CN220285593U - Shutter corner code and shutter corner assembly - Google Patents

Abstract

The utility model provides a shutter corner code which is used for clamping and fixing at least two shutter frame strips at a corner. The shutter corner code comprises a first clamping part, a second clamping part and a corner compensation part. The first clamping part extends along a first direction and is used for clamping and fixing the first shutter frame strip. The second clamping part extends along a second direction and is used for clamping and fixing a second shutter frame strip. The first direction and the second direction are mutually clamped at an included angle. The contained angle is arranged at the inner side of the shutter corner code. The corner compensation part is respectively connected with the first clamping part and the second clamping part and is arranged at the inner side of the shutter corner code so as to respectively abut against the first shutter frame strip and the second shutter frame strip. The utility model also provides a shutter corner assembly. According to the shutter corner code provided by the utility model, the corner compensation part is arranged on the inner side of the shutter corner code so as to be abutted against the first shutter frame strip and the second shutter frame strip at the corner, so that the overall appearance of the shutter corner assembly is consistent, the wind resistance coefficient is reduced, and the wind noise is reduced.

Description

Shutter corner code and shutter corner assembly

Technical Field

The utility model relates to the field of building materials, in particular to a shutter corner code and a shutter corner assembly.

Background

With the development of the building industry at present, the shutter is widely used as a good packaging and modifying building material. When in use, the blind often needs to be installed and fixed on walls or other buildings of various shapes. When the shutter is used for sealing a wall, a vertical column is usually arranged at a corner, and then the shutter is fixedly connected to the vertical column to realize the connection of the corner of the shutter, so that a shutter protection frame is formed. However, as the shutter is affected by external environmental factors in the long-term use process, the shutter can be aged and damaged to different degrees, and when the shutter needs to be replaced, the shutter is fixedly connected to the upright post, so that the whole shutter and the upright post are required to be replaced integrally, and the replacement operation is complex and the cost is high.

Disclosure of Invention

In view of the above, the present utility model aims to provide a shutter corner bracket, which facilitates easy detachment and stable installation of the shutter frame strips.

The utility model provides a shutter corner code for clamping and fixing at least two shutter frame strips at a corner. The at least two shutter frame strips comprise a first shutter frame strip and a second shutter frame strip. The shutter corner code comprises a first clamping part, a second clamping part and a corner compensation part. The first clamping part extends along a first direction and is used for clamping and fixing the first shutter frame strip. The second clamping part extends along a second direction and is used for clamping and fixing the second shutter frame strip. The first direction and the second direction are mutually clamped at an included angle. The included angle is arranged on the inner side of the shutter corner code. The corner compensation part is respectively connected with the first clamping part and the second clamping part and is arranged on the inner side of the shutter corner code so as to respectively abut against the first shutter frame strip and the second shutter frame strip.

Optionally, the first end of the first clamping part is used for clamping and fixing the first shutter frame strip. The first end of the second clamping part is used for clamping and fixing the second shutter frame strip. The second end of the first clamping part is mutually connected with the second end of the second clamping part, an outer corner is formed on the outer side of the shutter corner code, and an inner corner is formed on the inner side of the shutter corner code. The corner compensation part is arranged at the position where the inner corner is located.

Optionally, the first clamping portion includes a first clamping groove. The first clamping groove extends to the first end of the first clamping part along the first direction in the first clamping part. When the first clamping part clamps and fixes the first shutter frame strip, the first shutter frame strip is slidably inserted into the first clamping groove along the first direction from the first end of the first clamping part. The second clamping portion comprises a second clamping groove, and the second clamping groove extends to the first end of the second clamping portion in the second clamping portion along the second direction. When the second clamping part clamps and fixes the second shutter frame strip, the second shutter frame strip is slidably inserted into the second clamping groove along the second direction from the first end of the second clamping part.

Optionally, the first clamping groove includes a first clamping groove body, a first inner side opening and a first inlet end opening. The first clamping groove body extends to a first end of the first clamping portion along the first direction in the first clamping portion. The first inlet opening is arranged at the first end of the first clamping part and is communicated with the first clamping groove main body. The first inner opening is arranged at the inner side of the first clamping part and communicated with the first clamping groove main body. The second clamping groove comprises a second clamping groove main body, a second inner side opening and a second inlet end opening. The second clamping groove body extends to the first end of the second clamping part along the second direction in the second clamping part. The second inlet opening is arranged at the first end of the second clamping part and is communicated with the second clamping groove main body. The second inner opening is arranged at the inner side of the second clamping part and communicated with the second clamping groove main body.

