CN211259267U

CN211259267U - Special connecting piece of square pipe T type structure

Info

Publication number: CN211259267U
Application number: CN201922266303.9U
Authority: CN
Inventors: 蒋正辉; 郭庆贺
Original assignee: Xuzhou Xiaomi Grain Education Technology Co ltd
Current assignee: Xuzhou Xiaomi Grain Education Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-14
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a special connecting piece for a T-shaped structure of a square tube; the method comprises the following steps: the positioning device comprises a first square pipe, a second square pipe, a positioning strip, a connecting code, an inner hexagon bolt, a positioning hole, a connecting hole, a positioning groove and a threaded hole; the first square pipe and the second square pipe are vertical square pipes with the same structure, the middle parts of two opposite surfaces in the first square pipe and the second square pipe are respectively provided with a positioning strip, the whole connecting code is of an L-shaped structure, the upper surface and the lower surface of the connecting code are provided with grooves with longitudinal cross sections consistent with the longitudinal cross section of the positioning strip to form positioning grooves, and the first square pipe is fixedly connected with the second square pipe through the connecting code; the utility model has the advantages that: the appearance has no welding line, is beautiful and practical, can be repeatedly disassembled and assembled, and improves the utilization rate of products.

Description

Special connecting piece of square pipe T type structure

Technical Field

The utility model relates to the material field specifically is a square pipe T type structure special connecting piece.

Background

When the traditional square tube T-shaped connection is carried out, the traditional welding type connection method is not attractive, not environment-friendly and incapable of being recycled; therefore, the prior art needs a special connecting piece for the T-shaped structure of the square tube, which has no welding line on the appearance, is beautiful and practical, can be repeatedly disassembled and assembled, and improves the utilization rate of products.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a square pipe T type structure special connecting piece to solve the problem that mentions in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a special connecting piece for a T-shaped structure of a square tube; the method comprises the following steps: the positioning device comprises a first square pipe, a second square pipe, a positioning strip, a connecting code, an inner hexagon bolt, a positioning hole, a connecting hole, a positioning groove and a threaded hole; first side's pipe, second side's pipe are double-phase isostructure and vertically side's pipe, and first side's pipe, the inside two relative face middle parts of second side's pipe all are equipped with a location strip, the whole structure that is one "L" type of connection sign indicating number is equipped with the fluting that vertical section plane and location strip vertical section plane are unanimous on two upper and lower faces of connection sign indicating number, form the constant head tank, first side's pipe deals with fixed connection through connection sign indicating number and second side's pipe.

As a further aspect of the present invention: one side of the connecting code is provided with at least two connecting holes, and hole sites corresponding to the connecting holes are reserved on the first square pipe.

As a further aspect of the present invention: the other side of the connecting hole is provided with a threaded hole, the inner hexagon bolt is a bolt with a conical cambered surface at the tail part, an inner hexagon counter bore is arranged at the tail part of the inner hexagon bolt, and threads on the inner hexagon bolt and threads of the threaded hole are matched with each other.

As a further aspect of the present invention: the second side is managed and is equipped with a locating hole, and when first side's pipe, second side were managed and is connected perpendicularly, the hole center of locating hole was less than the distance one millimeter that the hole center of screw hole was connected the face with first side's pipe apart from second side's pipe and first side's pipe apart from the distance one millimeter, is called the offset.

As a further aspect of the present invention: the width of connecting the sign indicating number is the same with the interval of parallel surface between the second side intraductal surface, the thickness of connecting the sign indicating number is the same with the interval of parallel surface between the second side intraductal surface.

As a further aspect of the present invention: the diameter of the locating hole is larger than the diameter of the threaded rod of the hexagon socket head cap screw.

When the inner hexagonal bolt is screwed down, because the tail of the inner hexagonal bolt is a conical cambered surface, the conical cambered surface of the inner hexagonal bolt can extrude the positioning hole when the inner hexagonal bolt is screwed down, the center of the positioning hole and the inner hexagonal bolt can be enabled to have concentric trend, and because the offset exists between the positioning hole and the threaded hole, the first square pipe can be enabled to be arranged between the positioning hole and the threaded hole, the first square pipe can be arranged between the positioning hole and the threaded hole, Can extrude between the connection face of second side's pipe and compress tightly, the taut second side's pipe that can be better is connected with first side's pipe, increases joint strength.

Compared with the prior art, the beneficial effects of the utility model are that:

the appearance has no welding line, is beautiful and practical, can be repeatedly disassembled and assembled, and improves the utilization rate of products.

Drawings

Fig. 1 is a schematic diagram of a special connecting piece for a square tube T-shaped structure in a three-dimensional explosion mode.

Fig. 2 is a schematic view of the connection principle of a square tube T-shaped structure dedicated connection piece.

Fig. 3 is a schematic sectional view of a connection structure of a special connector for a T-shaped square tube structure.

