A mortise and tenon type rapid installation prefabricated wall system and its installation method

Abstract

The present invention provides a mortise-and-tenon type rapid installation prefabricated wall system and an installation method thereof, belonging to the technical field of wall installation. The mortise-and-tenon type rapid installation prefabricated wall system includes an internal corner connecting piece, an external corner connecting piece, a flat joint connecting piece, two internal corner wall panels, and two external corner wall panels. In the present invention, both ends of an internal corner connecting plate are adhesively bonded to a first internal corner connection groove of a first internal corner wall panel and a second internal corner connection groove of a second internal corner wall panel respectively, and both ends of a flat joint connecting plate are adhesively bonded to the first internal corner connection groove of the second internal corner wall panel and a second external corner connection groove of a first external corner wall panel respectively, improving the connection stability between the flat joint and the internal corner wall panel and the external corner wall panel respectively. Both ends of an external corner connecting plate are adhesively bonded to a first external corner connection groove of a first external corner wall panel and a first external corner connection groove of a second external corner wall panel respectively, improving the connection stability between the external corner connecting piece and the two external corner wall panels respectively. The structure is simple and the installation efficiency is relatively high.

Description

Technical Field

[0001] The present invention relates to the technical field of wall installation, and particularly relates to a mortise and tenon type quick installation prefabricated wall system and an installation method thereof. Background Art

[0002] With the update of policies and the proposal and solution of the dual-carbon issue, prefabricated decoration is accelerating its entry into the market. The places involved are no longer limited to the construction of hotels, hospitals, large venues, etc., and prefabricated decoration will also be further promoted in residential decoration. In the existing prefabricated decoration, at the external wall corner, an external corner piece is respectively inserted into two adjacent wall panels, at the internal wall corner, an internal corner piece is respectively inserted into two adjacent wall panels, and at the flat joint of the wall, a flat joint piece is respectively inserted into two adjacent wall panels. However, the external corner piece, internal corner piece, and flat joint piece are only inserted into the wall panels, and the wall panels are prone to separation from the external corner piece, internal corner piece, and flat joint piece, resulting in poor connection stability. Summary of the Invention

[0003] The purpose of the present invention is to propose a mortise and tenon type quick installation prefabricated wall system and an installation method thereof in view of the above-mentioned deficiencies of the prior art.

[0004] The present invention proposes a mortise and tenon type quick installation prefabricated wall system, which includes an internal corner connector, an external corner connector, a flat joint connector, two internal corner wall panels, and two external corner wall panels. The internal corner wall panel includes a first internal corner connection groove provided at one end and a second internal corner connection groove provided at the other end. The external corner wall panel includes a first external corner connection groove provided at one end and a second external corner connection groove provided at the other end. The internal corner connector includes an internal corner connection plate, the external corner connector includes an external corner connection plate, and the flat joint connector includes a flat joint connection plate. Two ends of one internal corner connection plate are respectively bonded to the first internal corner connection groove of the first internal corner wall panel and the second internal corner connection groove of the second internal corner wall panel. Two ends of one flat joint connection plate are respectively bonded to the first internal corner connection groove of the second internal corner wall panel and the second external corner connection groove of the first external corner wall panel. Two ends of the external corner connection plate of one external corner connector are respectively bonded to the first external corner connection groove of the first external corner wall panel and the first external corner connection groove of the second external corner wall panel.

[0005] Further, the internal corner wall panel further includes a first internal corner side portion and a second internal corner side portion adjacent to the first internal corner side portion. The first internal corner connecting groove is disposed on the first internal corner side portion, and the second internal corner connecting groove is disposed on the second internal corner side portion. The internal corner connecting member further includes a first internal corner slit-limiting plate having one end connected to the middle of the internal corner connecting plate. The external corner wall panel further includes a first external corner side portion and a second external corner side portion opposite to the first external corner side portion. The first external corner connecting groove is disposed on the first external corner side portion, and the second external corner connecting groove is disposed on the second external corner side portion. The external corner connecting member further includes a first external corner slit-limiting plate having one end connected to the middle of the external corner connecting plate. The butt-joint connecting member further includes a first butt-joint slit-limiting plate having one end connected to the middle of the butt-joint connecting plate. The first internal corner side portion of the first internal corner wall panel and the second internal corner side portion of the second internal corner wall panel respectively abut against two side surfaces of the first internal corner slit-limiting plate of an internal corner connecting member. The first internal corner side portion of the second internal corner wall panel and the second external corner side portion of the first external corner wall panel respectively abut against two side surfaces of the first butt-joint slit-limiting plate of a butt-joint connecting member. The first external corner side portion of the first external corner wall panel and the first external corner side portion of the second external corner wall panel respectively abut against two side surfaces of the first external corner slit-limiting plate of an external corner connecting member.

[0006] Further, the internal corner connecting member further includes a second internal corner slit-limiting plate parallel to the first internal corner slit-limiting plate. The second internal corner slit-limiting plate and the first internal corner slit-limiting plate are respectively connected to the middle portions of two opposite side surfaces of the internal corner connecting plate. The first internal corner side portion of the first internal corner wall panel and the second internal corner side portion of the second internal corner wall panel respectively abut against two side surfaces of the second internal corner slit-limiting plate.

[0007] Further, the butt-joint connecting member further includes a second butt-joint slit-limiting plate parallel to the first butt-joint slit-limiting plate. The second butt-joint slit-limiting plate and the first butt-joint slit-limiting plate are respectively connected to the middle portions of two opposite side surfaces of the butt-joint connecting plate. The first internal corner side portion of the second internal corner wall panel and the second external corner side portion of the first external corner wall panel respectively abut against two side surfaces of the second butt-joint slit-limiting plate.

[0008] Further, the external corner connecting member further includes a second external corner slit-limiting plate parallel to the first external corner slit-limiting plate. The second external corner slit-limiting plate and the first external corner slit-limiting plate are respectively connected to the middle portions of two opposite side surfaces of the external corner connecting plate. The first external corner side portion of the first external corner wall panel and the first external corner side portion of the second external corner wall panel respectively abut against two side surfaces of the second external corner slit-limiting plate.

[0009] Further, the internal corner wall panel further includes a third internal corner side portion disposed opposite to the first internal corner side portion, and a fourth internal corner side portion disposed opposite to the second internal corner side portion. The internal corner connecting member further includes a first internal corner baffle plate, a second internal corner baffle plate connected to one end of the first internal corner gap-limiting plate away from the internal corner connecting plate, a third internal corner baffle plate with two ends respectively connected to the first internal corner baffle plate and the second internal corner baffle plate, a first fastening structure for fixedly connecting the first internal corner baffle plate and the second internal corner wall panel, and a second fastening structure for fixedly connecting the second internal corner baffle plate and the first internal corner wall panel. The first internal corner baffle plate abuts against the fourth internal corner side portion of the second internal corner wall panel, the second internal corner baffle plate abuts against the fourth internal corner side portion of the first internal corner wall panel, and the third internal corner baffle plate abuts against the third internal corner side portion of the second internal corner wall panel.

