CN219386862U - Keel type composite prefabricated wallboard and prefabricated wallboard system - Google Patents

Abstract

The embodiment of the utility model discloses a keel type composite prefabricated wallboard and a prefabricated wallboard system, and relates to the technical field of building structures. The utility model aims to solve the problem of lower construction efficiency of the building. The compound prefabricated wallboard of fossil fragments includes: the keel frame comprises a top keel, a ground keel and a vertical keel, wherein the top keel and the ground keel are oppositely arranged and are respectively arranged at two ends of the vertical keel; the decorative plate is parallel to the ceiling joists and the earthworm bones and is arranged on the first side of the joist frame; the heat insulation plate is parallel to the ceiling joists and the earthworm bones and is arranged on the second side of the joist frame; wherein the first side corresponds to the second side; the space among the keel frame, the decorative plate and the heat preservation and insulation plate comprises at least two accommodating spaces separated by the vertical keel, and openings are arranged on the at least two accommodating spaces; the wall bodies are respectively accommodated in the at least two accommodating spaces. The method is suitable for application scenes in which the construction efficiency of the building needs to be improved.

Description

Keel type composite prefabricated wallboard and prefabricated wallboard system

Technical Field

The utility model relates to the technical field of building structures. In particular to a keel type composite prefabricated wallboard and a prefabricated wallboard system.

Background

The traditional building construction is generally to firstly support a mould, distribute reinforcing steel bars, then pour filling materials such as a concrete body and the like on a construction site, disassemble the mould after the filling materials such as the concrete body and the like are formed, and then perform a series of tedious work such as outer wall moisture-preserving and heat-insulating layer construction, outer decorative layer construction, inner decoration construction and the like, so that a great deal of manpower is required, the required construction period is longer, the building construction efficiency is lower, and a lot of construction waste is generated on site.

Disclosure of Invention

In view of the above, the embodiment of the utility model provides a keel type composite prefabricated wallboard and a prefabricated wallboard system, which can improve the construction efficiency of a building.

In order to achieve the above purpose, the embodiment of the present utility model adopts the following technical scheme:

in a first aspect, embodiments of the present utility model provide a keel composite prefabricated wall panel comprising: the keel frame comprises a ceiling keel, earthworm bones and vertical keels, wherein the ceiling keel and the earthworm bones are oppositely arranged and are respectively arranged at two ends of the vertical keels; the decorative plate is parallel to the ceiling keels and the ground keels and is arranged on the first side of the keel frame; the heat insulation plate is parallel to the ceiling keels and the ground keels and is arranged on the second side of the keel frame; wherein the first side corresponds to the second side; the space among the keel frame, the decorative plate and the thermal insulation plate comprises at least two accommodating spaces separated by the vertical keel, and the at least two accommodating spaces are provided with openings; and the wall bodies are respectively accommodated in the at least two accommodating spaces.

According to a specific implementation manner of the embodiment of the utility model, a groove or a bulge is arranged on one side of the wall body, which is close to the opening of the accommodating space.

According to a specific implementation manner of the embodiment of the utility model, the space keel and the earthworm bone are respectively in a shape of a straight line; the space between fossil fragments frame the decorative board with heat preservation heat insulating board includes, by two accommodation spaces of vertical keel partition.

According to a specific implementation manner of the embodiment of the utility model, the space keel and the earthworm bone are respectively in an inverted L shape; the vertical keels comprise a first vertical keel and a second vertical keel, the long side on the cross section of the first end of the first vertical keel is flush with the outer edge of the transverse side of the ceiling keel, and the long side on the cross section of the second end of the first vertical keel is flush with the outer edge of the transverse side of the ground keel; the short sides of the cross section of the first end of the first vertical keel are respectively flush with the inner edge and the outer edge of the vertical edge of the ceiling keel, and the short sides of the cross section of the second end of the first vertical keel are respectively flush with the inner edge and the outer edge of the vertical edge of the earthworm keel; the long edge on the cross section of the first end of the second vertical keel is abutted with the short edge, far away from the outer edge of the vertical keel, on the cross section of the first end of the first vertical keel, and the long edge on the cross section of the second end of the second vertical keel is abutted with the short edge, far away from the outer edge of the vertical keel, on the cross section of the second end of the first vertical keel; the minor face on the cross section of the first end of second vertical joist flushes with the inside and outside edge of the horizontal limit of sky fossil fragments respectively, the minor face on the cross section of the second end of second vertical joist flushes with the inside and outside edge of the horizontal limit of earthworm bone respectively.

