CN210659035U - Reentrant corner subassembly and shingle nail installation assembly - Google Patents

Abstract

The embodiment of the utility model discloses reentrant corner subassembly and shingle nail installation assembly, it includes the vertical fossil fragments of reentrant corner and reentrant corner mounting, the vertical fossil fragments of reentrant corner includes vertical board and the horizontal board of perpendicular connection, and vertical board and horizontal board are connected with two shingle nails of crossing perpendicularly respectively, the reentrant corner mounting includes front bezel, medium plate and back plate, the medium plate is connected with front bezel and back plate are perpendicular respectively, and is located between the front and back plate, the front bezel is installed on horizontal board, the back plate presss from both sides between two shingle nails of crossing perpendicularly, medium plate, back plate and vertical plate form the slot that is used for pegging graft with the plug connector. Utilize the embodiment of the utility model provides a can realize the shingle nail at the dry process installation of reentrant corner department, can simplify shingle nail installation flow, the reduction of erection time practices thrift the cost, improves the installation effectiveness.

Description

Reentrant corner subassembly and shingle nail installation assembly

Technical Field

The utility model relates to a building decoration technical field, concretely relates to reentrant corner subassembly and shingle nail installation assembly.

Background

In the existing toilet wall decoration, the original building wall is required to be subjected to waterproof treatment, so that the cost and the time are wasted.

The surface layer mainly comprises tiles and stones, and the paving mode of the tiles and the stones is mainly wet pasting. Wet-pasting is mainly achieved by cement mortar or tile adhesives. Research and development personnel are realizing the utility model discloses an in-process discovery, wet mode of pasting have that the engineering time is longer, construction professional level is higher and the quality control degree of difficulty is great, construction environment's pollution scheduling problem.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides an inside corner assembly and a wall panel installation assembly to solve the above technical problems.

An embodiment of the utility model provides an reentrant corner subassembly is provided, it includes: the utility model provides a socket for fixing the wall panel, the vertical fossil fragments of reentrant corner and reentrant corner mounting, the vertical board and the horizontal board of reentrant corner vertical connection are including vertical board and the horizontal board of perpendicular connection, vertical board and horizontal board are connected with two wall panels crossing perpendicularly respectively, the reentrant corner mounting includes front bezel, medium plate and back plate, the medium plate is connected with front bezel and back plate are perpendicular respectively, and is located between the front and back plate, the front bezel is installed on horizontal board, the back plate presss from both sides between two wall panels crossing perpendicularly, medium plate, back plate and vertical plate form the slot that is used for pegging graft with the plug connector.

Optionally, the vertical plate and the transverse plate are hollow, and the vertical plate is communicated with the hollow area of the transverse plate.

Optionally, the transverse plate is provided with a positioning groove, the front plate is provided with a positioning protrusion, and the positioning protrusion is inserted into the positioning groove.

Optionally, the fixing device further comprises a first reinforcing plate, and the first reinforcing plate is respectively vertically connected with the inner wall of the transverse plate and the groove bottom of the positioning groove.

Optionally, the vertical plate is vertically connected with the inner wall of the vertical plate.

Optionally, a waterproof rubber strip used for being connected with the wall panel is arranged on the panel where the positioning groove is located.

Optionally, still include the plug connector, be provided with horizontal picture peg and vertical picture peg on the plug connector, the plug connector is pegged graft in the slot, horizontal picture peg presss from both sides between back plate and the shingle nail, vertical picture peg presss from both sides between vertical board and shingle nail.

Optionally, the plug is hollow.

Optionally, the surface of the horizontal plate for fixing with the original wall extends in a direction away from the vertical plate to form a horizontal extending plate, and the surface of the vertical plate for fixing with the original wall extends in a direction away from the horizontal plate to form a vertical extending plate.

The embodiment of the utility model provides a still provide a shingle nail installation assembly, include as above reentrant corner subassembly.

The embodiment of the utility model provides an reentrant corner subassembly and shingle nail installation assembly is through setting up vertical fossil fragments of reentrant corner and reentrant corner mounting, can realize the connection of shingle nail in reentrant corner department, realize the dry process installation of shingle nail in reentrant corner department, shingle nail installation flow can be simplified, the reduction of erection time, the cost is saved, improve the installation effectiveness, and all parts all can be directly industrial production in the mill, the on-the-spot only needs simple assembly, quick industrialization installation has been realized, the construction degree of difficulty can be reduced, reduce the requirement to workman construction technique, need not cement mortar or adhesive simultaneously, can avoid environmental pollution, the environmental protection effect of fitment is improved.

