Waterproof coiled material capable of improving lap joint effect

Abstract

The utility model relates to the technical field of waterproof coiled materials, in particular to a waterproof coiled material capable of improving the lap joint effect, which comprises a coiled material body, a clamping block, a supporting block and a connecting assembly. A first lap joint groove and a second lap joint groove are formed in the two ends of the coiled material body respectively, a clamping groove, an air guide groove and a first air guide opening are formed in the bottom face of the first lap joint groove in the coiled material body, and the clamping groove is communicated with the air guide groove through the first air guide opening; the clamping block is connected with the bottom face of the second lap joint groove. The supporting block is connected with the bottom face of the second lap joint groove, an exhaust groove and a second air guide opening are formed in the supporting block, and the second air guide opening is matched with the first air guide opening; the connecting assembly is arranged on the bottom face of the first lap joint groove, and every two adjacent coiled material bodies are connected through the connecting assembly. According to the utility model, the phenomenon that the clamping blocks and the clamping grooves are not tightly connected due to air resistance can be effectively avoided, so that the phenomenon that the splicing surfaces of the two adjacent coiled material bodies are swelled due to air is avoided, the whole coiled material has good protection performance, and the service life of the coiled material is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to waterproofing membrane technical field especially relates to a waterproofing membrane of improving lap joint effect. BACKGROUND

[0002] Waterproofing membrane is a kind of flexible building material product for building wall, roof, tunnel, highway, landfill and so on, and its main function is to resist external rainwater and groundwater leakage.It is an important material for building engineering waterproofing, and plays a vital role as the first barrier for engineering waterproofing.The waterproofing membrane is connected into a piece by splicing in actual construction.

[0003] The Chinese patent with the authorization announcement number CN214774543U discloses a waterproofing membrane for improving lap joint effect, which comprises a first waterproofing membrane body and a second waterproofing membrane body, a first lap joint groove with an open top structure is formed on one side of the first waterproofing membrane body close to the second waterproofing membrane body, a second lap joint groove with an open bottom structure is formed on one side of the second waterproofing membrane body close to the first waterproofing membrane body, a positioning column is fixedly installed on the inner wall of the bottom of the first lap joint groove, and a positioning groove is formed on the inner wall of the top of the second lap joint groove.The utility model has firm lap joint, good lap joint effect, and improved sound insulation performance, oxidation resistance, tensile strength, wear resistance, corrosion resistance and waterproof performance of the waterproofing membrane.

[0004] However, the device still has some shortcomings: in order to make the splicing part of the membrane smooth, the positioning column and the positioning groove are required to be matched, but the waterproofing membrane lacks a structure for exhausting air during the insertion of the positioning block into the positioning groove, so that the air in the positioning groove is easily compressed, and the positioning block is easily pushed back by the air, which can cause the splicing surface to bulge at the position of the positioning block, and the waterproofing membrane places the waterproof layer on the outermost layer of the wear-resistant layer, so that the waterproof layer lacks protection, and once the waterproof layer is damaged, the waterproof performance of the waterproofing membrane will be greatly reduced. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a waterproofing membrane for improving lap joint effect.

[0006] The technical scheme of the utility model is as follows: a waterproofing membrane for improving lap joint effect, comprising a membrane body, first and second lap joint grooves are arranged at the two ends of the membrane body respectively, a clamping groove, an air guide groove and a first air guide opening are arranged on the bottom surface of the first lap joint groove, and the clamping groove is communicated with the air guide groove through the first air guide opening;

[0007] A clamping block is connected with the bottom surface of the second lap joint groove, and the clamping block is matched with the clamping groove.

[0008] The support block is connected with the bottom surface of the second lap joint groove, the support block is matched with the air guide groove, and the support block is provided with an air exhaust groove and a second air guide opening matched with the first air guide opening;

[0009] The connecting assembly is arranged on the bottom surface of the first lap joint groove, and the two adjacent roll bodies are connected through the connecting assembly.

