阅读说明：本技术 一种背景墙边部收口结构及其安装方法 (Background wall edge closing structure and mounting method thereof ) 是由 丁欣欣 丁泽成 王文广 周东珊 马蕊 蔡帅帅 于 2021-07-23 设计创作，主要内容包括：本发明公开了一种背景墙边部收口结构,涉及装配式背景墙安装技术领域。包括上部收口件和下部收口件；上部收口件包括上固定座和上定位座,上定位座上开设有第一滑槽,在上固定座上开设有第一滑块,还包括开设在上固定座上的第一插接槽；下部收口件包括下固定座和下定位座,下固定座上开设有第二滑槽,还包括开设在下固定座上的第二插接槽；还包括开设在下定位座上的容置槽,以及多个安置在容置槽中的支撑滚珠。本装置可支撑背景墙重量,也作为收口结构遮盖背景墙与原始墙之间的交界,保护背景墙。本发明还公开了一种背景墙边部收口结构的安装方法,指导收口结构与背景墙的安装连接、与墙体的安装固定,提高效率,提升背景墙安装质量。(The invention discloses a background wall edge closing structure and relates to the technical field of assembly type background wall installation. Comprises an upper closing part and a lower closing part; the upper closing part comprises an upper fixing seat and an upper positioning seat, the upper positioning seat is provided with a first sliding groove, the upper fixing seat is provided with a first sliding block, and the upper closing part also comprises a first inserting groove arranged on the upper fixing seat; the lower closing-in piece comprises a lower fixed seat and a lower positioning seat, the lower fixed seat is provided with a second sliding groove, and the lower closing-in piece also comprises a second inserting groove arranged on the lower fixed seat; the lower positioning seat is provided with a lower positioning seat and a plurality of supporting balls arranged in the lower positioning seat. The device can support the weight of the background wall, and also can be used as a closing structure to cover the boundary between the background wall and the original wall so as to protect the background wall. The invention also discloses an installation method of the edge closing-up structure of the background wall, which guides the installation connection of the closing-up structure and the background wall and the installation and fixation of the closing-up structure and the wall body, improves the efficiency and improves the installation quality of the background wall.)

1. The utility model provides a wall limit portion binding off structure which characterized in that: comprises an upper closing part (1) and a lower closing part (2); the upper closing part (1) comprises an upper fixing seat (3) and an upper positioning seat (4), wherein a first sliding groove (5) is formed in the upper positioning seat (4), a first sliding block (6) which is inserted into the first sliding groove (5) and slides in the first sliding groove (5) is formed in the upper fixing seat (3), and a first inserting groove (7) which is formed in the upper fixing seat (3) and used for inserting and fixing the edge part of the background wall is further formed; the lower closing part (2) comprises a lower fixing seat (8) and a lower positioning seat (9), a second sliding groove (10) used for accommodating the lower positioning seat (9) is formed in the lower fixing seat (8), and a second inserting groove (11) used for inserting the lower edge of the background wall is formed in the lower fixing seat (8); the lower positioning seat is characterized by further comprising an accommodating groove (12) formed in the lower positioning seat (9) and a plurality of supporting balls (13) arranged in the accommodating groove (12), and when the lower positioning seat (9) is accommodated in the second sliding groove (10), the supporting balls (13) are also abutted to the groove bottom of the second sliding groove (10) so as to facilitate relative sliding between the lower fixing seat (8) and the lower positioning seat (9).

2. The edge portion closing-up structure of a background wall as claimed in claim 1, wherein: the sliding device further comprises an arc-shaped sliding groove (14) arranged at the groove bottom of the second sliding groove (10), and the arc-shaped sliding groove (14) is in surface contact with the supporting ball (13).

3. The edge portion closing-up structure of a background wall as claimed in claim 1, wherein: the glue pouring device also comprises a first gluing groove (15) arranged at the groove bottom of the first inserting groove (7), and glue overflowing grooves (16) are further arranged on two sides of the first gluing groove (15).

4. A background wall edge portion shell nosing structure as claimed in claim 3, wherein: a partition plate (17) is arranged between the first gluing groove (15) and the glue overflowing groove (16) at intervals; an inclined slope surface (18) is arranged at the end edge of the partition plate (17) so that one side, facing the first glue applying groove (15), of the partition plate (17) is lower than one side, facing the glue overflowing groove (16), of the partition plate (17).

5. The edge portion closing-up structure of a background wall as claimed in claim 1, wherein: a second gluing groove (19) is further formed in the groove bottom of the second inserting groove (11), and a tooth-shaped protrusion (20) is further arranged at the groove bottom of the second gluing groove (19).