Optionally, the first clamping portion further comprises a first clip. The first clamping is used for clamping and fixing the first shutter frame strip. The first clamping groove is arranged in the first clamping clamp and extends along the first direction. The first clip includes a first upper clip arm and a first lower clip arm. The first upper clamping arm and the first lower clamping arm are connected with each other at the outer side of the first clamping part, the first inner opening is clamped with each other at the inner side of the first clamping part, and the first clamping groove main body is clamped with each other in a region between the inner side and the outer side of the first clamping part. The second clamping portion further includes a second clip. The second clamping is used for clamping and fixing the second shutter frame strip. The second clamping groove is arranged in the second clamping clamp and extends along the second direction. The second clamp comprises a second upper clamp arm and a second lower clamp arm. The second upper clamping arm and the second lower clamping arm are connected with each other at the outer side of the second clamping part, the second inner side opening is clamped with each other at the inner side of the second clamping part, and the second clamping groove main body is clamped with each other in a region between the inner side and the outer side of the second clamping part.

Optionally, the first upper clamping arm and the first lower clamping arm are symmetrical structures. The second upper clamping arm and the second lower clamping arm are of symmetrical structures. The first upper clamping arm comprises two first upper inner convex clamping strips. The two first upper inward convex clamping strips are arranged on the inner side wall of the first upper clamping arm in parallel and extend along the first direction. The first lower clamping arm comprises two first lower inward convex clamping strips. The two first lower inward convex clamping strips are arranged on the inner side wall of the first lower clamping arm in parallel and extend along the first direction. The second upper clamping arm comprises two second upper inner convex clamping strips. The two second upper inward convex clamping strips are arranged in parallel on the inner side arm of the second upper clamping arm and extend along the second direction. The second lower clamping arm comprises two second lower inner convex clamping strips. The two second lower inward convex clamping strips are arranged in parallel on the inner side arm of the second lower clamping arm and extend along the second direction.

Optionally, the first end of the first upper clamping arm is provided with a first upper reinforcing rib. The first upper stiffener extends from the inner side to the outer side of the first clamping portion. The first end of the first lower clamping arm is provided with a first lower reinforcing rib. The first lower reinforcing rib extends from the inner side to the outer side of the first clamping portion. The first upper reinforcing rib and the first lower reinforcing rib are connected to each other at the outer side of the first clamping portion. The first end of the second upper clamping arm is provided with a second upper reinforcing rib. The second upper reinforcing rib extends from the inner side to the outer side of the second clamping portion. The first end of the second lower clamping arm is provided with a second lower reinforcing rib. The second lower reinforcing rib extends from the inner side to the outer side of the second clamping portion. The second upper reinforcing rib and the second lower reinforcing rib are connected with each other at the outer side of the second clamping part.

Optionally, the first upper clamping arm is provided with a first upper middle part identification hole and a first upper end part identification hole. The first lower clamping arm is provided with a first lower middle part identification hole and a first lower end part identification hole. The second upper clamping arm is provided with a second upper middle part identification hole and a second upper end part identification hole. The second lower clamping arm is provided with a second lower middle part identification hole and a second lower end part identification hole. The first upper end part identification hole and the second upper end part identification hole are communicated with each other at the position of the outer turning angle. The first lower end part marking hole and the second lower end part marking hole are communicated with each other at the position of the outer turning angle. The first clamping part and the second clamping part are positioned on the same plane.

The utility model also provides a shutter corner assembly. The shutter corner assembly comprises at least two shutter frame strips and the shutter corner code. The shutter corner code is used for clamping and fixing the at least two shutter frame strips at the corner.

Optionally, each of the at least two shutter frame strips includes a clamping portion and an external display portion. The shutter frame strip is of a strip-shaped structure with a uniform cross section extending. The clamping part is fixedly connected with the inner side of the external display part. The external display part is of an up-down symmetrical structure taking the clamping part as an axis. The clamping part is inserted into the shutter corner code along the extending direction of the shutter frame strip. The external display part is arranged on the inner side of the shutter corner code. The upper side of the clamping part is provided with two mutually parallel upper clamping grooves extending along the extending direction. Two mutually parallel lower clamping grooves extending along the extending direction are formed in the lower side of the clamping part.