[0010] Further, the external corner wall panel further includes a third external corner side portion respectively connected to the first external corner side portion and the second external corner side portion. The butt-joint connecting member further includes a butt-joint baffle plate with its middle portion connected to one end of the first butt-joint gap-limiting plate away from the butt-joint connecting plate, and a third fastening structure for fixedly connecting the butt-joint baffle plate and the first external corner wall panel. The butt-joint baffle plate respectively abuts against the fourth internal corner side portion of the second internal corner wall panel and the third external corner side portion of the first external corner wall panel.

[0011] Further, the external corner connecting member further includes a first external corner baffle plate and a second external corner baffle plate respectively connected to one end of the first external corner gap-limiting plate away from the external corner connecting plate, a fourth fastening structure for fixedly connecting the first external corner baffle plate and the first external corner wall panel, and a fifth fastening structure for fixedly connecting the second external corner baffle plate and the second external corner wall panel. The first external corner baffle plate abuts against the third external corner side portion of the first external corner wall panel, and the second external corner baffle plate abuts against the third external corner side portion of the second external corner wall panel.

[0012] Further, it further includes a flush joint wall panel. The flush joint wall panel includes a first flush joint side portion having the same shape as the first inner corner side portion, a second flush joint side portion having the same shape as the second outer corner side portion, a third flush joint side portion respectively connected to the first flush joint side portion and the second flush joint side portion, a first flush joint connecting groove provided on the first flush joint side portion and having the same shape as the first inner corner connecting groove, and a second flush joint connecting groove provided on the second flush joint side portion and having the same shape as the second outer corner connecting groove. Two ends of the flush joint connecting plate of a flush joint connecting member are respectively bonded to the first flush joint connecting groove of the first flush joint wall panel and the second flush joint connecting groove of the second flush joint wall panel. One side surface of the first flush joint gap-limiting plate and one side surface of the second flush joint gap-limiting plate respectively abut against the second flush joint side portion of the first flush joint wall panel. The other side surface of the first flush joint gap-limiting plate and the other side surface of the second flush joint gap-limiting plate respectively abut against the first flush joint side portion of the second flush joint wall panel. The flush joint baffle respectively abuts against the third flush joint side portion of the first flush joint wall panel and the third flush joint side portion of the second flush joint wall panel. The third fastening structure is used to fixedly connect the flush joint baffle and the second flush joint wall panel.

[0013] An installation method of a mortise and tenon type quick-installation prefabricated wall system includes the following steps:

[0014] S1: Apply glue on the inner corner connecting plate of an inner corner connecting member, and at the wall inner corner, respectively bond two ends of the inner corner connecting plate of the inner corner connecting member to the first inner corner connecting groove of the first inner corner wall panel and the second inner corner connecting groove of the second inner corner wall panel;

[0015] S2: Apply glue on the flush joint connecting plate of a flush joint connecting member, and at the wall flush joint, respectively insert two ends of the flush joint connecting plate of a flush joint connecting member into the first inner corner connecting groove of the second inner corner wall panel and the second outer corner connecting groove of the first outer corner wall panel;

[0016] S3: Apply glue on the outer corner connecting plate of an outer corner connecting member, and at the wall outer corner, respectively insert two ends of the outer corner connecting plate of an outer corner connecting member into the first outer corner connecting groove of the first outer corner wall panel and the first outer corner connecting groove of the second outer corner wall panel.

[0017] The mortise and tenon type quick-installation prefabricated wall system and its installation method of the present invention have the following beneficial effects:

[0018] 1. The two ends of an internal corner connecting plate are respectively bonded to the first internal corner connecting groove of the first internal corner wall panel and the second internal corner connecting groove of the second internal corner wall panel, improving the connection stability between the internal corner part and the two internal corner wall panels. The two ends of a butt joint connecting plate are respectively bonded to the first internal corner connecting groove of the second internal corner wall panel and the second external corner connecting groove of the first external corner wall panel, improving the connection stability between the butt joint part and the internal corner wall panel and the external corner wall panel. The two ends of an external corner connecting plate are respectively bonded to the first external corner connecting groove of the first external corner wall panel and the first external corner connecting groove of the second external corner wall panel, improving the connection stability between the external corner connecting part and the two external corner wall panels. The structure is simple and the installation efficiency is relatively high.

[0019] 2. The first internal corner joint limiting plate can limit the joint of the wall panels at the internal corner of the wall surface, and at the same time limit the internal corner connecting plate when the internal corner connecting plate is respectively bonded to the first internal corner connecting groove of the first internal corner wall panel and the second internal corner connecting groove of the second internal corner wall panel. The first butt joint limiting plate can limit the joint of the wall panels at the butt joint of the wall surface, and at the same time limit the butt joint connecting plate when the butt joint connecting plate is respectively bonded to the first internal corner connecting groove of the second internal corner wall panel and the second external corner connecting groove of the first external corner wall panel. The first external corner limiting plate can limit the joint of the wall panels at the external corner of the wall surface, and at the same time limit the external corner connecting plate when the external corner connecting plate is respectively bonded to the first external corner connecting groove of the first external corner wall panel and the first external corner connecting groove of the second external corner wall panel, thereby respectively improving the installation efficiency at the external corner, internal corner and butt joint of the wall surface.

[0020] 3. The second internal corner joint limiting plate can limit the joint of the wall panels at the internal corner of the wall surface, and at the same time can enhance the strength of the first internal corner joint limiting plate. The second butt joint limiting plate can limit the joint of the wall panels at the butt joint of the wall surface, and at the same time can enhance the strength of the first butt joint limiting plate. The second external corner joint plate can limit the joint of the wall panels at the external corner of the wall surface, and at the same time can enhance the strength of the first external corner limiting plate, improving the overall installation stability of the device.

[0021] 4. The first fastening structure fixedly connects the first internal corner baffle and the second internal corner wall panel. The second fastening structure fixedly connects the second internal corner baffle and the first internal corner wall panel, improving the connection stability between the internal corner connecting part and the two internal corner wall panels. The third fastening structure fixedly connects the butt joint baffle and the first external corner wall panel, improving the connection stability between the butt joint connecting part and one external corner wall panel. The fourth fastening structure fixedly connects the first external corner baffle and the first external corner wall panel, and the fifth fastening structure fixedly connects the second external corner baffle and the second external corner wall panel, improving the connection stability between the external corner connecting part and the two external corner wall panels, improving the overall installation stability of the device.

