CN218148978U - Prefabricated member for building expansion joint - Google Patents

Abstract

The utility model discloses a building body is prefabricated component for expansion joint, include: the cover plate is a long strip-shaped structure plate body and comprises two sub cover plates, and the adjacent sides of the two sub cover plates are detachably inserted in a mutually staggered manner through two insertion grooves; the sealing rubber strips are arranged in the two inserting grooves of the two sub cover plates; the two heat-insulating jacket layers are wrapped on the other sides of the two sub-cover plates, which are far away from each other; the cover plate is detachably buckled on the expansion joint between the base wall bodies. The utility model provides a prefabricated component for building expansion joints, which can effectively shield rain and snow water and protect other filling structures in the expansion joints; avoid producing the heat bridge, further guarantee the waterproof insulation performance of expansion joint department.

Description

Prefabricated member for building expansion joint

Technical Field

The utility model relates to a building wall structure field, in particular to building body is prefabricated component for expansion joint.

Background

In recent years, external wall external insulation is not only reasonable, but also applicable and fast in development. The heat preservation of the big wall of many buildings and gable position sets up in order, but has influenced whole heat preservation effect and aesthetic measure at the setting of expansion joint position to building subject changes along with time, produces stress at the part, and this kind of stress can obtain better dispersion through the design, in order to avoid being destroyed. The Chinese patent with the application number of 201420507869.0 discloses a wall deformation joint heat preservation node structure, which specifically discloses that a polystyrene board is filled in a deformation joint between base layer walls, the outer surfaces of the base layer walls on two sides of the deformation joint are provided with heat preservation layers, and the outer end surfaces of the filled polystyrene board and the outer surfaces of the base layer walls are provided with protection plates. This structure has obtained to a certain extent and has avoided producing stress failure because of the deformation of building, can prevent fracture and rainwater seepage, does benefit to waterproof effect. However, as can be seen from fig. 1, a certain gap is left between the protection plate structures, which still has a great risk of water leakage, and the protection plate extends to the base wall through the outside of the outer insulation layer, which generates a heat bridge, resulting in poor insulation effect.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

The utility model also aims to provide a prefabricated component for the building expansion joint, which can effectively shield rain and snow water so as to protect other filling structures in the expansion joint; avoid producing the heat bridge, further guarantee the waterproof insulation performance of expansion joint department.

In order to realize the basis the utility model discloses these objects and other advantages provide a building body is prefabricated component for expansion joint, include:

the cover plate is a long strip-shaped structure plate body and comprises two sub cover plates, and the adjacent sides of the two sub cover plates are detachably inserted in a mutually staggered manner through two insertion grooves; the sealing rubber strips are arranged in the two inserting grooves of the two sub-cover plates, and any sealing rubber strip is mutually abutted against the inner side walls of the two inserting grooves of the two sub-cover plates; the two heat-insulating jacket layers are wrapped on the other sides of the two sub-cover plates, which are far away from each other; the cover plate is detachably buckled on an expansion joint between the base layer wall bodies, and the two inserting grooves are opposite to the expansion joint and extend; one sides of the two sub-cover plates, which are far away from each other, are respectively embedded between the base wall and the outer heat-insulating layer, the two heat-insulating jacket layers are partially embedded into the bonding mortar between the base wall and the outer heat-insulating layer, and the thickness of any heat-insulating jacket layer is smaller than that of the heat-insulating layer in the outer heat-insulating layer.

Preferably, the whole width of the two insertion grooves of the two sub cover plates is smaller than that of the expansion joint, each insertion groove at least comprises a U-shaped opening, and at least one sealing rubber strip is arranged in each U-shaped opening.

Preferably, the method further comprises: the two ends of the expansion piece are respectively arranged on the two sub cover plates and are positioned between the expansion joint and the two insertion grooves; the telescopic piece comprises two rod pieces which are sleeved with each other, and the two rod pieces are detachably connected through a fastening nut; or the telescopic piece comprises two metal sheets which are mutually overlapped, and the overlapped parts of the two metal sheets are detachably connected through fastening bolts.

Preferably, the expansion joint is filled with a polystyrene board, a plurality of cover plates are arranged at the opening of the expansion joint, the cover plates are detachably connected end to end through a tongue-and-groove structure, and the polystyrene board is not in contact with the inner side walls of the cover plates.

Preferably, the inner cavities of the two inserting grooves between the two detachably inserted cover plates through the tongue-and-groove structure are communicated with each other to form an inner diversion groove.

Preferably, step-like tongue-and-groove is arranged at the lap joint of the heat insulation plate in the outer heat insulation layer and the two heat insulation jacket layers; and building sealant is arranged on the outer surface of the joint of the outer insulating layer and the cover plate.

Preferably, the outer edges of the two insulating jacket layers are fixed on the base layer wall body through expansion bolts, and the expansion bolts are not in contact with the cover plate.

