CN219794478U - Reentrant corner line and reentrant corner mounting structure - Google Patents

Abstract

The utility model discloses an internal corner line and an internal corner mounting structure, wherein the internal corner line comprises an inner plate and an outer plate; the inner plate and the outer plate are connected through a fixing piece, the fixing piece comprises a fixing plate, the fixing plate comprises a first area, a second area and a third area, the first area is connected with the end part of the inner plate, the third area is connected with the wall body, the first area is connected with the outer plate through a first connecting plate, and the first connecting plate is provided with a protruding part; or the inner plate and the outer plate are connected through a second connecting plate; the two ends of the internal corner line inner plate are connected with the outer plate through fixing pieces, or one end of the inner plate is connected with the outer plate through fixing pieces, and the other end of the inner plate is connected with the outer plate through a second connecting plate. The utility model ensures that the reentrant corner line cannot be separated from the wall body, can adapt to wallboards with various thicknesses, realizes quick installation and disassembly of the wallboards, avoids falling of the wallboards, and also avoids hidden quality problems such as splice joint, wallboard warping and the like.

Description

Reentrant corner line and reentrant corner mounting structure

Technical Field

The utility model relates to the technical field of building materials, in particular to an internal corner line and an internal corner mounting structure.

Background

In the existing building structure, the wall body and the wall body can form an internal corner, when the building structure is decorated by using the wall board generally, the use mode of the existing wall board is to directly splice two wall boards together, so that a splicing gap between the wall board and the wall board can be seen on one side of the exposed surface of the wall board, and the attractive appearance of the building is affected.

Prior art (CN 210597944U) provides an reentrant corner line, including pasting wallboard, splint groove plate and curved surface decorative board, it is fixed with the wall body to paste the wallboard, drops easily, pastes the slot that wallboard and splint groove plate formed U type structure, and the direct insertion wallboard in the slot, the width of slot need match with the thickness of wallboard, and every reentrant corner line only is suitable for the wallboard of one kind of thickness, can't combine with the wallboard of other thickness simultaneously, and the slot is also fixed with the wallboard in this scheme simultaneously, and the wallboard drops very easily in the use.

Therefore, there is a need to provide an inside corner line and inside corner wall mounting structure, which not only can prevent the inside corner line from being separated from the wall, but also can avoid the problem that the same inside corner line cannot simultaneously adapt to wallboards with various thicknesses and cannot be quickly mounted and dismounted between the wallboards and the wall.

Disclosure of Invention

In view of the above, the utility model provides an internal corner line, which comprises an inner plate, wherein an outer plate is arranged on one side of the inner plate far away from the internal corner, the inner plate is a flat plate, the outer plate is a C-shaped plate, the C-shaped plate protrudes towards the direction close to the inner plate, and the inner plate is not parallel to two walls forming the internal corner;

the fixing piece comprises a fixing plate, the fixing plate comprises a first area, a second area and a third area which are sequentially connected, the end part of the first area, which is far away from the second area, is connected with the end part of the inner plate, the third area is connected with the wall through a screw, the first area and the third area are both flat plates, the second area is a C-shaped plate, the C-shaped plate protrudes towards the direction far away from the wall, the first area and the third area extend along a first direction, the first direction is the extending direction of the wall, the first area is connected with the outer plate through a first connecting plate, the first connecting plate extends along a second direction, the second direction is intersected with the first direction, the first connecting plate is a flat plate, the end part of the first connecting plate, which is far away from the first area, is connected with the middle part of the outer plate, one side of the first connecting plate, which is far away from the inner plate, is provided with a protruding part extending along the first direction, the protruding part comprises a first protruding part, the protruding part is arranged on one side, the protruding part of the first side, the protruding part, which is close to the first protruding part and the width of the first connecting plate is far from the first side, the protruding part is smaller than the protruding part, and the width of the protruding part, which is close to the first side of the first side, and the protruding part is far from the first side, and the protruding part is smaller than the protruding part, and the protruding part is connected with the first side; or alternatively, the process may be performed,

one side of the inner plate and the outer plate, which is close to the same wall body, is connected through a second connecting plate, the second connecting plate is a flat plate, the end part of the second connecting plate, which is close to the inner plate, is connected with the end part of the inner plate, and the end part of the second connecting plate, which is far away from the inner plate, is connected with the middle part of the outer plate;

the both ends of inner panel are all connected with the planking through the mounting, or, the one end of inner panel is connected with the planking through the mounting, and the other end of inner panel is connected with the planking through the second connecting plate.

Optionally, a third area slit extending along a third direction is formed on one side, far away from the wall, of the third area, and the third direction intersects with the first direction and the second direction in pairs.

Optionally, at least one reinforcing plate is connected between the inner plate and the outer plate, the reinforcing plate is a flat plate, the end part of the reinforcing plate, which is close to the inner plate, is connected with the middle part of the inner plate, and the end part of the reinforcing plate, which is far away from the inner plate, is connected with the middle part of the outer plate.

Optionally, the second protrusion has a trapezoid, triangle or sector shape.

Optionally, a distance between an end of the outer plate close to the first connecting plate and an end of the first connecting plate close to the outer plate is a, and a is 1.5mm or less and 2.5mm or less.

