Overall solution for hidden nail missing of external corner edging strip

Abstract

The invention relates to the technical field of architectural decoration and finishing, and discloses an integral solution for hidden nails of an external corner edging strip, which comprises a metal base, two side edges of the metal base are respectively provided with a bending part extending outwards; the mounting holes are formed in the two side surfaces of the metal base; the screws are arranged in the mounting holes and are used for attaching and fixing the metal base on a right-angle line of a wall; the inner walls of the two sides of the external corner strip are provided with clamping hooks protruding inwards, the clamping hooks are matched with the bent parts of the metal base, the hidden nail of the external corner edge closing strip does not consider the overall solution, the problems existing in a traditional exposed nail and an adhesive installation mode are solved, the hidden fixing mode is adopted in the structure, the nail can be covered and shielded, and the hidden nail can be prevented from being damaged. Therefore, the problem that the head of the nail is exposed outside is avoided, the integrity and attractiveness of the edge closing strip are kept, and meanwhile, the hidden fixing mode also reduces the risk that the edge closing strip tilts and falls off due to the fact that the nail loosens due to collision of external force.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of architectural decoration, in particular to a sun corner edge strip hidden nail integral solution. BACKGROUND

[0002] In the field of architectural decoration and furniture manufacturing, the edge treatment of the sun corner (i.e. the outer right angle part of the wall or component) is a key link to ensure the construction quality and aesthetic degree. The sun corner edge strip, as a decorative component for covering the sun corner joint and protecting the corner from collision damage, its installation process directly affects the overall decoration effect and service life.

[0003] The traditional exposed nail installation method needs to directly nail the nail on the surface of the edge strip, and the head of the nail is exposed outside, which not only destroys the integrity and aesthetics of the edge strip, but also easily causes the nail to loosen due to external force collision, and then causes the edge strip to be warped and detached. Some use the method of adhesion to fix the edge strip, which relies on the adhesion of the adhesive to fix the edge strip, but with the passage of time, the adhesive will age due to changes in environmental temperature and humidity, and the adhesion strength will decrease, resulting in separation of the edge strip from the wall, especially in the sun corner which is a force concentrated part, the detachment problem is more prominent, so we propose a sun corner edge strip hidden nail integral solution to solve the above problems. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a sun corner edge strip hidden nail integral solution, which solves the problems of exposed nails on the surface of the sun corner strip affecting the aesthetics and detachment caused by the aging of the adhesive.

[0005] To achieve the above purpose, the following technical scheme is adopted: a sun corner edge strip hidden nail integral solution, a metal base is provided with multiple groups, and the two side edges of the metal base are respectively provided with outwardly extending bent portions;

[0006] The installation hole is formed in the two side faces of the metal base;

[0007] The screw is arranged in the installation hole and used to fix the metal base on the wall right angle line;

[0008] The sun corner strip is provided with inwardly protruding hooks on the two side inner walls, wherein the hooks are matched with the bent portions of the metal base;

[0009] When the sun corner strip is buckled on the outside of the metal base, the hooks are hooked on the bent portions, realizing the clamping connection of the sun corner strip and the metal base;

[0010] The soft structural adhesive is filled in the interlayer between the sun corner strip and the metal base, used to eliminate the gap between the two and buffer the external force impact without abnormal sound.

[0011] Preferably, the metal base is made of stainless steel or aluminum alloy material, and is designed in a 90° angle structure, and the metal base and the bent part of the side are integrally formed.

[0012] Preferably, the mounting hole is provided at least one on each side of the metal base, and is uniformly distributed along the length direction of the metal base.

[0013] Preferably, the external surface of the external corner strip is smooth arc surface or plane.

[0014] Preferably, the clamping hook is of elastic structure, and the free end is provided with a guide slope for guiding the clamping hook to slide into and tighten the bent part.

[0015] Preferably, the soft structure glue is modified silane sealant or silicone structure sealant.

[0016] Preferably, the inner side wall of the metal base is provided with grid-shaped or strip-shaped anti-skid lines for enhancing the fitting friction between the metal base and the wall right angle line.