The utility model discloses at least, include following beneficial effect:

the cover plate is effectively combined with the outer heat-insulating layer, the two inserting grooves which are arranged in a staggered and inserting mode are arranged opposite to the expansion joint in an extending mode, when the outer heat-insulating layer deforms to a certain extent under the action of temperature difference, a certain relative displacement can be formed between the two inserting grooves of the two sub-cover plates, so that the deformation of the outer heat-insulating layer is effectively matched, the whole structure is protected to be stable, meanwhile, rain and snow water is effectively shielded, and other filling structures in the expansion joint are protected; two insulation cover layers are directly sleeved and formed on the other sides of the two sub-cover plates to be in lap joint with the outer insulation layers, so that the cover plates are prevented from being in direct contact with the base wall, a heat bridge caused by the metal characteristic of the cover plates is avoided, and the waterproof and heat-insulating performance of the expansion joint is guaranteed.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a cross section of the prefabricated member for building expansion joints fastened at the expansion joints in an embodiment of the present invention;

fig. 2 is a schematic structural view of a cross section of the cover plate according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the telescopic member according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the telescopic member according to still another embodiment of the present invention;

fig. 5 is a schematic structural view of a cross section of the prefabricated member for building expansion joint fastened at the expansion joint according to another embodiment of the present invention, showing a step-like tongue-and-groove;

fig. 6 is a schematic structural view of a cross section of a prefabricated member for a building expansion joint, which is fastened at the expansion joint in another embodiment of the present invention, showing an expansion bolt.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1, the utility model provides a building body is prefabricated component for expansion joint, include:

the cover plate 1 is a long strip-shaped structural plate body and comprises two sub cover plates 10, and the adjacent sides of the two sub cover plates are detachably inserted into the two insertion grooves 101 in a mutually staggered and penetrating mode; compared with the original single-layer shielding cover plate, a multi-layer shielding can be formed between the two inserting grooves which are staggered and interpenetrated with each other, so that rainwater or snow water can be effectively shielded from permeating; the sealing rubber strips 102 are arranged in the two inserting grooves of the two sub-cover plates, and any sealing rubber strip is abutted against the inner side walls of the two inserting grooves of the two sub-cover plates; a plurality of sealing rubber strips are arranged in the two inserting grooves, so that the relative tightness between the two inserting grooves can be further improved, the structural stability is enhanced, and the infiltration of rainwater or snow water is further effectively shielded; two insulating jacket layers 103 which are coated and arranged on the other sides of the two sub cover plates which are far away from each other; the cover plate is detachably buckled on the expansion joint 3 between the base layer wall bodies 2, and the two inserting grooves are arranged opposite to the expansion joint in an extending mode; one sides of the two sub-cover plates, which are far away from each other, are respectively embedded between the base wall and the outer heat-insulating layer 4, the two heat-insulating jacket layers are partially embedded into bonding mortar between the base wall and the outer heat-insulating layer, and the thickness of any heat-insulating jacket layer is smaller than that of the heat-insulating layer in the outer heat-insulating layer.

In the scheme, the cover plate is effectively combined with the outer heat-insulating layer, the two inserting grooves which are staggered and inserted with each other are arranged opposite to the expansion joint in an extending way, when the outer heat-insulating layer generates certain deformation under the action of temperature difference, certain relative displacement can be generated between the two inserting grooves of the two sub-cover plates so as to effectively match the deformation of the outer heat-insulating layer, the whole structure is protected to be stable, and meanwhile, rain and snow water is effectively shielded, and other filling structures in the expansion joint are protected; two insulation cover layers are directly sleeved and formed on the other sides of the two sub-cover plates to be in lap joint with the outer insulation layers, so that the cover plates are prevented from being in direct contact with the base wall, a heat bridge caused by the metal characteristic of the cover plates is avoided, and the waterproof and heat-insulating performance of the expansion joint is guaranteed.

As shown in fig. 1 and 2, in a preferred embodiment, the overall width of the two insertion grooves of the two sub-cover plates is smaller than the overall width of the expansion joint, and any insertion groove at least comprises a U-shaped opening, and at least one sealing rubber strip is arranged in one U-shaped opening. In this scheme, two insert and establish the groove if set up to all contain a "U" shape mouth, then can insert two and establish the gap that forms "S" shape between the groove, two insert establish the groove if set up to all contain two "U" shape mouths, then can insert two and establish the gap of forming two "S" shapes of end to end connection between the groove, effectively shelter from the infiltration of rainwater or snow water.

As shown in fig. 3 and 4, in a preferred embodiment, the method further includes: the two ends of the expansion piece 20 are respectively arranged on the two sub cover plates and are positioned between the expansion joint and the two insertion grooves; the telescopic piece comprises two rod pieces which are sleeved with each other, and the two rod pieces are detachably connected through a fastening nut 201; alternatively, the expansion piece comprises two metal sheets which are overlapped with each other, and the overlapped parts of the two metal sheets are detachably connected and arranged through fastening bolts 202. In this scheme, the structure of telescopic link is used for supporting fixed two and divides the apron, makes its effectively keep two interlude structures of wearing the slot, simultaneously, in the actual construction, the length of adjustable telescopic link is finely tuned to two interlude amounts of dividing between the apron to the expansion joint of the different width of adaptation, simple structure, it is convenient to use.