[0022] 5. The first flush joint connecting groove and the first internal corner connecting groove have the same shape, and the second flush joint connecting groove and the second external corner connecting groove have the same shape. At the flush joint of the wall surface, the two ends of a flush joint connecting plate are respectively bonded to the first flush joint connecting groove of the first flush joint wall panel and the second flush joint connecting groove of the second flush joint wall panel. The third fastening structure is used to fixedly connect the flush joint baffle and the second flush joint wall panel, improving the connection stability between the flush joint connector and the two flush joint wall panels and enhancing the installation efficiency at the flush joint of the wall surface. Description of the Drawings

[0023] The drawings incorporated herein and constituting a part of this specification illustrate embodiments of the present invention and, together with the description, are used to explain the principles of the present invention. In these drawings, like reference numerals are used to represent like elements. The drawings in the following description are some embodiments of the present invention, not all embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0024] Figure 1 It is a schematic structural diagram of the mortise and tenon type quick-installation prefabricated wall system and its installation method according to an embodiment of the present invention;

[0025] Figure 2 It is a partial schematic structural diagram of the two ends of the internal corner connector of the mortise and tenon type quick-installation prefabricated wall system and its installation method according to an embodiment of the present invention, where the two ends of the internal corner connector are respectively connected to adjacent two internal corner wall panels;

[0026] Figure 3 It is a schematic structural diagram of the internal corner wall panel of the mortise and tenon type quick-installation prefabricated wall system and its installation method according to an embodiment of the present invention;

[0027] Figure 4 It is a schematic structural diagram of the internal corner connector of the mortise and tenon type quick-installation prefabricated wall system and its installation method according to an embodiment of the present invention;

[0028] Figure 5 It is a partial schematic structural diagram of the flush joint connector of the mortise and tenon type quick-installation prefabricated wall system and its installation method according to an embodiment of the present invention, where the two ends of the flush joint connector are respectively connected to the internal corner wall panel and the external corner wall panel;

[0029] Figure 6 It is a schematic structural diagram of the external corner wall panel of the mortise and tenon type quick-installation prefabricated wall system and its installation method according to an embodiment of the present invention;

[0030] Figure 7 It is a schematic structural diagram of the flush joint connector of the mortise and tenon type quick-installation prefabricated wall system and its installation method according to an embodiment of the present invention;

[0031] Figure 8Partial structural schematic diagram when both ends of the external corner connector in the mortise-and-tenon type quick-installation prefabricated wall system and its installation method according to the embodiment of the present invention are respectively connected to two adjacent external corner wall panels;

[0032] Figure 9 Structural schematic diagram of the external corner connector in the mortise-and-tenon type quick-installation prefabricated wall system and its installation method according to the embodiment of the present invention;

[0033] Figure 10 Partial structural schematic diagram when both ends of the flat joint connector in the mortise-and-tenon type quick-installation prefabricated wall system and its installation method according to the embodiment of the present invention are respectively connected to two adjacent flat joint wall panels;

[0034] Figure 11 Structural schematic diagram of the flat joint wall panel in the mortise-and-tenon type quick-installation prefabricated wall system and its installation method according to the embodiment of the present invention.

[0035] In the figure: 1 - internal corner wall panel, 11 - first internal corner side part, 111 - first internal corner connection groove, 12 - second internal corner side part, 121 - second internal corner connection groove, 13 - third internal corner side part, 14 - fourth internal corner side part, 2 - external corner wall panel, 21 - first external corner side part, 211 - first external corner connection groove, 22 - second external corner side part, 221 - second external corner connection groove, 23 - third external corner side part, 3 - internal corner connector, 31 - internal corner connection plate, 32 - first internal corner gap-limiting plate, 33 - second internal corner gap-limiting plate, 34 - first internal corner baffle, 35 - second internal corner baffle, 36 - third internal corner baffle, 37 - first fastening structure, 38 - second fastening structure, 4 - flat joint connector, 41 - flat joint connection plate, 42 - first flat joint gap-limiting plate, 43 - second flat joint gap-limiting plate, 44 - flat joint baffle, 45 - third fastening structure, 5 - external corner connector, 51 - external corner connection plate, 52 - first external corner gap-limiting plate, 53 - second external corner gap-limiting plate, 54 - first external corner baffle, 55 - second external corner baffle, 56 - fourth fastening structure, 57 - fifth fastening structure, 6 - flat joint wall panel, 61 - first flat joint side part, 611 - first flat joint connection groove, 62 - second flat joint side part, 621 - second flat joint connection groove, 63 - third flat joint side part. Detailed implementation manners

[0036] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other arbitrarily.

[0037] Please refer to Figures 1 to 11 . A mortise and tenon type quick-installation prefabricated wall system according to an embodiment of the present invention includes an internal corner connector 3, an external corner connector 5, a flat joint connector 4, two internal corner wall panels 1, and two external corner wall panels 2. The internal corner wall panel 1 includes a first internal corner connection groove 111 provided at one end and a second internal corner connection groove 121 provided at the other end. The external corner wall panel 2 includes a first external corner connection groove 211 provided at one end and a second external corner connection groove 221 provided at the other end. The internal corner connector 3 includes an internal corner connection plate 31, the external corner connector 5 includes an external corner connection plate 51, and the flat joint connector 4 includes a flat joint connection plate 41. Both ends of one internal corner connection plate 31 are adhesively bonded to the first internal corner connection groove 111 of the first internal corner wall panel 1 and the second internal corner connection groove 121 of the second internal corner wall panel 1 respectively. Both ends of one flat joint connection plate 41 are adhesively bonded to the first internal corner connection groove 111 of the second internal corner wall panel 1 and the second external corner connection groove 221 of the first external corner wall panel 2 respectively. Both ends of the external corner connection plate 51 of one external corner connector 5 are adhesively bonded to the first external corner connection groove 211 of the first external corner wall panel 2 and the first external corner connection groove 211 of the second external corner wall panel 2 respectively.

[0038] Here, apply structural adhesive on the inside corner connecting plate 31 of an inside corner connector 3, and insert the two ends of the inside corner connecting plate 31 into the first inside corner connecting groove 111 of the first inside corner wall panel 1 and the second inside corner connecting groove 121 of the second inside corner wall panel 1 respectively, thus realizing bonding the two ends of the inside corner connecting plate 31 to the first inside corner connecting groove 111 of the first inside corner wall panel 1 and the second inside corner connecting groove 121 of the second inside corner wall panel 1 respectively. Apply structural adhesive on the flat connecting plate 41 of a flat connector 4, and insert the two ends of the flat connecting plate 41 into the first inside corner connecting groove 111 of the second inside corner wall panel 1 and the second outside corner connecting groove 221 of the first outside corner wall panel 2 respectively, thus realizing bonding the two ends of the flat connecting plate 41 to the first inside corner connecting groove 111 of the second inside corner wall panel 1 and the second outside corner connecting groove 221 of the first outside corner wall panel 2 respectively. Apply structural adhesive on the grid of the outside corner connecting plate 51 of an outside corner connector 5, and insert the two ends of the outside corner connecting plate 51 of the outside corner connector 5 into the first outside corner connecting groove 211 of the first outside corner wall panel 2 and the first outside corner connecting groove 211 of the second outside corner wall panel 2 respectively, thus realizing bonding the two ends of the outside corner connecting plate 51 to the first outside corner connecting groove 211 of the first outside corner wall panel 2 and the first outside corner connecting groove 211 of the second outside corner wall panel 2 respectively. The structure is simple and the installation efficiency is relatively high. The inside corner connector 3, the flat connector 4, the outside corner connector 5 and the wall panels are bonded and fixed respectively, improving the connection stability of the entire wall system, and can be used to solve the problems of low installation efficiency of the existing prefabricated wall and partial deformation of the wall during the installation process.