[0017] Beneficial effects

[0018] The present application provides a whole solution of external corner finishing strip hidden nail structure. Compared with the prior art, the following beneficial effects are achieved:

[0019] The whole solution of external corner finishing strip hidden nail structure solves the problems existing in the traditional exposed nail and adhesive installation mode. The structure adopts a hidden fixing mode, can cover and shield the nails, thereby avoiding the problem that the nail head is exposed outside, maintains the integrity and aesthetics of the finishing strip, and reduces the risk that the finishing strip is lifted and falls off due to loosening of the nails caused by external force impact. Compared with the traditional adhesive fixing mode, the hidden buckle limiting fixing structure adopted by the present application is not affected by environmental temperature change and humidity, thereby avoiding the problem of decreased bonding strength caused by aging of the adhesive. The structure can effectively prevent the finishing strip from falling off, improve the stability of the finishing strip installation, prolong the service life of the structure, and meet the actual use requirements. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the present application;

[0021] Figure 2 It is a structure schematic view of the metal base and the connecting parts such as mounting hole of the present application;

[0022] Figure 3 It is a structure schematic view of the external corner strip of the present application;

[0023] Figure 4 It is a whole structure top view of the present application.

[0024] In the figure: 101, metal base; 102, mounting hole; 103, screw; 104, external corner strip. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0026] As shown in Figures 1-4

[0027] An external corner finishing strip concealed nail integral solution includes:

[0028] The metal base 101 can adopt a set of integral structure, the length of which is adapted to the external corner strip 104. The metal base 101 can also be provided as a plurality of split short sections, arranged in a split form, to meet the installation requirements while controlling the cost. The two side edges of the metal base 101 are respectively provided with outwardly extending bent portions. The metal base 101 is made of stainless steel plate material or aluminum alloy material, and is designed in a 90° angle structure. The metal base 101 and the bent portions of the side edges are integrally formed.

[0029] The mounting hole 102 is provided on the two side surfaces of the metal base 101. There is at least one mounting hole 102 on each of the two side surfaces of the metal base 101, and the mounting holes 102 are uniformly distributed along the length direction of the metal base 101.

[0030] The screw 103 is arranged in the mounting hole 102, and is used for fixing the metal base 101 to the wall right angle line.

[0031] The external corner strip 104 is provided with inwardly protruding hooks on the two side inner walls. The hooks are adapted to the bent portions of the metal base 101. The external corner strip 104 is made of metal or hard PVC material, and the outer surface thereof is a smooth arc surface or a plane. The hooks are of a resilient structure, and the free end thereof is provided with a guide inclined surface. The guide inclined surface is used for guiding the hooks to slide into and tightly fasten the bent portions.

[0032] When the external corner strip 104 is fastened to the outside of the metal base 101, the hooks are hooked on the bent portions, so as to realize the clamping connection between the external corner strip 104 and the metal base 101.

[0033] ​The soft structural adhesive is filled in the interlayer between the external corner strip 104 and the metal base 101, used for eliminating the gap between the two and buffering the external force impact, without noise, and the soft structural adhesive is modified silane sealant or silicone structural sealant;

[0034] The inner side wall of the metal base 101 is provided with grid-shaped or strip-shaped anti-skid lines, used for enhancing the fitting friction between the metal base 101 and the wall right angle line.

[0035] In the embodiment: in use, the metal base 101 adopts a stainless steel plate with a thickness of 1-2 mm or an aluminum alloy plate with a thickness of 1-2 mm, which is integrally formed into a 90° angle structure through stamping, and the fitting surface precision error of the metal base 101 with the wall right angle line is ≤0.5°, so as to ensure the close fitting, the mounting hole 102 is a circular through hole penetrating through the two side surfaces of the metal base 101, which is uniformly distributed along the length direction of the metal base 101, and at least one is arranged on each side surface, and preferably 1-2 in actual application, the hole diameter is larger than the nominal diameter of the screw 103 by 0.2-0.5 mm, and the screw 103 can adopt a countersunk cross screw;

[0036] The external corner strip 104 can adopt aluminum alloy, stainless steel or hard PVC with a thickness, and the thickness of the external corner strip 104 can adopt 1-2 mm, the outer surface is smooth arc surface or plane, and the height difference with the wall surface decoration surface is ≤0.3 mm, so as to ensure the overall unity in vision, the two side inner walls of the external corner strip 104 are integrally formed with inwardly protruding hooks, the hooks are of elastic structure, the cross section is in the shape of “7”, and the free end is provided with a guide inclined surface, so as to facilitate the sliding of the hooks into the bent part of the metal base 101 and the close hooking;

[0037] In the specific installation process, the dust and sundries on the surface of the wall right angle line are cleaned, the metal base 101 is fitted on the wall right angle line, the screw 103 is arranged through the mounting hole 102, and the screwdriver is screwed into the wall body or the pre-embedded expansion pipe, until the metal base 101 is closely fitted with the wall surface, and the metal base 101 is installed and fixed through the cooperation of the mounting hole 102 and the screw 103;

