CN217027601U

CN217027601U - House outer wall waterproof construction

Info

Publication number: CN217027601U
Application number: CN202220457154.3U
Authority: CN
Inventors: 张敏; 沈曦; 王凯; 吴伟峰; 伍琪斌
Original assignee: HUAYU CONSTRUCTION GROUP CO Ltd
Current assignee: HUAYU CONSTRUCTION GROUP CO Ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-07-22
Anticipated expiration: 2032-03-04

Abstract

The utility model relates to the technical field of house outer wall waterproofing, in particular to a house outer wall waterproofing structure which comprises a brick wall body, a waterproof layer, a primary drainage layer and a concrete layer which are sequentially arranged from inside to outside, wherein the primary drainage layer comprises pebbles stacked between the waterproof layer and the concrete layer, and drainage gaps are formed among the pebbles. Rainwater mainly flows among drainage gaps among the stacked pebbles, the trend that the rainwater continuously permeates inwards towards the waterproof layer is greatly weakened, and the capability of the waterproof structure for weakening rainwater permeation is effectively improved; and the rainwater mainly can flow down under the action of gravity in the drainage clearance of one-level drainage blanket, and the rainwater flows to the bottommost in will permeating ground, and the rainwater is discharged from the wall body, effectively improves waterproof ability.

Description

House outer wall waterproof construction

Technical Field

The utility model relates to the technical field of house outer wall waterproofing, in particular to a house outer wall waterproofing structure.

Background

With the development of society, the living standard of people is continuously improved, and the living environment and the working environment are continuously improved. Small buildings of the structure of red bricks and hollow slabs have been used in the past. The brick concrete and frame structure of today not only increases the use space, and the shock resistance is stronger. However, the problem of crack and water seepage of the outer wall of the frame structure is one of the common quality problems. At present, in order to improve the waterproof and anti-seepage performance of the outer wall surface, a concrete layer and a putty layer are coated on the outer surface of the wall body, the putty layer is poor in waterproof effect and mainly plays a role in decoration, and after the concrete layer is corroded for a long time, cracks and other hidden diseases are generated, so that water permeates into the wall body and finally permeates into a room. The water is difficult to remove after permeating into the wall body, which is one of the important reasons for the difficulty of water proofing the wall surface.

In view of the above problems, there are many waterproof structures for exterior walls of houses, such as the waterproof structure for exterior walls of buildings disclosed in chinese patent application No. 201910481346.0, which includes: the water absorption layer is formed by interweaving a plurality of longitudinal water absorption plates and a plurality of transverse mounting plates, the water absorption plates and the mounting plates are fixedly connected at intersection points, a plurality of through holes are formed in the side face, opposite to the concrete layer, of each water absorption plate, and a silica gel drying agent made water absorption body is arranged in each cavity; the top and the top of the water absorption plate are respectively provided with an air inlet and an air outlet which are communicated with the inner cavity, and the air inlets are connected to the electric heating box and the fan. The method adopts the technical scheme that a water absorption body is arranged in a concrete layer of the wall surface, the permeated water is absorbed by the water absorption body and cannot continuously permeate into the wall, and the water of the water absorption body made of silica gel desiccant is removed by blowing hot air regularly, so that the effect of long-term reuse is achieved; however, the water absorption layer in the patent is formed by interweaving a plurality of longitudinal water absorption plates and a plurality of transverse mounting plates, and needs to enter the cavity in the water absorption plates through the through holes on the water absorption plates to be absorbed, and when water seeps from the actual outer wall, the whole wall body has water seepage, obviously, the water absorption plates have weak covering capacity on the wall surface, cannot absorb a large amount of water, and still can cause water to continuously seep into the wall body after crossing the water absorption plates.

SUMMERY OF THE UTILITY MODEL

The utility model is to provide a waterproof structure for an outer wall of a house, which comprises a brick wall, a waterproof layer, a primary drainage layer and a concrete layer which are sequentially arranged from inside to outside, wherein the primary drainage layer comprises pebbles stacked between the waterproof layer and the concrete layer, and drainage gaps are formed among the pebbles.

