Combined grid structure

Abstract

The utility model discloses a combined grille structure, which relates to the technical field of architectural decoration grilles, and comprises a first splicing piece, a second splicing piece, a third splicing piece and a fourth splicing piece, the second splicing piece is spliced with the first splicing piece through a first connecting piece; the third splicing piece is spliced with the second splicing piece through a second connecting piece; first accommodating cavities are respectively formed between the two third splicing pieces and the second splicing piece, so that the first connecting piece is hidden in the first accommodating cavities; a second accommodating cavity is formed between the fourth splicing piece and the second splicing piece, so that the second connecting piece is hidden in the second accommodating cavity; the technical scheme provided by the utility model has the technical effects that the first connecting piece is hidden in the first accommodating cavity, and the second connecting piece is hidden in the second accommodating cavity, so that the situation that the first connecting piece and the second connecting piece are exposed is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of building decorative grilles, in particular to a combined grille structure. Background Art

[0002] The installation method of conventional modular aluminum alloy grilles often involves the combined splicing of two aluminum alloy profile parts.

[0003] Since two different aluminum alloy parts are used for assembly, bolts, screws and steel adapters often leak out after the two parts are installed. These metal connectors not only destroy the overall aesthetics of the aluminum alloy grille, but also may pose safety hazards. For example, in outdoor environments, these metal connectors are easily exposed to wind and rain, further increasing the risk of rust and damage. Utility Model Content

[0004] The main purpose of the utility model is to provide a combined grille structure, aiming to avoid the situation that connecting parts such as bolts and screws are leaked outside the splicing parts after two splicing parts are installed.

[0005] To achieve the above-mentioned purpose, the utility model provides a combined grille structure, comprising a first splicing member;

[0006] a second assembling piece, the second assembling piece being spliced ​​with the first assembling piece via a first connecting piece;

[0007] A third assembling piece, wherein the second assembling piece is provided with the third assembling pieces at two opposite sides along the first direction, the third assembling piece is spliced ​​with the second assembling piece through a second connecting piece, and two third assembling pieces are clamped to the first assembling piece;

[0008] A first accommodating cavity is formed between the two third assembling pieces and the second assembling piece respectively, so that the first connecting piece is hidden in the first accommodating cavity; and

[0009] A fourth assembling piece is clamped on the second assembling piece, and a second accommodating cavity is formed between the fourth assembling piece and the second assembling piece, so that the second connecting piece is hidden in the second accommodating cavity.

[0010] In one embodiment, the first assembling piece is provided with first clamping parts on two opposite sides along the first direction, the second assembling piece is provided with second clamping parts on two opposite sides along the first direction, the first clamping parts are provided with first grooves, and the second clamping parts are clamped in the first grooves.

[0011] In one embodiment, the combined grille also includes a locking piece, the first connecting piece includes a connecting section and a fixing section that are connected to each other, the first splicing piece is provided with a second groove on the outer side wall close to the second splicing piece, the fixing section is clamped in the second groove, the connecting section passes through the second groove and the second clamping portion, and the locking piece is locked to one end of the connecting section away from the second clamping portion, so that the first splicing piece and the second splicing piece are spliced ​​to each other.

[0012] In one embodiment, the first clamping portion includes a first connecting arm, a first protrusion is protruding from a side of the first connecting arm away from the first splicing piece, and a third groove is provided at an end of the third splicing piece close to the first splicing piece, and the first protrusion is inserted into the third groove so that the third splicing piece is clamped to the first splicing piece.

[0013] In one embodiment, a second connecting arm is provided at one end of the third assembling piece away from the first assembling piece, and the second connecting piece passes through the second connecting arm and the second assembling piece, so that the third assembling piece and the second assembling piece are spliced ​​with each other.

[0014] In one embodiment, a third clamping portion is provided on a side of the fourth assembling piece close to the second assembling piece, a third connecting arm is protruding from a side of the second assembling piece close to the fourth assembling piece, and the third connecting arm is clamped to the third clamping portion, so that the fourth assembling piece is clamped to the second assembling piece.

[0015] In one embodiment, the third clamping portion includes a fourth connecting arm and a first clamping hook provided at one end of the fourth connecting arm, and a second clamping hook is provided on one side of the third connecting arm close to the third clamping portion, and the first clamping hook is clamped with the second clamping hook.