According to the shutter corner code and the shutter corner assembly, the first shutter frame strip is clamped and fixed by the first clamping part extending along the first direction, and the second shutter frame strip is clamped and fixed by the second clamping part extending along the second direction, so that the two shutter frame strips in different directions are installed and connected at the corner. The shutter frame strips are inserted into the shutter corner codes and are clamped with the shutter corner codes, so that the installation is stable, and the disassembly and assembly operations are simple and convenient. In addition, the inner side of the shutter corner code is also provided with a corner compensation part which is respectively connected with the first clamping part and the second clamping part, so that the first shutter frame strip and the second shutter frame strip are abutted at the corner, the whole appearance of the shutter corner assembly is consistent and attractive, the wind resistance coefficient is reduced, and the wind noise is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following brief description of the drawings of the embodiments will make it apparent that the drawings in the following description relate only to some embodiments of the present utility model and are not limiting of the present utility model.

Fig. 1 is a schematic view of a shutter corner assembly according to an embodiment of the present utility model.

FIG. 2 is a schematic view of a view angle of the blind corner bracket in the blind corner assembly shown in FIG. 1.

FIG. 3 is a schematic view of a view angle of the blind corner bracket in the blind corner assembly shown in FIG. 1.

FIG. 4 is a schematic view of another view of the blind corner bracket of the blind corner assembly of FIG. 2.

Fig. 5 is a schematic bottom view of a blind corner bracket in the blind corner assembly of fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model belong to the protection scope of the present utility model.

Referring to fig. 1 and 2, a louver corner assembly 999 is provided according to an embodiment of the present utility model. The louver corner assembly 999 includes two louver frame strips 800 and a louver corner code 900 according to an embodiment of the present utility model. The shutter corner code 900 is used for clamping and fixing two shutter frame strips 800 at the corner.

Referring to fig. 1 and 2, two shutter strips 800 include a first shutter strip 801 and a second shutter strip 802. The first and second shutter frame strips 801 and 802 are elongated structures with uniform cross-section extension. The first and second shutter frame strips 801 and 802 each include a clamping portion 820 and an external portion 840. The clamping portion 820 is fixedly connected to the inner side of the outer display portion 840. The external portion 840 has a vertically symmetrical structure about the engagement portion 820. The clamping portion 820 is inserted into the shutter corner code 900 along the extending direction of the shutter frame strip 800. The display portion 840 is disposed on the inner side 910 of the blind corner code 900. The upper side 821 of the engaging portion 820 is provided with two mutually parallel upper engaging grooves 822 extending in the extending direction. The lower side 823 of the locking portion 820 is provided with two mutually parallel lower locking grooves 824 extending in the extending direction. In this embodiment, the number of the shutter frame strips 800 is two, and in other embodiments, the number of the shutter frame strips 800 may be three or more.

Referring to fig. 1 and 2, a blind corner code 900 according to an embodiment of the utility model is used for clamping and fixing two blind frame strips 800 at a corner. The shutter angle code 900 includes a first clamping portion 100, a second clamping portion 200, and an angle compensation portion 300. The first clamping portion 100 and the second clamping portion 200 are located on the same plane. The first clamping portion 100 extends along a first direction 901 and is used for clamping and fixing the first shutter frame 801. The second clamping portion 200 extends along a second direction 902 and is used for clamping and fixing the second shutter frame strip 802. Referring to fig. 4 in combination, the first direction 901 and the second direction 902 form an angle a with each other. The included angle a is disposed on the inner side 910 of the blind corner code 900. The corner compensation part 300 is respectively connected with the first clamping part 100 and the second clamping part 200 and is arranged on the inner side 910 of the shutter corner code 900 to respectively abut against the first shutter frame strip 801 and the second shutter frame strip 802, so that the first shutter frame strip 801 and the second shutter frame strip 802 are in compensating connection at the corner, and the overall appearance is consistent and attractive. In an actual usage scenario, the corner compensation portion 300 is disposed on the inner side 910 of the shutter corner code 900, the shutter frame strip 800 is abutted to the corner compensation portion 300, and the display portion 840 of the shutter frame strip 800 for displaying to the user is located on the inner side 910 of the shutter corner code 900, and the structure is an internal corner, and the angle range of the included angle a is greater than or equal to 90 degrees and less than 180 degrees. In this embodiment, the included angle a is 90 degrees, which has a wider daily practical range, and is usually used in the installation situation of two mutually perpendicular shutter frame strips at the corner. In other embodiments, the included angle a can be set to other angles as required by the construction site.