Preferably, the primary drainage layer further comprises a plurality of support plates transversely erected between the waterproof layer and the concrete layer, and the support plates are provided with vertically-through drainage through holes.

Preferably, the support plates are arranged at regular intervals in the vertical direction.

Preferably, the support plate is provided with the drainage through holes.

Preferably, a water absorbing layer is fixed on the side surface of the waterproof layer back to the primary drainage layer.

Preferably, a secondary drainage layer is arranged between the water absorption layer and the brick wall body, the secondary drainage layer comprises a push plate and a push rod, one end of the push rod is connected with the push plate, the other end of the push rod penetrates through the brick wall body and extends out of one side of the brick wall body, which is far away from the water absorption layer, and the push rod can drive the push plate to extrude the water absorption layer.

Preferably, a plurality of inclined drainage plates extending horizontally and transversely are fixed on one side of the push plate facing the water absorbing layer, each drainage plate is provided with a flow guide surface facing the water absorbing layer and a lapping surface departing from the water absorbing layer, the drainage plates are arranged along the vertical direction, and the drainage plates abut against the flow guide surfaces of the adjacent drainage plates through the lapping surfaces.

Preferably, the push plate is made of a waterproof material.

Preferably, a tension spring is connected between the push plate and the brick wall body.

Preferably, the outer side of the concrete layer is coated with a waterproof coating.

Has the beneficial effects that:

rainwater mainly flows among drainage gaps among the stacked pebbles, the trend that the rainwater continuously penetrates inwards towards the waterproof layer is greatly weakened, and the capability of the waterproof structure for weakening the rainwater penetration is effectively improved; and the rainwater mainly can flow down under the action of gravity in the drainage clearance on one-level drainage blanket, and the rainwater flows to the bottommost will permeate ground, and the rainwater discharges from the wall body, effectively improves waterproof ability.

Drawings

Fig. 1 is a general schematic view of the waterproof structure of the outer wall of the house;

FIG. 2 is a schematic view of a primary drainage layer and a secondary drainage layer;

FIG. 3 is a schematic view of a drain plate;

in the figure: 1. brick wall body, 2, waterproof layer, 3, primary drainage layer, 31, cobble, 32, backup pad, 4, concrete layer, 5, the layer that absorbs water, 6, second grade concrete layer, 61, push pedal, 62, push rod, 63, drain bar, 631, water conservancy diversion face, 632, faying surface, 7, extension spring.

Detailed Description

The following specific examples are given by way of illustration only and not by way of limitation, and it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made in the examples without inventive faculty, and yet still be protected by the scope of the claims.

The utility model relates to a house outer wall waterproof structure, which comprises a brick wall body 1, a waterproof layer 2, a primary drainage layer 3 and a concrete layer 4 which are sequentially arranged from inside to outside, wherein the primary drainage layer 3 comprises pebbles 31 stacked between the waterproof layer 2 and the concrete layer 4, drainage gaps are formed among the pebbles 31, once rainwater penetrates through the concrete layer 4, the rainwater enters the primary drainage layer 3, the primary drainage layer 3 comprises the stacked pebbles 31, so the pebbles 31 cover and lean against the side surface of the concrete layer 4, rainwater seeps out from any part of the concrete layer 4 and can enter drainage gaps among the pebbles 31, the primary drainage layer 3 has strong capability of accommodating the rainwater, the rainwater mainly flows among the drainage gaps among the stacked pebbles 31, and the tendency of the rainwater to continuously penetrate inwards towards the waterproof layer 2 is greatly weakened, the capability of weakening rainwater penetration of the waterproof structure is effectively improved; and the rainwater mainly can flow down under the action of gravity in the drainage clearance of one-level drainage blanket 3, and the rainwater flows to the bottommost will permeate ground, and the rainwater is discharged from the wall body, effectively improves waterproof ability.