[0016] In one embodiment, a protrusion is provided at one end of the fourth connecting arm away from the first locking hook, a fourth groove is formed between the protrusion and the first locking hook, and the second locking hook is locked in the fourth groove so that the first locking hook is locked to the second locking hook.

[0017] In one embodiment, the combined grille structure also includes a first aluminum plate assembly and a first steel connecting member, the first aluminum plate assembly includes a first aluminum plate steel frame and a reserved steel plate connected to each other, the first steel connecting member connects the reserved steel plate, and the second splicing member is installed on the first steel connecting member by a first bolt.

[0018] In one embodiment, the combined grid structure also includes a second aluminum plate assembly and a second steel connecting member, the second aluminum plate assembly includes a steel embedded member for installation in a building wall, the second steel connecting member connects the steel embedded member, and the second splicing member is installed on the second steel connecting member via a second bolt.

[0019] The technical solution of the utility model adopts two third splicing pieces to form a first accommodating cavity between the outer side walls of the second splicing piece respectively, so that the first connecting piece is hidden in the first accommodating cavity, and the fourth splicing piece and the second splicing piece form a second accommodating cavity, so that the second connecting piece is hidden in the second accommodating cavity, thereby avoiding the first connecting piece and the second connecting piece from leaking out, thereby improving the overall aesthetics of the aluminum alloy grille, and thus increasing the service life of the first connecting piece and the second connecting piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0021] Figure 1 A schematic structural diagram of an embodiment of a first assembling piece, a second assembling piece, a third assembling piece and a fourth assembling piece in a combined grille structure provided by the utility model;

[0022] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0023] Figure 3 for Figure 1 A partial enlarged view of point B in the middle;

[0024] Figure 4 A schematic structural diagram of an embodiment of a first aluminum plate assembly, a second aluminum plate assembly and a first splicing piece in a combined grille structure provided by the utility model;

[0025] Figure 5 A structural schematic diagram of an embodiment of the connection between the first steel connecting member and the second splicing member in the combined grid structure provided by the utility model;

[0026] Figure 6 The utility model provides a schematic structural diagram of an embodiment of the connection between the second steel connecting member and the second splicing member in the combined grille structure.

[0027] Description of Figure Numbers:

[0028] 1. first splicing piece; 11. first clamping portion; 111. first groove; 112. first connecting arm; 1121. first protrusion; 12. second groove; 2. second splicing piece; 21. second clamping portion; 22. third connecting arm; 221. second clamping hook; 3. first connecting piece; 31. connecting section; 32. fixing section; 4. third splicing piece; 41. first accommodating cavity; 42. third groove; 43. second connecting arm; 5. second connecting piece; 6. fourth splicing piece; 61. Second accommodating cavity; 62. Third clamping portion; 621. Fourth connecting arm; 6211. First clamping hook; 6212. Protrusion; 6213. Fourth groove; 7. Locking piece; 8. First aluminum plate assembly; 81. First steel connecting piece; 82. First aluminum plate steel frame; 83. Reserved steel plate; 9. Second aluminum plate assembly; 91. Second steel connecting piece; 92. Steel embedded part; 93. Fifth connecting arm; 94. Sixth connecting arm; 95. Seventh connecting arm; 96. Eighth connecting arm.

[0029] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0032] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0033] The installation method of conventional modular aluminum alloy grilles often involves the combined splicing of two aluminum alloy profile parts.

[0034] Since two different aluminum alloy parts are used for assembly, bolts, screws and steel adapters often leak out after the two parts are installed. These metal connectors not only destroy the overall aesthetics of the aluminum alloy grille, but also may pose safety hazards. For example, in outdoor environments, these metal connectors are easily exposed to wind and rain, further increasing the risk of rust and damage.

[0035] The utility model provides a combined grille structure.