6. The edge portion closing-up structure of a background wall as claimed in claim 5, wherein: and the glue overflow holes (21) are formed in the groove wall of the second inserting groove (11) at equal intervals.

7. The edge portion closing-up structure of a background wall as claimed in claim 6, wherein: a bunch notch (22) is further arranged on one side wall of the lower fixing seat (8), and the bunch notch (22) and the glue overflow hole (21) are arranged on the same side of the lower fixing seat (8); a wire harness notch (22) with the same specification is also arranged on one side wall of the upper fixed seat (3).

8. The edge portion closing-up structure of a background wall as claimed in claim 7, wherein: still including seting up respectively on another lateral wall of lower fixing base (8), on the binding off lines (23) on another lateral wall of upper fixing base (3), binding off lines (23) and bunch notch (22) are located the both sides of lower fixing base (8) or upper fixing base (3) respectively.

9. The edge portion closing-up structure of a background wall as claimed in claim 1, wherein: the upper positioning seat (4) and the lower positioning seat (9) are respectively provided with a nail connecting groove (24).

10. A method of installing a background wall edge closing structure according to any one of claims 1 to 9, wherein: the specific installation steps are as follows:

s1: measuring the size of a field installation wall surface, calculating the using quantity of the background wall and the closing-up structure, and marking the installation positions of the background wall and the closing-up structure before lifting the wall surface;

s2: the upper positioning seat (4) and the lower positioning seat (9) are respectively fixed at the installation mark positions of the top surface and the bottom surface of the wall in a screw fixing mode, screws are arranged in a left-right staggered mode, and the screw spacing is adjusted on site according to the nail holding force;

s3: an upper fixing seat and a lower fixing seat (8) are respectively inserted and installed at the upper side edge and the lower side edge of the background wall, and the background wall is connected with the upper fixing seat and the lower fixing seat (8) in an adhesive manner by gluing in a first gluing groove (15) and a second gluing groove (19);

s4: placing the support balls (13) into the lower positioning seat (9), then sliding the combined piece of the background wall and the upper and lower fixing seats with the upper positioning seat (4) and the lower positioning seat (9) along the sliding groove direction, and enabling the background wall to slide to a set position along the sliding groove direction;

s5: and arranging and adjusting the lamp belt line.

Technical Field

The invention relates to the technical field of mounting of an assembly type background wall, in particular to a background wall edge closing structure and a mounting method thereof.

Background

The stone background wall is indispensable wall decoration in home decoration design, is beautiful and atmospheric, has the functions of sound absorption, sound insulation, wave absorption and the like, and has a plurality of places which can be decorated, such as a sofa background wall, a television background wall and the like. The stone background wall has rich texture, attractive appearance, high grade of natural atmosphere, easy cleaning and durability, and can be shaped according to the design and the size of the stone background wall depends on the room area. The decoration has become a focus in the design of home decoration, is one of the key points of large-sized living rooms, occupies a quite important position in decoration, not only attracts the eyes of people, but also is a special space for embodying the taste and personality of a master.

Background walls mainly have two main types of fixing modes:

1. a sticking mode: the wood is used as a base layer, the stone is adhered to the wood by glue, and the periphery of the stone is used for closing up by making a frame model; the requirement on the flatness of the base layer is strict, the shock resistance is poor, and the large-area use cannot be realized; because the ceramic tile back glue has good water retention and relatively slow drying speed, the expansion and shrinkage rate of the material is increased under the condition that the bonding layer is too thick, so that the expansion and shrinkage coefficients of the bonding layer, the ceramic tile and the wall are not matched, the interface bonding strength is reduced, and hollowing or whole piece stripping type brick falling is likely to occur;

2. dry hanging: the steel frame is used as a base layer, and the stone is hung on the keel and the hanging piece by using the dry hanging piece; the finish surface is thicker, occupies more space, and whole cost is high, and it is weak to resist shock, and the side is intractable, and the stone material fluting loss of punching is big, and major structure produces great displacement or the difference in temperature when great, produces additional stress in panel inside, can not solve good deformation problem.