Referring to fig. 1 and 2, the first end 101 of the first clamping portion 100 is used for clamping and fixing the first shutter frame bar 801, the first end 201 of the second clamping portion 200 is used for clamping and fixing the second shutter frame bar 802, the second end 102 of the first clamping portion 100 is connected with the second end 202 of the second clamping portion 200, an outer corner 921 is formed on the outer side 920 of the shutter corner code 900, an inner corner 911 is formed on the inner side 910 of the shutter corner code 900, and the corner compensation portion 300 is disposed at the position where the inner corner 911 is located.

Referring to fig. 2 and 3, the first clamping portion 100 includes a first clip 120 and a first clip groove 140. The first clip 120 is used for clamping and fixing the first shutter frame strip 801. The first card slot 140 is disposed in the first card holder 120 and extends along a first direction 901.

Referring to fig. 2 and 3, the first clip 120 includes a first upper clip arm 122 and a first lower clip arm 124. The first upper clamping arm 122 and the first lower clamping arm 124 are symmetrical structures. The first upper clamping arm 122 and the first lower clamping arm 124 are interconnected on the outer side 103 of the first clamping portion 100.

Referring to fig. 2 and 3, the first card slot 140 includes a first card slot body 142, a first inner opening 144, and a first inlet opening 146. The first clamping groove body 142 extends in a first direction 901 within the first clamping portion 100 to the first end 101 of the first clamping portion 100. The first inlet opening 146 is disposed at the first end 101 of the first clamping portion 100 and is in communication with the first slot body 142. The first inner opening 144 is disposed on the inner side 104 of the first clamping portion 100 and is in communication with the first clamping groove body 142. The first upper clamping arm 122 and the first lower clamping arm 124 of the first clamping member 120 clamp the first inner opening 144 between the inner side 104 of the first clamping portion 100, and clamp the first clamping groove body 142 between the inner side 104 and the outer side 103 of the first clamping portion 100.

Referring to fig. 2 and 3, the first upper clip arm 122 includes two first upper inwardly projecting snap bars 1222, a first upper stiffener 1224, a first upper middle identification hole 1226, and a first upper end identification hole 1228. The two first upper inner protruding clamping strips 1222 are disposed in parallel on the inner side wall 1220 of the first upper clamping arm 122, and extend along the first direction 901. The first upper reinforcing rib 1224 is disposed at the first end 1221 of the first upper clamping arm 122, and the first upper reinforcing rib 1224 extends from the inner side 104 to the outer side 103 of the first clamping portion 100. A first upper middle identification hole 1226 is provided in the middle of the first upper clip arm 122 for checking whether the first louver strip 801 is in place. A first upper end identification aperture 1228 is provided at the second end 1223 of the first upper clamp arm 122.

Referring to fig. 2, 3 and 5, the first lower clip arm 124 includes two first lower inwardly protruding clip strips 1242, a first lower stiffener 1244, a first lower middle marking hole 1246 and a first lower end marking hole 1248. The two first lower protruding locking strips 1242 are disposed in parallel on the inner side wall 1240 of the first lower clamping arm 124, and extend along the first direction 901. The first lower stiffener 1244 is disposed at the first end 1241 of the first lower clip arm 124, and the first lower stiffener 1244 extends from the inner side 104 to the outer side 103 of the first clip portion 100. The first upper stiffener 1224 and the first lower stiffener 1244 are interconnected at the outer side 103 of the first clamping portion 100. The first upper stiffener 1224 and the first lower stiffener 1244 connected to each other may increase the strength of the first clamping portion 100, and further improve the mounting stability of the first shutter frame 801. A first lower middle marking hole 1246 is provided in the middle of the first lower clip arm 124 for checking whether the first shutter frame strip 801 is in place. The first lower end identification hole 1248 is provided at the second end 1243 of the first lower clip arm 124.

Referring to fig. 2 and 3, the second clamping portion 200 includes a second clip 220 and a second clip groove 240. The second clip 220 is used to clip and secure the second shutter strip 802. The second card slot 240 is disposed in the second card holder 220 and extends along the second direction 902.