[0036] See also Figure 1 In one embodiment of the utility model, the combined grid structure includes a first splicing member 1;

[0037] A second splicing piece 2, wherein the second splicing piece 2 is spliced ​​with the first splicing piece 1 via a first connecting piece 3;

[0038] A third splicing piece 4, wherein the second splicing piece 2 is provided with the third splicing pieces 4 on two opposite sides along the first direction, the third splicing piece 4 is spliced ​​with the second splicing piece 2 via a second connecting piece 5, and two third splicing pieces 4 are clamped to the first splicing piece 1;

[0039] A first accommodating cavity 41 is formed between the two third assembling pieces 4 and the second assembling piece 2 respectively, so that the first connecting piece 3 is hidden in the first accommodating cavity 41; and

[0040] A fourth assembling piece 6, wherein the fourth assembling piece 6 is clamped on the second assembling piece 2, and a second accommodating cavity 61 is formed between the fourth assembling piece 6 and the second assembling piece 2, so that the second connecting piece 5 is hidden in the second accommodating cavity 61;

[0041] The technical solution of the utility model adopts two third splicing pieces 4 to form a first accommodating cavity 41 between the outer side walls of the second splicing piece 2, so that the first connecting piece 3 is hidden in the first accommodating cavity 41, and the fourth splicing piece 6 and the second splicing piece 2 form a second accommodating cavity 61, so that the second connecting piece 5 is hidden in the second accommodating cavity 61, thereby avoiding the first connecting piece 3 and the second connecting piece 5 from leaking out, thereby improving the overall aesthetics of the aluminum alloy grille, and thus increasing the service life of the first connecting piece 3 and the second connecting piece 5.

[0042] In this embodiment, the first splicing piece 1, the second splicing piece 2, the third splicing piece 4 and the fourth splicing piece 6 are all made of aluminum alloy material, so as to ensure the overall structural strength of the grille body after splicing. The first connecting piece 3 can be bolted, and an outer side wall of the second splicing piece 2 is spliced ​​with the first splicing piece 1 through the bolt. The second splicing piece 2 is provided with a third splicing piece 4 on opposite sides along the first direction, and the third splicing piece 4 can be L-shaped. The horizontal sections of the two third splicing pieces 4 are spliced ​​to the two opposite outer side walls of the second splicing piece 2 along the first direction through the second connecting piece 5, and the vertical sections of the two third splicing pieces 4 are respectively clamped to the two opposite outer side walls of the first splicing piece 1 along the first direction, so that the third splicing piece 4 is spliced ​​with the first splicing piece 1 and the second splicing piece 2 respectively. A first accommodating cavity 41 is formed between the two third splicing pieces 4 and the two outer side walls of the second splicing piece 2 along the first direction, so that the part of the first connecting piece 3 that is exposed to the outside of the second splicing piece 2 is located in the first accommodating cavity 41, so that the first connecting piece 3 is hidden in the first accommodating cavity 41, thereby preventing the first connecting piece 3 from being corroded by the outside, thereby improving the service life of the first connecting piece 3, and preventing the first connecting piece 3 from damaging the overall aesthetics of the grille body. In order to prevent the second connecting piece 5 from being exposed outside the third splicing piece 4, a fourth splicing piece 6 is provided to be clamped on an end of the second splicing piece 2 away from the first splicing piece 1, and a second accommodating cavity 61 is formed between the fourth splicing piece 6 and the outer side wall of the second splicing piece 2, so that the part of the second connecting piece 5 that is exposed to the outside of the third splicing piece 4 is located in the second accommodating cavity 61, so that the second connecting piece 5 is hidden in the second accommodating cavity 61, thereby preventing the second connecting piece 5 from being corroded by the outside, thereby improving the service life of the second connecting piece 5, and preventing the second connecting piece 5 from damaging the overall aesthetics of the grille body. The first direction may be consistent with the left-right direction.

[0043] like Figure 1 and Figure 2 As shown, in this embodiment, the first splicing piece 1 is provided with first clamping portions 11 on two opposite sides along the first direction, and the second splicing piece 2 is provided with second clamping portions 21 on two opposite sides along the first direction, and the first clamping portion 11 is provided with a first groove 111, and the second clamping portion 21 is clamped in the first groove 111.

[0044] In this embodiment, the shape of the second clamping portion 21 can match the groove shape of the first groove 111 so that the second clamping portion 21 can be more stably clamped in the first groove 111, thereby improving the stability of the splicing of the first splicing piece 1 and the second splicing piece 2.

[0045] like Figure 1 As shown, in this embodiment, the combined grille also includes a locking member 7, the first connecting member 3 includes a connecting section 31 and a fixing section 32 connected to each other, the first splicing piece 1 is provided with a second groove 12 on the outer side wall close to the second splicing piece 2, the fixing section 32 is clamped in the second groove 12, the connecting section 31 passes through the second groove 12 and the second clamping portion 21, and the locking member 7 is locked to one end of the connecting section 31 away from the second clamping portion 21, so that the first splicing piece 1 and the second splicing piece 2 are spliced ​​with each other.

