Hard foam polyurethane heat preservation waterproof layer structure

Abstract

The utility model discloses a rigid foam polyurethane heat preservation waterproof layer structure which comprises a wall body and further comprises a heat preservation layer made of rigid foam polyurethane, the heat preservation layer is fixed on the wall body in a bonding mode through a bonding mortar layer, a waterproof coating is sprayed on the outer wall of the heat preservation layer, the heat preservation layer is formed by sequentially splicing a plurality of heat preservation plates, and the waterproof coating is coated on the outer wall of the heat preservation layer. A fixing rod is inserted into the heat preservation layer, a plurality of anchor rods are arranged on the fixing rod in a threaded mode, the anchor rods are fixedly connected with anchor fixing pieces fixedly embedded in a wall body, and the fixing rod is connected with a limiting ring in a threaded mode. On the basis that the insulation board is bonded through the bonding mortar layer, the multiple fixing rods are inserted into the insulation board, then the anchor rods are connected to the fixing rods in a threaded mode, the anchor rods and the anchor fixing pieces fixed to the wall in an embedded mode are welded and fixed, and therefore the insulation board is fixed to the wall again through the fixing rods and the anchor rods. And secondary fixation is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation layers, in particular to a rigid foam polyurethane thermal insulation and waterproof layer structure. Background Art

[0002] Most polyurethane rigid foams are closed-cell structures, with excellent properties such as good insulation, light weight, high specific strength, and convenient construction. They also have the characteristics of sound insulation, shockproof, electrical insulation, heat resistance, cold resistance, and solvent resistance. They are widely used in refrigerator and freezer insulation layers, cold storage, refrigerated trucks, and other insulation materials, as well as buildings, storage tanks, and pipeline insulation materials. A small amount is used in non-insulating occasions, such as imitation wood, packaging materials, etc. Generally speaking, lower-density polyurethane rigid foams are mainly used as insulation (heat preservation) materials, while higher-density polyurethane rigid foams can be used as structural materials.

[0003] Publication (Announcement) No.: CN2765966Y discloses a rigid foam polyurethane waterproof and heat-insulating roof, the structural feature of which is that a polymer mortar layer is provided under the heat-insulating layer, a layer of adhesive is coated on the heat-insulating layer, and a layer of waterproof coiled material is laid on the adhesive. First, the base surface is cleaned and leveled, and a layer of polymer mortar is first applied, and then the heat-insulating prefabricated board is pasted on the roof as the heat-insulating layer, and then a layer of adhesive is applied, and finally a layer of waterproof coiled material is laid, and the roof waterproof and heat-insulating integrated component is completed at the construction site. Since a layer of adhesive and waterproof coiled material are provided on the heat-insulating layer, the protective layer roof has both heat-insulating performance and waterproof performance. A layer of adhesive is coated between the heat-insulating layer and the waterproof coiled material, which can play a bonding role and further enhance the waterproof performance. The utility model has good waterproof and heat-insulating effects and achieves waterproof and heat-insulating integration. The utility model adopts heat-insulating prefabricated boards, which can not only improve construction efficiency, but also construction is not affected by weather changes.

[0004] As in the above application, when the existing rigid foam polyurethane material is used as the insulation layer and fixed on the wall, it is generally bonded to the wall with mortar or adhesive, and its bonding stability is poor. Secondly, the existing technology also uses anchor rods to fix the insulation layer, but when fixing, the anchor rods penetrate the entire insulation layer, which affects the waterproof and thermal insulation effect of the insulation layer. Utility Model Content

[0005] The utility model aims to overcome the problem that in the prior art, the insulation board is bonded to the wall by mortar or adhesive, and the bonding stability is poor. Secondly, the prior art also uses anchor rods to fix the insulation layer, but when fixing, the anchor rods penetrate the entire insulation layer, which affects the waterproof and thermal insulation effect of the insulation layer. A rigid foam polyurethane insulation and waterproof layer structure is provided. On the basis of the wall on which the insulation board is bonded by the bonding mortar layer, a plurality of fixing rods are inserted in the insulation board, and then the anchor rods are threadedly connected to the fixing rods, and then the anchor rods are fixed to the wall. It is welded and fixed to the anchor fixing parts embedded and fixed on the wall, so that the insulation board can be fixed to the wall again through the fixing rod and the anchor rod to achieve secondary fixation, overcoming the problem of poor firmness of the prior art of single bonding and fixing by bonding mortar layer or glue layer. Secondly, the setting of the fixing rod can limit and fix several spliced ​​insulation boards to form an integrated structure, further improving the stability of its fixation. The anchor rod is connected to the fixing rod and does not completely penetrate the insulation board, thereby ensuring the insulation effect of the insulation board.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] The utility model discloses a rigid foam polyurethane thermal insulation and waterproof layer structure, comprising a wall body and a thermal insulation layer made of rigid foam polyurethane, wherein the thermal insulation layer is bonded and fixed to the wall body by a bonding mortar layer, a waterproof coating is sprayed on the outer wall of the thermal insulation layer, the thermal insulation layer is formed by a plurality of thermal insulation boards being spliced ​​in sequence, a fixing rod is inserted in the thermal insulation layer, a plurality of anchor rods are threaded on the fixing rod, and the anchor rods and the fixing rods are arranged perpendicular to each other, the anchor rods are connected and fixed to anchor fixing parts embedded and fixed on the wall body, a limiting ring is threaded on the fixing rod, the limiting ring is used for limiting and fixing the thermal insulation board sleeved on the fixing rod, a circular groove used for matching with the limiting ring is opened on the thermal insulation board, so that the limiting ring can be embedded in the circular groove without affecting the splicing between two adjacent thermal insulation boards.