According to a specific implementation manner of the embodiment of the utility model, the space keel and the earthworm bone are respectively T-shaped; the vertical keels comprise a first vertical keel, a second vertical keel and a third vertical keel, the long side on the cross section of the first end of the first vertical keel is flush with the outer edge of the transverse side of the ceiling keel, and the long side on the cross section of the second end of the first vertical keel is flush with the outer edge of the transverse side of the ground keel; the short sides of the cross section of the first end of the first vertical keel are respectively flush with the inner edge and the outer edge of the vertical edge of the ceiling keel, and the short sides of the cross section of the second end of the first vertical keel are respectively flush with the inner edge and the outer edge of the vertical edge of the earthworm keel; the long side on the cross section of the first end of the second vertical keel is abutted with the short side of one side on the cross section of the first end of the first vertical keel, and the long side on the cross section of the second end of the second vertical keel is abutted with the short side of the same side on the cross section of the second end of the first vertical keel; the short sides of the cross section of the first end of the second vertical keel are respectively flush with the inner edge and the outer edge of the transverse edge of the ceiling keel, and the short sides of the cross section of the second end of the second vertical keel are respectively flush with the inner edge and the outer edge of the transverse edge of the earthworm keel; the long side on the cross section of the first end of the third vertical keel is abutted with the short side of the other side on the cross section of the first end of the first vertical keel, and the long side on the cross section of the second end of the third vertical keel is abutted with the short side of the same side on the cross section of the second end of the first vertical keel; the short sides on the cross section of the first end of the third vertical keel are respectively flush with the inner edge and the outer edge of the transverse edge of the ceiling keel, and the short sides on the cross section of the second end of the third vertical keel are respectively flush with the inner edge and the outer edge of the transverse edge of the earthworm keel.

According to a specific implementation manner of the embodiment of the utility model, a plurality of first preset threaded holes are respectively formed in the decorative plate, the heat insulation plate and the keel frame, and connecting screws are respectively arranged in the plurality of first preset threaded holes.

According to a specific implementation manner of the embodiment of the utility model, the keel frame is made of light steel.

According to a specific implementation mode of the embodiment of the utility model, the decorative plate is an oriented strand board, and the heat-insulating plate is an extruded polystyrene heat-insulating plate.

In a second aspect, embodiments of the present utility model provide a prefabricated wall panel system comprising at least: the composite wall panel comprises a first keel type composite prefabricated wall panel, a second keel type composite prefabricated wall panel, a connecting sheet and two connecting screws, wherein the first keel type composite prefabricated wall panel and the second keel type composite prefabricated wall panel are any keel type composite prefabricated wall panel in the first aspect respectively; the left side and/or the right side of the front side of the ceiling joist of the joist frame of the first joist type composite prefabricated wall board and the second joist type composite prefabricated wall board and/or the left side and/or the right side of the rear side of the ceiling joist are respectively provided with a second preset threaded hole; and/or the left side and/or the right side of the front side of the earthworm bone of the keel frame of the first keel type composite prefabricated wall board and the second keel type composite prefabricated wall board and/or the left side and/or the right side of the rear side of the ground keel are respectively provided with a third preset threaded hole; at least two connecting holes are formed in the connecting sheet; the connecting screws respectively penetrate through the connecting holes on the connecting sheets and are in threaded connection with the first keel type composite prefabricated wallboard and the second preset threaded holes or the third threaded holes on the second keel type composite prefabricated wallboard.

According to a specific implementation manner of the embodiment of the utility model, the connecting screws respectively penetrate through the connecting holes on the four connecting sheets to be in threaded connection with the second preset threaded holes on the front side and the rear side of the ceiling joist of the first keel type composite prefabricated wall board and the second keel type composite prefabricated wall board and the third preset threaded holes on the front side and the rear side of the ground joist.