The patent number CN202010363672.4 discloses an invention patent named as a mounting structure of a large natural stone light-transmitting background wall, which comprises a large natural stone plate and a luminous body, wherein the back of the large natural stone plate is provided with a transparent reinforced mounting structure, the luminous body comprises a heat-conducting base plate with the same size as the large natural stone plate, the heat-conducting base plate is provided with a plurality of LED lamps which are arranged in an array manner, and the heat-conducting base plate is connected with the transparent reinforced mounting structure through the heat-conducting base plate to form the mounting structure of the natural stone light-transmitting background wall; the large natural stone board is a large natural stone board, and a large transparent reinforced mounting structure is arranged on the back of the large natural stone board and then connected with the heat conduction foundation board of the luminous body to form a mounting structure of the large natural stone light-transmitting background wall; or the mounting structures of the natural stone light-transmitting background walls are connected through the transparent reinforced mounting structures to form the mounting structure of the large-scale natural stone light-transmitting background wall.

In the above patent, transparent melting molding material is filled between the background wall and the wall, and the melting material is solidified, so that the expansion and contraction coefficients among the bonding layer, the ceramic tile and the wall are not matched, the interface bonding strength is reduced, and the brick falling in a hollow drum or a whole piece stripping manner is likely to occur.

In addition, the transparent reinforcing mounting structure is only used between the background wall and the wall, the gravity direction of the background wall is perpendicular to the mounting direction of the mounting structure, the load of the mounting structure is large, and the edge of the background wall is not provided with a closing-up structure.

Disclosure of Invention

The invention provides a wall edge closing-in structure which is mainly applied to the upper edge part and the lower edge part of a wall, and bears part of the weight of the wall while closing in the wall, thereby reducing the burden of a wall fixing structure; avoid glue tie coat thickness uneven, lead to the stress to appear for solve above-mentioned technical problem.

The invention also provides an installation method of the closing-up structure at the edge part of the background wall, which is used for guiding the installation connection of the closing-up structure and the background wall and guiding the installation and fixation of the closing-up structure at the wall part, so that the background wall can be conveniently installed at the appointed position of the wall surface, the efficiency is improved, the installation quality is improved, and the technical problem is solved.

The technical scheme for solving the problems is as follows: the utility model provides a wall edge closing structure, which comprises an upper closing piece and a lower closing piece; the upper closing part comprises an upper fixing seat and an upper positioning seat, wherein the upper positioning seat is provided with a first sliding chute, the upper fixing seat is provided with a first sliding block which is inserted into the first sliding chute and slides in the first sliding chute, and the upper closing part also comprises a first inserting groove which is arranged on the upper fixing seat and is used for inserting and fixing the edge part of the background wall; the lower closing-in piece comprises a lower fixing seat and a lower positioning seat, wherein a second sliding groove used for accommodating the lower positioning seat is formed in the lower fixing seat, and a second inserting groove used for inserting the lower edge of the background wall is formed in the lower fixing seat; the lower positioning seat is accommodated in the second sliding groove, and the supporting balls are also abutted to the groove bottom of the second sliding groove, so that relative sliding between the lower fixing seat and the lower positioning seat is facilitated.

Further, still include and set up the arc spout in the tank bottom department of second spout, the arc spout with support ball surface contact. The support ball supports arc spout department in the second spout, and then prevents to support ball and lower fixing base area of contact too little messenger's local pressure intensity too big, and then leads to the tank bottom of second spout sunken, makes whole wall skew downwards, appears dimensional change, influences the use of wall. In addition, the arc-shaped sliding groove is matched with the accommodating groove and the second sliding groove to further limit the sliding of the lower fixing seat on the lower positioning seat, so that the sliding direction of the lower fixing seat is more accurate.

Further, the glue filling device further comprises a first glue pouring groove arranged at the groove bottom of the first inserting groove, and glue overflowing grooves are further arranged on two sides of the first glue pouring groove. And adding adhesive into the first adhesive applying groove, so that the edge of the background wall is fixedly connected with the upper fixing seat after being inserted into the first inserting groove. Moreover, redundant viscose in the first gluing groove can flow into the overflowing glue groove, so that the problem that the groove depth of the first inserting groove is not uniform due to excessive viscose in the gluing groove is avoided.

Furthermore, a partition plate is arranged between the first glue applying groove and the glue overflowing groove at intervals; an inclined slope surface is arranged at the end edge of the partition plate, so that one side of the partition plate, facing the first glue applying groove, is lower than one side of the partition plate, facing the glue overflowing groove; when the background wall is inserted into the first inserting groove, the glue solution overflows from the first gluing groove and overflows into the glue overflowing groove along the inclined ramp, so that the glue solution is prevented from being largely remained in the first inserting groove and influencing the shape of the first inserting groove after being cured.