[0010] Preferably, the number of the clamping grooves is several, the clamping grooves are equidistantly distributed on the bottom surface of the first lap joint groove, and the number of the clamping blocks is multiple, and the clamping blocks are equidistantly distributed on the bottom surface of the second lap joint groove.

[0011] Preferably, the thickness of the clamping block is smaller than the depth of the clamping groove.

[0012] Preferably, the width of the first lap joint groove is the same as the width of the second lap joint groove.

[0013] Preferably, the connecting assembly comprises an adhesive, one side of the adhesive is connected with the roll body, and the side of the adhesive away from the roll body is provided with a protective film.

[0014] Preferably, the roll body comprises a protective layer and a sticking layer, and the sticking layer is connected with the protective layer.

[0015] Preferably, the protective layer comprises a scratch-proof surface layer, a waterproof layer, a heat insulation layer, a reinforcing membrane layer and a thermal insulation layer, the scratch-proof surface layer is the outermost layer, the waterproof layer is connected with the scratch-proof surface layer, the heat insulation layer is connected with the side of the waterproof layer away from the scratch-proof surface layer, the reinforcing membrane layer is connected with the side of the heat insulation layer away from the waterproof layer, the thermal insulation layer is connected with the side of the reinforcing membrane layer away from the heat insulation layer, and the side of the thermal insulation layer away from the reinforcing membrane layer is connected with the sticking layer.

[0016] Preferably, the sticking layer comprises a butyl rubber layer and a tearable film, the butyl rubber layer is connected with the thermal insulation layer, and the tearable film is connected with the side of the butyl rubber layer away from the thermal insulation layer.

[0017] Compared with the prior art, the roll body has the following beneficial technical effects:

[0018] By arranging the first clamping groove, the air guide groove, the first air guide opening, the clamping block and the support block, and arranging the air exhaust groove and the second air guide opening on the support block, the air in the clamping groove can be exhausted in the process that the clamping block perfectly fits into the clamping groove, so that the bulging is effectively avoided, and the surface of the splicing surface of the two adjacent roll bodies is ensured to be smooth and flat; by arranging the scratch-proof surface layer, the scratch-proof surface layer is used to protect the waterproof layer and the heat insulation layer, the waterproof layer is arranged on the inner side of the scratch-proof surface layer, the waterproof layer is effectively prevented from being damaged by external force, so that the waterproof performance of the roll body is ensured, and the heat insulation layer is further arranged in the roll body, so that the butyl rubber layer is effectively prevented from being damaged by high temperature. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1It is a structural schematic view of one embodiment of the utility model;

[0020] Figure 2 It is a connecting structure schematic view of the card block and the support block and the coiled material body;

[0021] Figure 3 It is a connecting effect view of two adjacent coiled material bodies;

[0022] Figure 4 It is a layered structure schematic view of the coiled material body.

[0023] Fig. 1, coiled material body; 1a, scratch-proof surface layer; 1b, waterproof layer; 1c, heat insulation layer; 1d, reinforcing membrane layer; 1e, heat preservation layer; 1f, adhesive layer; 1g, easy-to-tear film; 101, first lap joint groove; 1011, card slot; 1012, air guide groove; 1013, first air guide opening; 102, second lap joint groove; 2, adhesive; 3, card block; 4, support block; 401, air exhaust groove; 402, second air guide opening. DETAILED DESCRIPTION

[0024] Example one

[0025] As Figures 1-3 shown, the utility model provides a waterproof coiled material of promoting lap joint effect, including coiled material body 1, card block 3, support block 4 and connecting assembly, and the both ends of coiled material body 1 are provided with first lap joint groove 101 and second lap joint groove 102 respectively, and the width of first lap joint groove 101 is same with the width of second lap joint groove 102. Card slot 1011, air guide groove 1012 and first air guide opening 1013 are set up on the bottom surface of first lap joint groove 101 on coiled material body 1, and card slot 1011 is communicated with air guide groove 1012 through first air guide opening 1013. The number of card slot 1011 is several, and each card slot 1011 is equidistantly distributed on the bottom surface of first lap joint groove 101. Card block 3 is connected with the bottom surface of second lap joint groove 102, and the number of card block 3 is multiple, and card block 3 is equidistantly distributed on the bottom surface of second lap joint groove 102, and each card block 3 is adapted with corresponding side card slot 1011, and the thickness of card block 3 is less than the depth of card slot 1011. Support block 4 is connected with the bottom surface of second lap joint groove 102, and support block 4 is adapted with air guide groove 1012, and air exhaust groove 401 and second air guide opening 402 are set up on support block 4, and second air guide opening 402 is adapted with first air guide opening 1013. Connecting assembly is set up on the bottom surface of first lap joint groove 101, and two adjacent coiled material bodies 1 are connected through connecting assembly. Connecting assembly includes adhesive 2, and adhesive 2 is butyl rubber, and one side of butyl rubber is connected with coiled material body 1, and the other side of butyl rubber is connected with protective film.