The keel type composite prefabricated wallboard and the prefabricated wallboard system provided by the embodiment of the utility model comprise the following components: the fossil fragments frame, set up decorative board, the setting of fossil fragments frame's first side are in the heat preservation heat insulating board of fossil fragments frame's second side, fossil fragments frame the decorative board with space between the heat preservation heat insulating board includes by two at least accommodation spaces of vertical keel partition hold the wall body in two at least accommodation spaces respectively, be equipped with the opening on two at least accommodation spaces, the aforesaid opening can make two fossil fragments compound prefabricated wallboard convenient interconnect to improve construction efficiency.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a keel composite prefabricated wall panel according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional side view of the keel composite prefabricated wall panel of FIG. 1;

FIG. 3 is a cross-sectional view of a cross-section of a ceiling runner (or floor runner) of a composite prefabricated wall panel of the present utility model;

FIG. 4 is a cross-sectional view of an inverted L-shaped ceiling runner (or ground runner) of a composite prefabricated wall panel according to an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of a T-shaped ceiling runner (or ground runner) of a composite prefabricated wall panel according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a prefabricated wall panel system according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a connection portion of the prefabricated wall panel system of FIG. 6;

fig. 8 is a top view of the connection of fig. 7.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

It should be understood that the described embodiments are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Referring to fig. 1 and 2, a keel composite prefabricated wallboard provided by an embodiment of the present utility model includes: the keel frame 100, the keel frame 100 includes a ceiling keel 110, an earthworm bone 120 and a vertical keel 130, the ceiling keel 110 and the earthworm bone 120 are oppositely arranged, and are respectively arranged at two ends of the vertical keel 130; a decorative plate 2 parallel to the ceiling joist 110 and the earthworm bone 120 and disposed on a first side of the joist frame 100; the heat insulation board 3 is parallel to the ceiling joist 110 and the earthworm bone 120 and is arranged on the second side of the joist frame 100; wherein the first side corresponds to the second side; the space among the keel frame 100, the decorative plate 2 and the thermal insulation plate 3 comprises at least two accommodating spaces separated by the vertical keel 130, and the at least two accommodating spaces are provided with openings; the wall bodies 4 are respectively accommodated in the at least two accommodating spaces.

The keel frame 100 is an integral structure formed by fixedly connecting the ceiling keel 110 and the earthworm bone 120 with the vertical keel 130 respectively, and the fixed connection mode can be threaded connection or welding.

Referring to fig. 1, the decorative plate 2 is as wide as the vertical keel 110 or the ground keel 120 and as high as the vertical keel 130; the heat insulation board 3 is as wide as the vertical keel 110 or the ground keel 120, as high as the vertical keel 130, and the decorative board 2 and the heat insulation board 3 are respectively positioned at the front side and the rear side of the keel frame 100. In some examples, the keel type composite prefabricated wall panel may be used to construct a prefabricated house, in which case the decoration board 2 may face the inside of the prefabricated house, and the heat insulation board 3 may face the outside of the prefabricated house, i.e. the decoration board 2 serves as an inner wall and the heat insulation board 3 serves as an outer wall.

The at least two receiving spaces are partitioned by the vertical keels 130, so that the openings correspond to the vertical keels 130, and the openings are equal in height to the vertical keels 130 and equal in width to the ceiling keels 110 or the ground keels 120.

The openings arranged on the at least two accommodating spaces can be used for connection between the keel type composite prefabricated wallboards so as to realize the preset purpose, such as building a movable house.

The keel type composite prefabricated wallboard provided by the embodiment of the utility model comprises the following components: the keel frame 100, set up the decorative board 2 of the first side of keel frame 100, set up the heat preservation heat insulating board 3 of the second side of keel frame 100, keel frame 100 decorative board 2 with space between the heat preservation heat insulating board 3 includes by two at least accommodation spaces of vertical keel 130 partition have held wall body 4 respectively in two at least accommodation spaces, be equipped with the opening on two at least accommodation spaces, the aforesaid opening can make two convenient interconnect of keel type compound prefabricated wallboard to improve building efficiency.

In addition, compare in order to obtain the wallboard in the scene modeling pouring, the fossil fragments formula composite prefabrication wallboard that this embodiment provided is the wallboard of shaping in advance, assembles at the job site and can use, because need not to carry out modeling pouring at the job site, consequently can reduce the construction rubbish of job site, further improvement construction progress.

Referring to fig. 3, in order to facilitate the connection of two joist type composite prefabricated wall panels, in some embodiments, a groove 510 or a protrusion 520 is provided on the wall 4 near the opening side of the receiving space. Wherein the recess 510 is adapted to the protrusion 520, i.e. the protrusion 520 is insertable into the recess 510.