[0008] Preferably, a slot is provided on one side wall of the insulation board along the length direction, and a card block for cooperating with the slot is integrally formed on the other side wall of the insulation board along the length direction, and the two adjacent insulation boards can be spliced ​​together by engaging the card block with the slot.

[0009] Preferably, a first circular hole for cooperating with a fixing rod is opened on one side wall along the length direction of the insulation board, and a second circular hole for cooperating with an anchor rod is opened on one side wall of the insulation board close to the wall. The second circular hole and the first circular hole are arranged perpendicular to each other, and the second circular hole and the first circular hole are connected to each other.

[0010] Preferably, the cross-section of the card slot is an isosceles trapezoidal structure, and the coating of the waterproof coating is one or more of acrylic coating, polyurethane coating or chloroprene rubber waterproof coating.

[0011] Preferably, a first glue injection groove is provided on the upper surface of the card block along the width direction of the insulation board, and a second glue injection groove is provided on the upper surface of the card block along the length direction of the insulation board, and the second glue injection groove is connected to the first glue injection groove. By injecting adhesive through the first glue injection groove and the second glue injection groove, the connection between the card block and the card slot can be tightly bonded to improve the insulation effect. The opening of the first glue injection groove and the second glue injection groove improves the fluidity of the glue and improves the bonding effect of the connection between the card block and the card slot.

[0012] Preferably, a plurality of the second glue injection grooves are provided, and the plurality of second glue injection grooves are arranged parallel to each other, and the intervals between two adjacent second glue injection grooves are equal.

[0013] Preferably, the insulation board is composed of three layers of rigid foam polyurethane layers and two layers of glass fiber layers, and the two layers of glass fiber layers are bonded between two adjacent layers of rigid foam polyurethane layers. The provision of the glass fiber layers can significantly improve the tensile strength of the insulation board and increase its service life.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The rigid foam polyurethane thermal insulation and waterproof layer structure is based on the wall to which the thermal insulation board is bonded by the bonding mortar layer, and a plurality of fixing rods are inserted in the thermal insulation board, and then the anchor rods are threadedly connected to the fixing rods, and then the anchor rods are welded and fixed to the anchor fixing parts embedded and fixed on the wall, so that the thermal insulation board is fixed to the wall again through the fixing rods and the anchor rods, and the secondary fixation is achieved, which overcomes the problem of poor firmness of the prior art of bonding and fixing by only bonding mortar layers or adhesive layers. Secondly, the setting of the fixing rods can limit and fix a plurality of spliced ​​thermal insulation boards to form an integrated structure, and further improve the stability of the fixation thereof. In addition, the anchor rods are connected to the fixing rods and do not completely penetrate the thermal insulation board, thereby ensuring the thermal insulation effect of the thermal insulation board.

[0016] Furthermore, by setting the first glue injection groove and the second glue injection groove, after the two adjacent insulation boards are spliced ​​by the mutual engagement of the clamping block and the clamping groove, the adhesive is injected through the first glue injection groove and the second glue injection groove, so that the connection between the clamping block and the clamping groove can be tightly bonded to improve the insulation effect. The opening of the first glue injection groove and the second glue injection groove improves the fluidity of the glue and improves the bonding effect of the connection between the clamping block and the clamping groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the connection structure between the insulation board and the fixing rod of the utility model;

[0019] Figure 3 For the utility model Figure 2 A magnified view of area B in FIG.

[0020] Figure 4 This is a schematic diagram of the structure of the insulation board in the utility model;

[0021] Figure 5 It is a side view of the insulation board of the utility model;

[0022] Figure 6 For the utility model Figure 5 AA section view.