Referring to fig. 2 and 3, the second clip 220 includes a second upper clip arm 222 and a second lower clip arm 224. The second upper clamping arm 222 and the second lower clamping arm 224 are symmetrical structures. The second upper clamp arm 222 and the second lower clamp arm 224 are connected to each other at the outer side 203 of the second clamping portion 200.

Referring to fig. 2 and 3, the second card slot 240 includes a second card slot body 242, a second inner side opening 244, and a second inlet opening 246. The second clamping groove body 242 extends in the second direction 902 within the second clamping portion 200 to the first end 201 of the second clamping portion 200. The second inlet opening 246 is disposed at the first end 201 of the second clamping portion 200 and is in communication with the second slot body 242. The second inner opening 244 is disposed on the inner side 204 of the second clamping portion 200 and communicates with the second clamping groove body 242. The second upper clamping arm 222 and the second lower clamping arm 224 of the second clamping portion 220 mutually clamp the second inner opening 244 at the inner side 204 of the second clamping portion 200, and mutually clamp the second clamping groove main body 242 at the region between the inner side 204 and the outer side 203 of the second clamping portion 200.

Referring to fig. 2 and 3, the second upper clip arm 222 includes two second upper inwardly protruding clip strips 2222, a second upper reinforcing rib 2224, a second upper middle identification hole 2226 and a second upper end identification hole 2228. The two second upper inner protruding card strips 2222 are disposed in parallel on the inner side wall 2220 of the second upper clamping arm 222, and both extend along the second direction 902. The second upper stiffener 2224 is disposed at the first end 2221 of the second upper clamp arm 222. The second upper stiffener 2224 extends from the inner side 204 to the outer side 203 of the second clamping portion 200. A second upper middle identification hole 2226 is provided in the middle of the second upper clip arm 222 for checking whether the second blind slats 802 are in place. A second upper end identification hole 2228 is provided at a second end 2223 of the second upper clamp arm 222. The first upper end identification hole 1228 and the second upper end identification hole 2228 communicate with each other at the position of the outer corner 921. The first upper end marking hole 1228 and the second upper end marking hole 2228 which are communicated with each other can be used for observing whether the first shutter frame 801 and the second shutter frame 802 are installed in place or not, and have the functions of water drainage and ventilation.

Referring to fig. 2, 3 and 5, the second lower clamp arm 224 includes two second lower inwardly protruding clamping bars 2242, a second lower reinforcing rib 2244, a second lower middle identification hole 2246 and a second lower end identification hole 2248. The two second lower inner protruding clamping strips 2242 are disposed in parallel on the inner side wall 2240 of the second lower clamping arm 224, and both extend along the second direction 902. The second lower stiffener 2244 is disposed at the first end 2241 of the second lower clamping arm 224, and the second lower stiffener 2244 extends from the inner side 204 to the outer side 203 of the second clamping portion 200. The second upper stiffener 2224 and the second lower stiffener 2244 are connected to each other at the outer side 203 of the second clamping part 200. The second upper stiffener 2224 and the second lower stiffener 2244 may increase the strength of the second clamping part 200, further improving the mounting stability of the second blind frame strip 802. A second lower middle identification hole 2246 is provided in the middle of the second lower clamp arm 224 for checking whether the second shutter frame strip 802 is in place. A second lower end identification aperture 2248 is provided at the second end 2243 of the second lower clamp arm 224. The first lower end identification hole 1248 and the second lower end identification hole 2248 communicate with each other at the position of the outer corner 921. The first lower end marking hole 1248 and the second lower end marking hole 2248 which are communicated with each other can be used for observing whether the first shutter frame 801 and the second shutter frame 802 are installed in place or not, and have the functions of water drainage and ventilation.

When the first shutter frame 801 is mounted, the first shutter frame 801 is slidably inserted into the first clamping groove 140 along the first direction 901 from the first inlet opening 146 of the first clamping portion 100, and abuts against the rotation angle compensation portion 300. The clamping portion 820 of the first shutter frame 801 is clamped in the first clamping groove body 142, and the two upper clamping grooves 822 are clamped with the two first upper inner convex clamping strips 1222 of the first clamping portion 100, and the two lower clamping grooves 824 are clamped with the two first lower inner convex clamping strips 1242 of the first clamping portion 200, so as to form a stable clamping relationship. The first inner opening 144 of the first clamping portion 100 is abutted against the inner side of the outer display portion 840 of the first louver frame strip 801, and the first clamping portion 100 and the first louver frame strip 801 are compact in structure and improve clamping stability.