In some examples, a groove 510 is formed in the wall 4 of one accommodating space of a keel type composite prefabricated wall panel, and a protrusion 520 is formed in the cavity of the other accommodating space, that is, a groove 510 and a protrusion 520 are simultaneously formed in a keel type composite prefabricated wall panel.

The protrusions 520 and recesses 510 may be sized such that when the protrusions 520 of one keel composite prefabricated wall panel are inserted into the recesses 510 of another keel composite prefabricated wall panel, an interference fit between the protrusions 520 and recesses 510, i.e., the protrusions 520 and recesses 510, is engaged to limit the mutual movement of the two keel composite prefabricated wall panels in the left-right direction. The side wall of the protrusion 520 and the side wall of the groove 510 are abutted to limit the mutual movement of the two keel type composite prefabricated wallboards in the front-back direction, so that the two keel type composite prefabricated wallboards can be conveniently connected with each other by arranging the groove 510 and the protrusion 520 on the wall body 4 of the keel type composite prefabricated wallboards.

Because the opening is level with the cross runner 130, in some examples, the grooves 510 and protrusions 520 may be level with the opening, i.e., the grooves 510 and protrusions 520 may be level with the cross runner 130.

In other examples, where the protrusion 520 is connected to the body of the wall 4, the end of the protrusion 520 may be in a cylindrical shape, the shape of the groove 510 may be adapted to the shape of the protrusion 520, and a guide opening (not shown) may be provided at the opening of the groove 510 to facilitate insertion of the protrusion 520 of one keel type composite prefabricated wall panel into the groove 510 of another keel type composite prefabricated wall panel to which it is connected.

Referring to fig. 3, in some embodiments, the space keel 110 and the earthworm bone 120 are respectively in a straight shape; the space between the keel frame 100, the decorative plate 2 and the heat insulation board 3 includes two receiving spaces partitioned by the vertical keel 130.

In some examples, the openings on the two accommodating spaces are respectively surrounded by the ceiling joist 110, the earthworm bone 120, the decorative board 2 and the left and right edges of the thermal insulation board 3, that is, the vertical joist 130 separates the left and right accommodating spaces, and the openings on the two accommodating spaces are respectively positioned at the left and right sides of the keel type composite prefabricated wallboard. A groove 510 may be provided at the opening of the left side of the keel type composite prefabricated wall panel where the wall body 4 in the left side accommodating space 610 approaches, and a protrusion 520 may be provided at the opening of the right side of the keel type composite prefabricated wall panel where the wall body 4 in the right side accommodating space 620 approaches.

Referring to fig. 4, in some embodiments, the space keel 110 and the earthworm bone 120 are respectively inverted L-shaped; the vertical keels 130 include a first vertical keel 131 and a second vertical keel 132, wherein a long side on a cross section of a first end of the first vertical keel 131 is flush with an outer edge of a lateral side of the ceiling keel 110, and a long side on a cross section of a second end of the first vertical keel 131 is flush with an outer edge of a lateral side of the floor keel 120; the short sides of the cross section of the first end of the first vertical keel 131 are respectively flush with the inner and outer edges of the vertical edge of the vertical keel 110, and the short sides of the cross section of the second end of the first vertical keel 131 are respectively flush with the inner and outer edges of the vertical edge of the earthworm bone 120; a long side of the cross section of the first end of the second vertical keel 132 is abutted against a short side of the cross section of the first end of the first vertical keel 131, which is far away from the outer edge of the vertical keel 110, and a long side of the cross section of the second end of the second vertical keel 132 is abutted against a short side of the cross section of the second end of the first vertical keel 131, which is far away from the outer edge of the vertical keel 110; the short sides of the cross section of the first end of the second vertical keel 132 are respectively flush with the inner and outer edges of the lateral edge of the ceiling keel 110, and the short sides of the cross section of the second end of the second vertical keel 132 are respectively flush with the inner and outer edges of the lateral edge of the earthworm bone 120.

The shape of the space keel 110 and the earthworm bone 120 can rotate around the end of the long side of the inverted L shape to form a plurality of shapes such as the L shape, and the space keel 110 and the earthworm bone 120 of the shapes are still the inverted L-shaped space keel 110 and the earthworm bone 120, thus the utility model belongs to the protection scope.