[0023] Figure numerals: 1. Insulation board; 11. Insulation layer; 12. Waterproof coating; 101. Card slot; 102. Card block; 103. First glue injection slot; 104. Second glue injection slot; 105. First circular hole; 106. Second circular hole; 107. Rigid foam polyurethane layer; 108. Glass fiber layer; 2. Wall; 3. Adhesive mortar layer; 4. Fixing rod; 401. Anchor rod; 402. Anchor fixing piece; 403. Limiting ring. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1 -Attached Figure 6 , further illustrating a specific implementation of a rigid foam polyurethane thermal insulation and waterproof layer structure of the utility model, overcoming the problem in the prior art that the thermal insulation board is bonded to the wall with mortar or adhesive, and the bonding stability is poor. Secondly, the prior art also uses anchor rods to fix the thermal insulation layer, but when fixing, the anchor rods penetrate the entire thermal insulation layer, which affects the waterproof and thermal insulation effect of the thermal insulation layer. A rigid foam polyurethane thermal insulation and waterproof layer structure is provided. On the basis of bonding the thermal insulation board to the wall through the bonding mortar layer, a plurality of fixing rods are inserted in the thermal insulation board, and then on the fixing rods The anchor rod is connected by thread, and then the anchor rod is welded and fixed to the anchor fixing part embedded and fixed on the wall, so that the insulation board is fixed to the wall again through the fixing rod and the anchor rod, and the secondary fixation is achieved, which overcomes the problem of poor firmness of the prior art of single bonding and fixing by bonding mortar layer or glue layer. Secondly, the setting of the fixing rod can limit and fix several spliced ​​insulation boards to form an integrated structure, further improving the stability of its fixation. The anchor rod is connected to the fixing rod and does not completely penetrate the insulation board, thereby ensuring the insulation effect of the insulation board. The utility model is a rigid foam polyurethane insulation and waterproof layer structure, which is not limited to the description of the following embodiments.

[0025] Embodiment 1:

[0026] A rigid foam polyurethane thermal insulation and waterproof layer structure comprises a wall 2 and a thermal insulation layer 11 made of rigid foam polyurethane. The thermal insulation layer 11 is bonded and fixed to the wall 2 through a bonding mortar layer 3. A waterproof coating 12 is sprayed on the outer wall of the thermal insulation layer 11. The coating of the waterproof coating 12 is one or more of acrylic coating, polyurethane coating or chloroprene rubber waterproof coating. The thermal insulation layer 11 is formed by sequentially splicing a plurality of thermal insulation boards 1. A fixing rod 4 is inserted into the thermal insulation layer 11. A plurality of anchor rods 401 are threaded on the fixing rod 4. The anchor rods 401 and the fixing rods 4 are arranged perpendicular to each other. The anchor rods 401 and the anchor fixing parts 402 embedded and fixed on the wall 2 are connected and fixed to each other. A card slot 101 is opened on one side wall of the thermal insulation board 1 along the length direction. A clamping block 102 for cooperating with the clamping slot 101 is integrally formed on the other side wall of the board 1 along the length direction. The two adjacent insulation boards 1 can be spliced ​​together by the mutual engagement of the clamping block 102 and the clamping slot 101. A first circular hole 105 for cooperating with the fixing rod 4 is provided on one side wall of the insulation board 1 along the length direction. A second circular hole 106 for cooperating with the anchor rod 401 is provided on the side wall of the insulation board 1 close to the wall 2. The second circular hole 106 and the first circular hole 105 are arranged perpendicular to each other, and the second circular hole 106 and the first circular hole 105 are connected to each other. A limiting ring 403 is threadedly connected to the fixing rod 4. The setting of the limiting ring 403 can limit and fix the insulation board 1 mounted on the fixing rod 4.

[0027] Specifically, in this rigid foam polyurethane thermal insulation and waterproof layer structure, when fixing the insulation layer 11 on the wall 2, on the basis of the wall 2 to which the insulation board 1 is bonded by the bonding mortar layer 3, a plurality of fixing rods 4 are inserted in the insulation board 1, and then the anchor rods 401 are threadedly connected to the fixing rods 4, and then the anchor rods 401 are welded and fixed to the anchor fixing parts 402 embedded and fixed on the wall 2, so that the insulation board 1 is fixed to the wall 2 again through the fixing rods 4 and the anchor rods 401 for connection and fixation, thereby achieving secondary fixation, overcoming the problem of poor firmness of the prior art of single bonding and fixing by bonding mortar layer 3 or glue layer, and secondly, the setting of the fixing rods 4 can limit and fix a plurality of spliced ​​insulation boards 1 to form an integrated structure, further improving the stability of its fixation, and the anchor rods 401 are connected to the fixing rods 4, but do not completely penetrate the insulation board 1, thereby ensuring the insulation effect of the insulation board 1.

