Joint waterproof connecting structure

Abstract

The utility model relates to the technical field of constructional engineering, and discloses a waterproof connecting structure for a joint, which is used for vertical assembly of a prefabricated externally-hung sandwich thermal insulation wall and comprises a sealing unit, a barrier strip is fixedly arranged on the outer side face of the sealing unit, an elastic sealing strip is arranged between the barrier strip and the sealing unit, and the elastic sealing strip is fixedly connected with the sealing unit. Expansion rubber strips are arranged on the inner side surfaces, in contact with the prefabricated externally-hung sandwich thermal insulation wall, of the sealing units; a water guide assembly is arranged at the bottom of the sealing unit, the water guide assembly comprises a water guide channel, a screw is arranged on the water guide channel, the water guide channel is fixedly connected with the sealing unit through the screw, and a water collecting tank is fixedly installed at the bottom of the water guide channel. According to the joint waterproof connection structure, the elastic sealing strip and the expansion rubber strip are arranged to form a dynamic and static double waterproof barrier, the expansion rubber strip designed to be of a honeycomb through hole structure enables the expansion speed of the rubber strip to be increased, micro cracks can be closed in time, and the rainwater permeation amount under the rainstorm working condition will be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to building engineering technical field, concretely is a kind of joint waterproof connection structure. BACKGROUND

[0002] Traditional outer wall joint waterproofing has obvious defects: one is single sealing glue easy aging cracking;Two is that the drainage path is not smooth, which leads to water accumulation in the joint, and the incidence of frost heaving damage is higher in winter;Three is that mechanical fixing parts form a cold bridge, which increases heat loss, and cannot solve the sealing failure problem caused by wallboard thermal displacement;Lead to increase the leakage rate of rainwater under storm conditions, cannot meet the protection needs of high-rise buildings, therefore we provide a kind of joint waterproof connection structure to solve the above problems. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a kind of joint waterproof connection structure, solve the problem mentioned in the above background.

[0004] The utility model provides following technical scheme: a kind of joint waterproof connection structure, for the vertical assembly of prefabricated outer hanging sandwich heat insulation wall, comprising: sealing unit, the outer side of the sealing unit is fixedly arranged with baffle, baffle and sealing unit between are provided with elastic sealing strip, the inner side of the sealing unit and the prefabricated outer hanging sandwich heat insulation wall contact is provided with expansion adhesive strip;The bottom of the sealing unit is provided with water guide component, and the water guide component includes water guide channel, screw is set on the water guide channel, and water guide channel is fixedly connected with sealing unit by screw, the bottom of the water guide channel is fixedly installed with water collecting tank, drainage hole is opened on the water collecting tank, the upper of screw is provided with water retaining edge, and the water retaining edge is fixedly connected with sealing unit;The top of the sealing unit is provided with locking component, and the locking component includes the elastic compression block and the positioning column fixedly connected with sealing unit and the anchor bolt fixedly connected with the prefabricated outer hanging sandwich heat insulation wall, the lower end of the anchor bolt is fixedly installed with first flange, and the side surface adjacent to the first flange of the elastic compression block is fixedly installed with second flange.

[0005] Preferably, the baffle is designed as an L-shaped structure, and the baffle and the sealing unit are located at the joint of the prefabricated outer hanging sandwich heat insulation wall.

[0006] Preferably, the expansion adhesive strip is internally pre-provided with a honeycomb-shaped through hole, and the honeycomb-shaped through hole is filled with water-swelling resin particles.

[0007] Preferably, the water guide channel has a V-shaped cross section, and the inner wall of the water guide channel is provided with a flow guide convex rib.

[0008] Preferably, a gap exists between the water retaining edge and the water guide channel, and the water retaining edge is located below the baffle.

[0009] Preferably, the prefabricated external hanging sandwich heat insulation wall is provided with an auxiliary hole with a shape consistent with the positioning column, and the positioning column can be inserted into the prefabricated external hanging sandwich heat insulation wall through the auxiliary hole.

[0010] Preferably, the anchor bolt is clamped by the first wing and the second wing.

