Assembling and connecting structure of prefabricated outer wall heat preservation layer

Abstract

The utility model discloses an assembling connection structure of a prefabricated external wall heat insulation layer, which relates to the technical field of prefabricated buildings, and comprises a wallboard body and a heat insulation board, one side of the wallboard body is provided with four circular notches, the four circular notches are internally and fixedly provided with embedded parts, and the embedded parts are fixedly connected with the wallboard body. Four reinforcing bolts are arranged between the wallboard body and the heat preservation plate, penetrate through the heat preservation plate and are in threaded connection with the heat preservation plate, and according to the splicing connection structure of the prefabricated outer wall heat preservation layer, through the elastic effect of reset springs, movable racks can be driven to move in a return mode, so that two first gears are driven to rotate in a meshed mode, and the heat preservation plate is fixed; and two second gears rotate along with the connecting frame, two limiting racks are driven to move towards the upper side and the lower side of the connecting frame into limiting grooves in the upper side and the lower side of a second clamping groove correspondingly, so that the wallboard body and the heat preservation board are limited and fixed, operation is easy and convenient, on one hand, the fixing effect is good, on the other hand, disassembly and assembly are convenient, and the practicability of the structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to prefabricated building technical field, concretely is a kind of prefabricated outer wall thermal insulation layer's assembling connection structure. BACKGROUND

[0002] Prefabricated building is a kind of construction method, mainly the main component (such as wall, floor, roof, etc.) of building is prefabricated in factory, then is transported to construction site and is assembled, and prefabricated building has been widely used in commercial, residential and infrastructure projects. With the development of technology, the design and production process of prefabricated building are also constantly progressing, and new materials are introduced to improve its performance and application range.

[0003] The connecting mode of the existing prefabricated outer wall insulation board is mainly adhesion or simple insertion, and the connecting strength of the insulation board is insufficient in actual use process, and the adhesion of the insulation board is easily affected by material aging and temperature deformation, so that the risk of insulation board falling off occurs, and the normal use of prefabricated outer wall is affected. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of prefabricated outer wall thermal insulation layer's assembling connection structure to solve the problem that the connecting strength of the insulation board is insufficient in actual use process in prior art, and the adhesion of the insulation board is easily affected by material aging and temperature deformation, so that the risk of insulation board falling off occurs, and the normal use of prefabricated outer wall is affected.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of prefabricated outer wall thermal insulation layer's assembling connection structure, including wallboard body and insulation board, four circular slots are set in the side of wallboard body, four the inside of circular slot is fixedly installed with embedded part, four reinforcing bolts are provided between wallboard body and insulation board, four the reinforcing bolt passes through insulation board and is connected with insulation board by screw thread, four the reinforcing bolt is respectively matched with four embedded parts by screw thread, limit structure is provided between wallboard body and insulation board, the limit structure includes two connecting frames, two the connecting frame is fixedly installed in the side of insulation board.

[0006] Preferably, the inner side of the connecting frame is fixedly installed with two return springs, one end of two the return spring is fixedly installed with moving rack, two one-way gears are rotatably installed on the inside of the connecting frame, the moving rack is arranged between two one-way gears and is connected with two one-way gears by meshing.

[0007] Preferably, the side of the moving rack penetrates insulation board and is in sliding contact with insulation board, and a pull handle is fixedly installed on the side of the moving rack.

[0008] Preferably, the other side of the interior of the connecting frame is fixedly provided with a limiting block, the movable rack is arranged between the limiting block and the connecting frame and is in sliding contact with the connecting frame and the limiting block, and the limiting block can limit the lateral position of the movable rack and prevent the movable rack from sliding out of the two first gears.

[0009] Preferably, the other side of the interior of the connecting frame is rotatably provided with two second gears, the two first gears are fixedly connected with the two second gears respectively, the outer sides of the two second gears are in meshing connection with two limiting racks, the two limiting racks penetrate through the upper and lower sides of the connecting frame and are in sliding contact with the connecting frame respectively, and the two limiting racks penetrating through the upper and lower sides of the connecting frame can limit the limiting racks, so that the disengagement between the limiting racks and the second gears is avoided.

[0010] Preferably, the wall plate body is provided with two second clamping grooves on one side, the two connecting frames are matched with the two second clamping grooves in size, and the upper and lower sides of the two second clamping grooves are formed with limiting grooves, and the limiting rack is matched with the limiting groove in size.

[0011] Preferably, the thermal insulation plate is fixedly provided with a rubber strip on one side, the wall plate body is provided with a filling groove on one side, the rubber strip and the filling groove are adaptively matched, the thermal insulation plate is fixedly provided with two clamping blocks on one side, the wall plate body is provided with two first clamping grooves on one side, the two clamping blocks are matched with the two first clamping grooves in size respectively, and the filling groove and the rubber strip are matched to enable the rubber strip to be pressed into the filling groove when the wall plate body and the thermal insulation plate are connected together, so that the wall plate body and the thermal insulation plate are sealed, and the gap is reduced.