Optionally, a distance between an end of the first connecting plate near the outer plate and an end of the first protruding portion near the outer plate is b, and b is 5.5 mm.ltoreq.b.ltoreq.6.5 mm.

Optionally, an included angle alpha is formed between the inner plate and the second connecting plate, and the included angle alpha is 130 degrees or more and 140 degrees or less.

Optionally, the inner plate, the outer plate, the fixing piece and the second connecting plate are of an integrated structure.

The utility model also provides an internal corner mounting structure, which comprises an internal corner and at least two wallboards, wherein the internal corner is formed by intersecting a first wall body and a second wall body, the first wall body extends along a first direction, the second wall body extends along a second direction, the first direction and the second direction intersect, the wallboards comprise a first wallboard corresponding to the first wall body and a second wallboard corresponding to the second wall body, the first wallboard extends along the first direction, the second wallboard extends along the second direction, the first wallboard and the second wallboard are connected with the internal corner through internal corner lines, and the internal corner lines are the internal corner lines in any embodiment;

the first wallboard is provided with a first wallboard milling groove extending along a first direction, and the second wallboard is provided with a second wallboard milling groove extending along a second direction;

when one side of the inner plate, which is close to the first wallboard, is connected with the outer plate through the fixing piece, and one side of the inner plate, which is far away from the first wallboard, is connected with the outer plate through the second connecting plate, the protruding part is inserted into the milling groove of the first wallboard, the protruding part corresponds to the milling groove of the first wallboard, and the end part, which is close to the second wallboard, of the outer plate is abutted against the second wallboard;

when one side of the inner plate, which is close to the second wallboard, is connected with the outer plate through the fixing piece, and one side of the inner plate, which is far away from the second wallboard, is connected with the outer plate through the second connecting plate, the protruding part is inserted into the milling groove of the second wallboard, the protruding part corresponds to the milling groove of the second wallboard, and the end part, which is close to the first wallboard, of the outer plate is abutted against the first wallboard;

when both ends of the inner plate are connected with the outer plate through the fixing piece, the two protruding parts are respectively inserted into the first wallboard milling groove and the second wallboard milling groove, and the two protruding parts correspond to the first wallboard milling groove and the second wallboard milling groove respectively.

Optionally, the thickness of the first wall plate in the second direction is the same as the thickness of the second wall plate in the first direction; alternatively, the thickness of the first wall panel in the second direction is different from the thickness of the second wall panel in the first direction.

Compared with the prior art, the internal corner line and internal corner mounting structure provided by the utility model at least has the following beneficial effects:

according to the internal corner line and the internal corner mounting structure provided by the utility model, the internal corner line is fixedly connected with the wall body through the fixing piece at least at one end, so that the internal corner line is prevented from being separated from the wall body, the same internal corner line is ensured to be simultaneously suitable for wallboards with various thicknesses through the protruding part and/or the second connecting plate, the wallboards are quickly mounted and dismounted, the wallboards are prevented from falling off when being fixed, the problems of damage to the wall body, quality hidden troubles such as splice joint and warpage of the wallboards caused by glue are avoided, the internal corner line can be suitable for internal corners with different angles, the application range is wide, and meanwhile, the internal corner line has the advantages of labor saving, time saving, material saving, durability and the like in mounting; in addition, the internal corner line can cover wall joints, so that decoration in a building is more stereoscopic.

Of course, it is not necessary for any one product embodying the utility model to achieve all of the technical effects described above at the same time.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is a schematic view of the structure of an reentrant corner line provided by the present utility model;

FIG. 2 is a perspective view of the reentrant line of FIG. 1;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of a further internal corner line structure provided by the present utility model;

FIG. 5 is a schematic view of an inside corner mounting structure according to the present utility model;

FIG. 6 is a schematic view of a further female corner mounting structure provided by the present utility model;

fig. 7 is a schematic view of another internal corner mounting structure provided by the present utility model.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Referring to fig. 1-4, fig. 1 is a schematic view of an internal corner line according to the present utility model; FIG. 2 is a perspective view of the reentrant line of FIG. 1; FIG. 3 is an enlarged view at A in FIG. 2; fig. 4 is a schematic view of a further internal corner line according to the present utility model. The embodiment provides an internal corner line 100, which comprises an inner plate 110, wherein an outer plate 120 is arranged on one side, far away from an internal corner, of the inner plate 110, the inner plate 110 is a flat plate, the outer plate 120 is a C-shaped plate, the C-shaped plate protrudes towards the direction close to the inner plate 110, and the inner plate 110 is not parallel to two walls forming the internal corner;