[0011] Preferably, the prefabricated external hanging sandwich heat insulation wall is provided with a cavity for accommodating the elastic compression block, and the top surface of the elastic compression block can be in contact with the side wall of the cavity.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1、The joint waterproof connection structure forms dynamic and static double waterproof barriers through the setting of the elastic sealing strip and the expansion adhesive strip, and the expansion adhesive strip with the honeycomb through hole structure design makes the expansion speed of the adhesive strip faster, so that the micro crack can be instantaneously closed, and the penetration amount of rainwater under heavy rain working condition is reduced.

[0014] 2、The joint waterproof connection structure improves the drainage efficiency through the setting of the V-shaped water guide channel and the water collecting groove system, and additionally sets the elastic compression block between the sealing unit and the prefabricated external hanging sandwich heat insulation wall, so that when the wallboard expands or shrinks due to temperature change, the elastic compression block can absorb part of the deformation amount, thereby reducing the displacement of the wallboard, and the thermal expansion and cold shrinkage adaptability is significantly enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is Figure 1 It is a structure enlarged schematic view of A in the middle;

[0017] Figure 3 It is an explosion view of the prefabricated external hanging sandwich heat insulation wall structure of the utility model;

[0018] Figure 4 It is a bottom surface part structure schematic view of the prefabricated external hanging sandwich heat insulation wall of the utility model;

[0019] Figure 5 It is a part structure section view of the utility model.

[0020] In the drawing: 1, sealing unit; 11, baffle; 12, elastic sealing strip; 13, expansion adhesive strip; 2, water guide assembly; 21, water guide channel; 22, water collecting groove; 23, drainage hole; 24, water retaining edge; 25, screw; 3, locking assembly; 31, elastic compression block; 32, positioning column; 33, anchor bolt; 34, first wing; 35, second wing; 4, prefabricated external hanging sandwich heat insulation wall. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-5 A kind of joint waterproof connection structure, for the vertical assembly of prefabricated external hanging sandwich insulation wall 4, it include: sealing unit 1, the outer side of sealing unit 1 is fixedly provided with baffle 11, baffle 11 and sealing unit 1 between being provided with elastic sealing strip 12, baffle 11 is L type structure design, and baffle 11 and sealing unit 1 and the joint of prefabricated external hanging sandwich insulation wall 4, the inner side of sealing unit 1 and prefabricated external hanging sandwich insulation wall 4 contact is provided with expansion adhesive tape 13;Expansion adhesive tape 13 inside is preset with honeycomb hole, the honeycomb hole is filled with water-swelling resin particles, the surface of elastic sealing strip 12 is provided with hydrophobic coating, and the first waterproof interface is formed, the resin particles of expansion adhesive tape 13 honeycomb hole swell after water, micron level gap between wallboards is closed, and the overall waterproof performance is further improved.

[0023] The bottom of sealing unit 1 is provided with water guide assembly 2, and the water guide assembly 2 includes water guide channel 21, the water guide channel 21 is V-shaped in cross section, and the inner wall of the water guide channel 21 is provided with flow guide convex rib, the water guide channel 21 is provided with screw 25, and the water guide channel 21 is fixedly connected with the sealing unit 1 by the screw 25, and the bottom of the water guide channel 21 is fixedly installed with water collecting groove 22, the water collecting groove 22 is provided with drain hole 23, the upper portion of the screw 25 is provided with water retaining edge 24, and the water retaining edge 24 is fixedly connected with the sealing unit 1;There is a gap between the water retaining edge 24 and the water guide channel 21, and the water retaining edge 24 is located below the baffle 11, and the V-shaped cross section of the water guide channel 21 cooperates with the flow guide convex rib, so as to accelerate the rainwater to the water collecting groove 22.