Drawings

Fig. 1 is a schematic structural view of a shingle mounting assembly according to an embodiment of the present invention.

Fig. 2 is a top view of a toilet wall panel mounting assembly according to an embodiment of the present invention.

Fig. 3 is a partially enlarged view of a in fig. 2.

Fig. 4 is a partially enlarged view of B in fig. 2.

Fig. 5 is a partially enlarged view of C in fig. 2.

Fig. 6 is a flow chart of a shingle mounting assembly in accordance with an embodiment of the present invention.

Detailed Description

The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Fig. 1 shows the structure schematic diagram of the shingle installation assembly of the embodiment of the present invention, as shown in fig. 1, the embodiment of the present invention provides a shingle installation assembly, which includes: a wall panel 100 and a hanging assembly 200.

The hanging assembly 200 includes a hanger 210 and a cross keel 220. The hanger 210 includes a left side plate 213, a middle side plate, and a right side plate 211.

The right side board 211 is fitted and installed on the shingle 100, the relative both sides that set up of well curb plate are connected with the face and the left side board 213 of right side board 211 respectively, and left side board 213, well curb plate and right side board 211 three form and hang and establish groove 214.

The transverse keel 220 is provided with a supporting insertion plate 225 and a fixing surface for fixing with an original wall, the fixing surface is parallel to the supporting insertion plate 225, and the hanging groove 214 is hung on the supporting insertion plate 225.

In one embodiment, the wall panel 100 has two rows of upper and lower hangers 210, and each row has two hangers 210.

When the wall surface assembly is installed, the fixing surface of the cross keel 220 is attached to the original wall, the cross keel 220 does not need to be leveled with the wall surface, only the horizontal plane needs to be leveled, and the inclination of the wall panel 100 is avoided.

The two ends of the cross keel 220 are fixed, and the square of the internal and external corners of the adjacent cross keel 220 is less than or equal to 2 mm.

The hanger 210 is installed on the wall panel 100. The wall panel 100 has a hollow structure, and the surface thereof may be coated with a film, composite tiles, stone, or the like.

The shingle 100 is then hung on the support insert 225 through the hanging slot 214.

The embodiment of the utility model provides a shingle nail installation assembly is through setting up shingle nail and hanging the dress subassembly, hang through hanging the dress subassembly and establish on original wall, can simplify shingle nail installation flow, the reduction of erection time, practice thrift the cost, improve the installation effectiveness, and all parts all can be directly industrial production in the mill in addition, on-the-spot only needs simple assembly, quick industrialization installation has been realized, the construction degree of difficulty can be reduced, reduce the requirement to workman construction technique, need not cement mortar or adhesive simultaneously, can avoid environmental pollution, the environmental protection effect of fitment is improved.

Further, as shown in fig. 1, one side of the left side plate 213 away from the middle side plate is turned towards the direction away from the right side plate 211, so as to increase the notch of the hanging groove 214, facilitate the insertion of the supporting insertion plate 225, and improve the installation efficiency.

Preferably, the right side plate 211 is recessed toward the surface of the wall panel 100 toward the direction close to the left side plate 213 to form a recessed portion 212, which not only facilitates the hanging of the wall panel 100, but also increases the strength of the right side plate 211.

In this embodiment, the cross section of the recessed portion 212 perpendicular to the length direction thereof is a right trapezoid, and the inclined plate of the right trapezoid is located at a side close to the cross keel 220, so as to further increase the strength of the right side plate 211.

Optionally, the cross keel 220 includes a base plate 221, an upper supporting bar 222 and a lower supporting bar 223 respectively protrude from two sides of the length direction of the plate surface of the base plate 221, which is opposite to the fixing surface, and the supporting insertion plate 225 and the upper supporting bar 222 face the same plane of the plate surface of the wall panel 100, so that the supporting insertion plate 225 is conveniently inserted into the hanging groove 214.

Preferably, the upper supporting bar 222 and the lower supporting bar 223 are hollow to reduce self weight and facilitate installation.

Further, the cross keel 220 further comprises a middle plate 224, the upper supporting bar 222 and the lower supporting bar 223 are connected through the middle plate 224, and the middle plate 224 is parallel to the base plate 221, so as to increase the supporting force of the upper supporting bar 222 and ensure the installation firmness.