[0039] The internal corner wall panel 1 may further include a first internal corner side portion 11 and a second internal corner side portion 12 adjacent to the first internal corner side portion 11. The first internal corner connecting groove 111 is provided on the first internal corner side portion 11, and the second internal corner connecting groove 121 is provided on the second internal corner side portion 12. The internal corner connecting member 3 further includes a first internal corner gap-limiting plate 32 connected to the middle of the internal corner connecting plate 31 at one end. The external corner wall panel 2 further includes a first external corner side portion 21 and a second external corner side portion 22 opposite to the first external corner side portion 21. The first external corner connecting groove 211 is provided on the first external corner side portion 21, and the second external corner connecting groove 221 is provided on the second external corner side portion 22. The external corner connecting member 5 further includes a first external corner gap-limiting plate 52 connected to the middle of the external corner connecting plate 51 at one end. The butt-joint connecting member 4 further includes a first butt-joint gap-limiting plate 42 connected to the middle of the butt-joint connecting plate 41 at one end; the first internal corner side portion 11 of the first internal corner wall panel 1 and the second internal corner side portion 12 of the second internal corner wall panel 1 respectively abut against the two side surfaces of the first internal corner gap-limiting plate 32 of an internal corner connecting member 3; the first internal corner side portion 11 of the second internal corner wall panel 1 and the second external corner side portion 22 of the first external corner wall panel 2 respectively abut against the two side surfaces of the first butt-joint gap-limiting plate 42 of a butt-joint connecting member 4; the first external corner side portion 21 of the first external corner wall panel 2 and the first external corner side portion 21 of the second external corner wall panel 2 respectively abut against the two side surfaces of the first external corner gap-limiting plate 52 of an external corner connecting member 5.

[0040] Specifically, the internal corner wall panel 1 is a rectangular plate. The first internal corner side portion 11 is provided on the left side of the internal corner wall panel 1, and the second internal corner side portion 12 is provided on the rear side of the internal corner wall panel 1. The second internal corner side portion 12 is connected to the first internal corner side portion 11, and the second internal corner side portion 12 is perpendicular to the first internal corner side portion 11. The first internal corner wall panel 1 is perpendicular to the second internal corner wall panel 1, and the first internal corner side portion 11 of the first internal corner wall panel 1 is parallel to the second internal corner side portion 12 of the second internal corner wall panel 1. Both the first internal corner connecting groove 111 and the second internal corner connecting groove 121 are rectangular grooves, and the axes of the first internal corner connecting groove 111 and the second internal corner connecting groove 121 are the same. The internal corner connecting plate 31 may be a rectangular plate. One part of the internal corner connecting plate 31 is inserted into the first internal corner connecting groove of the first internal corner wall panel 1, and the other part is inserted into the second internal corner connecting groove 121 of the second internal corner wall panel 1. The first internal corner gap-limiting plate 32 is vertically connected to the internal corner connecting plate 31, so that the first internal corner side portion 11 of the first internal corner wall panel 1 and the second internal corner side portion 12 of the second internal corner wall panel 1 are respectively parallel to the first internal corner gap-limiting plate 32. Insert one end of the internal corner connecting plate 31 of an internal corner connecting member 3 into the first internal corner connecting groove 111 of the first internal corner wall panel 1, and make the first internal corner side portion 11 of the first internal corner wall panel 1 abut against one side surface of the first internal corner gap-limiting plate 32. Insert the second internal corner connecting groove 121 of the second internal corner wall panel 1 into the other end of the internal corner connecting plate 31 of this internal corner connecting member 3, and make the second internal corner side portion 12 of the second internal corner wall panel 1 abut against the other side surface of the first internal corner gap-limiting plate 32.

[0041] Specifically, the first external corner side portion 21 of the external corner wall panel 2 is an inclined surface, and the second external corner side portion 22 is a rectangle. The first external corner side portion 21 is disposed on the left side of the external corner wall panel 2, and the second external corner side portion 22 is disposed on the right side of the external corner wall panel 2. The width of the second external corner side portion 22 is equal to the width of the first internal corner side portion 11, and the second external corner side portion 22 of the second external corner wall panel 2 is parallel to the first internal corner side portion 11 of the second internal corner wall panel 1. Both the first external corner connection groove 211 and the second external corner connection groove 221 are rectangular grooves. The first flat joint limiting plate 42 is perpendicular to the flat joint connecting plate 41. When there are only the second internal corner wall panel 1 and the first external corner wall panel 2 at the wall surface flat joint, one end of the flat joint connecting plate 41 of a flat joint connector 4 is inserted into the first internal corner connection groove 111 of the second internal corner wall panel 1, and the first internal corner side portion 11 of the second internal corner wall panel 1 is abutted against one side surface of the first flat joint limiting plate 42. The second external corner connection groove 221 of the first external corner wall panel 2 is inserted into the other end of the flat joint connecting plate 41 of this flat joint connector 4, and the second external corner side portion 22 of the first external corner wall panel 2 is abutted against the other side surface of the first flat joint limiting plate 42. The first external corner limiting plate 52 is perpendicular to the external corner connecting plate 51. One end of the external corner connecting plate 51 of an external corner connector 5 is inserted into the first external corner connection groove 211 of the first external corner wall panel 2, and the first external corner side portion 21 of the first external corner wall panel 2 is abutted against one side surface of the first external corner limiting plate 52. The first external corner connection groove 211 of the second external corner wall panel 2 is inserted into the other end of the external corner connecting plate 51 of this external corner connector 5, and the first external corner side portion 21 of the second external corner wall panel 2 is abutted against the other side surface of the first external corner limiting plate 52.

[0042] Specifically, the first external corner side portion 21 of the external corner wall panel 2 is an inclined surface of 45 degrees, so that the first external corner side portion 21 of the first external corner wall panel 2 and the second external corner side portion cooperate with each other.

[0043] The internal corner connector 3 may further include a second internal corner limiting plate 33 parallel to the first internal corner limiting plate 32 for enhancing the strength of the first internal corner limiting plate 32. The second internal corner limiting plate 33 and the first internal corner limiting plate 32 are respectively connected to the middle portions of the two opposite side surfaces of the internal corner connecting plate 31. The first internal corner side portion 11 of the first internal corner wall panel 1 and the second internal corner side portion 12 of the second internal corner wall panel 1 are respectively abutted against the two side surfaces of the second internal corner limiting plate 33.