one side of the inner plate 110 and the outer plate 120, which are close to the same wall, is connected through a fixing member 130, the fixing member 130 includes a fixing plate 131, the fixing plate 131 includes a first region 1311, a second region 1312 and a third region 1313, which are sequentially connected, an end of the first region 1311, which is far from the second region 1312, is connected with an end of the inner plate 110, the third region 1313 is connected with the wall through a screw, the first region 1311 and the third region 1313 are both flat plates, the second region 1312 is a C-shaped plate, the C-shaped plate protrudes in a direction far from the wall, the first region 1311 and the third region 1313 are both extended in a first direction X, the first direction X is an extension direction of the wall, the first region 1311 is connected with the outer plate 120 through a first connection plate 132, the first connection plate 132 is extended in a second direction Y, the second direction Y is intersected with the first direction X, the first connection plate 132 is a flat plate, the end of the first connecting plate 132 near the first region 1311 is connected with the middle of the first region 1311, the end of the first connecting plate 132 far from the first region 1311 is connected with the middle of the outer plate 120, one side of the first connecting plate 132 far from the inner plate 110 is provided with a protruding part 133 extending along the first direction X, the protruding part 133 comprises a first protruding part 1331, the first protruding part 1331 is a flat plate, the end of the first protruding part 1331 near the first connecting plate 132 is connected with the middle of the first connecting plate 132, the end of the first protruding part 1331 far from the first connecting plate 132 is connected with a second protruding part 1332, the width of one side of the first protruding part 1331 near the second protruding part 1332 is smaller than the width of one side of the second protruding part 1332 near the first protruding part 1331, and the width of one side of the second protruding part 1332 far from the first protruding part 1331 is smaller than the width of one side of the second protruding part 1332 near the first protruding part 1331; or alternatively, the process may be performed,

one side of the inner plate 110 and the outer plate 120, which is close to the same wall body, is connected through a second connecting plate 140, the second connecting plate 140 is a flat plate, the end part of the second connecting plate 140, which is close to the inner plate 110, is connected with the end part of the inner plate 110, and the end part of the second connecting plate 140, which is far away from the inner plate 110, is connected with the middle part of the outer plate 120;

both ends of the inner plate 110 are connected to the outer plate 120 through the fixing members 130, or one end of the inner plate 110 is connected to the outer plate 120 through the fixing members 130, and the other end of the inner plate 110 is connected to the outer plate 120 through the second connection plate 140.

Specifically, the reentrant corner line 100 provided in this embodiment includes an inner plate 110, an outer plate 120 is disposed on one side of the inner plate 110 away from the reentrant corner, the inner plate 110 is a flat plate, the outer plate 120 is a C-shaped plate, the C-shaped plate protrudes toward a direction close to the inner plate 110, the outer plate 120 has an arc, the cross section of the outer plate is C-shaped, and the C-shape may be a quarter arc; the inner plate 110 is not parallel to the two walls forming the internal corners, the inner plate 110 is used for connecting the fixing piece 130 and/or the second connecting plate 140 which are in contact with the walls, and the outer plate 120 plays a role in decoration;

referring to fig. 1-2, one side of the inner plate 110 and the outer plate 120, which is close to the same wall, is connected through a fixing piece 130, the fixing piece 130 comprises a fixing plate 131, the fixing plate 131 comprises a first area 1311, a second area 1312 and a third area 1313 which are sequentially connected, the end part of the first area 1311, which is far away from the second area 1312, is connected with the end part of the inner plate 110, the third area 1313 is connected with the wall 20 through a screw, the first area 1311 and the third area 1313 are both flat plates, the first area 1311 is parallel to the wall contacted with the fixing piece 130, the wall plate can be parallel to the wall when the wall plate is installed later, the wall plate is prevented from being skewed, and the third area 1313 is also parallel to the wall contacted with the fixing piece 130, so that damage to the wall due to unevenness can be avoided; the second area 1312 is a C-shaped plate, the C-shaped plate protrudes in a direction away from the wall, the second area 1312 has an arc, the cross section is in a C shape, the C shape can be a quarter arc, the second area 1312 is used for connecting the first area 1311 and the third area 1313, and the transition from the fixing piece 130 and the wall mounting area to the fixing piece 130 and the wall mounting area is realized; the first area 1311 and the third area 1313 both extend along a first direction X, the first direction X is an extending direction of the wall body, the first area 1311 is connected with the outer plate 120 through the first connecting plate 132, the first connecting plate 132 extends along a second direction Y, the second direction Y intersects the first direction X, optionally, the second direction Y is perpendicular to the first direction X, the first connecting plate 132 is a flat plate, an end portion of the first connecting plate 132 close to the first area 1311 is connected with a middle portion of the first area 1311, an end portion of the first connecting plate 132 far from the first area 1311 is connected with a middle portion of the outer plate 120, namely, a position where the end portion of the outer plate 120 is connected with the first connecting plate 132 is provided with a certain protrusion, when the fixing piece 130 is connected with the wall plate, the wall plate can be limited by the protrusion, the wall plate is fixed, the wall plate is prevented from shaking, the reentrant corner line 100 can be applicable to various types of wall plates, such as wall plates with thickness of 15mm or 18mm, and wall plates with other thicknesses can be adapted;