As shown in fig. 1, the upper support bar 222 and the lower support bar 223 have a rectangular cross section perpendicular to the longitudinal direction for easy processing.

Preferably, the hanging assembly 200 also includes an upper corner brace 230 and a lower corner brace 240. The upper corner brace 230 is fixedly connected with the upper supporting bar 222 and the original wall, and the lower corner brace 240 is fixedly connected with the lower supporting bar 223 and the original wall, respectively.

Wherein, two angle sign indicating numbers all pass through expansion bolts and fix on original wall. The upper corner brace 230 is connected with the upper supporting bar 222 through screws, and the lower corner brace 240 is adhered with the lower supporting bar 223.

Through setting up angle sign indicating number 230 and lower angle sign indicating number 240, can make things convenient for leveling of cross keel 220, improve assembly efficiency.

In one embodiment, the top corner brace 230 and the bottom corner brace 240 may be angle iron or angle aluminum.

Preferably, as shown in fig. 1, the shingle mounting assembly further comprises: a back box assembly 700 comprising a back box 710 and a back bar 720.

The bottom bar 720 includes a bent plate and a base 721 installed in the bottom case 710, the base 721 having a support table thereon for supporting the wall panel 100.

The bent plate includes a first riser 723 for fixing to an original wall, and an intermediate plate and a second riser 722, the second riser 722 being vertically fixed to the support stand.

The middle plate has a front plate surface and a back plate surface used for abutting against the box opening edge of the bottom box 710, and the front plate surface and the back plate surface are arranged oppositely.

The first vertical plate 723 is vertically fixed on the front plate surface, the second vertical plate 722 is vertically connected with the back plate surface, and the middle plate is positioned between the first vertical plate 723 and the second vertical plate 722.

Through setting up end box device 700, not only support shingle nail 100, can improve the fastness of shingle nail 100 installation, but also can make level the correction to shingle nail 100, guarantee shingle nail 100 installation level.

When the bottom box device 700 is assembled, the upper line paying-off is completed on the ground, the bottom rod line deviates 10mm from the original wall paying-off for completing the upper line paying-off, and then the micro-leveling is performed according to the highest point of the bottom rod 720.

After micro-leveling, the base 721 is fixed to the bottom of the bottom box 710 by 3M double-sided adhesive tape, and the second riser 722 of the bottom rod 720 is fixed to the original wall by screws.

Preferably, the end surface of the base 721 facing the side wall of the bottom case 710 is coplanar with the second riser 722 to reduce the volume of the base 721.

Further, the base 721 is hollow to reduce self weight and facilitate assembly. In this embodiment, the base 721 has a rectangular cross section perpendicular to the longitudinal direction for easy processing.

More preferably, the base 721 is recessed towards the end surface of the bottom box 710, so as to reduce the contact area between the base 721 and the bottom box 710, thereby facilitating leveling, reducing the amount of double-sided adhesive, and reducing cost.

Furthermore, the flatness of the bottom box 710 is less than or equal to 2mm, so as to facilitate the leveling of the bottom rod 720.

Preferably, the first riser 723 is coplanar with the outer box wall of the bottom box 710 toward the original wall surface to reduce the volume of the bottom box assembly 700.

In a preferred embodiment of the present invention, as shown in fig. 2-3, the shingle mounting assembly further includes an internal corner assembly 300 that includes an internal corner vertical keel and an internal corner mounting 330.

The internal corner vertical keel comprises a vertical plate 310 and a horizontal plate 320 which are vertically connected, and the vertical plate 310 and the horizontal plate 320 are respectively connected with two wall panels 100 which are vertically intersected at an internal corner.

Wherein, the wall corner that is concave on the wall is the reentrant corner, and the corner that stands out is the external corner.

The internal corner fixing part 330 is in a shape of a 'Z', and comprises a front plate, a middle plate and a rear plate, wherein the middle plate is respectively vertically connected with the front plate and the rear plate and is positioned between the front plate and the rear plate.

The front plate is installed on the transverse plate 320, the rear plate is clamped between two vertically intersected wall panels 100, and the middle plate, the rear plate and the vertical plate 310 form a slot for being plugged with a plug connector 340.

During assembly, pre-installation holes can be drilled on the internal corner vertical keels for connecting with the transverse keels 220.