[0044] Specifically, the axis of the second internal-corner limiting seam plate 33 can coincide with the axis of the first internal-corner limiting seam plate 32, and the shape of the second internal-corner limiting seam plate 33 is the same as that of the first internal-corner limiting seam plate 32. The first internal-corner side portion 11 of the first internal-corner wall panel 1 and the second internal-corner side portion 12 of the second internal-corner wall panel 1 respectively abut against the two side surfaces of the first internal-corner limiting seam plate 32 and the second internal-corner limiting seam plate 33. The first internal-corner limiting seam plate 32 and the second internal-corner limiting seam plate 33 jointly act to limit the joint between two adjacent internal-corner wall panels 1. The second internal-corner limiting seam plate 33 can bear part of the extrusion pressure on the two internal-corner wall panels 1, thereby reducing the pressure applied to the first internal-corner limiting seam plate 32 and indirectly improving the strength of the first internal-corner limiting seam plate 32.

[0045] The flat joint connector 4 may further include a second flat joint limiting seam plate 43 parallel to the first flat joint limiting seam plate 42 for enhancing the strength of the first flat joint limiting seam plate 42. The second flat joint limiting seam plate 43 and the first flat joint limiting seam plate 42 are respectively connected to the middle parts of the two opposite side surfaces of the flat joint connecting plate 41. The first internal-corner side portion 11 of the second internal-corner wall panel 1 and the second external-corner side portion 22 of the first external-corner wall panel 2 respectively abut against the two side surfaces of the second flat joint limiting seam plate 43.

[0046] Specifically, the axis of the second flat joint limiting seam plate 43 can coincide with the axis of the first flat joint limiting seam plate 42, and the shape of the second flat joint limiting seam plate 43 is the same as that of the first flat joint limiting seam plate 42. The first internal-corner side portion 11 of the second internal-corner wall panel 1 and the second external-corner side portion 12 of the first external-corner wall panel 2 respectively abut against the two side surfaces of the first flat joint limiting seam plate 42 and the second flat joint limiting seam plate 43. The first flat joint limiting seam plate 42 and the second flat joint limiting seam plate 43 jointly act to limit the joint between the adjacent second internal-corner wall panel 1 and the first external-corner wall panel 2. The second flat joint limiting seam plate 43 can bear part of the extrusion pressure of the second internal-corner wall panel 1 and the first external-corner wall panel 2, thereby reducing the pressure applied to the first flat joint limiting seam plate 42 and indirectly improving the strength of the first flat joint limiting seam plate 42.

[0047] The external-corner connector 5 may further include a second external-corner limiting seam plate 53 parallel to the first external-corner limiting seam plate 52 for enhancing the strength of the first external-corner limiting seam plate 52. The second external-corner limiting seam plate 53 and the first external-corner limiting seam plate 52 are respectively connected to the middle parts of the two opposite side surfaces of the external-corner connecting plate 51. The first external-corner side portion 21 of the first external-corner wall panel 2 and the first external-corner side portion 21 of the second external-corner wall panel 2 respectively abut against the two side surfaces of the second external-corner limiting seam plate 53.

[0048] Specifically, the axis of the second external corner limiting joint plate 53 can coincide with the axis of the first external corner limiting joint plate 52. The shape of the second external corner limiting joint plate 53 is the same as that of the first external corner limiting joint plate 52. The first external corner side portion 21 of the first external corner wall panel 2 and the first external corner side portion 21 of the second external corner wall panel 2 respectively abut against the two side surfaces of the first external corner limiting joint plate 52 and the second external corner limiting joint plate 53. The first external corner limiting joint plate 52 and the second external corner limiting joint plate 53 jointly act to limit the joint between two adjacent external corner wall panels 2. The second external corner limiting joint plate 53 can bear part of the extrusion force on the two external corner wall panels 2, thereby reducing the pressure applied to the first external corner limiting joint plate 52 and indirectly improving the strength of the first external corner limiting joint plate 52.

[0049] The internal corner wall panel 1 may further include a third internal corner side portion 13 opposite to the first internal corner side portion 11 and a fourth internal corner side portion 14 opposite to the second internal corner side portion 12. The internal corner connecting member 3 further includes a first internal corner baffle 34, a second internal corner baffle 35 connected to one end of the first internal corner limiting joint plate 32 far from the internal corner connecting plate 31, a third internal corner baffle 36 with two ends respectively connected to the first internal corner baffle 34 and the second internal corner baffle 35, a first fastening structure 37 for fixedly connecting the first internal corner baffle 34 and the second internal corner wall panel 1, and a second fastening structure 38 for fixedly connecting the second internal corner baffle 35 and the first internal corner wall panel 1. The first internal corner baffle 34 abuts against the fourth internal corner side portion 14 of the second internal corner wall panel 1, the second internal corner baffle 35 abuts against the fourth internal corner side portion 14 of the first internal corner wall panel 1, and the third internal corner baffle 36 abuts against the third internal corner side portion 13 of the second internal corner wall panel 1.

[0050] Specifically, the third internal corner side portion 13 is parallel to the first internal corner side portion 11, the fourth internal corner side portion 14 is parallel to the second internal corner side portion 12. The two ends of the second internal corner side portion 12 are respectively connected to the first internal corner side portion 11 and the third internal corner side portion 13. The two ends of the fourth internal corner side portion 14 are respectively connected to the first internal corner side portion 11 and the third internal corner side portion 13. The first internal corner baffle 34 is parallel to the first internal corner limiting joint plate 32, the second internal corner baffle 35 is perpendicular to the first internal corner limiting joint plate 32, the third internal corner baffle 36 is perpendicular to the first internal corner limiting joint plate 32, and the axis of the third internal corner baffle 36 coincides with the axis of the second internal corner baffle 35. The first fastening structure 37 and the second fastening structure 38 can be screws, bolts or studs. The internal corner connecting member 3 can be an inverted L-shaped structure.

[0051] The external corner wall panel 2 may further include a third external corner side portion 23 respectively connected to the first external corner side portion 21 and the second external corner side portion 22. The flat joint connector 4 further includes a flat joint baffle 44 centrally connected to one end of the first flat joint slitting plate 42 away from the flat joint connecting plate 41, and a third fastening structure 45 for fixedly connecting the flat joint baffle 44 and the first external corner wall panel 2. The flat joint baffle 44 respectively abuts against the fourth internal corner side portion 14 of the second internal corner wall panel 1 and the third external corner side portion 23 of the first external corner wall panel 2.

[0052] Specifically, the third external corner side portion 23 is perpendicular to the second external corner side portion 22. The flat joint baffle 44 is perpendicular to the first flat joint slitting plate 42. The flat joint connector 4 may be in a T-shaped structure. It may further include a sixth fastening structure that fixedly connects the flat joint baffle 44 and the second internal corner wall panel 1. The fourth fastening structure 56, the fifth fastening structure 57, and the sixth fastening structure may all be screws, bolts or studs.