the first connecting plate 132 is provided with a protruding part 133 extending along the first direction X at one side far away from the inner plate 110, the protruding part 133 realizes the connection between the fixing piece 130 and the wallboard, the wallboard is provided with a wallboard milling groove, and the protruding part 133 can be inserted into the wallboard milling groove to realize the fixation of the reentrant corner line 100 and the wallboard; the protruding portion 133 includes a first protruding portion 1331, the first protruding portion 1331 is a flat plate, the end portion of the first protruding portion 1331, which is close to the first connecting plate 132, is connected with the middle portion of the first connecting plate 132, the end portion of the first protruding portion 1331, which is far away from the first connecting plate 132, is connected with a second protruding portion 1332, the width of the side, which is close to the second protruding portion 1332, of the first protruding portion 1331 is smaller than the width of the side, which is close to the first protruding portion 1331, of the second protruding portion 1332, which is close to the first protruding portion 1331, is smaller than the width of the side, which is close to the first protruding portion 1331, of the second protruding portion 1332, and the width, which is close to the second protruding portion 1332, of the first protruding portion 1331 is connected with the wall plate, is more firm in connection, and can adapt to wall plates with different thicknesses, and the application range is wider; or alternatively, the process may be performed,

referring to fig. 1-2, one side of the inner plate 110 and the outer plate 120, which is close to the same wall, is connected through a second connecting plate 140, the second connecting plate 140 is a flat plate, the end part of the second connecting plate 140, which is close to the inner plate 110, is connected with the end part of the inner plate 110, the end part of the second connecting plate 140, which is far away from the inner plate 110, is connected with the middle part of the outer plate 120, namely, the position, at which the end part of the outer plate 120 is connected with the outer plate 120, is provided with a certain bulge, when the reentrant corner line 100 is connected with the wallboard, the bulge is abutted against one side, which is far away from the wall, of the wallboard, the wallboard can be fixed to a certain extent, whether the second connecting plate 140 is parallel to the wall is not limited, the reentrant corner line 100 is movably connected with the wallboard, and the wallboard can be detached at any time, and the wallboard with any thickness is adapted;

referring to fig. 4, both ends of the inner panel 110 are connected to the outer panel 120 through the fixing members 130, and since both ends of the fixing members 130 are required to be connected to the wall, the internal corner line 100 is more suitable for an internal corner having an included angle of 90 °; or alternatively, the process may be performed,

referring to fig. 1 to 2, one end of the inner panel 110 is connected to the outer panel 120 through the fixing member 130, and the other end of the inner panel 110 is connected to the outer panel 120 through the second connection plate 140, and since only one end having the fixing member 130 needs to be connected to a wall, the internal corner line 100 is adapted to internal corners having an included angle of 90 ° and internal corners having other included angles;

since the inside corner line 100 needs to be fixedly connected with the wall when in use, at least one end of the inner plate 110 needs to be connected with the outer plate 120 through the fixing member 130, therefore, the inside corner line 100 provided in this embodiment has two structures, one is shown in fig. 4, two ends of the inner plate 110 in the inside corner line 100 are connected with the outer plate 120 through the fixing member 130, and the other is shown in fig. 1, one end of the inner plate 110 in the inside corner line is connected with the outer plate 120 through the fixing member 130, and the other end of the inner plate 110 is connected with the outer plate 120 through the second connecting plate 140;

it should be noted that, if both ends of the inner plate 110 in the inside corner line 100 are connected to the outer plate 120 through the second connection plate 140, the inside corner line 100 cannot be fixed to the wall when the inside corner line 100 is used, and normal installation of the wall plate cannot be achieved;

the internal corner line 100 can be made of aluminum, has the advantages of strong corrosion resistance, wear resistance, weather resistance, high hardness, easy processing and the like when the surface of the aluminum is easy to carry out other treatments, and the internal corner line 100 can be flexibly adjusted according to actual conditions;

it should be noted that, parameters such as length, width, thickness of the board and the like of the reentrant angular line 100 can be flexibly adjusted according to actual situations;

in specific use, the internal corner line 100 is arranged at the internal corner, the third area 1313 is fixedly connected with the wall body through a screw, then one side with the fixing piece 130 is spliced with the wall board, and one side with the second connecting plate 140 is abutted with the wall board, so that the internal corner line 100, the wall board and the internal corner are installed; how to install the device can be further specified according to practical situations, and the device is not limited herein.

According to the embodiment, the reentrant angular wire provided by the embodiment at least realizes the following beneficial effects:

according to the internal corner line, the fixing piece at least one end is fixedly connected with the wall body, so that the internal corner line is prevented from being separated from the wall body, the same internal corner line is ensured to be suitable for wallboards with various thicknesses at the same time through the protruding part and/or the second connecting plate, the wallboards are quickly installed and detached, the wallboards are prevented from falling off when being fixed, the problems of damage to the wall body, hidden quality hazards such as splice seam and warpage of the wallboards and the like caused by glue are avoided, the internal corner line can be suitable for internal corners of different angles, the application range is wide, and meanwhile the internal corner line has the advantages of labor and time saving, material saving, durability and the like during installation; in addition, the internal corner line can cover wall joints, so that decoration in a building is more stereoscopic.

In an alternative embodiment, as shown in fig. 2-4, a third area slit 13130 extending along a third direction Z is formed on a side of the third area 1313 away from the wall, where the third direction Z intersects the first direction X and the second direction Y in pairs.