[0026] In the embodiment, when the two adjacent roll material bodies 1 are overlapped, the side of the second overlapping groove 102 of the second roll material body 1 is attached to the end surface of the first roll material body 1, then the second roll material body 1 is attached to the wall surface, then the protective film on the butyl rubber surface of the first roll material body 1 is torn off, then the clamping block 3 and the supporting block 4 on the second roll material body 1 are respectively aligned with the clamping groove 1011 and the air guide groove 1012 on the first roll material body 1, and the connecting surface of the second roll material body 1 is flattened in the direction from the second roll material body 1 to the first roll material body 1, in the process that the clamping block 3 is gradually inserted into the clamping groove 1011, the air in the clamping groove 1011 enters the exhaust groove 401 through the first air guide port 1013 and the second air guide port 402 and is exhausted, which effectively avoids the air in the clamping groove 1011 from hindering the clamping of the clamping block 3, so that the clamping block 3 is more closely attached to the clamping groove 1011, and the overlapping edges of the two adjacent roll material bodies 1 are more closely attached.

[0027] Embodiment two

[0028] The waterproof roll material for improving the overlapping effect provided by the utility model, compared with embodiment one, the bottom surface of the first overlapping groove 101 is flat, the bottom surface of the second overlapping groove 102 is not provided with the supporting block 4, the end of the clamping block 3 away from the bottom surface of the second overlapping groove 102 is provided with a smooth chamfer, and the U-shaped groove is arranged on the clamping block 3 in the direction perpendicular to the bottom surface of the second overlapping groove 102.

[0029] In the embodiment, the smooth chamfer on the clamping block 3 is beneficial to clamping the clamping block 3 into the clamping groove 1011, and in the process of clamping the clamping block 3, the air in the clamping groove 1011 is exhausted along the U-shaped groove, so that the insertion of the clamping block 3 is not affected by air resistance, and the roll material body 1 of the structure is simpler to process and form compared with the roll material body 1 in embodiment one.

[0030] Embodiment three

[0031] As Figure 4The utility model discloses a waterproof roll material of promoting lap joint effect, compared with embodiment one and embodiment two, this embodiment discloses a specific layer structure of roll material body 1, and roll material body 1 includes protective layer and pasting layer 1f, and pasting layer 1f is connected with the protective layer. The protective layer includes scratchproof surface layer 1a, waterproof layer 1b, heat insulation layer 1c, reinforcing membrane layer 1d and thermal insulation layer 1e, and scratchproof surface layer 1a is the outermost layer, waterproof layer 1b is connected with scratchproof surface layer 1a, heat insulation layer 1c is connected with the side of waterproof layer 1b away from scratchproof surface layer 1a, reinforcing membrane layer 1d is connected with the side of heat insulation layer 1c away from waterproof layer 1b, thermal insulation layer 1e is connected with the side of reinforcing membrane layer 1d away from heat insulation layer 1c, and the side of thermal insulation layer 1e away from reinforcing membrane layer 1d is connected with pasting layer 1f. Pasting layer 1f includes butyl rubber layer and easy tear film 1g, butyl rubber layer is connected with thermal insulation layer 1e, and easy tear film 1g is connected with the side of butyl rubber layer away from thermal insulation layer 1e, wherein heat insulation layer 1c is coated with a layer of flame retardant on the side close to waterproof layer 1b.