[0053] The external corner connector 5 may further include a first external corner baffle 54 and a second external corner baffle 55 respectively connected to one end of the first external corner slitting plate 52 away from the external corner connecting plate 51, a fourth fastening structure 56 for fixedly connecting the first external corner baffle 54 and the first external corner wall panel 2, and a fifth fastening structure 57 for fixedly connecting the second external corner baffle 55 and the second external corner wall panel 2. The first external corner baffle 54 abuts against the third external corner side portion 23 of the first external corner wall panel 2, and the second external corner baffle 55 abuts against the third external corner side portion 23 of the second external corner wall panel 2.

[0054] Specifically, the second external corner baffle 55 is perpendicular to the first external corner baffle 54, and the angles between the first external corner slitting plate 52 and the first external corner baffle 54 and the second external corner baffle 55 are 135 degrees respectively.

[0055] As a mortise and tenon type quick-installation prefabricated wall system in this embodiment, it may further include a flush joint wall panel 6. The flush joint wall panel 6 includes a first flush joint side portion 61 having the same shape as the first inner corner side portion 11, a second flush joint side portion 62 having the same shape as the second outer corner side portion 22, a third flush joint side portion 63 respectively connected to the first flush joint side portion 61 and the second flush joint side portion 62, a first flush joint connection groove 611 provided on the first flush joint side portion 61 and having the same shape as the first inner corner connection groove 111, a second flush joint connection groove 621 provided on the second flush joint side portion 62 and having the same shape as the second outer corner connection groove 221. One side surface of the first flush joint limiting plate 42 and one side surface of the second flush joint limiting plate 43 respectively abut against the second flush joint side portion 62 of the first flush joint wall panel 6, and the other side surface of the first flush joint limiting plate 42 and the other side surface of the second flush joint limiting plate 43 respectively abut against the first flush joint side portion 61 of the second flush joint wall panel 6. The flush joint baffle 44 respectively abuts against the third flush joint side portion 63 of the first flush joint wall panel 6 and the third flush joint side portion 63 of the second flush joint wall panel 6. The third fastening structure 45 is used to fixedly connect the flush joint baffle 44 and the second flush joint wall panel 6.

[0056] Specifically, when the length of the flush joint on the wall surface is relatively long, the flush joint on the wall surface includes multiple flush joint wall panels 6, one internal corner wall panel 1, and one external corner wall panel 2. At this time, one flush joint connector 4 can be respectively connected to two adjacent flush joint wall panels 6, or one flush joint connector 4 can be respectively connected to one internal corner wall panel 1 and one flush joint wall panel 6, or one flush joint connector 4 can be respectively connected to one external corner wall panel 2 and one flush joint wall panel 6. Both ends of the flush joint connecting plate 41 of one flush joint connector 4 are adhesively bonded to the first flush joint connecting groove 611 of the first flush joint wall panel 6 and the second flush joint connecting groove 621 of the second flush joint wall panel 6. One side surface of the first flush joint gap-limiting plate 42 and one side surface of the second flush joint gap-limiting plate 43 are respectively abutted against the second flush joint side part 62 of the first flush joint wall panel 6. The other side surface of the first flush joint gap-limiting plate 42 and the other side surface of the second flush joint gap-limiting plate 43 are respectively abutted against the first flush joint side part 61 of the second flush joint wall panel 6. The flush joint baffle 44 of one flush joint connector 4 is respectively abutted against the third flush joint side part 63 of the first flush joint wall panel 6 and the second flush joint wall panel 6. The third fastening structure 45 is used to fixedly connect the flush joint baffle 44 and the second flush joint wall panel 6, and the sixth fastening structure is used to fixedly connect the flush joint baffle 44 and the first flush joint wall panel 6. Both ends of the flush joint connecting plate 41 of one flush joint connector 4 are adhesively bonded to the second flush joint connecting groove 621 of one flush joint wall panel 6 and the first internal corner connecting groove 111 of one internal corner wall panel 1. One side surface of the first flush joint gap-limiting plate 42 and one side surface of the second flush joint gap-limiting plate 43 of this flush joint connector 4 are respectively abutted against the second flush joint side part 62 of the flush joint wall panel 6. The other side surface of the first flush joint gap-limiting plate 42 and the other side surface of the second flush joint gap-limiting plate 43 of this flush joint connector 4 are respectively abutted against the first internal corner side part 11 of the internal corner wall panel 1. The flush joint baffle 44 is respectively abutted against the third flush joint side part 63 of the flush joint wall panel 6 and the fourth internal corner side part 14 of the internal corner wall panel 1. The third fastening structure 45 is used to fixedly connect the flush joint baffle 44 and the flush joint wall panel 6, and the sixth fastening structure is used to fixedly connect the flush joint baffle 44 and the flush joint wall panel 6. Both ends of the flush joint connecting plate 41 of one flush joint connector 4 are adhesively bonded to the second external corner connecting groove 221 of one external corner wall panel 2 and the first flush joint connecting groove 611 of one flush joint wall panel 6. One side surface of the first flush joint gap-limiting plate 42 and one side surface of the second flush joint gap-limiting plate 43 of this flush joint connector 4 are respectively abutted against the second external corner side part 22 of the external corner wall panel 2. The other side surface of the first flush joint gap-limiting plate 42 and the other side surface of the second flush joint gap-limiting plate 43 of this flush joint connector 4 are respectively abutted against the first flush joint side part 61 of the flush joint wall panel 6. The flush joint baffle 44 is respectively abutted against the third flush joint side part 63 of the flush joint wall panel 6 and the third internal corner side part 13 of the external corner wall panel 2. The third fastening structure 45 is used to fixedly connect the flush joint baffle 44 and the external corner wall panel 2, and the sixth fastening structure is used to fixedly connect the flush joint baffle 44 and the flush joint wall panel 6.

[0057] Specifically, when the first inner-corner wall panel 1 and the second outer-corner wall panel 2 are respectively located at the ends of the wall surface installation, the second inner-corner side portion 12 of the first inner-corner wall panel 1 may not be provided with a second inner-corner connection groove 121, and the second outer-corner side portion 22 of the second outer-corner wall panel 2 may not be provided with a second outer-corner connection groove 221. The shape of the second outer-corner connection groove 221 on the outer-corner wall panel 2 is the same as the shape of the first inner-corner connection groove 111 on the inner-corner wall panel 1. The second outer-corner connection groove 221 and the first inner-corner connection groove 111 respectively connected to the same flat connection member 4 can be symmetrically arranged, and the first flat connection groove 611 and the second flat connection groove 621 on a flat connection wall panel 6 can be symmetrically arranged.

