Square tube connecting piece and cabinet thereof

Abstract

The utility model discloses a square tube connecting piece which comprises a connecting piece main body, the connecting piece main body is a cube or a cuboid, and a cavity is arranged in the connecting piece main body. One end of the cavity is open, the other end of the cavity is a closed surface, a first connecting hole communicated with the cavity is formed in the closed surface, and a positioning structure is arranged on the closed surface. When the connecting piece is used, the positioning structures of the connecting piece are correspondingly inserted into the positioning holes in the side faces of the connecting square pipes, bolts penetrate through the first connecting holes to be fixedly connected and locked with the fixing holes of the square pipes, then the other square pipe is connected with the connecting piece body in an inserted mode and locked, and then connection of the two square pipes can be completed. The connecting piece can stably connect two square pipes which are perpendicular to each other, is hidden and not exposed, and is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of connecting piece, concretely relates to a square tube connecting piece. BACKGROUND

[0002] In order to facilitate assembly and transportation, many cabinet frames need to use connecting pieces to connect the support pipes when connecting, and the current connecting pieces have one-way, two-way, three-way and the like, and these connecting pieces need to be used for the cabinet with the frame connected by square tubes, but for two-way or three-way, the connecting piece products on the market are either integrally formed and need to be equipped with multiple types of connecting pieces, or two or three components are assembled into two-way or three-way, then the square tubes are connected, and the connecting piece is exposed outside, which is not beautiful. When connecting multiple layers, the vertical square tubes need to be divided into multiple roots, and then connected through two-way or three-way, and the use is also not convenient. UTILITY MODEL CONTENTS

[0003] The utility model aims at solving the above-mentioned problems and provides a square tube connecting piece and cabinet.

[0004] The utility model realizes the above-mentioned purposes through the following technical schemes:

[0005] A square tube connecting piece, comprising a connecting piece main body, the connecting piece main body is a cube or cuboid, and the inside of the connecting piece main body is a cavity;

[0006] One end of the cavity is open, the other end is a closed surface, and a first connecting hole communicating with the cavity is formed in the closed surface, and a positioning structure is arranged on the closed surface.

[0007] Preferably, door shaft holes are arranged on the opposite two sides of the connecting piece main body.

[0008] Preferably, the door shaft holes are waist-shaped holes.

[0009] Preferably, a plurality of second connecting holes are arranged on the side surface of the connecting piece main body.

[0010] Preferably, the second connecting holes are four, and are arranged on the four side surfaces of the connecting piece main body.

[0011] Preferably, guide inclined surfaces are formed at the edges of the open end of the cavity and the end with the closed surface.

[0012] Preferably, the positioning structure is at least one.

[0013] Preferably, the positioning structure is a positioning pin.

[0014] Preferably, a plurality of friction edges are arranged on the side surface of the connecting piece main body.

[0015] The utility model also provides a cabinet, including above -mentioned square tube connecting piece.

[0016] Beneficial effect lies in: connecting piece can connect vertical and horizontal square tube, correspondingly insert the positioning structure of connecting piece into the positioning hole of square tube side in use, pass through the first connecting hole and the fixed hole of square tube fixed connection and locking through bolt, then another square tube is inserted with connecting piece main part and locks up, can complete the connection of two square tubes. The connecting piece of safe and stable can connect two square tubes which are perpendicular to each other, and the connecting piece is hidden and not exposed, convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0018] Figure 1 It is the front view of the utility model;

[0019] Figure 2 It is the left view of the utility model;

[0020] Figure 3 It is the bottom view of the utility model;

[0021] Figure 4 It is the top view of the utility model;

[0022] Figure 5 It is the three-dimensional view of the utility model Figure 1 ;

[0023] Figure 6 It is the three-dimensional view of the utility model Figure 2 ;

[0024] Figure 7 It is the three-dimensional view of the cabinet of the utility model;

[0025] Figure 8 It is the partial explosion schematic view of the cabinet of the utility model;

[0026] Figure 9 It is the connection schematic view of the square tube connecting structure of the utility model.

[0027] The following explains the reference signs:

[0028] 1, connecting piece body; 2, cavity; 3, second connecting hole; 4, first connecting hole; 5, positioning structure; 6, door shaft hole; 7, closed surface; 8, guide inclined surface; 9, friction ridge; 10, positioning hole; 11, fixing hole; 12, square tube. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.