Specifically, the third area slit 13130 has a certain depth, the width of the third area 1313 in the second direction Y in which the third area slit 13130 is formed is smaller than the width of the third area 1313 in the second direction Y, when the reentrant angular wire 100 needs to be installed, a screw hole can be formed in the third area slit 13130, and a screw passes through the screw hole to realize the fixed connection between the reentrant angular wire 100 and the wall; the number and the positions of the screw holes can be flexibly adjusted according to actual conditions.

In an alternative embodiment, as shown in fig. 1-2 and 4, at least one reinforcing plate 150 is connected between the inner plate 110 and the outer plate 120, the reinforcing plate 150 is a flat plate, the end portion of the reinforcing plate 150 near the inner plate 110 is connected to the middle portion of the inner plate 110, and the end portion of the reinforcing plate 150 far from the inner plate 110 is connected to the middle portion of the outer plate 120.

Specifically, in this embodiment, two reinforcing plates 150 parallel to each other are provided, and the reinforcing plates 150 are all flat plates, as shown in fig. 1, three areas are formed among the two reinforcing plates 150, the inner plate 110, the outer plate 120, the second connecting plate 140 and the fixing member 130, the three areas are all in irregular shapes, the area near the fixing member 130 is larger than the area near the second connecting plate 140, when the fixing member 130 is spliced with the wallboard, the area near the fixing member 130 can share larger pressure, and damage to the reentrant corner 100 due to uneven stress is avoided;

as shown in fig. 4, three areas are formed among the two reinforcing plates 150, the inner plate 110, the outer plate 120 and the two fixing pieces 130, wherein the three areas are in irregular shapes, the area of the area close to the fixing piece 130 is equal to the area close to the second connecting plate 140, when the two fixing pieces 130 are respectively spliced with the wallboard, the two areas close to the fixing pieces 130 can share larger pressure, so that damage to the reentrant corner line 100 due to uneven stress is avoided;

the reinforcing plate 150 is used for reinforcing the connection between the inner plate 110 and the outer plate 120, increasing the strength of the internal corner line 100, and simultaneously has the functions of balancing the stress of the internal corner line 100 and stabilizing the structure of the whole internal corner line 100, so long as the function can be achieved, the number, shape and position relationship of the reinforcing plate 150 can be flexibly adjusted according to the actual situation.

In an alternative embodiment, with continued reference to fig. 1 and 4, the second tab 1332 is trapezoidal, triangular, or fan-shaped in shape.

Specifically, the second protrusion 1332 is used to achieve the fixed connection of the reentrant wire 100 with the wall panel and fix the wall panel, and as long as the function can be achieved, other shapes besides a trapezoid, a triangle or a fan can be selected, and the shape of the second protrusion 1332 can be flexibly adjusted according to the actual situation.

In an alternative embodiment, with continued reference to FIGS. 1 and 4, the distance between the end of the outer panel 120 adjacent the first connecting plate 132 and the end of the first connecting plate 132 adjacent the outer panel 120 is a,1.5 mm.ltoreq.a.ltoreq.2.5 mm.

Specifically, in order to ensure that the outer panel 120 can fix the wallboard, a certain distance needs to be provided between the end of the outer panel 120 near the first connecting plate 132 and the end of the first connecting plate 132 near the outer panel 120, by which the wallboard can be blocked and/or fixed;

if the distance between the end of the outer plate 120 close to the first connecting plate 132 and the end of the first connecting plate 132 close to the outer plate 120 is less than 1.5mm, the blocking and/or fixing effect on the wallboard cannot be achieved, and if the distance between the end of the outer plate 120 close to the first connecting plate 132 and the end of the first connecting plate 132 close to the outer plate 120 is greater than 2.5mm, the waste of the outer plate 120 material can be caused, therefore, the distance range between the end of the outer plate 120 close to the first connecting plate 132 and the end of the first connecting plate 132 close to the outer plate 120 is set to be 1.5mm less than or equal to a less than or equal to 2.5mm, the blocking and/or fixing effect on the wallboard by the outer plate 120 can be guaranteed, and meanwhile, the waste of the outer plate 120 material can be avoided; specifically, the distance between the end of the outer plate 120 near the first connecting plate 132 and the end of the first connecting plate 132 near the outer plate 120 may be 1.5mm, 1.75mm, 2mm, 2.5mm, or 2.5mm.

In an alternative embodiment, with continued reference to FIGS. 1 and 4, the distance between the end of the first connecting plate 132 adjacent to the outer plate 120 and the end of the first tab 1331 adjacent to the outer plate 120 is b,5.5 mm.ltoreq.b.ltoreq.6.5 mm.

Specifically, if the distance between the end of the first connecting plate 132 near the outer plate 120 and the end of the first protrusion 1331 near the outer plate 120 is less than 5.5mm, the wallboard cannot be spliced with the reentrant corner line 100, and if the distance between the end of the first connecting plate 132 near the outer plate 120 and the end of the first protrusion 1331 near the outer plate 120 is greater than 6.5mm, the spliced wallboard cannot be contacted with the end of the outer plate 120 near the first connecting plate 132, resulting in unstable wallboard installation; therefore, the distance between the end of the first connecting plate 132 near the outer plate 120 and the end of the first protrusion 1331 near the outer plate 120 is set to be 5.5 mm.ltoreq.b.ltoreq.6.5 mm, not only the normal splicing of the wallboard and the reentrant corner line 100 can be ensured, but also the unstable installation of the wallboard can be avoided; specifically, the distance between the end of the first connection plate 132 near the outer plate 120 and the end of the first protrusion 1331 near the outer plate 120 may be 5.5mm, 5.75mm, 6mm, 6.25mm, or 6.5mm;

it should be noted that, the distance between the end of the first connecting plate 132 near the outer plate 120 and the end of the first protrusion 1331 near the outer plate 120 can be flexibly adjusted according to the distance between the wallboard milling groove on the wallboard and the wallboard surface.