[0058] An installation method of a mortise and tenon type quick-installation prefabricated wall system includes the following steps:

[0059] S1: Apply glue on the inner-corner connection plate 31 of an inner-corner connection member 3, and bond the two ends of the inner-corner connection plate 31 of the inner-corner connection member 3 to the first inner-corner connection groove 111 of the first inner-corner wall panel 1 and the second inner-corner connection groove 121 of the second inner-corner wall panel 1 respectively at the inner corner of the wall surface.

[0060] S2: Apply glue on the flat connection plate 41 of a flat connection member 4, and insert the two ends of the flat connection plate 41 of a flat connection member 4 into the first inner-corner connection groove 111 of the second inner-corner wall panel 1 and the second outer-corner connection groove 221 of the first outer-corner wall panel 2 respectively at the flat joint of the wall surface.

[0061] S3: Apply glue on the outer-corner connection plate 51 of an outer-corner connection member 5, and insert the two ends of the outer-corner connection plate 51 of an outer-corner connection member 5 into the first outer-corner connection groove 211 of the first outer-corner wall panel 2 and the first outer-corner connection groove 211 of the second outer-corner wall panel 2 respectively at the outer corner of the wall surface.

[0062] Here, the installation at the interior corner of the wall: First, apply structural adhesive on the interior corner connecting plate 31, the first interior corner baffle 34, the second interior corner baffle 35, and the third interior corner baffle 36 of the interior corner connector 3. Install it using the first interior corner connecting groove 111 of the first interior corner wall panel 1 and the interior corner connecting plate 31. The first interior corner connecting groove 111 and the interior corner connecting plate 31 are used for limiting and leveling. Fix the first interior corner wall panel 1 and the interior corner connector 3 with screws. Then align the second interior corner connecting groove 121 of the second interior corner wall panel 1 with the interior corner connecting plate 31, and use the first interior corner joint limiting plate 32 and the second interior corner joint limiting plate 33 to complete the limiting of the wall joint. After positioning, fix the interior corner connector 3 and the second interior corner wall panel 1 with screws. Finally, install the completed interior corner as a whole in the appropriate position. The installation at the exterior corner of the wall: First, apply structural adhesive on the exterior corner connecting plate 51, the first exterior corner joint limiting plate 52, the second exterior corner joint limiting plate 53, the first exterior corner baffle 54, and the second exterior corner baffle 55 of the exterior corner connector 5. Align the exterior corner connecting plate 51 with the first exterior corner connecting groove 211 on the first exterior corner wall panel 2, and align the 45-degree cut edges of the first exterior corner wall panel 2 with the first exterior corner joint limiting plate 52 and the second exterior corner joint limiting plate 53 respectively to complete the positioning of the exterior corner connector 5 and the exterior corner wall panel 2. Fix the exterior corner connector 5 and the first exterior corner wall panel 2 with screws; then, in the same way, align and fasten the first exterior corner connecting groove 211 of the second exterior corner wall panel 2 with the exterior corner connecting plate 51, and align the 45-degree cut edges on the second exterior corner wall panel 2 with the first exterior corner joint limiting plate 52 and the second exterior corner joint limiting plate 53 respectively to complete the installation of the second exterior corner wall panel 2 and the exterior corner connector 5. At the same time, use the first exterior corner joint limiting plate 52 and the second exterior corner joint limiting plate 53 to complete the limiting of the wall joint, and fix the second wall panel and the exterior corner connector 5 with screws; finally, install the completed exterior corner as a whole in the appropriate position. At the butt joint of the wall, structural adhesive can be applied on the butt joint connecting plate 41, the first butt joint limiting plate 42, the second butt joint limiting plate 43, and the butt joint baffle 44 respectively. For the butt joint of the wall panels, first install the butt joint baffle 44 on one side of the butt joint connector 4 with one of the wall panels and install it in a suitable position indoors, and then install the second wall panel. Here, the second wall panel and the butt joint connector 4 are fixed with structural adhesive.

[0063] The content described above can be implemented alone or in various combinations, and these variant ways are all within the protection scope of the present invention.

[0064] It should be noted that in the description of the present application, the terms "upper end", "lower end", and "bottom end" indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this application is usually placed during use. These are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising one..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0065] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A mortise and tenon type quick installation prefabricated wall system, characterized in that: It includes an internal corner connector (3), an external corner connector (5), a butt joint connector (4), two internal corner wall panels (1), and two external corner wall panels (2). The internal corner wall panel (1) includes a first internal corner connection groove (111) provided at one end and a second internal corner connection groove (121) provided at the other end. The external corner wall panel (2) includes a first external corner connection groove (211) provided at one end and a second external corner connection groove (221) provided at the other end. The internal corner connector (3) includes an internal corner connection plate (31), the external corner connector (5) includes an external corner connection plate (51), and the butt joint connector (4) includes a butt joint connection plate (41). Both ends of one internal corner connection plate (31) are adhesively bonded to the first internal corner connection groove (111) of the first internal corner wall panel (1) and the second internal corner connection groove (121) of the second internal corner wall panel (1) respectively. Both ends of one butt joint connection plate (41) are adhesively bonded to the first internal corner connection groove (111) of the second internal corner wall panel (1) and the second external corner connection groove (221) of the first external corner wall panel (2) respectively. Both ends of the external corner connection plate (51) of one external corner connector (5) are adhesively bonded to the first external corner connection groove (211) of the first external corner wall panel (2) and the first external corner connection groove (211) of the second external corner wall panel (2) respectively. The internal corner wall panel (1) further includes a first internal corner side portion (11) and a second internal corner side portion (12) adjacent to the first internal corner side portion (11). The first internal corner connection groove (111) is provided on the first internal corner side portion (11), and the second internal corner connection groove (121) is provided on the second internal corner side portion (12). The internal corner connector (3) further includes a first internal corner gap-limiting plate (32) with one end connected to the middle of the internal corner connection plate (31). The external corner wall panel (2) further includes a first external corner side portion (21) and a second external corner side portion (22) opposite to the first external corner side portion (21). The first external corner connection groove (211) is provided on the first external corner side portion (21), and the second external corner connection groove (221) is provided on the second external corner side portion (22). The external corner connector (5) further includes a first external corner gap-limiting plate (52) with one end connected to the middle of the external corner connection plate (51). The butt joint connector (4) further includes a first butt joint gap-limiting plate (42) with one end connected to the middle of the butt joint connection plate (41). The first internal corner side portion (11) of the first internal corner wall panel (1) and the second internal corner side portion (12) of the second internal corner wall panel (1) are respectively abutted against both side surfaces of a first internal corner gap-limiting plate (32) of one internal corner connector (3). The first internal corner side portion (11) of the second internal corner wall panel (1) and the second external corner side portion (22) of the first external corner wall panel (2) are respectively abutted against both side surfaces of a first butt joint gap-limiting plate (42) of one butt joint connector (4). The first external corner side portion (21) of the first external corner wall panel (2) and the first external corner side portion (21) of the second external corner wall panel (2) are respectively abutted against both side surfaces of a first external corner gap-limiting plate (52) of one external corner connector (5).The internal corner connecting member (3) further includes a second internal corner limiting plate (33) parallel to the first internal corner limiting plate (32). The second internal corner limiting plate (33) and the first internal corner limiting plate (32) are respectively connected to the middle parts of two opposite side surfaces of the internal corner connecting plate (31). The first internal corner side part (11) of the first internal corner wall panel (1) and the second internal corner side part (12) of the second internal corner wall panel (1) respectively abut against two side surfaces of the second internal corner limiting plate (33). The butt-joint connecting member (4) further includes a second butt-joint limiting plate (43) parallel to the first butt-joint limiting plate (42). The second butt-joint limiting plate (43) and the first butt-joint limiting plate (42) are respectively connected to the middle parts of two opposite side surfaces of the butt-joint connecting plate (41). The first internal corner side part (11) of the second internal corner wall panel (1) and the second external corner side part (22) of the first external corner wall panel (2) respectively abut against two side surfaces of the second butt-joint limiting plate (43).; 2. The tenon-mortise type quickly-installed prefabricated wall surface system according to claim 1, characterized in that: The external corner connecting member (5) further includes a second external corner limiting plate (53) parallel to the first external corner limiting plate (52). The second external corner limiting plate (53) and the first external corner limiting plate (52) are respectively connected to the middle parts of two opposite side surfaces of the external corner connecting plate (51). The first external corner side part (21) of the first external corner wall panel (2) and the first external corner side part (21) of the second external corner wall panel (2) respectively abut against two side surfaces of the second external corner limiting plate (53).