[0012] Compared with the prior art, the wall plate body and the thermal insulation plate are limited and fixed by the elastic action of the reset spring, the movable rack is moved back, the two first gears are meshed and rotated, the two second gears are rotated, and the two limiting racks are moved to the limiting grooves in the upper and lower sides of the second clamping grooves, so that the wall plate body and the thermal insulation plate are limited and fixed.

[0013] 1、The elastic action of the reset spring drives the movable rack to move back, thereby driving the two first gears to mesh and rotate, driving the two second gears to rotate, and driving the two limiting racks to move to the limiting grooves in the upper and lower sides of the second clamping grooves, thereby limiting and fixing the wall plate body and the thermal insulation plate.

[0014] 2、The four reinforcing bolts are screwed into the four embedded parts on one side of the wall plate body through the thermal insulation plate, thereby pressing the positions of the four corners of the wall plate body and the thermal insulation plate, and in the process of pressing the wall plate body and the thermal insulation plate, the rubber strip is pressed into the filling groove, thereby filling the filling groove and sealing the wall plate body and the thermal insulation plate, improving the sealing effect between the wall plate body and the thermal insulation plate and effectively ensuring the heat preservation capacity of the structure. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the assembly and connection structure of a prefabricated external wall insulation layer according to this utility model;

[0016] Figure 2 This is a partial structural diagram of the wall panel body of the prefabricated exterior wall insulation layer assembly and connection structure according to this utility model;

[0017] Figure 3 This is a schematic diagram of the insulation board portion of the assembly and connection structure of a prefabricated exterior wall insulation layer according to this utility model;

[0018] Figure 4 This is a cross-sectional view of the connection frame of the assembly and connection structure of a prefabricated external wall insulation layer according to this utility model.

[0019] The following are the labels in the diagram: 1. Wall panel body; 2. Insulation board; 3. Embedded part; 4. Reinforcing bolt; 5. Rubber strip; 6. Filling groove; 7. Locking block; 8. No. 1 locking slot; 9. Connecting frame; 10. Return spring; 11. Moving rack; 12. No. 1 gear; 13. Pull handle; 14. Limiting block; 15. No. 2 gear; 16. Limiting rack; 17. No. 2 locking slot. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: Figure 1 - Figure 4 As shown, this utility model provides a technical solution for the assembly and connection structure of a prefabricated exterior wall insulation layer, including a wall panel body 1 and an insulation board 2. Four circular slots are provided on one side of the wall panel body 1, and embedded parts 3 are fixedly installed inside each of the four circular slots. Four reinforcing bolts 4 are provided between the wall panel body 1 and the insulation board 2. The four reinforcing bolts 4 penetrate the insulation board 2 and are threadedly connected to the insulation board 2. The four reinforcing bolts 4 are respectively threadedly matched with the four embedded parts 3. A limiting structure is provided between the wall panel body 1 and the insulation board 2. The limiting structure includes two connecting frames 9, both of which are fixedly installed on one side of the insulation board 2.

[0022] The inner side of the connecting frame 9 is fixedly provided with two reset springs 10, one end of the two reset springs 10 is fixedly provided with a moving rack 11, the inner side of the connecting frame 9 is rotatably provided with two first gears 12, the moving rack 11 is arranged between the two first gears 12 and is in meshing connection with the two first gears 12.

[0023] One side of the moving rack 11 penetrates the heat preservation plate 2 and is in sliding contact with the heat preservation plate 2, one side of the moving rack 11 is fixedly provided with a pull handle 13.

[0024] The other side of the connecting frame 9 is fixedly provided with a limiting block 14, the moving rack 11 is arranged between the limiting block 14 and the connecting frame 9 and is in sliding contact with the connecting frame 9 and the limiting block 14.

[0025] The other side of the connecting frame 9 is rotatably provided with two second gears 15, the two first gears 12 are fixedly connected with the two second gears 15, the outer side of the two second gears 15 is in meshing connection with a limiting rack 16, the two limiting racks 16 penetrate the upper and lower sides of the connecting frame 9 and are in sliding contact with the connecting frame 9.

[0026] One side of the wallboard body 1 is provided with two second clamping grooves 17, the two connecting frames 9 are matched with the two second clamping grooves 17 in size, the upper and lower sides of the two second clamping grooves 17 are formed with limiting grooves, and the limiting rack 16 is matched with the limiting grooves in size.

[0027] One side of the heat preservation plate 2 is fixedly provided with a rubber strip 5, one side of the wallboard body 1 is provided with a filling groove 6, the rubber strip 5 and the filling groove 6 are adaptively matched, one side of the heat preservation plate 2 is fixedly provided with two clamping blocks 7, one side of the wallboard body 1 is provided with two first clamping grooves 8, and the two clamping blocks 7 are matched with the two first clamping grooves 8 in size.