The female corner vertical runner is placed on the center panel and against the first riser 723. The bottom rod 720 is used as a reference, and infrared equipment is utilized to find the vertical keel at the internal corner.

When the internal corner vertical keel is determined to be vertical, the internal corner vertical keel is fixed and is fixedly connected with the wall panel 100 and the transverse keel 220.

Through setting up the reentrant corner subassembly, not only can make things convenient for shingle nail 100 to install in reentrant corner department, improve the installation effectiveness, still can improve the connection stability of two shingle nails 100 in reentrant corner department.

Further, the vertical plate 310 and the transverse plate 320 are hollow, and the hollow areas of the vertical plate 310 and the transverse plate 320 are communicated, so that the self weight is reduced, and the installation is convenient.

Further, be provided with constant head tank 321 on the horizontal board 320, be provided with the location arch on the front bezel, the location arch inserts in the constant head tank 321 to make things convenient for the vertical fossil fragments of reentrant corner and reentrant corner mounting 330 to assemble.

In one embodiment, the positioning protrusion and the positioning groove 321 are further connected by screws.

Further, the inside corner assembly 300 further includes a first reinforcing plate 322, and the first reinforcing plate 322 is vertically connected to the inner wall of the transverse plate 320 and the groove bottom of the positioning groove 321, respectively, to increase the strength of the transverse plate 320.

Likewise, the inside corner assembly 300 further includes second reinforcing plates 311, and the second reinforcing plates 311 are perpendicularly connected to opposite inner walls of the vertical plates 310, respectively.

As shown in fig. 3, the first and second reinforcing plates 322 and 311 are each two in number.

Preferably, the surface of the positioning groove 321 is provided with a waterproof strip 350 for connecting with the wall panel 100, so as to ensure the waterproof performance between the internal corner vertical keel and the wall panel 100 and prevent water from entering between the wall panel 100 and the original wall.

Preferably, the inside corner assembly 300 further comprises an insert piece 340, wherein a horizontal insert plate 342 and a vertical insert plate 341 are arranged on the insert piece 340.

The plug 340 is plugged in the slot, the horizontal plug 342 is clamped between the back plate and the wall panel 100, and the vertical plug 341 is clamped between the vertical plate 310 and the wall panel 100.

Through setting up plug 340, can increase the area of contact of shingle nail 100 and reentrant corner vertical keel, guarantee shingle nail 100 and reentrant corner vertical keel's stability of being connected.

Further, the plug 340 is hollow to reduce its own weight. As shown in fig. 3, the plug 340 has a rectangular cross section perpendicular to the longitudinal direction.

Preferably, the surface of the transverse plate 320 for attachment to the original wall extends away from the vertical plate 310 to form a transversely extending plate 323.

The vertical plate 310 is fixed to the original wall by extending the plate surface away from the horizontal plate 320 to form a vertical extending plate 312.

Through setting up horizontal extension board 323 and vertical extension board 312, can increase the area of contact of reentrant corner vertical keel and original wall, the convenience is fixed.

Preferably, as shown in fig. 4, the shingle mounting assembly further includes a splice assembly 400 that includes a male member 410 and a female member 420.

The sub-element 410 comprises a plug connector and a sub-plate 411, and a first plug strip clamped with the wall panel 100 is arranged on the sub-plate 411.

The plug connector and the first plug strip are located on two sides of the daughter board 411, the plug connector comprises a plug board 412, a flange 413 is arranged on a first side of the plug board 412 in the length direction, and the flange 413 is connected with the daughter board 411.

The female member 420 comprises a plug groove 422 and a mother board 421, the mother board 421 is connected with the groove bottom of the plug groove 422, and a second plug strip clamped with the wall panel 100 is arranged on the mother board 421. The second side of the length direction of the inserting plate 412 is inserted into the inserting groove 422 to connect the adjacent wall panels 100.

Each wall panel 100 is provided with a clamping groove 110, and the first inserting strip and the second inserting strip are respectively clamped with the clamping grooves 110 on the corresponding wall panels 100.

By providing the splice assembly 400, the connection between adjacent shingles 100 is facilitated, and the installation efficiency is improved.

Further, the inserting groove 422 comprises a first groove plate and a second groove plate which are oppositely arranged, and the second groove plate and the mother plate 421 are coplanar, so that the second groove plate is attached to the wall panel 100, and the connection stability between the wall panels 100 is ensured.