[0030] Referring to Figures 1-9 The utility model provides a square tube connecting piece, including connecting piece body 1, connecting piece body 1 is for cube or cuboid, and the inside of the connecting piece body 1 is provided with cavity 2, one end of cavity 2 is open, the other end is closed surface 7, and first connecting hole 4 in communication with cavity 2 is formed in closed surface 7, and positioning structure 5 is arranged on closed surface 7. First connecting hole 4 is a threaded hole, the positioning structure 5 is at least one, the positioning structure 5 is a positioning pin, and the positioning structure 5 can be positioned with the positioning hole of the side surface of the connected square tube.

[0031] In the above scheme, referring to Figure 9 The connecting piece can connect vertical and horizontal square tubes, the positioning structure 5 of the connecting piece is inserted into the positioning hole 10 of the side surface of the connected square tube during use, the first connecting hole 4 is fixedly connected and locked with the fixing hole 11 of the square tube by a bolt, then another square tube is inserted and locked with the connecting piece body 1, and the connection of the two square tubes can be completed.

[0032] As the preferred embodiment of the case, the opposite two side surfaces of the connecting piece body are respectively provided with door shaft holes 6, further, the door shaft holes 6 are waist-shaped holes.

[0033] Further, referring to Figure 5 And Figure 6 The side surface of the connecting piece body 1 is provided with a plurality of second connecting holes 3, the second connecting holes 3 are provided with four, are respectively formed on the four side surfaces of the connecting piece body 1, the second connecting holes 3 are threaded holes, the square tube can be fixedly connected and locked with the connecting piece by a bolt passing through the through hole on the square tube and the second connecting hole 3, and the stability of the connection is maintained.

[0034] As preferred, referring to Figures 1-2As shown in the drawings, the edge of the open end of the cavity 2 and the end of the closing surface 7 is respectively formed with a guide slope 8. Through the guide slope 8, the connecting piece is inserted into the opening of the square tube.

[0035] Reference Figure 5 And Figure 6 As shown in the drawings, the side of the connecting piece body 1 is provided with a plurality of friction edges 9, which can increase the strength of the connecting piece and increase the friction between the connecting piece and the inner wall of the square tube, so that the connecting piece and the inner wall of the square tube are more tightly fitted, and the stability of the connection is improved.

[0036] The utility model also provides a cabinet, reference Figures 7-9 As shown in the drawings, it comprises the square tube connecting piece. The cabinet comprises a plurality of square tubes 12 connected by horizontal and vertical directions, and the position of the square tube 12 needing to be connected is reserved with a positioning hole 10 and a fixing hole 11, the fixing hole 11 is connected with the first connecting hole 4 of the connecting piece through a bolt, and the positioning hole 10 is connected and positioned with the positioning structure 5 of the connecting piece.

[0037] The connecting piece of the application can stably connect two mutually perpendicular square tubes 12, and the connecting piece is hidden and not exposed, and is convenient to use.

[0038] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited to the protection scope of the claims.

Claims

1. A square tube connector characterized by: The connecting piece body is a cuboid or a rectangular cuboid, and an inner part of the connecting piece body is provided with a cavity; One end of the cavity is open, and the other end is a closed surface, and the closed surface is provided with a first connecting hole in communication with the cavity, and the closed surface is provided with a positioning structure.

2. The square tube connector of claim 1, wherein: The connecting piece body is provided with a door shaft hole on each of the two opposite sides.

3. The square tube connector of claim 2, wherein: The door shaft hole is a waist-shaped hole.

4. A square tube connector according to any one of claims 1 to 3, wherein: The side of the connecting piece body is provided with a plurality of second connecting holes.

5. The square tube connector of claim 4, wherein: The second connecting holes are four, which are respectively arranged on the four sides of the connecting piece body.

6. The square tube connector of claim 1, wherein: The open end of the cavity and the edge of the end provided with the closed surface are respectively formed with guide inclined surfaces.

7. The square tube connector of claim 1, wherein: The positioning structure is at least one.

8. The square tube connector of claim 7, wherein: The positioning structure is a positioning pin.

9. The square tube connector of claim 1, wherein: The side of the connecting piece body is provided with a plurality of friction edges.

10. A cabinet, characterized by: The square tube connecting piece of any one of claims 1-9 is included.

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