Furthermore, a second glue applying groove is formed in the groove bottom of the second inserting groove, and a tooth-shaped protrusion is further arranged at the groove bottom of the second glue applying groove. The second glue applying groove provided with the dentate bulge structure can ensure that part of glue solution can be reserved in the second glue applying groove.

Furthermore, the glue pouring device also comprises a plurality of glue overflowing holes which are arranged on the groove wall of the second inserting groove at equal intervals. The lower fixing seat bears the weight of the background wall, and when the lower edge part of the background wall is inserted into the second inserting groove, the glue solution in the second gluing groove in the second inserting groove is extruded, so that the glue solution overflows into the second inserting groove and flows out along the glue overflowing hole; the glue solution is prevented from directly overflowing from the second glue applying notch and being reserved on the surface of the background wall, and the closing-up installation quality is reduced.

Furthermore, a bunch notch is also arranged on one side wall of the lower fixing seat, and the bunch notch and the glue overflow hole are arranged on the same side of the lower fixing seat; and a wire harness notch with the same specification is also arranged on one side wall of the upper fixing seat. When fixing base and last fixing base under the installation, the bunch opening all faces the wallboard direction, and the bunch opening cooperation wall forms the headspace, conveniently arranges the lamp area circuit.

Furthermore, the binding off device also comprises binding off lines which are respectively arranged on the other side wall of the lower fixed seat and the other side wall of the upper fixed seat, and the binding off lines and the binding line gaps are respectively positioned on two sides of the lower fixed seat or the upper fixed seat. The binding off lines that set up respectively on last fixing base and lower fixing base all expose when the installation, and the binding off lines is just at the soft binding off transition lines in background wall edge portion, still can compromise the skirting line effect.

Furthermore, the upper positioning seat and the lower positioning seat are respectively provided with a nailing groove, and nailing can be carried out at the nailing groove to fix the upper positioning seat to the top surface of the wall and fix the lower positioning seat to the bottom surface of the wall so as to fix the upper positioning seat and the lower positioning seat.

The invention also provides an installation method of the background wall edge closing structure, which comprises the following specific installation steps:

s1: measuring the size of a field installation wall surface, calculating the using quantity of the background wall and the closing-up structure, and marking the installation positions of the background wall and the closing-up structure before lifting the wall surface;

s2: the upper positioning seat and the lower positioning seat are respectively fixed at the installation mark positions of the top surface and the bottom surface of the wall in a screw fixing mode, screws are arranged in a left-right staggered mode, and the screw distance is adjusted on site according to the nail holding force;

s3: an upper fixing seat and a lower fixing seat are respectively inserted and installed at the upper side edge and the lower side edge of the background wall, and the background wall is connected with the upper fixing seat and the lower fixing seat in an adhesive manner by applying adhesive in the first adhesive applying groove and the second adhesive applying groove;

s4: putting the ball into the lower positioning seat, then sliding the combined piece of the background wall and the upper and lower fixing seats with the upper and lower positioning seats along the sliding chute direction, and sliding the background wall to a set position along the sliding chute direction;

s5: and arranging and adjusting the lamp belt line.

The invention has the beneficial effects that: the invention relates to a background wall edge closing structure, which comprises an upper closing piece and a lower closing piece; the upper closing part is arranged at the upper edge part of the background wall, and the lower closing part is arranged at the lower edge part of the background wall; the connection modes of the upper closing piece and the lower closing piece with the background wall are combined connection modes of splicing and gluing, the background wall cannot be damaged, the closing piece cannot be easily separated from the background wall, and stable connection can be kept.

In addition, as part of the assembly type background wall installation system, the lower closing-in piece bears most of the weight of the background wall, and the lower closing-in piece is installed below the background wall and can bear the weight of the background wall without easy deformation by virtue of the material characteristics of the lower closing-in piece. And the closing-in piece is used as a closing-in structure at the positions of the background wall, the top of the wall body and the bottom of the wall body to fill the gap between the background wall and the bottom and the top of the wall, so that a more competitive assembly type background wall product is obtained.

The background wall and the closing-in piece are installed in a sliding mode, and the whole installation is not labor-consuming and complicated; the dry hanging type and bonding installation mode of transmission is replaced, and the installation quality is higher.