When the second shutter frame 802 is installed, the second shutter frame 802 is slidably inserted into the second clamping groove 240 along the second direction 902 from the second inlet opening 246 of the second clamping portion 200, and abuts against the rotation angle compensation portion 300. The clamping portion 820 of the second shutter frame strip 802 is clamped in the second clamping groove body 242, and the two upper clamping grooves 822 are clamped with the two second upper inner convex clamping strips 2222 of the second clamping portion 200, and the two lower clamping grooves 824 are clamped with the two second lower inner convex clamping strips 2242 of the second clamping portion 200, so as to form a stable clamping relationship. The second inner opening 244 of the second clamping portion 200 is abutted against the inner side of the outer display portion 840 of the second shutter frame strip 802, and the second clamping portion 200 and the second shutter frame strip 802 are compact in structure, so that clamping stability is improved.

According to the shutter corner code and the shutter corner assembly, the first shutter frame strip is clamped and fixed by the first clamping part extending along the first direction, and the second shutter frame strip is clamped and fixed by the second clamping part extending along the second direction, so that the two shutter frame strips in different directions are installed and connected at the corner. The shutter frame strips are inserted into the shutter corner codes and are clamped with the shutter corner codes, so that the installation is stable, and the disassembly and assembly operations are simple and convenient. In addition, the inner side of the shutter corner code is also provided with a corner compensation part which is respectively connected with the first clamping part and the second clamping part, so that the first shutter frame strip and the second shutter frame strip are abutted at the corner, the whole appearance of the shutter corner assembly is consistent and attractive, the wind resistance coefficient is reduced, and the wind noise is reduced.

While there has been shown and described what are considered to be examples of the utility model, it will be understood by those skilled in the art that the examples and illustrations are not to be construed as limiting the scope of the utility model, and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model. The scope of the disclosure is therefore not limited to the embodiments described above, but should be determined by the claims and their equivalents.

Claims (10)

1. The utility model provides a tripe corner sign indicating number for at least two tripe frame strips of corner centre gripping is fixed, two piece at least tripe frame strips include first tripe frame strip and second tripe frame strip, its characterized in that, tripe corner sign indicating number include first clamping part, second clamping part and corner compensation portion, first clamping part extends along first direction, and is used for the centre gripping to fix first tripe frame strip, second clamping part extends along the second direction, and is used for the centre gripping to fix second tripe frame strip, first direction with a contained angle is mutually pressed from both sides in the second direction, the contained angle sets up the inboard of tripe corner sign indicating number, the corner compensation portion connect respectively first clamping part with second clamping part, and set up in the inboard of tripe corner sign indicating number in order to butt respectively first tripe frame strip with second tripe frame strip.

2. The blind corner bracket according to claim 1, wherein a first end of the first clamping portion is used for clamping and fixing the first blind frame strip, a first end of the second clamping portion is used for clamping and fixing the second blind frame strip, a second end of the first clamping portion is connected with a second end of the second clamping portion, an outer corner is formed on the outer side of the blind corner bracket, an inner corner is formed on the inner side of the blind corner bracket, and the corner compensation portion is arranged at a position where the inner corner is located.

3. The blind corner key according to claim 2, wherein said first clamping portion includes a first slot extending in said first direction within said first clamping portion to said first end of said first clamping portion, said first blind strip being slid into said first slot in said first direction from said first end of said first clamping portion when said first clamping portion clamps said first blind strip; the second clamping part comprises a second clamping groove, the second clamping groove extends to the first end of the second clamping part in the second clamping part along the second direction, and when the second clamping part clamps and fixes the second shutter frame strip, the second shutter frame strip is slidably inserted into the second clamping groove from the first end of the second clamping part along the second direction.

4. The blind corner key according to claim 3, wherein the first clamping groove comprises a first clamping groove body, a first inner side opening and a first entrance end opening, the first clamping groove body extends to a first end of the first clamping part along the first direction in the first clamping part, the first entrance end opening is arranged at the first end of the first clamping part and is communicated with the first clamping groove body, and the first inner side opening is arranged at the inner side of the first clamping part and is communicated with the first clamping groove body; the second clamping groove comprises a second clamping groove body, a second inner side opening and a second inlet end opening, the second clamping groove body extends to the first end of the second clamping part in the second clamping part along the second direction, the second inlet end opening is arranged at the first end of the second clamping part and is communicated with the second clamping groove body, and the second inner side opening is arranged at the inner side of the second clamping part and is communicated with the second clamping groove body.