In some examples, the first and second vertical keels 131 and 132 partition the first and second receiving spaces 710 and 720 at corners of the inverted-L-shaped space keels 110 and the earthworm bones 120. Specifically, the first accommodating space 710 includes a long side portion of the ceiling keel 110, a long side portion of the ground keel 120, a first portion of the decorative board 2, a first portion of the heat insulation board 3, and a first vertical keel 131; the second receiving space 720 includes a short side portion of the ceiling joist 110, a short side portion of the earthworm bone 120, a second portion of the decorative sheet 2, a second portion of the heat insulation board 3, and a second vertical joist 132. Wherein the first part decorative board 2 and the second part decorative board 2 form a complete decorative board 2, the first part heat insulation board 3 and the second part heat insulation board 3 form a complete heat insulation board 3, and the first vertical keel 131 and the second vertical keel 132 can be C-shaped vertical keel 130 respectively.

The opening of the wall body 4 of the first receiving space 710 near the long sides of the inverted-L-shaped space keel 110 and the earthworm bone 120 may be provided with the groove 510, and the opening of the wall body 4 of the second receiving space 720 near the right sides of the short sides of the inverted-L-shaped space keel 110 and the earthworm bone 120 may be provided with the protrusion 520, which may be used as a corner wall plate. Alternatively, the arrangement positions of the grooves 510 and the protrusions 520 may be exchanged.

Referring to fig. 5, in some embodiments, the space keel 110 and the earthworm bone 120 are respectively T-shaped; the vertical keels 130 include a first vertical keel 231, a second vertical keel 232, and a third vertical keel 233, wherein a long side of a cross section of a first end of the first vertical keel 231 is flush with an outer edge of a lateral side of the ceiling keel 110, and a long side of a cross section of a second end of the first vertical keel 231 is flush with an outer edge of a lateral side of the floor keel 120; the short sides of the cross section of the first end of the first vertical keel 231 are respectively flush with the inner and outer edges of the vertical edge of the vertical keel 110, and the short sides of the cross section of the second end of the first vertical keel 231 are respectively flush with the inner and outer edges of the vertical edge of the earthworm bone 120; a long side of the cross section of the first end of the second vertical keel 232 is abutted against a short side of one side of the cross section of the first end of the first vertical keel 231, and a long side of the cross section of the second end of the second vertical keel 232 is abutted against a short side of the same side of the cross section of the second end of the first vertical keel 231; the short sides of the cross section of the first end of the second vertical keel 232 are respectively flush with the inner and outer edges of the lateral side of the ceiling keel 110, and the short sides of the cross section of the second end of the second vertical keel 232 are respectively flush with the inner and outer edges of the lateral side of the earthworm bone 120; a long side of the cross section of the first end of the third vertical keel 233 is abutted against a short side of the other side of the cross section of the first end of the first vertical keel 231, and a long side of the cross section of the second end of the third vertical keel 233 is abutted against a short side of the same side of the cross section of the second end of the first vertical keel 231; the short sides of the cross section of the first end of the third vertical keel 233 are respectively flush with the inner and outer edges of the transverse edge of the ceiling keel 110, and the short sides of the cross section of the second end of the third vertical keel 233 are respectively flush with the inner and outer edges of the transverse edge of the earthworm bone 120.

The shape of the space keel 110 and the earthworm bone 120 can rotate around the end of the long side of the T shape to form a plurality of shapes such as inverted T shape, and the space keel 110 and the earthworm bone 120 of the shapes are still the space keel 110 and the earthworm bone 120 of the T shape, thus the utility model is in the protection scope.

In this embodiment, the long sides of the ceiling runners 110 and the floor runners 120 may also be referred to as vertical sides and the short sides may also be referred to as lateral sides.

In some examples, the first, second and third vertical keels 231, 232 and 233 partition a third, fourth and fifth receiving space 830, 232 at the corners of the T-shaped space keels 110 and 120. The third receiving space 830 may include a long side portion of the ceiling joist 110, a long side portion of the ground joist 120, a first portion of the decorative sheet 2, a first portion of the insulation board 3 and a first vertical joist 231; the fourth receiving space may include a left long side portion of the ceiling joist 110, a left long side portion of the ground joist 120, a second portion of the decorative sheet 2, a second portion of the insulation board 3 and a second vertical joist 232; the fifth receiving space may include a right long side portion of the ceiling joist 110, a right long side portion of the ground joist 120, a third portion of the decorative sheet 2, a third portion of the heat insulating sheet 3 and a third vertical joist 233.