In the figure: 1-a first square pipe, 2-a second square pipe, 3-a positioning strip, 4-a connecting code, 5-a hexagon socket screw, 6-a positioning hole, 41-a connecting hole, 42-a positioning groove and 43-a threaded hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a connecting member for a square tube T-shaped structure is provided; the method comprises the following steps: the square pipe comprises a first square pipe 1, a second square pipe 2, a positioning strip 3, a connecting code 4, an inner hexagon bolt 5, a positioning hole 6, a connecting hole 41, a positioning groove 42 and a threaded hole 43; first side's pipe 1, second side's pipe 2 are double-phase isostructure and vertically side's pipe, and first side's pipe 1, the inside two relative face middle parts of second side's pipe 2 all are equipped with a location strip 3, connect 4 whole structures that are one "L" type of sign indicating number, be equipped with on two upper and lower faces of connection sign indicating number 4 and indulge the fluting that the section plane is unanimous with location strip 3, form constant head tank 42, first side's pipe 1 deals with fixed connection through connection sign indicating number 4 and second side's pipe 2.

One side of the connecting code 4 is provided with at least two connecting holes 41, and hole sites corresponding to the connecting holes 41 are reserved on the first square pipe 1.

The other side of the connecting hole 41 is provided with a threaded hole 43, the tail of the hexagon socket head cap screw 5 is a screw with a conical cambered surface, the tail of the hexagon socket head cap screw 5 is provided with a hexagon socket head counter bore, and threads on the hexagon socket head cap screw 5 and threads of the threaded hole 43 are matched with each other.

The second side is equipped with a locating hole 6 on the pipe 2, when first side pipe 1, second side pipe 2 connect perpendicularly, the hole center of locating hole 6 is less than the distance one millimeter that the hole center of screw hole 43 is connected the face with first side pipe 2 and second side pipe 2 apart from the first side pipe 1 apart from the distance one millimeter, is called the offset.

The width of connecting sign indicating number 4 and the interval of parallel between the 2 internal surfaces of second side pipe are the same, the thickness of connecting sign indicating number 4 and the interval of parallel between the 2 internal surfaces of second side pipe are the same.

The diameter of the positioning hole 6 is larger than the diameter of the threaded rod of the hexagon socket head cap screw 5.

When the inner hexagonal bolt 5 is screwed down, because the tail of the inner hexagonal bolt 5 is a tapered arc surface, the tapered arc surface of the inner hexagonal bolt 5 extrudes the positioning hole 6 when the inner hexagonal bolt 5 is screwed down, the center of the positioning hole 6 and the inner hexagonal bolt 5 tend to be concentric with each other, and because there is the offset between locating hole 6 and the screw hole 43 again, so can extrude to compress tightly between the connection face of first square pipe 1, second square pipe 2, the connection of the taut second square pipe 2 that can be better and first square pipe 1 increases joint strength.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A square pipe T type structure dedicated connection spare, includes: the positioning device comprises a first square pipe (1), a second square pipe (2), a positioning strip (3), a connecting code (4), an inner hexagon bolt (5), a positioning hole (6), a connecting hole (41), a positioning groove (42) and a threaded hole (43); the method is characterized in that: first side pipe (1), second side pipe (2) are double-phase isostructure and vertically side pipe, and first side pipe (1), second side pipe (2) inside two relative face middle parts all are equipped with one location strip (3), connect the structure that sign indicating number (4) wholly is a "L" type, are equipped with on two upper and lower faces of connection sign indicating number (4) and indulge the equal fluting of section plane with location strip (3), form constant head tank (42), fixed connection is dealt with through connection sign indicating number (4) and second side pipe (2) in first side pipe (1).

2. The special connecting piece for the T-shaped square tube structure of claim 1, wherein: one side of the connecting code (4) is provided with at least two connecting holes (41), and hole sites corresponding to the connecting holes (41) are reserved on the first square pipe (1).

3. The special connecting piece for the T-shaped square tube structure of claim 1, wherein: the novel socket head cap is characterized in that a threaded hole (43) is formed in the other side of the connecting hole (41), the tail portion of the socket head cap bolt (5) is a bolt with a conical cambered surface, a socket head cap counter bore is formed in the tail portion of the socket head cap bolt (5), and threads on the socket head cap bolt (5) are matched with threads of the threaded hole (43).

4. The special connecting piece for the T-shaped square tube structure of claim 1, wherein: be equipped with a locating hole (6) on second side pipe (2), when first side pipe (1), second side pipe (2) are connected perpendicularly, the hole center of locating hole (6) is less than the hole center of screw hole (43) and is managed (2) and the distance one millimeter that first side pipe (1) was connected apart from the distance that second side pipe (2) was connected apart from the first side pipe (1) and is called the offset.

5. The special connecting piece for the T-shaped square tube structure of claim 1, wherein: the width of connecting sign indicating number (4) and the interval of parallel surface between second side pipe (2) internal surface are the same, the thickness of connecting sign indicating number (4) and the interval of parallel surface between second side pipe (2) internal surface are the same.

6. The special connecting piece for the T-shaped square tube structure of claim 1, wherein: the diameter of the positioning hole (6) is larger than the diameter of the threaded rod of the inner hexagonal bolt (5).