[0032] In the embodiment, scratchproof surface layer 1a is placed in the outermost layer, effectively preventing the surface layer of roll material body from being scratched, and waterproof layer 1b cooperates with scratchproof surface layer 1a to achieve good waterproof performance, heat insulation layer 1c improves the heat insulation performance of the waterproof roll material, reinforcing membrane layer 1d effectively improves the tensile properties and overall strength of the roll material, thermal insulation layer 1e can prevent rapid heat exchange between indoor temperature and external environment on one hand, and effectively prevent butyl rubber layer from reducing adhesion due to high temperature or low temperature on the other hand.

[0033] The utility model discloses an embodiment of the implementation of the utility model has been described in detail in the foregoing, but the utility model is not limited to this, in the knowledge range of the person skilled in the art who belongs to the technical field, still can make various changes on the prerequisite of not departing from the utility model's purpose.

Claims

1. A waterproofing membrane with improved lap performance, characterized in that, The utility model relates to a roll material body (1), first lap joint groove (101) and second lap joint groove (102) are provided with respectively both ends of roll material body (1), and the bottom surface of first lap joint groove (101) is provided with clamping groove (1011), air guide groove (1012) and first air guide (1013), and clamping groove (1011) is communicated with air guide groove (1012) through first air guide (1013); Clamping block (3) is connected with the bottom surface of second lap joint groove (102), and clamping block (3) is matched with clamping groove (1011); Supporting block (4) is connected with the bottom surface of second lap joint groove (102), and supporting block (4) is matched with air guide groove (1012), and air exhaust groove (401) and second air guide (402) are provided on supporting block (4), and second air guide (402) is matched with first air guide (1013); And connecting assembly is provided on the bottom surface of first lap joint groove (101), and adjacent two roll material bodies (1) are connected through connecting assembly. The number of clamping grooves (1011) is several, and each clamping groove (1011) is equidistantly distributed on the bottom surface of first lap joint groove (101), and the number of clamping blocks (3) is multiple, and the clamping blocks (3) are equidistantly distributed on the bottom surface of second lap joint groove (102).

2. The waterproofing membrane of claim 1, wherein, The thickness of clamping block (3) is less than the depth of clamping groove (1011).

3. The waterproofing membrane of claim 1, wherein, The width of first lap joint groove (101) is the same as the width of second lap joint groove (102).

4. The waterproofing membrane of claim 1, wherein, The connecting assembly comprises an adhesive (2), one side of the adhesive (2) is connected with the roll material body (1), and the other side of the adhesive (2) away from the roll material body (1) is provided with a protective film.

5. The waterproofing membrane of claim 1, wherein, The roll material body (1) comprises a protective layer and a sticking layer (1f), and the sticking layer (1f) is connected with the protective layer.

6. The waterproofing membrane of claim 1, wherein, The protective layer comprises a scratch-proof surface layer (1a), a waterproof layer (1b), a heat insulation layer (1c), a reinforcing membrane layer (1d) and a thermal insulation layer (1e), the scratch-proof surface layer (1a) is the outermost layer, the waterproof layer (1b) is connected with the scratch-proof surface layer (1a), the heat insulation layer (1c) is connected with the waterproof layer (1b) away from the scratch-proof surface layer (1a), the reinforcing membrane layer (1d) is connected with the heat insulation layer (1c) away from the waterproof layer (1b), the thermal insulation layer (1e) is connected with the reinforcing membrane layer (1d) away from the heat insulation layer (1c), and the thermal insulation layer (1e) away from the reinforcing membrane layer (1d) is connected with the sticking layer (1f).

7. The waterproofing membrane of claim 6, wherein the reinforcing scrim is a polyester scrim. The sticking layer (1f) comprises a butyl rubber layer and a tearable film (1g), the butyl rubber layer is connected with the thermal insulation layer (1e), and the tearable film (1g) is connected with the butyl rubber layer away from the thermal insulation layer (1e).

8. The waterproofing membrane of claim 7, wherein the reinforcing scrim is a polyester scrim. ​

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