Preferably, the inserting groove 422 further comprises a bridging plate 423, one side of the length direction of the bridging plate 423 is attached to the outer plate surface of one side of the second groove plate far away from the groove bottom, and the bridging plate 423 is attached to the sub-plate 411.

In the inserting plate 412 inserts inserting groove 422, daughter board 411 and the laminating of bridging plate 423, not only can guarantee the sealing nature of being connected between sub-410 and the female 420, improve waterproof performance, still can increase inserting groove 422's notch width, convenient grafting.

In a specific embodiment, the motherboard 421 has a first board surface and a second board surface that are oppositely disposed, and the second board surface protrudes toward the first board surface to form a second plugging strip, so as to simplify the structure and reduce the self weight.

Similarly, the sub-board 411 has a third board surface and a fourth board surface that are oppositely disposed, and the fourth board surface protrudes toward the third board surface to form a first plugging strip.

Preferably, the width of the first slot plate is greater than the sum of the widths of the second slot plate and the bridging plate 423, so that the first slot plate can be conveniently fixed on the original wall, and the installation efficiency can be improved.

In this embodiment, the edge of the first groove plate on the side away from the groove bottom is coplanar with the inner end face of the first plug strip close to the plug, that is, coplanar with the inner wall of the recess corresponding to the first plug strip close to the plug, so as to reduce the volume.

Optionally, the thickness of the plugging plate 412 is greater than that of the sub-plate 411, so that not only can plugging be facilitated, but also plugging and fastening with the plugging slot 422 can be achieved.

Further, the wall panel 100 is provided with a waterproof strip 120, and the waterproof strip 120 is tightly attached to the insertion groove 422, so as to ensure the water-proof effect between the adjacent wall panels.

Preferably, as shown in fig. 5, the shingle mounting assembly further includes an external corner fastener 500 comprising an insert plate 530, a horizontal plate 510 and a vertical plate 520.

The horizontal plate 510 is vertically connected with the vertical plate 520, and one side of the insertion plate 530 in the length direction is disposed at the connection position of the horizontal plate 510 and the vertical plate 520 and outside the surrounding area formed by the horizontal plate 510 and the vertical plate 520.

The insertion plate 530 has the same included angle with the horizontal plate 510 and the vertical plate 520, and the insertion plate 530 is provided with a first insertion block 540 and a second insertion block 550.

The first and second insertion blocks 540 and 550 are respectively inserted into the two wall panels 100 at the external corner.

The width direction of the first insertion block 540 is perpendicular to the vertical plate 520, and the width direction of the second insertion block 550 is perpendicular to the horizontal plate 510.

During assembly, the pre-connected side of the two wall panels 100 at the external corner is milled and cut at 45 degrees, and then the first insertion block 540 and the second insertion block 550 are respectively inserted into the two wall panels 100 at the external corner to connect the two wall panels 100 at the external corner.

By providing the external corner fixing member 500, the two wall panels 100 located at the external corner can be conveniently installed, and the installation stability of the wall panels 100 is improved.

Further, the first insertion block 540 and the second insertion block 550 are provided with saw tooth strips 560 on the fixed plate surfaces of the wall panel 100, so as to facilitate the adhesion between the first insertion block 540 and the second insertion block 550 and the wall panel 100.

Preferably, the wall panel mounting assembly further comprises an external corner vertical runner 600 for connecting the two cross runners 220 at the external corner to connect the two cross runners 220 at the external corner, increasing the stability of the connection between the cross runners 220.

As shown in fig. 5, the cross-section of the external corner vertical keel 600 perpendicular to the length direction is L-shaped.

Based on foretell shingle nail installation assembly, the embodiment of the utility model provides a still provides a shingle nail installation method, as shown in fig. 6, it includes:

s100, mounting the transverse keel on an original wall surface;

s200, mounting the pendant on a wall panel;

s300, hanging the hanging groove of the hanging piece on the supporting inserting plate of the transverse keel.

The embodiment of the utility model provides a shingle nail installation assembly mounting method is through setting up shingle nail and hanging the dress subassembly, hang through hanging the dress subassembly and establish on original wall, shingle nail installation flow can be simplified, the reduction of erection time, the cost is saved, the installation effectiveness is improved, and all parts all can be directly industrial production in the mill, only need simple assembly on the scene, quick industrialization installation has been realized, the construction degree of difficulty can be reduced, reduce the requirement to workman construction technique, need not cement mortar or adhesive simultaneously, can avoid environmental pollution, the environmental protection effect of fitment is improved.