[0046] In this embodiment, the first connecting member 3 can be a bolt, so as to facilitate the splicing and disassembly of the first splicing member 1 and the second splicing member 2. The first connecting member 3 is pre-assembled and clamped in the second groove 12, and then the connecting section 31 is passed through the second groove 12 and the second clamping portion 21, and then the first connecting member 3 is locked in the second clamping portion 21 and the second groove 12 by the locking member 7, so as to improve the stability of the splicing of the first splicing member 1 and the second splicing member 2. The second groove 12 can be located between the two first clamping portions 11, so that the connecting section 31 and the locking member 7 of the first connecting member 3 that are partially exposed can be hidden in the first accommodating cavity 41, so as to avoid the situation where the first connecting member 3 and the locking member 7 are leaked from the second splicing member 2. The outer diameter of the notch of the second groove 12 can be consistent with the outer diameter of the connecting section 31, and the outer diameter of the fixing section 32 can be larger than the outer diameter of the connecting section 31, so that the fixing section 32 is clamped in the second groove 12. The locking member 7 may include a spring washer and a nut, so as to improve the stability of the connection between the first connecting member 3 and the second assembling member 2 and the first assembling member 1. In order to further improve the stability of the connection between the first assembling member 1 and the second assembling member 2, two second grooves 12 may be provided, so that the second assembling member 2 and the first assembling member 1 are locked and matched by the first connecting member 3 and the locking member 7 on opposite sides along the first direction.

[0047] like Figure 1 and Figure 2 As shown, in this embodiment, a first protrusion 1121 is convexly provided on a side of the first connecting arm 112 away from the connecting wall, and a third groove 42 is provided on an end of the third splicing piece 4 close to the first splicing piece 1, and the first protrusion 1121 is inserted into the third groove 42 so that the third splicing piece 4 is clamped on the first splicing piece 1.

[0048] In this embodiment, the shape of the first protrusion 1121 can match the groove shape of the third groove 42, so that the first protrusion 1121 can be more stably inserted into the third groove 42, thereby improving the stability of the splicing of the first assembling piece 1 and the third assembling piece 4.

[0049] like Figure 1 and Figure 3 As shown, in this embodiment, the third assembling piece 4 is provided with a second connecting arm 43 at one end away from the first assembling piece 1, and the second connecting piece 5 passes through the second connecting arm 43 and the second assembling piece 2, so that the third assembling piece 4 and the second assembling piece 2 are spliced ​​with each other.

[0050] In this embodiment, a positioning protrusion is convexly provided along the second direction at one end of the third splicing piece 4 away from the second connecting arm 43, and the positioning protrusion abuts against the second splicing piece 2, so as to facilitate the assembly connection of the second connecting piece 5 with the second connecting arm 43 and the second splicing piece 2 respectively, so as to facilitate the splicing of the second connecting arm 43 on the second splicing piece 2. The second connecting piece 5 can be set as a screw, and the second connecting piece 5 is screwed into the second connecting arm 43 and the second splicing piece 2 to splice the third splicing piece 4 with the second splicing piece 2, so as to improve the stability of the splicing of the third splicing piece 4 with the second splicing piece 2.

[0051] like Figure 1 and Figure 3 As shown, in this embodiment, a third clamping portion 62 is provided on a side of the fourth splicing piece 6 close to the second splicing piece 2, and a third connecting arm 22 is protrudingly provided on a side of the second splicing piece 2 close to the fourth splicing piece 6, and the third connecting arm 22 is clamped to the third clamping portion 62, so that the fourth splicing piece 6 is clamped to the second splicing piece 2.

[0052] In this embodiment, the third clamping portion 62 can be set to two, and the two third clamping portions 62 are arranged on the fourth splicing piece 6 at intervals along the first direction. The third connecting arms 22 can be correspondingly set to two, and the two third connecting arms 22 are arranged on the second splicing piece 2 at intervals along the first direction. The two third clamping portions 62 and the two third connecting arms 22 are correspondingly engaged one-to-one, thereby improving the stability of the splicing of the fourth splicing piece 6 and the second splicing piece 2.