The mounting method of the background wall edge closing-in structure provided by the invention is characterized in that the closing-in structure is guided to be mounted and connected with the background wall, and the closing-in structure and the wall body are guided to be mounted and fixed, so that the mounting efficiency of the background wall is improved, and the mounting quality of the background wall is ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

Fig. 1 is a schematic front view of an overall installation structure of a background wall edge closing structure according to an embodiment of the present invention;

fig. 2 is a schematic front view illustrating an installation structure of an upper closing member of a wall edge closing structure according to an embodiment of the present invention;

fig. 3 is a schematic front view illustrating an installation structure of a lower closing member of a wall edge closing structure according to an embodiment of the present invention;

fig. 4 is a schematic view of an overall installation structure of a wall edge closing structure according to an embodiment of the present invention;

fig. 5 is a schematic front view of an upper fixing seat of a wall edge portion closing structure according to an embodiment of the present invention;

fig. 6 is a schematic front view of a lower fixing seat of a background wall edge portion closing structure according to an embodiment of the present invention;

fig. 7 is a structural diagram of a lower fixing base of a wall edge closing structure according to an embodiment of the invention.

1-upper closing piece, 2-lower closing piece, 3-upper fixed seat, 4-upper positioning seat, 5-first sliding groove, 6-first sliding block, 7-first inserting groove, 8-lower fixed seat, 9-lower positioning seat, 10-second sliding groove, 11-second inserting groove, 12-accommodating groove, 13-supporting ball, 14-arc sliding groove, 15-first gluing groove, 16-glue overflowing groove, 17-spacing plate, 18-inclined slope surface, 19-second gluing groove, 20-tooth-shaped bulge, 21-glue overflowing hole, 22-bunch notch, 23-closing line and 24-nailing groove.

Detailed Description

In order to make the objects, 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 drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Referring to fig. 1 to 6, a wall edge portion closing structure according to an embodiment of the present invention includes an upper closing member 1 and a lower closing member 2, where the upper closing member 1 includes an upper fixing seat 3 and an upper positioning seat 4, and the lower closing member 2 includes a lower fixing seat 8 and a lower positioning seat 9; the upper positioning seat 4 is fixedly arranged at the marking position of the top marking of the wall by nailing, and the lower positioning seat 9 is fixedly arranged at the marking position of the bottom marking of the wall by nailing; the upper fixing seat 3 is provided with a first inserting groove 7 so that the upper fixing seat 3 can be inserted and connected with the upper edge of a background wall; the lower fixing seat 8 is provided with a second inserting groove 11 so that the lower fixing seat 8 can be inserted and connected with the lower edge of the background wall.

In this embodiment, the upper fixing base 3 is further provided with a first slider 6, the length of the first slider 6 is equivalent to the width of the upper fixing base 3, the upper positioning seat 4 is correspondingly provided with a first sliding groove 5, and the upper fixing base 3 is connected with the upper positioning seat 4 in a sliding manner in a manner that the first slider 6 is inserted into the first sliding groove 5 along the wall surface extending direction. The lower fixing seat 8 is provided with a second sliding groove 10, the width of the second sliding groove 10 is equivalent to that of the lower positioning seat 9, so that the lower positioning seat 9 can be completely accommodated in the second sliding groove 10, but the height of the lower positioning seat 9 is larger than the depth of the second sliding groove 10, and the lower fixing seat 8 can also slide along the wall surface extending direction to completely accommodate the lower positioning seat 9 into the second sliding groove 10.

Set up first slider 6 and be the triangular prism shape, set up first spout 5 triangular groove structure for when first slider 6 cunning was inserted first spout 5, realize line contact between first slider 6 and the first spout 5, reduce frictional force, make the relative slip between positioning seat 4 and the last fixing base 3 more smooth and easy. The lower closing member 2 should bear the weight of the background wall, and is not suitable for the sliding connection manner, but the lower fixing seat 8 is provided with the arc-shaped chute 14 facing downward, the lower positioning seat 9 is provided with the accommodating groove 12 facing upward, and the accommodating groove 12 is provided with the plurality of supporting balls 13, so that the lower fixing seat 8 and the lower positioning seat 9 slide relatively by the supporting balls 13 and slide smoothly.

A first inserting groove 7 facing to the right lower side is further formed in the upper fixing seat 3, and the width of the inserting groove is 1mm larger than the thickness of the background wall, so that the upper edge of the background wall can be conveniently inserted into the first inserting groove 7 in the earlier stage; the second inserting groove 11 is arranged on the lower fixing seat 8 to face towards the right upper side, and the groove width of the second inserting groove 11 is also larger than the thickness of the background wall by 1 mm.

