Corner connecting structure

Abstract

The utility model relates to the technical field of corner connection, in particular to a corner connection structure. The corner connecting structure comprises a first sectional material, a second sectional material and a corner connecting piece, connecting buckles are installed in sectional material through holes, close to the two ends, of the first sectional material and the second sectional material respectively, the corner connecting piece comprises a first connecting section and a second connecting section which are connected with each other, the first sectional material is arranged on the first connecting section in a sleeving mode, and the second sectional material is arranged on the second connecting section in a sleeving mode. Lock catch holes matched with the connecting buckles are formed in the positions, close to the ends, of the first connecting section and the second connecting section. The adjacent section bars are connected through the corner connecting pieces, the connecting buckles are arranged in the section bars, locking is achieved through the connecting buckles and the corner connecting pieces, and effectiveness of connection is guaranteed; the connecting buckle is fixed in the sectional material and does not move, so that the connecting buckle is safer for an operator; the corner connecting piece is an independent piece, and no elastic boss is arranged on the corner connecting piece, so that parts cannot be damaged during transportation.

Description

TECHNICAL FIELD

[0001] The utility model relates to a corner connecting technical field especially a corner connecting structure. BACKGROUND

[0002] The traditional two adjacent profiles located at the corner are mostly connected by a corner connecting piece, the corner connecting piece is provided with perpendicular connecting sections, threaded holes or through holes are arranged on the connecting sections and the profiles, and then the threaded holes or through holes are fixed by screws or bolts, which needs to use tools to install, is inconvenient to operate, takes a long time to install, and is not beautiful.

[0003] At present, the corner connecting pieces on the market are provided with elastic bosses on the connecting end surfaces, the elastic bosses are buckled into the holes in the end portions of the profiles to realize the connection of the adjacent two profiles, and the installation does not need tools. However, there is an elastic body between the elastic boss and the connecting end surface, and the elastic boss is easily damaged when the elastic body is inserted and pulled out, the elastic body is not fixed, and the elastic boss is easily damaged; the elastic boss is arranged on the corner connecting piece, and the elastic boss is damaged during transportation. SUMMARY

[0004] The utility model solves the technical problems that: in order to solve the problems in the prior art in the above background art, provide a corner connecting structure.

[0005] The utility model adopts the technical scheme that: a corner connecting structure, including first profile, second profile and corner connecting piece, first profile and second profile are installed with connecting buckle in profile through hole near both ends respectively, the corner connecting piece includes first connecting section and second connecting section that connect each other, first profile is set on first connecting section, second profile is set on second connecting section, and first connecting section and second connecting section are equipped with lock catch hole that cooperates with connecting buckle near end portion.

[0006] Further, the corner connecting piece further includes an intermediate connecting section, and the intermediate connecting section is connected between the first connecting section and the second connecting section.

[0007] Still further, the first connecting section, the intermediate connecting section and the second connecting section are integrally formed.

[0008] Still further, the intermediate connecting section includes a first connecting block and a second connecting block, the first connecting block is connected with the first connecting section, and the second connecting block is connected with the second connecting section.

[0009] Still further, the included angle between the first connecting block and the second connecting block is 90°, 100° or 180°.

[0010] Further, the connecting buckle comprises a buckle body matched with the inner contour of the profile through hole, one side of the buckle body is provided with a notch, the notch is provided with an elastic sheet, one end of the elastic sheet is connected with the buckle body, and the other end of the elastic sheet is provided with a barb matched with the lock hole.

[0011] Further, the elastic sheet is provided with a protruding block.

[0012] Further, the first profile and the second profile are both provided with a clamping hole matched with the protruding block.

[0013] Further, the buckle body is provided with a first connecting hole.

[0014] Further, the first profile and the second profile are both provided with a second connecting hole, and the first profile and the connecting buckle and the second profile and the connecting buckle are connected through rivets sequentially penetrating through the second connecting hole and the first connecting hole.

[0015] The utility model discloses beneficial effects:

[0016] The utility model discloses adjacent profiles are connected through the corner connecting piece, and the profile is internally provided with the connecting buckle, and locking is realized through the connecting buckle and the corner connecting piece lock, and the effectiveness of connection is guaranteed.

[0017] The connecting buckle of the utility model is fixed in the profile and does not move, and is safer for operators.