Need pile up the cobble 31 between waterproof layer 2 and concrete layer 4 when the construction, the cobble 31 whole has the trend of extrusion down after piling up, and then makes the cobble 31 of lower part can produce the extrusion force towards the side direction to waterproof layer 2 and concrete layer 4, leads to the fastness of laminating connection between concrete layer 4, one-level drainage layer 3 and the waterproof layer 2 to receive the influence. Therefore, in this embodiment, it is preferable that the primary drainage layer 3 further includes a plurality of support plates 32 transversely erected between the waterproof layer 2 and the concrete layer 4, the support plates 32 are provided with vertically through drainage through holes, so that the pebbles 31 in the primary drainage layer 3 are separated by the plurality of support plates 32, the pebbles 31 between two adjacent support plates 32 are supported by the support plates 32 located below, each support plate 32 supports a part of the pebbles 31, the weight of all the pebbles 31 is divided and supported, the lateral extrusion force of each part of the pebbles 31 on the waterproof layer 2 and the concrete layer 4 is small, the influence of the extrusion force on the firmness of the joint connection between the concrete layer 4, the primary drainage layer 3 and the waterproof layer 2 is effectively reduced, and the structural strength is ensured. And the supporting plate 32 is fixedly connected with the waterproof layer 2 and the concrete layer 4, so that the overall structural strength can be further improved, and the drainage through holes formed in the supporting plate 32 ensure that rainwater can smoothly flow downwards to realize drainage.

Further, in this embodiment, it is preferable that the supporting plates 32 are uniformly arranged at intervals along the up-down direction, so that the weight of the pebbles 31 in each part is substantially the same, and the lateral extrusion forces of the pebbles 31 on the waterproof layer 2 and the concrete layer 4 in the up-down direction are relatively balanced, thereby ensuring the structural stability. Further, preferably, the support plate 32 is fully distributed with the drainage through holes, so that rainwater infiltration efficiency is improved, and a drainage effect is improved.

One-level drainage blanket 3 can be discharged most rainwater to waterproof layer 2 adopts special waterproof material such as waterproof fiber net, can effectively block the rainwater, still has partial rainwater can ooze and continue infiltration toward the inside behind waterproof layer 2, and consequently this embodiment is preferred waterproof layer 2 is gone up the back of the body towards be fixed with layer 5 that absorbs water on one-level drainage blanket 3's the side, layer 5 that absorbs water can absorb the rainwater of crossing waterproof layer 2, avoids this part rainwater to continue infiltration toward the inside, improves water-proof effects, layer 5 that absorbs water can select for use materials such as cotton that absorbs water. However, the water absorbing capacity of the water absorbing layer 5 is limited, once the water absorbing layer is saturated, the water cannot be absorbed continuously, and the water absorbed by the water absorbing layer needs to be discharged to absorb water again, so in this embodiment, preferably, a secondary water draining layer 6 is arranged between the water absorbing layer 5 and the brick wall 1, the secondary water draining layer 6 includes a push plate 61 and a push rod 62, one end of the push rod 62 is connected to the push plate 61, and the other end of the push rod 62 penetrates through the brick wall 1 and extends out of one side of the brick wall 1 away from the water absorbing layer 5, and the push rod 62 can drive the push plate 61 to press the water absorbing layer 5. In rainy days, the push rod 62 is driven by the push rod 62 to extrude the water absorbing layer 5 at intervals, so that rainwater absorbed in the water absorbing layer 5 can be drained, and the water absorbing layer 5 recovers the water absorbing capacity.