The opening of the wall body 4 of the first accommodating space 810 near the bottoms of the long sides of the T-shaped space keels 110 and the earthworm bones 120 may be provided with the groove 510, the opening of the cavity of the second accommodating space 820 near the left sides of the short sides of the T-shaped space keels 110 and the earthworm bones 120 may be provided with the groove 510, and the opening of the cavity of the third accommodating space 830 near the right sides of the T-shaped space keels 110 and the earthworm bones 120 may be provided with the protrusion 520, which may be used as an inner partition plate. Alternatively, the arrangement positions of the grooves 510 and the protrusions 520 may be exchanged based on actual needs.

Referring to fig. 1, in some embodiments, a plurality of first preset screw holes 9 are respectively provided on the decorative board 2, the thermal insulation board 3 and the keel frame 100, and connecting screws 15 are respectively provided in the plurality of first preset screw holes 9.

In some examples, a plurality of first preset screw holes 9 may be provided at preset intervals from the left side toward the right side on the front and/or rear side of the ceiling bone 110 and/or the front and/or rear side of the earthworm bone 120 of the keel frame 100. In other examples, the ceiling joists 110 and the earthworm bone 120 of the joist frame 100 are each in a straight shape, including two receiving spaces separated by the vertical joist 130. A plurality of first preset screw holes 9 are provided on the vertical keel 130 along preset intervals from the upper side toward the lower side. Thus, by providing a plurality of first preset screw holes 9, the stability of the fixed connection between the decorative plate 2, the heat insulation board 3 and the keel frame 100 can be increased.

In some examples, self-locking screws are selected as the connecting screws, which may increase the ease of fixedly connecting the trim panel 2, the insulation panel 3, and the keel frame 100.

In some embodiments, the keel frame 100 is made of light steel.

In some embodiments, the decorative board 2 is oriented strand board (Oriented Strand Board, OSB board) and the thermal insulation board 3 is extruded polystyrene thermal insulation board 3 (Extruded Polystyrene Board, XPS board).

In some examples, an outer decorative layer 10 is also provided on the outside of the heat insulating plate 3. The outer decorative surface layer 10 can protect the heat insulation board 3 from damage.

In some embodiments, the wall 4 may be made of straw fiber concrete.

Example two

Referring to fig. 6 to 8, the prefabricated wall panel system provided by the embodiment of the utility model at least comprises: the composite prefabricated wall panel comprises a first keel type composite prefabricated wall panel 11, a second keel type composite prefabricated wall panel 12, a connecting sheet 13 and two connecting screws 15, wherein the first keel type composite prefabricated wall panel 11 and the second keel type composite prefabricated wall panel 12 are any one of the keel type composite prefabricated wall panels in the first embodiment; the left side and/or the right side of the front side of the ceiling joist of the joist frame of the first joist type composite prefabricated wall panel 11 and the second joist type composite prefabricated wall panel 12 and/or the left side and/or the right side of the rear side of the ceiling joist are respectively provided with a second preset threaded hole; and/or the left side and/or the right side of the front side of the ground keel of the keel frame of the first keel type composite prefabricated wall panel 11 and the second keel type composite prefabricated wall panel 12 and/or the left side and/or the right side of the rear side of the ground keel are respectively provided with a third preset threaded hole; at least two connecting holes 14 are arranged on the connecting sheet 13; the connecting screws 15 respectively penetrate through the connecting holes 14 on the connecting pieces 13 and are in threaded connection with the second preset threaded holes or the third threaded holes on the first keel type composite prefabricated wall board 11 and the second keel type composite prefabricated wall board 12.

The prefabricated wallboard system can further comprise a third keel type composite prefabricated wallboard and a fourth keel type composite prefabricated wallboard, wherein each keel type composite prefabricated wallboard can be of a shape of a Chinese character 'Tian' and a shape of a Chinese character 'Lumbricus' respectively, or according to the fact that the Tian 'Ke and the Lumbricus' are selected by engineering, the Tian 'Ke' and the shape of a Chinese character 'Lumbricus' are selected by engineering, or according to the fact that the Tian 'Ke' and the Lumbricus 'are selected by engineering, the Tian' Ke 'and the shape of a Chinese character' T 'are selected by engineering, or the shape of a Chinese character' and/or the shape of a Chinese character 'T'.

The connecting sheet 13 can be made of galvanized steel sheet connecting sheet 13, and has better corrosion resistance and higher strength, so that the connection reliability between the keel type composite prefabricated wallboards can be ensured.