[0018] The corner connecting piece of the utility model is a separate piece, and the corner connecting piece is not provided with an elastic boss, and the corner connecting piece will not cause component damage during transportation. DRAWINGS

[0019] The utility model will be further explained in connection with the drawings and examples.

[0020] Figure 1 It is the structural schematic diagram of the utility model embodiment one.

[0021] Figure 2 It is the explosion drawing of the utility model embodiment one.

[0022] Figure 3 It is the structural schematic diagram of the connecting buckle in the utility model embodiment one.

[0023] Figure 4 It is the structural schematic diagram of the corner connecting piece in the utility model embodiment one.

[0024] Figure 5 It is the structural schematic diagram of the utility model embodiment two.

[0025] Figure 6 It is the structural schematic diagram of the utility model embodiment three.

[0026] Fig. 1, first profile; 10, card hole; 20, second connecting hole; 2, second profile; 3, corner connecting piece; 31, first connecting section; 32, second connecting section; 33, intermediate connecting section; 331, first connecting block; 332, second connecting block; 4, connecting buckle; 41, buckle body; 411, first connecting hole; 42, elastic sheet; 421, barb part; 422, protruding block; 43, notch; 30, lock hole. DETAILED DESCRIPTION

[0027] The utility model will be explained in further detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so they only show the structure related to the utility model.

[0028] Example one

[0029] As shown in Figure 1 and Figure 2 , a corner connecting structure includes a first profile 1, a second profile 2 and a corner connecting piece 3, the first profile 1 and the second profile 2 are respectively provided with a connecting buckle 4 in the profile through hole near the two ends, the corner connecting piece 3 includes a first connecting section 31 and a second connecting section 32 connected with each other, the first profile 1 is sleeved on the first connecting section 31, the second profile 2 is sleeved on the second connecting section 32, and the first connecting section 31 and the second connecting section 32 are both provided with a lock hole 30 matched with the connecting buckle 4 near the end.

[0030] As shown in Figure 3 , the connecting buckle 4 includes a buckle body 41 matched with the inner contour of the profile through hole, a notch 43 is formed on one side of the buckle body 41, an elastic sheet 42 is arranged at the notch 43, one end of the elastic sheet 42 is connected with the buckle body 41, and the other end has a barb part 421 matched with the lock hole 30. More specifically, a first connecting hole 411 is formed on the buckle body 41, and a protruding block 422 is arranged on the elastic sheet 42. In this embodiment, the protruding block 422 is preferably a cylindrical structure, mainly considering the convenience of machining the hole matched with the protruding block 422 on the profile.

[0031] As shown in Figure 4 , the corner connecting piece 3 further includes an intermediate connecting section 33 connected between the first connecting section 31 and the second connecting section 32. The first connecting section 31, the intermediate connecting section 33 and the second connecting section 32 are integrally formed. The intermediate connecting section 33 includes a first connecting block 331 and a second connecting block 332, the first connecting block 331 is connected with the first connecting section 31, and the second connecting block 332 is connected with the second connecting section 32. In this embodiment, the included angle between the first connecting block 331 and the second connecting block 332 is 90°, that is, the intermediate connecting section 33 is L-shaped.

[0032] AsFigure 2 As shown, the first profile 1 and the second profile 2 are both provided with a clamping hole 10 matched with the protrusion 422. The first profile 1 and the second profile 2 are both provided with a second connecting hole 20, and the first profile 1 and the connecting buckle 4 and the second profile 2 and the connecting buckle 4 are connected by the rivet which passes through the second connecting hole 20 and the first connecting hole 411 in sequence.

[0033] During the installation, the connecting buckle 4 is pushed into the profile hole from one end of the profile, the protrusion 422 on the connecting buckle 4 is extruded by the inner wall of the profile, the elastic sheet 42 is slightly deformed, until the protrusion 422 reaches the clamping hole 10 and extends out, the elastic sheet 42 is reset, the connecting buckle 4 is connected with the profile by the rivet, and then the connecting buckle 4 at the other end of the profile is installed; after the connecting buckle 4 is installed on both profiles, one end of the profile is inserted into the connecting section of one end of the corner connecting piece 3, at this time, the barb part 421 of the connecting buckle 4 hooks the lock hole 30 of the connecting section, and the profile is locked with the corner connecting piece 3.