5. The blind corner bracket according to claim 4, wherein the first clamping portion further comprises a first clip for clamping and fixing the first blind frame strip, the first clip is disposed in the first clip and extends in the first direction, the first clip comprises a first upper clamping arm and a first lower clamping arm, the first upper clamping arm and the first lower clamping arm are connected to each other at an outer side of the first clamping portion, the first inner side opening is clamped between the inner side of the first clamping portion, and the first clip main body is clamped between the inner side and the outer side of the first clamping portion; the second clamping part further comprises a second clamping clip, the second clamping clip is used for clamping and fixing the second shutter frame strip, a second clamping groove is formed in the second clamping clip and extends along the second direction, the second clamping clip comprises a second upper clamping arm and a second lower clamping arm, the second upper clamping arm and the second lower clamping arm are connected with each other at the outer side of the second clamping part, the inner side of the second clamping part is clamped with each other at the inner side of the second clamping part, and the second clamping groove main body is clamped with each other at an area between the inner side and the outer side of the second clamping part.

6. The blind corner bracket of claim 5 wherein said first upper arm and said first lower arm are symmetrical and said second upper arm and said second lower arm are symmetrical; the first upper clamping arm comprises two first upper inner convex clamping strips, the two first upper inner convex clamping strips are arranged in parallel on the inner side wall of the first upper clamping arm and extend along the first direction, the first lower clamping arm comprises two first lower inner convex clamping strips, and the two first lower inner convex clamping strips are arranged in parallel on the inner side wall of the first lower clamping arm and extend along the first direction; the second upper clamping arm comprises two second upper inner convex clamping strips, the two second upper inner convex clamping strips are arranged in parallel on the inner side arms of the second upper clamping arm and extend along the second direction, the second lower clamping arm comprises two second lower inner convex clamping strips, and the two second lower inner convex clamping strips are arranged in parallel on the inner side arms of the second lower clamping arm and extend along the second direction.

7. The blind corner bracket according to claim 6, wherein a first end of said first upper arm is provided with a first upper rib extending from said inner side of said first clamping portion to said outer side, a first lower rib extending from said inner side of said first clamping portion to said outer side, said first upper rib and said first lower rib being interconnected at said outer side of said first clamping portion; the first end of second upper arm lock is equipped with the second and goes up the strengthening rib, the second is gone up the strengthening rib by the inboard of second clamping part extends to the outside, the first end of second lower arm lock is equipped with the second and goes down the strengthening rib, the second is gone up the strengthening rib by the inboard of second clamping part extends to the outside, the second is gone up the strengthening rib with the second is gone down the strengthening rib is in the outside interconnect of second clamping part.

8. The blind corner fastener according to claim 7, wherein said first upper arm has a first upper middle marking hole and a first upper end marking hole, said first lower arm has a first lower middle marking hole and a first lower end marking hole, said second upper arm has a second upper middle marking hole and a second upper end marking hole, said second lower arm has a second lower middle marking hole and a second lower end marking hole, said first upper end marking hole and said second upper end marking hole are in communication with each other at said outer corner, said first lower end marking hole and said second lower end marking hole are in communication with each other at said outer corner; the first clamping part and the second clamping part are positioned on the same plane.

9. A blind corner assembly comprising at least two blind frame strips and a blind corner bracket according to any one of claims 1 to 8 for clamping the at least two blind frame strips at a corner.

10. The louver corner assembly according to claim 9, wherein each of the at least two louver frame strips includes a clamping portion and an external display portion, the louver frame strips are of a strip-shaped structure with a uniform cross section extending, the clamping portion is fixedly connected to the inner side of the external display portion, the external display portion is of an up-down symmetrical structure with the clamping portion as an axis, the clamping portion is inserted into the louver corner code along the extending direction of the louver frame strips, and the external display portion is arranged on the inner side of the louver corner code; the upper side of the clamping part is provided with two mutually parallel upper clamping grooves extending along the extending direction, and the lower side of the clamping part is provided with two mutually parallel lower clamping grooves extending along the extending direction.