[0024] The top of the sealing unit 1 is provided with a locking assembly 3, the locking assembly 3 comprises an elastic compression block 31 and a positioning column 32 fixedly connected with the sealing unit 1, and an anchor bolt 33 fixedly connected with the prefabricated external hanging sandwich thermal insulation wall 4, the lower end of the anchor bolt 33 is fixedly installed with a first flange 34, the side surface of the elastic compression block 31 adjacent to the first flange 34 is fixedly installed with a second flange 35, the prefabricated external hanging sandwich thermal insulation wall 4 is provided with an auxiliary hole consistent with the positioning column 32, and the positioning column 32 can be inserted with the prefabricated external hanging sandwich thermal insulation wall 4 through the auxiliary hole, the anchor bolt 33 is clamped through the first flange 34 and the second flange 35, the prefabricated external hanging sandwich thermal insulation wall 4 is provided with a cavity for accommodating the elastic compression block 31, and the top surface of the elastic compression block 31 can be in contact with the side wall of the cavity, when the prefabricated external hanging sandwich thermal insulation wall 4 is inserted on the sealing unit 1, the elastic compression block 31 is extruded by the first flange 34 and deformed inward, so that the first flange 34 is placed below the second flange 35, then under the action of the elastic compression block 31 itself elasticity, a continuous pressing force is generated, the second flange 35 is buckled with the first flange 34, and the locking is completed.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A joint waterproof connection structure for vertical assembly of prefabricated externally-hung sandwich thermal insulation walls (4), characterized in that, Include: The outer side of the sealing unit (1) is fixedly provided with a baffle (11), and the baffle (11) and the sealing unit (1) are provided with an elastic sealing strip (12), and the inner side of the sealing unit (1) in contact with the prefabricated external hanging sandwich insulation wall (4) is provided with an expansion adhesive strip (13); The bottom of the sealing unit (1) is provided with a water guide assembly (2), the water guide assembly (2) comprises a water guide channel (21), the water guide channel (21) is provided with a screw (25), and the water guide channel (21) is fixedly connected with the sealing unit (1) through the screw (25), the bottom of the water guide channel (21) is fixedly installed with a water collecting groove (22), the water collecting groove (22) is provided with a drain hole (23), the upper side of the screw (25) is provided with a water baffle (24), and the water baffle (24) is fixedly connected with the sealing unit (1); The top of the sealing unit (1) is provided with a locking assembly (3), the locking assembly (3) comprises an elastic compression block (31) and a positioning column (32) fixedly connected with the sealing unit (1), and an anchor bolt (33) fixedly connected with the prefabricated external hanging sandwich insulation wall (4), the lower end of the anchor bolt (33) is fixedly installed with a first flange (34), and the side surface adjacent to the first flange (34) of the elastic compression block (31) is fixedly installed with a second flange (35).

2. The waterproof joint connection structure according to claim 1, characterized in that, The baffle (11) is designed in L-shaped structure, and the baffle (11) and the sealing unit (1) are located at the joint of the prefabricated external hanging sandwich insulation wall (4).

3. The waterproof joint connection structure according to claim 1, characterized in that, The expansion adhesive strip (13) is internally provided with a honeycomb-shaped through hole filled with water-swelling resin particles.

4. The waterproof joint connection structure according to claim 1, characterized by The cross section of the water guide channel (21) is V-shaped, and the inner wall of the water guide channel (21) is provided with a flow guide rib.

5. The waterproof joint connection structure according to claim 1, wherein There is a gap between the water baffle (24) and the water guide channel (21), and the water baffle (24) is located below the baffle (11).

6. The waterproof joint connection structure according to claim 1, wherein The prefabricated external hanging sandwich insulation wall (4) is provided with an auxiliary hole with the same shape as the positioning column (32), and the positioning column (32) can be inserted into the prefabricated external hanging sandwich insulation wall (4) through the auxiliary hole.

7. The waterproof joint connection structure according to claim 1, wherein The anchor bolt (33) is clamped through the first flange (34) and the second flange (35).

8. The waterproof joint connection structure according to claim 1, wherein The prefabricated external hanging sandwich insulation wall (4) is provided with a cavity for accommodating the elastic compression block (31), and the top surface of the elastic compression block (31) can be in contact with the side wall of the cavity.

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