As one preferable item of the present invention, a first glue applying groove 15 is additionally formed at the groove bottom surface of the first inserting groove 7, when the upper fixing seat 3 and the background wall are inserted and mounted in the early stage, glue is injected into the first glue applying groove 15, so that when the upper edge of the background wall is inserted into the first inserting groove 7, the glue overflows from the first glue applying groove 15 into the first inserting groove 7, and the fixing seat 3 and the background wall are fixedly connected by means of the glue.

As a supplementary embodiment of a preferred embodiment, two glue overflow grooves 16 are further formed on the bottom of the first inserting groove 7 and on two sides of the first gluing groove 15, and the glue overflow grooves 16 and the first gluing groove 15 are separated by a partition plate 17. The height of the partition board 17 is lower than the groove depth of the glue overflow groove 16, the end edge of the glue overflow groove 16 is arranged in a shape of an inclined slope 18, and the inclined slope 18 enables the side wall of the partition board 17 close to the first glue applying groove 15 to be lower than the side wall of the partition board close to the glue overflow groove 16, so that redundant glue in the first glue applying groove 15 can conveniently flow into the glue overflow groove 16 along the inclined slope 18.

As a second preferred item of the present embodiment, a second glue applying groove 19 is also formed at the groove bottom of the second inserting-connecting groove 11, however, in the present embodiment, the second glue applying groove 19 is paved over the entire groove bottom of the second inserting-connecting groove 11, a tooth-shaped protrusion 20 is disposed at the groove bottom of the second glue applying groove 19, the glue storage function of the second glue applying groove 19 is retained, the tooth-shaped protrusion 20 is directly contacted with the lower edge of the background wall when bearing the weight of the background wall, and the second glue applying groove 19 is prevented from being directly deformed by extrusion, so that the whole glue solution in the second glue applying groove 19 is extruded, the glue fixing effect is deteriorated, and the background wall slides out from the lower fixing seat 8.

As a supplementary embodiment of the second preferred embodiment, a plurality of glue overflow holes 21 are formed in the wall of the second inserting groove 11 at equal intervals, and when the lower fixing seat 8 is installed, the glue overflow holes 21 face one side of the wall surface, so that the redundant glue solution injected into the second gluing groove 19 can flow onto the wall surface from the glue overflow holes 21, and the redundant glue solution in the second gluing groove 19 is guided out while the exposed surface of the background wall is ensured to be free from glue solution.

As a third preferred item of this embodiment, the lower fixing base 8 and the wall-near side of the upper fixing base 3 are both provided with a wire harness notch 22, the wall is required to be matched with light when being installed and used, and the wire harness notch 22 is used for limiting the light strip circuit in the enclosed space formed by the wire harness notch 22 and the wall surface, so that the light wire is reasonably arranged, and the fire hazard is reduced.

Go up one side that deviates from the wall of fixing base 3 and lower fixing base 8 and then set up binding off lines 23, binding off lines 23 extends to wall crown or wall bottom from the wall and fixing base junction, forms transition lines structure, closes up between wall and wall crown, shelters from the installation vestige at the bottom of wall and wall, wall.

As a fourth preferred embodiment, the upper positioning seat 4 and the lower positioning seat 9 are both provided with nail connecting grooves 24, so that nailing at the nail connecting grooves 24 is more convenient.

Supplementing: the background wall in this embodiment is a stone background wall board.

The specific embodiment of the present invention further includes an installation method of the closing structure of the edge portion of the background wall as mentioned in any of the above embodiments, which includes the following specific installation steps:

s1: measuring the size of a field installation wall surface, calculating the using quantity of the background wall and the closing-up structure, and marking the installation positions of the background wall and the closing-up structure before lifting the wall surface;

s2: the upper positioning seat 4 and the lower positioning seat 9 are respectively fixed at the installation mark positions of the top surface and the bottom surface of the wall in a screw fixing mode, screws are arranged in a left-right staggered mode, and the screw distance is adjusted on site according to the nail holding power;

s3: an upper fixing seat and a lower fixing seat 8 are respectively inserted and installed at the upper side edge and the lower side edge of the background wall, and the background wall is connected with the upper fixing seat and the lower fixing seat 8 in an adhesive manner by gluing in a first gluing groove 15 and a second gluing groove 19;

s4: putting the support balls 13 into the lower positioning seat 9, then sliding the combined piece of the background wall and the upper and lower fixing seats with the upper positioning seat 4 and the lower positioning seat 9 along the sliding groove direction simultaneously, and sliding the background wall to a set position along the sliding groove direction;

s5: and arranging and adjusting the lamp belt line.

Where not mentioned above, all are applicable to the prior art.

Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.