the water delivery member I22, a plurality of water service pipes III 12 are arranged through the precast concrete plate 1, when the water delivery member I22 is tightly inserted into the groove I11, the water service pipes I223 are communicated with the water service pipes III 12, and the left end and the right end of the precast concrete plate 1 are provided with a groove II 13 matched with the water insulation member II 31;

in addition, a filling cavity 214 for filling sound attenuation cotton is arranged in the metal substrate 211, so that the sound insulation effect of the precast concrete outer wall is improved.

The use principle of the invention is as follows: the invention has simple assembly and use, particularly connects the upper and lower adjacent precast concrete plates 1 by the horizontal connecting piece 2, ensures that the upper and lower ends of the water conveying member I22 are distributed and inserted in the groove I11, further, the water service pipe III 12 is communicated with the water service pipe I223, the left precast concrete plate 1 and the right precast concrete plate 1 are connected through the vertical connecting piece 3, the water-resisting component II 31 is inserted into the groove II 13, and when every two groups of left and right adjacent precast concrete plates 1 are vertically assembled, the water pipe I in the water delivery member II 32 at the upper end is communicated and connected with the water pipe I in the water delivery member II 32 at the lower end, so that, the precast concrete external wall panel is formed by assembling and matching the precast concrete panel 1, the horizontal connecting piece 2, the vertical connecting piece 3 and the structural member, the connection mode of the precast concrete plate 1 and the structural member and the specific structure of the structural member can be realized by adopting the prior art in the background technology;

specifically, when moisture in the precast concrete slabs 1 permeates to the upper end faces of the water-resisting members I21, the cement-based permeable crystalline waterproof coating forms crystals at gaps of the inner surface layers of the concrete protection layers 212, so that compact waterproof coatings are formed inside and outside the concrete protection layers 212, the moisture is prevented from directly permeating downwards, and further the influence of water seepage among the precast concrete slabs 1 is avoided;

specifically, when water reaches the upper end of the water-resisting member I21, water is collected to the water delivery member I22 through the concave upper end face of the water-resisting member I21, the water enters the water through pipe II 224 through the water permeable layer 222 at the outer end of the water delivery member I22 and then enters the water through pipe I223, finally, the water in the precast concrete slab 1 on the upper layer is discharged downwards in a concentrated mode through the water through pipe I223 and the water through pipe III 12, the diffusion time and the diffusion area of the water in the precast concrete slab 1 are reduced, and the waterproof effect of the precast concrete external wall panel is improved;

specifically, the water between the left and right adjacent precast concrete panels 1 can be directly discharged downwards through the water pipe I by the matching of the water conveying members II 32 connected up and down, and simultaneously, the water seepage at the end parts of the left and right adjacent precast concrete panels 1 can be slowly converged into the water permeable layer of the water conveying member II 32 by the matching of the water permeable layer of the water conveying member II 32 and the water stopping member II 31 and is discharged through the water pipe II and the water pipe I in the water conveying member II 32, so that the diffusion area and the drainage time of the water in the precast concrete panels 1 are further reduced, the waterproof effect of the precast concrete external wall panels is further improved, therefore, the water in the precast concrete panels 1 is regionally concentrated by the water stopping member I21 and the water stopping member II 31, and vertical drainage channels which are distributed in a staggered manner are formed in the precast concrete external wall panels by the water conveying member I22 and the water conveying member II 32, the water in the precast concrete plates 1 and between the precast concrete plates 1 is simultaneously discharged, so that the contact time of the precast concrete external wall panel and the water is greatly reduced, and the waterproof effect of the precast concrete external wall panel is effectively improved;

specifically, the sound insulation effect of the precast concrete external wall panel can be effectively improved through the sound-absorbing cotton arranged in the metal substrate 211;

the specific structural dimensions of the water stop member I21, the water delivery member I22, the water stop member II 31 and the water delivery member II 32 are set according to actual requirements, and no specific limitation is made on the specific structural dimensions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.