[0028] Example 2

[0029] The cross-section of the card slot 101 is an isosceles trapezoidal structure. A first glue injection groove 103 is provided on the upper surface of the card block 102 along the width direction of the insulation board 1. A second glue injection groove 104 is provided on the upper surface of the card block 102 along the length direction of the insulation board 1. The second glue injection groove 104 is connected to the first glue injection groove 103, and a plurality of second glue injection grooves 104 are provided. The plurality of second glue injection grooves 104 are arranged parallel to each other, and the spacing between two adjacent second glue injection grooves 104 is equal.

[0030] Specifically, by setting the first glue injection groove 103 and the second glue injection groove 104, after the two adjacent insulation boards 1 are spliced ​​by the mutual engagement of the clamping block 102 and the clamping groove 101, the adhesive is injected through the first glue injection groove 103 and the second glue injection groove 104, so that the connection between the clamping block 102 and the clamping groove 101 can be tightly bonded to improve the insulation effect. The opening of the first glue injection groove 103 and the second glue injection groove 104 improves the fluidity of the glue and improves the bonding effect of the connection between the clamping block 102 and the clamping groove 101.

[0031] Example 3

[0032] The heat-insulating board 1 is composed of three layers of rigid foam polyurethane layers 107 and two layers of glass fiber layers 108 . The two layers of glass fiber layers 108 are bonded between two adjacent layers of rigid foam polyurethane layers 107 .

[0033] Specifically, by forming the insulation board 1 with three layers of rigid foam polyurethane layers 107 and two layers of glass fiber layers 108, compared with the traditional method of directly using the rigid foam polyurethane layer 107 as the insulation board 1, the provision of the glass fiber layer 108 can significantly improve the tensile strength of the insulation board 1 and increase its service life.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A rigid foam polyurethane thermal insulation and waterproof layer structure, comprising a wall (2), characterized in that: The invention also comprises an insulation layer (11) made of rigid foam polyurethane, the insulation layer (11) being bonded and fixed to the wall (2) by means of an adhesive mortar layer (3), a waterproof coating (12) being sprayed on the outer wall of the insulation layer (11), the insulation layer (11) being formed by sequentially splicing a plurality of insulation boards (1), a fixing rod (4) being inserted into the insulation layer (11), a plurality of anchor rods (401) being threaded on the fixing rod (4), and the anchor rods (401) and the fixing rods (4) being arranged perpendicular to each other, the anchor rods (401) being connected and fixed to an anchor fixing member (402) embedded and fixed on the wall (2), and a limit ring (403) being threadedly connected to the fixing rod (4).

2. A rigid foam polyurethane thermal insulation and waterproof layer structure according to claim 1, characterized in that: A slot (101) is provided on one side wall of the insulation board (1) along the length direction, and a clamping block (102) used in conjunction with the slot (101) is integrally formed on the other side wall of the insulation board (1) along the length direction; two adjacent insulation boards (1) can be spliced ​​together by the clamping block (102) and the slot (101) being engaged with each other.

3. A rigid foam polyurethane thermal insulation and waterproof layer structure according to claim 2, characterized in that: A first circular hole (105) for use with a fixing rod (4) is provided on one side wall of the insulation board (1) along the length direction, and a second circular hole (106) for use with an anchor rod (401) is provided on one side wall of the insulation board (1) close to the wall (2). The second circular hole (106) and the first circular hole (105) are arranged perpendicular to each other, and the second circular hole (106) and the first circular hole (105) are connected to each other.

4. A rigid foam polyurethane thermal insulation and waterproof layer structure according to claim 3, characterized in that The cross section of the card slot (101) is an isosceles trapezoidal structure, and the coating of the waterproof coating (12) is one or more of acrylic coating, polyurethane coating or chloroprene rubber waterproof coating.

5. The rigid foam polyurethane thermal insulation and waterproof layer structure according to claim 4, characterized in that: A first glue injection groove (103) is provided on the upper surface of the clamping block (102) along the width direction of the insulation board (1), and a second glue injection groove (104) is provided on the upper surface of the clamping block (102) along the length direction of the insulation board (1), and the second glue injection groove (104) is connected to the first glue injection groove (103).

6. The rigid foam polyurethane thermal insulation and waterproof layer structure according to claim 5, characterized in that: A plurality of the second glue injection grooves (104) are provided, and the plurality of second glue injection grooves (104) are arranged parallel to each other, and the spacing between two adjacent second glue injection grooves (104) is equal.

7. The rigid foam polyurethane thermal insulation and waterproof layer structure according to claim 5, characterized in that: The thermal insulation board (1) is composed of three layers of rigid foam polyurethane layers (107) and two layers of glass fiber layers (108), and the two layers of glass fiber layers (108) are bonded between two adjacent layers of rigid foam polyurethane layers (107).

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