The connection screw 15 may be a self-locking screw to increase the ease of connection between the keel frame keel composite prefabricated wall panels.

The prefabricated wallboard system provided by the embodiment of the utility model can be inserted into the groove on the second keel type composite prefabricated wallboard 12 at least through the bulge of the first keel type composite prefabricated wallboard 11, so that the first keel type composite prefabricated wallboard 11 and the second keel type composite prefabricated wallboard 12 are conveniently connected with each other, and the building construction efficiency is improved. After the protrusions on the first keel type composite prefabricated wall plate 11 and the grooves on the second keel type composite prefabricated wall plate 12 are connected with each other, the first keel type composite prefabricated wall plate 11 and the second keel type composite prefabricated wall plate 12 can be connected through the connecting sheets 13 and the connecting screws 15, so that the stability of connection between the first keel type composite prefabricated wall plate 11 and the second keel type composite prefabricated wall plate 12 is improved.

In some embodiments, the connecting screws 15 are threaded through the connecting holes 14 on the four connecting pieces 13 to the second preset screw holes on the front and rear sides of the ceiling joists of the first and second joist type composite prefabricated wall boards 11 and 12, and the third preset screw holes on the front and rear sides of the ground joist.

In some examples, second preset screw holes may be respectively provided on the right end of the front side of the ceiling runner, the right end of the rear side of the ceiling runner, the right end of the front side of the ground runner, and the right end of the rear side of the ground runner of the first keel type composite prefabricated wall panel 11. Third preset threaded holes can be respectively formed in the left end of the front side of the ceiling joist, the left end of the rear side of the ceiling joist, the left end of the front side of the ground joist and the left end of the rear side of the earthworm bone of the second keel type composite prefabricated wall panel 12. The two connecting screws 15 can pass through the first connecting sheet 13 of the four connecting sheets 13 to be respectively in threaded connection with a second preset threaded hole at the right end of the front side of the ceiling keel of the first keel type composite prefabricated wall board 11 and a third preset threaded hole at the left end of the front side of the ceiling keel of the second keel type composite prefabricated wall board 12. The connection modes between the rest of the second preset threaded holes on the first keel type composite prefabricated wall panel 11 and the rest of the second preset threaded holes on the second keel type composite prefabricated wall panel 12 and the connecting pieces 13 and the connecting screws 15 can be referred to.

It should be noted that, in this document, emphasis on the solutions described between the embodiments is different, but there is a certain interrelation between the embodiments, and when understanding the solution of the present utility model, the embodiments may refer to each other; in addition, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. A keel composite prefabricated wall panel, comprising:

the keel frame comprises a ceiling keel, earthworm bones and vertical keels, wherein the ceiling keel and the earthworm bones are oppositely arranged and are respectively arranged at two ends of the vertical keels;

the decorative plate is parallel to the ceiling keels and the ground keels and is arranged on the first side of the keel frame;

the heat insulation plate is parallel to the ceiling keels and the ground keels and is arranged on the second side of the keel frame; wherein the first side corresponds to the second side;

the space among the keel frame, the decorative plate and the thermal insulation plate comprises at least two accommodating spaces separated by the vertical keel, and the at least two accommodating spaces are provided with openings; and the wall bodies are respectively accommodated in the at least two accommodating spaces.

2. The joist composite prefabricated wall panel according to claim 1, wherein the wall body is provided with a groove or a protrusion on a side thereof adjacent to the opening of the receiving space.

3. The keel composite prefabricated wall panel according to claim 1, wherein said ceiling runners and said earthworm runners are each in the form of a straight line;

the space between fossil fragments frame the decorative board with heat preservation heat insulating board includes, by two accommodation spaces of vertical keel partition.