In a preferred scheme, the expansion joint is filled with a polystyrene board 5, a plurality of cover plates are arranged at an opening of the expansion joint, the cover plates are detachably connected end to end through tongue-and-groove structures, and the polystyrene board is not in contact with the inner side walls of the cover plates. In the scheme, the length of the cover plate is freely selected for convenient transportation and construction, and the cover plate is transported to a construction site and then is fixedly connected end to end; before applying the apron, pack the polyphenyl board in the expansion joint to carrying out the heat preservation in the expansion joint and handling, generally in order to guarantee the heat preservation effect, the inside wall on two insulation cover layers sets up with the partial lateral wall of the polyphenyl board of packing contradicts each other, can add building sealant or thermal mortar at the part of contradicting.

In a preferred scheme, the inner cavities of two inserting grooves between two detachably inserted cover plates through the tongue-and-groove structure are communicated with each other to form an internal diversion groove. In this scheme, the guiding gutter that forms between a plurality of apron can be with water conservancy diversion such as rainwater, snow water that infiltrate wherein to ground to inside effectively avoiding water to get into the apron.

As shown in fig. 5, in a preferred scheme, a step-like tongue-and-groove 402 is arranged at a lap joint of a heat insulation board 401 in the outer heat insulation layer and two heat insulation jacket layers; and building sealing paste is arranged on the outer surface of the joint of the outer insulating layer and the cover plate.

As shown in fig. 6, in a preferred embodiment, the outer edges of the two insulating jacket layers are fixed to the base wall through expansion bolts 30, and the expansion bolts are not in contact with the cover plate, so that a thermal bridge between the expansion bolts and the cover plate can be effectively avoided, and the insulating effect of the outer insulating layer is ensured.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims (7)

1. The utility model provides a building expansion joint is with prefabricated component which characterized in that includes:

the cover plate is a long strip-shaped structure plate body and comprises two sub cover plates, and the adjacent sides of the two sub cover plates are detachably inserted in a mutually staggered manner through two insertion grooves; the sealing rubber strips are arranged in the two inserting grooves of the two sub-cover plates, and any sealing rubber strip is mutually abutted against the inner side walls of the two inserting grooves of the two sub-cover plates; the two heat-insulating jacket layers are wrapped on the other sides of the two sub-cover plates, which are far away from each other; the cover plate is detachably buckled on the expansion joint between the base wall bodies, and the two inserting grooves are arranged opposite to the expansion joint in an extending mode; one sides of the two sub-cover plates, which are far away from each other, are respectively embedded between the base wall and the outer heat-insulating layer, the two heat-insulating jacket layers are partially embedded into the bonding mortar between the base wall and the outer heat-insulating layer, and the thickness of any heat-insulating jacket layer is smaller than that of the heat-insulating layer in the outer heat-insulating layer.

2. The prefabricated member for building expansion joints according to claim 1, wherein the overall width of the two insertion grooves of the two sub-cover plates is smaller than the overall width of the expansion joint, and each insertion groove comprises at least one "U" -shaped opening, and at least one sealing rubber strip is arranged in each "U" -shaped opening.

3. A prefabricated member for a building expansion joint according to claim 1, further comprising:

the two ends of the expansion piece are respectively arranged on the two sub cover plates and are positioned between the expansion joint and the two insertion grooves; the telescopic piece comprises two rod pieces which are sleeved with each other, and the two rod pieces are detachably connected through a fastening nut;

or the telescopic piece comprises two metal sheets which are mutually overlapped, and the overlapped parts of the two metal sheets are detachably connected through fastening bolts.

4. The prefabricated member for building body expansion joints according to claim 1, wherein a polystyrene board is filled in the expansion joint, a plurality of cover boards are arranged at the opening of the expansion joint, the cover boards are detachably connected end to end through a tongue-and-groove structure, and the polystyrene board is not in contact with the inner side walls of the cover boards.

5. A prefabricated member for building expansion joints according to claim 4, wherein the inner cavities of two insertion grooves between two cover plates detachably inserted through the tongue-and-groove structure are communicated with each other to form an inner diversion groove.

6. The prefabricated component for a building expansion joint of claim 1, wherein a step-like tongue-and-groove is arranged at the mutual lap joint of the heat insulation plate in the outer heat insulation layer and the two heat insulation jacket layers;

and building sealant is arranged on the outer surface of the joint of the outer insulating layer and the cover plate.

7. The prefabricated member for building expansion joint as claimed in claim 1, wherein the outer edges of the two insulating jacket layers are fixed to the base wall by expansion bolts, and the expansion bolts are not in contact with the cover plate.

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