[0053] like Figure 1 and Figure 3 As shown, in this embodiment, the third clamping portion 62 includes a fourth connecting arm 621 and a first clamping hook 6211 arranged at one end of the fourth connecting arm 621, and a second clamping hook 221 is arranged on a side of the third connecting arm 22 close to the third clamping portion 62, and the first clamping hook 6211 is clamped with the second clamping hook 221.

[0054] In this embodiment, the first engaging hook 6211 is engaged with the second engaging hook 221 to limit the fourth assembling piece 6 from moving in a direction away from the second assembling piece 2 , thereby improving the stability of the assembly between the fourth assembling piece 6 and the second assembling piece 2 .

[0055] like Figure 1 and Figure 3 As shown, in this embodiment, a protrusion 6212 is protruded from one end of the fourth connecting arm 621 away from the first locking hook 6211, and a fourth groove 6213 is formed between the protrusion 6212 and the first locking hook 6211, and the second locking hook 221 is locked in the fourth groove 6213, so that the first locking hook 6211 is locked to the second locking hook 221.

[0056] In this embodiment, a protrusion 6212 is provided at one end of the fourth connecting arm 621 away from the first snap-fit ​​hook 6211, and the protrusion 6212 cooperates with the first snap-fit ​​hook 6211 to form a fourth groove 6213, so that the second snap-fit ​​hook 221 is located in the fourth groove 6213, thereby limiting the movement of the fourth splicing piece 6 toward the direction approaching the second splicing piece 2, so that the first snap-fit ​​hook 6211 is stably snap-fitted to the second snap-fit ​​hook 221, thereby further improving the stability of the splicing of the fourth splicing piece 6 with the second splicing piece 2.

[0057] like Figure 4 and Figure 5 As shown, in this embodiment, the combined grille structure also includes a first aluminum plate assembly 8 and a first steel connecting member 81, the first aluminum plate assembly 8 includes a first aluminum plate steel frame 82 and a reserved steel plate 83 connected to each other, the first steel connecting member 81 is connected to the reserved steel plate 83, and the second splicing member 2 is installed on the first steel connecting member 81 by a first bolt.

[0058] In this embodiment, the first aluminum plate assembly 8 also includes an aluminum plate, which is mounted on a first aluminum plate steel frame 82, which is welded to an embedded part in the building wall, and the other side of the first aluminum plate steel frame 82 is connected to a reserved steel plate 83 and a first steel connector 81 by screws. The first steel connector 81 includes a fifth connecting arm 93 and a sixth connecting arm 94, and the first steel connector 81 is inserted into the first accommodating cavity 41 formed by the second splicing piece 2 and the third splicing piece 4 through the fifth connecting arm 93 and the sixth connecting arm 94. The fifth connecting arm 93 and the sixth connecting arm 94 are respectively connected to the outer side walls of the second splicing piece 2 on both sides opposite to each other along the first direction by bolts, so that the grille body formed by the first splicing piece 1, the second splicing piece 2, the third splicing piece 4 and the fourth splicing piece 6 are respectively connected to the first aluminum plate steel frame 82, thereby ensuring that the grille body is installed firmly. The screws and the first steel connecting piece 81 used to connect the grille body to the first aluminum plate steel frame 82 are hidden, avoiding the need to cut the aluminum plate to form a avoidance when assembling with the aluminum plate, reducing the construction process, and improving the overall aesthetics of the grille body.

[0059] like Figure 4 and Figure 6 As shown, in this embodiment, the combined grille structure also includes a second aluminum plate assembly 9 and a second steel connecting member 91, the second aluminum plate assembly 9 includes a steel embedded member 92, the second steel connecting member 91 is connected to the steel embedded member 92, and the second splicing member 2 is installed on the second steel connecting member 91 by a second bolt.