4. The keel composite prefabricated wall panel according to claim 1, wherein said ceiling runners and said earthworm runners are inverted L-shaped respectively;

the vertical keels comprise a first vertical keel and a second vertical keel, the long side on the cross section of the first end of the first vertical keel is flush with the outer edge of the transverse side of the ceiling keel, and the long side on the cross section of the second end of the first vertical keel is flush with the outer edge of the transverse side of the ground keel;

the short sides of the cross section of the first end of the first vertical keel are respectively flush with the inner edge and the outer edge of the vertical edge of the ceiling keel, and the short sides of the cross section of the second end of the first vertical keel are respectively flush with the inner edge and the outer edge of the vertical edge of the earthworm keel;

the long edge on the cross section of the first end of the second vertical keel is abutted with the short edge, far away from the outer edge of the vertical keel, on the cross section of the first end of the first vertical keel, and the long edge on the cross section of the second end of the second vertical keel is abutted with the short edge, far away from the outer edge of the vertical keel, on the cross section of the second end of the first vertical keel;

the minor face on the cross section of the first end of second vertical joist flushes with the inside and outside edge of the horizontal limit of sky fossil fragments respectively, the minor face on the cross section of the second end of second vertical joist flushes with the inside and outside edge of the horizontal limit of earthworm bone respectively.

5. The keel composite prefabricated wall panel according to claim 1, wherein said ceiling runners and said earthworm runners are each T-shaped;

the vertical keels comprise a first vertical keel, a second vertical keel and a third vertical keel, the long side on the cross section of the first end of the first vertical keel is flush with the outer edge of the transverse side of the ceiling keel, and the long side on the cross section of the second end of the first vertical keel is flush with the outer edge of the transverse side of the ground keel;

the short sides of the cross section of the first end of the first vertical keel are respectively flush with the inner edge and the outer edge of the vertical edge of the ceiling keel, and the short sides of the cross section of the second end of the first vertical keel are respectively flush with the inner edge and the outer edge of the vertical edge of the earthworm keel;

the long side on the cross section of the first end of the second vertical keel is abutted with the short side of one side on the cross section of the first end of the first vertical keel, and the long side on the cross section of the second end of the second vertical keel is abutted with the short side of the same side on the cross section of the second end of the first vertical keel;

the short sides of the cross section of the first end of the second vertical keel are respectively flush with the inner edge and the outer edge of the transverse edge of the ceiling keel, and the short sides of the cross section of the second end of the second vertical keel are respectively flush with the inner edge and the outer edge of the transverse edge of the earthworm keel;

the long side on the cross section of the first end of the third vertical keel is abutted with the short side of the other side on the cross section of the first end of the first vertical keel, and the long side on the cross section of the second end of the third vertical keel is abutted with the short side of the same side on the cross section of the second end of the first vertical keel;

the short sides on the cross section of the first end of the third vertical keel are respectively flush with the inner edge and the outer edge of the transverse edge of the ceiling keel, and the short sides on the cross section of the second end of the third vertical keel are respectively flush with the inner edge and the outer edge of the transverse edge of the earthworm keel.

6. The keel composite prefabricated wallboard of claim 1, wherein a plurality of first preset threaded holes are respectively formed in the decorative plate, the thermal insulation plate and the keel frame, and connecting screws are respectively arranged in the plurality of first preset threaded holes.

7. The composite precast wall panel of claim 1, wherein the keel frame is made of light steel.

8. The composite prefabricated wall panel according to claim 1, wherein the decorative board is oriented strand board and the insulating board is extruded polystyrene insulating board.

9. A prefabricated wall panel system comprising at least: the first keel type composite prefabricated wallboard, the second keel type composite prefabricated wallboard, a connecting sheet and two connecting screws, wherein the first keel type composite prefabricated wallboard and the second keel type composite prefabricated wallboard are the keel type composite prefabricated wallboards according to any one of claims 1 to 8 respectively;

the left side and/or the right side of the front side of the ceiling joist of the joist frame of the first joist type composite prefabricated wall board and the second joist type composite prefabricated wall board and/or the left side and/or the right side of the rear side of the ceiling joist are respectively provided with a second preset threaded hole; and/or

The left side and/or the right side of the front side of the earthworm bone of the keel frame of the first keel type composite prefabricated wall board and the second keel type composite prefabricated wall board and/or the left side and/or the right side of the rear side of the ground keel are respectively provided with a third preset threaded hole;

at least two connecting holes are formed in the connecting sheet;

the connecting screws respectively penetrate through the connecting holes on the connecting sheets and are in threaded connection with the first keel type composite prefabricated wallboard and the second preset threaded holes or the third threaded holes on the second keel type composite prefabricated wallboard.

10. The prefabricated wall panel system according to claim 9, wherein said connection screws are threaded through connection holes on four of said connection tabs with second predetermined threaded holes on the front and rear sides on the ceiling runners of said first and second composite prefabricated wall panels, and third predetermined threaded holes on the front and rear sides on the ground runners, respectively.