In an alternative embodiment, with continued reference to FIGS. 1-2, the inner plate 110 and the second web 140 have an included angle α, 130+.α.ltoreq.140 °.

Specifically, if the included angle between the inner plate 110 and the second connecting plate 140 is smaller than 130 °, the supporting effect of the second connecting plate 140 on the inner plate 110 and the outer plate 120 is reduced, and if the included angle between the inner plate 110 and the second connecting plate 140 is larger than 140 °, the waste of materials is caused, so that the included angle range between the inner plate 110 and the second connecting plate 140 is set to be 130 ° or more and α or less than 140 °, the supporting effect of the second connecting plate 140 on the inner plate 110 and the outer plate 120 is ensured, and the waste of materials is avoided; specifically, the included angle α between the inner panel 110 and the second connection plate 140 may be 130 °, 132 °, 134 °, 136 °, 138 °, or 140 °.

In an alternative embodiment, with continued reference to FIGS. 1-2, the inner panel 110, the outer panel 120, the securing member 130, and the second connecting panel 140 are of unitary construction.

Specifically, the inner panel 110, the outer panel 120, the fixing member 130, and the second connection plate 140 are provided as an integrated structure, so that the stability of the reentrant angular 100 can be ensured to the maximum extent.

The present embodiment provides an internal corner mounting structure, and referring to fig. 5 to 7, fig. 5 is a schematic structural view of the internal corner mounting structure provided by the present utility model; FIG. 6 is a schematic view of a further female corner mounting structure provided by the present utility model; fig. 7 is a schematic view of another internal corner mounting structure provided by the present utility model. The internal corner mounting structure provided in this embodiment includes an internal corner 2 and at least two wall boards 30, the internal corner 2 is formed by intersecting a first wall body 21 and a second wall body 22, the first wall body 21 extends along a first direction X, the second wall body 22 extends along a second direction Y, the first direction X intersects with the second direction Y, optionally, the first direction X is perpendicular to the second direction Y, the wall boards 30 include a first wall board 31 corresponding to the first wall body 21 and a second wall board 32 corresponding to the second wall body 22, the first wall board 31 extends along the first direction X, the second wall board 32 extends along the second direction Y, the first wall board 31 and the second wall board 32 are connected with the internal corner 2 through an internal corner line 100, and the internal corner line 100 is the internal corner line 100 in any embodiment described above;

the first wallboard 31 is provided with a first wallboard milling groove 310 extending along a first direction X, and the second wallboard 32 is provided with a second wallboard milling groove 320 extending along a second direction Y;

when one side of the inner plate 110, which is close to the first wallboard 31, is connected with the outer plate 120 through the fixing piece 130, and one side of the inner plate 110, which is far away from the first wallboard 31, is connected with the outer plate 120 through the second connecting plate 140, the protruding part 133 is inserted into the first wallboard milling groove 310, the protruding part 133 corresponds to the first wallboard milling groove 310, and the end part of the outer plate 120, which is close to the second wallboard 32, is abutted against the second wallboard 32;

when one side of the inner plate 110, which is close to the second wallboard 32, is connected with the outer plate 120 through the fixing piece 130, and one side of the inner plate 110, which is far away from the second wallboard 32, is connected with the outer plate 120 through the second connecting plate 140, the protruding part 133 is inserted into the second wallboard milling groove 320, the protruding part 133 corresponds to the second wallboard milling groove 320, and the end part of the outer plate 120, which is close to the first wallboard 31, is abutted against the first wallboard 31;

when both ends of the inner plate 110 are connected with the outer plate 120 through the fixing piece 130, the two protruding portions 133 are respectively inserted into the first wall plate milling groove 310 and the second wall plate milling groove 320, and the two protruding portions 133 respectively correspond to the first wall plate milling groove 310 and the second wall plate milling groove 320.