During the process that the push plate 61 presses the water absorbing layer 5, a large amount of rainwater is squeezed out and covers the side surface of the push plate 61, and the rainwater is likely to penetrate through the push plate 61 and then further penetrate inwards. To solve the above problem, it is preferable in this embodiment that a plurality of inclined drainage plates 63 extending horizontally and transversely are fixed on one side of the push plate 61 facing the water absorbing layer 5, each drainage plate 63 has a flow guide surface 31 facing the water absorbing layer 5 and a lapping surface 632 facing away from the water absorbing layer 5, the drainage plates 63 are arranged in the up-down direction, and the drainage plates 63 abut against the flow guide surface 31 of the adjacent drainage plate 63 through the lapping surface 632. The drain bar 63 that arranges along upper and lower direction just like this forms similar lapped structure of tile through the overlap joint between each other, from the rainwater of the flow guide face 31 of a drain bar 63 of top down flowing on the flow guide face 31 of a drain bar 63 down, the rainwater can not cross the whole of the overlap joint formation of drain bar 63 easily and contact push pedal 61, so realized rainwater and push pedal 61's effective separation, further improved water-proof effects. Further, the push plate 61 is preferably made of a common waterproof material, such as a polyurethane material, so as to improve the blocking capability of the push plate 61 against rainwater.

Push pedal 61 drives through push rod 62 to the extrusion of water absorption layer 5, and push rod 62 passes brick wall body 1 and stretches into indoorly, the manual operation of being convenient for, and it removes to need make a round trip to drive push rod 62 during continuous extrusion, for laborsaving, preferred push pedal 61 with still be connected with extension spring 7 between the brick wall body 1, after the extrusion is accomplished, need not artificially exert force, extension spring 7 can be automatic with push pedal 61 back pull, realize resetting. Furthermore, the outer side surface of the concrete layer 4 is coated with a waterproof coating, such as an acrylic waterproof coating, so that the waterproof effect is further improved.

While the utility model has been described with reference to specific embodiments, the utility model is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the utility model. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a house outer wall waterproof construction, its characterized in that includes brick wall body (1), waterproof layer (2), one-level drainage blanket (3) and concrete layer (4) of arranging in proper order outside to by interior, one-level drainage blanket (3) are including piling up waterproof layer (2) with cobble (31) between concrete layer (4), the drainage clearance has between cobble (31).

2. The waterproof structure of the outer wall of the house as claimed in claim 1, wherein the primary drainage layer (3) further comprises a plurality of support plates (32) transversely erected between the waterproof layer (2) and the concrete layer (4), and the support plates (32) are provided with vertically through drainage through holes.

3. The waterproof structure for the exterior wall of a house of claim 2, wherein said support plates (32) are arranged at regular intervals in the up-down direction.

4. The waterproof structure for the external wall of the house as claimed in claim 2, wherein said support plate (32) is covered with said drainage through holes.

5. The waterproof structure for the external wall of the house as claimed in claim 1, wherein a water absorbing layer (5) is fixed on the side of the waterproof layer (2) facing away from the primary drainage layer (3).

6. The waterproof structure for the external wall of the house as recited in claim 5, wherein a secondary drainage layer (6) is arranged between the water absorbing layer (5) and the brick wall body (1), the secondary drainage layer (6) comprises a push plate (61) and a push rod (62), one end of the push rod (62) is connected with the push plate (61) while the other end of the push rod passes through the brick wall body (1) and extends out of the brick wall body (1) on the side away from the water absorbing layer (5), and the push rod (62) can drive the push plate (61) to extrude the water absorbing layer (5).

7. The house external wall waterproof structure according to claim 6, characterized in that a plurality of inclined drainage plates (63) extending in a horizontal transverse direction are fixed on one side of the push plate (61) facing the water absorbing layer (5), the drainage plates (63) have a diversion surface (631) facing the water absorbing layer (5) and an overlapping surface (632) facing away from the water absorbing layer (5), the drainage plates (63) are arranged in an up-and-down direction, and the drainage plates (63) abut against the diversion surface (631) of the adjacent drainage plate (63) through the overlapping surface (632).

8. The waterproof structure for the external wall of the house as claimed in claim 7, wherein said push plate (61) is made of a waterproof material.

9. The waterproof structure for the external wall of the house as claimed in claim 6, wherein a tension spring (7) is further connected between the push plate (61) and the brick wall body (1).

10. The waterproofing structure for external walls of houses according to claim 1, wherein said concrete layer (4) is coated with a waterproofing coating on the outside.