[0060] In this embodiment, the steel embedded part 92 is used to be installed in the building wall, the second steel connecting part 91 is welded to the steel embedded part 92, and the second steel connecting part 91 includes a seventh connecting arm 95 and an eighth connecting arm 96. The second steel connecting part 91 is inserted into the first accommodating cavity 41 of the second splicing part 2 and the third splicing part 4 away from the first steel connecting part 81 through the seventh connecting arm 95 and the eighth connecting arm 96. The seventh connecting arm 95 and the eighth connecting arm 96 are respectively connected to the outer side walls of the second splicing part 2 on both sides opposite to each other along the first direction by bolts, so that the grille body formed by the first splicing part 1, the second splicing part 2, the third splicing part 4 and the fourth splicing part 6 are respectively connected to the steel embedded part 92, so that the screws used to connect the grille body with the second steel connecting part 91 are hidden under the premise of ensuring the stable installation of the grille body, and the second steel connecting part 91 is also hidden between the grille body and the inner wall of the building, thereby further improving the overall aesthetics of the grille body.

[0061] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A combined grid structure, characterized in that: include: The first splicing piece; a second assembling piece, the second assembling piece being spliced ​​with the first assembling piece via a first connecting piece; A third assembling piece, wherein the second assembling piece is provided with the third assembling pieces at two opposite sides along the first direction, the third assembling piece is spliced ​​with the second assembling piece through a second connecting piece, and two third assembling pieces are clamped to the first assembling piece; A first accommodating cavity is formed between the two third assembling pieces and the second assembling piece respectively, so that the first connecting piece is hidden in the first accommodating cavity; and A fourth assembling piece is clamped on the second assembling piece, and a second accommodating cavity is formed between the fourth assembling piece and the second assembling piece, so that the second connecting piece is hidden in the second accommodating cavity.

2. The combined grid structure according to claim 1, characterized in that: The first assembling piece is provided with first clamping parts at two opposite sides along the first direction, and the second assembling piece is provided with second clamping parts at two opposite sides along the first direction. The first clamping part is provided with a first groove, and the second clamping part is clamped in the first groove.

3. The combined grid structure according to claim 2, characterized in that: The combined grille also includes a locking piece, the first connecting piece includes a connecting section and a fixing section that are connected to each other, a second groove is provided on the outer side wall of the first splicing piece close to the second splicing piece, the fixing section is clamped in the second groove, the connecting section passes through the second groove and the second clamping portion, and the locking piece is locked to one end of the connecting section away from the second clamping portion, so that the first splicing piece and the second splicing piece are spliced ​​to each other.

4. The combined grid structure according to claim 2, characterized in that: The first clamping portion includes a first connecting arm, a first protrusion is convexly provided on a side of the first connecting arm away from the first splicing piece, a third groove is provided on an end of the third splicing piece close to the first splicing piece, and the first protrusion is inserted into the third groove so that the third splicing piece is clamped on the first splicing piece.

5. The combined grid structure according to claim 1, characterized in that: A second connecting arm is provided at one end of the third assembling piece away from the first assembling piece, and the second connecting piece passes through the second connecting arm and the second assembling piece, so that the third assembling piece and the second assembling piece are mutually spliced.

6. The combined grid structure according to claim 1, characterized in that: A third clamping portion is provided on a side of the fourth assembling piece close to the second assembling piece, a third connecting arm is protruded on a side of the second assembling piece close to the fourth assembling piece, and the third connecting arm is clamped on the third clamping portion so that the fourth assembling piece is clamped on the second assembling piece.

7. The combined grid structure according to claim 6, characterized in that: The third clamping part includes a fourth connecting arm and a first clamping hook arranged at one end of the fourth connecting arm, and a second clamping hook is arranged on a side of the third connecting arm close to the third clamping part, and the first clamping hook is clamped with the second clamping hook.

8. The combined grid structure according to claim 7, characterized in that: A protrusion is convexly provided at one end of the fourth connecting arm away from the first clamping hook, a fourth groove is formed between the protrusion and the first clamping hook, and the second clamping hook is clamped in the fourth groove so that the first clamping hook is clamped to the second clamping hook.

9. The combined grid structure according to claim 1, characterized in that: The combined grille structure also includes a first aluminum plate assembly and a first steel connecting member, the first aluminum plate assembly includes a first aluminum plate steel frame and a reserved steel plate connected to each other, the first steel connecting member is connected to the reserved steel plate, and the second splicing member is installed on the first steel connecting member by a first bolt.

10. The combined grid structure according to claim 1, characterized in that: The combined grille structure also includes a second aluminum plate assembly and a second steel connecting member, the second aluminum plate assembly includes a steel embedded member for installation in a building wall, the second steel connecting member connects the steel embedded member, and the second splicing member is installed on the second steel connecting member by a second bolt.

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