[0034] Compared with the prior art, the connecting buckle 4 of the embodiment is fixed in the profile and does not move, which is safer for the operator; and the corner connecting piece 3 is a separate piece, and the corner connecting piece 3 does not have a elastic boss, so that the parts are not damaged during transportation.

[0035] Embodiment Two

[0036] As shown, Figure 5 The difference between the embodiment and the embodiment one is that the angle between the first connecting block 331 and the second connecting block 332 of the middle connecting section 33 of the corner connecting piece 3 is 100°, that is, the middle connecting section 33 is a straight strip structure.

[0037] Embodiment Three

[0038] As shown, Figure 6 The difference between the embodiment and the embodiment one is that the angle between the first connecting block 331 and the second connecting block 332 of the middle connecting section 33 of the corner connecting piece 3 is 180°.

[0039] Of course, according to the actual needs, the angle between the first connecting block 331 and the second connecting block 332 of the middle connecting section 33 of the corner connecting piece 3 can be any angle between 0-180°.

[0040] Based on the above ideal embodiments according to the present application, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of the claims.

Claims

1. A corner connection structure comprising a first profile (1), a second profile (2) and a corner connector (3), characterized in that: The first profile (1) and the second profile (2) are respectively provided with a connecting buckle (4) in a profile through hole near two ends, the corner connecting piece (3) comprises a first connecting section (31) and a second connecting section (32) connected with each other, the first profile (1) is sleeved on the first connecting section (31), the second profile (2) is sleeved on the second connecting section (32), and the first connecting section (31) and the second connecting section (32) are provided with a lock hole (30) matched with the connecting buckle (4) near the end.

2. The corner connection structure according to claim 1, characterized by: The corner connecting piece (3) further comprises an intermediate connecting section (33) connected between the first connecting section (31) and the second connecting section (32).

3. The corner connection structure according to claim 2, characterized by: The first connecting section (31), the intermediate connecting section (33) and the second connecting section (32) are integrally formed.

4. The corner connection structure according to claim 2, characterized by: The intermediate connecting section (33) comprises a first connecting block (331) and a second connecting block (332), the first connecting block (331) is connected with the first connecting section (31), and the second connecting block (332) is connected with the second connecting section (32).

5. The corner connection structure according to claim 4, characterized by: An included angle between the first connecting block (331) and the second connecting block (332) is 90°, 100° or 180°.

6. The corner connection structure according to claim 1, characterized by: The connecting buckle (4) comprises a buckle body (41) matched with an inner contour of the profile through hole, a notch (43) is formed on one side of the buckle body (41), a spring piece (42) is arranged at the notch (43), one end of the spring piece (42) is connected with the buckle body (41), and the other end of the spring piece (42) has a barb part (421) matched with the lock hole (30).

7. The corner connection structure according to claim 6, characterized by: The spring piece (42) is provided with a convex block (422).

8. The corner connection structure according to claim 7, characterized by: The first profile (1) and the second profile (2) are respectively provided with a connecting buckle (4) in a profile through hole near two ends, the corner connecting piece (3) comprises a first connecting section (31) and a second connecting section (32) connected with each other, the first profile (1) is sleeved on the first connecting section (31), the second profile (2) is sleeved on the second connecting section (32), and the first connecting section (31) and the second connecting section (32) are provided with a lock hole (30) matched with the connecting buckle (4) near the end.

9. The corner connection structure according to claim 6, characterized by: The first profile (1) and the second profile (2) are respectively provided with a connecting buckle (4) in a profile through hole near two ends, the corner connecting piece (3) comprises a first connecting section (31) and a second connecting section (32) connected with each other, the first profile (1) is sleeved on the first connecting section (31), the second profile (2) is sleeved on the second connecting section (32), and the first connecting section (31) and the second connecting section (32) are provided with a lock hole (30) matched with the connecting buckle (4) near the end.

10. The corner connection structure according to claim 9, characterized by: The first profile (1) and the second profile (2) are respectively provided with a connecting buckle (4) in a profile through hole near two ends, the corner connecting piece (3) comprises a first connecting section (31) and a second connecting section (32) connected with each other, the first profile (1) is sleeved on the first connecting section (31), the second profile (2) is sleeved on the second connecting section (32), and the first connecting section (31) and the second connecting section (32) are provided with a lock hole (30) matched with the connecting buckle (4) near the end.

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