Now, taking a toilet as an example, the installation process of the shingle assembly is described with reference to fig. 2.

The inside corner of the right side of the door edge is installed by a starting wall panel, the whole installation is clockwise or anticlockwise in sequence, and in the figure 2, the installation is anticlockwise. The door side wall panel on the right side is installed firstly, and the wall panel on the left side is installed finally.

A hanger 210 is mounted to each of the wall panels 100. The cross runners 220 are installed on the original wall.

When the cross keel 220 is installed, slight pressure needs to be applied to the surface layer of the installation position of the cross keel 220 so as to ensure that the wall panel can be smoothly hung.

And an internal corner vertical keel is arranged at each internal corner. The bottom of the initial shingle 100 is dropped on the support table of the sill 720 and moved to the vertical keel next to the internal corner, the shingle 100 is fixed using the internal corner fixing member 330, and the perps are constructed using infrared equipment for assistance, ensuring the perps to be vertical.

If not, fine adjustment of the cushion layer is performed between the support tables of the wall panel 100 and the bottom rod 720, and after the wall panel 100 is ensured to be vertical, the female member 420 and the cross keel 220 are fixed by using self-tapping screws.

The wall panel between the first internal corner and the second internal corner is installed, and one of the wall panels 100 is fixed with the vertical keel of the internal corner. The wall panels 100 between adjacent internal corners are connected by the male member 410 and the female member 420.

In the same way, the wall panel 100 is installed between the second and third inside corners.

At the external corner, the horizontal keel 220 is connected through the external corner vertical keel 600, the two wall panels 100 positioned at the external corner are connected by using the external corner fixing member 500, and then the wall panels 100 between the external corner and the fourth internal corner, and between the fourth internal corner and the fifth internal corner are installed.

And finally, mounting the door side wall panel on the internal corner vertical keel at the fifth internal corner.

The technical solution of the present invention is described in detail with reference to the specific embodiments, and the described specific embodiments are used to help understand the idea of the present invention. The derivation and modification made by the person skilled in the art on the basis of the specific embodiments of the present invention also belong to the protection scope of the present invention.

Claims (10)

1. An internal corner assembly, comprising: the utility model provides a socket for fixing the wall panel, the vertical fossil fragments of reentrant corner and reentrant corner mounting, the vertical board and the horizontal board of reentrant corner vertical connection are including vertical board and the horizontal board of perpendicular connection, vertical board and horizontal board are connected with two wall panels crossing perpendicularly respectively, the reentrant corner mounting includes front bezel, medium plate and back plate, the medium plate is connected with front bezel and back plate are perpendicular respectively, and is located between the front and back plate, the front bezel is installed on horizontal board, the back plate presss from both sides between two wall panels crossing perpendicularly, medium plate, back plate and vertical plate form the slot that is used for pegging graft with the plug connector.

2. The reentrant assembly of claim 1, wherein the vertical plates and the transverse plates are hollow, and wherein the vertical plates communicate with the hollow regions of the transverse plates.

3. The reentrant corner assembly of claim 2, wherein the lateral plates are provided with positioning grooves, and the front plate is provided with positioning projections which are inserted into the positioning grooves.

4. The inside corner assembly according to claim 3, further comprising a first reinforcing plate vertically connected to the inner wall of the transverse plate and the groove bottom of the positioning groove, respectively.

5. The inside corner assembly according to claim 4, further comprising second reinforcing plates perpendicularly connected to opposite inner walls of the vertical plates, respectively.

6. The inside corner assembly according to claim 3, wherein the positioning groove is provided with a waterproof strip on the panel for connecting with the wall panel.

7. The reentrant corner subassembly of claim 1, further comprising a plug connector, wherein a horizontal plug board and a vertical plug board are arranged on the plug connector, the plug connector is plugged in the slot, the horizontal plug board is clamped between the back plate and the wall panel, and the vertical plug board is clamped between the vertical plate and the wall panel.

8. The reentrant corner assembly of claim 7, wherein the socket connector is hollow.

9. The reentrant corner assembly of any one of claims 1 to 8, wherein the face of the transverse panel adapted to be secured to the original wall extends away from the vertical panel to form a transversely extending panel, and the face of the vertical panel adapted to be secured to the original wall extends away from the transverse panel to form a vertically extending panel.

10. A shingle mounting assembly including an internal corner element as claimed in any one of claims 1 to 9.

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