[0038] The soft structural adhesive is hit on the position close to the metal base 101 on the inner side wall of the external corner strip 104, the external corner strip 104 is held by hand, the opening of the external corner strip 104 is aligned with the metal base 101, and moderate pressure is applied to the external corner strip 104, so that the hooks are elastically deformed and slid into the bent part of the metal base 101, until the hooks are completely hooked, and a “click” sound is heard, the clamping is realized, the screw 103 is covered by the external corner strip 104, and is not easy to be exposed outside, so as to ensure the beauty of the installation, at this time, the soft structural adhesive is compressed by 30%-50%, and the gap between the metal base 101 and the external corner strip 104 is filled;

[0039] The soft structural glue fills the interlayer gap between the external corner strip 104 and the metal base 101. On the one hand, it blocks the invasion of dust and water vapor, avoids the rusting or aging of components; on the other hand, when the external corner strip 104 is impacted, the soft structural glue as the interlayer filling absorbs the impact force through elastic deformation, reduces the hard friction between metal parts, and solves the problem of loose and abnormal sound;

[0040] The 90° corner structure of the metal base 101 and the inner side wall are provided with grid-shaped or strip-shaped anti-skid lines, which jointly ensure the stability of the adhesion to the wall surface and provide firm support for the external corner strip 104;

[0041] The present scheme solves the problems existing in the traditional exposed nail and adhesive installation mode. The structure adopts a hidden fixing mode, which can cover and shield the nails, thereby avoiding the problem of exposed nail heads, maintaining the integrity and aesthetics of the finishing strip. At the same time, the hidden fixing mode also reduces the risk of loosening of the nails caused by external impact, thereby preventing the finishing strip from being raised and falling off. Compared with the traditional adhesive fixing mode, the hidden buckle limiting fixing structure adopted by the present application is not affected by environmental temperature changes and humidity, thereby avoiding the problem of decreased bonding strength caused by aging of the adhesive. The structure can effectively prevent the falling off of the finishing strip, improve the stability of the finishing strip installation, prolong the service life of the structure, and meet the actual use requirements.

[0042] It should be noted that the specific installation number of the metal base 101 can be flexibly selected according to actual use requirements.

[0043] It should be noted that:

[0044] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A one-piece solution for exterior corner bead concealed fastening, characterized in that, Include; Metal base (101), both sides of the metal base (101) are provided with outwardly extending bending parts; Mounting hole (102), the mounting hole (102) is opened in the two side faces of the metal base (101); Screw (103), the screw (103) is arranged in the mounting hole (102), used for fixing the metal base (101) on the wall straight line; External corner strip (104), the two side inner walls of the external corner strip (104) are provided with inwardly protruding hooks, wherein the hooks are matched with the bending parts of the metal base (101); When the external corner strip (104) is buckled on the outside of the metal base (101), the hooks are hooked on the bending parts, realizing the clamping connection of the external corner strip (104) and the metal base (101); Soft structural adhesive, the soft structural adhesive is filled in the interlayer between the external corner strip (104) and the metal base (101), used for eliminating the gap between the two and buffering the external force impact, and there is no abnormal sound.

2. The external corner bead countersunk screw solution in one piece according to claim 1, characterized in that: The metal base (101) is made of stainless steel plate material or aluminum alloy material, and is designed as a 90° angle structure, the metal base (101) and the bending part of the side edge are an integral structure.

3. The external corner bead countersunk screw solution of claim 1, wherein: The mounting hole (102) is provided with at least one on each of the two side faces of the metal base (101), and is uniformly distributed along the length direction of the metal base (101).

4. The external corner bead countersunk screw solution of claim 1, wherein: The external corner strip (104) is made of metal or hard PVC material, and the outer surface is smooth arc surface or plane.

5. The external corner bead countersunk screw solution of claim 1, wherein: The hook is a flexible structure, and the free end is provided with a guide slope, which is used for guiding the hook to slide into and tighten the bending part.

6. The external corner bead countersunk screw solution of claim 1, wherein: The soft structural adhesive is modified silane sealant or silicone structural sealant.

7. The external corner bead countersunk screw solution of claim 1, wherein: The inner side wall of the metal base (101) is provided with grid-shaped or strip-shaped anti-skid lines, which are used for enhancing the fitting friction force between the metal base (101) and the wall straight line.

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