[0028] It needs to be explained that the utility model discloses a prefabricated outer wall heat preservation layer's assembling connection structure, when splicing, two clamping blocks 7 of wallboard body 1 one side are aligned with the position of two No. 1 clamping slots 8, then two pull handles 13 are pulled respectively, and the pull handle 13 will drive the movement rack 11 to move, thereby drive two No. 1 gear wheels 12 on the upper and lower sides of the movement rack 11 to mesh and rotate, thereby drive two No. 2 gear wheels 15 to rotate, drive two limiting racks 16 to mesh and move, make two limiting racks 16 slide into the inside of connecting frame 9 from the upper and lower sides of connecting frame 9, then wallboard body 1 and heat preservation plate 2 are spliced, two clamping blocks 7 are inserted into two No. 1 clamping slots 8, and two connecting frames 9 are inserted into two No. 2 clamping slots 17, then two pull handles 13 are loosened, and through the elastic action of reset spring 10, the movement rack 11 is driven to reset and move, thereby drive two No. 1 gear wheels 12 to mesh and rotate, make two No. 2 gear wheels 15 rotate, drive two limiting racks 16 to move to the limiting slots on the upper and lower sides of No. 2 clamping slot 17 respectively, thereby limit and fix wallboard body 1 and heat preservation plate 2, and the operation is simple and convenient, on the one hand, the fixing effect is good, on the other hand, it is convenient to disassemble and assemble, and the practicability of the structure is improved.

[0029] When further reinforcing wallboard body 1 and heat preservation plate 2 is needed, four reinforcing bolts 4 can be respectively inserted into four embedded parts 3 on the side of wallboard body 1, thereby compressing the positions of four corners of wallboard body 1 and heat preservation plate 2, in the process of compressing wallboard body 1 and heat preservation plate 2, rubber strip 5 is compressed into filling groove 6, thereby filling filling groove 6, sealing wallboard body 1 and heat preservation plate 2, improving the sealing effect between wallboard body 1 and heat preservation plate 2, effectively guaranteeing the heat preservation capacity of the structure.

[0030] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

Claims

1. An assembly and connection structure for a prefabricated external wall insulation layer, characterized in that: The wall panel includes a wall panel body (1) and an insulation board (2). The wall panel body (1) has four circular slots on one side. Embedded parts (3) are fixedly installed inside the four circular slots. Four reinforcing bolts (4) are provided between the wall panel body (1) and the insulation board (2). The four reinforcing bolts (4) penetrate the insulation board (2) and are threadedly connected to the insulation board (2). The four reinforcing bolts (4) are threadedly matched with the four embedded parts (3). A limiting structure is provided between the wall panel body (1) and the insulation board (2). The limiting structure includes two connecting frames (9). The two connecting frames (9) are fixedly installed on one side of the insulation board (2).

2. The prefabricated outer wall thermal insulation layer assembling and connecting structure according to claim 1, characterized in that: Two return springs (10) are fixedly installed on the inner side of the connecting frame (9). A movable rack (11) is fixedly installed at one end of the two return springs (10). Two first gears (12) are rotatably installed on one side of the inner side of the connecting frame (9). The movable rack (11) is located between the two first gears (12) and meshes with the two first gears (12).

3. The prefabricated outer wall thermal insulation layer assembling and connecting structure according to claim 2, characterized in that: One side of the movable rack (11) passes through the insulation board (2) and slides in contact with the insulation board (2). A handle (13) is fixedly installed on one side of the movable rack (11).

4. The prefabricated outer wall thermal insulation layer assembling and connecting structure according to claim 2, characterized in that: A limiting block (14) is fixedly installed on the other side of the interior of the connecting frame (9), and the movable rack (11) is disposed between the limiting block (14) and the connecting frame (9) and slides in contact with the connecting frame (9) and the limiting block (14).

5. The prefabricated outer wall thermal insulation layer assembling and connecting structure according to claim 2, characterized in that: Two second gears (15) are rotatably installed on the other side of the interior of the connecting frame (9). The two first gears (12) are fixedly connected to the two second gears (15) respectively. The outer sides of the two second gears (15) are meshed with limiting racks (16). The two limiting racks (16) pass through the upper and lower sides of the connecting frame (9) respectively and slide in contact with the connecting frame (9).

6. The prefabricated outer wall thermal insulation layer assembling and connecting structure according to claim 5, characterized in that: Two second slots (17) are provided on one side of the wall panel body (1). The two connecting frames (9) are respectively matched with the size of the two second slots (17). Limiting grooves are formed on the upper and lower sides of the two second slots (17). The limiting rack (16) is matched with the size of the limiting groove.

7. The prefabricated outer wall thermal insulation layer assembling and connecting structure according to claim 1, characterized in that: A rubber strip (5) is fixedly installed on one side of the insulation board (2), and a filling groove (6) is formed on one side of the wall panel body (1). The rubber strip (5) and the filling groove (6) are compatible. Two clips (7) are fixedly installed on one side of the insulation board (2), and two first slots (8) are opened on one side of the wall panel body (1). The two clips (7) are respectively matched in size with the two first slots (8).

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