Specifically, the internal corner 2 is a common structure in a building, the internal corner 2 can be formed by intersecting two first walls 21 and second walls 22 which are perpendicular to each other, the wallboard 30 is usually installed at the internal corner 2 during decoration, and the wallboard 30 is not directly adhered to the wall 20 by staff due to the fact that the later work of replacement, maintenance and the like of the wallboard 30 is involved, so that the wallboard 30 is prevented from being damaged by the disassembly of the wallboard 30, the connection of the wallboard 30 and the wall 20 can be realized through the internal corner line 100, and when the later work of replacement, maintenance and the like of the wallboard 30 is carried out, only the wallboard 30 is required to be separately disassembled, and the internal corner line 100 is kept unchanged and does not have any adverse effect on the wall 20;

two ends of the adjacent inner plate 110 and outer plate 120 are connected, one is that one end is connected through a fixing piece 130, the other end is connected through a second connecting plate 140, and the other is that the two ends are connected through the fixing piece 130; thus, when the reentrant cord 100, the wall panel 30, and the same reentrant corner 2 are connected, three connection modes occur:

as shown in fig. 5, the wall 20 includes a first wall 21 extending along a first direction X and a second wall 22 extending along a second direction Y, the first wall 21 is perpendicular to the second wall 22, an internal corner line 100 having a fixing member 130 at only one end is adopted, the fixing member 130 is disposed at the first wall 21, a second connecting plate 140 is disposed at the second wall 22, a screw hole is formed in a third region slit 13130, a screw passes through the screw hole, the internal corner line 100 is fixedly connected with the first wall 21, then a protrusion 133 is inserted into a first wall plate milling groove 310 to realize connection of the internal corner line 100 with the first wall plate 31, then an end portion of the outer plate 120 close to the second wall plate 32 is abutted against the second wall plate 32 to realize connection of the internal corner line 100 with the second wall plate 32;

as shown in fig. 6, the wall 20 includes a first wall 21 extending along a first direction X and a second wall 22 extending along a second direction Y, the first wall 21 is perpendicular to the second wall 22, an internal corner line 100 having a fixing member 130 at only one end is adopted, the fixing member 130 is disposed at the second wall 22, a second connecting plate 140 is disposed at the first wall 21, a screw hole is formed in a third region slit 13130, a screw passes through the screw hole, the internal corner line 100 is fixedly connected with the second wall 22, then a protrusion 133 is inserted into a second wall milling groove 320 to realize connection of the internal corner line 100 and the second wall 32, then an end portion of the outer plate 120 close to the first wall plate 31 is abutted against the first wall plate 31 to realize connection of the internal corner line 100 and the first wall plate 31;

as shown in fig. 7, the wall 20 includes a first wall 21 extending along a first direction X and a second wall 22 extending along a second direction Y, the first wall 21 is perpendicular to the second wall 22, two fixing members 130 are respectively disposed at the first wall 21 and the second wall 22 by adopting an internal corner line 100 with fixing members 130 at both ends, screw holes are respectively formed in two third area slits 13130, screws respectively pass through the screw holes at both ends, both ends of the internal corner line 100 are respectively fixedly connected with the first wall 21 and the second wall 22, and then two protruding portions 133 are respectively inserted into a first wallboard milling groove 310 and a second wallboard milling groove 320, so as to realize connection of the internal corner line 100 with the first wallboard 31 and the second wallboard 32.

According to the embodiment, the inside corner mounting structure provided by the utility model has the following beneficial effects:

the internal corner mounting structure provided by the utility model can realize the connection between the wallboard and the wall body, improves the mounting efficiency of the wallboard, can realize repeated replacement of the wallboard, is beneficial to reducing the time cost and improves the working efficiency.

In an alternative embodiment, with continued reference to fig. 5-7, the thickness of the first wall panel 31 in the second direction Y is the same as the thickness of the second wall panel 32 in the first direction X; alternatively, the thickness of the first wall plate 31 in the second direction Y is different from the thickness of the second wall plate 32 in the first direction X.

Specifically, when the first wall plate 31 and/or the second wall plate 32 are in contact with the reentrant line 100, two connection modes are provided, one connection mode is that the protrusion 133 in the fixing piece 130 is inserted into the first wall plate milling groove 310 and/or the second wall plate milling groove 320, and the other connection mode is that the outer plate 120 is abutted against the first wall plate 31 and/or the second wall plate 32, and the two connection modes are not affected by the thickness of the first wall plate 31 and/or the second wall plate 32, so the thickness of the first wall plate 31 along the second direction Y and the thickness of the second wall plate 32 along the first direction X can be the same or different.

According to the embodiment, the reentrant corner line and the reentrant corner mounting structure provided by the utility model have the following beneficial effects:

according to the internal corner line and the internal corner mounting structure provided by the utility model, the internal corner line is fixedly connected with the wall body through the fixing piece at least at one end, so that the internal corner line is prevented from being separated from the wall body, the same internal corner line is ensured to be simultaneously suitable for wallboards with various thicknesses through the protruding part and/or the second connecting plate, the wallboards are quickly mounted and dismounted, the wallboards are prevented from falling off when being fixed, the problems of damage to the wall body, quality hidden troubles such as splice joint and warpage of the wallboards caused by glue are avoided, the internal corner line can be suitable for internal corners with different angles, the application range is wide, and meanwhile, the internal corner line has the advantages of labor saving, time saving, material saving, durability and the like in mounting; in addition, the internal corner line can cover wall joints, so that decoration in a building is more stereoscopic.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (10)