3. The tenon-mortise type quickly-installed prefabricated wall surface system according to claim 1, characterized in that: The internal corner wall panel (1) further includes a third internal corner side part (13) opposite to the first internal corner side part (11) and a fourth internal corner side part (14) opposite to the second internal corner side part (12). The internal corner connecting member (3) further includes a first internal corner baffle (34), a second internal corner baffle (35) connected to one end of the first internal corner limiting plate (32) far from the internal corner connecting plate (31), a third internal corner baffle (36) with two ends respectively connected to the first internal corner baffle (34) and the second internal corner baffle (35), a first fastening structure (37) for fixedly connecting the first internal corner baffle (34) and the second internal corner wall panel (1), and a second fastening structure (38) for fixedly connecting the second internal corner baffle (35) and the first internal corner wall panel (1). The first internal corner baffle (34) abuts against the fourth internal corner side part (14) of the second internal corner wall panel (1), the second internal corner baffle (35) abuts against the fourth internal corner side part (14) of the first internal corner wall panel (1), and the third internal corner baffle (36) abuts against the third internal corner side part (13) of the second internal corner wall panel (1).

4. The tenon and mortise type quick-installation prefabricated wall system according to claim 1, characterized in that: The external corner wall panel (2) further includes a third external corner side part (23) respectively connected to the first external corner side part (21) and the second external corner side part (22). The butt-joint connecting member (4) further includes a butt-joint baffle (44) with its middle part connected to one end of the first butt-joint limiting plate (42) far from the butt-joint connecting plate (41), and a third fastening structure (45) for fixedly connecting the butt-joint baffle (44) and the first external corner wall panel (2). The butt-joint baffle (44) respectively abuts against the fourth internal corner side part (14) of the second internal corner wall panel (1) and the third external corner side part (23) of the first external corner wall panel (2).

5. The tenon and mortise type quick-installation prefabricated wall system according to claim 4, characterized in that: The external corner connecting member (5) further includes a first external corner baffle (54) and a second external corner baffle (55) respectively connected to one end of the first external corner limiting plate (52) far from the external corner connecting plate (51), a fourth fastening structure (56) for fixedly connecting the first external corner baffle (54) and the first external corner wall panel (2), and a fifth fastening structure (57) for fixedly connecting the second external corner baffle (55) and the second external corner wall panel (2). The first external corner baffle (54) abuts against the third external corner side part (23) of the first external corner wall panel (2), and the second external corner baffle (55) abuts against the third external corner side part (23) of the second external corner wall panel (2).

6. The mortise and tenon type quick-installation prefabricated wall system according to claim 4, wherein: It further includes a flush joint wall panel (6), and the flush joint wall panel (6) includes a first flush joint side portion (61) having the same shape as the first inside corner side portion (11), a second flush joint side portion (62) having the same shape as the second outside corner side portion (22), a third flush joint side portion (63) respectively connected to the first flush joint side portion (61) and the second flush joint side portion (62), a first flush joint connecting groove (611) provided on the first flush joint side portion (61) and having the same shape as the first inside corner connecting groove (111), and a second flush joint connecting groove (621) provided on the second flush joint side portion (62) and having the same shape as the second outside corner connecting groove (221). Two ends of the flush joint connecting plate (41) of a flush joint connector (4) are respectively bonded to the first flush joint connecting groove (611) of the first flush joint wall panel (6) and the second flush joint connecting groove (621) of the second flush joint wall panel (6). One side surface of the first flush joint gap limiting plate (42) and one side surface of the second flush joint gap limiting plate (43) respectively abut against the second flush joint side portion (62) of the first flush joint wall panel (6), and the other side surface of the first flush joint gap limiting plate (42) and the other side surface of the second flush joint gap limiting plate (43) respectively abut against the first flush joint side portion (61) of the second flush joint wall panel (6). The flush joint baffle (44) respectively abuts against the third flush joint side portion (63) of the first flush joint wall panel (6) and the third flush joint side portion (63) of the second flush joint wall panel (6), and the third fastening structure (45) is used to fixedly connect the flush joint baffle (44) and the second flush joint wall panel (6).

7. The installation method of a mortise and tenon type quick installation prefabricated wall system according to any one of claims 1 to 6, characterized in that, It includes the following steps: S1: Apply glue on the inside corner connecting plate (31) of an inside corner connector (3), and respectively bond two ends of the inside corner connecting plate (31) of the inside corner connector (3) to the first inside corner connecting groove (111) of the first inside corner wall panel (1) and the second inside corner connecting groove (121) of the second inside corner wall panel (1) at the wall inside corner; S2: Apply glue on the flush joint connecting plate (41) of a flush joint connector (4), and respectively insert two ends of the flush joint connecting plate (41) of a flush joint connector (4) into the first inside corner connecting groove (111) of the second inside corner wall panel (1) and the second outside corner connecting groove (221) of the first outside corner wall panel (2) at the wall flush joint; S3: Apply glue on the outside corner connecting plate (51) of an outside corner connector (5), and respectively insert two ends of the outside corner connecting plate (51) of an outside corner connector (5) into the first outside corner connecting groove (211) of the first outside corner wall panel (2) and the first outside corner connecting groove (211) of the second outside corner wall panel (2) at the wall outside corner.

Images