1. The internal corner line is characterized by comprising an inner plate, wherein an outer plate is arranged on one side, far away from an internal corner, of the inner plate, the inner plate is a flat plate, the outer plate is a C-shaped plate, the C-shaped plate protrudes towards the direction close to the inner plate, and the inner plate is not parallel to two walls forming the internal corner;

the inner plate and one side of the outer plate, which are close to the same wall body, are connected through a fixing piece, the fixing piece comprises a fixing plate, the fixing plate comprises a first area, a second area and a third area which are sequentially connected, the end part of the first area, which is far away from the second area, is connected with the end part of the inner plate through a screw, the third area is connected with the wall body through a screw, the first area and the third area are both flat plates, the second area is a C-shaped plate, the C-shaped plate protrudes towards the direction far away from the wall body, the first area and the third area extend along a first direction, the first direction is the extending direction of the wall body, the first area is connected with the outer plate through a first connecting plate, the first connecting plate extends along a second direction, the second direction is intersected with the first direction, the first connecting plate is a flat plate, the end part of the first connecting plate, which is close to the first area, is connected with the middle part of the first area, the end part of the first connecting plate, which is far away from the first area, is connected with the middle part of the outer plate, a protruding part extending along the first direction is arranged on one side of the first connecting plate, which is far away from the inner plate, the protruding part comprises a first protruding part, the first protruding part is a flat plate, the end part of the first protruding part, which is close to the first connecting plate, is connected with the middle part of the first connecting plate, the end part of the first protruding part, which is far away from the first connecting plate, is connected with a second protruding part, the width of one side of the first protruding part, which is close to the second protruding part, is smaller than the width of one side of the second protruding part, which is close to the first protruding part, the width of the side, away from the first protruding part, of the second protruding part is smaller than the width of the side, close to the first protruding part, of the second protruding part; or alternatively, the process may be performed,

the inner plate and the outer plate are connected at one side close to the same wall body through a second connecting plate, the second connecting plate is a flat plate, the end part of the second connecting plate close to the inner plate is connected with the end part of the inner plate, and the end part of the second connecting plate far away from the inner plate is connected with the middle part of the outer plate;

the two ends of the inner plate are connected with the outer plate through the fixing piece, or one end of the inner plate is connected with the outer plate through the fixing piece, and the other end of the inner plate is connected with the outer plate through the second connecting plate.

2. The reentrant corner line according to claim 1 wherein a third area slit extending in a third direction intersecting the first and second directions is provided in a side of the third area remote from the wall.

3. The reentrant corner line according to claim 1 wherein at least one reinforcing plate is connected between the inner plate and the outer plate, the reinforcing plate being a flat plate, an end of the reinforcing plate adjacent to the inner plate being connected to a middle portion of the inner plate, and an end of the reinforcing plate remote from the inner plate being connected to a middle portion of the outer plate.

4. The reentrant corner line according to claim 1, wherein the shape of the second protrusion is a trapezoid, triangle or sector.

5. The reentrant corner line according to claim 1 wherein a distance between an end of the outer panel adjacent the first connection plate and an end of the first connection plate adjacent the outer panel is a 1.5mm ∈a ∈2.5mm.

6. The reentrant corner line according to claim 1 wherein a distance between an end of the first connection plate adjacent the outer plate and an end of the first protrusion adjacent the outer plate is b,5.5mm ∈b ∈6.5mm.

7. The reentrant angular line according to claim 1 wherein the inner panel has an angle α,130 ° or more and 140 ° or less with the second web.

8. The reentrant corner line according to any one of claims 1 to 7 wherein the inner panel, the outer panel, the fixing piece, and the second connection plate are of a unitary structure.

9. An inside corner mounting structure comprising an inside corner formed by intersecting a first wall and a second wall, the first wall extending in a first direction, the second wall extending in a second direction, the first direction intersecting the second direction, the wall comprising a first wall corresponding to the first wall and a second wall corresponding to the second wall, the first wall extending in the first direction, the second wall extending in the second direction, the first wall and the second wall being connected to the inside corner by an inside corner line, the inside corner line being the inside corner line of any one of claims 1-8;

the first wallboard is provided with a first wallboard milling groove extending along the first direction, and the second wallboard is provided with a second wallboard milling groove extending along the second direction;

when one side of the inner plate, which is close to the first wallboard, is connected with the outer plate through the fixing piece, and one side of the inner plate, which is far away from the first wallboard, is connected with the outer plate through the second connecting plate, the protruding part is inserted into the milling groove of the first wallboard, the protruding part corresponds to the milling groove of the first wallboard, and the end part, which is close to the second wallboard, of the outer plate is abutted against the second wallboard;

when one side of the inner plate, which is close to the second wallboard, is connected with the outer plate through the fixing piece, and one side of the inner plate, which is far away from the second wallboard, is connected with the outer plate through the second connecting plate, the protruding part is inserted into the milling groove of the second wallboard, the protruding part corresponds to the milling groove of the second wallboard, and the end part, which is close to the first wallboard, of the outer plate is abutted against the first wallboard;

when both ends of the inner plate are connected with the outer plate through the fixing piece, the two protruding parts are respectively inserted into the first wallboard milling groove and the second wallboard milling groove, and the two protruding parts respectively correspond to the first wallboard milling groove and the second wallboard milling groove.

10. The inside corner mounting structure according to claim 9, wherein a thickness of the first wall panel in the second direction is the same as a thickness of the second wall panel in the first direction; alternatively, the thickness of the first wall plate in the second direction is different from the thickness of the second wall plate in the first direction.